diff options
| author | Alejandro Soto <alejandro@34project.org> | 2022-11-12 21:47:54 -0600 |
|---|---|---|
| committer | Alejandro Soto <alejandro@34project.org> | 2022-11-13 05:54:44 -0600 |
| commit | 6cb000adf57d7af2ec4aac8fd93d12f09cc63556 (patch) | |
| tree | 39610a5bd40d8fbb5b0ffd54252113f859dc3c71 /rtl/core/control/issue.sv | |
| parent | 6281f45ac01e113f2b59fe6f49baad0cc8ab16fc (diff) | |
Implement CPU halt
Diffstat (limited to 'rtl/core/control/issue.sv')
| -rw-r--r-- | rtl/core/control/issue.sv | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/rtl/core/control/issue.sv b/rtl/core/control/issue.sv index e3eb338..b2ee6e5 100644 --- a/rtl/core/control/issue.sv +++ b/rtl/core/control/issue.sv @@ -4,6 +4,7 @@ module core_control_issue ( input logic clk, rst_n, + halt, input insn_decode dec, input ptr insn_pc, @@ -22,7 +23,7 @@ module core_control_issue next_pc_visible ); - assign issue = next_cycle == ISSUE && dec.ctrl.execute && !next_bubble; + assign issue = next_cycle == ISSUE && dec.ctrl.execute && !next_bubble && !halt; assign next_pc_visible = insn_pc + 2; always_ff @(posedge clk or negedge rst_n) |