bunnei
GitHub
commit
60419dd35e
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@ -226,6 +226,7 @@ add_library(core STATIC
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hle/kernel/k_page_buffer.h
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hle/kernel/k_page_heap.cpp
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hle/kernel/k_page_heap.h
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hle/kernel/k_page_group.cpp
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hle/kernel/k_page_group.h
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hle/kernel/k_page_table.cpp
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hle/kernel/k_page_table.h
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@ -27,13 +27,13 @@ Result KCodeMemory::Initialize(Core::DeviceMemory& device_memory, VAddr addr, si
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auto& page_table = m_owner->PageTable();
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// Construct the page group.
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m_page_group = {};
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m_page_group.emplace(kernel, page_table.GetBlockInfoManager());
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// Lock the memory.
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R_TRY(page_table.LockForCodeMemory(&m_page_group, addr, size))
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R_TRY(page_table.LockForCodeMemory(std::addressof(*m_page_group), addr, size))
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// Clear the memory.
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for (const auto& block : m_page_group.Nodes()) {
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for (const auto& block : *m_page_group) {
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std::memset(device_memory.GetPointer<void>(block.GetAddress()), 0xFF, block.GetSize());
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}
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@ -51,12 +51,13 @@ Result KCodeMemory::Initialize(Core::DeviceMemory& device_memory, VAddr addr, si
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void KCodeMemory::Finalize() {
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// Unlock.
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if (!m_is_mapped && !m_is_owner_mapped) {
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const size_t size = m_page_group.GetNumPages() * PageSize;
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m_owner->PageTable().UnlockForCodeMemory(m_address, size, m_page_group);
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const size_t size = m_page_group->GetNumPages() * PageSize;
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m_owner->PageTable().UnlockForCodeMemory(m_address, size, *m_page_group);
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}
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// Close the page group.
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m_page_group = {};
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m_page_group->Close();
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m_page_group->Finalize();
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// Close our reference to our owner.
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m_owner->Close();
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@ -64,7 +65,7 @@ void KCodeMemory::Finalize() {
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Result KCodeMemory::Map(VAddr address, size_t size) {
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// Validate the size.
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R_UNLESS(m_page_group.GetNumPages() == Common::DivideUp(size, PageSize), ResultInvalidSize);
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R_UNLESS(m_page_group->GetNumPages() == Common::DivideUp(size, PageSize), ResultInvalidSize);
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// Lock ourselves.
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KScopedLightLock lk(m_lock);
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@ -74,7 +75,7 @@ Result KCodeMemory::Map(VAddr address, size_t size) {
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// Map the memory.
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R_TRY(kernel.CurrentProcess()->PageTable().MapPages(
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address, m_page_group, KMemoryState::CodeOut, KMemoryPermission::UserReadWrite));
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address, *m_page_group, KMemoryState::CodeOut, KMemoryPermission::UserReadWrite));
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// Mark ourselves as mapped.
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m_is_mapped = true;
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@ -84,13 +85,13 @@ Result KCodeMemory::Map(VAddr address, size_t size) {
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Result KCodeMemory::Unmap(VAddr address, size_t size) {
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// Validate the size.
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R_UNLESS(m_page_group.GetNumPages() == Common::DivideUp(size, PageSize), ResultInvalidSize);
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R_UNLESS(m_page_group->GetNumPages() == Common::DivideUp(size, PageSize), ResultInvalidSize);
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// Lock ourselves.
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KScopedLightLock lk(m_lock);
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// Unmap the memory.
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R_TRY(kernel.CurrentProcess()->PageTable().UnmapPages(address, m_page_group,
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R_TRY(kernel.CurrentProcess()->PageTable().UnmapPages(address, *m_page_group,
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KMemoryState::CodeOut));
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// Mark ourselves as unmapped.
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@ -101,7 +102,7 @@ Result KCodeMemory::Unmap(VAddr address, size_t size) {
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Result KCodeMemory::MapToOwner(VAddr address, size_t size, Svc::MemoryPermission perm) {
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// Validate the size.
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R_UNLESS(m_page_group.GetNumPages() == Common::DivideUp(size, PageSize), ResultInvalidSize);
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R_UNLESS(m_page_group->GetNumPages() == Common::DivideUp(size, PageSize), ResultInvalidSize);
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// Lock ourselves.
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KScopedLightLock lk(m_lock);
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@ -125,7 +126,7 @@ Result KCodeMemory::MapToOwner(VAddr address, size_t size, Svc::MemoryPermission
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// Map the memory.
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R_TRY(
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m_owner->PageTable().MapPages(address, m_page_group, KMemoryState::GeneratedCode, k_perm));
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m_owner->PageTable().MapPages(address, *m_page_group, KMemoryState::GeneratedCode, k_perm));
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// Mark ourselves as mapped.
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m_is_owner_mapped = true;
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@ -135,13 +136,13 @@ Result KCodeMemory::MapToOwner(VAddr address, size_t size, Svc::MemoryPermission
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Result KCodeMemory::UnmapFromOwner(VAddr address, size_t size) {
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// Validate the size.
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R_UNLESS(m_page_group.GetNumPages() == Common::DivideUp(size, PageSize), ResultInvalidSize);
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R_UNLESS(m_page_group->GetNumPages() == Common::DivideUp(size, PageSize), ResultInvalidSize);
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// Lock ourselves.
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KScopedLightLock lk(m_lock);
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// Unmap the memory.
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R_TRY(m_owner->PageTable().UnmapPages(address, m_page_group, KMemoryState::GeneratedCode));
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R_TRY(m_owner->PageTable().UnmapPages(address, *m_page_group, KMemoryState::GeneratedCode));
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// Mark ourselves as unmapped.
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m_is_owner_mapped = false;
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@ -3,6 +3,8 @@
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#pragma once
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#include <optional>
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#include "common/common_types.h"
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#include "core/device_memory.h"
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#include "core/hle/kernel/k_auto_object.h"
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@ -49,11 +51,11 @@ public:
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return m_address;
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}
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size_t GetSize() const {
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return m_is_initialized ? m_page_group.GetNumPages() * PageSize : 0;
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return m_is_initialized ? m_page_group->GetNumPages() * PageSize : 0;
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}
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private:
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KPageGroup m_page_group{};
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std::optional<KPageGroup> m_page_group{};
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KProcess* m_owner{};
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VAddr m_address{};
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KLightLock m_lock;
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@ -223,7 +223,7 @@ Result KMemoryManager::AllocatePageGroupImpl(KPageGroup* out, size_t num_pages,
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// Ensure that we don't leave anything un-freed.
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ON_RESULT_FAILURE {
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for (const auto& it : out->Nodes()) {
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for (const auto& it : *out) {
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auto& manager = this->GetManager(it.GetAddress());
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const size_t node_num_pages = std::min<u64>(
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it.GetNumPages(), (manager.GetEndAddress() - it.GetAddress()) / PageSize);
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@ -285,7 +285,7 @@ Result KMemoryManager::AllocateAndOpen(KPageGroup* out, size_t num_pages, u32 op
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m_has_optimized_process[static_cast<size_t>(pool)], true));
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// Open the first reference to the pages.
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for (const auto& block : out->Nodes()) {
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for (const auto& block : *out) {
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PAddr cur_address = block.GetAddress();
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size_t remaining_pages = block.GetNumPages();
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while (remaining_pages > 0) {
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@ -335,7 +335,7 @@ Result KMemoryManager::AllocateForProcess(KPageGroup* out, size_t num_pages, u32
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// Perform optimized memory tracking, if we should.
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if (optimized) {
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// Iterate over the allocated blocks.
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for (const auto& block : out->Nodes()) {
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for (const auto& block : *out) {
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// Get the block extents.
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const PAddr block_address = block.GetAddress();
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const size_t block_pages = block.GetNumPages();
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@ -391,7 +391,7 @@ Result KMemoryManager::AllocateForProcess(KPageGroup* out, size_t num_pages, u32
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}
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} else {
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// Set all the allocated memory.
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for (const auto& block : out->Nodes()) {
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for (const auto& block : *out) {
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std::memset(m_system.DeviceMemory().GetPointer<void>(block.GetAddress()), fill_pattern,
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block.GetSize());
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}
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@ -0,0 +1,121 @@
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// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#include "core/hle/kernel/k_dynamic_resource_manager.h"
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#include "core/hle/kernel/k_memory_manager.h"
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#include "core/hle/kernel/k_page_group.h"
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#include "core/hle/kernel/kernel.h"
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#include "core/hle/kernel/svc_results.h"
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namespace Kernel {
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void KPageGroup::Finalize() {
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KBlockInfo* cur = m_first_block;
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while (cur != nullptr) {
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KBlockInfo* next = cur->GetNext();
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m_manager->Free(cur);
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cur = next;
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}
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m_first_block = nullptr;
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m_last_block = nullptr;
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}
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void KPageGroup::CloseAndReset() {
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auto& mm = m_kernel.MemoryManager();
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KBlockInfo* cur = m_first_block;
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while (cur != nullptr) {
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KBlockInfo* next = cur->GetNext();
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mm.Close(cur->GetAddress(), cur->GetNumPages());
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m_manager->Free(cur);
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cur = next;
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}
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m_first_block = nullptr;
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m_last_block = nullptr;
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}
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size_t KPageGroup::GetNumPages() const {
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size_t num_pages = 0;
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for (const auto& it : *this) {
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num_pages += it.GetNumPages();
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}
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return num_pages;
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}
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Result KPageGroup::AddBlock(KPhysicalAddress addr, size_t num_pages) {
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// Succeed immediately if we're adding no pages.
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R_SUCCEED_IF(num_pages == 0);
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// Check for overflow.
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ASSERT(addr < addr + num_pages * PageSize);
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// Try to just append to the last block.
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if (m_last_block != nullptr) {
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R_SUCCEED_IF(m_last_block->TryConcatenate(addr, num_pages));
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}
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// Allocate a new block.
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KBlockInfo* new_block = m_manager->Allocate();
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R_UNLESS(new_block != nullptr, ResultOutOfResource);
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// Initialize the block.
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new_block->Initialize(addr, num_pages);
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// Add the block to our list.
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if (m_last_block != nullptr) {
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m_last_block->SetNext(new_block);
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} else {
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m_first_block = new_block;
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}
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m_last_block = new_block;
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R_SUCCEED();
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}
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void KPageGroup::Open() const {
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auto& mm = m_kernel.MemoryManager();
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for (const auto& it : *this) {
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mm.Open(it.GetAddress(), it.GetNumPages());
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}
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}
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void KPageGroup::OpenFirst() const {
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auto& mm = m_kernel.MemoryManager();
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for (const auto& it : *this) {
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mm.OpenFirst(it.GetAddress(), it.GetNumPages());
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}
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}
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void KPageGroup::Close() const {
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auto& mm = m_kernel.MemoryManager();
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for (const auto& it : *this) {
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mm.Close(it.GetAddress(), it.GetNumPages());
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}
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}
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bool KPageGroup::IsEquivalentTo(const KPageGroup& rhs) const {
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auto lit = this->begin();
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auto rit = rhs.begin();
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auto lend = this->end();
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auto rend = rhs.end();
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while (lit != lend && rit != rend) {
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if (*lit != *rit) {
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return false;
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}
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++lit;
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++rit;
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}
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return lit == lend && rit == rend;
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}
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} // namespace Kernel
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@ -1,4 +1,4 @@
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// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
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// SPDX-FileCopyrightText: Copyright 2022 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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@ -13,24 +13,23 @@
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namespace Kernel {
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class KBlockInfoManager;
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class KernelCore;
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class KPageGroup;
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class KBlockInfo {
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private:
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friend class KPageGroup;
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public:
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constexpr KBlockInfo() = default;
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constexpr explicit KBlockInfo() : m_next(nullptr) {}
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constexpr void Initialize(PAddr addr, size_t np) {
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constexpr void Initialize(KPhysicalAddress addr, size_t np) {
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ASSERT(Common::IsAligned(addr, PageSize));
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ASSERT(static_cast<u32>(np) == np);
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m_page_index = static_cast<u32>(addr) / PageSize;
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m_page_index = static_cast<u32>(addr / PageSize);
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m_num_pages = static_cast<u32>(np);
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}
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constexpr PAddr GetAddress() const {
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constexpr KPhysicalAddress GetAddress() const {
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return m_page_index * PageSize;
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}
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constexpr size_t GetNumPages() const {
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@ -39,10 +38,10 @@ public:
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constexpr size_t GetSize() const {
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return this->GetNumPages() * PageSize;
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}
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constexpr PAddr GetEndAddress() const {
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constexpr KPhysicalAddress GetEndAddress() const {
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return (m_page_index + m_num_pages) * PageSize;
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}
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constexpr PAddr GetLastAddress() const {
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constexpr KPhysicalAddress GetLastAddress() const {
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return this->GetEndAddress() - 1;
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}
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@ -62,8 +61,8 @@ public:
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return !(*this == rhs);
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}
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constexpr bool IsStrictlyBefore(PAddr addr) const {
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const PAddr end = this->GetEndAddress();
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constexpr bool IsStrictlyBefore(KPhysicalAddress addr) const {
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const KPhysicalAddress end = this->GetEndAddress();
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if (m_page_index != 0 && end == 0) {
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return false;
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@ -72,11 +71,11 @@ public:
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return end < addr;
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}
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constexpr bool operator<(PAddr addr) const {
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constexpr bool operator<(KPhysicalAddress addr) const {
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return this->IsStrictlyBefore(addr);
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}
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constexpr bool TryConcatenate(PAddr addr, size_t np) {
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constexpr bool TryConcatenate(KPhysicalAddress addr, size_t np) {
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if (addr != 0 && addr == this->GetEndAddress()) {
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m_num_pages += static_cast<u32>(np);
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return true;
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@ -90,96 +89,118 @@ private:
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}
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private:
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friend class KPageGroup;
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KBlockInfo* m_next{};
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u32 m_page_index{};
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u32 m_num_pages{};
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};
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static_assert(sizeof(KBlockInfo) <= 0x10);
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class KPageGroup final {
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class KPageGroup {
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public:
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class Node final {
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class Iterator {
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public:
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constexpr Node(u64 addr_, std::size_t num_pages_) : addr{addr_}, num_pages{num_pages_} {}
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using iterator_category = std::forward_iterator_tag;
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using value_type = const KBlockInfo;
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using difference_type = std::ptrdiff_t;
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using pointer = value_type*;
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using reference = value_type&;
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constexpr u64 GetAddress() const {
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return addr;
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constexpr explicit Iterator(pointer n) : m_node(n) {}
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constexpr bool operator==(const Iterator& rhs) const {
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return m_node == rhs.m_node;
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}
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constexpr bool operator!=(const Iterator& rhs) const {
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return !(*this == rhs);
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}
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constexpr std::size_t GetNumPages() const {
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return num_pages;
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constexpr pointer operator->() const {
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return m_node;
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}
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constexpr reference operator*() const {
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return *m_node;
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}
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constexpr std::size_t GetSize() const {
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return GetNumPages() * PageSize;
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constexpr Iterator& operator++() {
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m_node = m_node->GetNext();
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return *this;
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}
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constexpr Iterator operator++(int) {
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const Iterator it{*this};
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++(*this);
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return it;
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}
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private:
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u64 addr{};
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std::size_t num_pages{};
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pointer m_node{};
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};
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public:
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KPageGroup() = default;
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KPageGroup(u64 address, u64 num_pages) {
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ASSERT(AddBlock(address, num_pages).IsSuccess());
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explicit KPageGroup(KernelCore& kernel, KBlockInfoManager* m)
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: m_kernel{kernel}, m_manager{m} {}
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~KPageGroup() {
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this->Finalize();
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}
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constexpr std::list<Node>& Nodes() {
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return nodes;
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void CloseAndReset();
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void Finalize();
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Iterator begin() const {
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return Iterator{m_first_block};
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}
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Iterator end() const {
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return Iterator{nullptr};
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}
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bool empty() const {
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return m_first_block == nullptr;
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}
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constexpr const std::list<Node>& Nodes() const {
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return nodes;
|
||||
Result AddBlock(KPhysicalAddress addr, size_t num_pages);
|
||||
void Open() const;
|
||||
void OpenFirst() const;
|
||||
void Close() const;
|
||||
|
||||
size_t GetNumPages() const;
|
||||
|
||||
bool IsEquivalentTo(const KPageGroup& rhs) const;
|
||||
|
||||
bool operator==(const KPageGroup& rhs) const {
|
||||
return this->IsEquivalentTo(rhs);
|
||||
}
|
||||
|
||||
std::size_t GetNumPages() const {
|
||||
std::size_t num_pages = 0;
|
||||
for (const Node& node : nodes) {
|
||||
num_pages += node.GetNumPages();
|
||||
bool operator!=(const KPageGroup& rhs) const {
|
||||
return !(*this == rhs);
|
||||
}
|
||||
return num_pages;
|
||||
}
|
||||
|
||||
bool IsEqual(KPageGroup& other) const {
|
||||
auto this_node = nodes.begin();
|
||||
auto other_node = other.nodes.begin();
|
||||
while (this_node != nodes.end() && other_node != other.nodes.end()) {
|
||||
if (this_node->GetAddress() != other_node->GetAddress() ||
|
||||
this_node->GetNumPages() != other_node->GetNumPages()) {
|
||||
return false;
|
||||
}
|
||||
this_node = std::next(this_node);
|
||||
other_node = std::next(other_node);
|
||||
}
|
||||
|
||||
return this_node == nodes.end() && other_node == other.nodes.end();
|
||||
}
|
||||
|
||||
Result AddBlock(u64 address, u64 num_pages) {
|
||||
if (!num_pages) {
|
||||
return ResultSuccess;
|
||||
}
|
||||
if (!nodes.empty()) {
|
||||
const auto node = nodes.back();
|
||||
if (node.GetAddress() + node.GetNumPages() * PageSize == address) {
|
||||
address = node.GetAddress();
|
||||
num_pages += node.GetNumPages();
|
||||
nodes.pop_back();
|
||||
}
|
||||
}
|
||||
nodes.push_back({address, num_pages});
|
||||
return ResultSuccess;
|
||||
}
|
||||
|
||||
bool Empty() const {
|
||||
return nodes.empty();
|
||||
}
|
||||
|
||||
void Finalize() {}
|
||||
|
||||
private:
|
||||
std::list<Node> nodes;
|
||||
KernelCore& m_kernel;
|
||||
KBlockInfo* m_first_block{};
|
||||
KBlockInfo* m_last_block{};
|
||||
KBlockInfoManager* m_manager{};
|
||||
};
|
||||
|
||||
class KScopedPageGroup {
|
||||
public:
|
||||
explicit KScopedPageGroup(const KPageGroup* gp) : m_pg(gp) {
|
||||
if (m_pg) {
|
||||
m_pg->Open();
|
||||
}
|
||||
}
|
||||
explicit KScopedPageGroup(const KPageGroup& gp) : KScopedPageGroup(std::addressof(gp)) {}
|
||||
~KScopedPageGroup() {
|
||||
if (m_pg) {
|
||||
m_pg->Close();
|
||||
}
|
||||
}
|
||||
|
||||
void CancelClose() {
|
||||
m_pg = nullptr;
|
||||
}
|
||||
|
||||
private:
|
||||
const KPageGroup* m_pg{};
|
||||
};
|
||||
|
||||
} // namespace Kernel
|
||||
|
|
|
|||
|
|
@ -100,7 +100,7 @@ constexpr size_t GetAddressSpaceWidthFromType(FileSys::ProgramAddressSpaceType a
|
|||
|
||||
KPageTable::KPageTable(Core::System& system_)
|
||||
: m_general_lock{system_.Kernel()},
|
||||
m_map_physical_memory_lock{system_.Kernel()}, m_system{system_} {}
|
||||
m_map_physical_memory_lock{system_.Kernel()}, m_system{system_}, m_kernel{system_.Kernel()} {}
|
||||
|
||||
KPageTable::~KPageTable() = default;
|
||||
|
||||
|
|
@ -373,7 +373,7 @@ Result KPageTable::MapProcessCode(VAddr addr, size_t num_pages, KMemoryState sta
|
|||
m_memory_block_slab_manager);
|
||||
|
||||
// Allocate and open.
|
||||
KPageGroup pg;
|
||||
KPageGroup pg{m_kernel, m_block_info_manager};
|
||||
R_TRY(m_system.Kernel().MemoryManager().AllocateAndOpen(
|
||||
&pg, num_pages,
|
||||
KMemoryManager::EncodeOption(KMemoryManager::Pool::Application, m_allocation_option)));
|
||||
|
|
@ -432,7 +432,7 @@ Result KPageTable::MapCodeMemory(VAddr dst_address, VAddr src_address, size_t si
|
|||
const size_t num_pages = size / PageSize;
|
||||
|
||||
// Create page groups for the memory being mapped.
|
||||
KPageGroup pg;
|
||||
KPageGroup pg{m_kernel, m_block_info_manager};
|
||||
AddRegionToPages(src_address, num_pages, pg);
|
||||
|
||||
// Reprotect the source as kernel-read/not mapped.
|
||||
|
|
@ -593,7 +593,7 @@ Result KPageTable::MakePageGroup(KPageGroup& pg, VAddr addr, size_t num_pages) {
|
|||
const size_t size = num_pages * PageSize;
|
||||
|
||||
// We're making a new group, not adding to an existing one.
|
||||
R_UNLESS(pg.Empty(), ResultInvalidCurrentMemory);
|
||||
R_UNLESS(pg.empty(), ResultInvalidCurrentMemory);
|
||||
|
||||
// Begin traversal.
|
||||
Common::PageTable::TraversalContext context;
|
||||
|
|
@ -640,11 +640,10 @@ Result KPageTable::MakePageGroup(KPageGroup& pg, VAddr addr, size_t num_pages) {
|
|||
R_SUCCEED();
|
||||
}
|
||||
|
||||
bool KPageTable::IsValidPageGroup(const KPageGroup& pg_ll, VAddr addr, size_t num_pages) {
|
||||
bool KPageTable::IsValidPageGroup(const KPageGroup& pg, VAddr addr, size_t num_pages) {
|
||||
ASSERT(this->IsLockedByCurrentThread());
|
||||
|
||||
const size_t size = num_pages * PageSize;
|
||||
const auto& pg = pg_ll.Nodes();
|
||||
const auto& memory_layout = m_system.Kernel().MemoryLayout();
|
||||
|
||||
// Empty groups are necessarily invalid.
|
||||
|
|
@ -942,9 +941,6 @@ Result KPageTable::SetupForIpcServer(VAddr* out_addr, size_t size, VAddr src_add
|
|||
|
||||
ON_RESULT_FAILURE {
|
||||
if (cur_mapped_addr != dst_addr) {
|
||||
// HACK: Manually close the pages.
|
||||
HACK_ClosePages(dst_addr, (cur_mapped_addr - dst_addr) / PageSize);
|
||||
|
||||
ASSERT(Operate(dst_addr, (cur_mapped_addr - dst_addr) / PageSize,
|
||||
KMemoryPermission::None, OperationType::Unmap)
|
||||
.IsSuccess());
|
||||
|
|
@ -1020,9 +1016,6 @@ Result KPageTable::SetupForIpcServer(VAddr* out_addr, size_t size, VAddr src_add
|
|||
// Map the page.
|
||||
R_TRY(Operate(cur_mapped_addr, 1, test_perm, OperationType::Map, start_partial_page));
|
||||
|
||||
// HACK: Manually open the pages.
|
||||
HACK_OpenPages(start_partial_page, 1);
|
||||
|
||||
// Update tracking extents.
|
||||
cur_mapped_addr += PageSize;
|
||||
cur_block_addr += PageSize;
|
||||
|
|
@ -1051,9 +1044,6 @@ Result KPageTable::SetupForIpcServer(VAddr* out_addr, size_t size, VAddr src_add
|
|||
R_TRY(Operate(cur_mapped_addr, cur_block_size / PageSize, test_perm, OperationType::Map,
|
||||
cur_block_addr));
|
||||
|
||||
// HACK: Manually open the pages.
|
||||
HACK_OpenPages(cur_block_addr, cur_block_size / PageSize);
|
||||
|
||||
// Update tracking extents.
|
||||
cur_mapped_addr += cur_block_size;
|
||||
cur_block_addr = next_entry.phys_addr;
|
||||
|
|
@ -1073,9 +1063,6 @@ Result KPageTable::SetupForIpcServer(VAddr* out_addr, size_t size, VAddr src_add
|
|||
R_TRY(Operate(cur_mapped_addr, last_block_size / PageSize, test_perm, OperationType::Map,
|
||||
cur_block_addr));
|
||||
|
||||
// HACK: Manually open the pages.
|
||||
HACK_OpenPages(cur_block_addr, last_block_size / PageSize);
|
||||
|
||||
// Update tracking extents.
|
||||
cur_mapped_addr += last_block_size;
|
||||
cur_block_addr += last_block_size;
|
||||
|
|
@ -1107,9 +1094,6 @@ Result KPageTable::SetupForIpcServer(VAddr* out_addr, size_t size, VAddr src_add
|
|||
|
||||
// Map the page.
|
||||
R_TRY(Operate(cur_mapped_addr, 1, test_perm, OperationType::Map, end_partial_page));
|
||||
|
||||
// HACK: Manually open the pages.
|
||||
HACK_OpenPages(end_partial_page, 1);
|
||||
}
|
||||
|
||||
// Update memory blocks to reflect our changes
|
||||
|
|
@ -1211,9 +1195,6 @@ Result KPageTable::CleanupForIpcServer(VAddr address, size_t size, KMemoryState
|
|||
const size_t aligned_size = aligned_end - aligned_start;
|
||||
const size_t aligned_num_pages = aligned_size / PageSize;
|
||||
|
||||
// HACK: Manually close the pages.
|
||||
HACK_ClosePages(aligned_start, aligned_num_pages);
|
||||
|
||||
// Unmap the pages.
|
||||
R_TRY(Operate(aligned_start, aligned_num_pages, KMemoryPermission::None, OperationType::Unmap));
|
||||
|
||||
|
|
@ -1501,17 +1482,6 @@ void KPageTable::CleanupForIpcClientOnServerSetupFailure([[maybe_unused]] PageLi
|
|||
}
|
||||
}
|
||||
|
||||
void KPageTable::HACK_OpenPages(PAddr phys_addr, size_t num_pages) {
|
||||
m_system.Kernel().MemoryManager().OpenFirst(phys_addr, num_pages);
|
||||
}
|
||||
|
||||
void KPageTable::HACK_ClosePages(VAddr virt_addr, size_t num_pages) {
|
||||
for (size_t index = 0; index < num_pages; ++index) {
|
||||
const auto paddr = GetPhysicalAddr(virt_addr + (index * PageSize));
|
||||
m_system.Kernel().MemoryManager().Close(paddr, 1);
|
||||
}
|
||||
}
|
||||
|
||||
Result KPageTable::MapPhysicalMemory(VAddr address, size_t size) {
|
||||
// Lock the physical memory lock.
|
||||
KScopedLightLock phys_lk(m_map_physical_memory_lock);
|
||||
|
|
@ -1572,7 +1542,7 @@ Result KPageTable::MapPhysicalMemory(VAddr address, size_t size) {
|
|||
R_UNLESS(memory_reservation.Succeeded(), ResultLimitReached);
|
||||
|
||||
// Allocate pages for the new memory.
|
||||
KPageGroup pg;
|
||||
KPageGroup pg{m_kernel, m_block_info_manager};
|
||||
R_TRY(m_system.Kernel().MemoryManager().AllocateForProcess(
|
||||
&pg, (size - mapped_size) / PageSize, m_allocate_option, 0, 0));
|
||||
|
||||
|
|
@ -1650,7 +1620,7 @@ Result KPageTable::MapPhysicalMemory(VAddr address, size_t size) {
|
|||
KScopedPageTableUpdater updater(this);
|
||||
|
||||
// Prepare to iterate over the memory.
|
||||
auto pg_it = pg.Nodes().begin();
|
||||
auto pg_it = pg.begin();
|
||||
PAddr pg_phys_addr = pg_it->GetAddress();
|
||||
size_t pg_pages = pg_it->GetNumPages();
|
||||
|
||||
|
|
@ -1680,9 +1650,6 @@ Result KPageTable::MapPhysicalMemory(VAddr address, size_t size) {
|
|||
last_unmap_address + 1 - cur_address) /
|
||||
PageSize;
|
||||
|
||||
// HACK: Manually close the pages.
|
||||
HACK_ClosePages(cur_address, cur_pages);
|
||||
|
||||
// Unmap.
|
||||
ASSERT(Operate(cur_address, cur_pages, KMemoryPermission::None,
|
||||
OperationType::Unmap)
|
||||
|
|
@ -1703,7 +1670,7 @@ Result KPageTable::MapPhysicalMemory(VAddr address, size_t size) {
|
|||
// Release any remaining unmapped memory.
|
||||
m_system.Kernel().MemoryManager().OpenFirst(pg_phys_addr, pg_pages);
|
||||
m_system.Kernel().MemoryManager().Close(pg_phys_addr, pg_pages);
|
||||
for (++pg_it; pg_it != pg.Nodes().end(); ++pg_it) {
|
||||
for (++pg_it; pg_it != pg.end(); ++pg_it) {
|
||||
m_system.Kernel().MemoryManager().OpenFirst(pg_it->GetAddress(),
|
||||
pg_it->GetNumPages());
|
||||
m_system.Kernel().MemoryManager().Close(pg_it->GetAddress(),
|
||||
|
|
@ -1731,7 +1698,7 @@ Result KPageTable::MapPhysicalMemory(VAddr address, size_t size) {
|
|||
// Check if we're at the end of the physical block.
|
||||
if (pg_pages == 0) {
|
||||
// Ensure there are more pages to map.
|
||||
ASSERT(pg_it != pg.Nodes().end());
|
||||
ASSERT(pg_it != pg.end());
|
||||
|
||||
// Advance our physical block.
|
||||
++pg_it;
|
||||
|
|
@ -1742,10 +1709,7 @@ Result KPageTable::MapPhysicalMemory(VAddr address, size_t size) {
|
|||
// Map whatever we can.
|
||||
const size_t cur_pages = std::min(pg_pages, map_pages);
|
||||
R_TRY(Operate(cur_address, cur_pages, KMemoryPermission::UserReadWrite,
|
||||
OperationType::Map, pg_phys_addr));
|
||||
|
||||
// HACK: Manually open the pages.
|
||||
HACK_OpenPages(pg_phys_addr, cur_pages);
|
||||
OperationType::MapFirst, pg_phys_addr));
|
||||
|
||||
// Advance.
|
||||
cur_address += cur_pages * PageSize;
|
||||
|
|
@ -1888,9 +1852,6 @@ Result KPageTable::UnmapPhysicalMemory(VAddr address, size_t size) {
|
|||
last_address + 1 - cur_address) /
|
||||
PageSize;
|
||||
|
||||
// HACK: Manually close the pages.
|
||||
HACK_ClosePages(cur_address, cur_pages);
|
||||
|
||||
// Unmap.
|
||||
ASSERT(Operate(cur_address, cur_pages, KMemoryPermission::None, OperationType::Unmap)
|
||||
.IsSuccess());
|
||||
|
|
@ -1955,7 +1916,7 @@ Result KPageTable::MapMemory(VAddr dst_address, VAddr src_address, size_t size)
|
|||
R_TRY(dst_allocator_result);
|
||||
|
||||
// Map the memory.
|
||||
KPageGroup page_linked_list;
|
||||
KPageGroup page_linked_list{m_kernel, m_block_info_manager};
|
||||
const size_t num_pages{size / PageSize};
|
||||
const KMemoryPermission new_src_perm = static_cast<KMemoryPermission>(
|
||||
KMemoryPermission::KernelRead | KMemoryPermission::NotMapped);
|
||||
|
|
@ -2022,14 +1983,14 @@ Result KPageTable::UnmapMemory(VAddr dst_address, VAddr src_address, size_t size
|
|||
num_dst_allocator_blocks);
|
||||
R_TRY(dst_allocator_result);
|
||||
|
||||
KPageGroup src_pages;
|
||||
KPageGroup dst_pages;
|
||||
KPageGroup src_pages{m_kernel, m_block_info_manager};
|
||||
KPageGroup dst_pages{m_kernel, m_block_info_manager};
|
||||
const size_t num_pages{size / PageSize};
|
||||
|
||||
AddRegionToPages(src_address, num_pages, src_pages);
|
||||
AddRegionToPages(dst_address, num_pages, dst_pages);
|
||||
|
||||
R_UNLESS(dst_pages.IsEqual(src_pages), ResultInvalidMemoryRegion);
|
||||
R_UNLESS(dst_pages.IsEquivalentTo(src_pages), ResultInvalidMemoryRegion);
|
||||
|
||||
{
|
||||
auto block_guard = detail::ScopeExit([&] { MapPages(dst_address, dst_pages, dst_perm); });
|
||||
|
|
@ -2060,7 +2021,7 @@ Result KPageTable::MapPages(VAddr addr, const KPageGroup& page_linked_list,
|
|||
|
||||
VAddr cur_addr{addr};
|
||||
|
||||
for (const auto& node : page_linked_list.Nodes()) {
|
||||
for (const auto& node : page_linked_list) {
|
||||
if (const auto result{
|
||||
Operate(cur_addr, node.GetNumPages(), perm, OperationType::Map, node.GetAddress())};
|
||||
result.IsError()) {
|
||||
|
|
@ -2160,7 +2121,7 @@ Result KPageTable::UnmapPages(VAddr addr, const KPageGroup& page_linked_list) {
|
|||
|
||||
VAddr cur_addr{addr};
|
||||
|
||||
for (const auto& node : page_linked_list.Nodes()) {
|
||||
for (const auto& node : page_linked_list) {
|
||||
if (const auto result{Operate(cur_addr, node.GetNumPages(), KMemoryPermission::None,
|
||||
OperationType::Unmap)};
|
||||
result.IsError()) {
|
||||
|
|
@ -2527,13 +2488,13 @@ Result KPageTable::SetHeapSize(VAddr* out, size_t size) {
|
|||
R_UNLESS(memory_reservation.Succeeded(), ResultLimitReached);
|
||||
|
||||
// Allocate pages for the heap extension.
|
||||
KPageGroup pg;
|
||||
KPageGroup pg{m_kernel, m_block_info_manager};
|
||||
R_TRY(m_system.Kernel().MemoryManager().AllocateAndOpen(
|
||||
&pg, allocation_size / PageSize,
|
||||
KMemoryManager::EncodeOption(m_memory_pool, m_allocation_option)));
|
||||
|
||||
// Clear all the newly allocated pages.
|
||||
for (const auto& it : pg.Nodes()) {
|
||||
for (const auto& it : pg) {
|
||||
std::memset(m_system.DeviceMemory().GetPointer<void>(it.GetAddress()), m_heap_fill_value,
|
||||
it.GetSize());
|
||||
}
|
||||
|
|
@ -2610,11 +2571,23 @@ ResultVal<VAddr> KPageTable::AllocateAndMapMemory(size_t needed_num_pages, size_
|
|||
if (is_map_only) {
|
||||
R_TRY(Operate(addr, needed_num_pages, perm, OperationType::Map, map_addr));
|
||||
} else {
|
||||
KPageGroup page_group;
|
||||
R_TRY(m_system.Kernel().MemoryManager().AllocateForProcess(
|
||||
&page_group, needed_num_pages,
|
||||
KMemoryManager::EncodeOption(m_memory_pool, m_allocation_option), 0, 0));
|
||||
R_TRY(Operate(addr, needed_num_pages, page_group, OperationType::MapGroup));
|
||||
// Create a page group tohold the pages we allocate.
|
||||
KPageGroup pg{m_kernel, m_block_info_manager};
|
||||
|
||||
R_TRY(m_system.Kernel().MemoryManager().AllocateAndOpen(
|
||||
&pg, needed_num_pages,
|
||||
KMemoryManager::EncodeOption(m_memory_pool, m_allocation_option)));
|
||||
|
||||
// Ensure that the page group is closed when we're done working with it.
|
||||
SCOPE_EXIT({ pg.Close(); });
|
||||
|
||||
// Clear all pages.
|
||||
for (const auto& it : pg) {
|
||||
std::memset(m_system.DeviceMemory().GetPointer<void>(it.GetAddress()),
|
||||
m_heap_fill_value, it.GetSize());
|
||||
}
|
||||
|
||||
R_TRY(Operate(addr, needed_num_pages, pg, OperationType::MapGroup));
|
||||
}
|
||||
|
||||
// Update the blocks.
|
||||
|
|
@ -2795,21 +2768,30 @@ Result KPageTable::Operate(VAddr addr, size_t num_pages, const KPageGroup& page_
|
|||
ASSERT(num_pages > 0);
|
||||
ASSERT(num_pages == page_group.GetNumPages());
|
||||
|
||||
for (const auto& node : page_group.Nodes()) {
|
||||
switch (operation) {
|
||||
case OperationType::MapGroup: {
|
||||
// We want to maintain a new reference to every page in the group.
|
||||
KScopedPageGroup spg(page_group);
|
||||
|
||||
for (const auto& node : page_group) {
|
||||
const size_t size{node.GetNumPages() * PageSize};
|
||||
|
||||
switch (operation) {
|
||||
case OperationType::MapGroup:
|
||||
// Map the pages.
|
||||
m_system.Memory().MapMemoryRegion(*m_page_table_impl, addr, size, node.GetAddress());
|
||||
|
||||
addr += size;
|
||||
}
|
||||
|
||||
// We succeeded! We want to persist the reference to the pages.
|
||||
spg.CancelClose();
|
||||
|
||||
break;
|
||||
}
|
||||
default:
|
||||
ASSERT(false);
|
||||
break;
|
||||
}
|
||||
|
||||
addr += size;
|
||||
}
|
||||
|
||||
R_SUCCEED();
|
||||
}
|
||||
|
||||
|
|
@ -2822,13 +2804,29 @@ Result KPageTable::Operate(VAddr addr, size_t num_pages, KMemoryPermission perm,
|
|||
ASSERT(ContainsPages(addr, num_pages));
|
||||
|
||||
switch (operation) {
|
||||
case OperationType::Unmap:
|
||||
case OperationType::Unmap: {
|
||||
// Ensure that any pages we track close on exit.
|
||||
KPageGroup pages_to_close{m_kernel, this->GetBlockInfoManager()};
|
||||
SCOPE_EXIT({ pages_to_close.CloseAndReset(); });
|
||||
|
||||
this->AddRegionToPages(addr, num_pages, pages_to_close);
|
||||
m_system.Memory().UnmapRegion(*m_page_table_impl, addr, num_pages * PageSize);
|
||||
break;
|
||||
}
|
||||
case OperationType::MapFirst:
|
||||
case OperationType::Map: {
|
||||
ASSERT(map_addr);
|
||||
ASSERT(Common::IsAligned(map_addr, PageSize));
|
||||
m_system.Memory().MapMemoryRegion(*m_page_table_impl, addr, num_pages * PageSize, map_addr);
|
||||
|
||||
// Open references to pages, if we should.
|
||||
if (IsHeapPhysicalAddress(m_kernel.MemoryLayout(), map_addr)) {
|
||||
if (operation == OperationType::MapFirst) {
|
||||
m_kernel.MemoryManager().OpenFirst(map_addr, num_pages);
|
||||
} else {
|
||||
m_kernel.MemoryManager().Open(map_addr, num_pages);
|
||||
}
|
||||
}
|
||||
break;
|
||||
}
|
||||
case OperationType::Separate: {
|
||||
|
|
|
|||
|
|
@ -107,6 +107,10 @@ public:
|
|||
return *m_page_table_impl;
|
||||
}
|
||||
|
||||
KBlockInfoManager* GetBlockInfoManager() {
|
||||
return m_block_info_manager;
|
||||
}
|
||||
|
||||
bool CanContain(VAddr addr, size_t size, KMemoryState state) const;
|
||||
|
||||
protected:
|
||||
|
|
@ -261,10 +265,6 @@ private:
|
|||
void CleanupForIpcClientOnServerSetupFailure(PageLinkedList* page_list, VAddr address,
|
||||
size_t size, KMemoryPermission prot_perm);
|
||||
|
||||
// HACK: These will be removed once we automatically manage page reference counts.
|
||||
void HACK_OpenPages(PAddr phys_addr, size_t num_pages);
|
||||
void HACK_ClosePages(VAddr virt_addr, size_t num_pages);
|
||||
|
||||
mutable KLightLock m_general_lock;
|
||||
mutable KLightLock m_map_physical_memory_lock;
|
||||
|
||||
|
|
@ -488,6 +488,7 @@ private:
|
|||
std::unique_ptr<Common::PageTable> m_page_table_impl;
|
||||
|
||||
Core::System& m_system;
|
||||
KernelCore& m_kernel;
|
||||
};
|
||||
|
||||
} // namespace Kernel
|
||||
|
|
|
|||
|
|
@ -13,10 +13,7 @@
|
|||
namespace Kernel {
|
||||
|
||||
KSharedMemory::KSharedMemory(KernelCore& kernel_) : KAutoObjectWithSlabHeapAndContainer{kernel_} {}
|
||||
|
||||
KSharedMemory::~KSharedMemory() {
|
||||
kernel.GetSystemResourceLimit()->Release(LimitableResource::PhysicalMemoryMax, size);
|
||||
}
|
||||
KSharedMemory::~KSharedMemory() = default;
|
||||
|
||||
Result KSharedMemory::Initialize(Core::DeviceMemory& device_memory_, KProcess* owner_process_,
|
||||
Svc::MemoryPermission owner_permission_,
|
||||
|
|
@ -49,7 +46,8 @@ Result KSharedMemory::Initialize(Core::DeviceMemory& device_memory_, KProcess* o
|
|||
R_UNLESS(physical_address != 0, ResultOutOfMemory);
|
||||
|
||||
//! Insert the result into our page group.
|
||||
page_group.emplace(physical_address, num_pages);
|
||||
page_group.emplace(kernel, &kernel.GetSystemSystemResource().GetBlockInfoManager());
|
||||
page_group->AddBlock(physical_address, num_pages);
|
||||
|
||||
// Commit our reservation.
|
||||
memory_reservation.Commit();
|
||||
|
|
@ -62,7 +60,7 @@ Result KSharedMemory::Initialize(Core::DeviceMemory& device_memory_, KProcess* o
|
|||
is_initialized = true;
|
||||
|
||||
// Clear all pages in the memory.
|
||||
for (const auto& block : page_group->Nodes()) {
|
||||
for (const auto& block : *page_group) {
|
||||
std::memset(device_memory_.GetPointer<void>(block.GetAddress()), 0, block.GetSize());
|
||||
}
|
||||
|
||||
|
|
@ -71,13 +69,8 @@ Result KSharedMemory::Initialize(Core::DeviceMemory& device_memory_, KProcess* o
|
|||
|
||||
void KSharedMemory::Finalize() {
|
||||
// Close and finalize the page group.
|
||||
// page_group->Close();
|
||||
// page_group->Finalize();
|
||||
|
||||
//! HACK: Manually close.
|
||||
for (const auto& block : page_group->Nodes()) {
|
||||
kernel.MemoryManager().Close(block.GetAddress(), block.GetNumPages());
|
||||
}
|
||||
page_group->Close();
|
||||
page_group->Finalize();
|
||||
|
||||
// Release the memory reservation.
|
||||
resource_limit->Release(LimitableResource::PhysicalMemoryMax, size);
|
||||
|
|
|
|||
|
|
@ -14,4 +14,7 @@ constexpr std::size_t PageSize{1 << PageBits};
|
|||
|
||||
using Page = std::array<u8, PageSize>;
|
||||
|
||||
using KPhysicalAddress = PAddr;
|
||||
using KProcessAddress = VAddr;
|
||||
|
||||
} // namespace Kernel
|
||||
|
|
|
|||
|
|
@ -1485,7 +1485,7 @@ static Result MapProcessMemory(Core::System& system, VAddr dst_address, Handle p
|
|||
ResultInvalidMemoryRegion);
|
||||
|
||||
// Create a new page group.
|
||||
KPageGroup pg;
|
||||
KPageGroup pg{system.Kernel(), dst_pt.GetBlockInfoManager()};
|
||||
R_TRY(src_pt.MakeAndOpenPageGroup(
|
||||
std::addressof(pg), src_address, size / PageSize, KMemoryState::FlagCanMapProcess,
|
||||
KMemoryState::FlagCanMapProcess, KMemoryPermission::None, KMemoryPermission::None,
|
||||
|
|
|
|||
Loading…
Reference in New Issue