diff options
Diffstat (limited to 'rtl/core/regs/file.sv')
| -rw-r--r-- | rtl/core/regs/file.sv | 25 |
1 files changed, 13 insertions, 12 deletions
diff --git a/rtl/core/regs/file.sv b/rtl/core/regs/file.sv index 38c3301..d9ac251 100644 --- a/rtl/core/regs/file.sv +++ b/rtl/core/regs/file.sv @@ -3,6 +3,8 @@ module core_reg_file ( input logic clk, + rst_n, + input psr_mode rd_mode, input reg_num rd_r, input reg_index wr_index, @@ -31,19 +33,18 @@ module core_reg_file assign rd_value = hold_rd_pc ? pc_word : forward ? wr_current : rd_actual; - always_ff @(posedge clk) begin - forward <= wr_enable && rd_index == wr_index; - hold_rd_pc <= rd_pc; - - if(wr_enable_file) - file[wr_index] <= wr_value; + always_ff @(posedge clk or negedge rst_n) + if(!rst_n) begin + forward <= 0; + hold_rd_pc <= 0; + end else begin + forward <= wr_enable && rd_index == wr_index; + hold_rd_pc <= rd_pc; - rd_actual <= file[rd_index]; - end + if(wr_enable_file) + file[wr_index] <= wr_value; - initial begin - forward = 0; - hold_rd_pc = 0; - end + rd_actual <= file[rd_index]; + end endmodule |