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Revert "do not ignore MSR=0 even if ignore_bad_msrs is set"

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MSR=0 is valid MSR (used for Machine Check Architecture)

This reverts commit cf03c00ef0.
This commit is contained in:
Stanislav Shwartsman 2022-07-31 18:47:13 +03:00
parent 4d227d15fb
commit 13aa25919a
1 changed files with 2 additions and 2 deletions
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4
bochs/cpu/msr.cc
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@ -466,7 +466,7 @@ bool BX_CPP_AttrRegparmN(2) BX_CPU_C::handle_unknown_rdmsr(Bit32u index, Bit64u
// failed to find the MSR, could #GP or ignore it silently
BX_ERROR(("RDMSR: Unknown register %#x", index));
if (! BX_CPU_THIS_PTR ignore_bad_msrs || ! index)
if (! BX_CPU_THIS_PTR ignore_bad_msrs)
return 0; // will result in #GP fault due to unknown MSR
}
}
@ -1094,7 +1094,7 @@ bool BX_CPP_AttrRegparmN(2) BX_CPU_C::handle_unknown_wrmsr(Bit32u index, Bit64u
#endif
// failed to find the MSR, could #GP or ignore it silently
BX_ERROR(("WRMSR: Unknown register %#x", index));
if (! BX_CPU_THIS_PTR ignore_bad_msrs || ! index)
if (! BX_CPU_THIS_PTR ignore_bad_msrs)
return 0; // will result in #GP fault due to unknown MSR
}