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Bus: Properly set unmapped pages to NULL for LUT fastmem

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Stenzek 2023-10-19 21:40:01 +10:00
parent e36130158c
commit 23dff0a9b6
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1 changed files with 3 additions and 1 deletions
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4
src/core/bus.cpp
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@ -543,7 +543,9 @@ void Bus::UpdateFastmemViews(CPUFastmemMode mode)
Log_InfoPrintf("Fastmem base (software): %p", s_fastmem_lut);
}
std::memset(s_fastmem_lut, 0, sizeof(u8*) * FASTMEM_LUT_SLOTS);
// This assumes the top 4KB of address space is not mapped. It shouldn't be on any sane OSes.
for (u32 i = 0; i < FASTMEM_LUT_SLOTS; i++)
s_fastmem_lut[i] = GetLUTFastmemPointer(i << FASTMEM_LUT_PAGE_SHIFT, nullptr);
auto MapRAM = [](u32 base_address) {
u8* ram_ptr = g_ram + (base_address & g_ram_mask);