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fix(sstc): menvcfg.stce shouldn't control an attempt to access vstimecmp - #6129

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kunminghu-v2from
fix-sstc-260624
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fix(sstc): menvcfg.stce shouldn't control an attempt to access vstimecmp#6129
wissygh wants to merge 2 commits into
kunminghu-v2from
fix-sstc-260624

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@wissygh

@wissygh wissygh commented Jun 24, 2026

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  • When menvcfg.STCE is zero, an attempt to access stimecmp when non-Mmode raises II.
  • When henvcfg.STCE is zero, an attempt to access stimecmp (really vstimecmp) when V=1 raises VI.

wissygh added 2 commits June 24, 2026 17:15
 * When menvcfg.STCE is zero, an attempt to access stimecmp when non-Mmode raises II.
 * When henvcfg.STCE is zero, an attempt to access stimecmp (really vstimecmp) when V=1 raises VI.
@github-actions github-actions Bot added module: backend Decode, Rename, Issue, Dispatch, Rob, Alu, Csr, fudian, yunsuan module: tool non-RTL tools like difftest, gsim, XSpdb, Makefiles, scripts, CI/CD, etc. topic: functionality To introduce new function, e.g. new isa extensions, new components, bug fixes... note: submodule bump (PR) For maintainer: this bumps submodule, merge carefully labels Jun 24, 2026
@wissygh wissygh changed the title fix(sstc): menvcfg.sstc shouldn't control an attempt to access vstimecmp fix(sstc): menvcfg.stce shouldn't control an attempt to access vstimecmp Jun 29, 2026
@wissygh

wissygh commented Jul 9, 2026

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this pr is merged to #6125

@wissygh wissygh closed this Jul 9, 2026
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module: backend Decode, Rename, Issue, Dispatch, Rob, Alu, Csr, fudian, yunsuan module: tool non-RTL tools like difftest, gsim, XSpdb, Makefiles, scripts, CI/CD, etc. note: submodule bump (PR) For maintainer: this bumps submodule, merge carefully topic: functionality To introduce new function, e.g. new isa extensions, new components, bug fixes...

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