mirror of https://github.com/yuzu-emu/yuzu
554 lines
24 KiB
C++
554 lines
24 KiB
C++
// SPDX-FileCopyrightText: Copyright 2020 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 <memory>
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#include "common/common_funcs.h"
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#include "common/page_table.h"
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#include "core/file_sys/program_metadata.h"
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#include "core/hle/kernel/k_dynamic_resource_manager.h"
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#include "core/hle/kernel/k_light_lock.h"
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#include "core/hle/kernel/k_memory_block.h"
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#include "core/hle/kernel/k_memory_block_manager.h"
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#include "core/hle/kernel/k_memory_layout.h"
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#include "core/hle/kernel/k_memory_manager.h"
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#include "core/hle/kernel/k_typed_address.h"
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#include "core/hle/result.h"
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#include "core/memory.h"
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namespace Core {
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class System;
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}
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namespace Kernel {
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enum class DisableMergeAttribute : u8 {
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None = (0U << 0),
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DisableHead = (1U << 0),
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DisableHeadAndBody = (1U << 1),
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EnableHeadAndBody = (1U << 2),
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DisableTail = (1U << 3),
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EnableTail = (1U << 4),
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EnableAndMergeHeadBodyTail = (1U << 5),
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EnableHeadBodyTail = EnableHeadAndBody | EnableTail,
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DisableHeadBodyTail = DisableHeadAndBody | DisableTail,
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};
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struct KPageProperties {
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KMemoryPermission perm;
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bool io;
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bool uncached;
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DisableMergeAttribute disable_merge_attributes;
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};
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static_assert(std::is_trivial_v<KPageProperties>);
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static_assert(sizeof(KPageProperties) == sizeof(u32));
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class KBlockInfoManager;
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class KMemoryBlockManager;
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class KResourceLimit;
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class KSystemResource;
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class KPageTable final {
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protected:
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struct PageLinkedList;
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public:
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enum class ICacheInvalidationStrategy : u32 { InvalidateRange, InvalidateAll };
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YUZU_NON_COPYABLE(KPageTable);
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YUZU_NON_MOVEABLE(KPageTable);
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explicit KPageTable(Core::System& system_);
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~KPageTable();
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Result InitializeForProcess(FileSys::ProgramAddressSpaceType as_type, bool enable_aslr,
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bool enable_das_merge, bool from_back, KMemoryManager::Pool pool,
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KProcessAddress code_addr, size_t code_size,
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KSystemResource* system_resource, KResourceLimit* resource_limit,
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Core::Memory::Memory& memory);
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void Finalize();
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Result MapProcessCode(KProcessAddress addr, size_t pages_count, KMemoryState state,
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KMemoryPermission perm);
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Result MapCodeMemory(KProcessAddress dst_address, KProcessAddress src_address, size_t size);
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Result UnmapCodeMemory(KProcessAddress dst_address, KProcessAddress src_address, size_t size,
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ICacheInvalidationStrategy icache_invalidation_strategy);
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Result UnmapProcessMemory(KProcessAddress dst_addr, size_t size, KPageTable& src_page_table,
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KProcessAddress src_addr);
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Result MapPhysicalMemory(KProcessAddress addr, size_t size);
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Result UnmapPhysicalMemory(KProcessAddress addr, size_t size);
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Result MapMemory(KProcessAddress dst_addr, KProcessAddress src_addr, size_t size);
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Result UnmapMemory(KProcessAddress dst_addr, KProcessAddress src_addr, size_t size);
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Result SetProcessMemoryPermission(KProcessAddress addr, size_t size,
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Svc::MemoryPermission svc_perm);
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KMemoryInfo QueryInfo(KProcessAddress addr);
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Result SetMemoryPermission(KProcessAddress addr, size_t size, Svc::MemoryPermission perm);
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Result SetMemoryAttribute(KProcessAddress addr, size_t size, u32 mask, u32 attr);
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Result SetMaxHeapSize(size_t size);
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Result SetHeapSize(u64* out, size_t size);
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Result LockForMapDeviceAddressSpace(bool* out_is_io, KProcessAddress address, size_t size,
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KMemoryPermission perm, bool is_aligned, bool check_heap);
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Result LockForUnmapDeviceAddressSpace(KProcessAddress address, size_t size, bool check_heap);
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Result UnlockForDeviceAddressSpace(KProcessAddress addr, size_t size);
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Result LockForIpcUserBuffer(KPhysicalAddress* out, KProcessAddress address, size_t size);
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Result UnlockForIpcUserBuffer(KProcessAddress address, size_t size);
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Result SetupForIpc(KProcessAddress* out_dst_addr, size_t size, KProcessAddress src_addr,
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KPageTable& src_page_table, KMemoryPermission test_perm,
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KMemoryState dst_state, bool send);
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Result CleanupForIpcServer(KProcessAddress address, size_t size, KMemoryState dst_state);
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Result CleanupForIpcClient(KProcessAddress address, size_t size, KMemoryState dst_state);
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Result LockForCodeMemory(KPageGroup* out, KProcessAddress addr, size_t size);
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Result UnlockForCodeMemory(KProcessAddress addr, size_t size, const KPageGroup& pg);
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Result MakeAndOpenPageGroup(KPageGroup* out, KProcessAddress address, size_t num_pages,
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KMemoryState state_mask, KMemoryState state,
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KMemoryPermission perm_mask, KMemoryPermission perm,
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KMemoryAttribute attr_mask, KMemoryAttribute attr);
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Common::PageTable& PageTableImpl() {
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return *m_page_table_impl;
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}
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const Common::PageTable& PageTableImpl() const {
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return *m_page_table_impl;
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}
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KBlockInfoManager* GetBlockInfoManager() {
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return m_block_info_manager;
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}
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bool CanContain(KProcessAddress addr, size_t size, KMemoryState state) const;
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Result MapPages(KProcessAddress* out_addr, size_t num_pages, size_t alignment,
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KPhysicalAddress phys_addr, KProcessAddress region_start,
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size_t region_num_pages, KMemoryState state, KMemoryPermission perm) {
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R_RETURN(this->MapPages(out_addr, num_pages, alignment, phys_addr, true, region_start,
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region_num_pages, state, perm));
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}
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Result MapPages(KProcessAddress* out_addr, size_t num_pages, size_t alignment,
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KPhysicalAddress phys_addr, KMemoryState state, KMemoryPermission perm) {
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R_RETURN(this->MapPages(out_addr, num_pages, alignment, phys_addr, true,
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this->GetRegionAddress(state),
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this->GetRegionSize(state) / PageSize, state, perm));
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}
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Result MapPages(KProcessAddress* out_addr, size_t num_pages, KMemoryState state,
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KMemoryPermission perm) {
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R_RETURN(this->MapPages(out_addr, num_pages, PageSize, 0, false,
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this->GetRegionAddress(state),
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this->GetRegionSize(state) / PageSize, state, perm));
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}
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Result MapPages(KProcessAddress address, size_t num_pages, KMemoryState state,
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KMemoryPermission perm);
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Result UnmapPages(KProcessAddress address, size_t num_pages, KMemoryState state);
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Result MapPageGroup(KProcessAddress* out_addr, const KPageGroup& pg,
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KProcessAddress region_start, size_t region_num_pages, KMemoryState state,
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KMemoryPermission perm);
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Result MapPageGroup(KProcessAddress address, const KPageGroup& pg, KMemoryState state,
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KMemoryPermission perm);
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Result UnmapPageGroup(KProcessAddress address, const KPageGroup& pg, KMemoryState state);
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void RemapPageGroup(PageLinkedList* page_list, KProcessAddress address, size_t size,
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const KPageGroup& pg);
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protected:
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struct PageLinkedList {
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private:
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struct Node {
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Node* m_next;
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std::array<u8, PageSize - sizeof(Node*)> m_buffer;
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};
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public:
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constexpr PageLinkedList() = default;
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void Push(Node* n) {
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ASSERT(Common::IsAligned(reinterpret_cast<uintptr_t>(n), PageSize));
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n->m_next = m_root;
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m_root = n;
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}
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void Push(Core::Memory::Memory& memory, KVirtualAddress addr) {
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this->Push(memory.GetPointer<Node>(GetInteger(addr)));
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}
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Node* Peek() const {
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return m_root;
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}
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Node* Pop() {
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Node* const r = m_root;
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m_root = r->m_next;
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r->m_next = nullptr;
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return r;
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}
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private:
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Node* m_root{};
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};
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static_assert(std::is_trivially_destructible<PageLinkedList>::value);
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private:
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enum class OperationType : u32 {
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Map = 0,
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MapFirst = 1,
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MapGroup = 2,
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Unmap = 3,
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ChangePermissions = 4,
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ChangePermissionsAndRefresh = 5,
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Separate = 6,
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};
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static constexpr KMemoryAttribute DefaultMemoryIgnoreAttr =
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KMemoryAttribute::IpcLocked | KMemoryAttribute::DeviceShared;
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Result MapPages(KProcessAddress* out_addr, size_t num_pages, size_t alignment,
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KPhysicalAddress phys_addr, bool is_pa_valid, KProcessAddress region_start,
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size_t region_num_pages, KMemoryState state, KMemoryPermission perm);
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bool IsRegionContiguous(KProcessAddress addr, u64 size) const;
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void AddRegionToPages(KProcessAddress start, size_t num_pages, KPageGroup& page_linked_list);
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KMemoryInfo QueryInfoImpl(KProcessAddress addr);
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KProcessAddress AllocateVirtualMemory(KProcessAddress start, size_t region_num_pages,
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u64 needed_num_pages, size_t align);
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Result Operate(KProcessAddress addr, size_t num_pages, const KPageGroup& page_group,
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OperationType operation);
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Result Operate(KProcessAddress addr, size_t num_pages, KMemoryPermission perm,
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OperationType operation, KPhysicalAddress map_addr = 0);
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void FinalizeUpdate(PageLinkedList* page_list);
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KProcessAddress GetRegionAddress(KMemoryState state) const;
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size_t GetRegionSize(KMemoryState state) const;
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KProcessAddress FindFreeArea(KProcessAddress region_start, size_t region_num_pages,
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size_t num_pages, size_t alignment, size_t offset,
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size_t guard_pages);
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Result CheckMemoryStateContiguous(size_t* out_blocks_needed, KProcessAddress addr, size_t size,
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KMemoryState state_mask, KMemoryState state,
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KMemoryPermission perm_mask, KMemoryPermission perm,
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KMemoryAttribute attr_mask, KMemoryAttribute attr) const;
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Result CheckMemoryStateContiguous(KProcessAddress addr, size_t size, KMemoryState state_mask,
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KMemoryState state, KMemoryPermission perm_mask,
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KMemoryPermission perm, KMemoryAttribute attr_mask,
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KMemoryAttribute attr) const {
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R_RETURN(this->CheckMemoryStateContiguous(nullptr, addr, size, state_mask, state, perm_mask,
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perm, attr_mask, attr));
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}
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Result CheckMemoryState(const KMemoryInfo& info, KMemoryState state_mask, KMemoryState state,
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KMemoryPermission perm_mask, KMemoryPermission perm,
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KMemoryAttribute attr_mask, KMemoryAttribute attr) const;
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Result CheckMemoryState(KMemoryState* out_state, KMemoryPermission* out_perm,
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KMemoryAttribute* out_attr, size_t* out_blocks_needed,
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KProcessAddress addr, size_t size, KMemoryState state_mask,
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KMemoryState state, KMemoryPermission perm_mask, KMemoryPermission perm,
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KMemoryAttribute attr_mask, KMemoryAttribute attr,
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KMemoryAttribute ignore_attr = DefaultMemoryIgnoreAttr) const;
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Result CheckMemoryState(size_t* out_blocks_needed, KProcessAddress addr, size_t size,
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KMemoryState state_mask, KMemoryState state,
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KMemoryPermission perm_mask, KMemoryPermission perm,
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KMemoryAttribute attr_mask, KMemoryAttribute attr,
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KMemoryAttribute ignore_attr = DefaultMemoryIgnoreAttr) const {
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R_RETURN(CheckMemoryState(nullptr, nullptr, nullptr, out_blocks_needed, addr, size,
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state_mask, state, perm_mask, perm, attr_mask, attr,
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ignore_attr));
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}
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Result CheckMemoryState(KProcessAddress addr, size_t size, KMemoryState state_mask,
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KMemoryState state, KMemoryPermission perm_mask, KMemoryPermission perm,
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KMemoryAttribute attr_mask, KMemoryAttribute attr,
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KMemoryAttribute ignore_attr = DefaultMemoryIgnoreAttr) const {
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R_RETURN(this->CheckMemoryState(nullptr, addr, size, state_mask, state, perm_mask, perm,
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attr_mask, attr, ignore_attr));
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}
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Result LockMemoryAndOpen(KPageGroup* out_pg, KPhysicalAddress* out_KPhysicalAddress,
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KProcessAddress addr, size_t size, KMemoryState state_mask,
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KMemoryState state, KMemoryPermission perm_mask,
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KMemoryPermission perm, KMemoryAttribute attr_mask,
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KMemoryAttribute attr, KMemoryPermission new_perm,
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KMemoryAttribute lock_attr);
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Result UnlockMemory(KProcessAddress addr, size_t size, KMemoryState state_mask,
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KMemoryState state, KMemoryPermission perm_mask, KMemoryPermission perm,
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KMemoryAttribute attr_mask, KMemoryAttribute attr,
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KMemoryPermission new_perm, KMemoryAttribute lock_attr,
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const KPageGroup* pg);
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Result MakePageGroup(KPageGroup& pg, KProcessAddress addr, size_t num_pages);
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bool IsValidPageGroup(const KPageGroup& pg, KProcessAddress addr, size_t num_pages);
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bool IsLockedByCurrentThread() const {
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return m_general_lock.IsLockedByCurrentThread();
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}
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bool IsHeapPhysicalAddress(const KMemoryLayout& layout, KPhysicalAddress phys_addr) {
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ASSERT(this->IsLockedByCurrentThread());
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return layout.IsHeapPhysicalAddress(m_cached_physical_heap_region, phys_addr);
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}
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bool GetPhysicalAddressLocked(KPhysicalAddress* out, KProcessAddress virt_addr) const {
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ASSERT(this->IsLockedByCurrentThread());
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*out = GetPhysicalAddr(virt_addr);
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return *out != 0;
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}
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Result SetupForIpcClient(PageLinkedList* page_list, size_t* out_blocks_needed,
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KProcessAddress address, size_t size, KMemoryPermission test_perm,
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KMemoryState dst_state);
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Result SetupForIpcServer(KProcessAddress* out_addr, size_t size, KProcessAddress src_addr,
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KMemoryPermission test_perm, KMemoryState dst_state,
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KPageTable& src_page_table, bool send);
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void CleanupForIpcClientOnServerSetupFailure(PageLinkedList* page_list, KProcessAddress address,
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size_t size, KMemoryPermission prot_perm);
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Result AllocateAndMapPagesImpl(PageLinkedList* page_list, KProcessAddress address,
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size_t num_pages, KMemoryPermission perm);
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Result MapPageGroupImpl(PageLinkedList* page_list, KProcessAddress address,
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const KPageGroup& pg, const KPageProperties properties, bool reuse_ll);
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mutable KLightLock m_general_lock;
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mutable KLightLock m_map_physical_memory_lock;
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public:
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constexpr KProcessAddress GetAddressSpaceStart() const {
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return m_address_space_start;
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}
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constexpr KProcessAddress GetAddressSpaceEnd() const {
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return m_address_space_end;
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}
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constexpr size_t GetAddressSpaceSize() const {
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return m_address_space_end - m_address_space_start;
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}
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constexpr KProcessAddress GetHeapRegionStart() const {
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return m_heap_region_start;
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}
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constexpr KProcessAddress GetHeapRegionEnd() const {
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return m_heap_region_end;
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}
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constexpr size_t GetHeapRegionSize() const {
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return m_heap_region_end - m_heap_region_start;
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}
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constexpr KProcessAddress GetAliasRegionStart() const {
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return m_alias_region_start;
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}
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constexpr KProcessAddress GetAliasRegionEnd() const {
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return m_alias_region_end;
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}
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constexpr size_t GetAliasRegionSize() const {
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return m_alias_region_end - m_alias_region_start;
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}
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constexpr KProcessAddress GetStackRegionStart() const {
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return m_stack_region_start;
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}
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constexpr KProcessAddress GetStackRegionEnd() const {
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return m_stack_region_end;
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}
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constexpr size_t GetStackRegionSize() const {
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return m_stack_region_end - m_stack_region_start;
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}
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constexpr KProcessAddress GetKernelMapRegionStart() const {
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return m_kernel_map_region_start;
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}
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constexpr KProcessAddress GetKernelMapRegionEnd() const {
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return m_kernel_map_region_end;
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}
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constexpr KProcessAddress GetCodeRegionStart() const {
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return m_code_region_start;
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}
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constexpr KProcessAddress GetCodeRegionEnd() const {
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return m_code_region_end;
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}
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constexpr KProcessAddress GetAliasCodeRegionStart() const {
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return m_alias_code_region_start;
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}
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constexpr KProcessAddress GetAliasCodeRegionEnd() const {
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return m_alias_code_region_end;
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}
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constexpr size_t GetAliasCodeRegionSize() const {
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return m_alias_code_region_end - m_alias_code_region_start;
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}
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size_t GetNormalMemorySize() {
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KScopedLightLock lk(m_general_lock);
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return GetHeapSize() + m_mapped_physical_memory_size;
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}
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constexpr size_t GetAddressSpaceWidth() const {
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return m_address_space_width;
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}
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constexpr size_t GetHeapSize() const {
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return m_current_heap_end - m_heap_region_start;
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}
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constexpr bool IsInsideAddressSpace(KProcessAddress address, size_t size) const {
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return m_address_space_start <= address && address + size - 1 <= m_address_space_end - 1;
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}
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constexpr bool IsOutsideAliasRegion(KProcessAddress address, size_t size) const {
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return m_alias_region_start > address || address + size - 1 > m_alias_region_end - 1;
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}
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constexpr bool IsOutsideStackRegion(KProcessAddress address, size_t size) const {
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return m_stack_region_start > address || address + size - 1 > m_stack_region_end - 1;
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}
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constexpr bool IsInvalidRegion(KProcessAddress address, size_t size) const {
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return address + size - 1 > GetAliasCodeRegionStart() + GetAliasCodeRegionSize() - 1;
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}
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constexpr bool IsInsideHeapRegion(KProcessAddress address, size_t size) const {
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return address + size > m_heap_region_start && m_heap_region_end > address;
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}
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constexpr bool IsInsideAliasRegion(KProcessAddress address, size_t size) const {
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return address + size > m_alias_region_start && m_alias_region_end > address;
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}
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constexpr bool IsOutsideASLRRegion(KProcessAddress address, size_t size) const {
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if (IsInvalidRegion(address, size)) {
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return true;
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}
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if (IsInsideHeapRegion(address, size)) {
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return true;
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}
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if (IsInsideAliasRegion(address, size)) {
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return true;
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}
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return {};
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}
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constexpr bool IsInsideASLRRegion(KProcessAddress address, size_t size) const {
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return !IsOutsideASLRRegion(address, size);
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}
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constexpr size_t GetNumGuardPages() const {
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return IsKernel() ? 1 : 4;
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}
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KPhysicalAddress GetPhysicalAddr(KProcessAddress addr) const {
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const auto backing_addr = m_page_table_impl->backing_addr[addr >> PageBits];
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ASSERT(backing_addr);
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return backing_addr + GetInteger(addr);
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}
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constexpr bool Contains(KProcessAddress addr) const {
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return m_address_space_start <= addr && addr <= m_address_space_end - 1;
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}
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constexpr bool Contains(KProcessAddress addr, size_t size) const {
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return m_address_space_start <= addr && addr < addr + size &&
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addr + size - 1 <= m_address_space_end - 1;
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}
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public:
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static KVirtualAddress GetLinearMappedVirtualAddress(const KMemoryLayout& layout,
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KPhysicalAddress addr) {
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return layout.GetLinearVirtualAddress(addr);
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}
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static KPhysicalAddress GetLinearMappedPhysicalAddress(const KMemoryLayout& layout,
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KVirtualAddress addr) {
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return layout.GetLinearPhysicalAddress(addr);
|
|
}
|
|
|
|
static KVirtualAddress GetHeapVirtualAddress(const KMemoryLayout& layout,
|
|
KPhysicalAddress addr) {
|
|
return GetLinearMappedVirtualAddress(layout, addr);
|
|
}
|
|
|
|
static KPhysicalAddress GetHeapPhysicalAddress(const KMemoryLayout& layout,
|
|
KVirtualAddress addr) {
|
|
return GetLinearMappedPhysicalAddress(layout, addr);
|
|
}
|
|
|
|
static KVirtualAddress GetPageTableVirtualAddress(const KMemoryLayout& layout,
|
|
KPhysicalAddress addr) {
|
|
return GetLinearMappedVirtualAddress(layout, addr);
|
|
}
|
|
|
|
static KPhysicalAddress GetPageTablePhysicalAddress(const KMemoryLayout& layout,
|
|
KVirtualAddress addr) {
|
|
return GetLinearMappedPhysicalAddress(layout, addr);
|
|
}
|
|
|
|
private:
|
|
constexpr bool IsKernel() const {
|
|
return m_is_kernel;
|
|
}
|
|
constexpr bool IsAslrEnabled() const {
|
|
return m_enable_aslr;
|
|
}
|
|
|
|
constexpr bool ContainsPages(KProcessAddress addr, size_t num_pages) const {
|
|
return (m_address_space_start <= addr) &&
|
|
(num_pages <= (m_address_space_end - m_address_space_start) / PageSize) &&
|
|
(addr + num_pages * PageSize - 1 <= m_address_space_end - 1);
|
|
}
|
|
|
|
private:
|
|
class KScopedPageTableUpdater {
|
|
private:
|
|
KPageTable* m_pt{};
|
|
PageLinkedList m_ll;
|
|
|
|
public:
|
|
explicit KScopedPageTableUpdater(KPageTable* pt) : m_pt(pt) {}
|
|
explicit KScopedPageTableUpdater(KPageTable& pt) : KScopedPageTableUpdater(&pt) {}
|
|
~KScopedPageTableUpdater() {
|
|
m_pt->FinalizeUpdate(this->GetPageList());
|
|
}
|
|
|
|
PageLinkedList* GetPageList() {
|
|
return std::addressof(m_ll);
|
|
}
|
|
};
|
|
|
|
private:
|
|
KProcessAddress m_address_space_start{};
|
|
KProcessAddress m_address_space_end{};
|
|
KProcessAddress m_heap_region_start{};
|
|
KProcessAddress m_heap_region_end{};
|
|
KProcessAddress m_current_heap_end{};
|
|
KProcessAddress m_alias_region_start{};
|
|
KProcessAddress m_alias_region_end{};
|
|
KProcessAddress m_stack_region_start{};
|
|
KProcessAddress m_stack_region_end{};
|
|
KProcessAddress m_kernel_map_region_start{};
|
|
KProcessAddress m_kernel_map_region_end{};
|
|
KProcessAddress m_code_region_start{};
|
|
KProcessAddress m_code_region_end{};
|
|
KProcessAddress m_alias_code_region_start{};
|
|
KProcessAddress m_alias_code_region_end{};
|
|
|
|
size_t m_max_heap_size{};
|
|
size_t m_mapped_physical_memory_size{};
|
|
size_t m_mapped_unsafe_physical_memory{};
|
|
size_t m_mapped_insecure_memory{};
|
|
size_t m_mapped_ipc_server_memory{};
|
|
size_t m_address_space_width{};
|
|
|
|
KMemoryBlockManager m_memory_block_manager;
|
|
u32 m_allocate_option{};
|
|
|
|
bool m_is_kernel{};
|
|
bool m_enable_aslr{};
|
|
bool m_enable_device_address_space_merge{};
|
|
|
|
KMemoryBlockSlabManager* m_memory_block_slab_manager{};
|
|
KBlockInfoManager* m_block_info_manager{};
|
|
KResourceLimit* m_resource_limit{};
|
|
|
|
u32 m_heap_fill_value{};
|
|
u32 m_ipc_fill_value{};
|
|
u32 m_stack_fill_value{};
|
|
const KMemoryRegion* m_cached_physical_heap_region{};
|
|
|
|
KMemoryManager::Pool m_memory_pool{KMemoryManager::Pool::Application};
|
|
KMemoryManager::Direction m_allocation_option{KMemoryManager::Direction::FromFront};
|
|
|
|
std::unique_ptr<Common::PageTable> m_page_table_impl;
|
|
|
|
Core::System& m_system;
|
|
KernelCore& m_kernel;
|
|
Core::Memory::Memory* m_memory{};
|
|
};
|
|
|
|
} // namespace Kernel
|