1 | // ========== Copyright Header Begin ========================================== |
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2 | // |
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3 | // OpenSPARC T1 Processor File: lsu_stb_ctldp.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 | //FPGA_SYN enables all FPGA related modifications |
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22 | `ifdef FPGA_SYN |
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23 | `define FPGA_SYN_CLK_EN |
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24 | `define FPGA_SYN_CLK_DFF |
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25 | `endif |
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26 | |
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27 | module lsu_stb_ctldp (/*AUTOARG*/ |
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28 | // Outputs |
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29 | so, stb_state_si_0, stb_state_si_1, stb_state_si_2, |
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30 | stb_state_si_3, stb_state_si_4, stb_state_si_5, stb_state_si_6, |
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31 | stb_state_si_7, stb_state_rtype_0, stb_state_rtype_1, |
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32 | stb_state_rtype_2, stb_state_rtype_3, stb_state_rtype_4, |
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33 | stb_state_rtype_5, stb_state_rtype_6, stb_state_rtype_7, |
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34 | stb_state_rmo, |
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35 | // Inputs |
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36 | rclk, si, se, stb_clk_en_l, lsu_stb_va_m, lsu_st_rq_type_m, |
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37 | lsu_st_rmo_m |
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38 | ); |
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39 | |
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40 | input rclk; |
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41 | input si; |
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42 | input se; |
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43 | // input tmb_l; |
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44 | |
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45 | output so; |
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46 | |
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47 | input [7:0] stb_clk_en_l; |
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48 | |
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49 | input [7:6] lsu_stb_va_m; |
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50 | input [2:1] lsu_st_rq_type_m; |
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51 | input lsu_st_rmo_m; |
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52 | |
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53 | output [3:2] stb_state_si_0; |
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54 | output [3:2] stb_state_si_1; |
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55 | output [3:2] stb_state_si_2; |
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56 | output [3:2] stb_state_si_3; |
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57 | output [3:2] stb_state_si_4; |
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58 | output [3:2] stb_state_si_5; |
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59 | output [3:2] stb_state_si_6; |
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60 | output [3:2] stb_state_si_7; |
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61 | |
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62 | output [2:1] stb_state_rtype_0; |
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63 | output [2:1] stb_state_rtype_1; |
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64 | output [2:1] stb_state_rtype_2; |
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65 | output [2:1] stb_state_rtype_3; |
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66 | output [2:1] stb_state_rtype_4; |
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67 | output [2:1] stb_state_rtype_5; |
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68 | output [2:1] stb_state_rtype_6; |
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69 | output [2:1] stb_state_rtype_7; |
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70 | |
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71 | output [7:0] stb_state_rmo; |
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72 | |
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73 | |
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74 | wire [7:0] stb_clk; |
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75 | |
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76 | wire clk; |
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77 | assign clk = rclk; |
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78 | |
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79 | `ifdef FPGA_SYN_CLK_EN |
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80 | `else |
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81 | clken_buf stb0_clkbuf ( |
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82 | .rclk (clk), |
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83 | .enb_l (stb_clk_en_l[0]), |
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84 | .tmb_l (~se), |
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85 | .clk (stb_clk[0]) |
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86 | ) ; |
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87 | `endif |
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88 | |
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89 | `ifdef FPGA_SYN_CLK_EN |
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90 | `else |
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91 | clken_buf stb1_clkbuf ( |
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92 | .rclk (clk), |
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93 | .enb_l (stb_clk_en_l[1]), |
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94 | .tmb_l (~se), |
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95 | .clk (stb_clk[1]) |
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96 | ) ; |
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97 | `endif |
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98 | |
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99 | `ifdef FPGA_SYN_CLK_EN |
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100 | `else |
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101 | clken_buf stb2_clkbuf ( |
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102 | .rclk (clk), |
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103 | .enb_l (stb_clk_en_l[2]), |
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104 | .tmb_l (~se), |
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105 | .clk (stb_clk[2]) |
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106 | ) ; |
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107 | `endif |
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108 | |
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109 | `ifdef FPGA_SYN_CLK_EN |
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110 | `else |
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111 | clken_buf stb3_clkbuf ( |
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112 | .rclk (clk), |
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113 | .enb_l (stb_clk_en_l[3]), |
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114 | .tmb_l (~se), |
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115 | .clk (stb_clk[3]) |
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116 | ) ; |
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117 | `endif |
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118 | |
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119 | `ifdef FPGA_SYN_CLK_EN |
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120 | `else |
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121 | clken_buf stb4_clkbuf ( |
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122 | .rclk (clk), |
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123 | .enb_l (stb_clk_en_l[4]), |
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124 | .tmb_l (~se), |
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125 | .clk (stb_clk[4]) |
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126 | ) ; |
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127 | `endif |
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128 | |
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129 | `ifdef FPGA_SYN_CLK_EN |
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130 | `else |
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131 | clken_buf stb5_clkbuf ( |
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132 | .rclk (clk), |
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133 | .enb_l (stb_clk_en_l[5]), |
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134 | .tmb_l (~se), |
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135 | .clk (stb_clk[5]) |
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136 | ) ; |
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137 | `endif |
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138 | |
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139 | `ifdef FPGA_SYN_CLK_EN |
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140 | `else |
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141 | clken_buf stb6_clkbuf ( |
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142 | .rclk (clk), |
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143 | .enb_l (stb_clk_en_l[6]), |
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144 | .tmb_l (~se), |
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145 | .clk (stb_clk[6]) |
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146 | ) ; |
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147 | `endif |
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148 | |
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149 | `ifdef FPGA_SYN_CLK_EN |
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150 | `else |
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151 | clken_buf stb7_clkbuf ( |
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152 | .rclk (clk), |
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153 | .enb_l (stb_clk_en_l[7]), |
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154 | .tmb_l (~se), |
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155 | .clk (stb_clk[7]) |
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156 | ) ; |
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157 | `endif |
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158 | |
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159 | |
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160 | |
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161 | `ifdef FPGA_SYN_CLK_DFF |
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162 | dffe_s #(5) ff_spec_write_0 ( |
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163 | .din ({lsu_stb_va_m[7:6], lsu_st_rq_type_m[2:1], |
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164 | lsu_st_rmo_m}), |
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165 | .q ({stb_state_si_0[3:2], stb_state_rtype_0[2:1], |
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166 | stb_state_rmo[0]} ), |
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167 | .en (~(stb_clk_en_l[0])), .clk(clk), |
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168 | .se (se), .si (), .so () |
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169 | ); |
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170 | `else |
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171 | dff_s #(5) ff_spec_write_0 ( |
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172 | .din ({lsu_stb_va_m[7:6], lsu_st_rq_type_m[2:1], |
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173 | lsu_st_rmo_m}), |
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174 | .q ({stb_state_si_0[3:2], stb_state_rtype_0[2:1], |
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175 | stb_state_rmo[0]} ), |
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176 | .clk (stb_clk[0]), |
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177 | .se (se), .si (), .so () |
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178 | ); |
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179 | `endif |
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180 | |
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181 | `ifdef FPGA_SYN_CLK_DFF |
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182 | dffe_s #(5) ff_spec_write_1 ( |
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183 | .din ({lsu_stb_va_m[7:6], lsu_st_rq_type_m[2:1], |
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184 | lsu_st_rmo_m}), |
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185 | .q ({stb_state_si_1[3:2], stb_state_rtype_1[2:1], |
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186 | stb_state_rmo[1]} ), |
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187 | .en (~(stb_clk_en_l[1])), .clk(clk), |
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188 | .se (se), .si (), .so () |
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189 | ); |
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190 | `else |
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191 | dff_s #(5) ff_spec_write_1 ( |
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192 | .din ({lsu_stb_va_m[7:6], lsu_st_rq_type_m[2:1], |
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193 | lsu_st_rmo_m}), |
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194 | .q ({stb_state_si_1[3:2], stb_state_rtype_1[2:1], |
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195 | stb_state_rmo[1]} ), |
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196 | .clk (stb_clk[1]), |
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197 | .se (se), .si (), .so () |
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198 | ); |
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199 | `endif |
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200 | |
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201 | `ifdef FPGA_SYN_CLK_DFF |
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202 | dffe_s #(5) ff_spec_write_2 ( |
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203 | .din ({lsu_stb_va_m[7:6], lsu_st_rq_type_m[2:1], |
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204 | lsu_st_rmo_m}), |
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205 | .q ({stb_state_si_2[3:2], stb_state_rtype_2[2:1], |
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206 | stb_state_rmo[2]} ), |
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207 | .en (~(stb_clk_en_l[2])), .clk(clk), |
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208 | .se (se), .si (), .so () |
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209 | ); |
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210 | `else |
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211 | dff_s #(5) ff_spec_write_2 ( |
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212 | .din ({lsu_stb_va_m[7:6], lsu_st_rq_type_m[2:1], |
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213 | lsu_st_rmo_m}), |
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214 | .q ({stb_state_si_2[3:2], stb_state_rtype_2[2:1], |
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215 | stb_state_rmo[2]} ), |
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216 | .clk (stb_clk[2]), |
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217 | .se (se), .si (), .so () |
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218 | ); |
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219 | `endif |
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220 | `ifdef FPGA_SYN_CLK_DFF |
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221 | dffe_s #(5) ff_spec_write_3 ( |
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222 | .din ({lsu_stb_va_m[7:6], lsu_st_rq_type_m[2:1], |
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223 | lsu_st_rmo_m}), |
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224 | .q ({stb_state_si_3[3:2], stb_state_rtype_3[2:1], |
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225 | stb_state_rmo[3]} ), |
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226 | .en (~(stb_clk_en_l[3])), .clk(clk), |
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227 | .se (se), .si (), .so () |
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228 | ); |
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229 | `else |
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230 | dff_s #(5) ff_spec_write_3 ( |
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231 | .din ({lsu_stb_va_m[7:6], lsu_st_rq_type_m[2:1], |
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232 | lsu_st_rmo_m}), |
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233 | .q ({stb_state_si_3[3:2], stb_state_rtype_3[2:1], |
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234 | stb_state_rmo[3]} ), |
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235 | .clk (stb_clk[3]), |
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236 | .se (se), .si (), .so () |
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237 | ); |
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238 | `endif |
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239 | `ifdef FPGA_SYN_CLK_DFF |
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240 | dffe_s #(5) ff_spec_write_4 ( |
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241 | .din ({lsu_stb_va_m[7:6], lsu_st_rq_type_m[2:1], |
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242 | lsu_st_rmo_m}), |
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243 | .q ({stb_state_si_4[3:2], stb_state_rtype_4[2:1], |
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244 | stb_state_rmo[4]} ), |
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245 | .en (~(stb_clk_en_l[4])), .clk(clk), |
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246 | .se (se), .si (), .so () |
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247 | ); |
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248 | `else |
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249 | dff_s #(5) ff_spec_write_4 ( |
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250 | .din ({lsu_stb_va_m[7:6], lsu_st_rq_type_m[2:1], |
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251 | lsu_st_rmo_m}), |
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252 | .q ({stb_state_si_4[3:2], stb_state_rtype_4[2:1], |
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253 | stb_state_rmo[4]} ), |
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254 | .clk (stb_clk[4]), |
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255 | .se (se), .si (), .so () |
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256 | ); |
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257 | `endif |
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258 | `ifdef FPGA_SYN_CLK_DFF |
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259 | dffe_s #(5) ff_spec_write_5 ( |
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260 | .din ({lsu_stb_va_m[7:6], lsu_st_rq_type_m[2:1], |
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261 | lsu_st_rmo_m}), |
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262 | .q ({stb_state_si_5[3:2], stb_state_rtype_5[2:1], |
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263 | stb_state_rmo[5]} ), |
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264 | .en (~(stb_clk_en_l[5])), .clk(clk), |
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265 | .se (se), .si (), .so () |
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266 | ); |
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267 | `else |
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268 | dff_s #(5) ff_spec_write_5 ( |
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269 | .din ({lsu_stb_va_m[7:6], lsu_st_rq_type_m[2:1], |
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270 | lsu_st_rmo_m}), |
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271 | .q ({stb_state_si_5[3:2], stb_state_rtype_5[2:1], |
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272 | stb_state_rmo[5]} ), |
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273 | .clk (stb_clk[5]), |
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274 | .se (se), .si (), .so () |
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275 | ); |
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276 | `endif |
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277 | `ifdef FPGA_SYN_CLK_DFF |
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278 | dffe_s #(5) ff_spec_write_6 ( |
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279 | .din ({lsu_stb_va_m[7:6], lsu_st_rq_type_m[2:1], |
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280 | lsu_st_rmo_m}), |
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281 | .q ({stb_state_si_6[3:2], stb_state_rtype_6[2:1], |
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282 | stb_state_rmo[6]} ), |
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283 | .en (~(stb_clk_en_l[6])), .clk(clk), |
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284 | .se (se), .si (), .so () |
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285 | ); |
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286 | `else |
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287 | dff_s #(5) ff_spec_write_6 ( |
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288 | .din ({lsu_stb_va_m[7:6], lsu_st_rq_type_m[2:1], |
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289 | lsu_st_rmo_m}), |
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290 | .q ({stb_state_si_6[3:2], stb_state_rtype_6[2:1], |
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291 | stb_state_rmo[6]} ), |
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292 | .clk (stb_clk[6]), |
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293 | .se (se), .si (), .so () |
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294 | ); |
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295 | `endif |
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296 | |
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297 | `ifdef FPGA_SYN_CLK_DFF |
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298 | dffe_s #(5) ff_spec_write_7 ( |
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299 | .din ({lsu_stb_va_m[7:6], lsu_st_rq_type_m[2:1], |
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300 | lsu_st_rmo_m}), |
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301 | .q ({stb_state_si_7[3:2], stb_state_rtype_7[2:1], |
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302 | stb_state_rmo[7]} ), |
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303 | .en (~(stb_clk_en_l[7])), .clk(clk), |
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304 | .se (se), .si (), .so () |
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305 | ); |
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306 | `else |
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307 | dff_s #(5) ff_spec_write_7 ( |
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308 | .din ({lsu_stb_va_m[7:6], lsu_st_rq_type_m[2:1], |
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309 | lsu_st_rmo_m}), |
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310 | .q ({stb_state_si_7[3:2], stb_state_rtype_7[2:1], |
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311 | stb_state_rmo[7]} ), |
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312 | .clk (stb_clk[7]), |
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313 | .se (se), .si (), .so () |
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314 | ); |
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315 | `endif |
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316 | |
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317 | |
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318 | endmodule // lsu_stb_ctldp |
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