Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

RVFI - Cleaner fetched instruction to avoid fake invalid #941

Merged
merged 1 commit into from
Jan 30, 2024
Merged

RVFI - Cleaner fetched instruction to avoid fake invalid #941

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
5 changes: 3 additions & 2 deletions bhv/cv32e40p_rvfi.sv
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -1155,7 +1155,7 @@ insn_trace_t trace_if, trace_id, trace_ex, trace_ex_next, trace_wb;
e_dev_commit_rf_to_ex_3,
e_dev_commit_rf_to_ex_4,
e_dev_commit_rf_to_ex_5;
event e_if_2_id_1, e_if_2_id_2, e_if_2_id_3;
event e_if_2_id_1, e_if_2_id_2, e_if_2_id_3, e_if_2_id_4;
event e_ex_to_wb_1, e_ex_to_wb_2;
event e_id_to_ex_1, e_id_to_ex_2;
event e_commit_dpc;
Expand Down Expand Up @@ -1796,7 +1796,7 @@ insn_trace_t trace_if, trace_id, trace_ex, trace_ex_next, trace_wb;
end
end

if (r_pipe_freeze_trace.if_valid && r_pipe_freeze_trace.if_ready) begin
if (r_pipe_freeze_trace.if_valid && r_pipe_freeze_trace.if_ready && r_pipe_freeze_trace.instr_valid_if) begin
if (trace_if.m_valid) begin
if (r_pipe_freeze_trace.id_valid && r_pipe_freeze_trace.id_ready && !trace_id.m_valid && r_pipe_freeze_trace.ebrk_insn_dec) begin
if_to_id();
Expand All @@ -1807,6 +1807,7 @@ insn_trace_t trace_if, trace_id, trace_ex, trace_ex_next, trace_wb;
->e_if_2_id_3;
end else if (r_pipe_freeze_trace.ecall_insn_dec) begin
if_to_id();
->e_if_2_id_4;
end
end

Expand Down
Loading