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Properly handle GPU access rights

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Since my first commit restricts GPU mappings to memory areas with GPU access permissions, we also need to be updating the GPU mappings appropriately during Protect calls too.
This commit is contained in:
Stephen Miller 2025-05-26 21:18:47 -05:00
parent f0852650cc
commit 55099c0aac
1 changed files with 12 additions and 0 deletions
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12
src/core/memory.cpp
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@ -578,6 +578,18 @@ s64 MemoryManager::ProtectBytes(VAddr addr, VirtualMemoryArea vma_base, size_t s
return ORBIS_KERNEL_ERROR_EINVAL; return ORBIS_KERNEL_ERROR_EINVAL;
} }
if (vma_base.prot < MemoryProt::GpuRead && prot >= MemoryProt::GpuRead) {
// New protection will give the GPU access to this VMA, perform a rasterizer map
ASSERT_MSG(IsValidGpuMapping(addr, size), "Invalid address for GPU mapping");
rasterizer->MapMemory(addr, size);
}
if (vma_base.prot >= MemoryProt::GpuRead && prot < MemoryProt::GpuRead) {
// New protection will remove the GPU's access to this VMA, perform a rasterizer unmap
ASSERT_MSG(IsValidGpuMapping(addr, size), "Invalid address for GPU unmap");
rasterizer->UnmapMemory(addr, size);
}
// Change protection // Change protection
vma_base.prot = prot; vma_base.prot = prot;