diff options
| author | Alejandro Soto <alejandro@34project.org> | 2022-12-11 23:54:38 -0600 |
|---|---|---|
| committer | Alejandro Soto <alejandro@34project.org> | 2022-12-16 16:29:10 -0600 |
| commit | 79e05aa7f0ccce6eb26248ddef3e928727857a9c (patch) | |
| tree | 8c67d6532234dac0eace7f005638efc8441105a5 /rtl/core/control/issue.sv | |
| parent | 0284628a47d5b4797c89f6846b9efee3f1243b94 (diff) | |
Implement prefetch aborts
Diffstat (limited to 'rtl/core/control/issue.sv')
| -rw-r--r-- | rtl/core/control/issue.sv | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/rtl/core/control/issue.sv b/rtl/core/control/issue.sv index ffdf250..23ecdcf 100644 --- a/rtl/core/control/issue.sv +++ b/rtl/core/control/issue.sv @@ -8,6 +8,7 @@ module core_control_issue input insn_decode dec, input ptr insn_pc, + input logic issue_abort, input ctrl_cycle next_cycle, input logic next_bubble, @@ -18,6 +19,7 @@ module core_control_issue output logic issue, undefined, + prefetch_abort, output ptr pc, pc_visible, next_pc_visible @@ -34,12 +36,14 @@ module core_control_issue pc <= 0; undefined <= 0; pc_visible <= 2; + prefetch_abort <= 0; end else if(next_cycle.issue) begin if(valid) begin undefined <= dec.ctrl.undefined; + prefetch_abort <= issue_abort; `ifdef VERILATOR - if(dec.ctrl.undefined) + if(dec.ctrl.undefined && !issue_abort) $display("[core] undefined insn: [0x%08x] %08x", insn_pc << 2, insn); `endif end |