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Fix segfault accessing menvcfg when U-mode doesn't exist #1753

Merged
merged 1 commit into from
Aug 1, 2024
Merged

Fix segfault accessing menvcfg when U-mode doesn't exist #1753

merged 1 commit into from
Aug 1, 2024

Commits on Jul 31, 2024

  1. Fix segfault accessing menvcfg when U-mode doesn't exist 

    The simplest fix is to create the CSRs even if they don't need to exist,
and just skip adding them to the CSR map to prevent the target machine
from being able to access them.

It looks like there are other place we should be following this pattern:
e.g. why does sstatus exist if S-mode does not exist?  But that's a
matter for another day.

Resolves #1752
    @aswaterman
    aswaterman committed Jul 31, 2024
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