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Metavalue cleanup for pmu.vhdl

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Signed-off-by: Michael Neuling <mikey@neuling.org>
This commit is contained in:
Michael Neuling 2022-07-14 10:32:37 +10:00
parent 43e62dbd9e
commit 7a3e5cac3b
1 changed files with 5 additions and 1 deletions
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6
pmu.vhdl
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@ -217,7 +217,11 @@ begin
-- Check for timebase events
tbdiff := p_in.tbbits and not prev_tb;
tbbit := tbdiff(3 - to_integer(unsigned(mmcr0(MMCR0_TBSEL + 1 downto MMCR0_TBSEL))));
if is_X(mmcr0) then
tbbit := 'X';
else
tbbit := tbdiff(3 - to_integer(unsigned(mmcr0(MMCR0_TBSEL + 1 downto MMCR0_TBSEL))));
end if;
if tbbit = '1' and mmcr0(MMCR0_TBEE) = '1' then
event := '1';
end if;