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core/memory: Create a special MapMemoryRegion for physical memory.

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This allows us to create a fastmem arena within the memory.cpp helpers.
This commit is contained in:
Markus Wick
2020-01-12 17:04:15 +01:00
parent 55103da066
commit 56672b8c98
4 changed files with 31 additions and 4 deletions
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5
src/core/hle/kernel/physical_memory.h
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@@ -14,6 +14,9 @@ namespace Kernel {
// - Second to ensure all host backing memory used is aligned to 256 bytes due
// to strict alignment restrictions on GPU memory.
using PhysicalMemory = std::vector<u8, Common::AlignmentAllocator<u8, 256>>;
using PhysicalMemoryVector = std::vector<u8, Common::AlignmentAllocator<u8, 256>>;
class PhysicalMemory final : public PhysicalMemoryVector {
using PhysicalMemoryVector::PhysicalMemoryVector;
};
} // namespace Kernel

3
src/core/hle/kernel/vm_manager.cpp
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@@ -780,8 +780,7 @@ void VMManager::UpdatePageTableForVMA(const VirtualMemoryArea& vma) {
memory.UnmapRegion(page_table, vma.base, vma.size);
break;
case VMAType::AllocatedMemoryBlock:
memory.MapMemoryRegion(page_table, vma.base, vma.size,
vma.backing_block->data() + vma.offset);
memory.MapMemoryRegion(page_table, vma.base, vma.size, *vma.backing_block, vma.offset);
break;
case VMAType::BackingMemory:
memory.MapMemoryRegion(page_table, vma.base, vma.size, vma.backing_memory);