mirror of https://github.com/yuzu-emu/yuzu.git
384 lines
17 KiB
C++
384 lines
17 KiB
C++
// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#pragma once
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#include "common/bit_util.h"
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#include "common/common_funcs.h"
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#include "common/common_types.h"
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#define ARCH_ARM64
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#define BOARD_NINTENDO_NX
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namespace Kernel {
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enum KMemoryRegionType : u32 {
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KMemoryRegionAttr_CarveoutProtected = 0x02000000,
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KMemoryRegionAttr_Uncached = 0x04000000,
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KMemoryRegionAttr_DidKernelMap = 0x08000000,
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KMemoryRegionAttr_ShouldKernelMap = 0x10000000,
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KMemoryRegionAttr_UserReadOnly = 0x20000000,
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KMemoryRegionAttr_NoUserMap = 0x40000000,
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KMemoryRegionAttr_LinearMapped = 0x80000000,
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};
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DECLARE_ENUM_FLAG_OPERATORS(KMemoryRegionType);
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namespace impl {
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constexpr size_t BitsForDeriveSparse(size_t n) {
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return n + 1;
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}
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constexpr size_t BitsForDeriveDense(size_t n) {
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size_t low = 0, high = 1;
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for (size_t i = 0; i < n - 1; ++i) {
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if ((++low) == high) {
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++high;
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low = 0;
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}
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}
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return high + 1;
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}
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class KMemoryRegionTypeValue {
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public:
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using ValueType = std::underlying_type_t<KMemoryRegionType>;
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constexpr KMemoryRegionTypeValue() = default;
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constexpr operator KMemoryRegionType() const {
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return static_cast<KMemoryRegionType>(m_value);
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}
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constexpr ValueType GetValue() const {
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return m_value;
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}
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constexpr const KMemoryRegionTypeValue& Finalize() {
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m_finalized = true;
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return *this;
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}
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constexpr const KMemoryRegionTypeValue& SetSparseOnly() {
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m_sparse_only = true;
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return *this;
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}
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constexpr const KMemoryRegionTypeValue& SetDenseOnly() {
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m_dense_only = true;
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return *this;
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}
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constexpr KMemoryRegionTypeValue& SetAttribute(u32 attr) {
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m_value |= attr;
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return *this;
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}
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constexpr KMemoryRegionTypeValue DeriveInitial(
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size_t i, size_t next = Common::BitSize<ValueType>()) const {
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KMemoryRegionTypeValue new_type = *this;
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new_type.m_value = (ValueType{1} << i);
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new_type.m_next_bit = next;
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return new_type;
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}
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constexpr KMemoryRegionTypeValue DeriveAttribute(u32 attr) const {
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KMemoryRegionTypeValue new_type = *this;
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new_type.m_value |= attr;
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return new_type;
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}
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constexpr KMemoryRegionTypeValue DeriveTransition(size_t ofs = 0, size_t adv = 1) const {
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KMemoryRegionTypeValue new_type = *this;
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new_type.m_value |= (ValueType{1} << (m_next_bit + ofs));
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new_type.m_next_bit += adv;
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return new_type;
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}
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constexpr KMemoryRegionTypeValue DeriveSparse(size_t ofs, size_t n, size_t i) const {
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KMemoryRegionTypeValue new_type = *this;
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new_type.m_value |= (ValueType{1} << (m_next_bit + ofs));
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new_type.m_value |= (ValueType{1} << (m_next_bit + ofs + 1 + i));
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new_type.m_next_bit += ofs + n + 1;
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return new_type;
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}
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constexpr KMemoryRegionTypeValue Derive(size_t n, size_t i) const {
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size_t low = 0, high = 1;
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for (size_t j = 0; j < i; ++j) {
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if ((++low) == high) {
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++high;
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low = 0;
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}
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}
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KMemoryRegionTypeValue new_type = *this;
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new_type.m_value |= (ValueType{1} << (m_next_bit + low));
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new_type.m_value |= (ValueType{1} << (m_next_bit + high));
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new_type.m_next_bit += BitsForDeriveDense(n);
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return new_type;
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}
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constexpr KMemoryRegionTypeValue Advance(size_t n) const {
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KMemoryRegionTypeValue new_type = *this;
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new_type.m_next_bit += n;
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return new_type;
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}
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constexpr bool IsAncestorOf(ValueType v) const {
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return (m_value | v) == v;
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}
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private:
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constexpr KMemoryRegionTypeValue(ValueType v) : m_value(v) {}
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private:
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ValueType m_value{};
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size_t m_next_bit{};
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bool m_finalized{};
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bool m_sparse_only{};
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bool m_dense_only{};
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};
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} // namespace impl
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constexpr inline auto KMemoryRegionType_None = impl::KMemoryRegionTypeValue();
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constexpr inline auto KMemoryRegionType_Kernel = KMemoryRegionType_None.DeriveInitial(0, 2);
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constexpr inline auto KMemoryRegionType_Dram = KMemoryRegionType_None.DeriveInitial(1, 2);
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static_assert(KMemoryRegionType_Kernel.GetValue() == 0x1);
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static_assert(KMemoryRegionType_Dram.GetValue() == 0x2);
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// constexpr inline auto KMemoryRegionType_CoreLocalRegion =
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// KMemoryRegionType_None.DeriveInitial(2).Finalize();
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// static_assert(KMemoryRegionType_CoreLocalRegion.GetValue() == 0x4);
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constexpr inline auto KMemoryRegionType_DramKernelBase =
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KMemoryRegionType_Dram.DeriveSparse(0, 3, 0)
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.SetAttribute(KMemoryRegionAttr_NoUserMap)
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.SetAttribute(KMemoryRegionAttr_CarveoutProtected);
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constexpr inline auto KMemoryRegionType_DramReservedBase =
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KMemoryRegionType_Dram.DeriveSparse(0, 3, 1);
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constexpr inline auto KMemoryRegionType_DramHeapBase =
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KMemoryRegionType_Dram.DeriveSparse(0, 3, 2).SetAttribute(KMemoryRegionAttr_LinearMapped);
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static_assert(KMemoryRegionType_DramKernelBase.GetValue() ==
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(0xE | KMemoryRegionAttr_CarveoutProtected | KMemoryRegionAttr_NoUserMap));
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static_assert(KMemoryRegionType_DramReservedBase.GetValue() == (0x16));
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static_assert(KMemoryRegionType_DramHeapBase.GetValue() == (0x26 | KMemoryRegionAttr_LinearMapped));
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constexpr inline auto KMemoryRegionType_DramKernelCode =
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KMemoryRegionType_DramKernelBase.DeriveSparse(0, 4, 0);
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constexpr inline auto KMemoryRegionType_DramKernelSlab =
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KMemoryRegionType_DramKernelBase.DeriveSparse(0, 4, 1);
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constexpr inline auto KMemoryRegionType_DramKernelPtHeap =
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KMemoryRegionType_DramKernelBase.DeriveSparse(0, 4, 2).SetAttribute(
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KMemoryRegionAttr_LinearMapped);
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constexpr inline auto KMemoryRegionType_DramKernelInitPt =
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KMemoryRegionType_DramKernelBase.DeriveSparse(0, 4, 3).SetAttribute(
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KMemoryRegionAttr_LinearMapped);
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static_assert(KMemoryRegionType_DramKernelCode.GetValue() ==
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(0xCE | KMemoryRegionAttr_CarveoutProtected | KMemoryRegionAttr_NoUserMap));
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static_assert(KMemoryRegionType_DramKernelSlab.GetValue() ==
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(0x14E | KMemoryRegionAttr_CarveoutProtected | KMemoryRegionAttr_NoUserMap));
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static_assert(KMemoryRegionType_DramKernelPtHeap.GetValue() ==
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(0x24E | KMemoryRegionAttr_CarveoutProtected | KMemoryRegionAttr_NoUserMap |
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KMemoryRegionAttr_LinearMapped));
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static_assert(KMemoryRegionType_DramKernelInitPt.GetValue() ==
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(0x44E | KMemoryRegionAttr_CarveoutProtected | KMemoryRegionAttr_NoUserMap |
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KMemoryRegionAttr_LinearMapped));
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constexpr inline auto KMemoryRegionType_DramKernelSecureAppletMemory =
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KMemoryRegionType_DramKernelBase.DeriveSparse(1, 3, 0).SetAttribute(
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KMemoryRegionAttr_LinearMapped);
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constexpr inline const auto KMemoryRegionType_DramKernelSecureUnknown =
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KMemoryRegionType_DramKernelBase.DeriveSparse(1, 3, 1).SetAttribute(
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KMemoryRegionAttr_LinearMapped);
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static_assert(KMemoryRegionType_DramKernelSecureAppletMemory.GetValue() ==
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(0x18E | KMemoryRegionAttr_CarveoutProtected | KMemoryRegionAttr_NoUserMap |
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KMemoryRegionAttr_LinearMapped));
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static_assert(KMemoryRegionType_DramKernelSecureUnknown.GetValue() ==
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(0x28E | KMemoryRegionAttr_CarveoutProtected | KMemoryRegionAttr_NoUserMap |
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KMemoryRegionAttr_LinearMapped));
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constexpr inline auto KMemoryRegionType_DramReservedEarly =
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KMemoryRegionType_DramReservedBase.DeriveAttribute(KMemoryRegionAttr_NoUserMap);
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static_assert(KMemoryRegionType_DramReservedEarly.GetValue() ==
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(0x16 | KMemoryRegionAttr_NoUserMap));
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constexpr inline auto KMemoryRegionType_KernelTraceBuffer =
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KMemoryRegionType_DramReservedBase.DeriveSparse(0, 3, 0)
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.SetAttribute(KMemoryRegionAttr_LinearMapped)
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.SetAttribute(KMemoryRegionAttr_UserReadOnly);
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constexpr inline auto KMemoryRegionType_OnMemoryBootImage =
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KMemoryRegionType_DramReservedBase.DeriveSparse(0, 3, 1);
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constexpr inline auto KMemoryRegionType_DTB =
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KMemoryRegionType_DramReservedBase.DeriveSparse(0, 3, 2);
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static_assert(KMemoryRegionType_KernelTraceBuffer.GetValue() ==
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(0xD6 | KMemoryRegionAttr_LinearMapped | KMemoryRegionAttr_UserReadOnly));
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static_assert(KMemoryRegionType_OnMemoryBootImage.GetValue() == 0x156);
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static_assert(KMemoryRegionType_DTB.GetValue() == 0x256);
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constexpr inline auto KMemoryRegionType_DramPoolPartition =
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KMemoryRegionType_DramHeapBase.DeriveAttribute(KMemoryRegionAttr_NoUserMap);
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static_assert(KMemoryRegionType_DramPoolPartition.GetValue() ==
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(0x26 | KMemoryRegionAttr_LinearMapped | KMemoryRegionAttr_NoUserMap));
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// UNUSED: .Derive(4, 1);
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// UNUSED: .Derive(4, 2);
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constexpr inline const auto KMemoryRegionType_DramPoolManagement =
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KMemoryRegionType_DramPoolPartition.Derive(4, 0).SetAttribute(
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KMemoryRegionAttr_CarveoutProtected);
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constexpr inline const auto KMemoryRegionType_DramUserPool =
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KMemoryRegionType_DramPoolPartition.Derive(4, 3);
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static_assert(KMemoryRegionType_DramPoolManagement.GetValue() ==
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(0xE6 | KMemoryRegionAttr_LinearMapped | KMemoryRegionAttr_NoUserMap |
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KMemoryRegionAttr_CarveoutProtected));
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static_assert(KMemoryRegionType_DramUserPool.GetValue() ==
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(0x266 | KMemoryRegionAttr_LinearMapped | KMemoryRegionAttr_NoUserMap));
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constexpr inline auto KMemoryRegionType_DramApplicationPool =
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KMemoryRegionType_DramUserPool.Derive(4, 0);
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constexpr inline auto KMemoryRegionType_DramAppletPool =
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KMemoryRegionType_DramUserPool.Derive(4, 1);
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constexpr inline auto KMemoryRegionType_DramSystemNonSecurePool =
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KMemoryRegionType_DramUserPool.Derive(4, 2);
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constexpr inline auto KMemoryRegionType_DramSystemPool =
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KMemoryRegionType_DramUserPool.Derive(4, 3).SetAttribute(KMemoryRegionAttr_CarveoutProtected);
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static_assert(KMemoryRegionType_DramApplicationPool.GetValue() ==
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(0xE66 | KMemoryRegionAttr_LinearMapped | KMemoryRegionAttr_NoUserMap));
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static_assert(KMemoryRegionType_DramAppletPool.GetValue() ==
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(0x1666 | KMemoryRegionAttr_LinearMapped | KMemoryRegionAttr_NoUserMap));
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static_assert(KMemoryRegionType_DramSystemNonSecurePool.GetValue() ==
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(0x1A66 | KMemoryRegionAttr_LinearMapped | KMemoryRegionAttr_NoUserMap));
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static_assert(KMemoryRegionType_DramSystemPool.GetValue() ==
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(0x2666 | KMemoryRegionAttr_LinearMapped | KMemoryRegionAttr_NoUserMap |
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KMemoryRegionAttr_CarveoutProtected));
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constexpr inline auto KMemoryRegionType_VirtualDramHeapBase =
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KMemoryRegionType_Dram.DeriveSparse(1, 4, 0);
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constexpr inline auto KMemoryRegionType_VirtualDramKernelPtHeap =
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KMemoryRegionType_Dram.DeriveSparse(1, 4, 1);
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constexpr inline auto KMemoryRegionType_VirtualDramKernelTraceBuffer =
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KMemoryRegionType_Dram.DeriveSparse(1, 4, 2);
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static_assert(KMemoryRegionType_VirtualDramHeapBase.GetValue() == 0x1A);
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static_assert(KMemoryRegionType_VirtualDramKernelPtHeap.GetValue() == 0x2A);
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static_assert(KMemoryRegionType_VirtualDramKernelTraceBuffer.GetValue() == 0x4A);
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// UNUSED: .Derive(4, 2);
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constexpr inline const auto KMemoryRegionType_VirtualDramUnknownDebug =
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KMemoryRegionType_Dram.Advance(2).Derive(4, 0);
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constexpr inline const auto KMemoryRegionType_VirtualDramKernelSecureAppletMemory =
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KMemoryRegionType_Dram.Advance(2).Derive(4, 1);
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constexpr inline const auto KMemoryRegionType_VirtualDramKernelSecureUnknown =
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KMemoryRegionType_Dram.Advance(2).Derive(4, 3);
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static_assert(KMemoryRegionType_VirtualDramUnknownDebug.GetValue() == (0x32));
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static_assert(KMemoryRegionType_VirtualDramKernelSecureAppletMemory.GetValue() == (0x52));
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static_assert(KMemoryRegionType_VirtualDramKernelSecureUnknown.GetValue() == (0x92));
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// UNUSED: .Derive(4, 3);
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constexpr inline const auto KMemoryRegionType_VirtualDramKernelInitPt =
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KMemoryRegionType_VirtualDramHeapBase.Derive(4, 0);
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constexpr inline const auto KMemoryRegionType_VirtualDramPoolManagement =
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KMemoryRegionType_VirtualDramHeapBase.Derive(4, 1);
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constexpr inline const auto KMemoryRegionType_VirtualDramUserPool =
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KMemoryRegionType_VirtualDramHeapBase.Derive(4, 2);
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static_assert(KMemoryRegionType_VirtualDramKernelInitPt.GetValue() == 0x31A);
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static_assert(KMemoryRegionType_VirtualDramPoolManagement.GetValue() == 0x51A);
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static_assert(KMemoryRegionType_VirtualDramUserPool.GetValue() == 0x61A);
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// NOTE: For unknown reason, the pools are derived out-of-order here.
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// It's worth eventually trying to understand why Nintendo made this choice.
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// UNUSED: .Derive(6, 0);
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// UNUSED: .Derive(6, 1);
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constexpr inline const auto KMemoryRegionType_VirtualDramApplicationPool =
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KMemoryRegionType_VirtualDramUserPool.Derive(4, 0);
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constexpr inline const auto KMemoryRegionType_VirtualDramAppletPool =
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KMemoryRegionType_VirtualDramUserPool.Derive(4, 1);
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constexpr inline const auto KMemoryRegionType_VirtualDramSystemNonSecurePool =
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KMemoryRegionType_VirtualDramUserPool.Derive(4, 2);
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constexpr inline const auto KMemoryRegionType_VirtualDramSystemPool =
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KMemoryRegionType_VirtualDramUserPool.Derive(4, 3);
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static_assert(KMemoryRegionType_VirtualDramApplicationPool.GetValue() == 0x361A);
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static_assert(KMemoryRegionType_VirtualDramAppletPool.GetValue() == 0x561A);
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static_assert(KMemoryRegionType_VirtualDramSystemNonSecurePool.GetValue() == 0x661A);
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static_assert(KMemoryRegionType_VirtualDramSystemPool.GetValue() == 0x961A);
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constexpr inline auto KMemoryRegionType_ArchDeviceBase =
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KMemoryRegionType_Kernel.DeriveTransition(0, 1).SetSparseOnly();
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constexpr inline auto KMemoryRegionType_BoardDeviceBase =
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KMemoryRegionType_Kernel.DeriveTransition(0, 2).SetDenseOnly();
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static_assert(KMemoryRegionType_ArchDeviceBase.GetValue() == 0x5);
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static_assert(KMemoryRegionType_BoardDeviceBase.GetValue() == 0x5);
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#if defined(ARCH_ARM64)
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#include "core/hle/kernel/arch/arm64/k_memory_region_device_types.inc"
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#elif defined(ARCH_ARM)
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#error "Unimplemented"
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#else
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// Default to no architecture devices.
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constexpr inline auto NumArchitectureDeviceRegions = 0;
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#endif
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static_assert(NumArchitectureDeviceRegions >= 0);
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#if defined(BOARD_NINTENDO_NX)
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#include "core/hle/kernel/board/nintendo/nx/k_memory_region_device_types.inc"
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#else
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// Default to no board devices.
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constexpr inline auto NumBoardDeviceRegions = 0;
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#endif
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static_assert(NumBoardDeviceRegions >= 0);
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constexpr inline auto KMemoryRegionType_KernelCode = KMemoryRegionType_Kernel.DeriveSparse(1, 4, 0);
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constexpr inline auto KMemoryRegionType_KernelStack =
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KMemoryRegionType_Kernel.DeriveSparse(1, 4, 1);
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constexpr inline auto KMemoryRegionType_KernelMisc = KMemoryRegionType_Kernel.DeriveSparse(1, 4, 2);
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constexpr inline auto KMemoryRegionType_KernelSlab = KMemoryRegionType_Kernel.DeriveSparse(1, 4, 3);
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static_assert(KMemoryRegionType_KernelCode.GetValue() == 0x19);
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static_assert(KMemoryRegionType_KernelStack.GetValue() == 0x29);
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static_assert(KMemoryRegionType_KernelMisc.GetValue() == 0x49);
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static_assert(KMemoryRegionType_KernelSlab.GetValue() == 0x89);
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constexpr inline auto KMemoryRegionType_KernelMiscDerivedBase =
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KMemoryRegionType_KernelMisc.DeriveTransition();
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static_assert(KMemoryRegionType_KernelMiscDerivedBase.GetValue() == 0x149);
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// UNUSED: .Derive(7, 0);
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constexpr inline auto KMemoryRegionType_KernelMiscMainStack =
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KMemoryRegionType_KernelMiscDerivedBase.Derive(7, 1);
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constexpr inline auto KMemoryRegionType_KernelMiscMappedDevice =
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KMemoryRegionType_KernelMiscDerivedBase.Derive(7, 2);
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constexpr inline auto KMemoryRegionType_KernelMiscExceptionStack =
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KMemoryRegionType_KernelMiscDerivedBase.Derive(7, 3);
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constexpr inline auto KMemoryRegionType_KernelMiscUnknownDebug =
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KMemoryRegionType_KernelMiscDerivedBase.Derive(7, 4);
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// UNUSED: .Derive(7, 5);
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constexpr inline auto KMemoryRegionType_KernelMiscIdleStack =
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KMemoryRegionType_KernelMiscDerivedBase.Derive(7, 6);
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static_assert(KMemoryRegionType_KernelMiscMainStack.GetValue() == 0xB49);
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static_assert(KMemoryRegionType_KernelMiscMappedDevice.GetValue() == 0xD49);
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static_assert(KMemoryRegionType_KernelMiscExceptionStack.GetValue() == 0x1349);
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static_assert(KMemoryRegionType_KernelMiscUnknownDebug.GetValue() == 0x1549);
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static_assert(KMemoryRegionType_KernelMiscIdleStack.GetValue() == 0x2349);
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constexpr inline auto KMemoryRegionType_KernelTemp =
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KMemoryRegionType_Kernel.Advance(2).Derive(2, 0);
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static_assert(KMemoryRegionType_KernelTemp.GetValue() == 0x31);
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constexpr KMemoryRegionType GetTypeForVirtualLinearMapping(u32 type_id) {
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if (KMemoryRegionType_DramKernelPtHeap.IsAncestorOf(type_id)) {
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return KMemoryRegionType_VirtualDramKernelPtHeap;
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} else if (KMemoryRegionType_DramKernelSecureAppletMemory.IsAncestorOf(type_id)) {
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return KMemoryRegionType_VirtualDramKernelSecureAppletMemory;
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} else if (KMemoryRegionType_DramKernelSecureUnknown.IsAncestorOf(type_id)) {
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return KMemoryRegionType_VirtualDramKernelSecureUnknown;
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} else if (KMemoryRegionType_KernelTraceBuffer.IsAncestorOf(type_id)) {
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return KMemoryRegionType_VirtualDramKernelTraceBuffer;
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} else if ((type_id | KMemoryRegionAttr_ShouldKernelMap) == type_id) {
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return KMemoryRegionType_VirtualDramUnknownDebug;
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} else {
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return KMemoryRegionType_Dram;
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}
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}
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} // namespace Kernel
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