core: hle: kernel: Add some useful functions for checking kernel addresses.
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@ -5,9 +5,28 @@
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#pragma once
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#include "common/common_types.h"
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#include "core/device_memory.h"
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namespace Kernel::Memory {
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constexpr std::size_t KernelAslrAlignment = 2 * 1024 * 1024;
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constexpr std::size_t KernelVirtualAddressSpaceWidth = 1ULL << 39;
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constexpr std::size_t KernelPhysicalAddressSpaceWidth = 1ULL << 48;
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constexpr std::size_t KernelVirtualAddressSpaceBase = 0ULL - KernelVirtualAddressSpaceWidth;
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constexpr std::size_t KernelVirtualAddressSpaceEnd =
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KernelVirtualAddressSpaceBase + (KernelVirtualAddressSpaceWidth - KernelAslrAlignment);
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constexpr std::size_t KernelVirtualAddressSpaceLast = KernelVirtualAddressSpaceEnd - 1;
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constexpr std::size_t KernelVirtualAddressSpaceSize =
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KernelVirtualAddressSpaceEnd - KernelVirtualAddressSpaceBase;
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constexpr bool IsKernelAddressKey(VAddr key) {
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return KernelVirtualAddressSpaceBase <= key && key <= KernelVirtualAddressSpaceLast;
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}
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constexpr bool IsKernelAddress(VAddr address) {
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return KernelVirtualAddressSpaceBase <= address && address < KernelVirtualAddressSpaceEnd;
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}
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class MemoryRegion final {
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friend class MemoryLayout;
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