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https://github.com/KytyPS5/KytyPS5.git
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nmzik
42 lines
1.6 KiB
C++
42 lines
1.6 KiB
C++
#ifndef EMULATOR_SRC_GRAPHICS_HOST_GPU_REGIONDEFINITIONS_H_
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#define EMULATOR_SRC_GRAPHICS_HOST_GPU_REGIONDEFINITIONS_H_
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#include "common/bitArray.h"
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#include "common/common.h"
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#include "kernel/memory.h"
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#include <compare>
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namespace Libs::Graphics {
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constexpr uint64_t TRACKER_PAGE_SIZE = 4ull * 1024ull;
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constexpr uint64_t TRACKER_REGION_SIZE = 4ull * 1024ull * 1024ull;
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constexpr uint64_t TRACKER_ADDRESS_SIZE = 1ull << 44u;
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constexpr uint64_t LOWER_ADDRESS_SIZE = 1ull << 40u;
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constexpr size_t TRACKER_REGION_PAGES = TRACKER_REGION_SIZE / TRACKER_PAGE_SIZE;
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struct GuestRange {
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uint64_t address = 0;
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uint64_t size = 0;
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[[nodiscard]] constexpr bool Empty() const noexcept { return address == 0 && size == 0; }
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[[nodiscard]] constexpr bool Valid() const noexcept {
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if (address == 0 || size == 0) return false;
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if (address < LOWER_ADDRESS_SIZE) return size <= LOWER_ADDRESS_SIZE - address;
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constexpr auto base = LibKernel::Memory::kExtendedMemoryBase;
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constexpr auto length = LibKernel::Memory::kExtendedMemorySize;
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return address >= base && address - base < length && size <= length - (address - base);
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}
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[[nodiscard]] constexpr bool ValidOrEmpty() const noexcept { return Empty() || Valid(); }
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[[nodiscard]] constexpr uint64_t End() const noexcept { return address + size; }
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auto operator<=>(const GuestRange&) const = default;
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};
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enum class DirtySource { Cpu, Gpu };
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using RegionBits = Common::BitArray<TRACKER_REGION_PAGES>;
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static_assert(sizeof(RegionBits) == TRACKER_REGION_PAGES / 8);
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} // namespace Libs::Graphics
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#endif // EMULATOR_SRC_GRAPHICS_HOST_GPU_REGIONDEFINITIONS_H_
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