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Merge pull request #14788 from unknownbrackets/interp

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interp: Prevent crash on bad lv.q or sv.q addr
This commit is contained in:
Henrik Rydgård 2021-09-02 17:30:12 +02:00 • committed by GitHub
commit 54bb824d37
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1 changed files with 7 additions and 2 deletions
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9
Core/MIPS/MIPSIntVFPU.cpp
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@ -206,6 +206,7 @@ namespace MIPSInt
int vt = (((op >> 16) & 0x1f)) | ((op&1) << 5);
u32 addr = R(rs) + imm;
float *f;
switch (op >> 26)
{
@ -244,7 +245,9 @@ namespace MIPSInt
_dbg_assert_msg_( 0, "Misaligned lv.q at %08x (pc = %08x)", addr, PC);
}
#ifndef COMMON_BIG_ENDIAN
WriteVector((const float*)Memory::GetPointer(addr), V_Quad, vt);
f = reinterpret_cast<float *>(Memory::GetPointer(addr));
if (f)
WriteVector(f, V_Quad, vt);
#else
float lvqd[4];
@ -291,7 +294,9 @@ namespace MIPSInt
_dbg_assert_msg_( 0, "Misaligned sv.q at %08x (pc = %08x)", addr, PC);
}
#ifndef COMMON_BIG_ENDIAN
ReadVector(reinterpret_cast<float *>(Memory::GetPointer(addr)), V_Quad, vt);
f = reinterpret_cast<float *>(Memory::GetPointer(addr));
if (f)
ReadVector(f, V_Quad, vt);
#else
float svqd[4];
ReadVector(svqd, V_Quad, vt);