[6] | 1 | // ========== Copyright Header Begin ========================================== |
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| 2 | // |
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| 3 | // OpenSPARC T1 Processor File: tlu_tdp.v |
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| 4 | // Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved. |
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| 5 | // DO NOT ALTER OR REMOVE COPYRIGHT NOTICES. |
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| 6 | // |
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| 7 | // The above named program is free software; you can redistribute it and/or |
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| 8 | // modify it under the terms of the GNU General Public |
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| 9 | // License version 2 as published by the Free Software Foundation. |
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| 10 | // |
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| 11 | // The above named program is distributed in the hope that it will be |
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| 12 | // useful, but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 13 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 14 | // General Public License for more details. |
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| 15 | // |
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| 16 | // You should have received a copy of the GNU General Public |
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| 17 | // License along with this work; if not, write to the Free Software |
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| 18 | // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. |
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| 19 | // |
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| 20 | // ========== Copyright Header End ============================================ |
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| 21 | /////////////////////////////////////////////////////////////////////// |
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| 22 | /* |
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| 23 | // Description: Trap Datapath |
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| 24 | */ |
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| 25 | //////////////////////////////////////////////////////////////////////// |
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| 26 | // Global header file includes |
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| 27 | //////////////////////////////////////////////////////////////////////// |
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| 28 | `include "sys.h" // system level definition file which contains the |
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| 29 | // time scale definition |
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| 30 | |
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| 31 | //////////////////////////////////////////////////////////////////////// |
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| 32 | // Local header file includes / local defines |
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| 33 | //////////////////////////////////////////////////////////////////////// |
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| 34 | `include "tlu.h" |
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| 35 | |
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| 36 | //FPGA_SYN enables all FPGA related modifications |
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| 37 | `ifdef FPGA_SYN |
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| 38 | `define FPGA_SYN_CLK_EN |
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| 39 | `define FPGA_SYN_CLK_DFF |
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| 40 | `endif |
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| 41 | |
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| 42 | module tlu_tdp (/*AUTOARG*/ |
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| 43 | // Outputs |
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| 44 | tlu_pib_rsr_data_e, tlu_restore_pc_w1, tlu_restore_npc_w1, tlu_partial_trap_pc_w1, |
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| 45 | tsa_wdata, tlu_int_pstate_ie, local_pstate_ie, tlu_ifu_pstate_pef, |
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| 46 | tlu_lsu_pstate_cle, tlu_lsu_pstate_priv, tlu_int_redmode, tlu_lsu_redmode, |
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| 47 | tlu_sscan_test_data, |
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| 48 | // modified for bug 1767 |
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| 49 | tlu_pstate_am, tlu_sftint_id, |
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| 50 | // added for timing |
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| 51 | // modfied for hypervisor support |
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| 52 | tlu_dnrtry_global_g, tlu_tick_incr_din, tlu_exu_rsr_data_m, |
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| 53 | tlu_hpstate_priv, local_hpstate_priv, local_hpstate_enb, local_pstate_priv, |
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| 54 | tlu_hpstate_enb, tlu_hintp, tlu_por_rstint_g, tcl_hpstate_priv, tcl_hpstate_enb, |
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| 55 | tlu_trap_hpstate_enb, tlu_hpstate_tlz, tlu_asi_state_e, tlu_hpstate_ibe, |
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| 56 | so, |
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| 57 | // Inputs |
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| 58 | tsa_rdata, tlu_wsr_data_w, lsu_tlu_rsr_data_e, tlu_ibrkpt_trap_w2, |
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| 59 | // reset was modified to abide to the Niagara reset methodology |
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| 60 | rclk, tlu_rst, tlu_thrd_wsel_w2, ifu_lsu_imm_asi_d, // tm_l, |
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| 61 | tlu_final_ttype_w2, tlu_pstate_din_sel0, tlu_pstate_din_sel1, |
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| 62 | tlu_pstate_din_sel2, tlu_pstate_din_sel3, ifu_lsu_imm_asi_vld_d, |
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| 63 | lsu_asi_reg0, lsu_asi_reg1, lsu_asi_reg2, lsu_asi_reg3, |
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| 64 | exu_tlu_ccr0_w, exu_tlu_ccr1_w, exu_tlu_ccr2_w, exu_tlu_ccr3_w, |
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| 65 | exu_tlu_cwp0, exu_tlu_cwp1, exu_tlu_cwp2, exu_tlu_cwp3, tlu_trap_cwp_en, |
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| 66 | tlu_pc_new_w, tlu_npc_new_w, tlu_sftint_en_l_g, tlu_sftint_mx_sel, |
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| 67 | tlu_set_sftint_l_g, tlu_wr_tsa_inst_w2, tlu_clr_sftint_l_g, |
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| 68 | tlu_wr_sftint_l_g, tlu_sftint_penc_sel, tlu_tba_en_l, tlu_tick_en_l, |
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| 69 | tlu_tickcmp_sel, tlu_tickcmp_en_l, // tlu_retry_inst_m, tlu_done_inst_m, |
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| 70 | tlu_update_pc_l_w, tlu_tl_gt_0_w2, pib_pich_wrap, // tlu_dnrtry_inst_m_l, |
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| 71 | tlu_select_tba_w2, tlu_select_redmode, tlu_update_pstate_l_w2, tlu_pil, |
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| 72 | tlu_trp_lvl, tlu_tick_npt, tlu_thrd_rsel_e, tlu_tick_incr_dout, |
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| 73 | tlu_rdpr_mx1_sel, tlu_rdpr_mx2_sel, tlu_rdpr_mx3_sel, tlu_rdpr_mx4_sel, |
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| 74 | tlu_hpstate_din_sel0, tlu_hpstate_din_sel1, tlu_pc_mxsel_w2, |
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| 75 | tlu_hpstate_din_sel2, tlu_hpstate_din_sel3, tlu_update_hpstate_l_w2, |
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| 76 | tlu_htba_en_l, tlu_rdpr_mx5_sel, tlu_rdpr_mx6_sel, pib_picl_wrap, |
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| 77 | tlu_rdpr_mx7_sel, tlu_htickcmp_intdis, tlu_stickcmp_en_l, tlu_htickcmp_en_l, |
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| 78 | tlu_gl_lvl0, tlu_gl_lvl1, tlu_gl_lvl2, tlu_gl_lvl3, tlu_wr_hintp_g, |
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| 79 | tlu_set_hintp_sel_g, ctu_sscan_tid, si, se |
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| 80 | ); |
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| 81 | |
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| 82 | /*AUTOINPUT*/ |
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| 83 | // Beginning of automatic inputs (from unused autoinst inputs) |
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| 84 | // End of automatics |
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| 85 | input [`TLU_TDP_TSA_WIDTH-1:0] tsa_rdata; // rd data for tsa. |
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| 86 | input [`TLU_THRD_NUM-1:0] tlu_por_rstint_g; |
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| 87 | // |
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| 88 | // modified for timing |
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| 89 | input [`TLU_ASR_DATA_WIDTH-1:0] tlu_wsr_data_w; // pr/st data from irf. |
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| 90 | |
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| 91 | input [7:0] lsu_tlu_rsr_data_e; // lsu sr/pr read data |
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| 92 | |
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| 93 | input rclk; // clock |
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| 94 | // |
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| 95 | // reset was removed to abide to the Niagara reset methodology |
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| 96 | input tlu_rst; // unit-reset |
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| 97 | input [`TLU_THRD_NUM-1:0] tlu_thrd_wsel_w2;// thread requiring tsa write. |
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| 98 | input [`TSA_TTYPE_WIDTH-1:0] tlu_final_ttype_w2; // selected ttype - g |
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| 99 | input tlu_ibrkpt_trap_w2; // instruction brkpt trap |
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| 100 | input tlu_trap_hpstate_enb; // mode indicator for the trapped thrd |
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| 101 | input tlu_wr_tsa_inst_w2; // write state inst |
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| 102 | input [1:0] tlu_pstate_din_sel0; // sel source of tsa wdata |
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| 103 | input [1:0] tlu_pstate_din_sel1; // sel source of tsa wdata |
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| 104 | input [1:0] tlu_pstate_din_sel2; // sel source of tsa wdata |
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| 105 | input [1:0] tlu_pstate_din_sel3; // sel source of tsa wdata |
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| 106 | input [`TLU_ASI_STATE_WIDTH-1:0] lsu_asi_reg0; // asi state - thread0 |
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| 107 | input [`TLU_ASI_STATE_WIDTH-1:0] lsu_asi_reg1; // asi state - thread1 |
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| 108 | input [`TLU_ASI_STATE_WIDTH-1:0] lsu_asi_reg2; // asi state - thread2 |
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| 109 | input [`TLU_ASI_STATE_WIDTH-1:0] lsu_asi_reg3; // asi state - thread3 |
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| 110 | input [`TLU_ASI_STATE_WIDTH-1:0] ifu_lsu_imm_asi_d; // asi state value from imm |
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| 111 | input ifu_lsu_imm_asi_vld_d; // valid asi state value from imm |
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| 112 | |
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| 113 | input [3:0] tlu_tickcmp_sel; // select src for tickcmp |
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| 114 | input [3:0] tlu_tickcmp_en_l; // tick cmp reg write enable |
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| 115 | input tlu_tick_en_l; // tick reg write enable |
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| 116 | |
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| 117 | // overflow for the pic registers - lvl15 int |
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| 118 | // input [`TLU_THRD_NUM-1:0] pib_pic_wrap; |
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| 119 | input [`TLU_THRD_NUM-1:0] pib_pich_wrap; |
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| 120 | input [`TLU_THRD_NUM-1:0] pib_picl_wrap; |
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| 121 | |
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| 122 | input [7:0] exu_tlu_ccr0_w; // ccr - thread0 |
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| 123 | input [7:0] exu_tlu_ccr1_w; // ccr - thread1 |
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| 124 | input [7:0] exu_tlu_ccr2_w; // ccr - thread2 |
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| 125 | input [7:0] exu_tlu_ccr3_w; // ccr - thread3 |
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| 126 | // input [2:0] exu_tlu_cwp0_w; // cwp - thread0 |
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| 127 | // input [2:0] exu_tlu_cwp1_w; // cwp - thread1 |
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| 128 | // input [2:0] exu_tlu_cwp2_w; // cwp - thread2 |
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| 129 | // input [2:0] exu_tlu_cwp3_w; // cwp - thread3 |
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| 130 | input [2:0] exu_tlu_cwp0; // cwp - thread0 |
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| 131 | input [2:0] exu_tlu_cwp1; // cwp - thread1 |
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| 132 | input [2:0] exu_tlu_cwp2; // cwp - thread2 |
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| 133 | input [2:0] exu_tlu_cwp3; // cwp - thread3 |
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| 134 | // added for bug3499 |
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| 135 | input [`TLU_THRD_NUM-1:0] tlu_trap_cwp_en; |
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| 136 | // modified due to bug 3017 |
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| 137 | // input [47:0] ifu_tlu_pc_m; // pc |
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| 138 | // input [47:0] ifu_tlu_npc_m; // npc |
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| 139 | // modified due to redistribution of logic |
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| 140 | // input [48:0] ifu_tlu_pc_m; // pc |
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| 141 | // input [48:0] ifu_tlu_npc_m; // npc |
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| 142 | input [48:0] tlu_pc_new_w; // pc |
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| 143 | input [48:0] tlu_npc_new_w; // npc |
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| 144 | |
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| 145 | input [3:0] tlu_sftint_en_l_g; // wr enable for sftint regs. |
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| 146 | input [3:0] tlu_sftint_mx_sel; // mux select for sftint regs |
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| 147 | input tlu_set_sftint_l_g; // set sftint |
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| 148 | input tlu_clr_sftint_l_g; // clr sftint |
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| 149 | input tlu_wr_sftint_l_g; // wr to sftin (asr 16) |
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| 150 | // |
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| 151 | // removed due to sftint recode |
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| 152 | // input [3:0] tlu_sftint_lvl14_int; // sftint lvl 14 plus tick int |
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| 153 | input [3:0] tlu_sftint_penc_sel; |
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| 154 | input [3:0] tlu_tba_en_l; // tba reg write enable |
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| 155 | // logic moved to tlu_misctl |
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| 156 | // input tlu_retry_inst_m; // valid retry inst |
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| 157 | // input tlu_done_inst_m; // valid done inst |
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| 158 | // input tlu_dnrtry_inst_m; // valid done/retry inst - g |
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| 159 | // input tlu_dnrtry_inst_m_l; // valid done/retry inst - g |
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| 160 | // input [3:0] tlu_update_pc_l_m; // update pc or npc for a thread |
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| 161 | input [3:0] tlu_update_pc_l_w; // update pc or npc for a thread |
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| 162 | // modified due to timing |
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| 163 | // input tlu_self_boot_rst_g; |
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| 164 | // input tlu_tl_gt_0_g; // trp lvl gt then 0 |
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| 165 | // input tlu_select_tba_g; |
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| 166 | // input tlu_select_htba_g; // choosing htba for forming trappc/trapnpc |
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| 167 | // input tlu_self_boot_rst_w2; |
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| 168 | // added for one-hot mux problem |
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| 169 | input [2:0] tlu_pc_mxsel_w2; |
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| 170 | input tlu_tl_gt_0_w2; // trp lvl gt then 0 |
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| 171 | input tlu_select_tba_w2; |
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| 172 | input [`TLU_THRD_NUM-1:0] tlu_update_pstate_l_w2; // pstate write enable |
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| 173 | input [`TLU_THRD_NUM-1:0] tlu_thrd_rsel_e; // read select for threaded regs |
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| 174 | input [3:0] tlu_pil; // mx'ed pil |
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| 175 | input [2:0] tlu_trp_lvl; // mx'ed trp lvl |
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| 176 | |
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| 177 | input tlu_select_redmode; |
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| 178 | input tlu_tick_npt; // npt bit of tick |
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| 179 | |
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| 180 | input [`TLU_ASR_DATA_WIDTH-4:0] tlu_tick_incr_dout; |
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| 181 | // |
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| 182 | // added and/or modified for hypervisor support |
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| 183 | input [1:0] tlu_hpstate_din_sel0; // sel source of tsa wdata |
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| 184 | input [1:0] tlu_hpstate_din_sel1; // sel source of tsa wdata |
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| 185 | input [1:0] tlu_hpstate_din_sel2; // sel source of tsa wdata |
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| 186 | input [1:0] tlu_hpstate_din_sel3; // sel source of tsa wdata |
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| 187 | input [`TLU_THRD_NUM-1:0] tlu_stickcmp_en_l; // stick cmp reg write enable |
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| 188 | input [`TLU_THRD_NUM-1:0] tlu_htickcmp_en_l; // htick cmp reg write enable |
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| 189 | input [`TLU_THRD_NUM-1:0] tlu_wr_hintp_g; // wr control for hintp regs. |
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| 190 | input [`TLU_THRD_NUM-1:0] tlu_set_hintp_sel_g; // set control for hintp regs. |
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| 191 | input [`TLU_THRD_NUM-1:0] tlu_htba_en_l; // htba reg write enable |
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| 192 | input [`TLU_THRD_NUM-1:0] tlu_update_hpstate_l_w2; // hpstate write enable |
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| 193 | input tlu_htickcmp_intdis; // int. disable bit of htick-cmp |
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| 194 | input [`TSA_GLOBAL_WIDTH-1:0] tlu_gl_lvl0; // global register value t0 |
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| 195 | input [`TSA_GLOBAL_WIDTH-1:0] tlu_gl_lvl1; // global register value t1 |
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| 196 | input [`TSA_GLOBAL_WIDTH-1:0] tlu_gl_lvl2; // global register value t2 |
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| 197 | input [`TSA_GLOBAL_WIDTH-1:0] tlu_gl_lvl3; // global register value t3 |
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| 198 | // mux select to read the new ASR registers |
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| 199 | input [3:1] tlu_rdpr_mx1_sel; |
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| 200 | input [3:1] tlu_rdpr_mx2_sel; |
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| 201 | input [2:1] tlu_rdpr_mx3_sel; |
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| 202 | input [2:1] tlu_rdpr_mx4_sel; |
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| 203 | input [3:1] tlu_rdpr_mx5_sel; |
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| 204 | input [2:0] tlu_rdpr_mx6_sel; |
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| 205 | input [3:0] tlu_rdpr_mx7_sel; |
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| 206 | // |
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| 207 | input [`TLU_THRD_NUM-1:0] ctu_sscan_tid; |
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| 208 | input [`TLU_ASR_DATA_WIDTH-1:0] tlu_pib_rsr_data_e; // rsr data from pib |
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| 209 | |
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| 210 | input si; // scan-in |
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| 211 | input se; // scan-en |
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| 212 | |
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| 213 | /*AUTOOUTPUT*/ |
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| 214 | // Beginning of automatic outputs (from unused autoinst outputs) |
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| 215 | // End of automatics |
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| 216 | // |
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| 217 | // modified due to bug 3017 |
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| 218 | output [48:0] tlu_restore_pc_w1; // trap pc or pc on retry. |
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| 219 | output [48:0] tlu_restore_npc_w1; // trap pc or pc on retry. |
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| 220 | output [33:0] tlu_partial_trap_pc_w1; |
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| 221 | // the tlu_exu_rsr_data_e will become obsolete, to be removed |
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| 222 | // added for timing |
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| 223 | // output [`TLU_ASR_DATA_WIDTH-1:0] tlu_exu_rsr_data_e; // rsr data to exu |
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| 224 | output [`TLU_ASR_DATA_WIDTH-1:0] tlu_exu_rsr_data_m; // rsr data to exu |
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| 225 | // modified due to timing violations |
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| 226 | // output [`TLU_ASR_DATA_WIDTH-1:0] tlu_pib_rsr_data_e; // trap pc or pc on retry. |
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| 227 | // |
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| 228 | // modified for hypervisor support |
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| 229 | output [`TLU_TSA_WIDTH-1:0] tsa_wdata; // wr data for tsa. |
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| 230 | // |
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| 231 | output [`TLU_THRD_NUM-1:0] tlu_int_pstate_ie; // interrupt enable |
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| 232 | output [`TLU_THRD_NUM-1:0] local_pstate_ie; // interrupt enable |
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| 233 | output [`TLU_THRD_NUM-1:0] tlu_ifu_pstate_pef; // fp enable |
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| 234 | output [`TLU_THRD_NUM-1:0] tlu_lsu_pstate_cle; // current little endian |
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| 235 | output [`TLU_THRD_NUM-1:0] tlu_lsu_pstate_priv; // privilege mode |
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| 236 | output [`TLU_THRD_NUM-1:0] tlu_int_redmode; // redmode |
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| 237 | output [`TLU_THRD_NUM-1:0] tlu_lsu_redmode; // redmode |
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| 238 | // modified for bug 1767 |
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| 239 | // output [1:0] tlu_pstate0_mmodel; // mem. model - thread0 |
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| 240 | // output [1:0] tlu_pstate1_mmodel; // mem. model - thread1 |
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| 241 | // output [1:0] tlu_pstate2_mmodel; // mem. model - thread2 |
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| 242 | // output [1:0] tlu_pstate3_mmodel; // mem. model - thread3 |
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| 243 | // output [3:0] tlu_pstate_tle; // trap little endian |
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| 244 | // output [`TLU_THRD_NUM-1:0] tlu_pstate_cle; // current little endian |
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| 245 | // output [`TLU_THRD_NUM-1:0] tlu_pstate_priv; // privilege mode |
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| 246 | output [`TLU_THRD_NUM-1:0] tlu_pstate_am; // address mask |
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| 247 | // |
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| 248 | // removed for bug 2187 |
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| 249 | // output [`TLU_THRD_NUM-1:0] tlu_sftint_lvl14; |
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| 250 | output [`TLU_THRD_NUM-1:0] tlu_hpstate_priv; // hypervisor privilege |
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| 251 | output [`TLU_THRD_NUM-1:0] tlu_hpstate_enb; // hypervisor lite enb |
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| 252 | output [`TLU_THRD_NUM-1:0] tlu_hpstate_tlz; // hypervisor tlz |
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| 253 | output [`TLU_THRD_NUM-1:0] tlu_hpstate_ibe; // hypervisor instruction brkpt |
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| 254 | output [`TLU_THRD_NUM-1:0] local_hpstate_priv; // hypervisor privilege |
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| 255 | output [`TLU_THRD_NUM-1:0] tcl_hpstate_priv; // hypervisor privilege |
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| 256 | output [`TLU_THRD_NUM-1:0] local_pstate_priv; // pstate privilege |
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| 257 | output [`TLU_THRD_NUM-1:0] local_hpstate_enb; // hypervisor lite enb |
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| 258 | output [`TLU_THRD_NUM-1:0] tcl_hpstate_enb; // hypervisor lite enb |
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| 259 | output [3:0] tlu_sftint_id; |
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| 260 | // output tlu_tick_match; // tick to tick cmp match |
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| 261 | // output tlu_stick_match; // stick to tick cmp match |
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| 262 | // output tlu_htick_match; // htick to tick cmp match |
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| 263 | // output [`TLU_ASR_DATA_WIDTH-1:0] tlu_tick_incr_din; |
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| 264 | output [`TLU_ASR_DATA_WIDTH-3:0] tlu_tick_incr_din; |
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| 265 | // |
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| 266 | // modified for hypervisor support |
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| 267 | // output [2:0] tlu_restore_globals; // restored global regs |
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| 268 | // |
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| 269 | output [`TSA_GLOBAL_WIDTH-1:0] tlu_dnrtry_global_g; // restored globals |
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| 270 | output [`TLU_THRD_NUM-1:0] tlu_hintp; |
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| 271 | // |
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| 272 | // current asi state |
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| 273 | output [`TLU_ASI_STATE_WIDTH-1:0] tlu_asi_state_e; |
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| 274 | // |
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| 275 | // modified due to race key word limitation |
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| 276 | // output [62:0] tlu_sscan_test_data; |
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| 277 | output [`TDP_SSCAN_WIDTH-1:0] tlu_sscan_test_data; |
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| 278 | output so; // scan-out; |
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| 279 | |
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| 280 | /*AUTOWIRE*/ |
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| 281 | // Beginning of automatic wires (for undeclared instantiated-module outputs) |
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| 282 | // End of automatics |
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| 283 | // |
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| 284 | // local reset was added to abide to the Niagara reset methodology |
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| 285 | wire local_rst; // local reset |
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| 286 | wire se_l; // testmode_l replacement |
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| 287 | // |
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| 288 | // rdpr muxe outputs |
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| 289 | wire [`TLU_ASR_DATA_WIDTH-1:0] tlu_rdpr_mx1_out; |
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| 290 | wire [3:0] tlu_rdpr_mx2_out; |
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| 291 | wire [`SFTINT_WIDTH-1:0] tlu_rdpr_mx3_out; |
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| 292 | wire [`RDSR_TSTATE_WIDTH-1:0] tlu_rdpr_mx4_out; |
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| 293 | // |
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| 294 | // constructing one-hot selects |
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| 295 | wire rdpr_mx1_onehot_sel, rdpr_mx2_onehot_sel; |
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| 296 | wire rdpr_mx3_onehot_sel, rdpr_mx4_onehot_sel; |
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| 297 | wire rdpr_mx5_onehot_sel, rdpr_mx6_onehot_sel; |
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| 298 | // |
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| 299 | wire [32:0] true_tba0,true_tba1,true_tba2,true_tba3; |
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| 300 | wire [60:0] true_tick; |
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| 301 | // modified due to bug 3017 |
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| 302 | wire [48:0] true_pc0,true_pc1,true_pc2,true_pc3; |
---|
| 303 | // wire [47:0] sscan_pc; |
---|
| 304 | wire [`TDP_SSCAN_WIDTH-1:0] sscan_data_test0; |
---|
| 305 | wire [`TDP_SSCAN_WIDTH-1:0] sscan_data_test1; |
---|
| 306 | wire [`TDP_SSCAN_WIDTH-1:0] sscan_data_test2; |
---|
| 307 | wire [`TDP_SSCAN_WIDTH-1:0] sscan_data_test3; |
---|
| 308 | wire [`TDP_SSCAN_WIDTH-1:0] tdp_sscan_test_data; |
---|
| 309 | wire [`TLU_THRD_NUM-1:0] sscan_tid_sel; |
---|
| 310 | wire [48:0] true_npc0,true_npc1,true_npc2,true_npc3; |
---|
| 311 | // wire [47:0] true_npc0,true_npc1,true_npc2,true_npc3; |
---|
| 312 | // wire [47:0] true_pc0,true_pc1,true_pc2,true_pc3; |
---|
| 313 | // wire [47:0] sscan_pc; |
---|
| 314 | // wire [47:0] normal_trap_pc, normal_trap_npc; |
---|
| 315 | // |
---|
| 316 | // modified for hypervisor support |
---|
| 317 | wire [`TLU_TSA_WIDTH-1:0] trap_tsa_wdata; |
---|
| 318 | wire [`TLU_TSA_WIDTH-1:0] trap0_tsa_wdata,trap1_tsa_wdata; |
---|
| 319 | wire [`TLU_TSA_WIDTH-1:0] trap2_tsa_wdata,trap3_tsa_wdata; |
---|
| 320 | wire [`TLU_TSA_WIDTH-1:0] wrpr_tsa_wdata; |
---|
| 321 | wire [`TLU_TSA_WIDTH-1:0] tsa_wdata; |
---|
| 322 | wire [`RDSR_TSTATE_WIDTH-1:0] tstate_rdata; |
---|
| 323 | wire [1:0] tstate_dummy_zero; |
---|
| 324 | wire [`WSR_TSTATE_WIDTH-1:0] compose_tstate; |
---|
| 325 | wire [`TSA_HTSTATE_WIDTH-1:0] compose_htstate; |
---|
| 326 | wire [`TSA_GLOBAL_WIDTH-1:0] global_rdata; |
---|
| 327 | // wire [`TLU_ASR_DATA_WIDTH-1:0] wsr_data_w; |
---|
| 328 | wire [`SFTINT_WIDTH-1:0] wsr_data_w; |
---|
| 329 | // reduced width to 48 due to lint violations |
---|
| 330 | wire [47:0] wsr_data_w2; |
---|
| 331 | // |
---|
| 332 | // modified for bug 3017 |
---|
| 333 | // wire [47:2] trap_pc0,trap_pc1,trap_pc2,trap_pc3; |
---|
| 334 | // wire [47:2] trap_npc0,trap_npc1,trap_npc2,trap_npc3; |
---|
| 335 | wire [48:2] trap_pc0,trap_pc1,trap_pc2,trap_pc3; |
---|
| 336 | wire [48:2] trap_npc0,trap_npc1,trap_npc2,trap_npc3; |
---|
| 337 | wire [7:0] trap_ccr0,trap_ccr1,trap_ccr2,trap_ccr3; |
---|
| 338 | wire [7:0] trap_asi0,trap_asi1,trap_asi2,trap_asi3; |
---|
| 339 | wire [2:0] trap_cwp0,trap_cwp1,trap_cwp2,trap_cwp3; |
---|
| 340 | wire [2:0] tlu_cwp0,tlu_cwp1,tlu_cwp2,tlu_cwp3; |
---|
| 341 | wire [`TLU_ASI_STATE_WIDTH-1:0] imm_asi_e; |
---|
| 342 | wire [`TLU_ASI_STATE_WIDTH-1:0] asi_state_reg_e; |
---|
| 343 | wire [`TLU_ASI_STATE_WIDTH-1:0] asi_state_final_e; |
---|
| 344 | wire imm_asi_vld_e; |
---|
| 345 | // |
---|
| 346 | // modified due to tickcmp, stickcmp and sftint cleanup |
---|
| 347 | // wire [15:0] sftint0, sftint1, sftint2, sftint3; |
---|
| 348 | // wire [15:1] sftint_set_din, sftint_clr_din, sftint_wr_din; |
---|
| 349 | wire [`SFTINT_WIDTH-1:0] sftint0, sftint1, sftint2, sftint3; |
---|
| 350 | wire [`SFTINT_WIDTH-1:0] sftint_set_din, sftint_clr_din, sftint_wr_din; |
---|
| 351 | wire [`SFTINT_WIDTH-1:0] sftint_din; |
---|
| 352 | wire [`SFTINT_WIDTH-1:0] sftint; |
---|
| 353 | wire [`TLU_THRD_NUM-1:0] sftint_b0_din; |
---|
| 354 | wire [`TLU_THRD_NUM-1:0] sftint_b0_en; |
---|
| 355 | wire [`TLU_THRD_NUM-1:0] sftint_b15_din; |
---|
| 356 | wire [`TLU_THRD_NUM-1:0] sftint_b15_en; |
---|
| 357 | wire [`TLU_THRD_NUM-1:0] sftint_b16_din; |
---|
| 358 | wire [`TLU_THRD_NUM-1:0] sftint_b16_en; |
---|
| 359 | wire [`TLU_THRD_NUM-1:0] sftint_lvl14; |
---|
| 360 | wire [3:0] sftin_din_mxsel; |
---|
| 361 | // recoded for one-hot problem during reset |
---|
| 362 | // wire sftint_sel_onehot_g; |
---|
| 363 | // |
---|
| 364 | // added for PIB support |
---|
| 365 | wire tcmp0_clk, tcmp1_clk; |
---|
| 366 | wire tcmp2_clk, tcmp3_clk; |
---|
| 367 | wire [14:0] sftint_penc_din; |
---|
| 368 | wire sftint0_clk,sftint1_clk; |
---|
| 369 | wire sftint2_clk,sftint3_clk; |
---|
| 370 | // |
---|
| 371 | wire [32:0] tba_data; |
---|
| 372 | wire [32:0] tba_rdata; |
---|
| 373 | wire [33:0] tlu_rstvaddr_base; |
---|
| 374 | wire [`TLU_HTBA_WIDTH-1:0] htba_data; |
---|
| 375 | wire tba0_clk,tba1_clk,tba2_clk,tba3_clk; |
---|
| 376 | // modified for bug 3017 |
---|
| 377 | // wire [46:0] tsa_pc_m,tsa_npc_m; |
---|
| 378 | // wire [48:0] dnrtry_pc,dnrtry_npc; |
---|
| 379 | wire [48:0] restore_pc_w2; |
---|
| 380 | wire [48:0] restore_npc_w2; |
---|
| 381 | // wire [48:0] pc_new, npc_new; |
---|
| 382 | // wire [48:0] pc_new_w, npc_new_w; |
---|
| 383 | wire [33:0] partial_trap_pc_w2; |
---|
| 384 | wire pc0_clk,pc1_clk,pc2_clk,pc3_clk; |
---|
| 385 | // wire [`TLU_TSA_WIDTH-1:0] tsa_data_m; |
---|
| 386 | wire [`TLU_ASR_DATA_WIDTH-1:0] true_tickcmp0, true_tickcmp1; |
---|
| 387 | wire [`TLU_ASR_DATA_WIDTH-1:0] true_tickcmp2, true_tickcmp3; |
---|
| 388 | wire [`TLU_ASR_DATA_WIDTH-1:0] tickcmp_rdata; |
---|
| 389 | wire [`TLU_THRD_NUM-1:0] tickcmp_intdis_din; |
---|
| 390 | wire [`TLU_THRD_NUM-1:0] tickcmp_intdis_en; |
---|
| 391 | wire [`TLU_THRD_NUM-1:0] tickcmp_int; |
---|
| 392 | wire [`TLU_THRD_NUM-1:0] tlu_set_hintp_g; |
---|
| 393 | wire [`TLU_THRD_NUM-1:0] tlu_hintp_en_l_g; |
---|
| 394 | wire tlu_htick_match; // htick to tick cmp match |
---|
| 395 | wire tick_match; |
---|
| 396 | wire [`TLU_ASR_DATA_WIDTH-4:0] tickcmp_data; |
---|
| 397 | wire [`TLU_ASR_DATA_WIDTH-2:2] tick_din; |
---|
| 398 | // reg [`TLU_ASR_DATA_WIDTH-1:0] tlu_rsr_data_e; |
---|
| 399 | wire [`PSTATE_TRUE_WIDTH-1:0] true_pstate0,true_pstate1; |
---|
| 400 | wire [`PSTATE_TRUE_WIDTH-1:0] true_pstate2,true_pstate3; |
---|
| 401 | // wire [`TLU_THRD_NUM-1:0] tlu_pstate_priv; // privilege mode |
---|
| 402 | // added for hypervisor support |
---|
| 403 | wire [`TSA_PSTATE_WIDTH-1:0] trap_pstate0,trap_pstate1; |
---|
| 404 | wire [`TSA_PSTATE_WIDTH-1:0] trap_pstate2,trap_pstate3; |
---|
| 405 | // |
---|
| 406 | // wire [`PSTATE_TRUE_WIDTH-1:0] dnrtry_pstate; |
---|
| 407 | // wire [`PSTATE_TRUE_WIDTH-1:0] dnrtry_pstate_m; |
---|
| 408 | // wire [`PSTATE_TRUE_WIDTH-1:0] wsr_data_pstate_g; |
---|
| 409 | wire [`WSR_PSTATE_VR_WIDTH-1:0] dnrtry_pstate_m; |
---|
| 410 | wire [`WSR_PSTATE_VR_WIDTH-1:0] dnrtry_pstate_g; |
---|
| 411 | wire [`WSR_PSTATE_VR_WIDTH-1:0] dnrtry_pstate_w2; |
---|
| 412 | // removed for timing |
---|
| 413 | // wire [`WSR_PSTATE_VR_WIDTH-1:0] wsr_data_pstate_g; |
---|
| 414 | wire [`WSR_PSTATE_VR_WIDTH-1:0] wsr_data_pstate_w2; |
---|
| 415 | // |
---|
| 416 | // modified for bug 1767 |
---|
| 417 | //wire [`PSTATE_TRUE_WIDTH-1:0] ntrap_pstate; |
---|
| 418 | // wire [`PSTATE_TRUE_WIDTH-1:0] ntrap_pstate0; |
---|
| 419 | // wire [`PSTATE_TRUE_WIDTH-1:0] ntrap_pstate1; |
---|
| 420 | // wire [`PSTATE_TRUE_WIDTH-1:0] ntrap_pstate2; |
---|
| 421 | // wire [`PSTATE_TRUE_WIDTH-1:0] ntrap_pstate3; |
---|
| 422 | wire [`WSR_PSTATE_VR_WIDTH-1:0] ntrap_pstate0; |
---|
| 423 | wire [`WSR_PSTATE_VR_WIDTH-1:0] ntrap_pstate1; |
---|
| 424 | wire [`WSR_PSTATE_VR_WIDTH-1:0] ntrap_pstate2; |
---|
| 425 | wire [`WSR_PSTATE_VR_WIDTH-1:0] ntrap_pstate3; |
---|
| 426 | // modified for bug 2161 and 2584 |
---|
| 427 | wire pstate_priv_set, hpstate_priv_set; |
---|
| 428 | wire [`TLU_THRD_NUM-1:0] pstate_priv_thrd_set; |
---|
| 429 | // wire [`TLU_THRD_NUM-1:0] pstate_priv_update_g; |
---|
| 430 | wire [`TLU_THRD_NUM-1:0] pstate_priv_update_w2; |
---|
| 431 | // wire [`TLU_THRD_NUM-1:0] hpstate_dnrtry_priv_g; |
---|
| 432 | wire [`TLU_THRD_NUM-1:0] hpstate_dnrtry_priv_w2; |
---|
| 433 | wire [`TLU_THRD_NUM-1:0] hpstate_enb_set; |
---|
| 434 | wire [`TLU_THRD_NUM-1:0] hpstate_ibe_set; |
---|
| 435 | wire [`TLU_THRD_NUM-1:0] hpstate_tlz_set; |
---|
| 436 | // wire [`TLU_THRD_NUM-1:0] hpstate_priv_update_g; |
---|
| 437 | wire [`TLU_THRD_NUM-1:0] hpstate_priv_update_w2; |
---|
| 438 | // |
---|
| 439 | // removed for bug 2588 |
---|
| 440 | // wire [1:0] tlu_select_mmodel0; |
---|
| 441 | // wire [1:0] tlu_select_mmodel1; |
---|
| 442 | // wire [1:0] tlu_select_mmodel2; |
---|
| 443 | // wire [1:0] tlu_select_mmodel3; |
---|
| 444 | wire [`TLU_THRD_NUM-1:0] tlu_select_tle; |
---|
| 445 | wire [`TLU_THRD_NUM-1:0] tlu_select_cle; |
---|
| 446 | // wire [1:0] tlu_pstate0_mmodel; // mem. model - thread0 |
---|
| 447 | // wire [1:0] tlu_pstate1_mmodel; // mem. model - thread1 |
---|
| 448 | // wire [1:0] tlu_pstate2_mmodel; // mem. model - thread2 |
---|
| 449 | // wire [1:0] tlu_pstate3_mmodel; // mem. model - thread3 |
---|
| 450 | wire [`TLU_THRD_NUM-1:0] tlu_pstate_tle; // trap little endian |
---|
| 451 | // |
---|
| 452 | // modified for bug 1575 |
---|
| 453 | // wire [`PSTATE_TRUE_WIDTH-1:0] restore_pstate; |
---|
| 454 | // wire [`PSTATE_TRUE_WIDTH-1:0] restore_pstate0; |
---|
| 455 | // wire [`PSTATE_TRUE_WIDTH-1:0] restore_pstate1; |
---|
| 456 | // wire [`PSTATE_TRUE_WIDTH-1:0] restore_pstate2; |
---|
| 457 | // wire [`PSTATE_TRUE_WIDTH-1:0] restore_pstate3; |
---|
| 458 | wire [`WSR_PSTATE_VR_WIDTH-1:0] restore_pstate0; |
---|
| 459 | wire [`WSR_PSTATE_VR_WIDTH-1:0] restore_pstate1; |
---|
| 460 | wire [`WSR_PSTATE_VR_WIDTH-1:0] restore_pstate2; |
---|
| 461 | wire [`WSR_PSTATE_VR_WIDTH-1:0] restore_pstate3; |
---|
| 462 | wire [`WSR_PSTATE_VR_WIDTH-1:0] restore_pstate0_w3; |
---|
| 463 | wire [`WSR_PSTATE_VR_WIDTH-1:0] restore_pstate1_w3; |
---|
| 464 | wire [`WSR_PSTATE_VR_WIDTH-1:0] restore_pstate2_w3; |
---|
| 465 | wire [`WSR_PSTATE_VR_WIDTH-1:0] restore_pstate3_w3; |
---|
| 466 | wire tlu_pstate_nt_sel0, tlu_pstate_nt_sel1; |
---|
| 467 | wire tlu_pstate_nt_sel2, tlu_pstate_nt_sel3; |
---|
| 468 | wire tlu_pstate_wsr_sel0, tlu_pstate_wsr_sel1; |
---|
| 469 | wire tlu_pstate_wsr_sel2, tlu_pstate_wsr_sel3; |
---|
| 470 | wire hpstate_redmode; |
---|
| 471 | wire pstate0_clk,pstate1_clk,pstate2_clk,pstate3_clk; |
---|
| 472 | |
---|
| 473 | // |
---|
| 474 | // added or modified for hypervisor support |
---|
| 475 | // wire [2:0] global_sel; |
---|
| 476 | wire stcmp0_clk, stcmp1_clk, stcmp2_clk, stcmp3_clk; |
---|
| 477 | wire htcmp0_clk, htcmp1_clk, htcmp2_clk, htcmp3_clk; |
---|
| 478 | wire tlu_hpstate_hnt_sel0, tlu_hpstate_hnt_sel1; |
---|
| 479 | wire tlu_hpstate_hnt_sel2, tlu_hpstate_hnt_sel3; |
---|
| 480 | wire tlu_hpstate_wsr_sel0, tlu_hpstate_wsr_sel1; |
---|
| 481 | wire tlu_hpstate_wsr_sel2, tlu_hpstate_wsr_sel3; |
---|
| 482 | wire pc_bit15_sel; |
---|
| 483 | wire htba0_clk,htba1_clk,htba2_clk,htba3_clk; |
---|
| 484 | wire hpstate0_clk,hpstate1_clk,hpstate2_clk,hpstate3_clk; |
---|
| 485 | wire hintp0_clk,hintp1_clk,hintp2_clk,hintp3_clk; |
---|
| 486 | wire hintp_rdata; |
---|
| 487 | wire [`TLU_THRD_NUM-1:0] hintp_din; |
---|
| 488 | // added or modified due to stickcmp clean-up |
---|
| 489 | // wire [`TLU_ASR_DATA_WIDTH-2:0] stickcmp_rdata; |
---|
| 490 | // wire [`TLU_ASR_DATA_WIDTH-2:0] true_stickcmp0, true_stickcmp1; |
---|
| 491 | // wire [`TLU_ASR_DATA_WIDTH-2:0] true_stickcmp2, true_stickcmp3; |
---|
| 492 | wire [`TLU_ASR_DATA_WIDTH-1:0] stickcmp_rdata; |
---|
| 493 | wire [`TLU_ASR_DATA_WIDTH-1:0] true_stickcmp0, true_stickcmp1; |
---|
| 494 | wire [`TLU_ASR_DATA_WIDTH-1:0] true_stickcmp2, true_stickcmp3; |
---|
| 495 | wire [`TLU_THRD_NUM-1:0] stickcmp_intdis_din; |
---|
| 496 | wire [`TLU_THRD_NUM-1:0] stickcmp_intdis_en; |
---|
| 497 | wire [`TLU_THRD_NUM-1:0] stickcmp_int; |
---|
| 498 | wire stick_match; |
---|
| 499 | wire [`TLU_ASR_DATA_WIDTH-4:0] stickcmp_data; |
---|
| 500 | // |
---|
| 501 | wire [`TLU_ASR_DATA_WIDTH-2:0] htickcmp_rdata; |
---|
| 502 | wire [`TLU_ASR_DATA_WIDTH-4:0] htickcmp_data; |
---|
| 503 | wire [`TLU_ASR_DATA_WIDTH-2:0] true_htickcmp0, true_htickcmp1; |
---|
| 504 | wire [`TLU_ASR_DATA_WIDTH-2:0] true_htickcmp2, true_htickcmp3; |
---|
| 505 | wire [`TLU_HPSTATE_WIDTH-1:0] true_hpstate0,true_hpstate1; |
---|
| 506 | wire [`TLU_HPSTATE_WIDTH-1:0] true_hpstate2,true_hpstate3; |
---|
| 507 | wire [`TLU_HPSTATE_WIDTH-1:0] true_hpstate; |
---|
| 508 | wire [`TSA_HTSTATE_WIDTH-1:0] tsa_dnrtry_hpstate_m; |
---|
| 509 | wire [`TSA_HTSTATE_WIDTH-1:0] tsa_dnrtry_hpstate_g; |
---|
| 510 | wire [`TSA_HTSTATE_WIDTH-1:0] tsa_dnrtry_hpstate_w2; |
---|
| 511 | // wire [`TLU_HPSTATE_WIDTH-1:0] dnrtry_hpstate0_g, dnrtry_hpstate1_g; |
---|
| 512 | wire [`TLU_HPSTATE_WIDTH-1:0] dnrtry_hpstate0_w2, dnrtry_hpstate1_w2; |
---|
| 513 | // wire [`TLU_HPSTATE_WIDTH-1:0] dnrtry_hpstate2_g, dnrtry_hpstate3_g; |
---|
| 514 | wire [`TLU_HPSTATE_WIDTH-1:0] dnrtry_hpstate2_w2, dnrtry_hpstate3_w2; |
---|
| 515 | // wire [`TLU_HPSTATE_WIDTH-1:0] hntrap_hpstate0_g, hntrap_hpstate1_g; |
---|
| 516 | wire [`TLU_HPSTATE_WIDTH-1:0] hntrap_hpstate0_w2, hntrap_hpstate1_w2; |
---|
| 517 | // wire [`TLU_HPSTATE_WIDTH-1:0] hntrap_hpstate2_g, hntrap_hpstate3_g; |
---|
| 518 | wire [`TLU_HPSTATE_WIDTH-1:0] hntrap_hpstate2_w2, hntrap_hpstate3_w2; |
---|
| 519 | wire [`TLU_HPSTATE_WIDTH-1:0] wsr_data_hpstate_w2; |
---|
| 520 | wire [`TLU_HPSTATE_WIDTH-1:0] restore_hpstate0, restore_hpstate1; |
---|
| 521 | wire [`TLU_HPSTATE_WIDTH-1:0] restore_hpstate2, restore_hpstate3; |
---|
| 522 | wire [`TLU_HTBA_WIDTH-1:0] true_htba0, true_htba1; |
---|
| 523 | wire [`TLU_HTBA_WIDTH-1:0] true_htba2, true_htba3; |
---|
| 524 | wire [`TSA_GLOBAL_WIDTH-1:0] dnrtry_global_m; |
---|
| 525 | wire [`TLU_ASR_DATA_WIDTH-1:0] tlu_rdpr_mx5_out; |
---|
| 526 | wire [`SFTINT_WIDTH-1:0] tlu_rdpr_mx6_out; |
---|
| 527 | wire [`TLU_ASR_DATA_WIDTH-1:0] tlu_rdpr_mx7_out; |
---|
| 528 | wire [`TLU_ASR_DATA_WIDTH-1:0] tlu_exu_rsr_data_e; |
---|
| 529 | wire clk; |
---|
| 530 | // |
---|
| 531 | //========================================================================================= |
---|
| 532 | // create local reset |
---|
| 533 | |
---|
| 534 | assign local_rst = tlu_rst; |
---|
| 535 | assign se_l = ~se; |
---|
| 536 | |
---|
| 537 | // clock rename |
---|
| 538 | assign clk = rclk; |
---|
| 539 | |
---|
| 540 | //========================================================================================= |
---|
| 541 | // Design Notes : |
---|
| 542 | // HTSTATE- 4 (ENB from HPSTATE is not saved) |
---|
| 543 | // TPC- 47 (48-2)VA+(1)VA_HOLE |
---|
| 544 | // TNPC- 47 (48-2)VA+(1)VA_HOLE |
---|
| 545 | // TSTATE.GL- 2 (Only two significant bits are saved) |
---|
| 546 | // TSTATE.CCR- 8 |
---|
| 547 | // TSTATE.ASI- 8 |
---|
| 548 | // TSTATE.PSTATE- 8 (RED, IG, MG and AG bits are not used) |
---|
| 549 | // TSTATE.CWP- 3 |
---|
| 550 | // TRAPTYPE- 9 |
---|
| 551 | //======================================================== |
---|
| 552 | // Total 136 |
---|
| 553 | |
---|
| 554 | //========================================================================================= |
---|
| 555 | // Timing Diagram |
---|
| 556 | //========================================================================================= |
---|
| 557 | |
---|
| 558 | |
---|
| 559 | // WRITE TO TSA and other trap related registers. |
---|
| 560 | // | | | | | |
---|
| 561 | // |E |M | W | W2 | Integer |
---|
| 562 | // | | | exceptions | push tsa | |
---|
| 563 | // | | | reported | xmit pc | |
---|
| 564 | // | | | | | |
---|
| 565 | // |E |M | G | W2 | Long-Latency |
---|
| 566 | // | | | exceptions | | |
---|
| 567 | // | | | reported | push tsa | |
---|
| 568 | // | | | | xmit pc | |
---|
| 569 | |
---|
| 570 | //========================================================================================= |
---|
| 571 | // Generate TSA Control and Data |
---|
| 572 | //========================================================================================= |
---|
| 573 | |
---|
| 574 | // modified for bug 3017 |
---|
| 575 | assign trap_pc0[48:2] = true_pc0[48:2]; |
---|
| 576 | assign trap_pc1[48:2] = true_pc1[48:2]; |
---|
| 577 | assign trap_pc2[48:2] = true_pc2[48:2]; |
---|
| 578 | assign trap_pc3[48:2] = true_pc3[48:2]; |
---|
| 579 | |
---|
| 580 | assign trap_npc0[48:2] = true_npc0[48:2]; |
---|
| 581 | assign trap_npc1[48:2] = true_npc1[48:2]; |
---|
| 582 | assign trap_npc2[48:2] = true_npc2[48:2]; |
---|
| 583 | assign trap_npc3[48:2] = true_npc3[48:2]; |
---|
| 584 | |
---|
| 585 | assign trap_ccr0[7:0] = exu_tlu_ccr0_w[7:0]; |
---|
| 586 | assign trap_ccr1[7:0] = exu_tlu_ccr1_w[7:0]; |
---|
| 587 | assign trap_ccr2[7:0] = exu_tlu_ccr2_w[7:0]; |
---|
| 588 | assign trap_ccr3[7:0] = exu_tlu_ccr3_w[7:0]; |
---|
| 589 | |
---|
| 590 | // assign trap_cwp0[2:0] = exu_tlu_cwp0_w[2:0]; |
---|
| 591 | // assign trap_cwp1[2:0] = exu_tlu_cwp1_w[2:0]; |
---|
| 592 | // assign trap_cwp2[2:0] = exu_tlu_cwp2_w[2:0]; |
---|
| 593 | // assign trap_cwp3[2:0] = exu_tlu_cwp3_w[2:0]; |
---|
| 594 | // |
---|
| 595 | // added for bug 3695 |
---|
| 596 | dff_s #(3) dff_tlu_cwp0 ( |
---|
| 597 | .din (exu_tlu_cwp0[2:0]), |
---|
| 598 | .q (tlu_cwp0[2:0]), |
---|
| 599 | .clk (clk), |
---|
| 600 | .se (se), |
---|
| 601 | .si (), |
---|
| 602 | .so () |
---|
| 603 | ); |
---|
| 604 | |
---|
| 605 | dff_s #(3) dff_tlu_cwp1 ( |
---|
| 606 | .din (exu_tlu_cwp1[2:0]), |
---|
| 607 | .q (tlu_cwp1[2:0]), |
---|
| 608 | .clk (clk), |
---|
| 609 | .se (se), |
---|
| 610 | .si (), |
---|
| 611 | .so () |
---|
| 612 | ); |
---|
| 613 | |
---|
| 614 | dff_s #(3) dff_tlu_cwp2 ( |
---|
| 615 | .din (exu_tlu_cwp2[2:0]), |
---|
| 616 | .q (tlu_cwp2[2:0]), |
---|
| 617 | .clk (clk), |
---|
| 618 | .se (se), |
---|
| 619 | .si (), |
---|
| 620 | .so () |
---|
| 621 | ); |
---|
| 622 | |
---|
| 623 | dff_s #(3) dff_tlu_cwp3 ( |
---|
| 624 | .din (exu_tlu_cwp3[2:0]), |
---|
| 625 | .q (tlu_cwp3[2:0]), |
---|
| 626 | .clk (clk), |
---|
| 627 | .se (se), |
---|
| 628 | .si (), |
---|
| 629 | .so () |
---|
| 630 | ); |
---|
| 631 | // |
---|
| 632 | // modified for bug 3499 and 3695 |
---|
| 633 | dffe_s #(3) dffe_trap_cwp0 ( |
---|
| 634 | // .din (exu_tlu_cwp0[2:0]), |
---|
| 635 | .din (tlu_cwp0[2:0]), |
---|
| 636 | .q (trap_cwp0[2:0]), |
---|
| 637 | .en (tlu_trap_cwp_en[0]), |
---|
| 638 | .clk (clk), |
---|
| 639 | .se (se), |
---|
| 640 | .si (), |
---|
| 641 | .so () |
---|
| 642 | ); |
---|
| 643 | |
---|
| 644 | dffe_s #(3) dffe_trap_cwp1 ( |
---|
| 645 | // .din (exu_tlu_cwp1[2:0]), |
---|
| 646 | .din (tlu_cwp1[2:0]), |
---|
| 647 | .q (trap_cwp1[2:0]), |
---|
| 648 | .en (tlu_trap_cwp_en[1]), |
---|
| 649 | .clk (clk), |
---|
| 650 | .se (se), |
---|
| 651 | .si (), |
---|
| 652 | .so () |
---|
| 653 | ); |
---|
| 654 | |
---|
| 655 | dffe_s #(3) dffe_trap_cwp2 ( |
---|
| 656 | // .din (exu_tlu_cwp2[2:0]), |
---|
| 657 | .din (tlu_cwp2[2:0]), |
---|
| 658 | .q (trap_cwp2[2:0]), |
---|
| 659 | .en (tlu_trap_cwp_en[2]), |
---|
| 660 | .clk (clk), |
---|
| 661 | .se (se), |
---|
| 662 | .si (), |
---|
| 663 | .so () |
---|
| 664 | ); |
---|
| 665 | |
---|
| 666 | dffe_s #(3) dffe_trap_cwp3 ( |
---|
| 667 | // .din (exu_tlu_cwp3[2:0]), |
---|
| 668 | .din (tlu_cwp3[2:0]), |
---|
| 669 | .q (trap_cwp3[2:0]), |
---|
| 670 | .en (tlu_trap_cwp_en[3]), |
---|
| 671 | .clk (clk), |
---|
| 672 | .se (se), |
---|
| 673 | .si (), |
---|
| 674 | .so () |
---|
| 675 | ); |
---|
| 676 | |
---|
| 677 | assign trap_asi0[7:0] = lsu_asi_reg0[7:0]; |
---|
| 678 | assign trap_asi1[7:0] = lsu_asi_reg1[7:0]; |
---|
| 679 | assign trap_asi2[7:0] = lsu_asi_reg2[7:0]; |
---|
| 680 | assign trap_asi3[7:0] = lsu_asi_reg3[7:0]; |
---|
| 681 | // |
---|
| 682 | // staging the immediate asi |
---|
| 683 | |
---|
| 684 | dff_s #(`TLU_ASI_STATE_WIDTH) dff_imm_asi_e ( |
---|
| 685 | .din (ifu_lsu_imm_asi_d[`TLU_ASI_STATE_WIDTH-1:0]), |
---|
| 686 | .q (imm_asi_e[`TLU_ASI_STATE_WIDTH-1:0]), |
---|
| 687 | .clk (clk), |
---|
| 688 | .se (se), |
---|
| 689 | .si (), |
---|
| 690 | .so () |
---|
| 691 | ); |
---|
| 692 | |
---|
| 693 | dffr_s dffr_imm_asi_vld_e ( |
---|
| 694 | .din (ifu_lsu_imm_asi_vld_d), |
---|
| 695 | .q (imm_asi_vld_e), |
---|
| 696 | .clk (clk), |
---|
| 697 | .rst (local_rst), |
---|
| 698 | .se (se), |
---|
| 699 | .si (), |
---|
| 700 | .so () |
---|
| 701 | ); |
---|
| 702 | // |
---|
| 703 | // generating the current asi state |
---|
| 704 | mux4ds #(`TLU_ASI_STATE_WIDTH) mx_tlu_asi_state_e ( |
---|
| 705 | .in0 (lsu_asi_reg0[`TLU_ASI_STATE_WIDTH-1:0]), |
---|
| 706 | .in1 (lsu_asi_reg1[`TLU_ASI_STATE_WIDTH-1:0]), |
---|
| 707 | .in2 (lsu_asi_reg2[`TLU_ASI_STATE_WIDTH-1:0]), |
---|
| 708 | .in3 (lsu_asi_reg3[`TLU_ASI_STATE_WIDTH-1:0]), |
---|
| 709 | .sel0 (tlu_thrd_rsel_e[0]), |
---|
| 710 | .sel1 (tlu_thrd_rsel_e[1]), |
---|
| 711 | .sel2 (tlu_thrd_rsel_e[2]), |
---|
| 712 | .sel3 (tlu_thrd_rsel_e[3]), |
---|
| 713 | // modified due to bug 2442 |
---|
| 714 | // .dout (tlu_asi_state_e[`TLU_ASI_STATE_WIDTH-1:0]) |
---|
| 715 | .dout (asi_state_reg_e[`TLU_ASI_STATE_WIDTH-1:0]) |
---|
| 716 | ); |
---|
| 717 | // |
---|
| 718 | // added for bug 2442 |
---|
| 719 | // generating the current asi state |
---|
| 720 | mux2ds #(`TLU_ASI_STATE_WIDTH) mx_asi_state_final_e ( |
---|
| 721 | .in0 (imm_asi_e[`TLU_ASI_STATE_WIDTH-1:0]), |
---|
| 722 | .in1 (asi_state_reg_e[`TLU_ASI_STATE_WIDTH-1:0]), |
---|
| 723 | .sel0 (imm_asi_vld_e), |
---|
| 724 | .sel1 (~imm_asi_vld_e), |
---|
| 725 | .dout (asi_state_final_e[`TLU_ASI_STATE_WIDTH-1:0]) |
---|
| 726 | ); |
---|
| 727 | |
---|
| 728 | assign tlu_asi_state_e[`TLU_ASI_STATE_WIDTH-1:0] = |
---|
| 729 | asi_state_final_e[`TLU_ASI_STATE_WIDTH-1:0]; |
---|
| 730 | // |
---|
| 731 | // thread 0 |
---|
| 732 | assign trap_pstate0 = { |
---|
| 733 | true_pstate0[`PSTATE_VRANGE2_HI:`PSTATE_VRANGE2_LO], |
---|
| 734 | 2'b0, true_pstate0[`PSTATE_VRANGE1_HI:`PSTATE_VRANGE1_LO]}; |
---|
| 735 | // |
---|
| 736 | // modified due to hpstate.ibe addition |
---|
| 737 | assign trap0_tsa_wdata[`TLU_HTSTATE_HI:`TLU_HTSTATE_LO] = |
---|
| 738 | {true_hpstate0[`TLU_HPSTATE_WIDTH-1], |
---|
| 739 | true_hpstate0[`TSA_HTSTATE_WIDTH-2:0]}; |
---|
| 740 | // |
---|
| 741 | // modified for bug 3017 |
---|
| 742 | // |
---|
| 743 | assign trap0_tsa_wdata[`TLU_PC_HI:`TLU_PC_LO] = |
---|
| 744 | trap_pc0[48:2]; |
---|
| 745 | // |
---|
| 746 | assign trap0_tsa_wdata[`TLU_NPC_HI:`TLU_NPC_LO] = |
---|
| 747 | trap_npc0[48:2]; |
---|
| 748 | // |
---|
| 749 | assign trap0_tsa_wdata[`TLU_GL_HI:`TLU_GL_LO] = |
---|
| 750 | tlu_gl_lvl0[`TSA_GLOBAL_WIDTH-1:0]; |
---|
| 751 | // |
---|
| 752 | assign trap0_tsa_wdata[`TLU_CCR_HI:`TLU_CCR_LO] = |
---|
| 753 | trap_ccr0[`TSA_CCR_WIDTH-1:0]; |
---|
| 754 | // |
---|
| 755 | assign trap0_tsa_wdata[`TLU_ASI_HI:`TLU_ASI_LO] = |
---|
| 756 | trap_asi0[`TSA_ASI_WIDTH-1:0]; |
---|
| 757 | // |
---|
| 758 | assign trap0_tsa_wdata[`TLU_PSTATE_HI:`TLU_PSTATE_LO] = |
---|
| 759 | trap_pstate0[`TSA_PSTATE_WIDTH-1:0]; |
---|
| 760 | // |
---|
| 761 | assign trap0_tsa_wdata[`TLU_CWP_HI:`TLU_CWP_LO] = |
---|
| 762 | trap_cwp0[`TSA_CWP_WIDTH-1:0]; |
---|
| 763 | // |
---|
| 764 | assign trap0_tsa_wdata[`TLU_TT_HI:`TLU_TT_LO] = |
---|
| 765 | tlu_final_ttype_w2[`TSA_TTYPE_WIDTH-1:0]; |
---|
| 766 | // |
---|
| 767 | // thread 1 |
---|
| 768 | assign trap_pstate1 = { |
---|
| 769 | true_pstate1[`PSTATE_VRANGE2_HI:`PSTATE_VRANGE2_LO], |
---|
| 770 | 2'b0, true_pstate1[`PSTATE_VRANGE1_HI:`PSTATE_VRANGE1_LO]}; |
---|
| 771 | // |
---|
| 772 | // modified due to hpstate.ibe addition |
---|
| 773 | assign trap1_tsa_wdata[`TLU_HTSTATE_HI:`TLU_HTSTATE_LO] = |
---|
| 774 | {true_hpstate1[`TLU_HPSTATE_WIDTH-1], |
---|
| 775 | true_hpstate1[`TSA_HTSTATE_WIDTH-2:0]}; |
---|
| 776 | // |
---|
| 777 | assign trap1_tsa_wdata[`TLU_PC_HI:`TLU_PC_LO] = |
---|
| 778 | trap_pc1[48:2]; |
---|
| 779 | // |
---|
| 780 | assign trap1_tsa_wdata[`TLU_NPC_HI:`TLU_NPC_LO] = |
---|
| 781 | trap_npc1[48:2]; |
---|
| 782 | // |
---|
| 783 | assign trap1_tsa_wdata[`TLU_GL_HI:`TLU_GL_LO] = |
---|
| 784 | tlu_gl_lvl1[`TSA_GLOBAL_WIDTH-1:0]; |
---|
| 785 | // |
---|
| 786 | assign trap1_tsa_wdata[`TLU_CCR_HI:`TLU_CCR_LO] = |
---|
| 787 | trap_ccr1[`TSA_CCR_WIDTH-1:0]; |
---|
| 788 | // |
---|
| 789 | assign trap1_tsa_wdata[`TLU_ASI_HI:`TLU_ASI_LO] = |
---|
| 790 | trap_asi1[`TSA_ASI_WIDTH-1:0]; |
---|
| 791 | // |
---|
| 792 | assign trap1_tsa_wdata[`TLU_PSTATE_HI:`TLU_PSTATE_LO] = |
---|
| 793 | trap_pstate1[`TSA_PSTATE_WIDTH-1:0]; |
---|
| 794 | // |
---|
| 795 | assign trap1_tsa_wdata[`TLU_CWP_HI:`TLU_CWP_LO] = |
---|
| 796 | trap_cwp1[`TSA_CWP_WIDTH-1:0]; |
---|
| 797 | // |
---|
| 798 | assign trap1_tsa_wdata[`TLU_TT_HI:`TLU_TT_LO] = |
---|
| 799 | tlu_final_ttype_w2[`TSA_TTYPE_WIDTH-1:0]; |
---|
| 800 | // |
---|
| 801 | // thread 2 |
---|
| 802 | assign trap_pstate2 = { |
---|
| 803 | true_pstate2[`PSTATE_VRANGE2_HI:`PSTATE_VRANGE2_LO], |
---|
| 804 | 2'b0, true_pstate2[`PSTATE_VRANGE1_HI:`PSTATE_VRANGE1_LO]}; |
---|
| 805 | // |
---|
| 806 | // modified due to hpstate.ibe addition |
---|
| 807 | assign trap2_tsa_wdata[`TLU_HTSTATE_HI:`TLU_HTSTATE_LO] = |
---|
| 808 | {true_hpstate2[`TLU_HPSTATE_WIDTH-1], |
---|
| 809 | true_hpstate2[`TSA_HTSTATE_WIDTH-2:0]}; |
---|
| 810 | // |
---|
| 811 | assign trap2_tsa_wdata[`TLU_PC_HI:`TLU_PC_LO] = |
---|
| 812 | trap_pc2[48:2]; |
---|
| 813 | // |
---|
| 814 | assign trap2_tsa_wdata[`TLU_NPC_HI:`TLU_NPC_LO] = |
---|
| 815 | trap_npc2[48:2]; |
---|
| 816 | // |
---|
| 817 | assign trap2_tsa_wdata[`TLU_GL_HI:`TLU_GL_LO] = |
---|
| 818 | tlu_gl_lvl2[`TSA_GLOBAL_WIDTH-1:0]; |
---|
| 819 | // |
---|
| 820 | assign trap2_tsa_wdata[`TLU_CCR_HI:`TLU_CCR_LO] = |
---|
| 821 | trap_ccr2[`TSA_CCR_WIDTH-1:0]; |
---|
| 822 | // |
---|
| 823 | assign trap2_tsa_wdata[`TLU_ASI_HI:`TLU_ASI_LO] = |
---|
| 824 | trap_asi2[`TSA_ASI_WIDTH-1:0]; |
---|
| 825 | // |
---|
| 826 | assign trap2_tsa_wdata[`TLU_PSTATE_HI:`TLU_PSTATE_LO] = |
---|
| 827 | trap_pstate2[`TSA_PSTATE_WIDTH-1:0]; |
---|
| 828 | // |
---|
| 829 | assign trap2_tsa_wdata[`TLU_CWP_HI:`TLU_CWP_LO] = |
---|
| 830 | trap_cwp2[`TSA_CWP_WIDTH-1:0]; |
---|
| 831 | // |
---|
| 832 | assign trap2_tsa_wdata[`TLU_TT_HI:`TLU_TT_LO] = |
---|
| 833 | tlu_final_ttype_w2[`TSA_TTYPE_WIDTH-1:0]; |
---|
| 834 | // |
---|
| 835 | // thread 3 |
---|
| 836 | assign trap_pstate3 = { |
---|
| 837 | true_pstate3[`PSTATE_VRANGE2_HI:`PSTATE_VRANGE2_LO], |
---|
| 838 | 2'b0, true_pstate3[`PSTATE_VRANGE1_HI:`PSTATE_VRANGE1_LO]}; |
---|
| 839 | // |
---|
| 840 | // modified due to hpstate.ibe addition |
---|
| 841 | assign trap3_tsa_wdata[`TLU_HTSTATE_HI:`TLU_HTSTATE_LO] = |
---|
| 842 | {true_hpstate3[`TLU_HPSTATE_WIDTH-1], |
---|
| 843 | true_hpstate3[`TSA_HTSTATE_WIDTH-2:0]}; |
---|
| 844 | // |
---|
| 845 | assign trap3_tsa_wdata[`TLU_PC_HI:`TLU_PC_LO] = |
---|
| 846 | trap_pc3[48:2]; |
---|
| 847 | // |
---|
| 848 | assign trap3_tsa_wdata[`TLU_NPC_HI:`TLU_NPC_LO] = |
---|
| 849 | trap_npc3[48:2]; |
---|
| 850 | // |
---|
| 851 | assign trap3_tsa_wdata[`TLU_GL_HI:`TLU_GL_LO] = |
---|
| 852 | tlu_gl_lvl3[`TSA_GLOBAL_WIDTH-1:0]; |
---|
| 853 | // |
---|
| 854 | assign trap3_tsa_wdata[`TLU_CCR_HI:`TLU_CCR_LO] = |
---|
| 855 | trap_ccr3[`TSA_CCR_WIDTH-1:0]; |
---|
| 856 | // |
---|
| 857 | assign trap3_tsa_wdata[`TLU_ASI_HI:`TLU_ASI_LO] = |
---|
| 858 | trap_asi3[`TSA_ASI_WIDTH-1:0]; |
---|
| 859 | // |
---|
| 860 | assign trap3_tsa_wdata[`TLU_PSTATE_HI:`TLU_PSTATE_LO] = |
---|
| 861 | trap_pstate3[`TSA_PSTATE_WIDTH-1:0]; |
---|
| 862 | // |
---|
| 863 | assign trap3_tsa_wdata[`TLU_CWP_HI:`TLU_CWP_LO] = |
---|
| 864 | trap_cwp3[`TSA_CWP_WIDTH-1:0]; |
---|
| 865 | // |
---|
| 866 | assign trap3_tsa_wdata[`TLU_TT_HI:`TLU_TT_LO] = |
---|
| 867 | tlu_final_ttype_w2[`TSA_TTYPE_WIDTH-1:0]; |
---|
| 868 | // |
---|
| 869 | // modified for timing: tlu_thrd_wsel_g -> tlu_thrd_wsel_w2 |
---|
| 870 | `ifdef FPGA_SYN_1THREAD |
---|
| 871 | assign trap_tsa_wdata[`TLU_TSA_WIDTH-1:0] = trap0_tsa_wdata[`TLU_TSA_WIDTH-1:0]; |
---|
| 872 | `else |
---|
| 873 | |
---|
| 874 | mux4ds #(`TLU_TSA_WIDTH) tsawdsel ( |
---|
| 875 | .in0 (trap0_tsa_wdata[`TLU_TSA_WIDTH-1:0]), |
---|
| 876 | .in1 (trap1_tsa_wdata[`TLU_TSA_WIDTH-1:0]), |
---|
| 877 | .in2 (trap2_tsa_wdata[`TLU_TSA_WIDTH-1:0]), |
---|
| 878 | .in3 (trap3_tsa_wdata[`TLU_TSA_WIDTH-1:0]), |
---|
| 879 | .sel0 (tlu_thrd_wsel_w2[0]), |
---|
| 880 | .sel1 (tlu_thrd_wsel_w2[1]), |
---|
| 881 | .sel2 (tlu_thrd_wsel_w2[2]), |
---|
| 882 | .sel3 (tlu_thrd_wsel_w2[3]), |
---|
| 883 | .dout (trap_tsa_wdata[`TLU_TSA_WIDTH-1:0]) |
---|
| 884 | ); |
---|
| 885 | `endif // !`ifdef FPGA_SYN_1THREAD |
---|
| 886 | |
---|
| 887 | // |
---|
| 888 | // modified for timing and lint violations |
---|
| 889 | // assign wsr_data_w[`TLU_ASR_DATA_WIDTH-1:0] = |
---|
| 890 | // tlu_wsr_data_w[`TLU_ASR_DATA_WIDTH-1:0]; |
---|
| 891 | assign wsr_data_w[`SFTINT_WIDTH-1:0] = |
---|
| 892 | tlu_wsr_data_w[`SFTINT_WIDTH-1:0]; |
---|
| 893 | // |
---|
| 894 | // added for timing |
---|
| 895 | // reduced width to 48 due to lint violations |
---|
| 896 | dff_s #(48) dff_wsr_data_w2 ( |
---|
| 897 | .din (tlu_wsr_data_w[47:0]), |
---|
| 898 | .q (wsr_data_w2[47:0]), |
---|
| 899 | .clk (clk), |
---|
| 900 | .se (se), |
---|
| 901 | .si (), |
---|
| 902 | .so () |
---|
| 903 | ); |
---|
| 904 | // |
---|
| 905 | // extracting the relevant data for tstate from the WSR to be written |
---|
| 906 | // modified due to timing changes |
---|
| 907 | assign compose_tstate[`WSR_TSTATE_WIDTH-1:0] = |
---|
| 908 | {wsr_data_w2[`WSR_TSTATE_GL_HI:`WSR_TSTATE_GL_LO], |
---|
| 909 | wsr_data_w2[`WSR_TSTATE_CCR_HI:`WSR_TSTATE_CCR_LO], |
---|
| 910 | wsr_data_w2[`WSR_TSTATE_ASI_HI:`WSR_TSTATE_ASI_LO], |
---|
| 911 | wsr_data_w2[`WSR_TSTATE_PS2_HI:`WSR_TSTATE_PS2_LO], |
---|
| 912 | 2'b0, |
---|
| 913 | wsr_data_w2[`WSR_TSTATE_PS1_HI:`WSR_TSTATE_PS1_LO], |
---|
| 914 | wsr_data_w2[`WSR_TSTATE_CWP_HI:`WSR_TSTATE_CWP_LO]}; |
---|
| 915 | // |
---|
| 916 | // extracting the relevant data from hstate from the WSR to be written |
---|
| 917 | assign compose_htstate[`TSA_HTSTATE_WIDTH-1:0] = |
---|
| 918 | {wsr_data_w2[`WSR_HPSTATE_IBE], |
---|
| 919 | wsr_data_w2[`WSR_HPSTATE_RED], |
---|
| 920 | wsr_data_w2[`WSR_HPSTATE_PRIV], |
---|
| 921 | wsr_data_w2[`WSR_HPSTATE_TLZ]}; |
---|
| 922 | |
---|
| 923 | // htstate |
---|
| 924 | assign wrpr_tsa_wdata[`TLU_HTSTATE_HI:`TLU_HTSTATE_LO]= |
---|
| 925 | compose_htstate[`TSA_HTSTATE_WIDTH-1:0]; |
---|
| 926 | // |
---|
| 927 | // modified for bug 3017 |
---|
| 928 | // pc |
---|
| 929 | assign wrpr_tsa_wdata[`TLU_PC_HI:`TLU_PC_LO]= |
---|
| 930 | {1'b0, wsr_data_w2[47:2]}; |
---|
| 931 | // npc |
---|
| 932 | assign wrpr_tsa_wdata[`TLU_NPC_HI:`TLU_NPC_LO]= |
---|
| 933 | {1'b0, wsr_data_w2[47:2]}; |
---|
| 934 | // tstate data |
---|
| 935 | assign wrpr_tsa_wdata[`TLU_GL_HI:`TLU_CWP_LO]= |
---|
| 936 | compose_tstate[`WSR_TSTATE_WIDTH-1:0]; |
---|
| 937 | // ttype data |
---|
| 938 | assign wrpr_tsa_wdata[`TLU_TT_HI:`TLU_TT_LO]= |
---|
| 939 | wsr_data_w2[`TSA_TTYPE_WIDTH-1:0]; |
---|
| 940 | |
---|
| 941 | mux2ds #(`TLU_TSA_WIDTH) tsawdata_sel ( |
---|
| 942 | .in0 ({trap_tsa_wdata[`TLU_TSA_WIDTH-1:0]}), |
---|
| 943 | .in1 ({wrpr_tsa_wdata[`TLU_TSA_WIDTH-1:0]}), |
---|
| 944 | .sel0 (~tlu_wr_tsa_inst_w2), |
---|
| 945 | .sel1 (tlu_wr_tsa_inst_w2), |
---|
| 946 | .dout ({tsa_wdata[`TLU_TSA_WIDTH-1:0]}) |
---|
| 947 | ); |
---|
| 948 | |
---|
| 949 | //========================================================================================= |
---|
| 950 | // SOFT INTERRUPT for Threads |
---|
| 951 | //========================================================================================= |
---|
| 952 | |
---|
| 953 | // Assumption is that softint state is unknown after reset. |
---|
| 954 | // TICK_INT will be maintained separately. What is the relative order of |
---|
| 955 | // setting and clearing this bit ? What takes precedence ? |
---|
| 956 | // |
---|
| 957 | // modified for bug 2204 |
---|
| 958 | // recoded due to one-hot problem during reset |
---|
| 959 | |
---|
| 960 | `ifdef FPGA_SYN_1THREAD |
---|
| 961 | assign sftint[`SFTINT_WIDTH-1:0] = sftint0[`SFTINT_WIDTH-1:0]; |
---|
| 962 | `else |
---|
| 963 | |
---|
| 964 | mux4ds #(`SFTINT_WIDTH) mx_sftint ( |
---|
| 965 | .in0 (sftint0[`SFTINT_WIDTH-1:0]), |
---|
| 966 | .in1 (sftint1[`SFTINT_WIDTH-1:0]), |
---|
| 967 | .in2 (sftint2[`SFTINT_WIDTH-1:0]), |
---|
| 968 | .in3 (sftint3[`SFTINT_WIDTH-1:0]), |
---|
| 969 | .sel0 (tlu_sftint_mx_sel[0]), |
---|
| 970 | .sel1 (tlu_sftint_mx_sel[1]), |
---|
| 971 | .sel2 (tlu_sftint_mx_sel[2]), |
---|
| 972 | .sel3 (tlu_sftint_mx_sel[3]), |
---|
| 973 | .dout (sftint[`SFTINT_WIDTH-1:0]) |
---|
| 974 | ); |
---|
| 975 | `endif // !`ifdef FPGA_SYN_1THREAD |
---|
| 976 | |
---|
| 977 | /* |
---|
| 978 | assign sftint_sel_onehot_g = |
---|
| 979 | ~tlu_sftint_en_l_g[0] | (&tlu_sftint_en_l_g[3:1]); |
---|
| 980 | |
---|
| 981 | mux4ds #(`SFTINT_WIDTH) mx_sftint ( |
---|
| 982 | .in0 (sftint0[`SFTINT_WIDTH-1:0]), |
---|
| 983 | .in1 (sftint1[`SFTINT_WIDTH-1:0]), |
---|
| 984 | .in2 (sftint2[`SFTINT_WIDTH-1:0]), |
---|
| 985 | .in3 (sftint3[`SFTINT_WIDTH-1:0]), |
---|
| 986 | .sel0 (sftint_sel_onehot_g), |
---|
| 987 | .sel1 (~tlu_sftint_en_l_g[1]), |
---|
| 988 | .sel2 (~tlu_sftint_en_l_g[2]), |
---|
| 989 | .sel3 (~tlu_sftint_en_l_g[3]), |
---|
| 990 | .dout (sftint[`SFTINT_WIDTH-1:0]) |
---|
| 991 | ); |
---|
| 992 | */ |
---|
| 993 | |
---|
| 994 | assign sftint_set_din[`SFTINT_WIDTH-1:0] = |
---|
| 995 | (wsr_data_w[`SFTINT_WIDTH-1:0] | sftint[`SFTINT_WIDTH-1:0]); |
---|
| 996 | assign sftint_clr_din[`SFTINT_WIDTH-1:0] = |
---|
| 997 | (~wsr_data_w[`SFTINT_WIDTH-1:0] & sftint[`SFTINT_WIDTH-1:0]); |
---|
| 998 | assign sftint_wr_din[`SFTINT_WIDTH-1:0] = |
---|
| 999 | wsr_data_w[`SFTINT_WIDTH-1:0]; |
---|
| 1000 | |
---|
| 1001 | // consturcting the mux select for the sftin_din mux |
---|
| 1002 | |
---|
| 1003 | assign sftin_din_mxsel[0] = ~tlu_set_sftint_l_g; |
---|
| 1004 | assign sftin_din_mxsel[1] = ~tlu_clr_sftint_l_g; |
---|
| 1005 | assign sftin_din_mxsel[2] = ~tlu_wr_sftint_l_g; |
---|
| 1006 | assign sftin_din_mxsel[3] = |
---|
| 1007 | tlu_set_sftint_l_g & tlu_clr_sftint_l_g & tlu_wr_sftint_l_g; |
---|
| 1008 | |
---|
| 1009 | mux4ds #(`SFTINT_WIDTH) mx_sftint_din ( |
---|
| 1010 | .in0 (sftint_set_din[`SFTINT_WIDTH-1:0]), |
---|
| 1011 | .in1 (sftint_clr_din[`SFTINT_WIDTH-1:0]), |
---|
| 1012 | .in2 (sftint_wr_din[`SFTINT_WIDTH-1:0]), |
---|
| 1013 | .in3 (sftint[`SFTINT_WIDTH-1:0]), |
---|
| 1014 | .sel0 (sftin_din_mxsel[0]), |
---|
| 1015 | .sel1 (sftin_din_mxsel[1]), |
---|
| 1016 | .sel2 (sftin_din_mxsel[2]), |
---|
| 1017 | .sel3 (sftin_din_mxsel[3]), |
---|
| 1018 | .dout (sftint_din[`SFTINT_WIDTH-1:0]) |
---|
| 1019 | ); |
---|
| 1020 | |
---|
| 1021 | `ifdef FPGA_SYN_CLK_EN |
---|
| 1022 | `else |
---|
| 1023 | clken_buf clkbf_st0 ( |
---|
| 1024 | .rclk (clk), |
---|
| 1025 | .enb_l (tlu_sftint_en_l_g[0]), |
---|
| 1026 | .tmb_l (se_l), |
---|
| 1027 | .clk (sftint0_clk) |
---|
| 1028 | ); |
---|
| 1029 | `endif |
---|
| 1030 | |
---|
| 1031 | `ifdef FPGA_SYN_CLK_EN |
---|
| 1032 | `else |
---|
| 1033 | clken_buf clkbf_st1 ( |
---|
| 1034 | .rclk (clk), |
---|
| 1035 | .enb_l (tlu_sftint_en_l_g[1]), |
---|
| 1036 | .tmb_l (se_l), |
---|
| 1037 | .clk (sftint1_clk) |
---|
| 1038 | ); |
---|
| 1039 | `endif |
---|
| 1040 | |
---|
| 1041 | `ifdef FPGA_SYN_CLK_EN |
---|
| 1042 | `else |
---|
| 1043 | clken_buf clkbf_st2 ( |
---|
| 1044 | .rclk (clk), |
---|
| 1045 | .enb_l (tlu_sftint_en_l_g[2]), |
---|
| 1046 | .tmb_l (se_l), |
---|
| 1047 | .clk (sftint2_clk) |
---|
| 1048 | ); |
---|
| 1049 | `endif |
---|
| 1050 | |
---|
| 1051 | `ifdef FPGA_SYN_CLK_EN |
---|
| 1052 | `else |
---|
| 1053 | clken_buf clkbf_st3 ( |
---|
| 1054 | .rclk (clk), |
---|
| 1055 | .enb_l (tlu_sftint_en_l_g[3]), |
---|
| 1056 | .tmb_l (se_l), |
---|
| 1057 | .clk (sftint3_clk) |
---|
| 1058 | ); |
---|
| 1059 | `endif |
---|
| 1060 | // |
---|
| 1061 | // added for PIB support - modified to make inst count precise |
---|
| 1062 | assign sftint_b15_din[0] = |
---|
| 1063 | (pib_picl_wrap[0] | pib_pich_wrap[0] | sftint_din[15]); |
---|
| 1064 | assign sftint_b15_din[1] = |
---|
| 1065 | (pib_picl_wrap[1] | pib_pich_wrap[1] | sftint_din[15]); |
---|
| 1066 | assign sftint_b15_din[2] = |
---|
| 1067 | (pib_picl_wrap[2] | pib_pich_wrap[2] | sftint_din[15]); |
---|
| 1068 | assign sftint_b15_din[3] = |
---|
| 1069 | (pib_picl_wrap[3] | pib_pich_wrap[3] | sftint_din[15]); |
---|
| 1070 | |
---|
| 1071 | assign sftint_b15_en[0] = |
---|
| 1072 | (pib_picl_wrap[0] | pib_pich_wrap[0] | ~tlu_sftint_en_l_g[0]); |
---|
| 1073 | assign sftint_b15_en[1] = |
---|
| 1074 | (pib_picl_wrap[1] | pib_pich_wrap[1] | ~tlu_sftint_en_l_g[1]); |
---|
| 1075 | assign sftint_b15_en[2] = |
---|
| 1076 | (pib_picl_wrap[2] | pib_pich_wrap[2] | ~tlu_sftint_en_l_g[2]); |
---|
| 1077 | assign sftint_b15_en[3] = |
---|
| 1078 | (pib_picl_wrap[3] | pib_pich_wrap[3] | ~tlu_sftint_en_l_g[3]); |
---|
| 1079 | // |
---|
| 1080 | // added due to sftint spec change |
---|
| 1081 | // tickcmp interrupts |
---|
| 1082 | assign sftint_b0_din[0] = (tickcmp_int[0] | sftint_din[0]); |
---|
| 1083 | assign sftint_b0_din[1] = (tickcmp_int[1] | sftint_din[0]); |
---|
| 1084 | assign sftint_b0_din[2] = (tickcmp_int[2] | sftint_din[0]); |
---|
| 1085 | assign sftint_b0_din[3] = (tickcmp_int[3] | sftint_din[0]); |
---|
| 1086 | |
---|
| 1087 | assign sftint_b0_en[0] = (tickcmp_int[0] | ~tlu_sftint_en_l_g[0]); |
---|
| 1088 | assign sftint_b0_en[1] = (tickcmp_int[1] | ~tlu_sftint_en_l_g[1]); |
---|
| 1089 | assign sftint_b0_en[2] = (tickcmp_int[2] | ~tlu_sftint_en_l_g[2]); |
---|
| 1090 | assign sftint_b0_en[3] = (tickcmp_int[3] | ~tlu_sftint_en_l_g[3]); |
---|
| 1091 | // |
---|
| 1092 | // stickcmp interrupts |
---|
| 1093 | assign sftint_b16_din[0] = (stickcmp_int[0] | sftint_din[16]); |
---|
| 1094 | assign sftint_b16_din[1] = (stickcmp_int[1] | sftint_din[16]); |
---|
| 1095 | assign sftint_b16_din[2] = (stickcmp_int[2] | sftint_din[16]); |
---|
| 1096 | assign sftint_b16_din[3] = (stickcmp_int[3] | sftint_din[16]); |
---|
| 1097 | |
---|
| 1098 | assign sftint_b16_en[0] = (stickcmp_int[0] | ~tlu_sftint_en_l_g[0]); |
---|
| 1099 | assign sftint_b16_en[1] = (stickcmp_int[1] | ~tlu_sftint_en_l_g[1]); |
---|
| 1100 | assign sftint_b16_en[2] = (stickcmp_int[2] | ~tlu_sftint_en_l_g[2]); |
---|
| 1101 | assign sftint_b16_en[3] = (stickcmp_int[3] | ~tlu_sftint_en_l_g[3]); |
---|
| 1102 | |
---|
| 1103 | // modified for sftint spec change - special treatments for bit 0, 15 and 16 |
---|
| 1104 | // |
---|
| 1105 | // thread 0 |
---|
| 1106 | `ifdef FPGA_SYN_CLK_DFF |
---|
| 1107 | dffre_s #(14) dffr_sftint0 ( |
---|
| 1108 | .din (sftint_din[14:1]), |
---|
| 1109 | .q (sftint0[14:1]), |
---|
| 1110 | .en (~(tlu_sftint_en_l_g[0])), .clk(clk), |
---|
| 1111 | .rst (local_rst), |
---|
| 1112 | .se (se), |
---|
| 1113 | .si (), |
---|
| 1114 | .so () |
---|
| 1115 | ); |
---|
| 1116 | `else |
---|
| 1117 | dffr_s #(14) dffr_sftint0 ( |
---|
| 1118 | .din (sftint_din[14:1]), |
---|
| 1119 | .q (sftint0[14:1]), |
---|
| 1120 | .clk (sftint0_clk), |
---|
| 1121 | .rst (local_rst), |
---|
| 1122 | .se (se), |
---|
| 1123 | .si (), |
---|
| 1124 | .so () |
---|
| 1125 | ); |
---|
| 1126 | `endif |
---|
| 1127 | dffre_s dffre_sftint0_b0 ( |
---|
| 1128 | .din (sftint_b0_din[0]), |
---|
| 1129 | .q (sftint0[`SFTINT_TICK_CMP]), |
---|
| 1130 | .clk (clk), |
---|
| 1131 | .rst (local_rst), |
---|
| 1132 | .en (sftint_b0_en[0]), |
---|
| 1133 | .se (se), |
---|
| 1134 | .si (), |
---|
| 1135 | .so () |
---|
| 1136 | ); |
---|
| 1137 | |
---|
| 1138 | dffre_s dffre_sftint0_b15 ( |
---|
| 1139 | .din (sftint_b15_din[0]), |
---|
| 1140 | .q (sftint0[`SFTINT_PIB_WRAP]), |
---|
| 1141 | .clk (clk), |
---|
| 1142 | .rst (local_rst), |
---|
| 1143 | .en (sftint_b15_en[0]), |
---|
| 1144 | .se (se), |
---|
| 1145 | .si (), |
---|
| 1146 | .so () |
---|
| 1147 | ); |
---|
| 1148 | |
---|
| 1149 | dffre_s dffre_sftint0_b16 ( |
---|
| 1150 | .din (sftint_b16_din[0]), |
---|
| 1151 | .q (sftint0[`SFTINT_STICK_CMP]), |
---|
| 1152 | .clk (clk), |
---|
| 1153 | .rst (local_rst), |
---|
| 1154 | .en (sftint_b16_en[0]), |
---|
| 1155 | .se (se), |
---|
| 1156 | .si (), |
---|
| 1157 | .so () |
---|
| 1158 | ); |
---|
| 1159 | // |
---|
| 1160 | // thread 1 |
---|
| 1161 | `ifdef FPGA_SYN_CLK_DFF |
---|
| 1162 | dffre_s #(14) sftint1ff ( |
---|
| 1163 | .din (sftint_din[14:1]), |
---|
| 1164 | .q (sftint1[14:1]), |
---|
| 1165 | .en (~(tlu_sftint_en_l_g[1])), .clk(clk), |
---|
| 1166 | .rst (local_rst), |
---|
| 1167 | .se (se), |
---|
| 1168 | .si (), |
---|
| 1169 | .so () |
---|
| 1170 | ); |
---|
| 1171 | `else |
---|
| 1172 | dffr_s #(14) sftint1ff ( |
---|
| 1173 | .din (sftint_din[14:1]), |
---|
| 1174 | .q (sftint1[14:1]), |
---|
| 1175 | .clk (sftint1_clk), |
---|
| 1176 | .rst (local_rst), |
---|
| 1177 | .se (se), |
---|
| 1178 | .si (), |
---|
| 1179 | .so () |
---|
| 1180 | ); |
---|
| 1181 | `endif |
---|
| 1182 | |
---|
| 1183 | dffre_s dffre_sftint1_b0 ( |
---|
| 1184 | .din (sftint_b0_din[1]), |
---|
| 1185 | .q (sftint1[`SFTINT_TICK_CMP]), |
---|
| 1186 | .clk (clk), |
---|
| 1187 | .rst (local_rst), |
---|
| 1188 | .en (sftint_b0_en[1]), |
---|
| 1189 | .se (se), |
---|
| 1190 | .si (), |
---|
| 1191 | .so () |
---|
| 1192 | ); |
---|
| 1193 | |
---|
| 1194 | dffre_s dffre_sftint1_b15 ( |
---|
| 1195 | .din (sftint_b15_din[1]), |
---|
| 1196 | .q (sftint1[`SFTINT_PIB_WRAP]), |
---|
| 1197 | .clk (clk), |
---|
| 1198 | .rst (local_rst), |
---|
| 1199 | .en (sftint_b15_en[1]), |
---|
| 1200 | .se (se), |
---|
| 1201 | .si (), |
---|
| 1202 | .so () |
---|
| 1203 | ); |
---|
| 1204 | |
---|
| 1205 | dffre_s dffre_sftint1_b16 ( |
---|
| 1206 | .din (sftint_b16_din[1]), |
---|
| 1207 | .q (sftint1[`SFTINT_STICK_CMP]), |
---|
| 1208 | .clk (clk), |
---|
| 1209 | .rst (local_rst), |
---|
| 1210 | .en (sftint_b16_en[1]), |
---|
| 1211 | .se (se), |
---|
| 1212 | .si (), |
---|
| 1213 | .so () |
---|
| 1214 | ); |
---|
| 1215 | // |
---|
| 1216 | // thread 2 |
---|
| 1217 | `ifdef FPGA_SYN_CLK_DFF |
---|
| 1218 | dffre_s #(14) sftint2ff ( |
---|
| 1219 | .din (sftint_din[14:1]), |
---|
| 1220 | .q (sftint2[14:1]), |
---|
| 1221 | .en (~(tlu_sftint_en_l_g[2])), .clk(clk), |
---|
| 1222 | .rst (local_rst), |
---|
| 1223 | .se (se), |
---|
| 1224 | .si (), |
---|
| 1225 | .so () |
---|
| 1226 | ); |
---|
| 1227 | `else |
---|
| 1228 | dffr_s #(14) sftint2ff ( |
---|
| 1229 | .din (sftint_din[14:1]), |
---|
| 1230 | .q (sftint2[14:1]), |
---|
| 1231 | .clk (sftint2_clk), |
---|
| 1232 | .rst (local_rst), |
---|
| 1233 | .se (se), |
---|
| 1234 | .si (), |
---|
| 1235 | .so () |
---|
| 1236 | ); |
---|
| 1237 | `endif |
---|
| 1238 | |
---|
| 1239 | dffre_s dffre_sftint2_b0 ( |
---|
| 1240 | .din (sftint_b0_din[2]), |
---|
| 1241 | .q (sftint2[`SFTINT_TICK_CMP]), |
---|
| 1242 | .clk (clk), |
---|
| 1243 | .rst (local_rst), |
---|
| 1244 | .en (sftint_b0_en[2]), |
---|
| 1245 | .se (se), |
---|
| 1246 | .si (), |
---|
| 1247 | .so () |
---|
| 1248 | ); |
---|
| 1249 | |
---|
| 1250 | dffre_s dffre_sftint2_b15 ( |
---|
| 1251 | .din (sftint_b15_din[2]), |
---|
| 1252 | .q (sftint2[`SFTINT_PIB_WRAP]), |
---|
| 1253 | .clk (clk), |
---|
| 1254 | .rst (local_rst), |
---|
| 1255 | .en (sftint_b15_en[2]), |
---|
| 1256 | .se (se), |
---|
| 1257 | .si (), |
---|
| 1258 | .so () |
---|
| 1259 | ); |
---|
| 1260 | |
---|
| 1261 | dffre_s dffre_sftint2_b16 ( |
---|
| 1262 | .din (sftint_b16_din[2]), |
---|
| 1263 | .q (sftint2[`SFTINT_STICK_CMP]), |
---|
| 1264 | .clk (clk), |
---|
| 1265 | .rst (local_rst), |
---|
| 1266 | .en (sftint_b16_en[2]), |
---|
| 1267 | .se (se), |
---|
| 1268 | .si (), |
---|
| 1269 | .so () |
---|
| 1270 | ); |
---|
| 1271 | // |
---|
| 1272 | // thread 3 |
---|
| 1273 | `ifdef FPGA_SYN_CLK_DFF |
---|
| 1274 | dffre_s #(14) sftint3ff ( |
---|
| 1275 | .din (sftint_din[14:1]), |
---|
| 1276 | .q (sftint3[14:1]), |
---|
| 1277 | .en (~(tlu_sftint_en_l_g[3])), .clk(clk), |
---|
| 1278 | .rst (local_rst), |
---|
| 1279 | .se (se), |
---|
| 1280 | .si (), |
---|
| 1281 | .so () |
---|
| 1282 | ); |
---|
| 1283 | `else |
---|
| 1284 | dffr_s #(14) sftint3ff ( |
---|
| 1285 | .din (sftint_din[14:1]), |
---|
| 1286 | .q (sftint3[14:1]), |
---|
| 1287 | .clk (sftint3_clk), |
---|
| 1288 | .rst (local_rst), |
---|
| 1289 | .se (se), |
---|
| 1290 | .si (), |
---|
| 1291 | .so () |
---|
| 1292 | ); |
---|
| 1293 | `endif |
---|
| 1294 | |
---|
| 1295 | dffre_s dffre_sftint3_b0 ( |
---|
| 1296 | .din (sftint_b0_din[3]), |
---|
| 1297 | .q (sftint3[`SFTINT_TICK_CMP]), |
---|
| 1298 | .clk (clk), |
---|
| 1299 | .rst (local_rst), |
---|
| 1300 | .en (sftint_b0_en[3]), |
---|
| 1301 | .se (se), |
---|
| 1302 | .si (), |
---|
| 1303 | .so () |
---|
| 1304 | ); |
---|
| 1305 | |
---|
| 1306 | dffre_s dffre_sftint3_b15 ( |
---|
| 1307 | .din (sftint_b15_din[3]), |
---|
| 1308 | .q (sftint3[`SFTINT_PIB_WRAP]), |
---|
| 1309 | .clk (clk), |
---|
| 1310 | .rst (local_rst), |
---|
| 1311 | .en (sftint_b15_en[3]), |
---|
| 1312 | .se (se), |
---|
| 1313 | .si (), |
---|
| 1314 | .so () |
---|
| 1315 | ); |
---|
| 1316 | |
---|
| 1317 | dffre_s dffre_sftint3_b16 ( |
---|
| 1318 | .din (sftint_b16_din[3]), |
---|
| 1319 | .q (sftint3[`SFTINT_STICK_CMP]), |
---|
| 1320 | .clk (clk), |
---|
| 1321 | .rst (local_rst), |
---|
| 1322 | .en (sftint_b16_en[3]), |
---|
| 1323 | .se (se), |
---|
| 1324 | .si (), |
---|
| 1325 | .so () |
---|
| 1326 | ); |
---|
| 1327 | // |
---|
| 1328 | // Datapath priority encoder. |
---|
| 1329 | assign sftint_lvl14[0] = |
---|
| 1330 | sftint0[`SFTINT_TICK_CMP] | sftint0[`SFTINT_STICK_CMP] | |
---|
| 1331 | sftint0[14]; |
---|
| 1332 | assign sftint_lvl14[1] = |
---|
| 1333 | sftint1[`SFTINT_TICK_CMP] | sftint1[`SFTINT_STICK_CMP] | |
---|
| 1334 | sftint1[14]; |
---|
| 1335 | assign sftint_lvl14[2] = |
---|
| 1336 | sftint2[`SFTINT_TICK_CMP] | sftint2[`SFTINT_STICK_CMP] | |
---|
| 1337 | sftint2[14]; |
---|
| 1338 | assign sftint_lvl14[3] = |
---|
| 1339 | sftint3[`SFTINT_TICK_CMP] | sftint3[`SFTINT_STICK_CMP] | |
---|
| 1340 | sftint3[14]; |
---|
| 1341 | // |
---|
| 1342 | // modified to ensure one-hot mux check |
---|
| 1343 | |
---|
| 1344 | `ifdef FPGA_SYN_1THREAD |
---|
| 1345 | assign sftint_penc_din[14:0] = ({sftint0[15],sftint_lvl14[0],sftint0[13:1]}); |
---|
| 1346 | `else |
---|
| 1347 | |
---|
| 1348 | mux4ds #(`SFTINT_WIDTH-2) mx_sftint_penc_din ( |
---|
| 1349 | .in0 ({sftint0[15],sftint_lvl14[0],sftint0[13:1]}), |
---|
| 1350 | .in1 ({sftint1[15],sftint_lvl14[1],sftint1[13:1]}), |
---|
| 1351 | .in2 ({sftint2[15],sftint_lvl14[2],sftint2[13:1]}), |
---|
| 1352 | .in3 ({sftint3[15],sftint_lvl14[3],sftint3[13:1]}), |
---|
| 1353 | .sel0 (tlu_sftint_penc_sel[0]), |
---|
| 1354 | .sel1 (tlu_sftint_penc_sel[1]), |
---|
| 1355 | .sel2 (tlu_sftint_penc_sel[2]), |
---|
| 1356 | .sel3 (tlu_sftint_penc_sel[3]), |
---|
| 1357 | .dout (sftint_penc_din[14:0]) |
---|
| 1358 | ); |
---|
| 1359 | `endif // !`ifdef FPGA_SYN_1THREAD |
---|
| 1360 | |
---|
| 1361 | tlu_prencoder16 prencoder16 ( |
---|
| 1362 | .din (sftint_penc_din[14:0]), |
---|
| 1363 | .dout (tlu_sftint_id[3:0]) |
---|
| 1364 | ); |
---|
| 1365 | |
---|
| 1366 | //wire [15:0] sftint_rdata; |
---|
| 1367 | // |
---|
| 1368 | // modified for hypervisor support |
---|
| 1369 | // adding the SM bit |
---|
| 1370 | wire [`SFTINT_WIDTH-1:0] sftint_rdata; |
---|
| 1371 | // modified due to spec change |
---|
| 1372 | /* |
---|
| 1373 | mux4ds #(`SFTINT_WIDTH) sftint_mx_rsel ( |
---|
| 1374 | .in0 ({tlu_stick_int[0],sftint0[15:1],tlu_tick_int[0]}), |
---|
| 1375 | .in1 ({tlu_stick_int[1],sftint1[15:1],tlu_tick_int[1]}), |
---|
| 1376 | .in2 ({tlu_stick_int[2],sftint2[15:1],tlu_tick_int[2]}), |
---|
| 1377 | .in3 ({tlu_stick_int[3],sftint3[15:1],tlu_tick_int[3]}), |
---|
| 1378 | .sel0 (tlu_thrd_rsel_e[0]), |
---|
| 1379 | .sel1 (tlu_thrd_rsel_e[1]), |
---|
| 1380 | .sel2 (tlu_thrd_rsel_e[2]), |
---|
| 1381 | .sel3 (tlu_thrd_rsel_e[3]), |
---|
| 1382 | .dout (sftint_rdata[16:0]) |
---|
| 1383 | ); |
---|
| 1384 | */ |
---|
| 1385 | `ifdef FPGA_SYN_1THREAD |
---|
| 1386 | assign sftint_rdata[16:0] = sftint0[`SFTINT_WIDTH-1:0]; |
---|
| 1387 | `else |
---|
| 1388 | |
---|
| 1389 | mux4ds #(`SFTINT_WIDTH) sftint_mx_rsel ( |
---|
| 1390 | .in0 (sftint0[`SFTINT_WIDTH-1:0]), |
---|
| 1391 | .in1 (sftint1[`SFTINT_WIDTH-1:0]), |
---|
| 1392 | .in2 (sftint2[`SFTINT_WIDTH-1:0]), |
---|
| 1393 | .in3 (sftint3[`SFTINT_WIDTH-1:0]), |
---|
| 1394 | .sel0 (tlu_thrd_rsel_e[0]), |
---|
| 1395 | .sel1 (tlu_thrd_rsel_e[1]), |
---|
| 1396 | .sel2 (tlu_thrd_rsel_e[2]), |
---|
| 1397 | .sel3 (tlu_thrd_rsel_e[3]), |
---|
| 1398 | .dout (sftint_rdata[16:0]) |
---|
| 1399 | ); |
---|
| 1400 | `endif // !`ifdef FPGA_SYN_1THREAD |
---|
| 1401 | |
---|
| 1402 | //========================================================================================= |
---|
| 1403 | // TBA for Threads |
---|
| 1404 | //========================================================================================= |
---|
| 1405 | |
---|
| 1406 | // Lower 15 bits are read as zero and ignored when written. |
---|
| 1407 | |
---|
| 1408 | `ifdef FPGA_SYN_CLK_EN |
---|
| 1409 | `else |
---|
| 1410 | clken_buf clkbf_tba0 ( |
---|
| 1411 | .rclk (clk), |
---|
| 1412 | .enb_l (tlu_tba_en_l[0]), |
---|
| 1413 | .tmb_l (se_l), |
---|
| 1414 | .clk (tba0_clk) |
---|
| 1415 | ); |
---|
| 1416 | `endif |
---|
| 1417 | |
---|
| 1418 | `ifdef FPGA_SYN_CLK_EN |
---|
| 1419 | `else |
---|
| 1420 | clken_buf clkbf_tba1 ( |
---|
| 1421 | .rclk (clk), |
---|
| 1422 | .enb_l (tlu_tba_en_l[1]), |
---|
| 1423 | .tmb_l (se_l), |
---|
| 1424 | .clk (tba1_clk) |
---|
| 1425 | ); |
---|
| 1426 | `endif |
---|
| 1427 | |
---|
| 1428 | `ifdef FPGA_SYN_CLK_EN |
---|
| 1429 | `else |
---|
| 1430 | clken_buf clkbf_tba2 ( |
---|
| 1431 | .rclk (clk), |
---|
| 1432 | .enb_l (tlu_tba_en_l[2]), |
---|
| 1433 | .tmb_l (se_l), |
---|
| 1434 | .clk (tba2_clk) |
---|
| 1435 | ); |
---|
| 1436 | `endif |
---|
| 1437 | |
---|
| 1438 | `ifdef FPGA_SYN_CLK_EN |
---|
| 1439 | `else |
---|
| 1440 | clken_buf clkbf_tba3 ( |
---|
| 1441 | .rclk (clk), |
---|
| 1442 | .enb_l (tlu_tba_en_l[3]), |
---|
| 1443 | .tmb_l (se_l), |
---|
| 1444 | .clk (tba3_clk) |
---|
| 1445 | ); |
---|
| 1446 | `endif |
---|
| 1447 | |
---|
| 1448 | // THREAD0 |
---|
| 1449 | |
---|
| 1450 | `ifdef FPGA_SYN_CLK_DFF |
---|
| 1451 | dffe_s #(33) tba0 ( |
---|
| 1452 | .din (tlu_wsr_data_w[47:15]), |
---|
| 1453 | .q (true_tba0[32:0]), |
---|
| 1454 | .en (~(tlu_tba_en_l[0])), .clk(clk), |
---|
| 1455 | .se (se), |
---|
| 1456 | .si (), |
---|
| 1457 | .so () |
---|
| 1458 | ); |
---|
| 1459 | `else |
---|
| 1460 | dff_s #(33) tba0 ( |
---|
| 1461 | .din (tlu_wsr_data_w[47:15]), |
---|
| 1462 | .q (true_tba0[32:0]), |
---|
| 1463 | .clk (tba0_clk), |
---|
| 1464 | .se (se), |
---|
| 1465 | .si (), |
---|
| 1466 | .so () |
---|
| 1467 | ); |
---|
| 1468 | `endif |
---|
| 1469 | |
---|
| 1470 | // THREAD1 |
---|
| 1471 | |
---|
| 1472 | `ifdef FPGA_SYN_CLK_DFF |
---|
| 1473 | dffe_s #(33) tba1 ( |
---|
| 1474 | .din (tlu_wsr_data_w[47:15]), |
---|
| 1475 | .q (true_tba1[32:0]), |
---|
| 1476 | .en (~(tlu_tba_en_l[1])), .clk(clk), |
---|
| 1477 | .se (se), |
---|
| 1478 | .si (), |
---|
| 1479 | .so () |
---|
| 1480 | ); |
---|
| 1481 | `else |
---|
| 1482 | dff_s #(33) tba1 ( |
---|
| 1483 | .din (tlu_wsr_data_w[47:15]), |
---|
| 1484 | .q (true_tba1[32:0]), |
---|
| 1485 | .clk (tba1_clk), |
---|
| 1486 | .se (se), |
---|
| 1487 | .si (), |
---|
| 1488 | .so () |
---|
| 1489 | ); |
---|
| 1490 | `endif |
---|
| 1491 | |
---|
| 1492 | // THREAD2 |
---|
| 1493 | |
---|
| 1494 | `ifdef FPGA_SYN_CLK_DFF |
---|
| 1495 | dffe_s #(33) tba2 ( |
---|
| 1496 | .din (tlu_wsr_data_w[47:15]), |
---|
| 1497 | .q (true_tba2[32:0]), |
---|
| 1498 | .en (~(tlu_tba_en_l[2])), .clk(clk), |
---|
| 1499 | .se (se), |
---|
| 1500 | .si (), |
---|
| 1501 | .so () |
---|
| 1502 | ); |
---|
| 1503 | `else |
---|
| 1504 | dff_s #(33) tba2 ( |
---|
| 1505 | .din (tlu_wsr_data_w[47:15]), |
---|
| 1506 | .q (true_tba2[32:0]), |
---|
| 1507 | .clk (tba2_clk), |
---|
| 1508 | .se (se), |
---|
| 1509 | .si (), |
---|
| 1510 | .so () |
---|
| 1511 | ); |
---|
| 1512 | `endif |
---|
| 1513 | |
---|
| 1514 | // THREAD3 |
---|
| 1515 | |
---|
| 1516 | `ifdef FPGA_SYN_CLK_DFF |
---|
| 1517 | dffe_s #(33) tba3 ( |
---|
| 1518 | .din (tlu_wsr_data_w[47:15]), |
---|
| 1519 | .q (true_tba3[32:0]), |
---|
| 1520 | .en (~(tlu_tba_en_l[3])), .clk(clk), |
---|
| 1521 | .se (se), |
---|
| 1522 | .si (), |
---|
| 1523 | .so () |
---|
| 1524 | ); |
---|
| 1525 | `else |
---|
| 1526 | dff_s #(33) tba3 ( |
---|
| 1527 | .din (tlu_wsr_data_w[47:15]), |
---|
| 1528 | .q (true_tba3[32:0]), |
---|
| 1529 | .clk (tba3_clk), |
---|
| 1530 | .se (se), |
---|
| 1531 | .si (), |
---|
| 1532 | .so () |
---|
| 1533 | ); |
---|
| 1534 | `endif |
---|
| 1535 | |
---|
| 1536 | // tba_data is for traps specifically |
---|
| 1537 | // modified for timing |
---|
| 1538 | |
---|
| 1539 | `ifdef FPGA_SYN_1THREAD |
---|
| 1540 | assign tba_data[32:0] = true_tba0[32:0]; |
---|
| 1541 | assign tba_rdata[32:0] = true_tba0[32:0]; |
---|
| 1542 | |
---|
| 1543 | `else |
---|
| 1544 | |
---|
| 1545 | mux4ds #(33) mux_tba_data ( |
---|
| 1546 | .in0 (true_tba0[32:0]), |
---|
| 1547 | .in1 (true_tba1[32:0]), |
---|
| 1548 | .in2 (true_tba2[32:0]), |
---|
| 1549 | .in3 (true_tba3[32:0]), |
---|
| 1550 | .sel0 (tlu_thrd_wsel_w2[0]), |
---|
| 1551 | .sel1 (tlu_thrd_wsel_w2[1]), |
---|
| 1552 | .sel2 (tlu_thrd_wsel_w2[2]), |
---|
| 1553 | .sel3 (tlu_thrd_wsel_w2[3]), |
---|
| 1554 | .dout (tba_data[32:0]) |
---|
| 1555 | ); |
---|
| 1556 | |
---|
| 1557 | /* |
---|
| 1558 | mux4ds #(33) tba_mx ( |
---|
| 1559 | .in0 (true_tba0[32:0]), |
---|
| 1560 | .in1 (true_tba1[32:0]), |
---|
| 1561 | .in2 (true_tba2[32:0]), |
---|
| 1562 | .in3 (true_tba3[32:0]), |
---|
| 1563 | .sel0 (tlu_thrd_rsel_g[0]), |
---|
| 1564 | .sel1 (tlu_thrd_rsel_g[1]), |
---|
| 1565 | .sel2 (tlu_thrd_rsel_g[2]), |
---|
| 1566 | .sel3 (tlu_thrd_rsel_g[3]), |
---|
| 1567 | .dout (tba_data[32:0]) |
---|
| 1568 | ); |
---|
| 1569 | */ |
---|
| 1570 | // tba_rdata is for read of tba regs specifically. |
---|
| 1571 | mux4ds #(33) tba_mx_rsel ( |
---|
| 1572 | .in0 (true_tba0[32:0]), |
---|
| 1573 | .in1 (true_tba1[32:0]), |
---|
| 1574 | .in2 (true_tba2[32:0]), |
---|
| 1575 | .in3 (true_tba3[32:0]), |
---|
| 1576 | .sel0 (tlu_thrd_rsel_e[0]), |
---|
| 1577 | .sel1 (tlu_thrd_rsel_e[1]), |
---|
| 1578 | .sel2 (tlu_thrd_rsel_e[2]), |
---|
| 1579 | .sel3 (tlu_thrd_rsel_e[3]), |
---|
| 1580 | .dout (tba_rdata[32:0]) |
---|
| 1581 | ); |
---|
| 1582 | `endif // !`ifdef FPGA_SYN_1THREAD |
---|
| 1583 | |
---|
| 1584 | // added for hypervisor support |
---|
| 1585 | // |
---|
| 1586 | // HTBA write - constructing clocks |
---|
| 1587 | `ifdef FPGA_SYN_CLK_EN |
---|
| 1588 | `else |
---|
| 1589 | clken_buf clkbf_htba0 ( |
---|
| 1590 | .rclk (clk), |
---|
| 1591 | .enb_l (tlu_htba_en_l[0]), |
---|
| 1592 | .tmb_l (se_l), |
---|
| 1593 | .clk (htba0_clk) |
---|
| 1594 | ); |
---|
| 1595 | `endif |
---|
| 1596 | |
---|
| 1597 | `ifdef FPGA_SYN_CLK_EN |
---|
| 1598 | `else |
---|
| 1599 | clken_buf clkbf_htba1 ( |
---|
| 1600 | .rclk (clk), |
---|
| 1601 | .enb_l (tlu_htba_en_l[1]), |
---|
| 1602 | .tmb_l (se_l), |
---|
| 1603 | .clk (htba1_clk) |
---|
| 1604 | ); |
---|
| 1605 | `endif |
---|
| 1606 | |
---|
| 1607 | `ifdef FPGA_SYN_CLK_EN |
---|
| 1608 | `else |
---|
| 1609 | clken_buf clkbf_htba2 ( |
---|
| 1610 | .rclk (clk), |
---|
| 1611 | .enb_l (tlu_htba_en_l[2]), |
---|
| 1612 | .tmb_l (se_l), |
---|
| 1613 | .clk (htba2_clk) |
---|
| 1614 | ); |
---|
| 1615 | `endif |
---|
| 1616 | |
---|
| 1617 | `ifdef FPGA_SYN_CLK_EN |
---|
| 1618 | `else |
---|
| 1619 | clken_buf clkbf_htba3 ( |
---|
| 1620 | .rclk (clk), |
---|
| 1621 | .enb_l (tlu_htba_en_l[3]), |
---|
| 1622 | .tmb_l (se_l), |
---|
| 1623 | .clk (htba3_clk) |
---|
| 1624 | ); |
---|
| 1625 | `endif |
---|
| 1626 | // |
---|
| 1627 | // HTBA write - writing the registers |
---|
| 1628 | // lower 14 bits of HTBA are reserved, therefore, not stored |
---|
| 1629 | // |
---|
| 1630 | // Thread 0 |
---|
| 1631 | `ifdef FPGA_SYN_CLK_DFF |
---|
| 1632 | dffe_s #(`TLU_HTBA_WIDTH) dff_true_htba0 ( |
---|
| 1633 | .din (tlu_wsr_data_w[`TLU_HTBA_HI:`TLU_HTBA_LO]), |
---|
| 1634 | .q (true_htba0[`TLU_HTBA_WIDTH-1:0]), |
---|
| 1635 | .en (~(tlu_htba_en_l[0])), .clk(clk), |
---|
| 1636 | .se (se), |
---|
| 1637 | .si (), |
---|
| 1638 | .so () |
---|
| 1639 | ); |
---|
| 1640 | `else |
---|
| 1641 | dff_s #(`TLU_HTBA_WIDTH) dff_true_htba0 ( |
---|
| 1642 | .din (tlu_wsr_data_w[`TLU_HTBA_HI:`TLU_HTBA_LO]), |
---|
| 1643 | .q (true_htba0[`TLU_HTBA_WIDTH-1:0]), |
---|
| 1644 | .clk (htba0_clk), |
---|
| 1645 | .se (se), |
---|
| 1646 | .si (), |
---|
| 1647 | .so () |
---|
| 1648 | ); |
---|
| 1649 | `endif |
---|
| 1650 | // |
---|
| 1651 | // Thread 1 |
---|
| 1652 | `ifdef FPGA_SYN_CLK_DFF |
---|
| 1653 | dffe_s #(`TLU_HTBA_WIDTH) dff_true_htba1 ( |
---|
| 1654 | .din (tlu_wsr_data_w[`TLU_HTBA_HI:`TLU_HTBA_LO]), |
---|
| 1655 | .q (true_htba1[`TLU_HTBA_WIDTH-1:0]), |
---|
| 1656 | .en (~(tlu_htba_en_l[1])), .clk(clk), |
---|
| 1657 | .se (se), |
---|
| 1658 | .si (), |
---|
| 1659 | .so () |
---|
| 1660 | ); |
---|
| 1661 | `else |
---|
| 1662 | dff_s #(`TLU_HTBA_WIDTH) dff_true_htba1 ( |
---|
| 1663 | .din (tlu_wsr_data_w[`TLU_HTBA_HI:`TLU_HTBA_LO]), |
---|
| 1664 | .q (true_htba1[`TLU_HTBA_WIDTH-1:0]), |
---|
| 1665 | .clk (htba1_clk), |
---|
| 1666 | .se (se), |
---|
| 1667 | .si (), |
---|
| 1668 | .so () |
---|
| 1669 | ); |
---|
| 1670 | `endif |
---|
| 1671 | // |
---|
| 1672 | // Thread 2 |
---|
| 1673 | `ifdef FPGA_SYN_CLK_DFF |
---|
| 1674 | dffe_s #(`TLU_HTBA_WIDTH) dff_true_htba2 ( |
---|
| 1675 | .din (tlu_wsr_data_w[`TLU_HTBA_HI:`TLU_HTBA_LO]), |
---|
| 1676 | .q (true_htba2[`TLU_HTBA_WIDTH-1:0]), |
---|
| 1677 | .en (~(tlu_htba_en_l[2])), .clk(clk), |
---|
| 1678 | .se (se), |
---|
| 1679 | .si (), |
---|
| 1680 | .so () |
---|
| 1681 | ); |
---|
| 1682 | `else |
---|
| 1683 | dff_s #(`TLU_HTBA_WIDTH) dff_true_htba2 ( |
---|
| 1684 | .din (tlu_wsr_data_w[`TLU_HTBA_HI:`TLU_HTBA_LO]), |
---|
| 1685 | .q (true_htba2[`TLU_HTBA_WIDTH-1:0]), |
---|
| 1686 | .clk (htba2_clk), |
---|
| 1687 | .se (se), |
---|
| 1688 | .si (), |
---|
| 1689 | .so () |
---|
| 1690 | ); |
---|
| 1691 | `endif |
---|
| 1692 | // |
---|
| 1693 | // Thread 3 |
---|
| 1694 | `ifdef FPGA_SYN_CLK_DFF |
---|
| 1695 | dffe_s #(`TLU_HTBA_WIDTH) dff_true_htba3 ( |
---|
| 1696 | .din (tlu_wsr_data_w[`TLU_HTBA_HI:`TLU_HTBA_LO]), |
---|
| 1697 | .q (true_htba3[`TLU_HTBA_WIDTH-1:0]), |
---|
| 1698 | .en (~(tlu_htba_en_l[3])), .clk(clk), |
---|
| 1699 | .se (se), |
---|
| 1700 | .si (), |
---|
| 1701 | .so () |
---|
| 1702 | ); |
---|
| 1703 | `else |
---|
| 1704 | dff_s #(`TLU_HTBA_WIDTH) dff_true_htba3 ( |
---|
| 1705 | .din (tlu_wsr_data_w[`TLU_HTBA_HI:`TLU_HTBA_LO]), |
---|
| 1706 | .q (true_htba3[`TLU_HTBA_WIDTH-1:0]), |
---|
| 1707 | .clk (htba3_clk), |
---|
| 1708 | .se (se), |
---|
| 1709 | .si (), |
---|
| 1710 | .so () |
---|
| 1711 | ); |
---|
| 1712 | `endif |
---|
| 1713 | // |
---|
| 1714 | // constructing the rdata for HTBA |
---|
| 1715 | wire [`TLU_HTBA_WIDTH-1:0] htba_rdata; |
---|
| 1716 | |
---|
| 1717 | `ifdef FPGA_SYN_1THREAD |
---|
| 1718 | assign htba_rdata[`TLU_HTBA_WIDTH-1:0] = true_htba0[`TLU_HTBA_WIDTH-1:0]; |
---|
| 1719 | assign htba_data[`TLU_HTBA_WIDTH-1:0] = true_htba0[`TLU_HTBA_WIDTH-1:0]; |
---|
| 1720 | `else |
---|
| 1721 | |
---|
| 1722 | mux4ds #(`TLU_HTBA_WIDTH) mux_htba_rdata ( |
---|
| 1723 | .in0 (true_htba0[`TLU_HTBA_WIDTH-1:0]), |
---|
| 1724 | .in1 (true_htba1[`TLU_HTBA_WIDTH-1:0]), |
---|
| 1725 | .in2 (true_htba2[`TLU_HTBA_WIDTH-1:0]), |
---|
| 1726 | .in3 (true_htba3[`TLU_HTBA_WIDTH-1:0]), |
---|
| 1727 | .sel0 (tlu_thrd_rsel_e[0]), |
---|
| 1728 | .sel1 (tlu_thrd_rsel_e[1]), |
---|
| 1729 | .sel2 (tlu_thrd_rsel_e[2]), |
---|
| 1730 | .sel3 (tlu_thrd_rsel_e[3]), |
---|
| 1731 | .dout (htba_rdata[`TLU_HTBA_WIDTH-1:0]) |
---|
| 1732 | ); |
---|
| 1733 | // |
---|
| 1734 | // selecting the htba base address to use |
---|
| 1735 | // modified for timing |
---|
| 1736 | mux4ds #(`TLU_HTBA_WIDTH) mux_htba_data ( |
---|
| 1737 | .in0 (true_htba0[`TLU_HTBA_WIDTH-1:0]), |
---|
| 1738 | .in1 (true_htba1[`TLU_HTBA_WIDTH-1:0]), |
---|
| 1739 | .in2 (true_htba2[`TLU_HTBA_WIDTH-1:0]), |
---|
| 1740 | .in3 (true_htba3[`TLU_HTBA_WIDTH-1:0]), |
---|
| 1741 | .sel0 (tlu_thrd_wsel_w2[0]), |
---|
| 1742 | .sel1 (tlu_thrd_wsel_w2[1]), |
---|
| 1743 | .sel2 (tlu_thrd_wsel_w2[2]), |
---|
| 1744 | .sel3 (tlu_thrd_wsel_w2[3]), |
---|
| 1745 | .dout (htba_data[`TLU_HTBA_WIDTH-1:0]) |
---|
| 1746 | ); |
---|
| 1747 | `endif // !`ifdef FPGA_SYN_1THREAD |
---|
| 1748 | |
---|
| 1749 | /* |
---|
| 1750 | mux4ds #(`TLU_HTBA_WIDTH) mux_htba_data ( |
---|
| 1751 | .in0 (true_htba0[`TLU_HTBA_WIDTH-1:0]), |
---|
| 1752 | .in1 (true_htba1[`TLU_HTBA_WIDTH-1:0]), |
---|
| 1753 | .in2 (true_htba2[`TLU_HTBA_WIDTH-1:0]), |
---|
| 1754 | .in3 (true_htba3[`TLU_HTBA_WIDTH-1:0]), |
---|
| 1755 | .sel0 (tlu_thrd_rsel_g[0]), |
---|
| 1756 | .sel1 (tlu_thrd_rsel_g[1]), |
---|
| 1757 | .sel2 (tlu_thrd_rsel_g[2]), |
---|
| 1758 | .sel3 (tlu_thrd_rsel_g[3]), |
---|
| 1759 | .dout (htba_data[`TLU_HTBA_WIDTH-1:0]) |
---|
| 1760 | ); |
---|
| 1761 | */ |
---|
| 1762 | //========================================================================================= |
---|
| 1763 | // TICKS for Threads |
---|
| 1764 | //========================================================================================= |
---|
| 1765 | |
---|
| 1766 | // npt needs to be muxed into read !!! |
---|
| 1767 | |
---|
| 1768 | |
---|
| 1769 | // THREAD0,1,2,3 |
---|
| 1770 | |
---|
| 1771 | mux2ds #(61) tick_sel ( |
---|
| 1772 | .in0 (tlu_wsr_data_w[62:2]), |
---|
| 1773 | .in1 (tlu_tick_incr_dout[60:0]), |
---|
| 1774 | .sel0 (~tlu_tick_en_l), |
---|
| 1775 | .sel1 ( tlu_tick_en_l), |
---|
| 1776 | .dout (tick_din[62:2]) |
---|
| 1777 | ); |
---|
| 1778 | // |
---|
| 1779 | // modified due to the switch to the soft macro |
---|
| 1780 | // assign tlu_tick_incr_din[`TLU_ASR_DATA_WIDTH-1:0] = |
---|
| 1781 | // {3'b000,true_tick[60:0]}; |
---|
| 1782 | assign tlu_tick_incr_din[`TLU_ASR_DATA_WIDTH-3:0] = |
---|
| 1783 | {1'b0,true_tick[60:0]}; |
---|
| 1784 | |
---|
| 1785 | // Does not need enable as either in increment or update state |
---|
| 1786 | dff_s #(61) tick0123 ( |
---|
| 1787 | .din (tick_din[62:2]), |
---|
| 1788 | .q (true_tick[60:0]), |
---|
| 1789 | .clk (clk), |
---|
| 1790 | .se (se), |
---|
| 1791 | .si (), |
---|
| 1792 | .so () |
---|
| 1793 | ); |
---|
| 1794 | |
---|
| 1795 | //========================================================================================= |
---|
| 1796 | // TICK COMPARE for Threads |
---|
| 1797 | //========================================================================================= |
---|
| 1798 | |
---|
| 1799 | `ifdef FPGA_SYN_CLK_EN |
---|
| 1800 | `else |
---|
| 1801 | clken_buf clkbf_tcmp0 ( |
---|
| 1802 | .rclk (clk), |
---|
| 1803 | .enb_l (tlu_tickcmp_en_l[0]), |
---|
| 1804 | .tmb_l (se_l), |
---|
| 1805 | .clk (tcmp0_clk) |
---|
| 1806 | ); |
---|
| 1807 | `endif |
---|
| 1808 | |
---|
| 1809 | `ifdef FPGA_SYN_CLK_EN |
---|
| 1810 | `else |
---|
| 1811 | clken_buf clkbf_tcmp1 ( |
---|
| 1812 | .rclk (clk), |
---|
| 1813 | .enb_l (tlu_tickcmp_en_l[1]), |
---|
| 1814 | .tmb_l (se_l), |
---|
| 1815 | .clk (tcmp1_clk) |
---|
| 1816 | ); |
---|
| 1817 | `endif |
---|
| 1818 | |
---|
| 1819 | `ifdef FPGA_SYN_CLK_EN |
---|
| 1820 | `else |
---|
| 1821 | clken_buf clkbf_tcmp2 ( |
---|
| 1822 | .rclk (clk), |
---|
| 1823 | .enb_l (tlu_tickcmp_en_l[2]), |
---|
| 1824 | .tmb_l (se_l), |
---|
| 1825 | .clk (tcmp2_clk) |
---|
| 1826 | ); |
---|
| 1827 | `endif |
---|
| 1828 | |
---|
| 1829 | `ifdef FPGA_SYN_CLK_EN |
---|
| 1830 | `else |
---|
| 1831 | clken_buf clkbf_tcmp3 ( |
---|
| 1832 | .rclk (clk), |
---|
| 1833 | .enb_l (tlu_tickcmp_en_l[3]), |
---|
| 1834 | .tmb_l (se_l), |
---|
| 1835 | .clk (tcmp3_clk) |
---|
| 1836 | ); |
---|
| 1837 | `endif |
---|
| 1838 | |
---|
| 1839 | // thread 0 |
---|
| 1840 | // added or modified due to tickcmp clean-up |
---|
| 1841 | assign tickcmp_intdis_din[0] = |
---|
| 1842 | tlu_wsr_data_w[`TICKCMP_INTDIS] | local_rst | |
---|
| 1843 | tlu_por_rstint_g[0]; |
---|
| 1844 | // added and modified for bug 4763 |
---|
| 1845 | assign tickcmp_intdis_en[0] = |
---|
| 1846 | ~tlu_tickcmp_en_l[0] | local_rst | tlu_por_rstint_g[0]; |
---|
| 1847 | |
---|
| 1848 | dffe_s dffe_tickcmp_intdis0 ( |
---|
| 1849 | .din (tickcmp_intdis_din[0]), |
---|
| 1850 | .q (true_tickcmp0[`TICKCMP_INTDIS]), |
---|
| 1851 | .en (tickcmp_intdis_en[0]), |
---|
| 1852 | .clk (clk), |
---|
| 1853 | .se (se), |
---|
| 1854 | .si (), |
---|
| 1855 | .so () |
---|
| 1856 | ); |
---|
| 1857 | |
---|
| 1858 | `ifdef FPGA_SYN_CLK_DFF |
---|
| 1859 | dffe_s #(`TLU_ASR_DATA_WIDTH-1) tickcmp0 ( |
---|
| 1860 | .din (tlu_wsr_data_w[`TLU_ASR_DATA_WIDTH-2:0]), |
---|
| 1861 | .q (true_tickcmp0[`TLU_ASR_DATA_WIDTH-2:0]), |
---|
| 1862 | .en (~(tlu_tickcmp_en_l[0])), .clk(clk), |
---|
| 1863 | .se (se), |
---|
| 1864 | .si (), |
---|
| 1865 | .so () |
---|
| 1866 | ); |
---|
| 1867 | `else |
---|
| 1868 | dff_s #(`TLU_ASR_DATA_WIDTH-1) tickcmp0 ( |
---|
| 1869 | .din (tlu_wsr_data_w[`TLU_ASR_DATA_WIDTH-2:0]), |
---|
| 1870 | .q (true_tickcmp0[`TLU_ASR_DATA_WIDTH-2:0]), |
---|
| 1871 | .clk (tcmp0_clk), |
---|
| 1872 | .se (se), |
---|
| 1873 | .si (), |
---|
| 1874 | .so () |
---|
| 1875 | ); |
---|
| 1876 | `endif |
---|
| 1877 | |
---|
| 1878 | // thread 1 |
---|
| 1879 | // added or modified due to tickcmp clean-up |
---|
| 1880 | assign tickcmp_intdis_din[1] = |
---|
| 1881 | tlu_wsr_data_w[`TICKCMP_INTDIS] | local_rst | |
---|
| 1882 | tlu_por_rstint_g[1]; |
---|
| 1883 | // added and modified for bug 4763 |
---|
| 1884 | assign tickcmp_intdis_en[1] = |
---|
| 1885 | ~tlu_tickcmp_en_l[1] | local_rst | tlu_por_rstint_g[1]; |
---|
| 1886 | |
---|
| 1887 | dffe_s dffe_tickcmp_intdis1 ( |
---|
| 1888 | .din (tickcmp_intdis_din[1]), |
---|
| 1889 | .q (true_tickcmp1[`TICKCMP_INTDIS]), |
---|
| 1890 | .en (tickcmp_intdis_en[1]), |
---|
| 1891 | .clk (clk), |
---|
| 1892 | .se (se), |
---|
| 1893 | .si (), |
---|
| 1894 | .so () |
---|
| 1895 | ); |
---|
| 1896 | |
---|
| 1897 | `ifdef FPGA_SYN_CLK_DFF |
---|
| 1898 | dffe_s #(`TLU_ASR_DATA_WIDTH-1) tickcmp1 ( |
---|
| 1899 | .din (tlu_wsr_data_w[`TLU_ASR_DATA_WIDTH-2:0]), |
---|
| 1900 | .q (true_tickcmp1[`TLU_ASR_DATA_WIDTH-2:0]), |
---|
| 1901 | .en (~(tlu_tickcmp_en_l[1])), .clk(clk), |
---|
| 1902 | .se (se), |
---|
| 1903 | .si (), |
---|
| 1904 | .so () |
---|
| 1905 | ); |
---|
| 1906 | `else |
---|
| 1907 | dff_s #(`TLU_ASR_DATA_WIDTH-1) tickcmp1 ( |
---|
| 1908 | .din (tlu_wsr_data_w[`TLU_ASR_DATA_WIDTH-2:0]), |
---|
| 1909 | .q (true_tickcmp1[`TLU_ASR_DATA_WIDTH-2:0]), |
---|
| 1910 | .clk (tcmp1_clk), |
---|
| 1911 | .se (se), |
---|
| 1912 | .si (), |
---|
| 1913 | .so () |
---|
| 1914 | ); |
---|
| 1915 | `endif |
---|
| 1916 | |
---|
| 1917 | // thread 2 |
---|
| 1918 | // added or modified due to tickcmp clean-up |
---|
| 1919 | assign tickcmp_intdis_din[2] = |
---|
| 1920 | tlu_wsr_data_w[`TICKCMP_INTDIS] | local_rst | |
---|
| 1921 | tlu_por_rstint_g[2]; |
---|
| 1922 | // added and modified for bug 4763 |
---|
| 1923 | assign tickcmp_intdis_en[2] = |
---|
| 1924 | ~tlu_tickcmp_en_l[2] | local_rst | tlu_por_rstint_g[2]; |
---|
| 1925 | |
---|
| 1926 | dffe_s dffe_tickcmp_intdis2 ( |
---|
| 1927 | .din (tickcmp_intdis_din[2]), |
---|
| 1928 | .q (true_tickcmp2[`TICKCMP_INTDIS]), |
---|
| 1929 | .en (tickcmp_intdis_en[2]), |
---|
| 1930 | .clk (clk), |
---|
| 1931 | .se (se), |
---|
| 1932 | .si (), |
---|
| 1933 | .so () |
---|
| 1934 | ); |
---|
| 1935 | |
---|
| 1936 | `ifdef FPGA_SYN_CLK_DFF |
---|
| 1937 | dffe_s #(`TLU_ASR_DATA_WIDTH-1) tickcmp2 ( |
---|
| 1938 | .din (tlu_wsr_data_w[`TLU_ASR_DATA_WIDTH-2:0]), |
---|
| 1939 | .q (true_tickcmp2[`TLU_ASR_DATA_WIDTH-2:0]), |
---|
| 1940 | .en (~(tlu_tickcmp_en_l[2])), .clk(clk), |
---|
| 1941 | .se (se), |
---|
| 1942 | .si (), |
---|
| 1943 | .so () |
---|
| 1944 | ); |
---|
| 1945 | `else |
---|
| 1946 | dff_s #(`TLU_ASR_DATA_WIDTH-1) tickcmp2 ( |
---|
| 1947 | .din (tlu_wsr_data_w[`TLU_ASR_DATA_WIDTH-2:0]), |
---|
| 1948 | .q (true_tickcmp2[`TLU_ASR_DATA_WIDTH-2:0]), |
---|
| 1949 | .clk (tcmp2_clk), |
---|
| 1950 | .se (se), |
---|
| 1951 | .si (), |
---|
| 1952 | .so () |
---|
| 1953 | ); |
---|
| 1954 | `endif |
---|
| 1955 | |
---|
| 1956 | // thread 3 |
---|
| 1957 | // added or modified due to tickcmp clean-up |
---|
| 1958 | assign tickcmp_intdis_din[3] = |
---|
| 1959 | tlu_wsr_data_w[`TICKCMP_INTDIS] | local_rst | |
---|
| 1960 | tlu_por_rstint_g[3]; |
---|
| 1961 | // added and modified for bug 4763 |
---|
| 1962 | assign tickcmp_intdis_en[3] = |
---|
| 1963 | ~tlu_tickcmp_en_l[3] | local_rst | tlu_por_rstint_g[3]; |
---|
| 1964 | |
---|
| 1965 | dffe_s dffe_tickcmp_intdis3 ( |
---|
| 1966 | .din (tickcmp_intdis_din[3]), |
---|
| 1967 | .q (true_tickcmp3[`TICKCMP_INTDIS]), |
---|
| 1968 | .en (tickcmp_intdis_en[3]), |
---|
| 1969 | .clk (clk), |
---|
| 1970 | .se (se), |
---|
| 1971 | .si (), |
---|
| 1972 | .so () |
---|
| 1973 | ); |
---|
| 1974 | |
---|
| 1975 | `ifdef FPGA_SYN_CLK_DFF |
---|
| 1976 | dffe_s #(`TLU_ASR_DATA_WIDTH-1) tickcmp3 ( |
---|
| 1977 | .din (tlu_wsr_data_w[`TLU_ASR_DATA_WIDTH-2:0]), |
---|
| 1978 | .q (true_tickcmp3[`TLU_ASR_DATA_WIDTH-2:0]), |
---|
| 1979 | .en (~(tlu_tickcmp_en_l[3])), .clk(clk), |
---|
| 1980 | .se (se), |
---|
| 1981 | .si (), |
---|
| 1982 | .so () |
---|
| 1983 | ); |
---|
| 1984 | `else |
---|
| 1985 | dff_s #(`TLU_ASR_DATA_WIDTH-1) tickcmp3 ( |
---|
| 1986 | .din (tlu_wsr_data_w[`TLU_ASR_DATA_WIDTH-2:0]), |
---|
| 1987 | .q (true_tickcmp3[`TLU_ASR_DATA_WIDTH-2:0]), |
---|
| 1988 | .clk (tcmp3_clk), |
---|
| 1989 | .se (se), |
---|
| 1990 | .si (), |
---|
| 1991 | .so () |
---|
| 1992 | ); |
---|
| 1993 | `endif |
---|
| 1994 | |
---|
| 1995 | // Select 1/4 sources. Assume compare is independent of read |
---|
| 1996 | // and thus needs separate mux |
---|
| 1997 | `ifdef FPGA_SYN_1THREAD |
---|
| 1998 | assign tickcmp_data[`TLU_ASR_DATA_WIDTH-4:0] = true_tickcmp0[`TLU_ASR_DATA_WIDTH-2:2]; |
---|
| 1999 | assign tickcmp_rdata[`TLU_ASR_DATA_WIDTH-1:0] = true_tickcmp0[`TLU_ASR_DATA_WIDTH-1:0]; |
---|
| 2000 | `else |
---|
| 2001 | |
---|
| 2002 | mux4ds #(`TLU_ASR_DATA_WIDTH-3) tcmp_mx_sel ( |
---|
| 2003 | .in0 (true_tickcmp0[`TLU_ASR_DATA_WIDTH-2:2]), |
---|
| 2004 | .in1 (true_tickcmp1[`TLU_ASR_DATA_WIDTH-2:2]), |
---|
| 2005 | .in2 (true_tickcmp2[`TLU_ASR_DATA_WIDTH-2:2]), |
---|
| 2006 | .in3 (true_tickcmp3[`TLU_ASR_DATA_WIDTH-2:2]), |
---|
| 2007 | .sel0 (tlu_tickcmp_sel[0]), |
---|
| 2008 | .sel1 (tlu_tickcmp_sel[1]), |
---|
| 2009 | .sel2 (tlu_tickcmp_sel[2]), |
---|
| 2010 | .sel3 (tlu_tickcmp_sel[3]), |
---|
| 2011 | .dout (tickcmp_data[`TLU_ASR_DATA_WIDTH-4:0]) |
---|
| 2012 | ); |
---|
| 2013 | |
---|
| 2014 | // mux for read |
---|
| 2015 | mux4ds #(`TLU_ASR_DATA_WIDTH) tcmp_mx_rsel ( |
---|
| 2016 | .in0 (true_tickcmp0[`TLU_ASR_DATA_WIDTH-1:0]), |
---|
| 2017 | .in1 (true_tickcmp1[`TLU_ASR_DATA_WIDTH-1:0]), |
---|
| 2018 | .in2 (true_tickcmp2[`TLU_ASR_DATA_WIDTH-1:0]), |
---|
| 2019 | .in3 (true_tickcmp3[`TLU_ASR_DATA_WIDTH-1:0]), |
---|
| 2020 | .sel0 (tlu_thrd_rsel_e[0]), |
---|
| 2021 | .sel1 (tlu_thrd_rsel_e[1]), |
---|
| 2022 | .sel2 (tlu_thrd_rsel_e[2]), |
---|
| 2023 | .sel3 (tlu_thrd_rsel_e[3]), |
---|
| 2024 | .dout (tickcmp_rdata[`TLU_ASR_DATA_WIDTH-1:0]) |
---|
| 2025 | ); |
---|
| 2026 | `endif // !`ifdef FPGA_SYN_1THREAD |
---|
| 2027 | |
---|
| 2028 | // |
---|
| 2029 | // evaluate for tickcmp match |
---|
| 2030 | assign tick_match = |
---|
| 2031 | (tickcmp_data[`TICKCMP_RANGE_HI:`TICKCMP_RANGE_LO] == |
---|
| 2032 | true_tick[60:0]); |
---|
| 2033 | // |
---|
| 2034 | // moved from tlu_tcl |
---|
| 2035 | assign tickcmp_int[0] = |
---|
| 2036 | tick_match & ~true_tickcmp0[`TICKCMP_INTDIS] & tlu_tickcmp_sel[0]; |
---|
| 2037 | assign tickcmp_int[1] = |
---|
| 2038 | tick_match & ~true_tickcmp1[`TICKCMP_INTDIS] & tlu_tickcmp_sel[1]; |
---|
| 2039 | assign tickcmp_int[2] = |
---|
| 2040 | tick_match & ~true_tickcmp2[`TICKCMP_INTDIS] & tlu_tickcmp_sel[2]; |
---|
| 2041 | assign tickcmp_int[3] = |
---|
| 2042 | tick_match & ~true_tickcmp3[`TICKCMP_INTDIS] & tlu_tickcmp_sel[3]; |
---|
| 2043 | |
---|
| 2044 | //========================================================================================= |
---|
| 2045 | // STICK COMPARE for Threads |
---|
| 2046 | //========================================================================================= |
---|
| 2047 | // added for hypervisor support |
---|
| 2048 | |
---|
| 2049 | `ifdef FPGA_SYN_CLK_EN |
---|
| 2050 | `else |
---|
| 2051 | clken_buf clkbf_stcmp0 ( |
---|
| 2052 | .rclk (clk), |
---|
| 2053 | .enb_l (tlu_stickcmp_en_l[0]), |
---|
| 2054 | .tmb_l (se_l), |
---|
| 2055 | .clk (stcmp0_clk) |
---|
| 2056 | ); |
---|
| 2057 | `endif |
---|
| 2058 | |
---|
| 2059 | `ifdef FPGA_SYN_CLK_EN |
---|
| 2060 | `else |
---|
| 2061 | clken_buf clkbf_stcmp1 ( |
---|
| 2062 | .rclk (clk), |
---|
| 2063 | .enb_l (tlu_stickcmp_en_l[1]), |
---|
| 2064 | .tmb_l (se_l), |
---|
| 2065 | .clk (stcmp1_clk) |
---|
| 2066 | ); |
---|
| 2067 | `endif |
---|
| 2068 | |
---|
| 2069 | `ifdef FPGA_SYN_CLK_EN |
---|
| 2070 | `else |
---|
| 2071 | clken_buf clkbf_stcmp2 ( |
---|
| 2072 | .rclk (clk), |
---|
| 2073 | .enb_l (tlu_stickcmp_en_l[2]), |
---|
| 2074 | .tmb_l (se_l), |
---|
| 2075 | .clk (stcmp2_clk) |
---|
| 2076 | ); |
---|
| 2077 | `endif |
---|
| 2078 | |
---|
| 2079 | `ifdef FPGA_SYN_CLK_EN |
---|
| 2080 | `else |
---|
| 2081 | clken_buf clkbf_stcmp3 ( |
---|
| 2082 | .rclk (clk), |
---|
| 2083 | .enb_l (tlu_stickcmp_en_l[3]), |
---|
| 2084 | .tmb_l (se_l), |
---|
| 2085 | .clk (stcmp3_clk) |
---|
| 2086 | ); |
---|
| 2087 | `endif |
---|
| 2088 | |
---|
| 2089 | // thread 0 |
---|
| 2090 | // added or modified due to stickcmp clean-up |
---|
| 2091 | assign stickcmp_intdis_din[0] = tickcmp_intdis_din[0]; |
---|
| 2092 | // added and modified for bug 4763 |
---|
| 2093 | assign stickcmp_intdis_en[0] = |
---|
| 2094 | ~tlu_stickcmp_en_l[0] | local_rst | tlu_por_rstint_g[0]; |
---|
| 2095 | |
---|
| 2096 | dffe_s dffe_stickcmp_intdis0 ( |
---|
| 2097 | .din (stickcmp_intdis_din[0]), |
---|
| 2098 | .q (true_stickcmp0[`TICKCMP_INTDIS]), |
---|
| 2099 | .en (stickcmp_intdis_en[0]), |
---|
| 2100 | .clk (clk), |
---|
| 2101 | .se (se), |
---|
| 2102 | .si (), |
---|
| 2103 | .so () |
---|
| 2104 | ); |
---|
| 2105 | |
---|
| 2106 | `ifdef FPGA_SYN_CLK_DFF |
---|
| 2107 | dffe_s #(`TLU_ASR_DATA_WIDTH-1) stickcmp0 ( |
---|
| 2108 | .din (tlu_wsr_data_w[`TLU_ASR_DATA_WIDTH-2:0]), |
---|
| 2109 | .q (true_stickcmp0[`TLU_ASR_DATA_WIDTH-2:0]), |
---|
| 2110 | .en (~(tlu_stickcmp_en_l[0])), .clk(clk), |
---|
| 2111 | .se (se), |
---|
| 2112 | .si (), |
---|
| 2113 | .so () |
---|
| 2114 | ); |
---|
| 2115 | `else |
---|
| 2116 | dff_s #(`TLU_ASR_DATA_WIDTH-1) stickcmp0 ( |
---|
| 2117 | .din (tlu_wsr_data_w[`TLU_ASR_DATA_WIDTH-2:0]), |
---|
| 2118 | .q (true_stickcmp0[`TLU_ASR_DATA_WIDTH-2:0]), |
---|
| 2119 | .clk (stcmp0_clk), |
---|
| 2120 | .se (se), |
---|
| 2121 | .si (), |
---|
| 2122 | .so () |
---|
| 2123 | ); |
---|
| 2124 | `endif |
---|
| 2125 | |
---|
| 2126 | // thread 1 |
---|
| 2127 | // added or modified due to stickcmp clean-up |
---|
| 2128 | assign stickcmp_intdis_din[1] = tickcmp_intdis_din[1]; |
---|
| 2129 | // added and modified for bug 4763 |
---|
| 2130 | assign stickcmp_intdis_en[1] = |
---|
| 2131 | ~tlu_stickcmp_en_l[1] | local_rst | tlu_por_rstint_g[1]; |
---|
| 2132 | |
---|
| 2133 | dffe_s dffe_stickcmp_intdis1 ( |
---|
| 2134 | .din (stickcmp_intdis_din[1]), |
---|
| 2135 | .q (true_stickcmp1[`TICKCMP_INTDIS]), |
---|
| 2136 | .en (stickcmp_intdis_en[1]), |
---|
| 2137 | .clk (clk), |
---|
| 2138 | .se (se), |
---|
| 2139 | .si (), |
---|
| 2140 | .so () |
---|
| 2141 | ); |
---|
| 2142 | |
---|
| 2143 | `ifdef FPGA_SYN_CLK_DFF |
---|
| 2144 | dffe_s #(`TLU_ASR_DATA_WIDTH-1) stickcmp1 ( |
---|
| 2145 | .din (tlu_wsr_data_w[`TLU_ASR_DATA_WIDTH-2:0]), |
---|
| 2146 | .q (true_stickcmp1[`TLU_ASR_DATA_WIDTH-2:0]), |
---|
| 2147 | .en (~(tlu_stickcmp_en_l[1])), .clk(clk), |
---|
| 2148 | .se (se), |
---|
| 2149 | .si (), |
---|
| 2150 | .so () |
---|
| 2151 | ); |
---|
| 2152 | `else |
---|
| 2153 | dff_s #(`TLU_ASR_DATA_WIDTH-1) stickcmp1 ( |
---|
| 2154 | .din (tlu_wsr_data_w[`TLU_ASR_DATA_WIDTH-2:0]), |
---|
| 2155 | .q (true_stickcmp1[`TLU_ASR_DATA_WIDTH-2:0]), |
---|
| 2156 | .clk (stcmp1_clk), |
---|
| 2157 | .se (se), |
---|
| 2158 | .si (), |
---|
| 2159 | .so () |
---|
| 2160 | ); |
---|
| 2161 | `endif |
---|
| 2162 | |
---|
| 2163 | // thread 2 |
---|
| 2164 | // added or modified due to stickcmp clean-up |
---|
| 2165 | assign stickcmp_intdis_din[2] = tickcmp_intdis_din[2]; |
---|
| 2166 | // added for bug 4763 |
---|
| 2167 | assign stickcmp_intdis_en[2] = |
---|
| 2168 | ~tlu_stickcmp_en_l[2] | local_rst | tlu_por_rstint_g[2]; |
---|
| 2169 | |
---|
| 2170 | dffe_s dffe_stickcmp_intdis2 ( |
---|
| 2171 | .din (stickcmp_intdis_din[2]), |
---|
| 2172 | .q (true_stickcmp2[`TICKCMP_INTDIS]), |
---|
| 2173 | .en (stickcmp_intdis_en[2]), |
---|
| 2174 | .clk (clk), |
---|
| 2175 | .se (se), |
---|
| 2176 | .si (), |
---|
| 2177 | .so () |
---|
| 2178 | ); |
---|
| 2179 | |
---|
| 2180 | `ifdef FPGA_SYN_CLK_DFF |
---|
| 2181 | dffe_s #(`TLU_ASR_DATA_WIDTH-1) stickcmp2 ( |
---|
| 2182 | .din (tlu_wsr_data_w[`TLU_ASR_DATA_WIDTH-2:0]), |
---|
| 2183 | .q (true_stickcmp2[`TLU_ASR_DATA_WIDTH-2:0]), |
---|
| 2184 | .en (~(tlu_stickcmp_en_l[2])), .clk(clk), |
---|
| 2185 | .se (se), |
---|
| 2186 | .si (), |
---|
| 2187 | .so () |
---|
| 2188 | ); |
---|
| 2189 | `else |
---|
| 2190 | dff_s #(`TLU_ASR_DATA_WIDTH-1) stickcmp2 ( |
---|
| 2191 | .din (tlu_wsr_data_w[`TLU_ASR_DATA_WIDTH-2:0]), |
---|
| 2192 | .q (true_stickcmp2[`TLU_ASR_DATA_WIDTH-2:0]), |
---|
| 2193 | .clk (stcmp2_clk), |
---|
| 2194 | .se (se), |
---|
| 2195 | .si (), |
---|
| 2196 | .so () |
---|
| 2197 | ); |
---|
| 2198 | `endif |
---|
| 2199 | |
---|
| 2200 | // thread 3 |
---|
| 2201 | // added or modified due to stickcmp clean-up |
---|
| 2202 | assign stickcmp_intdis_din[3] = tickcmp_intdis_din[3]; |
---|
| 2203 | // added and modified for bug 4763 |
---|
| 2204 | assign stickcmp_intdis_en[3] = |
---|
| 2205 | ~tlu_stickcmp_en_l[3] | local_rst | tlu_por_rstint_g[3]; |
---|
| 2206 | |
---|
| 2207 | dffe_s dffe_stickcmp_intdis3 ( |
---|
| 2208 | .din (stickcmp_intdis_din[3]), |
---|
| 2209 | .q (true_stickcmp3[`TICKCMP_INTDIS]), |
---|
| 2210 | .en (stickcmp_intdis_en[3]), |
---|
| 2211 | .clk (clk), |
---|
| 2212 | .se (se), |
---|
| 2213 | .si (), |
---|
| 2214 | .so () |
---|
| 2215 | ); |
---|
| 2216 | |
---|
| 2217 | `ifdef FPGA_SYN_CLK_DFF |
---|
| 2218 | dffe_s #(`TLU_ASR_DATA_WIDTH-1) stickcmp3 ( |
---|
| 2219 | .din (tlu_wsr_data_w[`TLU_ASR_DATA_WIDTH-2:0]), |
---|
| 2220 | .q (true_stickcmp3[`TLU_ASR_DATA_WIDTH-2:0]), |
---|
| 2221 | .en (~(tlu_stickcmp_en_l[3])), .clk(clk), |
---|
| 2222 | .se (se), |
---|
| 2223 | .si (), |
---|
| 2224 | .so () |
---|
| 2225 | ); |
---|
| 2226 | `else |
---|
| 2227 | dff_s #(`TLU_ASR_DATA_WIDTH-1) stickcmp3 ( |
---|
| 2228 | .din (tlu_wsr_data_w[`TLU_ASR_DATA_WIDTH-2:0]), |
---|
| 2229 | .q (true_stickcmp3[`TLU_ASR_DATA_WIDTH-2:0]), |
---|
| 2230 | .clk (stcmp3_clk), |
---|
| 2231 | .se (se), |
---|
| 2232 | .si (), |
---|
| 2233 | .so () |
---|
| 2234 | ); |
---|
| 2235 | `endif // !`ifdef FPGA_SYN_CLK_DFF |
---|
| 2236 | |
---|
| 2237 | // Select 1/4 sources. Assume compare is independent of read |
---|
| 2238 | // and thus needs separate mux |
---|
| 2239 | |
---|
| 2240 | `ifdef FPGA_SYN_1THREAD |
---|
| 2241 | assign stickcmp_data[`TLU_ASR_DATA_WIDTH-4:0] = true_stickcmp0[`TLU_ASR_DATA_WIDTH-2:2]; |
---|
| 2242 | assign stickcmp_rdata[`TLU_ASR_DATA_WIDTH-1:0] = true_stickcmp0[`TLU_ASR_DATA_WIDTH-1:0]; |
---|
| 2243 | `else |
---|
| 2244 | |
---|
| 2245 | mux4ds #(`TLU_ASR_DATA_WIDTH-3) mux_stickcmp_data ( |
---|
| 2246 | .in0 (true_stickcmp0[`TLU_ASR_DATA_WIDTH-2:2]), |
---|
| 2247 | .in1 (true_stickcmp1[`TLU_ASR_DATA_WIDTH-2:2]), |
---|
| 2248 | .in2 (true_stickcmp2[`TLU_ASR_DATA_WIDTH-2:2]), |
---|
| 2249 | .in3 (true_stickcmp3[`TLU_ASR_DATA_WIDTH-2:2]), |
---|
| 2250 | .sel0 (tlu_tickcmp_sel[0]), |
---|
| 2251 | .sel1 (tlu_tickcmp_sel[1]), |
---|
| 2252 | .sel2 (tlu_tickcmp_sel[2]), |
---|
| 2253 | .sel3 (tlu_tickcmp_sel[3]), |
---|
| 2254 | .dout (stickcmp_data[`TLU_ASR_DATA_WIDTH-4:0]) |
---|
| 2255 | ); |
---|
| 2256 | // |
---|
| 2257 | // mux for read |
---|
| 2258 | mux4ds #(`TLU_ASR_DATA_WIDTH) mux_stickcmp_rdata ( |
---|
| 2259 | .in0 (true_stickcmp0[`TLU_ASR_DATA_WIDTH-1:0]), |
---|
| 2260 | .in1 (true_stickcmp1[`TLU_ASR_DATA_WIDTH-1:0]), |
---|
| 2261 | .in2 (true_stickcmp2[`TLU_ASR_DATA_WIDTH-1:0]), |
---|
| 2262 | .in3 (true_stickcmp3[`TLU_ASR_DATA_WIDTH-1:0]), |
---|
| 2263 | .sel0 (tlu_thrd_rsel_e[0]), |
---|
| 2264 | .sel1 (tlu_thrd_rsel_e[1]), |
---|
| 2265 | .sel2 (tlu_thrd_rsel_e[2]), |
---|
| 2266 | .sel3 (tlu_thrd_rsel_e[3]), |
---|
| 2267 | .dout (stickcmp_rdata[`TLU_ASR_DATA_WIDTH-1:0]) |
---|
| 2268 | ); |
---|
| 2269 | `endif // !`ifdef FPGA_SYN_1THREAD |
---|
| 2270 | |
---|
| 2271 | // |
---|
| 2272 | // evaluate for stickcmp match |
---|
| 2273 | assign stick_match = |
---|
| 2274 | (stickcmp_data[`TICKCMP_RANGE_HI:`TICKCMP_RANGE_LO] == |
---|
| 2275 | true_tick[60:0]); |
---|
| 2276 | // |
---|
| 2277 | // moved from tlu_tcl |
---|
| 2278 | assign stickcmp_int[0] = |
---|
| 2279 | stick_match & ~true_stickcmp0[`TICKCMP_INTDIS] & tlu_tickcmp_sel[0]; |
---|
| 2280 | assign stickcmp_int[1] = |
---|
| 2281 | stick_match & ~true_stickcmp1[`TICKCMP_INTDIS] & tlu_tickcmp_sel[1]; |
---|
| 2282 | assign stickcmp_int[2] = |
---|
| 2283 | stick_match & ~true_stickcmp2[`TICKCMP_INTDIS] & tlu_tickcmp_sel[2]; |
---|
| 2284 | assign stickcmp_int[3] = |
---|
| 2285 | stick_match & ~true_stickcmp3[`TICKCMP_INTDIS] & tlu_tickcmp_sel[3]; |
---|
| 2286 | |
---|
| 2287 | //========================================================================================= |
---|
| 2288 | // HTICK COMPARE for Threads |
---|
| 2289 | //========================================================================================= |
---|
| 2290 | // added for hypervisor support |
---|
| 2291 | |
---|
| 2292 | `ifdef FPGA_SYN_CLK_EN |
---|
| 2293 | `else |
---|
| 2294 | clken_buf clkbf_htcmp0 ( |
---|
| 2295 | .rclk (clk), |
---|
| 2296 | .enb_l (tlu_htickcmp_en_l[0]), |
---|
| 2297 | .tmb_l (se_l), |
---|
| 2298 | .clk (htcmp0_clk) |
---|
| 2299 | ); |
---|
| 2300 | `endif |
---|
| 2301 | |
---|
| 2302 | `ifdef FPGA_SYN_CLK_EN |
---|
| 2303 | `else |
---|
| 2304 | clken_buf clkbf_htcmp1 ( |
---|
| 2305 | .rclk (clk), |
---|
| 2306 | .enb_l (tlu_htickcmp_en_l[1]), |
---|
| 2307 | .tmb_l (se_l), |
---|
| 2308 | .clk (htcmp1_clk) |
---|
| 2309 | ); |
---|
| 2310 | `endif |
---|
| 2311 | |
---|
| 2312 | `ifdef FPGA_SYN_CLK_EN |
---|
| 2313 | `else |
---|
| 2314 | clken_buf clkbf_htcmp2 ( |
---|
| 2315 | .rclk (clk), |
---|
| 2316 | .enb_l (tlu_htickcmp_en_l[2]), |
---|
| 2317 | .tmb_l (se_l), |
---|
| 2318 | .clk (htcmp2_clk) |
---|
| 2319 | ); |
---|
| 2320 | `endif |
---|
| 2321 | |
---|
| 2322 | `ifdef FPGA_SYN_CLK_EN |
---|
| 2323 | `else |
---|
| 2324 | clken_buf clkbf_htcmp3 ( |
---|
| 2325 | .rclk (clk), |
---|
| 2326 | .enb_l (tlu_htickcmp_en_l[3]), |
---|
| 2327 | .tmb_l (se_l), |
---|
| 2328 | .clk (htcmp3_clk) |
---|
| 2329 | ); |
---|
| 2330 | `endif |
---|
| 2331 | |
---|
| 2332 | // THREAD0 |
---|
| 2333 | `ifdef FPGA_SYN_CLK_DFF |
---|
| 2334 | dffe_s #(`TLU_ASR_DATA_WIDTH-1) htickcmp0 ( |
---|
| 2335 | .din (tlu_wsr_data_w[`TLU_ASR_DATA_WIDTH-2:0]), |
---|
| 2336 | .q (true_htickcmp0[`TLU_ASR_DATA_WIDTH-2:0]), |
---|
| 2337 | .en (~(tlu_htickcmp_en_l[0])), .clk(clk), |
---|
| 2338 | .se (se), |
---|
| 2339 | .si (), |
---|
| 2340 | .so () |
---|
| 2341 | ); |
---|
| 2342 | `else |
---|
| 2343 | dff_s #(`TLU_ASR_DATA_WIDTH-1) htickcmp0 ( |
---|
| 2344 | .din (tlu_wsr_data_w[`TLU_ASR_DATA_WIDTH-2:0]), |
---|
| 2345 | .q (true_htickcmp0[`TLU_ASR_DATA_WIDTH-2:0]), |
---|
| 2346 | .clk (htcmp0_clk), |
---|
| 2347 | .se (se), |
---|
| 2348 | .si (), |
---|
| 2349 | .so () |
---|
| 2350 | ); |
---|
| 2351 | `endif |
---|
| 2352 | |
---|
| 2353 | // THREAD1 |
---|
| 2354 | `ifdef FPGA_SYN_CLK_DFF |
---|
| 2355 | dffe_s #(`TLU_ASR_DATA_WIDTH-1) htickcmp1 ( |
---|
| 2356 | .din (tlu_wsr_data_w[`TLU_ASR_DATA_WIDTH-2:0]), |
---|
| 2357 | .q (true_htickcmp1[`TLU_ASR_DATA_WIDTH-2:0]), |
---|
| 2358 | .en (~(tlu_htickcmp_en_l[1])), .clk(clk), |
---|
| 2359 | .se (se), |
---|
| 2360 | .si (), |
---|
| 2361 | .so () |
---|
| 2362 | ); |
---|
| 2363 | `else |
---|
| 2364 | dff_s #(`TLU_ASR_DATA_WIDTH-1) htickcmp1 ( |
---|
| 2365 | .din (tlu_wsr_data_w[`TLU_ASR_DATA_WIDTH-2:0]), |
---|
| 2366 | .q (true_htickcmp1[`TLU_ASR_DATA_WIDTH-2:0]), |
---|
| 2367 | .clk (htcmp1_clk), |
---|
| 2368 | .se (se), |
---|
| 2369 | .si (), |
---|
| 2370 | .so () |
---|
| 2371 | ); |
---|
| 2372 | `endif |
---|
| 2373 | |
---|
| 2374 | // THREAD2 |
---|
| 2375 | `ifdef FPGA_SYN_CLK_DFF |
---|
| 2376 | dffe_s #(`TLU_ASR_DATA_WIDTH-1) htickcmp2 ( |
---|
| 2377 | .din (tlu_wsr_data_w[`TLU_ASR_DATA_WIDTH-2:0]), |
---|
| 2378 | .q (true_htickcmp2[`TLU_ASR_DATA_WIDTH-2:0]), |
---|
| 2379 | .en (~(tlu_htickcmp_en_l[2])), .clk(clk), |
---|
| 2380 | .se (se), |
---|
| 2381 | .si (), |
---|
| 2382 | .so () |
---|
| 2383 | ); |
---|
| 2384 | `else |
---|
| 2385 | dff_s #(`TLU_ASR_DATA_WIDTH-1) htickcmp2 ( |
---|
| 2386 | .din (tlu_wsr_data_w[`TLU_ASR_DATA_WIDTH-2:0]), |
---|
| 2387 | .q (true_htickcmp2[`TLU_ASR_DATA_WIDTH-2:0]), |
---|
| 2388 | .clk (htcmp2_clk), |
---|
| 2389 | .se (se), |
---|
| 2390 | .si (), |
---|
| 2391 | .so () |
---|
| 2392 | ); |
---|
| 2393 | `endif |
---|
| 2394 | |
---|
| 2395 | // THREAD3 |
---|
| 2396 | `ifdef FPGA_SYN_CLK_DFF |
---|
| 2397 | dffe_s #(`TLU_ASR_DATA_WIDTH-1) htickcmp3 ( |
---|
| 2398 | .din (tlu_wsr_data_w[`TLU_ASR_DATA_WIDTH-2:0]), |
---|
| 2399 | .q (true_htickcmp3[`TLU_ASR_DATA_WIDTH-2:0]), |
---|
| 2400 | .en (~(tlu_htickcmp_en_l[3])), .clk(clk), |
---|
| 2401 | .se (se), |
---|
| 2402 | .si (), |
---|
| 2403 | .so () |
---|
| 2404 | ); |
---|
| 2405 | `else |
---|
| 2406 | dff_s #(`TLU_ASR_DATA_WIDTH-1) htickcmp3 ( |
---|
| 2407 | .din (tlu_wsr_data_w[`TLU_ASR_DATA_WIDTH-2:0]), |
---|
| 2408 | .q (true_htickcmp3[`TLU_ASR_DATA_WIDTH-2:0]), |
---|
| 2409 | .clk (htcmp3_clk), |
---|
| 2410 | .se (se), |
---|
| 2411 | .si (), |
---|
| 2412 | .so () |
---|
| 2413 | ); |
---|
| 2414 | `endif |
---|
| 2415 | |
---|
| 2416 | |
---|
| 2417 | // Select 1/4 sources. Assume compare is independent of read |
---|
| 2418 | // and thus needs separate mux |
---|
| 2419 | `ifdef FPGA_SYN_1THREAD |
---|
| 2420 | assign htickcmp_data[`TLU_ASR_DATA_WIDTH-4:0] = true_htickcmp0[`TLU_ASR_DATA_WIDTH-2:2]; |
---|
| 2421 | assign htickcmp_rdata[`TLU_ASR_DATA_WIDTH-2:0] = true_htickcmp0[`TLU_ASR_DATA_WIDTH-2:0]; |
---|
| 2422 | `else |
---|
| 2423 | |
---|
| 2424 | mux4ds #(`TLU_ASR_DATA_WIDTH-3) mux_htickcmp_data ( |
---|
| 2425 | .in0 (true_htickcmp0[`TLU_ASR_DATA_WIDTH-2:2]), |
---|
| 2426 | .in1 (true_htickcmp1[`TLU_ASR_DATA_WIDTH-2:2]), |
---|
| 2427 | .in2 (true_htickcmp2[`TLU_ASR_DATA_WIDTH-2:2]), |
---|
| 2428 | .in3 (true_htickcmp3[`TLU_ASR_DATA_WIDTH-2:2]), |
---|
| 2429 | .sel0 (tlu_tickcmp_sel[0]), |
---|
| 2430 | .sel1 (tlu_tickcmp_sel[1]), |
---|
| 2431 | .sel2 (tlu_tickcmp_sel[2]), |
---|
| 2432 | .sel3 (tlu_tickcmp_sel[3]), |
---|
| 2433 | .dout (htickcmp_data[`TLU_ASR_DATA_WIDTH-4:0]) |
---|
| 2434 | ); |
---|
| 2435 | // |
---|
| 2436 | // mux for read |
---|
| 2437 | mux4ds #(`TLU_ASR_DATA_WIDTH-1) mux_htickcmp_rdata ( |
---|
| 2438 | .in0 (true_htickcmp0[`TLU_ASR_DATA_WIDTH-2:0]), |
---|
| 2439 | .in1 (true_htickcmp1[`TLU_ASR_DATA_WIDTH-2:0]), |
---|
| 2440 | .in2 (true_htickcmp2[`TLU_ASR_DATA_WIDTH-2:0]), |
---|
| 2441 | .in3 (true_htickcmp3[`TLU_ASR_DATA_WIDTH-2:0]), |
---|
| 2442 | .sel0 (tlu_thrd_rsel_e[0]), |
---|
| 2443 | .sel1 (tlu_thrd_rsel_e[1]), |
---|
| 2444 | .sel2 (tlu_thrd_rsel_e[2]), |
---|
| 2445 | .sel3 (tlu_thrd_rsel_e[3]), |
---|
| 2446 | .dout (htickcmp_rdata[`TLU_ASR_DATA_WIDTH-2:0]) |
---|
| 2447 | ); |
---|
| 2448 | `endif // !`ifdef FPGA_SYN_1THREAD |
---|
| 2449 | |
---|
| 2450 | // |
---|
| 2451 | // evaluate for htickcmp match |
---|
| 2452 | assign tlu_htick_match = |
---|
| 2453 | (htickcmp_data[`TICKCMP_RANGE_HI:`TICKCMP_RANGE_LO] == |
---|
| 2454 | true_tick[60:0]); |
---|
| 2455 | // |
---|
| 2456 | //========================================================================================= |
---|
| 2457 | // HINTP REG for Threads |
---|
| 2458 | //========================================================================================= |
---|
| 2459 | // added for hypervisor support |
---|
| 2460 | // modified for timing |
---|
| 2461 | // creating clocks for accessing the hintp regs |
---|
| 2462 | assign tlu_hintp_en_l_g[0] = |
---|
| 2463 | ~(tlu_set_hintp_g[0] | tlu_wr_hintp_g[0]); |
---|
| 2464 | assign tlu_hintp_en_l_g[1] = |
---|
| 2465 | ~(tlu_set_hintp_g[1] | tlu_wr_hintp_g[1]); |
---|
| 2466 | assign tlu_hintp_en_l_g[2] = |
---|
| 2467 | ~(tlu_set_hintp_g[2] | tlu_wr_hintp_g[2]); |
---|
| 2468 | assign tlu_hintp_en_l_g[3] = |
---|
| 2469 | ~(tlu_set_hintp_g[3] | tlu_wr_hintp_g[3]); |
---|
| 2470 | |
---|
| 2471 | `ifdef FPGA_SYN_CLK_EN |
---|
| 2472 | `else |
---|
| 2473 | clken_buf clkbf_hintp0 ( |
---|
| 2474 | .rclk (clk), |
---|
| 2475 | .enb_l (tlu_hintp_en_l_g[0]), |
---|
| 2476 | .tmb_l (se_l), |
---|
| 2477 | .clk (hintp0_clk) |
---|
| 2478 | ); |
---|
| 2479 | `endif |
---|
| 2480 | |
---|
| 2481 | `ifdef FPGA_SYN_CLK_EN |
---|
| 2482 | `else |
---|
| 2483 | clken_buf clkbf_hintp1 ( |
---|
| 2484 | .rclk (clk), |
---|
| 2485 | .enb_l (tlu_hintp_en_l_g[1]), |
---|
| 2486 | .tmb_l (se_l), |
---|
| 2487 | .clk (hintp1_clk) |
---|
| 2488 | ); |
---|
| 2489 | `endif |
---|
| 2490 | |
---|
| 2491 | `ifdef FPGA_SYN_CLK_EN |
---|
| 2492 | `else |
---|
| 2493 | clken_buf clkbf_hintp2 ( |
---|
| 2494 | .rclk (clk), |
---|
| 2495 | .enb_l (tlu_hintp_en_l_g[2]), |
---|
| 2496 | .tmb_l (se_l), |
---|
| 2497 | .clk (hintp2_clk) |
---|
| 2498 | ); |
---|
| 2499 | `endif |
---|
| 2500 | |
---|
| 2501 | `ifdef FPGA_SYN_CLK_EN |
---|
| 2502 | `else |
---|
| 2503 | clken_buf clkbf_hintp3 ( |
---|
| 2504 | .rclk (clk), |
---|
| 2505 | .enb_l (tlu_hintp_en_l_g[3]), |
---|
| 2506 | .tmb_l (se_l), |
---|
| 2507 | .clk (hintp3_clk) |
---|
| 2508 | ); |
---|
| 2509 | `endif |
---|
| 2510 | // |
---|
| 2511 | // setting the value of hintp registers |
---|
| 2512 | // |
---|
| 2513 | // Thread 0 |
---|
| 2514 | // added for timing |
---|
| 2515 | assign tlu_set_hintp_g[0] = |
---|
| 2516 | tlu_set_hintp_sel_g[0] & tlu_htick_match; |
---|
| 2517 | |
---|
| 2518 | // modified to reflect the physical implementation |
---|
| 2519 | // assign hintp_din[0] = |
---|
| 2520 | // (tlu_set_hintp_g[0])? tlu_set_hintp_g[0]: wsr_data_w[0]; |
---|
| 2521 | |
---|
| 2522 | mux2ds mx_hintp_din_0 ( |
---|
| 2523 | .in0 (tlu_set_hintp_g[0]), |
---|
| 2524 | .in1 (wsr_data_w[0]), |
---|
| 2525 | .sel0 (tlu_set_hintp_g[0]), |
---|
| 2526 | .sel1 (~tlu_set_hintp_g[0]), |
---|
| 2527 | .dout (hintp_din[0]) |
---|
| 2528 | ); |
---|
| 2529 | |
---|
| 2530 | `ifdef FPGA_SYN_CLK_DFF |
---|
| 2531 | dffre_s dffr_hintp0 ( |
---|
| 2532 | .din (hintp_din[0]), |
---|
| 2533 | .q (tlu_hintp[0]), |
---|
| 2534 | .en (~(tlu_hintp_en_l_g[0])), .clk(clk), |
---|
| 2535 | .rst (local_rst), |
---|
| 2536 | .se (se), |
---|
| 2537 | .si (), |
---|
| 2538 | .so () |
---|
| 2539 | ); |
---|
| 2540 | `else |
---|
| 2541 | dffr_s dffr_hintp0 ( |
---|
| 2542 | .din (hintp_din[0]), |
---|
| 2543 | .q (tlu_hintp[0]), |
---|
| 2544 | .clk (hintp0_clk), |
---|
| 2545 | .rst (local_rst), |
---|
| 2546 | .se (se), |
---|
| 2547 | .si (), |
---|
| 2548 | .so () |
---|
| 2549 | ); |
---|
| 2550 | `endif |
---|
| 2551 | |
---|
| 2552 | // Thread 1 |
---|
| 2553 | // added for timing |
---|
| 2554 | assign tlu_set_hintp_g[1] = |
---|
| 2555 | tlu_set_hintp_sel_g[1] & tlu_htick_match; |
---|
| 2556 | |
---|
| 2557 | // modified to reflect the physical implementation |
---|
| 2558 | // assign hintp_din[1] = |
---|
| 2559 | // (tlu_set_hintp_g[1])? tlu_set_hintp_g[1]: wsr_data_w[0]; |
---|
| 2560 | |
---|
| 2561 | mux2ds mx_hintp_din_1 ( |
---|
| 2562 | .in0 (tlu_set_hintp_g[1]), |
---|
| 2563 | .in1 (wsr_data_w[0]), |
---|
| 2564 | .sel0 (tlu_set_hintp_g[1]), |
---|
| 2565 | .sel1 (~tlu_set_hintp_g[1]), |
---|
| 2566 | .dout (hintp_din[1]) |
---|
| 2567 | ); |
---|
| 2568 | |
---|
| 2569 | `ifdef FPGA_SYN_CLK_DFF |
---|
| 2570 | dffre_s dffr_hintp1 ( |
---|
| 2571 | .din (hintp_din[1]), |
---|
| 2572 | .q (tlu_hintp[1]), |
---|
| 2573 | .en (~(tlu_hintp_en_l_g[1])), .clk(clk), |
---|
| 2574 | .rst (local_rst), |
---|
| 2575 | .se (se), |
---|
| 2576 | .si (), |
---|
| 2577 | .so () |
---|
| 2578 | ); |
---|
| 2579 | `else |
---|
| 2580 | dffr_s dffr_hintp1 ( |
---|
| 2581 | .din (hintp_din[1]), |
---|
| 2582 | .q (tlu_hintp[1]), |
---|
| 2583 | .clk (hintp1_clk), |
---|
| 2584 | .rst (local_rst), |
---|
| 2585 | .se (se), |
---|
| 2586 | .si (), |
---|
| 2587 | .so () |
---|
| 2588 | ); |
---|
| 2589 | `endif |
---|
| 2590 | |
---|
| 2591 | // Thread 2 |
---|
| 2592 | // added for timing |
---|
| 2593 | assign tlu_set_hintp_g[2] = |
---|
| 2594 | tlu_set_hintp_sel_g[2] & tlu_htick_match; |
---|
| 2595 | |
---|
| 2596 | // modified to reflect the physical implementation |
---|
| 2597 | // assign hintp_din[2] = |
---|
| 2598 | // (tlu_set_hintp_g[2])? tlu_set_hintp_g[2]: wsr_data_w[0]; |
---|
| 2599 | |
---|
| 2600 | mux2ds mx_hintp_din_2 ( |
---|
| 2601 | .in0 (tlu_set_hintp_g[2]), |
---|
| 2602 | .in1 (wsr_data_w[0]), |
---|
| 2603 | .sel0 (tlu_set_hintp_g[2]), |
---|
| 2604 | .sel1 (~tlu_set_hintp_g[2]), |
---|
| 2605 | .dout (hintp_din[2]) |
---|
| 2606 | ); |
---|
| 2607 | |
---|
| 2608 | `ifdef FPGA_SYN_CLK_DFF |
---|
| 2609 | dffre_s dffr_hintp2 ( |
---|
| 2610 | .din (hintp_din[2]), |
---|
| 2611 | .q (tlu_hintp[2]), |
---|
| 2612 | .en (~(tlu_hintp_en_l_g[2])), .clk(clk), |
---|
| 2613 | .rst (local_rst), |
---|
| 2614 | .se (se), |
---|
| 2615 | .si (), |
---|
| 2616 | .so () |
---|
| 2617 | ); |
---|
| 2618 | `else |
---|
| 2619 | dffr_s dffr_hintp2 ( |
---|
| 2620 | .din (hintp_din[2]), |
---|
| 2621 | .q (tlu_hintp[2]), |
---|
| 2622 | .clk (hintp2_clk), |
---|
| 2623 | .rst (local_rst), |
---|
| 2624 | .se (se), |
---|
| 2625 | .si (), |
---|
| 2626 | .so () |
---|
| 2627 | ); |
---|
| 2628 | `endif |
---|
| 2629 | |
---|
| 2630 | // Thread 3 |
---|
| 2631 | // added for timing |
---|
| 2632 | assign tlu_set_hintp_g[3] = |
---|
| 2633 | tlu_set_hintp_sel_g[3] & tlu_htick_match; |
---|
| 2634 | |
---|
| 2635 | // modified to reflect the physical implementation |
---|
| 2636 | // assign hintp_din[3] = |
---|
| 2637 | // (tlu_set_hintp_g[3])? tlu_set_hintp_g[3]: wsr_data_w[0]; |
---|
| 2638 | |
---|
| 2639 | mux2ds mx_hintp_din_3 ( |
---|
| 2640 | .in0 (tlu_set_hintp_g[3]), |
---|
| 2641 | .in1 (wsr_data_w[0]), |
---|
| 2642 | .sel0 (tlu_set_hintp_g[3]), |
---|
| 2643 | .sel1 (~tlu_set_hintp_g[3]), |
---|
| 2644 | .dout (hintp_din[3]) |
---|
| 2645 | ); |
---|
| 2646 | |
---|
| 2647 | `ifdef FPGA_SYN_CLK_DFF |
---|
| 2648 | dffre_s dffr_hintp3 ( |
---|
| 2649 | .din (hintp_din[3]), |
---|
| 2650 | .q (tlu_hintp[3]), |
---|
| 2651 | .en (~(tlu_hintp_en_l_g[3])), .clk(clk), |
---|
| 2652 | .rst (local_rst), |
---|
| 2653 | .se (se), |
---|
| 2654 | .si (), |
---|
| 2655 | .so () |
---|
| 2656 | ); |
---|
| 2657 | `else |
---|
| 2658 | dffr_s dffr_hintp3 ( |
---|
| 2659 | .din (hintp_din[3]), |
---|
| 2660 | .q (tlu_hintp[3]), |
---|
| 2661 | .clk (hintp3_clk), |
---|
| 2662 | .rst (local_rst), |
---|
| 2663 | .se (se), |
---|
| 2664 | .si (), |
---|
| 2665 | .so () |
---|
| 2666 | ); |
---|
| 2667 | `endif |
---|
| 2668 | |
---|
| 2669 | //========================================================================================= |
---|
| 2670 | // DONE/RETRY |
---|
| 2671 | //========================================================================================= |
---|
| 2672 | |
---|
| 2673 | // PC/nPC will be updated by pc/npc from IFU, |
---|
| 2674 | // OR, Done/Retry which reads TSA in E stage. Execution of Done/Retry will |
---|
| 2675 | // put pc/npc temporarily in bypass flop which will then update actual pc/npc |
---|
| 2676 | // in g. Update of pc/npc by inst_in_w or done/retry thus becomes aligned. |
---|
| 2677 | // recoded due to lint violations - individualized the components |
---|
| 2678 | /* |
---|
| 2679 | dff_s #(`TLU_TSA_WIDTH) poptsa_m ( |
---|
| 2680 | .din (tsa_rdata[`TLU_TSA_WIDTH-1:0]), |
---|
| 2681 | .q (tsa_data_m[`TLU_TSA_WIDTH-1:0]), |
---|
| 2682 | .clk (clk), |
---|
| 2683 | .se (se), |
---|
| 2684 | .si (), |
---|
| 2685 | .so () |
---|
| 2686 | ); |
---|
| 2687 | // |
---|
| 2688 | // added, modified for hypervisor and timing |
---|
| 2689 | assign dnrtry_pstate_m = |
---|
| 2690 | {2'b0, // old IG, MG - replaced by global register |
---|
| 2691 | tsa_data_m[`TSA_PSTATE_VRANGE2_HI:`TSA_PSTATE_VRANGE2_LO], |
---|
| 2692 | 2'b0, // memory model has been change to TSO only - bug 2588 |
---|
| 2693 | 1'b0, // old RED - replaced by hpstate.red |
---|
| 2694 | tsa_data_m[`TSA_PSTATE_VRANGE1_HI:`TSA_PSTATE_VRANGE1_LO], |
---|
| 2695 | 1'b0}; // old AG - replaced by global register |
---|
| 2696 | |
---|
| 2697 | dff_s #(12) dff_pstate_g ( |
---|
| 2698 | .din (dnrtry_pstate_m[`PSTATE_TRUE_WIDTH-1:0]), |
---|
| 2699 | .q (dnrtry_pstate[`PSTATE_TRUE_WIDTH-1:0]), |
---|
| 2700 | .clk (clk), |
---|
| 2701 | .se (se), |
---|
| 2702 | .si (), |
---|
| 2703 | .so () |
---|
| 2704 | ); |
---|
| 2705 | */ |
---|
| 2706 | // recoded due to lint violation |
---|
| 2707 | |
---|
| 2708 | dff_s #(`WSR_PSTATE_VR_WIDTH) dff_dnrtry_pstate_m ( |
---|
| 2709 | .din ({tsa_rdata[`TSA_PSTATE_VRANGE2_HI:`TSA_PSTATE_VRANGE2_LO], |
---|
| 2710 | tsa_rdata[`TSA_PSTATE_VRANGE1_HI:`TSA_PSTATE_VRANGE1_LO]}), |
---|
| 2711 | .q (dnrtry_pstate_m[`WSR_PSTATE_VR_WIDTH-1:0]), |
---|
| 2712 | .clk (clk), |
---|
| 2713 | .se (se), |
---|
| 2714 | .si (), |
---|
| 2715 | .so () |
---|
| 2716 | ); |
---|
| 2717 | |
---|
| 2718 | dff_s #(`WSR_PSTATE_VR_WIDTH) dff_pstate_g ( |
---|
| 2719 | .din (dnrtry_pstate_m[`WSR_PSTATE_VR_WIDTH-1:0]), |
---|
| 2720 | .q (dnrtry_pstate_g[`WSR_PSTATE_VR_WIDTH-1:0]), |
---|
| 2721 | .clk (clk), |
---|
| 2722 | .se (se), |
---|
| 2723 | .si (), |
---|
| 2724 | .so () |
---|
| 2725 | ); |
---|
| 2726 | |
---|
| 2727 | dff_s #(`WSR_PSTATE_VR_WIDTH) dff_pstate_w2 ( |
---|
| 2728 | .din (dnrtry_pstate_g[`WSR_PSTATE_VR_WIDTH-1:0]), |
---|
| 2729 | .q (dnrtry_pstate_w2[`WSR_PSTATE_VR_WIDTH-1:0]), |
---|
| 2730 | .clk (clk), |
---|
| 2731 | .se (se), |
---|
| 2732 | .si (), |
---|
| 2733 | .so () |
---|
| 2734 | ); |
---|
| 2735 | // assign dnrtry_pstate_m[`WSR_PSTATE_VR_WIDTH-1:0] = |
---|
| 2736 | // {tsa_data_m[`TSA_PSTATE_VRANGE2_HI:`TSA_PSTATE_VRANGE2_LO], |
---|
| 2737 | // tsa_data_m[`TSA_PSTATE_VRANGE1_HI:`TSA_PSTATE_VRANGE1_LO]}; |
---|
| 2738 | // |
---|
| 2739 | // reading hpstate from tsa for recovery |
---|
| 2740 | // recoded due to lint violations |
---|
| 2741 | |
---|
| 2742 | dff_s #(`TSA_HTSTATE_WIDTH) dff_tsa_dnrtry_hpstate_m ( |
---|
| 2743 | // .din (tsa_rdata[`TLU_HTSTATE_HI:`TLU_HTSTATE_LO]), |
---|
| 2744 | .din (tsa_rdata[`TLU_RD_HTSTATE_HI:`TLU_RD_HTSTATE_LO]), |
---|
| 2745 | .q (tsa_dnrtry_hpstate_m[`TSA_HTSTATE_WIDTH-1:0]), |
---|
| 2746 | .clk (clk), |
---|
| 2747 | .se (se), |
---|
| 2748 | .si (), |
---|
| 2749 | .so () |
---|
| 2750 | ); |
---|
| 2751 | |
---|
| 2752 | dff_s #(`TSA_HTSTATE_WIDTH) dff_tsa_dnrtry_hpstate_g ( |
---|
| 2753 | // .din (tsa_data_m[`TLU_HTSTATE_HI:`TLU_HTSTATE_LO]), |
---|
| 2754 | .din (tsa_dnrtry_hpstate_m[`TSA_HTSTATE_WIDTH-1:0]), |
---|
| 2755 | .q (tsa_dnrtry_hpstate_g[`TSA_HTSTATE_WIDTH-1:0]), |
---|
| 2756 | .clk (clk), |
---|
| 2757 | .se (se), |
---|
| 2758 | .si (), |
---|
| 2759 | .so () |
---|
| 2760 | ); |
---|
| 2761 | // |
---|
| 2762 | // added for timing |
---|
| 2763 | dff_s #(`TSA_HTSTATE_WIDTH) dff_tsa_dnrtry_hpstate_w2 ( |
---|
| 2764 | .din (tsa_dnrtry_hpstate_g[`TSA_HTSTATE_WIDTH-1:0]), |
---|
| 2765 | .q (tsa_dnrtry_hpstate_w2[`TSA_HTSTATE_WIDTH-1:0]), |
---|
| 2766 | .clk (clk), |
---|
| 2767 | .se (se), |
---|
| 2768 | .si (), |
---|
| 2769 | .so () |
---|
| 2770 | ); |
---|
| 2771 | |
---|
| 2772 | // reading value of original global registers from tsa for recovery |
---|
| 2773 | // recoded due to lint cleanup |
---|
| 2774 | // assign dnrtry_global_m = tsa_data_m[`TLU_GL_HI:`TLU_GL_LO]; |
---|
| 2775 | |
---|
| 2776 | dff_s #(`TSA_GLOBAL_WIDTH) dff_dnrtry_global_m ( |
---|
| 2777 | .din (tsa_rdata[`TLU_GL_HI:`TLU_GL_LO]), |
---|
| 2778 | .q (dnrtry_global_m[`TSA_GLOBAL_WIDTH-1:0]), |
---|
| 2779 | .clk (clk), |
---|
| 2780 | .se (se), |
---|
| 2781 | .si (), |
---|
| 2782 | .so () |
---|
| 2783 | ); |
---|
| 2784 | |
---|
| 2785 | dff_s #(`TSA_GLOBAL_WIDTH) dff_global_g ( |
---|
| 2786 | .din (dnrtry_global_m[`TSA_GLOBAL_WIDTH-1:0]), |
---|
| 2787 | .q (tlu_dnrtry_global_g[`TSA_GLOBAL_WIDTH-1:0]), |
---|
| 2788 | .clk (clk), |
---|
| 2789 | .se (se), |
---|
| 2790 | .si (), |
---|
| 2791 | .so () |
---|
| 2792 | ); |
---|
| 2793 | // |
---|
| 2794 | /* logic moved to tlu_misctl |
---|
| 2795 | // added due to lint violations |
---|
| 2796 | dff_s #(47) dff_tsa_pc_m ( |
---|
| 2797 | .din (tsa_rdata[`TLU_PC_HI:`TLU_PC_LO]), |
---|
| 2798 | .q (tsa_pc_m[46:0]), |
---|
| 2799 | .clk (clk), |
---|
| 2800 | .se (se), |
---|
| 2801 | .si (), |
---|
| 2802 | .so () |
---|
| 2803 | ); |
---|
| 2804 | |
---|
| 2805 | dff_s #(47) dff_tsa_npc_m ( |
---|
| 2806 | .din (tsa_rdata[`TLU_NPC_HI:`TLU_NPC_LO]), |
---|
| 2807 | .q (tsa_npc_m[46:0]), |
---|
| 2808 | .clk (clk), |
---|
| 2809 | .se (se), |
---|
| 2810 | .si (), |
---|
| 2811 | .so () |
---|
| 2812 | ); |
---|
| 2813 | |
---|
| 2814 | // pstate may have to be staged by an additional cycle. |
---|
| 2815 | assign dnrtry_pc[48:0] = {tsa_pc_m[46:0],2'b00}; |
---|
| 2816 | assign dnrtry_npc[48:0] = {tsa_npc_m[46:0],2'b00}; |
---|
| 2817 | */ |
---|
| 2818 | |
---|
| 2819 | //========================================================================================= |
---|
| 2820 | // PC/nPC |
---|
| 2821 | //========================================================================================= |
---|
| 2822 | |
---|
| 2823 | // TRUE PC/NPC. AN INSTRUCTION'S PC/NPC IS VISIBLE IN W2. |
---|
| 2824 | // F:S:D:E:M:G:W2 |
---|
| 2825 | // Modified by Done/Retry and inst |
---|
| 2826 | |
---|
| 2827 | /* logic moved to tlu_misctl |
---|
| 2828 | // On done, npc will become pc. |
---|
| 2829 | // modified due to bug 3017 |
---|
| 2830 | // pc width increase from 48 -> 49 bits |
---|
| 2831 | mux3ds #(49) finalpc_sel_m ( |
---|
| 2832 | .in0 (dnrtry_pc[48:0]), |
---|
| 2833 | .in1 (dnrtry_npc[48:0]), |
---|
| 2834 | .in2 (ifu_tlu_pc_m[48:0]), |
---|
| 2835 | .sel0 (tlu_retry_inst_m), |
---|
| 2836 | .sel1 (tlu_done_inst_m), |
---|
| 2837 | .sel2 (tlu_dnrtry_inst_m_l), |
---|
| 2838 | .dout (pc_new[48:0]) |
---|
| 2839 | ); |
---|
| 2840 | // On done, npc will stay npc. The valid to the IFU will |
---|
| 2841 | // not be signaled along with npc for a done. |
---|
| 2842 | // modified due to bug 3017 |
---|
| 2843 | // pc width increase from 48 -> 49 bits |
---|
| 2844 | mux2ds #(49) finalnpc_sel_m ( |
---|
| 2845 | .in0 (dnrtry_npc[48:0]), |
---|
| 2846 | .in1 (ifu_tlu_npc_m[48:0]), |
---|
| 2847 | .sel0 (~tlu_dnrtry_inst_m_l), |
---|
| 2848 | .sel1 (tlu_dnrtry_inst_m_l), |
---|
| 2849 | .dout (npc_new[48:0]) |
---|
| 2850 | ); |
---|
| 2851 | |
---|
| 2852 | dff_s #(49) dff_pc_new_w ( |
---|
| 2853 | .din (pc_new[48:0]), |
---|
| 2854 | .q (pc_new_w[48:0]), |
---|
| 2855 | .clk (clk), |
---|
| 2856 | .se (se), |
---|
| 2857 | .si (), |
---|
| 2858 | .so () |
---|
| 2859 | ); |
---|
| 2860 | |
---|
| 2861 | dff_s #(49) dff_npc_new_w ( |
---|
| 2862 | .din (npc_new[48:0]), |
---|
| 2863 | .q (npc_new_w[48:0]), |
---|
| 2864 | .clk (clk), |
---|
| 2865 | .se (se), |
---|
| 2866 | .si (), |
---|
| 2867 | .so () |
---|
| 2868 | ); |
---|
| 2869 | */ |
---|
| 2870 | // |
---|
| 2871 | `ifdef FPGA_SYN_CLK_EN |
---|
| 2872 | `else |
---|
| 2873 | clken_buf clkbf_pc0 ( |
---|
| 2874 | .rclk (clk), |
---|
| 2875 | .enb_l (tlu_update_pc_l_w[0]), |
---|
| 2876 | .tmb_l (se_l), |
---|
| 2877 | .clk (pc0_clk) |
---|
| 2878 | ); |
---|
| 2879 | `endif |
---|
| 2880 | |
---|
| 2881 | `ifdef FPGA_SYN_CLK_EN |
---|
| 2882 | `else |
---|
| 2883 | clken_buf clkbf_pc1 ( |
---|
| 2884 | .rclk (clk), |
---|
| 2885 | .enb_l (tlu_update_pc_l_w[1]), |
---|
| 2886 | .tmb_l (se_l), |
---|
| 2887 | .clk (pc1_clk) |
---|
| 2888 | ); |
---|
| 2889 | `endif |
---|
| 2890 | |
---|
| 2891 | `ifdef FPGA_SYN_CLK_EN |
---|
| 2892 | `else |
---|
| 2893 | clken_buf clkbf_pc2 ( |
---|
| 2894 | .rclk (clk), |
---|
| 2895 | .enb_l (tlu_update_pc_l_w[2]), |
---|
| 2896 | .tmb_l (se_l), |
---|
| 2897 | .clk (pc2_clk) |
---|
| 2898 | ); |
---|
| 2899 | `endif |
---|
| 2900 | |
---|
| 2901 | `ifdef FPGA_SYN_CLK_EN |
---|
| 2902 | `else |
---|
| 2903 | clken_buf clkbf_pc3 ( |
---|
| 2904 | .rclk (clk), |
---|
| 2905 | .enb_l (tlu_update_pc_l_w[3]), |
---|
| 2906 | .tmb_l (se_l), |
---|
| 2907 | .clk (pc3_clk) |
---|
| 2908 | ); |
---|
| 2909 | `endif |
---|
| 2910 | // |
---|
| 2911 | // modified for bug 3017 |
---|
| 2912 | // all pc width has been increased from 48 -> 49 bits |
---|
| 2913 | // Thread 0 |
---|
| 2914 | // |
---|
| 2915 | `ifdef FPGA_SYN_CLK_DFF |
---|
| 2916 | dffe_s #(49) pc0_true ( |
---|
| 2917 | .din (tlu_pc_new_w[48:0]), |
---|
| 2918 | .q (true_pc0[48:0]), |
---|
| 2919 | .en (~(tlu_update_pc_l_w[0])), .clk(clk), |
---|
| 2920 | .se (se), |
---|
| 2921 | .si (), |
---|
| 2922 | .so () |
---|
| 2923 | ); |
---|
| 2924 | `else |
---|
| 2925 | dff_s #(49) pc0_true ( |
---|
| 2926 | .din (tlu_pc_new_w[48:0]), |
---|
| 2927 | .q (true_pc0[48:0]), |
---|
| 2928 | .clk (pc0_clk), |
---|
| 2929 | .se (se), |
---|
| 2930 | .si (), |
---|
| 2931 | .so () |
---|
| 2932 | ); |
---|
| 2933 | `endif |
---|
| 2934 | |
---|
| 2935 | // update_pc will be used for both pc and npc - in this case |
---|
| 2936 | // npc will contain gibberish but it's okay. |
---|
| 2937 | // modified to avert area growth |
---|
| 2938 | `ifdef FPGA_SYN_CLK_DFF |
---|
| 2939 | dffe_s #(49) npc0_true ( |
---|
| 2940 | .din (tlu_npc_new_w[48:0]), |
---|
| 2941 | .q (true_npc0[48:0]), |
---|
| 2942 | .en (~(tlu_update_pc_l_w[0])), .clk(clk), |
---|
| 2943 | .se (se), |
---|
| 2944 | .si (), |
---|
| 2945 | .so () |
---|
| 2946 | ); |
---|
| 2947 | `else |
---|
| 2948 | dff_s #(49) npc0_true ( |
---|
| 2949 | .din (tlu_npc_new_w[48:0]), |
---|
| 2950 | .q (true_npc0[48:0]), |
---|
| 2951 | .clk (pc0_clk), |
---|
| 2952 | .se (se), |
---|
| 2953 | .si (), |
---|
| 2954 | .so () |
---|
| 2955 | ); |
---|
| 2956 | `endif |
---|
| 2957 | // |
---|
| 2958 | // THREAD1 |
---|
| 2959 | // |
---|
| 2960 | `ifdef FPGA_SYN_CLK_DFF |
---|
| 2961 | dffe_s #(49) pc1_true ( |
---|
| 2962 | .din (tlu_pc_new_w[48:0]), |
---|
| 2963 | .q (true_pc1[48:0]), |
---|
| 2964 | .en (~(tlu_update_pc_l_w[1])), .clk(clk), |
---|
| 2965 | .se (se), |
---|
| 2966 | .si (), |
---|
| 2967 | .so () |
---|
| 2968 | ); |
---|
| 2969 | `else |
---|
| 2970 | dff_s #(49) pc1_true ( |
---|
| 2971 | .din (tlu_pc_new_w[48:0]), |
---|
| 2972 | .q (true_pc1[48:0]), |
---|
| 2973 | .clk (pc1_clk), |
---|
| 2974 | .se (se), |
---|
| 2975 | .si (), |
---|
| 2976 | .so () |
---|
| 2977 | ); |
---|
| 2978 | `endif |
---|
| 2979 | |
---|
| 2980 | // update_pc will be used for both pc and npc - in this case |
---|
| 2981 | // npc will contain gibberish but it's okay. |
---|
| 2982 | `ifdef FPGA_SYN_CLK_DFF |
---|
| 2983 | dffe_s #(49) npc1_true ( |
---|
| 2984 | .din (tlu_npc_new_w[48:0]), |
---|
| 2985 | .q (true_npc1[48:0]), |
---|
| 2986 | .en (~(tlu_update_pc_l_w[1])), .clk(clk), |
---|
| 2987 | .se (se), |
---|
| 2988 | .si (), |
---|
| 2989 | .so () |
---|
| 2990 | ); |
---|
| 2991 | `else |
---|
| 2992 | dff_s #(49) npc1_true ( |
---|
| 2993 | .din (tlu_npc_new_w[48:0]), |
---|
| 2994 | .q (true_npc1[48:0]), |
---|
| 2995 | .clk (pc1_clk), |
---|
| 2996 | .se (se), |
---|
| 2997 | .si (), |
---|
| 2998 | .so () |
---|
| 2999 | ); |
---|
| 3000 | `endif |
---|
| 3001 | // |
---|
| 3002 | // THREAD2 |
---|
| 3003 | // |
---|
| 3004 | `ifdef FPGA_SYN_CLK_DFF |
---|
| 3005 | dffe_s #(49) pc2_true ( |
---|
| 3006 | .din (tlu_pc_new_w[48:0]), |
---|
| 3007 | .q (true_pc2[48:0]), |
---|
| 3008 | .en (~(tlu_update_pc_l_w[2])), .clk(clk), |
---|
| 3009 | .se (se), |
---|
| 3010 | .si (), |
---|
| 3011 | .so () |
---|
| 3012 | ); |
---|
| 3013 | `else |
---|
| 3014 | dff_s #(49) pc2_true ( |
---|
| 3015 | .din (tlu_pc_new_w[48:0]), |
---|
| 3016 | .q (true_pc2[48:0]), |
---|
| 3017 | .clk (pc2_clk), |
---|
| 3018 | .se (se), |
---|
| 3019 | .si (), |
---|
| 3020 | .so () |
---|
| 3021 | ); |
---|
| 3022 | `endif |
---|
| 3023 | |
---|
| 3024 | // update_pc will be used for both pc and npc - in this case |
---|
| 3025 | // npc will contain gibberish but it's okay. |
---|
| 3026 | `ifdef FPGA_SYN_CLK_DFF |
---|
| 3027 | dffe_s #(49) npc2_true ( |
---|
| 3028 | .din (tlu_npc_new_w[48:0]), |
---|
| 3029 | .q (true_npc2[48:0]), |
---|
| 3030 | .en (~(tlu_update_pc_l_w[2])), .clk(clk), |
---|
| 3031 | .se (se), |
---|
| 3032 | .si (), |
---|
| 3033 | .so () |
---|
| 3034 | ); |
---|
| 3035 | `else |
---|
| 3036 | dff_s #(49) npc2_true ( |
---|
| 3037 | .din (tlu_npc_new_w[48:0]), |
---|
| 3038 | .q (true_npc2[48:0]), |
---|
| 3039 | .clk (pc2_clk), |
---|
| 3040 | .se (se), |
---|
| 3041 | .si (), |
---|
| 3042 | .so () |
---|
| 3043 | ); |
---|
| 3044 | `endif |
---|
| 3045 | // |
---|
| 3046 | // THREAD3 |
---|
| 3047 | // |
---|
| 3048 | `ifdef FPGA_SYN_CLK_DFF |
---|
| 3049 | dffe_s #(49) pc3_true ( |
---|
| 3050 | .din (tlu_pc_new_w[48:0]), |
---|
| 3051 | .q (true_pc3[48:0]), |
---|
| 3052 | .en (~(tlu_update_pc_l_w[3])), .clk(clk), |
---|
| 3053 | .se (se), |
---|
| 3054 | .si (), |
---|
| 3055 | .so () |
---|
| 3056 | ); |
---|
| 3057 | `else |
---|
| 3058 | dff_s #(49) pc3_true ( |
---|
| 3059 | .din (tlu_pc_new_w[48:0]), |
---|
| 3060 | .q (true_pc3[48:0]), |
---|
| 3061 | .clk (pc3_clk), |
---|
| 3062 | .se (se), |
---|
| 3063 | .si (), |
---|
| 3064 | .so () |
---|
| 3065 | ); |
---|
| 3066 | `endif |
---|
| 3067 | |
---|
| 3068 | // update_pc will be used for both pc and npc - in this case |
---|
| 3069 | // npc will contain gibberish but it's okay. |
---|
| 3070 | `ifdef FPGA_SYN_CLK_DFF |
---|
| 3071 | dffe_s #(49) npc3_true ( |
---|
| 3072 | .din (tlu_npc_new_w[48:0]), |
---|
| 3073 | .q (true_npc3[48:0]), |
---|
| 3074 | .en (~(tlu_update_pc_l_w[3])), .clk(clk), |
---|
| 3075 | .se (se), |
---|
| 3076 | .si (), |
---|
| 3077 | .so () |
---|
| 3078 | ); |
---|
| 3079 | `else |
---|
| 3080 | dff_s #(49) npc3_true ( |
---|
| 3081 | .din (tlu_npc_new_w[48:0]), |
---|
| 3082 | .q (true_npc3[48:0]), |
---|
| 3083 | .clk (pc3_clk), |
---|
| 3084 | .se (se), |
---|
| 3085 | .si (), |
---|
| 3086 | .so () |
---|
| 3087 | ); |
---|
| 3088 | `endif |
---|
| 3089 | |
---|
| 3090 | //========================================================================================= |
---|
| 3091 | // Generating Trap Vector |
---|
| 3092 | //========================================================================================= |
---|
| 3093 | // |
---|
| 3094 | // Normal Trap Processing. |
---|
| 3095 | mux2ds mux_pc_bit15_sel ( |
---|
| 3096 | .in0 (tlu_tl_gt_0_w2), |
---|
| 3097 | .in1 (htba_data[0]), |
---|
| 3098 | .sel0 (~tlu_trap_hpstate_enb), |
---|
| 3099 | .sel1 (tlu_trap_hpstate_enb), |
---|
| 3100 | .dout (pc_bit15_sel) |
---|
| 3101 | ); |
---|
| 3102 | // |
---|
| 3103 | // modified to help speed up simulation time |
---|
| 3104 | // |
---|
| 3105 | assign tlu_rstvaddr_base[33:0] = `RSTVADDR_BASE; |
---|
| 3106 | mux3ds #(34) nrmlpc_sel_w2 ( |
---|
| 3107 | .in0 (tlu_rstvaddr_base[33:0]), |
---|
| 3108 | .in1 ({tba_data[32:0], tlu_tl_gt_0_w2}), |
---|
| 3109 | .in2 ({htba_data[33:1], pc_bit15_sel}), |
---|
| 3110 | .sel0 (tlu_pc_mxsel_w2[0]), |
---|
| 3111 | .sel1 (tlu_pc_mxsel_w2[1]), |
---|
| 3112 | .sel2 (tlu_pc_mxsel_w2[2]), |
---|
| 3113 | .dout (partial_trap_pc_w2[33:0]) |
---|
| 3114 | ); |
---|
| 3115 | |
---|
| 3116 | assign tlu_partial_trap_pc_w1[33:0] = partial_trap_pc_w2[33:0]; |
---|
| 3117 | |
---|
| 3118 | // restore pc/npc select |
---|
| 3119 | // true pc muxed into restore pc; previously restore_pcx was muxed in. |
---|
| 3120 | // modified due to bug 3017 |
---|
| 3121 | `ifdef FPGA_SYN_1THREAD |
---|
| 3122 | assign restore_pc_w2[48:0] = true_pc0[48:0]; |
---|
| 3123 | assign restore_npc_w2[48:0] = true_npc0[48:0]; |
---|
| 3124 | `else |
---|
| 3125 | |
---|
| 3126 | mux4ds #(98) trprsel ( |
---|
| 3127 | .in0 ({true_pc0[48:0],true_npc0[48:0]}), |
---|
| 3128 | .in1 ({true_pc1[48:0],true_npc1[48:0]}), |
---|
| 3129 | .in2 ({true_pc2[48:0],true_npc2[48:0]}), |
---|
| 3130 | .in3 ({true_pc3[48:0],true_npc3[48:0]}), |
---|
| 3131 | .sel0 (tlu_thrd_wsel_w2[0]), |
---|
| 3132 | .sel1 (tlu_thrd_wsel_w2[1]), |
---|
| 3133 | .sel2 (tlu_thrd_wsel_w2[2]), |
---|
| 3134 | .sel3 (tlu_thrd_wsel_w2[3]), |
---|
| 3135 | .dout ({restore_pc_w2[48:0],restore_npc_w2[48:0]}) |
---|
| 3136 | ); |
---|
| 3137 | `endif // !`ifdef FPGA_SYN_1THREAD |
---|
| 3138 | |
---|
| 3139 | // |
---|
| 3140 | // the matching of the w1 and w2 is intentional |
---|
| 3141 | assign tlu_restore_pc_w1[48:0] = restore_pc_w2[48:0]; |
---|
| 3142 | assign tlu_restore_npc_w1[48:0] = restore_npc_w2[48:0]; |
---|
| 3143 | |
---|
| 3144 | //========================================================================================= |
---|
| 3145 | // TAP PC OBSERVABILITY |
---|
| 3146 | //========================================================================================= |
---|
| 3147 | // |
---|
| 3148 | // modified due to spec change |
---|
| 3149 | // shadow scan |
---|
| 3150 | // thread 0 data |
---|
| 3151 | assign sscan_data_test0[`TDP_SSCAN_WIDTH-1:0] = |
---|
| 3152 | {true_hpstate0[2:0], |
---|
| 3153 | true_pstate0[`PSTATE_PRIV], |
---|
| 3154 | true_pstate0[`PSTATE_IE], |
---|
| 3155 | true_pc0[47:2]}; |
---|
| 3156 | // |
---|
| 3157 | // thread 1 data |
---|
| 3158 | assign sscan_data_test1[`TDP_SSCAN_WIDTH-1:0] = |
---|
| 3159 | {true_hpstate1[2:0], |
---|
| 3160 | true_pstate1[`PSTATE_PRIV], |
---|
| 3161 | true_pstate1[`PSTATE_IE], |
---|
| 3162 | true_pc1[47:2]}; |
---|
| 3163 | // |
---|
| 3164 | // thread 2 data |
---|
| 3165 | assign sscan_data_test2[`TDP_SSCAN_WIDTH-1:0] = |
---|
| 3166 | {true_hpstate2[2:0], |
---|
| 3167 | true_pstate2[`PSTATE_PRIV], |
---|
| 3168 | true_pstate2[`PSTATE_IE], |
---|
| 3169 | true_pc2[47:2]}; |
---|
| 3170 | // |
---|
| 3171 | // thread 3 data |
---|
| 3172 | assign sscan_data_test3[`TDP_SSCAN_WIDTH-1:0] = |
---|
| 3173 | {true_hpstate3[2:0], |
---|
| 3174 | true_pstate3[`PSTATE_PRIV], |
---|
| 3175 | true_pstate3[`PSTATE_IE], |
---|
| 3176 | true_pc3[47:2]}; |
---|
| 3177 | // |
---|
| 3178 | `ifdef FPGA_SYN_1THREAD |
---|
| 3179 | assign tdp_sscan_test_data[`TDP_SSCAN_WIDTH-1:0] = sscan_data_test0[`TDP_SSCAN_WIDTH-1:0]; |
---|
| 3180 | `else |
---|
| 3181 | |
---|
| 3182 | mux4ds #(`TDP_SSCAN_WIDTH) mx_sscan_test_data ( |
---|
| 3183 | .in0 (sscan_data_test0[`TDP_SSCAN_WIDTH-1:0]), |
---|
| 3184 | .in1 (sscan_data_test1[`TDP_SSCAN_WIDTH-1:0]), |
---|
| 3185 | .in2 (sscan_data_test2[`TDP_SSCAN_WIDTH-1:0]), |
---|
| 3186 | .in3 (sscan_data_test3[`TDP_SSCAN_WIDTH-1:0]), |
---|
| 3187 | .sel0 (sscan_tid_sel[0]), |
---|
| 3188 | .sel1 (sscan_tid_sel[1]), |
---|
| 3189 | .sel2 (sscan_tid_sel[2]), |
---|
| 3190 | .sel3 (sscan_tid_sel[3]), |
---|
| 3191 | .dout (tdp_sscan_test_data[`TDP_SSCAN_WIDTH-1:0]) |
---|
| 3192 | ); |
---|
| 3193 | `endif // !`ifdef FPGA_SYN_1THREAD |
---|
| 3194 | |
---|
| 3195 | assign sscan_tid_sel[`TLU_THRD_NUM-1:0] = ctu_sscan_tid[`TLU_THRD_NUM-1:0]; |
---|
| 3196 | |
---|
| 3197 | assign tlu_sscan_test_data[`TDP_SSCAN_WIDTH-1:0] = |
---|
| 3198 | tdp_sscan_test_data[`TDP_SSCAN_WIDTH-1:0]; |
---|
| 3199 | |
---|
| 3200 | //========================================================================================= |
---|
| 3201 | // PSTATE for Threads |
---|
| 3202 | //========================================================================================= |
---|
| 3203 | |
---|
| 3204 | // pstate needs to be updated on a trap. Assume for now that only non-RED state instruction |
---|
| 3205 | // related traps are handled. |
---|
| 3206 | |
---|
| 3207 | // Normal traps, non-red mode. |
---|
| 3208 | assign pstate_priv_set = tlu_select_tba_w2 | local_rst | tlu_select_redmode; |
---|
| 3209 | // |
---|
| 3210 | assign pstate_priv_thrd_set[0] = pstate_priv_set | ~true_hpstate0[`HPSTATE_ENB]; |
---|
| 3211 | assign pstate_priv_thrd_set[1] = pstate_priv_set | ~true_hpstate1[`HPSTATE_ENB]; |
---|
| 3212 | assign pstate_priv_thrd_set[2] = pstate_priv_set | ~true_hpstate2[`HPSTATE_ENB]; |
---|
| 3213 | assign pstate_priv_thrd_set[3] = pstate_priv_set | ~true_hpstate3[`HPSTATE_ENB]; |
---|
| 3214 | // |
---|
| 3215 | // modified for bug 3349 |
---|
| 3216 | assign pstate_priv_update_w2[0] = |
---|
| 3217 | ~(tlu_update_pstate_l_w2[0] & |
---|
| 3218 | (true_hpstate0[`HPSTATE_ENB] | tlu_update_hpstate_l_w2[0])) | |
---|
| 3219 | (~wsr_data_w2[`WSR_HPSTATE_ENB] & tlu_hpstate_din_sel0[1]); |
---|
| 3220 | assign pstate_priv_update_w2[1] = |
---|
| 3221 | ~(tlu_update_pstate_l_w2[1] & |
---|
| 3222 | (true_hpstate1[`HPSTATE_ENB] | tlu_update_hpstate_l_w2[1])) | |
---|
| 3223 | (~wsr_data_w2[`WSR_HPSTATE_ENB] & tlu_hpstate_din_sel1[1]); |
---|
| 3224 | assign pstate_priv_update_w2[2] = |
---|
| 3225 | ~(tlu_update_pstate_l_w2[2] & |
---|
| 3226 | (true_hpstate2[`HPSTATE_ENB] | tlu_update_hpstate_l_w2[2])) | |
---|
| 3227 | (~wsr_data_w2[`WSR_HPSTATE_ENB] & tlu_hpstate_din_sel2[1]); |
---|
| 3228 | assign pstate_priv_update_w2[3] = |
---|
| 3229 | ~(tlu_update_pstate_l_w2[3] & |
---|
| 3230 | (true_hpstate3[`HPSTATE_ENB] | tlu_update_hpstate_l_w2[3])) | |
---|
| 3231 | (~wsr_data_w2[`WSR_HPSTATE_ENB] & tlu_hpstate_din_sel3[1]); |
---|
| 3232 | // |
---|
| 3233 | assign hpstate_priv_update_w2[0] = |
---|
| 3234 | ~(tlu_update_hpstate_l_w2[0] & |
---|
| 3235 | (true_hpstate0[`HPSTATE_ENB] | tlu_update_pstate_l_w2[0])); |
---|
| 3236 | assign hpstate_priv_update_w2[1] = |
---|
| 3237 | ~(tlu_update_hpstate_l_w2[1] & |
---|
| 3238 | (true_hpstate1[`HPSTATE_ENB] | tlu_update_pstate_l_w2[1])); |
---|
| 3239 | assign hpstate_priv_update_w2[2] = |
---|
| 3240 | ~(tlu_update_hpstate_l_w2[2] & |
---|
| 3241 | (true_hpstate2[`HPSTATE_ENB] | tlu_update_pstate_l_w2[2])); |
---|
| 3242 | assign hpstate_priv_update_w2[3] = |
---|
| 3243 | ~(tlu_update_hpstate_l_w2[3] & |
---|
| 3244 | (true_hpstate3[`HPSTATE_ENB] | tlu_update_pstate_l_w2[3])); |
---|
| 3245 | // |
---|
| 3246 | // added for bug 2161 and modified for bug 2161 |
---|
| 3247 | assign hpstate_enb_set[0] = true_hpstate0[`HPSTATE_ENB] & ~(local_rst | tlu_select_redmode); |
---|
| 3248 | assign hpstate_enb_set[1] = true_hpstate1[`HPSTATE_ENB] & ~(local_rst | tlu_select_redmode); |
---|
| 3249 | assign hpstate_enb_set[2] = true_hpstate2[`HPSTATE_ENB] & ~(local_rst | tlu_select_redmode); |
---|
| 3250 | assign hpstate_enb_set[3] = true_hpstate3[`HPSTATE_ENB] & ~(local_rst | tlu_select_redmode); |
---|
| 3251 | |
---|
| 3252 | // added for hpstate.ibe ECO |
---|
| 3253 | // modified due to timing - tlu_ibrkpt_trap_g has been delayed one stage to tlu_ibrkpt_trap_w2 |
---|
| 3254 | assign hpstate_ibe_set[0] = |
---|
| 3255 | true_hpstate0[`HPSTATE_IBE] & ~(local_rst | tlu_select_redmode | tlu_ibrkpt_trap_w2); |
---|
| 3256 | assign hpstate_ibe_set[1] = |
---|
| 3257 | true_hpstate1[`HPSTATE_IBE] & ~(local_rst | tlu_select_redmode | tlu_ibrkpt_trap_w2); |
---|
| 3258 | assign hpstate_ibe_set[2] = |
---|
| 3259 | true_hpstate2[`HPSTATE_IBE] & ~(local_rst | tlu_select_redmode | tlu_ibrkpt_trap_w2); |
---|
| 3260 | assign hpstate_ibe_set[3] = |
---|
| 3261 | true_hpstate3[`HPSTATE_IBE] & ~(local_rst | tlu_select_redmode | tlu_ibrkpt_trap_w2); |
---|
| 3262 | // |
---|
| 3263 | // added due to TLZ spec change |
---|
| 3264 | // modified for bug 3505 |
---|
| 3265 | assign hpstate_tlz_set[0] = true_hpstate0[`HPSTATE_TLZ] & ~(local_rst | tlu_select_redmode); |
---|
| 3266 | assign hpstate_tlz_set[1] = true_hpstate1[`HPSTATE_TLZ] & ~(local_rst | tlu_select_redmode); |
---|
| 3267 | assign hpstate_tlz_set[2] = true_hpstate2[`HPSTATE_TLZ] & ~(local_rst | tlu_select_redmode); |
---|
| 3268 | assign hpstate_tlz_set[3] = true_hpstate3[`HPSTATE_TLZ] & ~(local_rst | tlu_select_redmode); |
---|
| 3269 | // |
---|
| 3270 | // thread 0 |
---|
| 3271 | assign tlu_select_tle[0] = |
---|
| 3272 | tlu_pstate_tle[0] & ~(tlu_select_redmode); |
---|
| 3273 | // modified for timing and bug 3417 |
---|
| 3274 | assign tlu_select_cle[0] = |
---|
| 3275 | tlu_select_tle[0] & |
---|
| 3276 | (tlu_select_tba_w2 | ~true_hpstate0[`HPSTATE_ENB]); |
---|
| 3277 | // tlu_select_tle[0] & tlu_select_tba_w2; |
---|
| 3278 | // |
---|
| 3279 | // modified for timing and width cleanup |
---|
| 3280 | /* |
---|
| 3281 | assign ntrap_pstate0[`PSTATE_TRUE_WIDTH-1:0] = |
---|
| 3282 | {2'b0, // tlu_select_int_global - replaced by gl register |
---|
| 3283 | // tlu_select_mmu_global - replaced by gl register |
---|
| 3284 | tlu_select_cle[0], // cle<-tle, or 0 |
---|
| 3285 | tlu_select_tle[0], // keep old tle, or 0 |
---|
| 3286 | 2'b0, |
---|
| 3287 | 1'b0, // tlu_select_redmode - replaced by hpstate.red |
---|
| 3288 | 1'b1, // fp turned on |
---|
| 3289 | 1'b0, // address masking turned off |
---|
| 3290 | pstate_priv_thrd_set[0], // enter priv mode for priv traps |
---|
| 3291 | 1'b0, // interrupts disabled |
---|
| 3292 | 1'b0}; // tlu_select_alt_global - replaced by gl register |
---|
| 3293 | */ |
---|
| 3294 | assign ntrap_pstate0[`WSR_PSTATE_VR_WIDTH-1:0] = |
---|
| 3295 | {tlu_select_cle[0], // cle<-tle, or 0 |
---|
| 3296 | tlu_select_tle[0], // keep old tle, or 0 |
---|
| 3297 | 1'b1, // fp turned on |
---|
| 3298 | 1'b0, // address masking turned off |
---|
| 3299 | pstate_priv_thrd_set[0], // enter priv mode for priv traps |
---|
| 3300 | 1'b0}; // interrupts disabled |
---|
| 3301 | // |
---|
| 3302 | // thread 1 |
---|
| 3303 | assign tlu_select_tle[1] = |
---|
| 3304 | tlu_pstate_tle[1] & ~(tlu_select_redmode); |
---|
| 3305 | // modified for timing and bug 3417 |
---|
| 3306 | assign tlu_select_cle[1] = |
---|
| 3307 | tlu_select_tle[1] & |
---|
| 3308 | (tlu_select_tba_w2 | ~true_hpstate1[`HPSTATE_ENB]); |
---|
| 3309 | // tlu_select_tle[1] & tlu_select_tba_w2; |
---|
| 3310 | // |
---|
| 3311 | // modified due to timing |
---|
| 3312 | /* |
---|
| 3313 | assign ntrap_pstate1[`PSTATE_TRUE_WIDTH-1:0] = |
---|
| 3314 | {2'b0, // tlu_select_int_global - replaced by gl register |
---|
| 3315 | // tlu_select_mmu_global - replaced by gl register |
---|
| 3316 | tlu_select_cle[1], // cle<-tle, or 0 |
---|
| 3317 | tlu_select_tle[1], // keep old tle, or 0 |
---|
| 3318 | 2'b0, |
---|
| 3319 | 1'b0, // tlu_select_redmode - replaced by hpstate.red |
---|
| 3320 | 1'b1, // fp turned on |
---|
| 3321 | 1'b0, // address masking turned off |
---|
| 3322 | pstate_priv_thrd_set[1], // enter priv mode for priv traps |
---|
| 3323 | 1'b0, // interrupts disabled |
---|
| 3324 | 1'b0}; // tlu_select_alt_global - replaced by gl register |
---|
| 3325 | */ |
---|
| 3326 | assign ntrap_pstate1[`WSR_PSTATE_VR_WIDTH-1:0] = |
---|
| 3327 | {tlu_select_cle[1], // cle<-tle, or 0 |
---|
| 3328 | tlu_select_tle[1], // keep old tle, or 0 |
---|
| 3329 | 1'b1, // fp turned on |
---|
| 3330 | 1'b0, // address masking turned off |
---|
| 3331 | pstate_priv_thrd_set[1], // enter priv mode for priv traps |
---|
| 3332 | 1'b0}; // interrupts disabled// |
---|
| 3333 | // |
---|
| 3334 | // thread 2 |
---|
| 3335 | assign tlu_select_tle[2] = |
---|
| 3336 | tlu_pstate_tle[2] & ~(tlu_select_redmode); |
---|
| 3337 | // modified for timing and bug 3417 |
---|
| 3338 | assign tlu_select_cle[2] = |
---|
| 3339 | tlu_select_tle[2] & |
---|
| 3340 | (tlu_select_tba_w2 | ~true_hpstate2[`HPSTATE_ENB]); |
---|
| 3341 | // tlu_select_tle[2] & tlu_select_tba_w2; |
---|
| 3342 | // |
---|
| 3343 | // modified for timing and width cleanup |
---|
| 3344 | /* |
---|
| 3345 | assign ntrap_pstate2[`PSTATE_TRUE_WIDTH-1:0] = |
---|
| 3346 | {2'b0, // tlu_select_int_global - replaced by gl register |
---|
| 3347 | // tlu_select_mmu_global - replaced by gl register |
---|
| 3348 | tlu_select_cle[2], // cle<-tle, or 0 |
---|
| 3349 | tlu_select_tle[2], // keep old tle, or 0 |
---|
| 3350 | 2'b0, |
---|
| 3351 | 1'b0, // tlu_select_redmode - replaced by hpstate.red |
---|
| 3352 | 1'b1, // fp turned on |
---|
| 3353 | 1'b0, // address masking turned off |
---|
| 3354 | pstate_priv_thrd_set[2], // enter priv mode for priv traps |
---|
| 3355 | 1'b0, // interrupts disabled |
---|
| 3356 | 1'b0}; // tlu_select_alt_global - replaced by gl register |
---|
| 3357 | */ |
---|
| 3358 | assign ntrap_pstate2[`WSR_PSTATE_VR_WIDTH-1:0] = |
---|
| 3359 | {tlu_select_cle[2], // cle<-tle, or 0 |
---|
| 3360 | tlu_select_tle[2], // keep old tle, or 0 |
---|
| 3361 | 1'b1, // fp turned on |
---|
| 3362 | 1'b0, // address masking turned off |
---|
| 3363 | pstate_priv_thrd_set[2], // enter priv mode for priv traps |
---|
| 3364 | 1'b0}; // interrupts disabled// |
---|
| 3365 | // |
---|
| 3366 | // thread 3 |
---|
| 3367 | assign tlu_select_tle[3] = |
---|
| 3368 | tlu_pstate_tle[3] & ~(tlu_select_redmode); |
---|
| 3369 | // modified for timing and bug 3417 |
---|
| 3370 | assign tlu_select_cle[3] = |
---|
| 3371 | tlu_select_tle[3] & |
---|
| 3372 | (tlu_select_tba_w2 | ~true_hpstate3[`HPSTATE_ENB]); |
---|
| 3373 | // tlu_select_tle[3] & tlu_select_tba_w2; |
---|
| 3374 | // |
---|
| 3375 | // modified for timing |
---|
| 3376 | /* |
---|
| 3377 | assign ntrap_pstate3[`PSTATE_TRUE_WIDTH-1:0] = |
---|
| 3378 | {2'b0, // tlu_select_int_global - replaced by gl register |
---|
| 3379 | // tlu_select_mmu_global - replaced by gl register |
---|
| 3380 | tlu_select_cle[3], // cle<-tle, or 0 |
---|
| 3381 | tlu_select_tle[3], // keep old tle, or 0 |
---|
| 3382 | 2'b0, |
---|
| 3383 | 1'b0, // tlu_select_redmode - replaced by hpstate.red |
---|
| 3384 | 1'b1, // fp turned on |
---|
| 3385 | 1'b0, // address masking turned off |
---|
| 3386 | pstate_priv_thrd_set[3], // enter priv mode for priv traps |
---|
| 3387 | 1'b0, // interrupts disabled |
---|
| 3388 | 1'b0}; // tlu_select_alt_global - replaced by gl register |
---|
| 3389 | */ |
---|
| 3390 | assign ntrap_pstate3[`WSR_PSTATE_VR_WIDTH-1:0] = |
---|
| 3391 | {tlu_select_cle[3], // cle<-tle, or 0 |
---|
| 3392 | tlu_select_tle[3], // keep old tle, or 0 |
---|
| 3393 | 1'b1, // fp turned on |
---|
| 3394 | 1'b0, // address masking turned off |
---|
| 3395 | pstate_priv_thrd_set[3], // enter priv mode for priv traps |
---|
| 3396 | 1'b0}; // interrupts disabled// |
---|
| 3397 | |
---|
| 3398 | // Clock Enable Buffers |
---|
| 3399 | // |
---|
| 3400 | `ifdef FPGA_SYN_CLK_EN |
---|
| 3401 | `else |
---|
| 3402 | clken_buf clkbf_ps0 ( |
---|
| 3403 | .rclk (clk), |
---|
| 3404 | .enb_l (tlu_update_pstate_l_w2[0]), |
---|
| 3405 | .tmb_l (se_l), |
---|
| 3406 | .clk (pstate0_clk) |
---|
| 3407 | ); |
---|
| 3408 | `endif |
---|
| 3409 | |
---|
| 3410 | `ifdef FPGA_SYN_CLK_EN |
---|
| 3411 | `else |
---|
| 3412 | clken_buf clkbf_ps1 ( |
---|
| 3413 | .rclk (clk), |
---|
| 3414 | .enb_l (tlu_update_pstate_l_w2[1]), |
---|
| 3415 | .tmb_l (se_l), |
---|
| 3416 | .clk (pstate1_clk) |
---|
| 3417 | ); |
---|
| 3418 | `endif |
---|
| 3419 | |
---|
| 3420 | `ifdef FPGA_SYN_CLK_EN |
---|
| 3421 | `else |
---|
| 3422 | clken_buf clkbf_ps2 ( |
---|
| 3423 | .rclk (clk), |
---|
| 3424 | .enb_l (tlu_update_pstate_l_w2[2]), |
---|
| 3425 | .tmb_l (se_l), |
---|
| 3426 | .clk (pstate2_clk) |
---|
| 3427 | ); |
---|
| 3428 | `endif |
---|
| 3429 | |
---|
| 3430 | `ifdef FPGA_SYN_CLK_EN |
---|
| 3431 | `else |
---|
| 3432 | clken_buf clkbf_ps3 ( |
---|
| 3433 | .rclk (clk), |
---|
| 3434 | .enb_l (tlu_update_pstate_l_w2[3]), |
---|
| 3435 | .tmb_l (se_l), |
---|
| 3436 | .clk (pstate3_clk) |
---|
| 3437 | ); |
---|
| 3438 | `endif |
---|
| 3439 | // |
---|
| 3440 | // added for hypervisor support |
---|
| 3441 | // clock enable buffers for updating the hpstate registers |
---|
| 3442 | // |
---|
| 3443 | `ifdef FPGA_SYN_CLK_EN |
---|
| 3444 | `else |
---|
| 3445 | clken_buf clkbf_hps0 ( |
---|
| 3446 | .rclk (clk), |
---|
| 3447 | .enb_l (tlu_update_hpstate_l_w2[0]), |
---|
| 3448 | .tmb_l (se_l), |
---|
| 3449 | .clk (hpstate0_clk) |
---|
| 3450 | ); |
---|
| 3451 | `endif |
---|
| 3452 | |
---|
| 3453 | `ifdef FPGA_SYN_CLK_EN |
---|
| 3454 | `else |
---|
| 3455 | clken_buf clkbf_hps1 ( |
---|
| 3456 | .rclk (clk), |
---|
| 3457 | .enb_l (tlu_update_hpstate_l_w2[1]), |
---|
| 3458 | .tmb_l (se_l), |
---|
| 3459 | .clk (hpstate1_clk) |
---|
| 3460 | ); |
---|
| 3461 | `endif |
---|
| 3462 | |
---|
| 3463 | `ifdef FPGA_SYN_CLK_EN |
---|
| 3464 | `else |
---|
| 3465 | clken_buf clkbf_hps2 ( |
---|
| 3466 | .rclk (clk), |
---|
| 3467 | .enb_l (tlu_update_hpstate_l_w2[2]), |
---|
| 3468 | .tmb_l (se_l), |
---|
| 3469 | .clk (hpstate2_clk) |
---|
| 3470 | ); |
---|
| 3471 | `endif |
---|
| 3472 | |
---|
| 3473 | `ifdef FPGA_SYN_CLK_EN |
---|
| 3474 | `else |
---|
| 3475 | clken_buf clkbf_hps3 ( |
---|
| 3476 | .rclk (clk), |
---|
| 3477 | .enb_l (tlu_update_hpstate_l_w2[3]), |
---|
| 3478 | .tmb_l (se_l), |
---|
| 3479 | .clk (hpstate3_clk) |
---|
| 3480 | ); |
---|
| 3481 | `endif |
---|
| 3482 | // assign the initial value of hpstate.red mode |
---|
| 3483 | // |
---|
| 3484 | // modified for bug 1893 |
---|
| 3485 | // assign hpstate_redmode = |
---|
| 3486 | // (local_rst)? 1'b1: tlu_select_redmode; |
---|
| 3487 | assign hpstate_redmode = |
---|
| 3488 | local_rst | (~local_rst & tlu_select_redmode); |
---|
| 3489 | // |
---|
| 3490 | // extracting hpstate from wsr_data |
---|
| 3491 | // |
---|
| 3492 | // modified for timing tlu_wsr_data_w -> wsr_data_w2 |
---|
| 3493 | assign wsr_data_hpstate_w2[`TLU_HPSTATE_WIDTH-1:0] = |
---|
| 3494 | {wsr_data_w2[`WSR_HPSTATE_IBE], |
---|
| 3495 | wsr_data_w2[`WSR_HPSTATE_ENB], |
---|
| 3496 | wsr_data_w2[`WSR_HPSTATE_RED], |
---|
| 3497 | wsr_data_w2[`WSR_HPSTATE_PRIV], |
---|
| 3498 | wsr_data_w2[`WSR_HPSTATE_TLZ] |
---|
| 3499 | }; |
---|
| 3500 | // |
---|
| 3501 | // added or modified for hypervisor support |
---|
| 3502 | // modified due to timing |
---|
| 3503 | /* |
---|
| 3504 | assign wsr_data_pstate_g[`PSTATE_TRUE_WIDTH-1:0] = |
---|
| 3505 | {2'b0, // old IG, MG - replaced by global register |
---|
| 3506 | tlu_wsr_data_w[`PSTATE_VRANGE2_HI:`PSTATE_VRANGE2_LO], |
---|
| 3507 | 2'b0, // memory model has been change to TSO only - bug 2588 |
---|
| 3508 | 1'b0, // old red, - replaced by hpstate.red |
---|
| 3509 | tlu_wsr_data_w[`PSTATE_VRANGE1_HI:`PSTATE_VRANGE1_LO], |
---|
| 3510 | 1'b0}; // old AG - replaced by global register |
---|
| 3511 | |
---|
| 3512 | assign wsr_data_pstate_g[`WSR_PSTATE_VR_WIDTH-1:0] = |
---|
| 3513 | {tlu_wsr_data_w[`PSTATE_VRANGE2_HI:`PSTATE_VRANGE2_LO], |
---|
| 3514 | tlu_wsr_data_w[`PSTATE_VRANGE1_HI:`PSTATE_VRANGE1_LO]}; |
---|
| 3515 | */ |
---|
| 3516 | assign wsr_data_pstate_w2[`WSR_PSTATE_VR_WIDTH-1:0] = |
---|
| 3517 | {wsr_data_w2[`PSTATE_VRANGE2_HI:`PSTATE_VRANGE2_LO], |
---|
| 3518 | wsr_data_w2[`PSTATE_VRANGE1_HI:`PSTATE_VRANGE1_LO]}; |
---|
| 3519 | // |
---|
| 3520 | // THREAD0 |
---|
| 3521 | // added for bug 1575 |
---|
| 3522 | // modified for bug 2584 |
---|
| 3523 | // assign tlu_pstate_nt_sel0 = ~|(tlu_pstate_din_sel0[1:0]); |
---|
| 3524 | assign tlu_pstate_nt_sel0 = |
---|
| 3525 | ~(tlu_pstate_din_sel0[0] | tlu_pstate_wsr_sel0); |
---|
| 3526 | // |
---|
| 3527 | // modified for bug 3349 |
---|
| 3528 | assign tlu_pstate_wsr_sel0 = |
---|
| 3529 | tlu_pstate_din_sel0[1] | |
---|
| 3530 | (~(true_hpstate0[`HPSTATE_ENB] & wsr_data_w2[`WSR_HPSTATE_ENB]) & |
---|
| 3531 | tlu_hpstate_din_sel0[1]); |
---|
| 3532 | // (~true_hpstate0[`HPSTATE_ENB] & tlu_hpstate_din_sel0[1]); |
---|
| 3533 | |
---|
| 3534 | mux3ds #(`WSR_PSTATE_VR_WIDTH) mux_restore_pstate0( |
---|
| 3535 | .in0 (dnrtry_pstate_w2[`WSR_PSTATE_VR_WIDTH-1:0]), |
---|
| 3536 | .in1 (wsr_data_pstate_w2[`WSR_PSTATE_VR_WIDTH-1:0]), |
---|
| 3537 | .in2 (ntrap_pstate0[`WSR_PSTATE_VR_WIDTH-1:0]), |
---|
| 3538 | .sel0 (tlu_pstate_din_sel0[0]), |
---|
| 3539 | .sel1 (tlu_pstate_wsr_sel0), |
---|
| 3540 | .sel2 (tlu_pstate_nt_sel0), |
---|
| 3541 | .dout (restore_pstate0[`WSR_PSTATE_VR_WIDTH-1:0]) |
---|
| 3542 | ); |
---|
| 3543 | |
---|
| 3544 | `ifdef FPGA_SYN_CLK_DFF |
---|
| 3545 | dffe_s #(`WSR_PSTATE_VR_WIDTH-1) dff_restore_pstate0_w3 ( |
---|
| 3546 | .din ({restore_pstate0[`WSR_PSTATE_VRANGE2_HI:`WSR_PSTATE_VRANGE1_HI-1], |
---|
| 3547 | restore_pstate0[`WSR_PSTATE_VRANGE1_LO]}), |
---|
| 3548 | .q ({restore_pstate0_w3[`WSR_PSTATE_VRANGE2_HI:`WSR_PSTATE_VRANGE1_HI-1], |
---|
| 3549 | restore_pstate0_w3[`WSR_PSTATE_VRANGE1_LO]}), |
---|
| 3550 | .en (~(tlu_update_pstate_l_w2[0])), .clk(clk), |
---|
| 3551 | .se (se), |
---|
| 3552 | .si (), |
---|
| 3553 | .so () |
---|
| 3554 | ); |
---|
| 3555 | `else |
---|
| 3556 | dff_s #(`WSR_PSTATE_VR_WIDTH-1) dff_restore_pstate0_w3 ( |
---|
| 3557 | .din ({restore_pstate0[`WSR_PSTATE_VRANGE2_HI:`WSR_PSTATE_VRANGE1_HI-1], |
---|
| 3558 | restore_pstate0[`WSR_PSTATE_VRANGE1_LO]}), |
---|
| 3559 | .q ({restore_pstate0_w3[`WSR_PSTATE_VRANGE2_HI:`WSR_PSTATE_VRANGE1_HI-1], |
---|
| 3560 | restore_pstate0_w3[`WSR_PSTATE_VRANGE1_LO]}), |
---|
| 3561 | .clk (pstate0_clk), |
---|
| 3562 | .se (se), |
---|
| 3563 | .si (), |
---|
| 3564 | .so () |
---|
| 3565 | ); |
---|
| 3566 | `endif |
---|
| 3567 | // |
---|
| 3568 | dffe_s dffe_pstate0_priv ( |
---|
| 3569 | .din (restore_pstate0[`WSR_PSTATE_VR_PRIV]), |
---|
| 3570 | .q (restore_pstate0_w3[`WSR_PSTATE_VR_PRIV]), |
---|
| 3571 | .en (pstate_priv_update_w2[0]), |
---|
| 3572 | .clk (clk), |
---|
| 3573 | .se (se), |
---|
| 3574 | .si (), |
---|
| 3575 | .so () |
---|
| 3576 | ); |
---|
| 3577 | // |
---|
| 3578 | // true_pstate0 assignments |
---|
| 3579 | assign true_pstate0[`PSTATE_TRUE_WIDTH-1:0] = |
---|
| 3580 | {2'b0, // tlu_select_int_global - replaced by gl register |
---|
| 3581 | // tlu_select_mmu_global - replaced by gl register |
---|
| 3582 | restore_pstate0_w3[`WSR_PSTATE_VRANGE2_HI:`WSR_PSTATE_VRANGE2_LO], |
---|
| 3583 | 2'b0, // fixed mmodel - TSO |
---|
| 3584 | 1'b0, // redmode - replaced by hpstate.red |
---|
| 3585 | restore_pstate0_w3[`WSR_PSTATE_VRANGE1_HI:`WSR_PSTATE_VRANGE1_LO], |
---|
| 3586 | 1'b0}; // tlu_select_alt_global - replaced by gl register |
---|
| 3587 | // |
---|
| 3588 | // modified for timing |
---|
| 3589 | /* |
---|
| 3590 | mux3ds #(9) mux_restore_pstate0( |
---|
| 3591 | .in0 (dnrtry_pstate[`PSTATE_TRUE_WIDTH-3:1]), |
---|
| 3592 | .in1 (wsr_data_pstate_g[`PSTATE_TRUE_WIDTH-3:1]), |
---|
| 3593 | .in2 (ntrap_pstate0[`PSTATE_TRUE_WIDTH-3:1]), |
---|
| 3594 | .sel0 (tlu_pstate_din_sel0[0]), |
---|
| 3595 | // modified for bug 2584 |
---|
| 3596 | // .sel1 (tlu_pstate_din_sel0[1]), |
---|
| 3597 | .sel1 (tlu_pstate_wsr_sel0), |
---|
| 3598 | .sel2 (tlu_pstate_nt_sel0), |
---|
| 3599 | .dout (restore_pstate0[`PSTATE_TRUE_WIDTH-3:1]) |
---|
| 3600 | ); |
---|
| 3601 | |
---|
| 3602 | dff_s #(`PSTATE_TRUE_WIDTH) pstate0_1 ( |
---|
| 3603 | .din (restore_pstate0[`PSTATE_TRUE_WIDTH-1:0]), |
---|
| 3604 | .q (true_pstate0[`PSTATE_TRUE_WIDTH-1:0]), |
---|
| 3605 | .clk (pstate0_clk), |
---|
| 3606 | .se (se), |
---|
| 3607 | .si (), |
---|
| 3608 | .so () |
---|
| 3609 | ); |
---|
| 3610 | // |
---|
| 3611 | dff_s #(`PSTATE_TRUE_WIDTH-1) dff_true_pstate0 ( |
---|
| 3612 | .din ({restore_pstate0[`PSTATE_TRUE_WIDTH-1:3], |
---|
| 3613 | restore_pstate0[1:0]}), |
---|
| 3614 | .q ({true_pstate0[`PSTATE_TRUE_WIDTH-1:3], |
---|
| 3615 | true_pstate0[1:0]}), |
---|
| 3616 | .clk (pstate0_clk), |
---|
| 3617 | .se (se), |
---|
| 3618 | .si (), |
---|
| 3619 | .so () |
---|
| 3620 | ); |
---|
| 3621 | // |
---|
| 3622 | dffe_s dffe_pstate0_priv ( |
---|
| 3623 | .din (restore_pstate0[`PSTATE_PRIV]), |
---|
| 3624 | .q (true_pstate0[`PSTATE_PRIV]), |
---|
| 3625 | .en (pstate_priv_update_g[0]), |
---|
| 3626 | .clk (clk), |
---|
| 3627 | .se (se), |
---|
| 3628 | .si (), |
---|
| 3629 | .so () |
---|
| 3630 | ); |
---|
| 3631 | // modified for hypervisor support |
---|
| 3632 | assign restore_pstate0[11:10] = 2'b0; |
---|
| 3633 | assign restore_pstate0[0] = 1'b0; |
---|
| 3634 | // |
---|
| 3635 | // modified to reflect the physical implementation |
---|
| 3636 | // assign hpstate_dnrtry_priv_w2[0] = |
---|
| 3637 | (true_hpstate0[`HPSTATE_ENB])? |
---|
| 3638 | tsa_dnrtry_hpstate_w2[`HPSTATE_PRIV] : |
---|
| 3639 | dnrtry_pstate_w2[`WSR_PSTATE_VR_PRIV]; |
---|
| 3640 | */ |
---|
| 3641 | mux2ds mx_hpstate_dnrtry_priv_w2_0 ( |
---|
| 3642 | .in0 (tsa_dnrtry_hpstate_w2[`HPSTATE_PRIV]), |
---|
| 3643 | .in1 (dnrtry_pstate_w2[`WSR_PSTATE_VR_PRIV]), |
---|
| 3644 | .sel0 (true_hpstate0[`HPSTATE_ENB]), |
---|
| 3645 | .sel1 (~true_hpstate0[`HPSTATE_ENB]), |
---|
| 3646 | .dout (hpstate_dnrtry_priv_w2[0]) |
---|
| 3647 | ); |
---|
| 3648 | // |
---|
| 3649 | assign dnrtry_hpstate0_w2[`TLU_HPSTATE_WIDTH-1:0] = |
---|
| 3650 | {tsa_dnrtry_hpstate_w2[`TSA_HTSTATE_WIDTH-1], |
---|
| 3651 | true_hpstate0[`HPSTATE_ENB], |
---|
| 3652 | tsa_dnrtry_hpstate_w2[`HPSTATE_RED], |
---|
| 3653 | hpstate_dnrtry_priv_w2[0], |
---|
| 3654 | tsa_dnrtry_hpstate_w2[`HPSTATE_TLZ]}; |
---|
| 3655 | |
---|
| 3656 | // added for bug 3747 |
---|
| 3657 | assign hpstate_priv_set = ~(tlu_select_tba_w2) | tlu_select_redmode; |
---|
| 3658 | // |
---|
| 3659 | // constructing the hpstate for hyper-privileged traps |
---|
| 3660 | // |
---|
| 3661 | assign hntrap_hpstate0_w2[`TLU_HPSTATE_WIDTH-1:0] = |
---|
| 3662 | {hpstate_ibe_set[0], |
---|
| 3663 | hpstate_enb_set[0], |
---|
| 3664 | hpstate_redmode, // Redmode bit |
---|
| 3665 | // modified for bug 3747 |
---|
| 3666 | hpstate_priv_set, // hyper-privileged bit |
---|
| 3667 | hpstate_tlz_set[0]}; // TLZ interrupt bit |
---|
| 3668 | |
---|
| 3669 | assign tlu_hpstate_hnt_sel0 = |
---|
| 3670 | ~(tlu_hpstate_din_sel0[0] | tlu_hpstate_wsr_sel0); |
---|
| 3671 | // |
---|
| 3672 | assign tlu_hpstate_wsr_sel0 = |
---|
| 3673 | tlu_hpstate_din_sel0[1] | |
---|
| 3674 | (~true_hpstate0[`HPSTATE_ENB] & tlu_pstate_din_sel0[1]); |
---|
| 3675 | |
---|
| 3676 | mux3ds #(`TLU_HPSTATE_WIDTH) mux_restore_hpstate0( |
---|
| 3677 | .in0 (dnrtry_hpstate0_w2[`TLU_HPSTATE_WIDTH-1:0]), |
---|
| 3678 | .in1 (wsr_data_hpstate_w2[`TLU_HPSTATE_WIDTH-1:0]), |
---|
| 3679 | .in2 (hntrap_hpstate0_w2[`TLU_HPSTATE_WIDTH-1:0]), |
---|
| 3680 | .sel0 (tlu_hpstate_din_sel0[0]), |
---|
| 3681 | .sel1 (tlu_hpstate_wsr_sel0), |
---|
| 3682 | .sel2 (tlu_hpstate_hnt_sel0), |
---|
| 3683 | .dout (restore_hpstate0[`TLU_HPSTATE_WIDTH-1:0]) |
---|
| 3684 | ); |
---|
| 3685 | // |
---|
| 3686 | // need to initialize hpstate.enb = 0 |
---|
| 3687 | // need to initialize hpstate.ibe = 0 |
---|
| 3688 | // modified due to the addition of hpstate.ibe |
---|
| 3689 | `ifdef FPGA_SYN_CLK_DFF |
---|
| 3690 | dffre_s #(2) dffr_true_hpst0_enb_ibe ( |
---|
| 3691 | .din (restore_hpstate0[`TLU_HPSTATE_WIDTH-1:`TLU_HPSTATE_WIDTH-2]), |
---|
| 3692 | .q (true_hpstate0[`TLU_HPSTATE_WIDTH-1:`TLU_HPSTATE_WIDTH-2]), |
---|
| 3693 | .rst (local_rst), |
---|
| 3694 | .en (~(tlu_update_hpstate_l_w2[0])), .clk(clk), |
---|
| 3695 | .se (se), |
---|
| 3696 | .si (), |
---|
| 3697 | .so () |
---|
| 3698 | ); |
---|
| 3699 | `else |
---|
| 3700 | dffr_s #(2) dffr_true_hpst0_enb_ibe ( |
---|
| 3701 | .din (restore_hpstate0[`TLU_HPSTATE_WIDTH-1:`TLU_HPSTATE_WIDTH-2]), |
---|
| 3702 | .q (true_hpstate0[`TLU_HPSTATE_WIDTH-1:`TLU_HPSTATE_WIDTH-2]), |
---|
| 3703 | .rst (local_rst), |
---|
| 3704 | .clk (hpstate0_clk), |
---|
| 3705 | .se (se), |
---|
| 3706 | .si (), |
---|
| 3707 | .so () |
---|
| 3708 | ); |
---|
| 3709 | `endif |
---|
| 3710 | // |
---|
| 3711 | `ifdef FPGA_SYN_CLK_DFF |
---|
| 3712 | dffe_s #(2) dff_true_hpstate0 ( |
---|
| 3713 | .din ({restore_hpstate0[`HPSTATE_RED], |
---|
| 3714 | restore_hpstate0[`HPSTATE_TLZ]}), |
---|
| 3715 | .q ({true_hpstate0[`HPSTATE_RED], |
---|
| 3716 | true_hpstate0[`HPSTATE_TLZ]}), |
---|
| 3717 | .en (~(tlu_update_hpstate_l_w2[0])), .clk(clk), |
---|
| 3718 | .se (se), |
---|
| 3719 | .si (), |
---|
| 3720 | .so () |
---|
| 3721 | ); |
---|
| 3722 | `else |
---|
| 3723 | dff_s #(2) dff_true_hpstate0 ( |
---|
| 3724 | .din ({restore_hpstate0[`HPSTATE_RED], |
---|
| 3725 | restore_hpstate0[`HPSTATE_TLZ]}), |
---|
| 3726 | .q ({true_hpstate0[`HPSTATE_RED], |
---|
| 3727 | true_hpstate0[`HPSTATE_TLZ]}), |
---|
| 3728 | .clk (hpstate0_clk), |
---|
| 3729 | .se (se), |
---|
| 3730 | .si (), |
---|
| 3731 | .so () |
---|
| 3732 | ); |
---|
| 3733 | `endif |
---|
| 3734 | // |
---|
| 3735 | dffe_s dffe_hpstate0_priv ( |
---|
| 3736 | .din (restore_hpstate0[`HPSTATE_PRIV]), |
---|
| 3737 | .q (true_hpstate0[`HPSTATE_PRIV]), |
---|
| 3738 | .en (hpstate_priv_update_w2[0]), |
---|
| 3739 | .clk (clk), |
---|
| 3740 | .se (se), |
---|
| 3741 | .si (), |
---|
| 3742 | .so () |
---|
| 3743 | ); |
---|
| 3744 | |
---|
| 3745 | assign tlu_ifu_pstate_pef[0] = true_pstate0[`PSTATE_PEF]; |
---|
| 3746 | assign tlu_lsu_pstate_cle[0] = true_pstate0[`PSTATE_CLE]; |
---|
| 3747 | assign tlu_lsu_pstate_priv[0] = true_pstate0[`PSTATE_PRIV]; |
---|
| 3748 | assign tlu_int_pstate_ie[0] = true_pstate0[`PSTATE_IE]; |
---|
| 3749 | assign local_pstate_ie[0] = true_pstate0[`PSTATE_IE]; |
---|
| 3750 | // assign tlu_pstate_cle[0] = true_pstate0[`PSTATE_CLE]; |
---|
| 3751 | assign tlu_pstate_tle[0] = true_pstate0[`PSTATE_TLE]; |
---|
| 3752 | // assign tlu_pstate_priv[0] = true_pstate0[`PSTATE_PRIV]; |
---|
| 3753 | assign local_pstate_priv[0] = true_pstate0[`PSTATE_PRIV]; |
---|
| 3754 | assign tlu_pstate_am[0] = true_pstate0[`PSTATE_AM]; |
---|
| 3755 | assign tlu_int_redmode[0] = true_hpstate0[`HPSTATE_RED]; |
---|
| 3756 | assign tlu_lsu_redmode[0] = true_hpstate0[`HPSTATE_RED]; |
---|
| 3757 | // |
---|
| 3758 | // hypervisor privilege indicator |
---|
| 3759 | assign tlu_hpstate_priv[0] = true_hpstate0[`HPSTATE_PRIV]; |
---|
| 3760 | assign local_hpstate_priv[0] = true_hpstate0[`HPSTATE_PRIV]; |
---|
| 3761 | assign tcl_hpstate_priv[0] = true_hpstate0[`HPSTATE_PRIV]; |
---|
| 3762 | // |
---|
| 3763 | // hypervisor lite mode selector |
---|
| 3764 | assign tlu_hpstate_enb[0] = true_hpstate0[`HPSTATE_ENB]; |
---|
| 3765 | assign local_hpstate_enb[0] = true_hpstate0[`HPSTATE_ENB]; |
---|
| 3766 | assign tcl_hpstate_enb[0] = true_hpstate0[`HPSTATE_ENB]; |
---|
| 3767 | |
---|
| 3768 | // hypervisor tlz indicator |
---|
| 3769 | assign tlu_hpstate_tlz[0] = true_hpstate0[`HPSTATE_TLZ]; |
---|
| 3770 | |
---|
| 3771 | // hypervisor instruction breakpt enable |
---|
| 3772 | assign tlu_hpstate_ibe[0] = true_hpstate0[`HPSTATE_IBE]; |
---|
| 3773 | |
---|
| 3774 | `ifdef FPGA_SYN_1THREAD |
---|
| 3775 | assign tlu_ifu_pstate_pef[3:1] = 3'b000; |
---|
| 3776 | assign tlu_lsu_pstate_cle[3:1] = 3'b000; |
---|
| 3777 | assign tlu_lsu_pstate_priv[3:1] = 3'b000; |
---|
| 3778 | assign tlu_int_pstate_ie[3:1] = 3'b000; |
---|
| 3779 | assign local_pstate_ie[3:1] = 3'b000; |
---|
| 3780 | assign tlu_pstate_tle[3:1] = 3'b000; |
---|
| 3781 | assign local_pstate_priv[3:1] = 3'b000; |
---|
| 3782 | assign tlu_pstate_am[3:1] = 3'b000; |
---|
| 3783 | assign tlu_int_redmode[3:1] = 3'b000; |
---|
| 3784 | assign tlu_lsu_redmode[3:1] = 3'b000; |
---|
| 3785 | assign tlu_hpstate_priv[3:1] = 3'b000; |
---|
| 3786 | assign local_hpstate_priv[3:1] = 3'b000; |
---|
| 3787 | assign tcl_hpstate_priv[3:1] = 3'b000; |
---|
| 3788 | assign tlu_hpstate_enb[3:1] = 3'b000; |
---|
| 3789 | assign local_hpstate_enb[3:1] = 3'b000; |
---|
| 3790 | assign tcl_hpstate_enb[3:1] = 3'b000; |
---|
| 3791 | assign tlu_hpstate_tlz[3:1] = 3'b000; |
---|
| 3792 | assign tlu_hpstate_ibe[3:1] = 3'b000; |
---|
| 3793 | |
---|
| 3794 | `else |
---|
| 3795 | |
---|
| 3796 | // THREAD 1 |
---|
| 3797 | assign tlu_pstate_nt_sel1 = |
---|
| 3798 | ~(tlu_pstate_din_sel1[0] | tlu_pstate_wsr_sel1); |
---|
| 3799 | // |
---|
| 3800 | // modified for bug 3349 |
---|
| 3801 | assign tlu_pstate_wsr_sel1 = |
---|
| 3802 | tlu_pstate_din_sel1[1] | |
---|
| 3803 | (~(true_hpstate1[`HPSTATE_ENB] & wsr_data_w2[`WSR_HPSTATE_ENB]) & |
---|
| 3804 | tlu_hpstate_din_sel1[1]); |
---|
| 3805 | // (~true_hpstate1[`HPSTATE_ENB] & tlu_hpstate_din_sel1[1]); |
---|
| 3806 | |
---|
| 3807 | mux3ds #(`WSR_PSTATE_VR_WIDTH) mux_restore_pstate1( |
---|
| 3808 | .in0 (dnrtry_pstate_w2[`WSR_PSTATE_VR_WIDTH-1:0]), |
---|
| 3809 | .in1 (wsr_data_pstate_w2[`WSR_PSTATE_VR_WIDTH-1:0]), |
---|
| 3810 | .in2 (ntrap_pstate1[`WSR_PSTATE_VR_WIDTH-1:0]), |
---|
| 3811 | .sel0 (tlu_pstate_din_sel1[0]), |
---|
| 3812 | .sel1 (tlu_pstate_wsr_sel1), |
---|
| 3813 | .sel2 (tlu_pstate_nt_sel1), |
---|
| 3814 | .dout (restore_pstate1[`WSR_PSTATE_VR_WIDTH-1:0]) |
---|
| 3815 | ); |
---|
| 3816 | |
---|
| 3817 | `ifdef FPGA_SYN_CLK_DFF |
---|
| 3818 | dffe_s #(`WSR_PSTATE_VR_WIDTH-1) dff_restore_pstate1_w3 ( |
---|
| 3819 | .din ({restore_pstate1[`WSR_PSTATE_VRANGE2_HI:`WSR_PSTATE_VRANGE1_HI-1], |
---|
| 3820 | restore_pstate1[`WSR_PSTATE_VRANGE1_LO]}), |
---|
| 3821 | .q ({restore_pstate1_w3[`WSR_PSTATE_VRANGE2_HI:`WSR_PSTATE_VRANGE1_HI-1], |
---|
| 3822 | restore_pstate1_w3[`WSR_PSTATE_VRANGE1_LO]}), |
---|
| 3823 | .en (~(tlu_update_pstate_l_w2[1])), .clk(clk), |
---|
| 3824 | .se (se), |
---|
| 3825 | .si (), |
---|
| 3826 | .so () |
---|
| 3827 | ); |
---|
| 3828 | `else |
---|
| 3829 | dff_s #(`WSR_PSTATE_VR_WIDTH-1) dff_restore_pstate1_w3 ( |
---|
| 3830 | .din ({restore_pstate1[`WSR_PSTATE_VRANGE2_HI:`WSR_PSTATE_VRANGE1_HI-1], |
---|
| 3831 | restore_pstate1[`WSR_PSTATE_VRANGE1_LO]}), |
---|
| 3832 | .q ({restore_pstate1_w3[`WSR_PSTATE_VRANGE2_HI:`WSR_PSTATE_VRANGE1_HI-1], |
---|
| 3833 | restore_pstate1_w3[`WSR_PSTATE_VRANGE1_LO]}), |
---|
| 3834 | .clk (pstate1_clk), |
---|
| 3835 | .se (se), |
---|
| 3836 | .si (), |
---|
| 3837 | .so () |
---|
| 3838 | ); |
---|
| 3839 | `endif |
---|
| 3840 | // |
---|
| 3841 | dffe_s dffe_pstate1_priv ( |
---|
| 3842 | .din (restore_pstate1[`WSR_PSTATE_VR_PRIV]), |
---|
| 3843 | .q (restore_pstate1_w3[`WSR_PSTATE_VR_PRIV]), |
---|
| 3844 | .en (pstate_priv_update_w2[1]), |
---|
| 3845 | .clk (clk), |
---|
| 3846 | .se (se), |
---|
| 3847 | .si (), |
---|
| 3848 | .so () |
---|
| 3849 | ); |
---|
| 3850 | // |
---|
| 3851 | // modified to reflect the physical implementation |
---|
| 3852 | /* |
---|
| 3853 | assign hpstate_dnrtry_priv_w2[1] = |
---|
| 3854 | (true_hpstate1[`HPSTATE_ENB])? |
---|
| 3855 | tsa_dnrtry_hpstate_w2[`HPSTATE_PRIV] : |
---|
| 3856 | dnrtry_pstate_w2[`WSR_PSTATE_VR_PRIV]; |
---|
| 3857 | */ |
---|
| 3858 | mux2ds mx_hpstate_dnrtry_priv_w2_1 ( |
---|
| 3859 | .in0 (tsa_dnrtry_hpstate_w2[`HPSTATE_PRIV]), |
---|
| 3860 | .in1 (dnrtry_pstate_w2[`WSR_PSTATE_VR_PRIV]), |
---|
| 3861 | .sel0 (true_hpstate1[`HPSTATE_ENB]), |
---|
| 3862 | .sel1 (~true_hpstate1[`HPSTATE_ENB]), |
---|
| 3863 | .dout (hpstate_dnrtry_priv_w2[1]) |
---|
| 3864 | ); |
---|
| 3865 | // |
---|
| 3866 | assign dnrtry_hpstate1_w2[`TLU_HPSTATE_WIDTH-1:0] = |
---|
| 3867 | {tsa_dnrtry_hpstate_w2[`TSA_HTSTATE_WIDTH-1], |
---|
| 3868 | true_hpstate1[`HPSTATE_ENB], |
---|
| 3869 | tsa_dnrtry_hpstate_w2[`HPSTATE_RED], |
---|
| 3870 | hpstate_dnrtry_priv_w2[1], |
---|
| 3871 | tsa_dnrtry_hpstate_w2[`HPSTATE_TLZ]}; |
---|
| 3872 | // |
---|
| 3873 | // true_pstate1 assignments |
---|
| 3874 | assign true_pstate1[`PSTATE_TRUE_WIDTH-1:0] = |
---|
| 3875 | {2'b0, // tlu_select_int_global - replaced by gl register |
---|
| 3876 | // tlu_select_mmu_global - replaced by gl register |
---|
| 3877 | restore_pstate1_w3[`WSR_PSTATE_VRANGE2_HI:`WSR_PSTATE_VRANGE2_LO], |
---|
| 3878 | 2'b0, // fixed mmodel - TSO |
---|
| 3879 | 1'b0, // redmode - replaced by hpstate.red |
---|
| 3880 | restore_pstate1_w3[`WSR_PSTATE_VRANGE1_HI:`WSR_PSTATE_VRANGE1_LO], |
---|
| 3881 | 1'b0}; // tlu_select_alt_global - replaced by gl register |
---|
| 3882 | // |
---|
| 3883 | // modified for timing |
---|
| 3884 | /* |
---|
| 3885 | mux3ds #(9) mux_restore_pstate1( |
---|
| 3886 | .in0 (dnrtry_pstate[`PSTATE_TRUE_WIDTH-3:1]), |
---|
| 3887 | .in1 (wsr_data_pstate_g[`PSTATE_TRUE_WIDTH-3:1]), |
---|
| 3888 | .in2 (ntrap_pstate1[`PSTATE_TRUE_WIDTH-3:1]), |
---|
| 3889 | .sel0 (tlu_pstate_din_sel1[0]), |
---|
| 3890 | // modified for bug 2584 |
---|
| 3891 | // .sel1 (tlu_pstate_din_sel1[1]), |
---|
| 3892 | .sel1 (tlu_pstate_wsr_sel1), |
---|
| 3893 | .sel2 (tlu_pstate_nt_sel1), |
---|
| 3894 | .dout (restore_pstate1[`PSTATE_TRUE_WIDTH-3:1]) |
---|
| 3895 | ); |
---|
| 3896 | |
---|
| 3897 | `ifdef FPGA_SYN_CLK_DFF |
---|
| 3898 | dffe_s #(`PSTATE_TRUE_WIDTH) pstate1_1 ( |
---|
| 3899 | .din (restore_pstate1[`PSTATE_TRUE_WIDTH-1:0]), |
---|
| 3900 | .q (true_pstate1[`PSTATE_TRUE_WIDTH-1:0]), |
---|
| 3901 | .en (~(tlu_update_pstate_l_w2[1])), .clk(clk), |
---|
| 3902 | .se (se), |
---|
| 3903 | .si (), |
---|
| 3904 | .so () |
---|
| 3905 | ); |
---|
| 3906 | `else |
---|
| 3907 | dff_s #(`PSTATE_TRUE_WIDTH) pstate1_1 ( |
---|
| 3908 | .din (restore_pstate1[`PSTATE_TRUE_WIDTH-1:0]), |
---|
| 3909 | .q (true_pstate1[`PSTATE_TRUE_WIDTH-1:0]), |
---|
| 3910 | .clk (pstate1_clk), |
---|
| 3911 | .se (se), |
---|
| 3912 | .si (), |
---|
| 3913 | .so () |
---|
| 3914 | ); |
---|
| 3915 | `endif |
---|
| 3916 | // |
---|
| 3917 | `ifdef FPGA_SYN_CLK_DFF |
---|
| 3918 | dffe_s #(`PSTATE_TRUE_WIDTH-1) dff_true_pstate1 ( |
---|
| 3919 | .din ({restore_pstate1[`PSTATE_TRUE_WIDTH-1:3], |
---|
| 3920 | restore_pstate1[1:0]}), |
---|
| 3921 | .q ({true_pstate1[`PSTATE_TRUE_WIDTH-1:3], |
---|
| 3922 | true_pstate1[1:0]}), |
---|
| 3923 | .en (~(tlu_update_pstate_l_w2[1])), .clk(clk), |
---|
| 3924 | .se (se), |
---|
| 3925 | .si (), |
---|
| 3926 | .so () |
---|
| 3927 | ); |
---|
| 3928 | `else |
---|
| 3929 | dff_s #(`PSTATE_TRUE_WIDTH-1) dff_true_pstate1 ( |
---|
| 3930 | .din ({restore_pstate1[`PSTATE_TRUE_WIDTH-1:3], |
---|
| 3931 | restore_pstate1[1:0]}), |
---|
| 3932 | .q ({true_pstate1[`PSTATE_TRUE_WIDTH-1:3], |
---|
| 3933 | true_pstate1[1:0]}), |
---|
| 3934 | .clk (pstate1_clk), |
---|
| 3935 | .se (se), |
---|
| 3936 | .si (), |
---|
| 3937 | .so () |
---|
| 3938 | ); |
---|
| 3939 | `endif |
---|
| 3940 | // |
---|
| 3941 | dffe_s dffe_pstate1_priv ( |
---|
| 3942 | .din (restore_pstate1[`PSTATE_PRIV]), |
---|
| 3943 | .q (true_pstate1[`PSTATE_PRIV]), |
---|
| 3944 | .en (pstate_priv_update_g[1]), |
---|
| 3945 | .clk (clk), |
---|
| 3946 | .se (se), |
---|
| 3947 | .si (), |
---|
| 3948 | .so () |
---|
| 3949 | ); |
---|
| 3950 | // |
---|
| 3951 | // modified for hypervisor support |
---|
| 3952 | assign restore_pstate1[11:10] = 2'b0; |
---|
| 3953 | assign restore_pstate1[0] = 1'b0; |
---|
| 3954 | */ |
---|
| 3955 | // |
---|
| 3956 | // constructing the hpstate for hyper-privileged traps |
---|
| 3957 | // |
---|
| 3958 | assign hntrap_hpstate1_w2[`TLU_HPSTATE_WIDTH-1:0] = |
---|
| 3959 | {hpstate_ibe_set[1], |
---|
| 3960 | hpstate_enb_set[1], |
---|
| 3961 | hpstate_redmode, // Redmode bit |
---|
| 3962 | hpstate_priv_set, // hyper-privileged bit |
---|
| 3963 | hpstate_tlz_set[1]}; // TLZ interrupt bit |
---|
| 3964 | // |
---|
| 3965 | assign tlu_hpstate_hnt_sel1 = |
---|
| 3966 | ~(tlu_hpstate_din_sel1[0] | tlu_hpstate_wsr_sel1); |
---|
| 3967 | // |
---|
| 3968 | assign tlu_hpstate_wsr_sel1 = |
---|
| 3969 | tlu_hpstate_din_sel1[1] | |
---|
| 3970 | (~true_hpstate1[`HPSTATE_ENB] & tlu_pstate_din_sel1[1]); |
---|
| 3971 | |
---|
| 3972 | mux3ds #(`TLU_HPSTATE_WIDTH) mux_restore_hpstate1 ( |
---|
| 3973 | .in0 (dnrtry_hpstate1_w2[`TLU_HPSTATE_WIDTH-1:0]), |
---|
| 3974 | .in1 (wsr_data_hpstate_w2[`TLU_HPSTATE_WIDTH-1:0]), |
---|
| 3975 | .in2 (hntrap_hpstate1_w2[`TLU_HPSTATE_WIDTH-1:0]), |
---|
| 3976 | .sel0 (tlu_hpstate_din_sel1[0]), |
---|
| 3977 | .sel1 (tlu_hpstate_wsr_sel1), |
---|
| 3978 | .sel2 (tlu_hpstate_hnt_sel1), |
---|
| 3979 | .dout (restore_hpstate1[`TLU_HPSTATE_WIDTH-1:0]) |
---|
| 3980 | ); |
---|
| 3981 | |
---|
| 3982 | // need to initialize hpstate.enb = 0 |
---|
| 3983 | // need to initialize hpstate.ibe = 0 |
---|
| 3984 | // modified due to the addition of hpstate.ibe |
---|
| 3985 | `ifdef FPGA_SYN_CLK_DFF |
---|
| 3986 | dffre_s #(2) dffr_true_hpst1_enb_ibe ( |
---|
| 3987 | .din (restore_hpstate1[`TLU_HPSTATE_WIDTH-1:`TLU_HPSTATE_WIDTH-2]), |
---|
| 3988 | .q (true_hpstate1[`TLU_HPSTATE_WIDTH-1:`TLU_HPSTATE_WIDTH-2]), |
---|
| 3989 | .rst (local_rst), |
---|
| 3990 | .en (~(tlu_update_hpstate_l_w2[1])), .clk(clk), |
---|
| 3991 | .se (se), |
---|
| 3992 | .si (), |
---|
| 3993 | .so () |
---|
| 3994 | ); |
---|
| 3995 | `else |
---|
| 3996 | dffr_s #(2) dffr_true_hpst1_enb_ibe ( |
---|
| 3997 | .din (restore_hpstate1[`TLU_HPSTATE_WIDTH-1:`TLU_HPSTATE_WIDTH-2]), |
---|
| 3998 | .q (true_hpstate1[`TLU_HPSTATE_WIDTH-1:`TLU_HPSTATE_WIDTH-2]), |
---|
| 3999 | .rst (local_rst), |
---|
| 4000 | .clk (hpstate1_clk), |
---|
| 4001 | .se (se), |
---|
| 4002 | .si (), |
---|
| 4003 | .so () |
---|
| 4004 | ); |
---|
| 4005 | `endif |
---|
| 4006 | // |
---|
| 4007 | `ifdef FPGA_SYN_CLK_DFF |
---|
| 4008 | dffe_s #(2) dff_true_hpstate1 ( |
---|
| 4009 | .din ({restore_hpstate1[`HPSTATE_RED], |
---|
| 4010 | restore_hpstate1[`HPSTATE_TLZ]}), |
---|
| 4011 | .q ({true_hpstate1[`HPSTATE_RED], |
---|
| 4012 | true_hpstate1[`HPSTATE_TLZ]}), |
---|
| 4013 | .en (~(tlu_update_hpstate_l_w2[1])), .clk(clk), |
---|
| 4014 | .se (se), |
---|
| 4015 | .si (), |
---|
| 4016 | .so () |
---|
| 4017 | ); |
---|
| 4018 | `else |
---|
| 4019 | dff_s #(2) dff_true_hpstate1 ( |
---|
| 4020 | .din ({restore_hpstate1[`HPSTATE_RED], |
---|
| 4021 | restore_hpstate1[`HPSTATE_TLZ]}), |
---|
| 4022 | .q ({true_hpstate1[`HPSTATE_RED], |
---|
| 4023 | true_hpstate1[`HPSTATE_TLZ]}), |
---|
| 4024 | .clk (hpstate1_clk), |
---|
| 4025 | .se (se), |
---|
| 4026 | .si (), |
---|
| 4027 | .so () |
---|
| 4028 | ); |
---|
| 4029 | `endif |
---|
| 4030 | // |
---|
| 4031 | dffe_s dffe_hpstate1_priv ( |
---|
| 4032 | .din (restore_hpstate1[`HPSTATE_PRIV]), |
---|
| 4033 | .q (true_hpstate1[`HPSTATE_PRIV]), |
---|
| 4034 | .en (hpstate_priv_update_w2[1]), |
---|
| 4035 | .clk (clk), |
---|
| 4036 | .se (se), |
---|
| 4037 | .si (), |
---|
| 4038 | .so () |
---|
| 4039 | ); |
---|
| 4040 | |
---|
| 4041 | assign tlu_ifu_pstate_pef[1] = true_pstate1[`PSTATE_PEF]; |
---|
| 4042 | assign tlu_lsu_pstate_cle[1] = true_pstate1[`PSTATE_CLE]; |
---|
| 4043 | assign tlu_lsu_pstate_priv[1] = true_pstate1[`PSTATE_PRIV]; |
---|
| 4044 | assign tlu_int_pstate_ie[1] = true_pstate1[`PSTATE_IE]; |
---|
| 4045 | assign local_pstate_ie[1] = true_pstate1[`PSTATE_IE]; |
---|
| 4046 | // assign tlu_pstate_cle[1] = true_pstate1[`PSTATE_CLE]; |
---|
| 4047 | assign tlu_pstate_tle[1] = true_pstate1[`PSTATE_TLE]; |
---|
| 4048 | // assign tlu_pstate_priv[1] = true_pstate1[`PSTATE_PRIV]; |
---|
| 4049 | assign local_pstate_priv[1] = true_pstate1[`PSTATE_PRIV]; |
---|
| 4050 | assign tlu_pstate_am[1] = true_pstate1[`PSTATE_AM]; |
---|
| 4051 | // assign tlu_pstate1_mmodel[1:0] = true_pstate1[`PSTATE_MM_HI:`PSTATE_MM_LO]; |
---|
| 4052 | // |
---|
| 4053 | assign tlu_int_redmode[1] = true_hpstate1[`HPSTATE_RED]; |
---|
| 4054 | assign tlu_lsu_redmode[1] = true_hpstate1[`HPSTATE_RED]; |
---|
| 4055 | // |
---|
| 4056 | // hypervisor privilege indicator |
---|
| 4057 | assign tlu_hpstate_priv[1] = true_hpstate1[`HPSTATE_PRIV]; |
---|
| 4058 | assign local_hpstate_priv[1] = true_hpstate1[`HPSTATE_PRIV]; |
---|
| 4059 | assign tcl_hpstate_priv[1] = true_hpstate1[`HPSTATE_PRIV]; |
---|
| 4060 | // |
---|
| 4061 | // hypervisor lite mode selector |
---|
| 4062 | assign tlu_hpstate_enb[1] = true_hpstate1[`HPSTATE_ENB]; |
---|
| 4063 | assign local_hpstate_enb[1] = true_hpstate1[`HPSTATE_ENB]; |
---|
| 4064 | assign tcl_hpstate_enb[1] = true_hpstate1[`HPSTATE_ENB]; |
---|
| 4065 | |
---|
| 4066 | // hypervisor tlz indicator |
---|
| 4067 | assign tlu_hpstate_tlz[1] = true_hpstate1[`HPSTATE_TLZ]; |
---|
| 4068 | |
---|
| 4069 | // hypervisor instruction breakpt enable |
---|
| 4070 | assign tlu_hpstate_ibe[1] = true_hpstate1[`HPSTATE_IBE]; |
---|
| 4071 | |
---|
| 4072 | // THREAD2 |
---|
| 4073 | // added for bug 1575 |
---|
| 4074 | // modified for bug 2584 |
---|
| 4075 | // assign tlu_pstate_nt_sel2 = ~|(tlu_pstate_din_sel2[1:0]); |
---|
| 4076 | assign tlu_pstate_nt_sel2 = |
---|
| 4077 | ~(tlu_pstate_din_sel2[0] | tlu_pstate_wsr_sel2); |
---|
| 4078 | // |
---|
| 4079 | // modified for bug 3349 |
---|
| 4080 | assign tlu_pstate_wsr_sel2 = |
---|
| 4081 | tlu_pstate_din_sel2[1] | |
---|
| 4082 | (~(true_hpstate2[`HPSTATE_ENB] & wsr_data_w2[`WSR_HPSTATE_ENB]) & |
---|
| 4083 | tlu_hpstate_din_sel2[1]); |
---|
| 4084 | // (~true_hpstate2[`HPSTATE_ENB] & tlu_hpstate_din_sel2[1]); |
---|
| 4085 | |
---|
| 4086 | mux3ds #(`WSR_PSTATE_VR_WIDTH) mux_restore_pstate2( |
---|
| 4087 | .in0 (dnrtry_pstate_w2[`WSR_PSTATE_VR_WIDTH-1:0]), |
---|
| 4088 | .in1 (wsr_data_pstate_w2[`WSR_PSTATE_VR_WIDTH-1:0]), |
---|
| 4089 | .in2 (ntrap_pstate2[`WSR_PSTATE_VR_WIDTH-1:0]), |
---|
| 4090 | .sel0 (tlu_pstate_din_sel2[0]), |
---|
| 4091 | .sel1 (tlu_pstate_wsr_sel2), |
---|
| 4092 | .sel2 (tlu_pstate_nt_sel2), |
---|
| 4093 | .dout (restore_pstate2[`WSR_PSTATE_VR_WIDTH-1:0]) |
---|
| 4094 | ); |
---|
| 4095 | |
---|
| 4096 | `ifdef FPGA_SYN_CLK_DFF |
---|
| 4097 | dffe_s #(`WSR_PSTATE_VR_WIDTH-1) dff_restore_pstate2_w3 ( |
---|
| 4098 | .din ({restore_pstate2[`WSR_PSTATE_VRANGE2_HI:`WSR_PSTATE_VRANGE1_HI-1], |
---|
| 4099 | restore_pstate2[`WSR_PSTATE_VRANGE1_LO]}), |
---|
| 4100 | .q ({restore_pstate2_w3[`WSR_PSTATE_VRANGE2_HI:`WSR_PSTATE_VRANGE1_HI-1], |
---|
| 4101 | restore_pstate2_w3[`WSR_PSTATE_VRANGE1_LO]}), |
---|
| 4102 | .en (~(tlu_update_pstate_l_w2[2])), .clk(clk), |
---|
| 4103 | .se (se), |
---|
| 4104 | .si (), |
---|
| 4105 | .so () |
---|
| 4106 | ); |
---|
| 4107 | `else |
---|
| 4108 | dff_s #(`WSR_PSTATE_VR_WIDTH-1) dff_restore_pstate2_w3 ( |
---|
| 4109 | .din ({restore_pstate2[`WSR_PSTATE_VRANGE2_HI:`WSR_PSTATE_VRANGE1_HI-1], |
---|
| 4110 | restore_pstate2[`WSR_PSTATE_VRANGE1_LO]}), |
---|
| 4111 | .q ({restore_pstate2_w3[`WSR_PSTATE_VRANGE2_HI:`WSR_PSTATE_VRANGE1_HI-1], |
---|
| 4112 | restore_pstate2_w3[`WSR_PSTATE_VRANGE1_LO]}), |
---|
| 4113 | .clk (pstate2_clk), |
---|
| 4114 | .se (se), |
---|
| 4115 | .si (), |
---|
| 4116 | .so () |
---|
| 4117 | ); |
---|
| 4118 | `endif |
---|
| 4119 | // |
---|
| 4120 | dffe_s dffe_pstate2_priv ( |
---|
| 4121 | .din (restore_pstate2[`WSR_PSTATE_VR_PRIV]), |
---|
| 4122 | .q (restore_pstate2_w3[`WSR_PSTATE_VR_PRIV]), |
---|
| 4123 | .en (pstate_priv_update_w2[2]), |
---|
| 4124 | .clk (clk), |
---|
| 4125 | .se (se), |
---|
| 4126 | .si (), |
---|
| 4127 | .so () |
---|
| 4128 | ); |
---|
| 4129 | // |
---|
| 4130 | // true_pstate2 assignments |
---|
| 4131 | assign true_pstate2[`PSTATE_TRUE_WIDTH-1:0] = |
---|
| 4132 | {2'b0, // tlu_select_int_global - replaced by gl register |
---|
| 4133 | // tlu_select_mmu_global - replaced by gl register |
---|
| 4134 | restore_pstate2_w3[`WSR_PSTATE_VRANGE2_HI:`WSR_PSTATE_VRANGE2_LO], |
---|
| 4135 | 2'b0, // fixed mmodel - TSO |
---|
| 4136 | 1'b0, // redmode - replaced by hpstate.red |
---|
| 4137 | restore_pstate2_w3[`WSR_PSTATE_VRANGE1_HI:`WSR_PSTATE_VRANGE1_LO], |
---|
| 4138 | 1'b0}; // tlu_select_alt_global - replaced by gl register |
---|
| 4139 | // |
---|
| 4140 | // modified for timing |
---|
| 4141 | /* |
---|
| 4142 | mux3ds #(9) mux_restore_pstate2( |
---|
| 4143 | .in0 (dnrtry_pstate[`PSTATE_TRUE_WIDTH-3:1]), |
---|
| 4144 | .in1 (wsr_data_pstate_g[`PSTATE_TRUE_WIDTH-3:1]), |
---|
| 4145 | .in2 (ntrap_pstate2[`PSTATE_TRUE_WIDTH-3:1]), |
---|
| 4146 | .sel0 (tlu_pstate_din_sel2[0]), |
---|
| 4147 | // modified for bug 2584 |
---|
| 4148 | // .sel1 (tlu_pstate_din_sel2[1]), |
---|
| 4149 | .sel1 (tlu_pstate_wsr_sel2), |
---|
| 4150 | .sel2 (tlu_pstate_nt_sel2), |
---|
| 4151 | .dout (restore_pstate2[`PSTATE_TRUE_WIDTH-3:1]) |
---|
| 4152 | ); |
---|
| 4153 | |
---|
| 4154 | `ifdef FPGA_SYN_CLK_DFF |
---|
| 4155 | dffe_s #(`PSTATE_TRUE_WIDTH) pstate2_1 ( |
---|
| 4156 | .din (restore_pstate2[`PSTATE_TRUE_WIDTH-1:0]), |
---|
| 4157 | .q (true_pstate2[`PSTATE_TRUE_WIDTH-1:0]), |
---|
| 4158 | .en (~(tlu_update_pstate_l_w2[2])), .clk(clk), |
---|
| 4159 | .se (se), |
---|
| 4160 | .si (), |
---|
| 4161 | .so () |
---|
| 4162 | ); |
---|
| 4163 | `else |
---|
| 4164 | dff_s #(`PSTATE_TRUE_WIDTH) pstate2_1 ( |
---|
| 4165 | .din (restore_pstate2[`PSTATE_TRUE_WIDTH-1:0]), |
---|
| 4166 | .q (true_pstate2[`PSTATE_TRUE_WIDTH-1:0]), |
---|
| 4167 | .clk (pstate2_clk), |
---|
| 4168 | .se (se), |
---|
| 4169 | .si (), |
---|
| 4170 | .so () |
---|
| 4171 | ); |
---|
| 4172 | `endif |
---|
| 4173 | // |
---|
| 4174 | `ifdef FPGA_SYN_CLK_DFF |
---|
| 4175 | dffe_s #(`PSTATE_TRUE_WIDTH-1) dff_true_pstate2 ( |
---|
| 4176 | .din ({restore_pstate2[`PSTATE_TRUE_WIDTH-1:3], |
---|
| 4177 | restore_pstate2[1:0]}), |
---|
| 4178 | .q ({true_pstate2[`PSTATE_TRUE_WIDTH-1:3], |
---|
| 4179 | true_pstate2[1:0]}), |
---|
| 4180 | .en (~(tlu_update_pstate_l_w2[2])), .clk(clk), |
---|
| 4181 | .se (se), |
---|
| 4182 | .si (), |
---|
| 4183 | .so () |
---|
| 4184 | ); |
---|
| 4185 | `else |
---|
| 4186 | dff_s #(`PSTATE_TRUE_WIDTH-1) dff_true_pstate2 ( |
---|
| 4187 | .din ({restore_pstate2[`PSTATE_TRUE_WIDTH-1:3], |
---|
| 4188 | restore_pstate2[1:0]}), |
---|
| 4189 | .q ({true_pstate2[`PSTATE_TRUE_WIDTH-1:3], |
---|
| 4190 | true_pstate2[1:0]}), |
---|
| 4191 | .clk (pstate2_clk), |
---|
| 4192 | .se (se), |
---|
| 4193 | .si (), |
---|
| 4194 | .so () |
---|
| 4195 | ); |
---|
| 4196 | `endif |
---|
| 4197 | // |
---|
| 4198 | dffe_s dffe_pstate2_priv ( |
---|
| 4199 | .din (restore_pstate2[`PSTATE_PRIV]), |
---|
| 4200 | .q (true_pstate2[`PSTATE_PRIV]), |
---|
| 4201 | .en (pstate_priv_update_g[2]), |
---|
| 4202 | .clk (clk), |
---|
| 4203 | .se (se), |
---|
| 4204 | .si (), |
---|
| 4205 | .so () |
---|
| 4206 | ); |
---|
| 4207 | // |
---|
| 4208 | // modified for hypervisor support |
---|
| 4209 | assign restore_pstate2[11:10] = 2'b0; |
---|
| 4210 | assign restore_pstate2[0] = 1'b0; |
---|
| 4211 | // modified to reflect the physical implementation |
---|
| 4212 | // restructing the hpstate for done/retry instructions |
---|
| 4213 | // |
---|
| 4214 | assign hpstate_dnrtry_priv_w2[2] = |
---|
| 4215 | (true_hpstate2[`HPSTATE_ENB])? |
---|
| 4216 | tsa_dnrtry_hpstate_w2[`HPSTATE_PRIV] : |
---|
| 4217 | dnrtry_pstate_w2[`WSR_PSTATE_VR_PRIV]; |
---|
| 4218 | */ |
---|
| 4219 | mux2ds mx_hpstate_dnrtry_priv_w2_2 ( |
---|
| 4220 | .in0 (tsa_dnrtry_hpstate_w2[`HPSTATE_PRIV]), |
---|
| 4221 | .in1 (dnrtry_pstate_w2[`WSR_PSTATE_VR_PRIV]), |
---|
| 4222 | .sel0 (true_hpstate2[`HPSTATE_ENB]), |
---|
| 4223 | .sel1 (~true_hpstate2[`HPSTATE_ENB]), |
---|
| 4224 | .dout (hpstate_dnrtry_priv_w2[2]) |
---|
| 4225 | ); |
---|
| 4226 | // |
---|
| 4227 | assign dnrtry_hpstate2_w2[`TLU_HPSTATE_WIDTH-1:0] = |
---|
| 4228 | {tsa_dnrtry_hpstate_w2[`TSA_HTSTATE_WIDTH-1], |
---|
| 4229 | true_hpstate2[`HPSTATE_ENB], |
---|
| 4230 | tsa_dnrtry_hpstate_w2[`HPSTATE_RED], |
---|
| 4231 | hpstate_dnrtry_priv_w2[2], |
---|
| 4232 | tsa_dnrtry_hpstate_w2[`HPSTATE_TLZ]}; |
---|
| 4233 | // |
---|
| 4234 | // constructing the hpstate for hyper-privileged traps |
---|
| 4235 | // |
---|
| 4236 | assign hntrap_hpstate2_w2[`TLU_HPSTATE_WIDTH-1:0] = |
---|
| 4237 | {hpstate_ibe_set[2], |
---|
| 4238 | hpstate_enb_set[2], |
---|
| 4239 | hpstate_redmode, // Redmode bit |
---|
| 4240 | hpstate_priv_set, // hyper-privileged bit |
---|
| 4241 | hpstate_tlz_set[2]}; // TLZ interrupt bit |
---|
| 4242 | // |
---|
| 4243 | assign tlu_hpstate_hnt_sel2 = |
---|
| 4244 | ~(tlu_hpstate_din_sel2[0] | tlu_hpstate_wsr_sel2); |
---|
| 4245 | // |
---|
| 4246 | assign tlu_hpstate_wsr_sel2 = |
---|
| 4247 | tlu_hpstate_din_sel2[1] | |
---|
| 4248 | (~true_hpstate2[`HPSTATE_ENB] & tlu_pstate_din_sel2[1]); |
---|
| 4249 | |
---|
| 4250 | mux3ds #(`TLU_HPSTATE_WIDTH) mux_restore_hpstate2 ( |
---|
| 4251 | .in0 (dnrtry_hpstate2_w2[`TLU_HPSTATE_WIDTH-1:0]), |
---|
| 4252 | .in1 (wsr_data_hpstate_w2[`TLU_HPSTATE_WIDTH-1:0]), |
---|
| 4253 | .in2 (hntrap_hpstate2_w2[`TLU_HPSTATE_WIDTH-1:0]), |
---|
| 4254 | .sel0 (tlu_hpstate_din_sel2[0]), |
---|
| 4255 | .sel1 (tlu_hpstate_wsr_sel2), |
---|
| 4256 | .sel2 (tlu_hpstate_hnt_sel2), |
---|
| 4257 | .dout (restore_hpstate2[`TLU_HPSTATE_WIDTH-1:0]) |
---|
| 4258 | ); |
---|
| 4259 | // |
---|
| 4260 | // need to initialize hpstate.enb = 0 |
---|
| 4261 | // need to initialize hpstate.ibe = 0 |
---|
| 4262 | // modified due to the addition of hpstate.ibe |
---|
| 4263 | `ifdef FPGA_SYN_CLK_DFF |
---|
| 4264 | dffre_s #(2) dffr_true_hpst2_enb_ibe ( |
---|
| 4265 | .din (restore_hpstate2[`TLU_HPSTATE_WIDTH-1:`TLU_HPSTATE_WIDTH-2]), |
---|
| 4266 | .q (true_hpstate2[`TLU_HPSTATE_WIDTH-1:`TLU_HPSTATE_WIDTH-2]), |
---|
| 4267 | .rst (local_rst), |
---|
| 4268 | .en (~(tlu_update_hpstate_l_w2[2])), .clk(clk), |
---|
| 4269 | .se (se), |
---|
| 4270 | .si (), |
---|
| 4271 | .so () |
---|
| 4272 | ); |
---|
| 4273 | `else |
---|
| 4274 | dffr_s #(2) dffr_true_hpst2_enb_ibe ( |
---|
| 4275 | .din (restore_hpstate2[`TLU_HPSTATE_WIDTH-1:`TLU_HPSTATE_WIDTH-2]), |
---|
| 4276 | .q (true_hpstate2[`TLU_HPSTATE_WIDTH-1:`TLU_HPSTATE_WIDTH-2]), |
---|
| 4277 | .rst (local_rst), |
---|
| 4278 | .clk (hpstate2_clk), |
---|
| 4279 | .se (se), |
---|
| 4280 | .si (), |
---|
| 4281 | .so () |
---|
| 4282 | ); |
---|
| 4283 | `endif |
---|
| 4284 | // |
---|
| 4285 | `ifdef FPGA_SYN_CLK_DFF |
---|
| 4286 | dffe_s #(2) dff_true_hpstate2 ( |
---|
| 4287 | .din ({restore_hpstate2[`HPSTATE_RED], |
---|
| 4288 | restore_hpstate2[`HPSTATE_TLZ]}), |
---|
| 4289 | .q ({true_hpstate2[`HPSTATE_RED], |
---|
| 4290 | true_hpstate2[`HPSTATE_TLZ]}), |
---|
| 4291 | .en (~(tlu_update_hpstate_l_w2[2])), .clk(clk), |
---|
| 4292 | .se (se), |
---|
| 4293 | .si (), |
---|
| 4294 | .so () |
---|
| 4295 | ); |
---|
| 4296 | `else |
---|
| 4297 | dff_s #(2) dff_true_hpstate2 ( |
---|
| 4298 | .din ({restore_hpstate2[`HPSTATE_RED], |
---|
| 4299 | restore_hpstate2[`HPSTATE_TLZ]}), |
---|
| 4300 | .q ({true_hpstate2[`HPSTATE_RED], |
---|
| 4301 | true_hpstate2[`HPSTATE_TLZ]}), |
---|
| 4302 | .clk (hpstate2_clk), |
---|
| 4303 | .se (se), |
---|
| 4304 | .si (), |
---|
| 4305 | .so () |
---|
| 4306 | ); |
---|
| 4307 | `endif |
---|
| 4308 | // |
---|
| 4309 | dffe_s dffe_hpstate2_priv ( |
---|
| 4310 | .din (restore_hpstate2[`HPSTATE_PRIV]), |
---|
| 4311 | .q (true_hpstate2[`HPSTATE_PRIV]), |
---|
| 4312 | .en (hpstate_priv_update_w2[2]), |
---|
| 4313 | .clk (clk), |
---|
| 4314 | .se (se), |
---|
| 4315 | .si (), |
---|
| 4316 | .so () |
---|
| 4317 | ); |
---|
| 4318 | |
---|
| 4319 | assign tlu_ifu_pstate_pef[2] = true_pstate2[`PSTATE_PEF]; |
---|
| 4320 | assign tlu_lsu_pstate_cle[2] = true_pstate2[`PSTATE_CLE]; |
---|
| 4321 | assign tlu_lsu_pstate_priv[2] = true_pstate2[`PSTATE_PRIV]; |
---|
| 4322 | assign tlu_int_pstate_ie[2] = true_pstate2[`PSTATE_IE]; |
---|
| 4323 | assign local_pstate_ie[2] = true_pstate2[`PSTATE_IE]; |
---|
| 4324 | // assign tlu_pstate_cle[2] = true_pstate2[`PSTATE_CLE]; |
---|
| 4325 | assign tlu_pstate_tle[2] = true_pstate2[`PSTATE_TLE]; |
---|
| 4326 | // assign tlu_pstate_priv[2] = true_pstate2[`PSTATE_PRIV]; |
---|
| 4327 | assign local_pstate_priv[2] = true_pstate2[`PSTATE_PRIV]; |
---|
| 4328 | assign tlu_pstate_am[2] = true_pstate2[`PSTATE_AM]; |
---|
| 4329 | // assign tlu_pstate2_mmodel[1:0] = true_pstate2[`PSTATE_MM_HI:`PSTATE_MM_LO]; |
---|
| 4330 | // |
---|
| 4331 | // modified for hypervisor support |
---|
| 4332 | // assign tlu_int_redmode[2] = true_pstate2[`PSTATE_RED]; |
---|
| 4333 | assign tlu_int_redmode[2] = true_hpstate2[`HPSTATE_RED]; |
---|
| 4334 | assign tlu_lsu_redmode[2] = true_hpstate2[`HPSTATE_RED]; |
---|
| 4335 | // |
---|
| 4336 | // hypervisor privilege indicator |
---|
| 4337 | assign tlu_hpstate_priv[2] = true_hpstate2[`HPSTATE_PRIV]; |
---|
| 4338 | assign local_hpstate_priv[2] = true_hpstate2[`HPSTATE_PRIV]; |
---|
| 4339 | assign tcl_hpstate_priv[2] = true_hpstate2[`HPSTATE_PRIV]; |
---|
| 4340 | // |
---|
| 4341 | // hypervisor lite mode selector |
---|
| 4342 | assign tlu_hpstate_enb[2] = true_hpstate2[`HPSTATE_ENB]; |
---|
| 4343 | assign local_hpstate_enb[2] = true_hpstate2[`HPSTATE_ENB]; |
---|
| 4344 | assign tcl_hpstate_enb[2] = true_hpstate2[`HPSTATE_ENB]; |
---|
| 4345 | |
---|
| 4346 | // hypervisor tlz indicator |
---|
| 4347 | assign tlu_hpstate_tlz[2] = true_hpstate2[`HPSTATE_TLZ]; |
---|
| 4348 | |
---|
| 4349 | // hypervisor instruction breakpt enable |
---|
| 4350 | assign tlu_hpstate_ibe[2] = true_hpstate2[`HPSTATE_IBE]; |
---|
| 4351 | |
---|
| 4352 | // THREAD3 |
---|
| 4353 | // added for bug 1575 |
---|
| 4354 | // modified for bug 2584 |
---|
| 4355 | // assign tlu_pstate_nt_sel3 = ~|(tlu_pstate_din_sel3[1:0]); |
---|
| 4356 | assign tlu_pstate_nt_sel3 = |
---|
| 4357 | ~(tlu_pstate_din_sel3[0] | tlu_pstate_wsr_sel3); |
---|
| 4358 | // |
---|
| 4359 | // modified for bug 3349 |
---|
| 4360 | assign tlu_pstate_wsr_sel3 = |
---|
| 4361 | tlu_pstate_din_sel3[1] | |
---|
| 4362 | (~(true_hpstate3[`HPSTATE_ENB] & wsr_data_w2[`WSR_HPSTATE_ENB]) & |
---|
| 4363 | tlu_hpstate_din_sel3[1]); |
---|
| 4364 | // (~true_hpstate3[`HPSTATE_ENB] & tlu_hpstate_din_sel3[1]); |
---|
| 4365 | // |
---|
| 4366 | mux3ds #(`WSR_PSTATE_VR_WIDTH) mux_restore_pstate3( |
---|
| 4367 | .in0 (dnrtry_pstate_w2[`WSR_PSTATE_VR_WIDTH-1:0]), |
---|
| 4368 | .in1 (wsr_data_pstate_w2[`WSR_PSTATE_VR_WIDTH-1:0]), |
---|
| 4369 | .in2 (ntrap_pstate3[`WSR_PSTATE_VR_WIDTH-1:0]), |
---|
| 4370 | .sel0 (tlu_pstate_din_sel3[0]), |
---|
| 4371 | .sel1 (tlu_pstate_wsr_sel3), |
---|
| 4372 | .sel2 (tlu_pstate_nt_sel3), |
---|
| 4373 | .dout (restore_pstate3[`WSR_PSTATE_VR_WIDTH-1:0]) |
---|
| 4374 | ); |
---|
| 4375 | |
---|
| 4376 | `ifdef FPGA_SYN_CLK_DFF |
---|
| 4377 | dffe_s #(`WSR_PSTATE_VR_WIDTH-1) dff_restore_pstate3_w3 ( |
---|
| 4378 | .din ({restore_pstate3[`WSR_PSTATE_VRANGE2_HI:`WSR_PSTATE_VRANGE1_HI-1], |
---|
| 4379 | restore_pstate3[`WSR_PSTATE_VRANGE1_LO]}), |
---|
| 4380 | .q ({restore_pstate3_w3[`WSR_PSTATE_VRANGE2_HI:`WSR_PSTATE_VRANGE1_HI-1], |
---|
| 4381 | restore_pstate3_w3[`WSR_PSTATE_VRANGE1_LO]}), |
---|
| 4382 | .en (~(tlu_update_pstate_l_w2[3])), .clk(clk), |
---|
| 4383 | .se (se), |
---|
| 4384 | .si (), |
---|
| 4385 | .so () |
---|
| 4386 | ); |
---|
| 4387 | `else |
---|
| 4388 | dff_s #(`WSR_PSTATE_VR_WIDTH-1) dff_restore_pstate3_w3 ( |
---|
| 4389 | .din ({restore_pstate3[`WSR_PSTATE_VRANGE2_HI:`WSR_PSTATE_VRANGE1_HI-1], |
---|
| 4390 | restore_pstate3[`WSR_PSTATE_VRANGE1_LO]}), |
---|
| 4391 | .q ({restore_pstate3_w3[`WSR_PSTATE_VRANGE2_HI:`WSR_PSTATE_VRANGE1_HI-1], |
---|
| 4392 | restore_pstate3_w3[`WSR_PSTATE_VRANGE1_LO]}), |
---|
| 4393 | .clk (pstate3_clk), |
---|
| 4394 | .se (se), |
---|
| 4395 | .si (), |
---|
| 4396 | .so () |
---|
| 4397 | ); |
---|
| 4398 | `endif |
---|
| 4399 | // |
---|
| 4400 | dffe_s dffe_pstate3_priv ( |
---|
| 4401 | .din (restore_pstate3[`WSR_PSTATE_VR_PRIV]), |
---|
| 4402 | .q (restore_pstate3_w3[`WSR_PSTATE_VR_PRIV]), |
---|
| 4403 | .en (pstate_priv_update_w2[3]), |
---|
| 4404 | .clk (clk), |
---|
| 4405 | .se (se), |
---|
| 4406 | .si (), |
---|
| 4407 | .so () |
---|
| 4408 | ); |
---|
| 4409 | // |
---|
| 4410 | // true_pstate3 assignments |
---|
| 4411 | assign true_pstate3[`PSTATE_TRUE_WIDTH-1:0] = |
---|
| 4412 | {2'b0, // tlu_select_int_global - replaced by gl register |
---|
| 4413 | // tlu_select_mmu_global - replaced by gl register |
---|
| 4414 | restore_pstate3_w3[`WSR_PSTATE_VRANGE2_HI:`WSR_PSTATE_VRANGE2_LO], |
---|
| 4415 | 2'b0, // fixed mmodel - TSO |
---|
| 4416 | 1'b0, // redmode - replaced by hpstate.red |
---|
| 4417 | restore_pstate3_w3[`WSR_PSTATE_VRANGE1_HI:`WSR_PSTATE_VRANGE1_LO], |
---|
| 4418 | 1'b0}; // tlu_select_alt_global - replaced by gl register |
---|
| 4419 | // |
---|
| 4420 | // modified for timing |
---|
| 4421 | /* |
---|
| 4422 | mux3ds #(9) mux_restore_pstate3( |
---|
| 4423 | .in0 (dnrtry_pstate[`PSTATE_TRUE_WIDTH-3:1]), |
---|
| 4424 | .in1 (wsr_data_pstate_g[`PSTATE_TRUE_WIDTH-3:1]), |
---|
| 4425 | .in2 (ntrap_pstate3[`PSTATE_TRUE_WIDTH-3:1]), |
---|
| 4426 | .sel0 (tlu_pstate_din_sel3[0]), |
---|
| 4427 | // modified for bug 2584 |
---|
| 4428 | // .sel1 (tlu_pstate_din_sel3[1]), |
---|
| 4429 | .sel1 (tlu_pstate_wsr_sel3), |
---|
| 4430 | .sel2 (tlu_pstate_nt_sel3), |
---|
| 4431 | .dout (restore_pstate3[`PSTATE_TRUE_WIDTH-3:1]) |
---|
| 4432 | ); |
---|
| 4433 | // |
---|
| 4434 | `ifdef FPGA_SYN_CLK_DFF |
---|
| 4435 | dffe_s #(`PSTATE_TRUE_WIDTH) pstate3_1 ( |
---|
| 4436 | .din (restore_pstate3[`PSTATE_TRUE_WIDTH-1:0]), |
---|
| 4437 | .q (true_pstate3[`PSTATE_TRUE_WIDTH-1:0]), |
---|
| 4438 | .en (~(tlu_update_pstate_l_w2[3])), .clk(clk), |
---|
| 4439 | .se (se), |
---|
| 4440 | .si (), |
---|
| 4441 | .so () |
---|
| 4442 | ); |
---|
| 4443 | `else |
---|
| 4444 | dff_s #(`PSTATE_TRUE_WIDTH) pstate3_1 ( |
---|
| 4445 | .din (restore_pstate3[`PSTATE_TRUE_WIDTH-1:0]), |
---|
| 4446 | .q (true_pstate3[`PSTATE_TRUE_WIDTH-1:0]), |
---|
| 4447 | .clk (pstate3_clk), |
---|
| 4448 | .se (se), |
---|
| 4449 | .si (), |
---|
| 4450 | .so () |
---|
| 4451 | ); |
---|
| 4452 | `endif |
---|
| 4453 | // |
---|
| 4454 | `ifdef FPGA_SYN_CLK_DFF |
---|
| 4455 | dffe_s #(`PSTATE_TRUE_WIDTH-1) pstate3_1 ( |
---|
| 4456 | .din ({restore_pstate3[`PSTATE_TRUE_WIDTH-1:3], |
---|
| 4457 | restore_pstate3[1:0]}), |
---|
| 4458 | .q ({true_pstate3[`PSTATE_TRUE_WIDTH-1:3], |
---|
| 4459 | true_pstate3[1:0]}), |
---|
| 4460 | .en (~(tlu_update_pstate_l_w2[3])), .clk(clk), |
---|
| 4461 | .se (se), |
---|
| 4462 | .si (), |
---|
| 4463 | .so () |
---|
| 4464 | ); |
---|
| 4465 | `else |
---|
| 4466 | dff_s #(`PSTATE_TRUE_WIDTH-1) pstate3_1 ( |
---|
| 4467 | .din ({restore_pstate3[`PSTATE_TRUE_WIDTH-1:3], |
---|
| 4468 | restore_pstate3[1:0]}), |
---|
| 4469 | .q ({true_pstate3[`PSTATE_TRUE_WIDTH-1:3], |
---|
| 4470 | true_pstate3[1:0]}), |
---|
| 4471 | .clk (pstate3_clk), |
---|
| 4472 | .se (se), |
---|
| 4473 | .si (), |
---|
| 4474 | .so () |
---|
| 4475 | ); |
---|
| 4476 | `endif |
---|
| 4477 | // |
---|
| 4478 | dffe_s dffe_pstate3_priv ( |
---|
| 4479 | .din (restore_pstate3[`PSTATE_PRIV]), |
---|
| 4480 | .q (true_pstate3[`PSTATE_PRIV]), |
---|
| 4481 | .en (pstate_priv_update_g[3]), |
---|
| 4482 | .clk (clk), |
---|
| 4483 | .se (se), |
---|
| 4484 | .si (), |
---|
| 4485 | .so () |
---|
| 4486 | ); |
---|
| 4487 | // |
---|
| 4488 | // modified for hypervisor support |
---|
| 4489 | assign restore_pstate3[11:10] = 2'b0; |
---|
| 4490 | assign restore_pstate3[0] = 1'b0; |
---|
| 4491 | // |
---|
| 4492 | // modified to reflect the physical implementation |
---|
| 4493 | assign hpstate_dnrtry_priv_w2[3] = |
---|
| 4494 | (true_hpstate3[`HPSTATE_ENB])? |
---|
| 4495 | tsa_dnrtry_hpstate_w2[`HPSTATE_PRIV] : |
---|
| 4496 | dnrtry_pstate_w2[`WSR_PSTATE_VR_PRIV]; |
---|
| 4497 | */ |
---|
| 4498 | mux2ds mx_hpstate_dnrtry_priv_w2_3 ( |
---|
| 4499 | .in0 (tsa_dnrtry_hpstate_w2[`HPSTATE_PRIV]), |
---|
| 4500 | .in1 (dnrtry_pstate_w2[`WSR_PSTATE_VR_PRIV]), |
---|
| 4501 | .sel0 (true_hpstate3[`HPSTATE_ENB]), |
---|
| 4502 | .sel1 (~true_hpstate3[`HPSTATE_ENB]), |
---|
| 4503 | .dout (hpstate_dnrtry_priv_w2[3]) |
---|
| 4504 | ); |
---|
| 4505 | // |
---|
| 4506 | assign dnrtry_hpstate3_w2[`TLU_HPSTATE_WIDTH-1:0] = |
---|
| 4507 | {tsa_dnrtry_hpstate_w2[`TSA_HTSTATE_WIDTH-1], |
---|
| 4508 | true_hpstate3[`HPSTATE_ENB], |
---|
| 4509 | tsa_dnrtry_hpstate_w2[`HPSTATE_RED], |
---|
| 4510 | hpstate_dnrtry_priv_w2[3], |
---|
| 4511 | tsa_dnrtry_hpstate_w2[`HPSTATE_TLZ]}; |
---|
| 4512 | // |
---|
| 4513 | // constructing the hpstate for hyper-privileged traps |
---|
| 4514 | // |
---|
| 4515 | assign hntrap_hpstate3_w2[`TLU_HPSTATE_WIDTH-1:0] = |
---|
| 4516 | {hpstate_ibe_set[3], |
---|
| 4517 | hpstate_enb_set[3], |
---|
| 4518 | hpstate_redmode, // Redmode bit |
---|
| 4519 | hpstate_priv_set, // hyper-privileged bit |
---|
| 4520 | hpstate_tlz_set[3]}; // TLZ interrupt bit |
---|
| 4521 | |
---|
| 4522 | assign tlu_hpstate_hnt_sel3 = |
---|
| 4523 | ~(tlu_hpstate_din_sel3[0] | tlu_hpstate_wsr_sel3); |
---|
| 4524 | // |
---|
| 4525 | assign tlu_hpstate_wsr_sel3 = |
---|
| 4526 | tlu_hpstate_din_sel3[1] | |
---|
| 4527 | (~true_hpstate3[`HPSTATE_ENB] & tlu_pstate_din_sel3[1]); |
---|
| 4528 | |
---|
| 4529 | mux3ds #(`TLU_HPSTATE_WIDTH) mux_restore_hpstate3 ( |
---|
| 4530 | .in0 (dnrtry_hpstate3_w2[`TLU_HPSTATE_WIDTH-1:0]), |
---|
| 4531 | .in1 (wsr_data_hpstate_w2[`TLU_HPSTATE_WIDTH-1:0]), |
---|
| 4532 | .in2 (hntrap_hpstate3_w2[`TLU_HPSTATE_WIDTH-1:0]), |
---|
| 4533 | .sel0 (tlu_hpstate_din_sel3[0]), |
---|
| 4534 | .sel1 (tlu_hpstate_wsr_sel3), |
---|
| 4535 | .sel2 (tlu_hpstate_hnt_sel3), |
---|
| 4536 | .dout (restore_hpstate3[`TLU_HPSTATE_WIDTH-1:0]) |
---|
| 4537 | ); |
---|
| 4538 | // |
---|
| 4539 | // need to initialize hpstate.enb = 0 |
---|
| 4540 | // need to initialize hpstate.ibe = 0 |
---|
| 4541 | // modified due to the addition of hpstate.ibe |
---|
| 4542 | `ifdef FPGA_SYN_CLK_DFF |
---|
| 4543 | dffre_s #(2) dffr_true_hpst3_enb_ibe ( |
---|
| 4544 | .din (restore_hpstate3[`TLU_HPSTATE_WIDTH-1:`TLU_HPSTATE_WIDTH-2]), |
---|
| 4545 | .q (true_hpstate3[`TLU_HPSTATE_WIDTH-1:`TLU_HPSTATE_WIDTH-2]), |
---|
| 4546 | .rst (local_rst), |
---|
| 4547 | .en (~(tlu_update_hpstate_l_w2[3])), .clk(clk), |
---|
| 4548 | .se (se), |
---|
| 4549 | .si (), |
---|
| 4550 | .so () |
---|
| 4551 | ); |
---|
| 4552 | `else |
---|
| 4553 | dffr_s #(2) dffr_true_hpst3_enb_ibe ( |
---|
| 4554 | .din (restore_hpstate3[`TLU_HPSTATE_WIDTH-1:`TLU_HPSTATE_WIDTH-2]), |
---|
| 4555 | .q (true_hpstate3[`TLU_HPSTATE_WIDTH-1:`TLU_HPSTATE_WIDTH-2]), |
---|
| 4556 | .rst (local_rst), |
---|
| 4557 | .clk (hpstate3_clk), |
---|
| 4558 | .se (se), |
---|
| 4559 | .si (), |
---|
| 4560 | .so () |
---|
| 4561 | ); |
---|
| 4562 | `endif |
---|
| 4563 | // |
---|
| 4564 | // |
---|
| 4565 | `ifdef FPGA_SYN_CLK_DFF |
---|
| 4566 | dffe_s #(2) dff_true_hpstate3 ( |
---|
| 4567 | .din ({restore_hpstate3[`HPSTATE_RED], |
---|
| 4568 | restore_hpstate3[`HPSTATE_TLZ]}), |
---|
| 4569 | .q ({true_hpstate3[`HPSTATE_RED], |
---|
| 4570 | true_hpstate3[`HPSTATE_TLZ]}), |
---|
| 4571 | .en (~(tlu_update_hpstate_l_w2[3])), .clk(clk), |
---|
| 4572 | .se (se), |
---|
| 4573 | .si (), |
---|
| 4574 | .so () |
---|
| 4575 | ); |
---|
| 4576 | `else |
---|
| 4577 | dff_s #(2) dff_true_hpstate3 ( |
---|
| 4578 | .din ({restore_hpstate3[`HPSTATE_RED], |
---|
| 4579 | restore_hpstate3[`HPSTATE_TLZ]}), |
---|
| 4580 | .q ({true_hpstate3[`HPSTATE_RED], |
---|
| 4581 | true_hpstate3[`HPSTATE_TLZ]}), |
---|
| 4582 | .clk (hpstate3_clk), |
---|
| 4583 | .se (se), |
---|
| 4584 | .si (), |
---|
| 4585 | .so () |
---|
| 4586 | ); |
---|
| 4587 | `endif |
---|
| 4588 | // |
---|
| 4589 | dffe_s dffe_hpstate3_priv ( |
---|
| 4590 | .din (restore_hpstate3[`HPSTATE_PRIV]), |
---|
| 4591 | .q (true_hpstate3[`HPSTATE_PRIV]), |
---|
| 4592 | .en (hpstate_priv_update_w2[3]), |
---|
| 4593 | .clk (clk), |
---|
| 4594 | .se (se), |
---|
| 4595 | .si (), |
---|
| 4596 | .so () |
---|
| 4597 | ); |
---|
| 4598 | |
---|
| 4599 | assign tlu_ifu_pstate_pef[3] = true_pstate3[`PSTATE_PEF]; |
---|
| 4600 | assign tlu_lsu_pstate_cle[3] = true_pstate3[`PSTATE_CLE]; |
---|
| 4601 | assign tlu_lsu_pstate_priv[3] = true_pstate3[`PSTATE_PRIV]; |
---|
| 4602 | assign tlu_int_pstate_ie[3] = true_pstate3[`PSTATE_IE]; |
---|
| 4603 | assign local_pstate_ie[3] = true_pstate3[`PSTATE_IE]; |
---|
| 4604 | // assign tlu_pstate_cle[3] = true_pstate3[`PSTATE_CLE]; |
---|
| 4605 | assign tlu_pstate_tle[3] = true_pstate3[`PSTATE_TLE]; |
---|
| 4606 | // assign tlu_pstate_priv[3] = true_pstate3[`PSTATE_PRIV]; |
---|
| 4607 | assign local_pstate_priv[3] = true_pstate3[`PSTATE_PRIV]; |
---|
| 4608 | assign tlu_pstate_am[3] = true_pstate3[`PSTATE_AM]; |
---|
| 4609 | // assign tlu_pstate3_mmodel[1:0] = true_pstate3[`PSTATE_MM_HI:`PSTATE_MM_LO]; |
---|
| 4610 | // |
---|
| 4611 | // modified for hypervisor support |
---|
| 4612 | // assign tlu_int_redmode[3] = true_pstate3[`PSTATE_RED]; |
---|
| 4613 | assign tlu_int_redmode[3] = true_hpstate3[`HPSTATE_RED]; |
---|
| 4614 | assign tlu_lsu_redmode[3] = true_hpstate3[`HPSTATE_RED]; |
---|
| 4615 | // |
---|
| 4616 | // hypervisor privilege indicator |
---|
| 4617 | assign tlu_hpstate_priv[3] = true_hpstate3[`HPSTATE_PRIV]; |
---|
| 4618 | assign local_hpstate_priv[3] = true_hpstate3[`HPSTATE_PRIV]; |
---|
| 4619 | assign tcl_hpstate_priv[3] = true_hpstate3[`HPSTATE_PRIV]; |
---|
| 4620 | // |
---|
| 4621 | // hypervisor lite mode selector |
---|
| 4622 | assign tlu_hpstate_enb[3] = true_hpstate3[`HPSTATE_ENB]; |
---|
| 4623 | assign local_hpstate_enb[3] = true_hpstate3[`HPSTATE_ENB]; |
---|
| 4624 | assign tcl_hpstate_enb[3] = true_hpstate3[`HPSTATE_ENB]; |
---|
| 4625 | |
---|
| 4626 | // hypervisor tlz indicator |
---|
| 4627 | assign tlu_hpstate_tlz[3] = true_hpstate3[`HPSTATE_TLZ]; |
---|
| 4628 | |
---|
| 4629 | // hypervisor instruction breakpt enable |
---|
| 4630 | assign tlu_hpstate_ibe[3] = true_hpstate3[`HPSTATE_IBE]; |
---|
| 4631 | |
---|
| 4632 | `endif // !`ifdef FPGA_SYN_1THREAD |
---|
| 4633 | |
---|
| 4634 | // Mux to choose the pstate register to read base on thread |
---|
| 4635 | wire [`PSTATE_TRUE_WIDTH-1:0] pstate_rdata; |
---|
| 4636 | wire [`RDSR_HPSTATE_WIDTH-1:0] hpstate_rdata; |
---|
| 4637 | |
---|
| 4638 | `ifdef FPGA_SYN_1THREAD |
---|
| 4639 | assign pstate_rdata[`PSTATE_TRUE_WIDTH-1:0] = true_pstate0[`PSTATE_TRUE_WIDTH-1:0]; |
---|
| 4640 | assign true_hpstate[`TLU_HPSTATE_WIDTH-1:0] = true_hpstate0[`TLU_HPSTATE_WIDTH-1:0]; |
---|
| 4641 | `else |
---|
| 4642 | |
---|
| 4643 | mux4ds #(12) pstate_mx_sel ( |
---|
| 4644 | .in0 (true_pstate0[`PSTATE_TRUE_WIDTH-1:0]), |
---|
| 4645 | .in1 (true_pstate1[`PSTATE_TRUE_WIDTH-1:0]), |
---|
| 4646 | .in2 (true_pstate2[`PSTATE_TRUE_WIDTH-1:0]), |
---|
| 4647 | .in3 (true_pstate3[`PSTATE_TRUE_WIDTH-1:0]), |
---|
| 4648 | .sel0 (tlu_thrd_rsel_e[0]), |
---|
| 4649 | .sel1 (tlu_thrd_rsel_e[1]), |
---|
| 4650 | .sel2 (tlu_thrd_rsel_e[2]), |
---|
| 4651 | .sel3 (tlu_thrd_rsel_e[3]), |
---|
| 4652 | .dout (pstate_rdata[`PSTATE_TRUE_WIDTH-1:0]) |
---|
| 4653 | ); |
---|
| 4654 | // |
---|
| 4655 | // added for hypervisor support |
---|
| 4656 | // mux to choose the pstate register to read base on thread |
---|
| 4657 | |
---|
| 4658 | mux4ds #(`TLU_HPSTATE_WIDTH) hpstate_mx_sel ( |
---|
| 4659 | .in0 (true_hpstate0[`TLU_HPSTATE_WIDTH-1:0]), |
---|
| 4660 | .in1 (true_hpstate1[`TLU_HPSTATE_WIDTH-1:0]), |
---|
| 4661 | .in2 (true_hpstate2[`TLU_HPSTATE_WIDTH-1:0]), |
---|
| 4662 | .in3 (true_hpstate3[`TLU_HPSTATE_WIDTH-1:0]), |
---|
| 4663 | .sel0 (tlu_thrd_rsel_e[0]), |
---|
| 4664 | .sel1 (tlu_thrd_rsel_e[1]), |
---|
| 4665 | .sel2 (tlu_thrd_rsel_e[2]), |
---|
| 4666 | .sel3 (tlu_thrd_rsel_e[3]), |
---|
| 4667 | .dout (true_hpstate[`TLU_HPSTATE_WIDTH-1:0]) |
---|
| 4668 | ); |
---|
| 4669 | `endif // !`ifdef FPGA_SYN_1THREAD |
---|
| 4670 | |
---|
| 4671 | // |
---|
| 4672 | // assigned the stored hpstate bits to the ASR positions |
---|
| 4673 | // |
---|
| 4674 | assign hpstate_rdata[`WSR_HPSTATE_ENB] = true_hpstate[`HPSTATE_ENB]; |
---|
| 4675 | assign hpstate_rdata[`WSR_HPSTATE_IBE] = true_hpstate[`HPSTATE_IBE]; |
---|
| 4676 | assign hpstate_rdata[`WSR_HPSTATE_RED] = true_hpstate[`HPSTATE_RED]; |
---|
| 4677 | assign hpstate_rdata[`WSR_HPSTATE_PRIV] = true_hpstate[`HPSTATE_PRIV]; |
---|
| 4678 | assign hpstate_rdata[`WSR_HPSTATE_TLZ] = true_hpstate[`HPSTATE_TLZ]; |
---|
| 4679 | // |
---|
| 4680 | // grounding the reserved bits |
---|
| 4681 | // modified due to the addition of hpstate.ibe |
---|
| 4682 | // assign hpstate_rdata[`WSR_HPSTATE_ENB-1 :`WSR_HPSTATE_RED+1] = 5'h00; |
---|
| 4683 | assign hpstate_rdata[`WSR_HPSTATE_IBE-1 :`WSR_HPSTATE_RED+1] = 4'h0; |
---|
| 4684 | assign hpstate_rdata[`WSR_HPSTATE_RED-1 :`WSR_HPSTATE_PRIV+1] = 2'b00; |
---|
| 4685 | assign hpstate_rdata[`WSR_HPSTATE_PRIV-1:`WSR_HPSTATE_TLZ+1] = 1'b0; |
---|
| 4686 | // |
---|
| 4687 | // constructing data for htstate |
---|
| 4688 | // |
---|
| 4689 | wire [`RDSR_HPSTATE_WIDTH-1:0] htstate_rdata; |
---|
| 4690 | |
---|
| 4691 | // assign htstate_rdata[`WSR_HPSTATE_RED] = tsa_rdata[`TLU_HTSTATE_HI]; |
---|
| 4692 | // assign htstate_rdata[`WSR_HPSTATE_PRIV] = tsa_rdata[`TLU_HTSTATE_HI-1]; |
---|
| 4693 | /* modified due to logic redistribution |
---|
| 4694 | assign htstate_rdata[`WSR_HPSTATE_IBE] = tsa_rdata[`TLU_HTSTATE_HI]; |
---|
| 4695 | assign htstate_rdata[`WSR_HPSTATE_RED] = tsa_rdata[`TLU_HTSTATE_HI-1]; |
---|
| 4696 | assign htstate_rdata[`WSR_HPSTATE_PRIV] = tsa_rdata[`TLU_HTSTATE_HI-2]; |
---|
| 4697 | assign htstate_rdata[`WSR_HPSTATE_TLZ] = tsa_rdata[`TLU_HTSTATE_LO]; |
---|
| 4698 | */ |
---|
| 4699 | assign htstate_rdata[`WSR_HPSTATE_IBE] = tsa_rdata[`TLU_RD_HTSTATE_HI]; |
---|
| 4700 | assign htstate_rdata[`WSR_HPSTATE_RED] = tsa_rdata[`TLU_RD_HTSTATE_HI-1]; |
---|
| 4701 | assign htstate_rdata[`WSR_HPSTATE_PRIV] = tsa_rdata[`TLU_RD_HTSTATE_HI-2]; |
---|
| 4702 | assign htstate_rdata[`WSR_HPSTATE_TLZ] = tsa_rdata[`TLU_RD_HTSTATE_LO]; |
---|
| 4703 | // |
---|
| 4704 | // grounding the reserved bits |
---|
| 4705 | // modified due to addition of hpstate.ibe |
---|
| 4706 | // assign htstate_rdata[`RDSR_HPSTATE_WIDTH-1 :`WSR_HPSTATE_RED+1] = 6'h00; |
---|
| 4707 | assign htstate_rdata[`RDSR_HPSTATE_WIDTH-1] = 1'b0; |
---|
| 4708 | assign htstate_rdata[`WSR_HPSTATE_IBE-1 :`WSR_HPSTATE_RED+1] = 4'h0; |
---|
| 4709 | assign htstate_rdata[`WSR_HPSTATE_RED-1 :`WSR_HPSTATE_PRIV+1] = 2'b00; |
---|
| 4710 | assign htstate_rdata[`WSR_HPSTATE_PRIV-1:`WSR_HPSTATE_TLZ+1] = 1'b0; |
---|
| 4711 | |
---|
| 4712 | //========================================================================================= |
---|
| 4713 | // RDPR - This section has been recoded due to timing |
---|
| 4714 | //========================================================================================= |
---|
| 4715 | |
---|
| 4716 | // mux data width - 2b |
---|
| 4717 | `ifdef FPGA_SYN_1THREAD |
---|
| 4718 | assign global_rdata[`TSA_GLOBAL_WIDTH-1:0] = tlu_gl_lvl0[`TSA_GLOBAL_WIDTH-1:0]; |
---|
| 4719 | assign hintp_rdata = tlu_hintp[0]; |
---|
| 4720 | `else |
---|
| 4721 | |
---|
| 4722 | |
---|
| 4723 | mux4ds #(`TSA_GLOBAL_WIDTH) mux_global_rdata ( |
---|
| 4724 | .in0 (tlu_gl_lvl0[`TSA_GLOBAL_WIDTH-1:0]), |
---|
| 4725 | .in1 (tlu_gl_lvl1[`TSA_GLOBAL_WIDTH-1:0]), |
---|
| 4726 | .in2 (tlu_gl_lvl2[`TSA_GLOBAL_WIDTH-1:0]), |
---|
| 4727 | .in3 (tlu_gl_lvl3[`TSA_GLOBAL_WIDTH-1:0]), |
---|
| 4728 | .sel0 (tlu_thrd_rsel_e[0]), |
---|
| 4729 | .sel1 (tlu_thrd_rsel_e[1]), |
---|
| 4730 | .sel2 (tlu_thrd_rsel_e[2]), |
---|
| 4731 | .sel3 (tlu_thrd_rsel_e[3]), |
---|
| 4732 | .dout (global_rdata[`TSA_GLOBAL_WIDTH-1:0]) |
---|
| 4733 | ); |
---|
| 4734 | // |
---|
| 4735 | // htickcmp interrupt enable |
---|
| 4736 | // |
---|
| 4737 | mux4ds #(1) mux_hintp_rdata ( |
---|
| 4738 | .in0 (tlu_hintp[0]), |
---|
| 4739 | .in1 (tlu_hintp[1]), |
---|
| 4740 | .in2 (tlu_hintp[2]), |
---|
| 4741 | .in3 (tlu_hintp[3]), |
---|
| 4742 | .sel0 (tlu_thrd_rsel_e[0]), |
---|
| 4743 | .sel1 (tlu_thrd_rsel_e[1]), |
---|
| 4744 | .sel2 (tlu_thrd_rsel_e[2]), |
---|
| 4745 | .sel3 (tlu_thrd_rsel_e[3]), |
---|
| 4746 | .dout (hintp_rdata) |
---|
| 4747 | ); |
---|
| 4748 | `endif // !`ifdef FPGA_SYN_1THREAD |
---|
| 4749 | |
---|
| 4750 | // |
---|
| 4751 | // tstate.gl - 2b |
---|
| 4752 | assign tstate_rdata[`WSR_TSTATE_GL_HI:`WSR_TSTATE_GL_LO] = |
---|
| 4753 | tsa_rdata[`TLU_GL_HI:`TLU_GL_LO]; |
---|
| 4754 | // |
---|
| 4755 | // tstate.ccr - 8b |
---|
| 4756 | assign tstate_rdata[`WSR_TSTATE_CCR_HI:`WSR_TSTATE_CCR_LO] = |
---|
| 4757 | tsa_rdata[`TLU_CCR_HI:`TLU_CCR_LO]; |
---|
| 4758 | // |
---|
| 4759 | // tstate.asi - 8b |
---|
| 4760 | assign tstate_rdata[`WSR_TSTATE_ASI_HI:`WSR_TSTATE_ASI_LO] = |
---|
| 4761 | tsa_rdata[`TLU_ASI_HI:`TLU_ASI_LO]; |
---|
| 4762 | // |
---|
| 4763 | // tstate.pstate(valid range 2) - 2b |
---|
| 4764 | assign tstate_rdata[`WSR_TSTATE_PS2_HI:`WSR_TSTATE_PS2_LO] = |
---|
| 4765 | tsa_rdata[`TSA_PSTATE_VRANGE2_HI:`TSA_PSTATE_VRANGE2_LO]; |
---|
| 4766 | // |
---|
| 4767 | // added for to please lint |
---|
| 4768 | assign tstate_dummy_zero[1:0] = |
---|
| 4769 | tsa_rdata[`TSA_PSTATE_VRANGE2_LO-1:`TSA_PSTATE_VRANGE1_HI+1] & 2'b0; |
---|
| 4770 | // |
---|
| 4771 | // tstate.pstate(valid range 1) - 4b |
---|
| 4772 | assign tstate_rdata[`WSR_TSTATE_PS1_HI:`WSR_TSTATE_PS1_LO] = |
---|
| 4773 | tsa_rdata[`TSA_PSTATE_VRANGE1_HI:`TSA_PSTATE_VRANGE1_LO]; |
---|
| 4774 | // |
---|
| 4775 | // tstate.cwp - 3b |
---|
| 4776 | assign tstate_rdata[`WSR_TSTATE_CWP_HI:`WSR_TSTATE_CWP_LO] = |
---|
| 4777 | tsa_rdata[`TLU_CWP_HI:`TLU_CWP_LO]; |
---|
| 4778 | // |
---|
| 4779 | // reserved bits with ASR - assign to 1'b0 |
---|
| 4780 | assign tstate_rdata[`RDSR_TSTATE_WIDTH-1:`WSR_TSTATE_GL_HI+1] = |
---|
| 4781 | 6'h00; |
---|
| 4782 | assign tstate_rdata[`WSR_TSTATE_ASI_LO-1:`WSR_TSTATE_PS2_HI+1] = |
---|
| 4783 | 6'h00; |
---|
| 4784 | assign tstate_rdata[`WSR_TSTATE_PS2_LO-1:`WSR_TSTATE_PS1_HI+1] = |
---|
| 4785 | {1'b0, tstate_dummy_zero[1:0]}; |
---|
| 4786 | assign tstate_rdata[`WSR_TSTATE_PS1_LO-1:`WSR_TSTATE_CWP_HI+1] = |
---|
| 4787 | 6'h00; |
---|
| 4788 | // |
---|
| 4789 | //============================================================================ |
---|
| 4790 | // new rdpr mux coding due to timing changes |
---|
| 4791 | //============================================================================ |
---|
| 4792 | // |
---|
| 4793 | // added for bug 2332 |
---|
| 4794 | assign rdpr_mx1_onehot_sel = |
---|
| 4795 | ~(|tlu_rdpr_mx1_sel[3:1]); |
---|
| 4796 | // mux1- 64b |
---|
| 4797 | mux4ds #(`TLU_ASR_DATA_WIDTH) rdpr_mx1( |
---|
| 4798 | .in0({tlu_tick_npt,true_tick[60:0], 2'b0}), |
---|
| 4799 | .in1(tickcmp_rdata[`TLU_ASR_DATA_WIDTH-1:0]), |
---|
| 4800 | .in2(stickcmp_rdata[`TLU_ASR_DATA_WIDTH-1:0]), |
---|
| 4801 | .in3({tlu_htickcmp_intdis,htickcmp_rdata[`TLU_ASR_DATA_WIDTH-2:0]}), |
---|
| 4802 | .sel0(rdpr_mx1_onehot_sel), |
---|
| 4803 | .sel1(tlu_rdpr_mx1_sel[1]), |
---|
| 4804 | .sel2(tlu_rdpr_mx1_sel[2]), |
---|
| 4805 | .sel3(tlu_rdpr_mx1_sel[3]), |
---|
| 4806 | .dout(tlu_rdpr_mx1_out[`TLU_ASR_DATA_WIDTH-1:0]) |
---|
| 4807 | ); |
---|
| 4808 | // |
---|
| 4809 | // |
---|
| 4810 | // added for bug 2332 |
---|
| 4811 | assign rdpr_mx2_onehot_sel = |
---|
| 4812 | ~(|tlu_rdpr_mx2_sel[3:1]); |
---|
| 4813 | // |
---|
| 4814 | // mux2 - 4b |
---|
| 4815 | mux4ds #(4) rdpr_mx2( |
---|
| 4816 | .in0({2'b0,global_rdata[`TSA_GLOBAL_WIDTH-1:0]}), |
---|
| 4817 | .in1({3'b0,hintp_rdata}), |
---|
| 4818 | .in2({1'b0,tlu_trp_lvl[2:0]}), |
---|
| 4819 | .in3(tlu_pil[3:0]), |
---|
| 4820 | .sel0(rdpr_mx2_onehot_sel), |
---|
| 4821 | .sel1(tlu_rdpr_mx2_sel[1]), |
---|
| 4822 | .sel2(tlu_rdpr_mx2_sel[2]), |
---|
| 4823 | .sel3(tlu_rdpr_mx2_sel[3]), |
---|
| 4824 | .dout(tlu_rdpr_mx2_out[3:0]) |
---|
| 4825 | ); |
---|
| 4826 | // |
---|
| 4827 | // added for bug 2332 |
---|
| 4828 | assign rdpr_mx3_onehot_sel = |
---|
| 4829 | ~(|tlu_rdpr_mx3_sel[2:1]); |
---|
| 4830 | // |
---|
| 4831 | // mux3 - 17b |
---|
| 4832 | mux3ds #(`SFTINT_WIDTH) rdpr_mx3( |
---|
| 4833 | .in0(sftint_rdata[`SFTINT_WIDTH-1:0]), |
---|
| 4834 | .in1({5'b0,pstate_rdata[`PSTATE_TRUE_WIDTH-1:0]}), |
---|
| 4835 | .in2({5'b0,hpstate_rdata[`RDSR_HPSTATE_WIDTH-1:0]}), |
---|
| 4836 | .sel0(rdpr_mx3_onehot_sel), |
---|
| 4837 | .sel1(tlu_rdpr_mx3_sel[1]), |
---|
| 4838 | .sel2(tlu_rdpr_mx3_sel[2]), |
---|
| 4839 | .dout(tlu_rdpr_mx3_out[`SFTINT_WIDTH-1:0]) |
---|
| 4840 | ); |
---|
| 4841 | // |
---|
| 4842 | // added for bug 2332 |
---|
| 4843 | assign rdpr_mx4_onehot_sel = |
---|
| 4844 | ~(|tlu_rdpr_mx4_sel[2:1]); |
---|
| 4845 | // |
---|
| 4846 | // mux4 - 48b |
---|
| 4847 | mux3ds #(`RDSR_TSTATE_WIDTH) rdpr_mx4( |
---|
| 4848 | .in0({tsa_rdata[`TLU_RD_PC_HI:`TLU_RD_PC_LO],2'b00}), |
---|
| 4849 | .in1({tsa_rdata[`TLU_RD_NPC_HI:`TLU_NPC_LO],2'b00}), |
---|
| 4850 | // .in0({tsa_rdata[`TLU_PC_HI-1:`TLU_PC_LO],2'b00}), |
---|
| 4851 | // .in1({tsa_rdata[`TLU_NPC_HI-1:`TLU_NPC_LO],2'b00}), |
---|
| 4852 | .in2(tstate_rdata[`RDSR_TSTATE_WIDTH-1:0]), |
---|
| 4853 | .sel0(rdpr_mx4_onehot_sel), |
---|
| 4854 | .sel1(tlu_rdpr_mx4_sel[1]), |
---|
| 4855 | .sel2(tlu_rdpr_mx4_sel[2]), |
---|
| 4856 | .dout(tlu_rdpr_mx4_out[`RDSR_TSTATE_WIDTH-1:0]) |
---|
| 4857 | ); |
---|
| 4858 | // |
---|
| 4859 | // added for bug 2332 |
---|
| 4860 | assign rdpr_mx5_onehot_sel = |
---|
| 4861 | ~(|tlu_rdpr_mx5_sel[3:1]); |
---|
| 4862 | // |
---|
| 4863 | // mux5 - 64b |
---|
| 4864 | mux4ds #(`TLU_ASR_DATA_WIDTH) rdpr_mx5( |
---|
| 4865 | .in0({{16{tba_rdata[`TLU_TBA_WIDTH-1]}}, |
---|
| 4866 | tba_rdata[`TLU_TBA_WIDTH-1:0],15'h0000}), |
---|
| 4867 | .in1({{16{htba_rdata[`TLU_HTBA_WIDTH-1]}}, |
---|
| 4868 | htba_rdata[`TLU_HTBA_WIDTH-1:0],14'h0000}), |
---|
| 4869 | .in2(tlu_rdpr_mx1_out[`TLU_ASR_DATA_WIDTH-1:0]), |
---|
| 4870 | .in3(tlu_pib_rsr_data_e[`TLU_ASR_DATA_WIDTH-1:0]), |
---|
| 4871 | .sel0(rdpr_mx5_onehot_sel), |
---|
| 4872 | .sel1(tlu_rdpr_mx5_sel[1]), |
---|
| 4873 | .sel2(tlu_rdpr_mx5_sel[2]), |
---|
| 4874 | .sel3(tlu_rdpr_mx5_sel[3]), |
---|
| 4875 | .dout(tlu_rdpr_mx5_out[`TLU_ASR_DATA_WIDTH-1:0]) |
---|
| 4876 | ); |
---|
| 4877 | // |
---|
| 4878 | // added for bug 2332 |
---|
| 4879 | assign rdpr_mx6_onehot_sel = |
---|
| 4880 | ~(|tlu_rdpr_mx6_sel[2:0]); |
---|
| 4881 | // |
---|
| 4882 | // mux6 - 12b |
---|
| 4883 | mux4ds #(`SFTINT_WIDTH) rdpr_mx6( |
---|
| 4884 | .in0({8'b0,tsa_rdata[8:0]}), // ttype |
---|
| 4885 | .in1({5'b0,htstate_rdata[`RDSR_HPSTATE_WIDTH-1:0]}), |
---|
| 4886 | .in2({13'b0,tlu_rdpr_mx2_out[3:0]}), |
---|
| 4887 | .in3({tlu_rdpr_mx3_out[`SFTINT_WIDTH-1:0]}), |
---|
| 4888 | .sel0(rdpr_mx6_onehot_sel), |
---|
| 4889 | .sel1(tlu_rdpr_mx6_sel[0]), |
---|
| 4890 | .sel2(tlu_rdpr_mx6_sel[1]), |
---|
| 4891 | .sel3(tlu_rdpr_mx6_sel[2]), |
---|
| 4892 | .dout(tlu_rdpr_mx6_out[`SFTINT_WIDTH-1:0]) |
---|
| 4893 | ); |
---|
| 4894 | // |
---|
| 4895 | // mux7- 64b |
---|
| 4896 | mux4ds #(`TLU_ASR_DATA_WIDTH) rdpr_mx7( |
---|
| 4897 | .in0({{16{tlu_rdpr_mx4_out[`RDSR_TSTATE_WIDTH-1]}}, |
---|
| 4898 | tlu_rdpr_mx4_out[`RDSR_TSTATE_WIDTH-1:0]}), |
---|
| 4899 | .in1(tlu_rdpr_mx5_out[`TLU_ASR_DATA_WIDTH-1:0]), |
---|
| 4900 | .in2({47'b0,tlu_rdpr_mx6_out[`SFTINT_WIDTH-1:0]}), |
---|
| 4901 | .in3({56'b0,lsu_tlu_rsr_data_e[7:0]}), |
---|
| 4902 | .sel0(tlu_rdpr_mx7_sel[0]), |
---|
| 4903 | .sel1(tlu_rdpr_mx7_sel[1]), |
---|
| 4904 | .sel2(tlu_rdpr_mx7_sel[2]), |
---|
| 4905 | .sel3(tlu_rdpr_mx7_sel[3]), |
---|
| 4906 | .dout(tlu_rdpr_mx7_out[`TLU_ASR_DATA_WIDTH-1:0]) |
---|
| 4907 | ); |
---|
| 4908 | /* |
---|
| 4909 | mux4ds #(`TLU_ASR_DATA_WIDTH) rdpr_mx7( |
---|
| 4910 | .in0({{16{tlu_rdpr_mx4_out[`RDSR_TSTATE_WIDTH-1]}}, |
---|
| 4911 | tlu_rdpr_mx4_out[`RDSR_TSTATE_WIDTH-1:0]}), |
---|
| 4912 | .in1(tlu_rdpr_mx5_out[`TLU_ASR_DATA_WIDTH-1:0]), |
---|
| 4913 | .in2({47'b0,tlu_rdpr_mx6_out[`SFTINT_WIDTH-1:0]}), |
---|
| 4914 | .in3({56'b0,lsu_tlu_rsr_data_e[7:0]}), |
---|
| 4915 | .sel0(tlu_rdpr_mx7_sel[0]), |
---|
| 4916 | .sel1(tlu_rdpr_mx7_sel[1]), |
---|
| 4917 | .sel2(tlu_rdpr_mx7_sel[2]), |
---|
| 4918 | .sel3(tlu_rdpr_mx7_sel[3]), |
---|
| 4919 | .dout(tlu_rdpr_mx7_out[`TLU_ASR_DATA_WIDTH-1:0]) |
---|
| 4920 | ); |
---|
| 4921 | */ |
---|
| 4922 | // |
---|
| 4923 | // drive rsr data to exu |
---|
| 4924 | assign tlu_exu_rsr_data_e[`TLU_ASR_DATA_WIDTH-1:0] = |
---|
| 4925 | tlu_rdpr_mx7_out[`TLU_ASR_DATA_WIDTH-1:0]; |
---|
| 4926 | // |
---|
| 4927 | // added for timing |
---|
| 4928 | dff_s #(`TLU_ASR_DATA_WIDTH) dff_tlu_exu_rsr_data_m ( |
---|
| 4929 | .din (tlu_exu_rsr_data_e[`TLU_ASR_DATA_WIDTH-1:0]), |
---|
| 4930 | .q (tlu_exu_rsr_data_m[`TLU_ASR_DATA_WIDTH-1:0]), |
---|
| 4931 | .clk (clk), |
---|
| 4932 | .se (se), |
---|
| 4933 | .si (), |
---|
| 4934 | .so () |
---|
| 4935 | ); |
---|
| 4936 | |
---|
| 4937 | endmodule |
---|