diff options
Diffstat (limited to 'rtl/core/regs/regs.sv')
| -rw-r--r-- | rtl/core/regs/regs.sv | 45 |
1 files changed, 16 insertions, 29 deletions
diff --git a/rtl/core/regs/regs.sv b/rtl/core/regs/regs.sv index 9b9ba57..b25a122 100644 --- a/rtl/core/regs/regs.sv +++ b/rtl/core/regs/regs.sv @@ -23,48 +23,28 @@ module core_regs * sincronizadas del archivo de registros. */ - logic rd_pc_a, rd_pc_b, wr_pc, file_wr_enable; - reg_index rd_index_a, rd_index_b, wr_index; - word pc_word, file_rd_value_a, file_rd_value_b; + word pc_word, wr_current; + logic wr_pc, wr_enable_file; + reg_index wr_index; + assign branch = wr_enable && wr_pc; assign pc_word = {pc_visible, 2'b00}; - assign rd_value_a = rd_pc_a ? pc_word : (wr_enable && rd_index_a == wr_index) ? wr_value : file_rd_value_a; - assign rd_value_b = rd_pc_b ? pc_word : (wr_enable && rd_index_b == wr_index) ? wr_value : file_rd_value_b; - assign file_wr_enable = wr_enable & ~wr_pc; - assign branch = wr_enable & wr_pc; + assign wr_enable_file = wr_enable && !wr_pc; core_reg_file a ( - .rd_index(rd_index_a), - .rd_value(file_rd_value_a), - .wr_enable(file_wr_enable), + .rd_r(rd_r_a), + .rd_value(rd_value_a), .* ); core_reg_file b ( - .rd_index(rd_index_b), - .rd_value(file_rd_value_b), - .wr_enable(file_wr_enable), + .rd_r(rd_r_b), + .rd_value(rd_value_b), .* ); - core_reg_map map_rd_a - ( - .r(rd_r_a), - .mode(rd_mode), - .is_pc(rd_pc_a), - .index(rd_index_a) - ); - - core_reg_map map_rd_b - ( - .r(rd_r_b), - .mode(rd_mode), - .is_pc(rd_pc_b), - .index(rd_index_b) - ); - core_reg_map map_wr ( .r(wr_r), @@ -73,4 +53,11 @@ module core_regs .index(wr_index) ); + always_ff @(posedge clk) + if(wr_enable) + wr_current <= wr_value; + + initial + wr_current = 0; + endmodule |