github.com/antonblanchard.microwatt
1
0
Fork 0
mirror of https://github.com/antonblanchard/microwatt.git synced 2026-04-12 06:45:26 +00:00
Code Releases Activity

icache: Don't output X on i_out.insn

Browse Source 
decode1 has a lot of logic that uses i_out.insn without first looking at
i_iout.valid. Play it safe and never output X state.

Signed-off-by: Anton Blanchard <anton@linux.ibm.com>
This commit is contained in:
Anton Blanchard
2022-06-12 11:42:32 +10:00
committed by Anton Blanchard
parent 1ff852b012
commit e7f0a7c7ac
1 changed files with 5 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
icache.vhdl
View File

@@ -555,7 +555,11 @@ begin
-- I prefer not to do just yet as it would force fetch2 to know about
-- some of the cache geometry information.
--
i_out.insn <= read_insn_word(r.hit_nia, cache_out(r.hit_way));
if r.hit_valid = '1' then
i_out.insn <= read_insn_word(r.hit_nia, cache_out(r.hit_way));
else
i_out.insn <= (others => '0');
end if;
i_out.valid <= r.hit_valid;
i_out.nia <= r.hit_nia;
i_out.stop_mark <= r.hit_smark;