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| author | Alejandro Soto <alejandro@34project.org> | 2022-12-06 15:27:42 -0600 |
|---|---|---|
| committer | Alejandro Soto <alejandro@34project.org> | 2022-12-06 15:27:42 -0600 |
| commit | b1761b8eac5777c09723bbc8cd31cc05d8ec35ae (patch) | |
| tree | a7a50591a1b5f9d7e26a7f6797a97d9ac213879a /rtl/core/decode/mux.sv | |
| parent | 064b72ae4eb22336438288a9664a37c0dd07f4bc (diff) | |
Implement breakpoints
Diffstat (limited to '')
| -rw-r--r-- | rtl/core/decode/mux.sv | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/rtl/core/decode/mux.sv b/rtl/core/decode/mux.sv index 3f613a4..f05b711 100644 --- a/rtl/core/decode/mux.sv +++ b/rtl/core/decode/mux.sv @@ -57,6 +57,7 @@ module core_decode_mux mul, psr, coproc, + bkpt, psr_saved, psr_write, psr_wr_flags, @@ -71,6 +72,7 @@ module core_decode_mux always_comb begin mul = 0; ldst = 0; + bkpt = 0; branch = 0; coproc = 0; execute = 1; @@ -230,6 +232,14 @@ module core_decode_mux writeback = 1; end +`ifdef VERILATOR + // No es parte de ARM del todo, es un hack para soportar gdb + `INSN_GDB_SWBREAK: begin + bkpt = 1; + dec_data.uses_rn = 0; + end +`endif + default: undefined = 1; endcase @@ -252,6 +262,7 @@ module core_decode_mux mul = 1'bx; psr = 1'bx; + bkpt = 1'bx; ldst = 1'bx; branch = 1'bx; coproc = 1'bx; |