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invalidate JIT blocks in ARM7 WVRAM when it's remapped

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This commit is contained in:
RSDuck
2022-08-22 00:39:08 +02:00
parent d56219c33c
commit 32609bbc98
4 changed files with 32 additions and 3 deletions
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29
src/ARMJIT.cpp
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@ -1086,11 +1086,34 @@ void InvalidateByAddr(u32 localAddr)
void CheckAndInvalidateITCM()
{
for (u32 i = 0; i < ITCMPhysicalSize; i+=16)
for (u32 i = 0; i < ITCMPhysicalSize; i+=512)
{
if (CodeIndexITCM[i / 512].Code & (1 << ((i & 0x1FF) / 16)))
if (CodeIndexITCM[i / 512].Code)
{
InvalidateByAddr(i | (ARMJIT_Memory::memregion_ITCM << 27));
// maybe using bitscan would be better here?
// The thing is that in densely populated sets
// The old fashioned way can actually be faster
for (u32 j = 0; j < 512; j += 16)
{
if (CodeIndexITCM[i / 512].Code & (1 << ((j & 0x1FF) / 16)))
InvalidateByAddr((i+j) | (ARMJIT_Memory::memregion_ITCM << 27));
}
}
}
}
void CheckAndInvalidateWVRAM(int bank)
{
u32 start = bank == 1 ? 0x20000 : 0;
for (u32 i = start; i < start+0x20000; i+=512)
{
if (CodeIndexARM7WVRAM[i / 512].Code)
{
for (u32 j = 0; j < 512; j += 16)
{
if (CodeIndexARM7WVRAM[i / 512].Code & (1 << ((j & 0x1FF) / 16)))
InvalidateByAddr((i+j) | (ARMJIT_Memory::memregion_VWRAM << 27));
}
}
}
}