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hle: kernel: Migrate PageHeap/PageTable to KPageHeap/KPageTable.

This commit is contained in:
bunnei 2021-02-12 17:58:31 -08:00
parent b1e27890e8
commit 93e20867b0
24 changed files with 131 additions and 147 deletions
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8
src/core/CMakeLists.txt
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@ -173,7 +173,11 @@ add_library(core STATIC
hle/kernel/k_memory_manager.cpp
hle/kernel/k_memory_manager.h
hle/kernel/k_page_bitmap.h
hle/kernel/k_page_heap.cpp
hle/kernel/k_page_heap.h
hle/kernel/k_page_linked_list.h
hle/kernel/k_page_table.cpp
hle/kernel/k_page_table.h
hle/kernel/k_priority_queue.h
hle/kernel/k_readable_event.cpp
hle/kernel/k_readable_event.h
@ -202,10 +206,6 @@ add_library(core STATIC
hle/kernel/kernel.cpp
hle/kernel/kernel.h
hle/kernel/memory_types.h
hle/kernel/memory/page_heap.cpp
hle/kernel/memory/page_heap.h
hle/kernel/memory/page_table.cpp
hle/kernel/memory/page_table.h
hle/kernel/object.cpp
hle/kernel/object.h
hle/kernel/physical_core.cpp

10
src/core/hle/kernel/k_memory_manager.cpp
View File

@ -21,7 +21,7 @@ std::size_t KMemoryManager::Impl::Initialize(Pool new_pool, u64 start_address, u
const auto ref_count_size{(size / PageSize) * sizeof(u16)};
const auto optimize_map_size{(Common::AlignUp((size / PageSize), 64) / 64) * sizeof(u64)};
const auto manager_size{Common::AlignUp(optimize_map_size + ref_count_size, PageSize)};
const auto page_heap_size{Memory::PageHeap::CalculateManagementOverheadSize(size)};
const auto page_heap_size{KPageHeap::CalculateManagementOverheadSize(size)};
const auto total_metadata_size{manager_size + page_heap_size};
ASSERT(manager_size <= total_metadata_size);
ASSERT(Common::IsAligned(total_metadata_size, PageSize));
@ -59,7 +59,7 @@ VAddr KMemoryManager::AllocateAndOpenContinuous(std::size_t num_pages, std::size
std::lock_guard lock{pool_locks[pool_index]};
// Choose a heap based on our page size request
const s32 heap_index{Memory::PageHeap::GetAlignedBlockIndex(num_pages, align_pages)};
const s32 heap_index{KPageHeap::GetAlignedBlockIndex(num_pages, align_pages)};
// Loop, trying to iterate from each block
// TODO (bunnei): Support multiple managers
@ -72,7 +72,7 @@ VAddr KMemoryManager::AllocateAndOpenContinuous(std::size_t num_pages, std::size
}
// If we allocated more than we need, free some
const auto allocated_pages{Memory::PageHeap::GetBlockNumPages(heap_index)};
const auto allocated_pages{KPageHeap::GetBlockNumPages(heap_index)};
if (allocated_pages > num_pages) {
chosen_manager.Free(allocated_block + num_pages * PageSize, allocated_pages - num_pages);
}
@ -94,7 +94,7 @@ ResultCode KMemoryManager::Allocate(KPageLinkedList& page_list, std::size_t num_
std::lock_guard lock{pool_locks[pool_index]};
// Choose a heap based on our page size request
const s32 heap_index{Memory::PageHeap::GetBlockIndex(num_pages)};
const s32 heap_index{KPageHeap::GetBlockIndex(num_pages)};
if (heap_index < 0) {
return ResultOutOfMemory;
}
@ -113,7 +113,7 @@ ResultCode KMemoryManager::Allocate(KPageLinkedList& page_list, std::size_t num_
// Keep allocating until we've allocated all our pages
for (s32 index{heap_index}; index >= 0 && num_pages > 0; index--) {
const auto pages_per_alloc{Memory::PageHeap::GetBlockNumPages(index)};
const auto pages_per_alloc{KPageHeap::GetBlockNumPages(index)};
while (num_pages >= pages_per_alloc) {
// Allocate a block

8
src/core/hle/kernel/k_memory_manager.h
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@ -10,14 +10,12 @@
#include "common/common_funcs.h"
#include "common/common_types.h"
#include "core/hle/kernel/memory/page_heap.h"
#include "core/hle/kernel/k_page_heap.h"
#include "core/hle/result.h"
namespace Kernel {
class KPageLinkedList;
}
namespace Kernel {
class KPageLinkedList;
class KMemoryManager final : NonCopyable {
public:
@ -84,7 +82,7 @@ private:
using RefCount = u16;
private:
Memory::PageHeap heap;
KPageHeap heap;
Pool pool{};
public:

21
src/core/hle/kernel/memory/page_heap.cpp → src/core/hle/kernel/k_page_heap.cpp
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@ -2,16 +2,13 @@
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
// This file references various implementation details from Atmosphere, an open-source firmware for
// the Nintendo Switch. Copyright 2018-2020 Atmosphere-NX.
#include "core/core.h"
#include "core/hle/kernel/memory/page_heap.h"
#include "core/hle/kernel/k_page_heap.h"
#include "core/memory.h"
namespace Kernel::Memory {
namespace Kernel {
void PageHeap::Initialize(VAddr address, std::size_t size, std::size_t metadata_size) {
void KPageHeap::Initialize(VAddr address, std::size_t size, std::size_t metadata_size) {
// Check our assumptions
ASSERT(Common::IsAligned((address), PageSize));
ASSERT(Common::IsAligned(size, PageSize));
@ -32,7 +29,7 @@ void PageHeap::Initialize(VAddr address, std::size_t size, std::size_t metadata_
}
}
VAddr PageHeap::AllocateBlock(s32 index, bool random) {
VAddr KPageHeap::AllocateBlock(s32 index, bool random) {
const std::size_t needed_size{blocks[index].GetSize()};
for (s32 i{index}; i < static_cast<s32>(MemoryBlockPageShifts.size()); i++) {
@ -48,13 +45,13 @@ VAddr PageHeap::AllocateBlock(s32 index, bool random) {
return 0;
}
void PageHeap::FreeBlock(VAddr block, s32 index) {
void KPageHeap::FreeBlock(VAddr block, s32 index) {
do {
block = blocks[index++].PushBlock(block);
} while (block != 0);
}
void PageHeap::Free(VAddr addr, std::size_t num_pages) {
void KPageHeap::Free(VAddr addr, std::size_t num_pages) {
// Freeing no pages is a no-op
if (num_pages == 0) {
return;
@ -104,16 +101,16 @@ void PageHeap::Free(VAddr addr, std::size_t num_pages) {
}
}
std::size_t PageHeap::CalculateManagementOverheadSize(std::size_t region_size) {
std::size_t KPageHeap::CalculateManagementOverheadSize(std::size_t region_size) {
std::size_t overhead_size = 0;
for (std::size_t i = 0; i < MemoryBlockPageShifts.size(); i++) {
const std::size_t cur_block_shift{MemoryBlockPageShifts[i]};
const std::size_t next_block_shift{
(i != MemoryBlockPageShifts.size() - 1) ? MemoryBlockPageShifts[i + 1] : 0};
overhead_size += PageHeap::Block::CalculateManagementOverheadSize(
overhead_size += KPageHeap::Block::CalculateManagementOverheadSize(
region_size, cur_block_shift, next_block_shift);
}
return Common::AlignUp(overhead_size, PageSize);
}
} // namespace Kernel::Memory
} // namespace Kernel

11
src/core/hle/kernel/memory/page_heap.h → src/core/hle/kernel/k_page_heap.h
View File

@ -2,9 +2,6 @@
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
// This file references various implementation details from Atmosphere, an open-source firmware for
// the Nintendo Switch. Copyright 2018-2020 Atmosphere-NX.
#pragma once
#include <array>
@ -18,9 +15,9 @@
#include "core/hle/kernel/k_page_bitmap.h"
#include "core/hle/kernel/memory_types.h"
namespace Kernel::Memory {
namespace Kernel {
class PageHeap final : NonCopyable {
class KPageHeap final : NonCopyable {
public:
static constexpr s32 GetAlignedBlockIndex(std::size_t num_pages, std::size_t align_pages) {
const auto target_pages{std::max(num_pages, align_pages)};
@ -148,7 +145,7 @@ private:
};
public:
PageHeap() = default;
KPageHeap() = default;
constexpr VAddr GetAddress() const {
return heap_address;
@ -193,4 +190,4 @@ private:
std::vector<u64> metadata;
};
} // namespace Kernel::Memory
} // namespace Kernel

123
src/core/hle/kernel/memory/page_table.cpp → src/core/hle/kernel/k_page_table.cpp
View File

@ -10,16 +10,16 @@
#include "core/hle/kernel/k_memory_block.h"
#include "core/hle/kernel/k_memory_block_manager.h"
#include "core/hle/kernel/k_page_linked_list.h"
#include "core/hle/kernel/k_page_table.h"
#include "core/hle/kernel/k_resource_limit.h"
#include "core/hle/kernel/k_scoped_resource_reservation.h"
#include "core/hle/kernel/k_system_control.h"
#include "core/hle/kernel/kernel.h"
#include "core/hle/kernel/memory/page_table.h"
#include "core/hle/kernel/process.h"
#include "core/hle/kernel/svc_results.h"
#include "core/memory.h"
namespace Kernel::Memory {
namespace Kernel {
namespace {
@ -58,11 +58,11 @@ constexpr std::size_t GetSizeInRange(const KMemoryInfo& info, VAddr start, VAddr
} // namespace
PageTable::PageTable(Core::System& system) : system{system} {}
KPageTable::KPageTable(Core::System& system) : system{system} {}
ResultCode PageTable::InitializeForProcess(FileSys::ProgramAddressSpaceType as_type,
bool enable_aslr, VAddr code_addr, std::size_t code_size,
KMemoryManager::Pool pool) {
ResultCode KPageTable::InitializeForProcess(FileSys::ProgramAddressSpaceType as_type,
bool enable_aslr, VAddr code_addr,
std::size_t code_size, KMemoryManager::Pool pool) {
const auto GetSpaceStart = [this](KAddressSpaceInfo::Type type) {
return KAddressSpaceInfo::GetAddressSpaceStart(address_space_width, type);
@ -271,8 +271,8 @@ ResultCode PageTable::InitializeForProcess(FileSys::ProgramAddressSpaceType as_t
return InitializeMemoryLayout(start, end);
}
ResultCode PageTable::MapProcessCode(VAddr addr, std::size_t num_pages, KMemoryState state,
KMemoryPermission perm) {
ResultCode KPageTable::MapProcessCode(VAddr addr, std::size_t num_pages, KMemoryState state,
KMemoryPermission perm) {
std::lock_guard lock{page_table_lock};
const u64 size{num_pages * PageSize};
@ -295,7 +295,7 @@ ResultCode PageTable::MapProcessCode(VAddr addr, std::size_t num_pages, KMemoryS
return RESULT_SUCCESS;
}
ResultCode PageTable::MapProcessCodeMemory(VAddr dst_addr, VAddr src_addr, std::size_t size) {
ResultCode KPageTable::MapProcessCodeMemory(VAddr dst_addr, VAddr src_addr, std::size_t size) {
std::lock_guard lock{page_table_lock};
const std::size_t num_pages{size / PageSize};
@ -332,7 +332,7 @@ ResultCode PageTable::MapProcessCodeMemory(VAddr dst_addr, VAddr src_addr, std::
return RESULT_SUCCESS;
}
ResultCode PageTable::UnmapProcessCodeMemory(VAddr dst_addr, VAddr src_addr, std::size_t size) {
ResultCode KPageTable::UnmapProcessCodeMemory(VAddr dst_addr, VAddr src_addr, std::size_t size) {
std::lock_guard lock{page_table_lock};
if (!size) {
@ -363,7 +363,7 @@ ResultCode PageTable::UnmapProcessCodeMemory(VAddr dst_addr, VAddr src_addr, std
return RESULT_SUCCESS;
}
void PageTable::MapPhysicalMemory(KPageLinkedList& page_linked_list, VAddr start, VAddr end) {
void KPageTable::MapPhysicalMemory(KPageLinkedList& page_linked_list, VAddr start, VAddr end) {
auto node{page_linked_list.Nodes().begin()};
PAddr map_addr{node->GetAddress()};
std::size_t src_num_pages{node->GetNumPages()};
@ -395,7 +395,7 @@ void PageTable::MapPhysicalMemory(KPageLinkedList& page_linked_list, VAddr start
});
}
ResultCode PageTable::MapPhysicalMemory(VAddr addr, std::size_t size) {
ResultCode KPageTable::MapPhysicalMemory(VAddr addr, std::size_t size) {
std::lock_guard lock{page_table_lock};
std::size_t mapped_size{};
@ -443,7 +443,7 @@ ResultCode PageTable::MapPhysicalMemory(VAddr addr, std::size_t size) {
return RESULT_SUCCESS;
}
ResultCode PageTable::UnmapPhysicalMemory(VAddr addr, std::size_t size) {
ResultCode KPageTable::UnmapPhysicalMemory(VAddr addr, std::size_t size) {
std::lock_guard lock{page_table_lock};
const VAddr end_addr{addr + size};
@ -480,7 +480,7 @@ ResultCode PageTable::UnmapPhysicalMemory(VAddr addr, std::size_t size) {
return RESULT_SUCCESS;
}
ResultCode PageTable::UnmapMemory(VAddr addr, std::size_t size) {
ResultCode KPageTable::UnmapMemory(VAddr addr, std::size_t size) {
std::lock_guard lock{page_table_lock};
const VAddr end_addr{addr + size};
@ -516,7 +516,7 @@ ResultCode PageTable::UnmapMemory(VAddr addr, std::size_t size) {
return RESULT_SUCCESS;
}
ResultCode PageTable::Map(VAddr dst_addr, VAddr src_addr, std::size_t size) {
ResultCode KPageTable::Map(VAddr dst_addr, VAddr src_addr, std::size_t size) {
std::lock_guard lock{page_table_lock};
KMemoryState src_state{};
@ -555,7 +555,7 @@ ResultCode PageTable::Map(VAddr dst_addr, VAddr src_addr, std::size_t size) {
return RESULT_SUCCESS;
}
ResultCode PageTable::Unmap(VAddr dst_addr, VAddr src_addr, std::size_t size) {
ResultCode KPageTable::Unmap(VAddr dst_addr, VAddr src_addr, std::size_t size) {
std::lock_guard lock{page_table_lock};
KMemoryState src_state{};
@ -597,8 +597,8 @@ ResultCode PageTable::Unmap(VAddr dst_addr, VAddr src_addr, std::size_t size) {
return RESULT_SUCCESS;
}
ResultCode PageTable::MapPages(VAddr addr, const KPageLinkedList& page_linked_list,
KMemoryPermission perm) {
ResultCode KPageTable::MapPages(VAddr addr, const KPageLinkedList& page_linked_list,
KMemoryPermission perm) {
VAddr cur_addr{addr};
for (const auto& node : page_linked_list.Nodes()) {
@ -619,8 +619,8 @@ ResultCode PageTable::MapPages(VAddr addr, const KPageLinkedList& page_linked_li
return RESULT_SUCCESS;
}
ResultCode PageTable::MapPages(VAddr addr, KPageLinkedList& page_linked_list, KMemoryState state,
KMemoryPermission perm) {
ResultCode KPageTable::MapPages(VAddr addr, KPageLinkedList& page_linked_list, KMemoryState state,
KMemoryPermission perm) {
std::lock_guard lock{page_table_lock};
const std::size_t num_pages{page_linked_list.GetNumPages()};
@ -641,8 +641,8 @@ ResultCode PageTable::MapPages(VAddr addr, KPageLinkedList& page_linked_list, KM
return RESULT_SUCCESS;
}
ResultCode PageTable::SetCodeMemoryPermission(VAddr addr, std::size_t size,
KMemoryPermission perm) {
ResultCode KPageTable::SetCodeMemoryPermission(VAddr addr, std::size_t size,
KMemoryPermission perm) {
std::lock_guard lock{page_table_lock};
@ -689,13 +689,13 @@ ResultCode PageTable::SetCodeMemoryPermission(VAddr addr, std::size_t size,
return RESULT_SUCCESS;
}
KMemoryInfo PageTable::QueryInfoImpl(VAddr addr) {
KMemoryInfo KPageTable::QueryInfoImpl(VAddr addr) {
std::lock_guard lock{page_table_lock};
return block_manager->FindBlock(addr).GetMemoryInfo();
}
KMemoryInfo PageTable::QueryInfo(VAddr addr) {
KMemoryInfo KPageTable::QueryInfo(VAddr addr) {
if (!Contains(addr, 1)) {
return {address_space_end, 0 - address_space_end, KMemoryState::Inaccessible,
KMemoryPermission::None, KMemoryAttribute::None, KMemoryPermission::None};
@ -704,7 +704,7 @@ KMemoryInfo PageTable::QueryInfo(VAddr addr) {
return QueryInfoImpl(addr);
}
ResultCode PageTable::ReserveTransferMemory(VAddr addr, std::size_t size, KMemoryPermission perm) {
ResultCode KPageTable::ReserveTransferMemory(VAddr addr, std::size_t size, KMemoryPermission perm) {
std::lock_guard lock{page_table_lock};
KMemoryState state{};
@ -722,7 +722,7 @@ ResultCode PageTable::ReserveTransferMemory(VAddr addr, std::size_t size, KMemor
return RESULT_SUCCESS;
}
ResultCode PageTable::ResetTransferMemory(VAddr addr, std::size_t size) {
ResultCode KPageTable::ResetTransferMemory(VAddr addr, std::size_t size) {
std::lock_guard lock{page_table_lock};
KMemoryState state{};
@ -739,8 +739,8 @@ ResultCode PageTable::ResetTransferMemory(VAddr addr, std::size_t size) {
return RESULT_SUCCESS;
}
ResultCode PageTable::SetMemoryAttribute(VAddr addr, std::size_t size, KMemoryAttribute mask,
KMemoryAttribute value) {
ResultCode KPageTable::SetMemoryAttribute(VAddr addr, std::size_t size, KMemoryAttribute mask,
KMemoryAttribute value) {
std::lock_guard lock{page_table_lock};
KMemoryState state{};
@ -761,13 +761,13 @@ ResultCode PageTable::SetMemoryAttribute(VAddr addr, std::size_t size, KMemoryAt
return RESULT_SUCCESS;
}
ResultCode PageTable::SetHeapCapacity(std::size_t new_heap_capacity) {
ResultCode KPageTable::SetHeapCapacity(std::size_t new_heap_capacity) {
std::lock_guard lock{page_table_lock};
heap_capacity = new_heap_capacity;
return RESULT_SUCCESS;
}
ResultVal<VAddr> PageTable::SetHeapSize(std::size_t size) {
ResultVal<VAddr> KPageTable::SetHeapSize(std::size_t size) {
if (size > heap_region_end - heap_region_start) {
return ResultOutOfMemory;
@ -818,10 +818,10 @@ ResultVal<VAddr> PageTable::SetHeapSize(std::size_t size) {
return MakeResult<VAddr>(heap_region_start);
}
ResultVal<VAddr> PageTable::AllocateAndMapMemory(std::size_t needed_num_pages, std::size_t align,
bool is_map_only, VAddr region_start,
std::size_t region_num_pages, KMemoryState state,
KMemoryPermission perm, PAddr map_addr) {
ResultVal<VAddr> KPageTable::AllocateAndMapMemory(std::size_t needed_num_pages, std::size_t align,
bool is_map_only, VAddr region_start,
std::size_t region_num_pages, KMemoryState state,
KMemoryPermission perm, PAddr map_addr) {
std::lock_guard lock{page_table_lock};
if (!CanContain(region_start, region_num_pages * PageSize, state)) {
@ -852,7 +852,7 @@ ResultVal<VAddr> PageTable::AllocateAndMapMemory(std::size_t needed_num_pages, s
return MakeResult<VAddr>(addr);
}
ResultCode PageTable::LockForDeviceAddressSpace(VAddr addr, std::size_t size) {
ResultCode KPageTable::LockForDeviceAddressSpace(VAddr addr, std::size_t size) {
std::lock_guard lock{page_table_lock};
KMemoryPermission perm{};
@ -875,7 +875,7 @@ ResultCode PageTable::LockForDeviceAddressSpace(VAddr addr, std::size_t size) {
return RESULT_SUCCESS;
}
ResultCode PageTable::UnlockForDeviceAddressSpace(VAddr addr, std::size_t size) {
ResultCode KPageTable::UnlockForDeviceAddressSpace(VAddr addr, std::size_t size) {
std::lock_guard lock{page_table_lock};
KMemoryPermission perm{};
@ -898,13 +898,13 @@ ResultCode PageTable::UnlockForDeviceAddressSpace(VAddr addr, std::size_t size)
return RESULT_SUCCESS;
}
ResultCode PageTable::InitializeMemoryLayout(VAddr start, VAddr end) {
ResultCode KPageTable::InitializeMemoryLayout(VAddr start, VAddr end) {
block_manager = std::make_unique<KMemoryBlockManager>(start, end);
return RESULT_SUCCESS;
}
bool PageTable::IsRegionMapped(VAddr address, u64 size) {
bool KPageTable::IsRegionMapped(VAddr address, u64 size) {
return CheckMemoryState(address, size, KMemoryState::All, KMemoryState::Free,
KMemoryPermission::Mask, KMemoryPermission::None,
KMemoryAttribute::Mask, KMemoryAttribute::None,
@ -912,7 +912,7 @@ bool PageTable::IsRegionMapped(VAddr address, u64 size) {
.IsError();
}
bool PageTable::IsRegionContiguous(VAddr addr, u64 size) const {
bool KPageTable::IsRegionContiguous(VAddr addr, u64 size) const {
auto start_ptr = system.Memory().GetPointer(addr);
for (u64 offset{}; offset < size; offset += PageSize) {
if (start_ptr != system.Memory().GetPointer(addr + offset)) {
@ -923,8 +923,8 @@ bool PageTable::IsRegionContiguous(VAddr addr, u64 size) const {
return true;
}
void PageTable::AddRegionToPages(VAddr start, std::size_t num_pages,
KPageLinkedList& page_linked_list) {
void KPageTable::AddRegionToPages(VAddr start, std::size_t num_pages,
KPageLinkedList& page_linked_list) {
VAddr addr{start};
while (addr < start + (num_pages * PageSize)) {
const PAddr paddr{GetPhysicalAddr(addr)};
@ -936,8 +936,8 @@ void PageTable::AddRegionToPages(VAddr start, std::size_t num_pages,
}
}
VAddr PageTable::AllocateVirtualMemory(VAddr start, std::size_t region_num_pages,
u64 needed_num_pages, std::size_t align) {
VAddr KPageTable::AllocateVirtualMemory(VAddr start, std::size_t region_num_pages,
u64 needed_num_pages, std::size_t align) {
if (is_aslr_enabled) {
UNIMPLEMENTED();
}
@ -945,8 +945,8 @@ VAddr PageTable::AllocateVirtualMemory(VAddr start, std::size_t region_num_pages
IsKernel() ? 1 : 4);
}
ResultCode PageTable::Operate(VAddr addr, std::size_t num_pages, const KPageLinkedList& page_group,
OperationType operation) {
ResultCode KPageTable::Operate(VAddr addr, std::size_t num_pages, const KPageLinkedList& page_group,
OperationType operation) {
std::lock_guard lock{page_table_lock};
ASSERT(Common::IsAligned(addr, PageSize));
@ -970,8 +970,8 @@ ResultCode PageTable::Operate(VAddr addr, std::size_t num_pages, const KPageLink
return RESULT_SUCCESS;
}
ResultCode PageTable::Operate(VAddr addr, std::size_t num_pages, KMemoryPermission perm,
OperationType operation, PAddr map_addr) {
ResultCode KPageTable::Operate(VAddr addr, std::size_t num_pages, KMemoryPermission perm,
OperationType operation, PAddr map_addr) {
std::lock_guard lock{page_table_lock};
ASSERT(num_pages > 0);
@ -997,7 +997,7 @@ ResultCode PageTable::Operate(VAddr addr, std::size_t num_pages, KMemoryPermissi
return RESULT_SUCCESS;
}
constexpr VAddr PageTable::GetRegionAddress(KMemoryState state) const {
constexpr VAddr KPageTable::GetRegionAddress(KMemoryState state) const {
switch (state) {
case KMemoryState::Free:
case KMemoryState::Kernel:
@ -1032,7 +1032,7 @@ constexpr VAddr PageTable::GetRegionAddress(KMemoryState state) const {
}
}
constexpr std::size_t PageTable::GetRegionSize(KMemoryState state) const {
constexpr std::size_t KPageTable::GetRegionSize(KMemoryState state) const {
switch (state) {
case KMemoryState::Free:
case KMemoryState::Kernel:
@ -1067,7 +1067,7 @@ constexpr std::size_t PageTable::GetRegionSize(KMemoryState state) const {
}
}
constexpr bool PageTable::CanContain(VAddr addr, std::size_t size, KMemoryState state) const {
constexpr bool KPageTable::CanContain(VAddr addr, std::size_t size, KMemoryState state) const {
const VAddr end{addr + size};
const VAddr last{end - 1};
const VAddr region_start{GetRegionAddress(state)};
@ -1109,10 +1109,11 @@ constexpr bool PageTable::CanContain(VAddr addr, std::size_t size, KMemoryState
}
}
constexpr ResultCode PageTable::CheckMemoryState(const KMemoryInfo& info, KMemoryState state_mask,
KMemoryState state, KMemoryPermission perm_mask,
KMemoryPermission perm, KMemoryAttribute attr_mask,
KMemoryAttribute attr) const {
constexpr ResultCode KPageTable::CheckMemoryState(const KMemoryInfo& info, KMemoryState state_mask,
KMemoryState state, KMemoryPermission perm_mask,
KMemoryPermission perm,
KMemoryAttribute attr_mask,
KMemoryAttribute attr) const {
// Validate the states match expectation
if ((info.state & state_mask) != state) {
return ResultInvalidCurrentMemory;
@ -1127,12 +1128,12 @@ constexpr ResultCode PageTable::CheckMemoryState(const KMemoryInfo& info, KMemor
return RESULT_SUCCESS;
}
ResultCode PageTable::CheckMemoryState(KMemoryState* out_state, KMemoryPermission* out_perm,
KMemoryAttribute* out_attr, VAddr addr, std::size_t size,
KMemoryState state_mask, KMemoryState state,
KMemoryPermission perm_mask, KMemoryPermission perm,
KMemoryAttribute attr_mask, KMemoryAttribute attr,
KMemoryAttribute ignore_attr) {
ResultCode KPageTable::CheckMemoryState(KMemoryState* out_state, KMemoryPermission* out_perm,
KMemoryAttribute* out_attr, VAddr addr, std::size_t size,
KMemoryState state_mask, KMemoryState state,
KMemoryPermission perm_mask, KMemoryPermission perm,
KMemoryAttribute attr_mask, KMemoryAttribute attr,
KMemoryAttribute ignore_attr) {
std::lock_guard lock{page_table_lock};
// Get information about the first block
@ -1186,4 +1187,4 @@ ResultCode PageTable::CheckMemoryState(KMemoryState* out_state, KMemoryPermissio
return RESULT_SUCCESS;
}
} // namespace Kernel::Memory
} // namespace Kernel

10
src/core/hle/kernel/memory/page_table.h → src/core/hle/kernel/k_page_table.h
View File

@ -19,14 +19,12 @@ class System;
}
namespace Kernel {
class KMemoryBlockManager;
}
namespace Kernel::Memory {
class PageTable final : NonCopyable {
class KPageTable final : NonCopyable {
public:
explicit PageTable(Core::System& system);
explicit KPageTable(Core::System& system);
ResultCode InitializeForProcess(FileSys::ProgramAddressSpaceType as_type, bool enable_aslr,
VAddr code_addr, std::size_t code_size,
@ -278,4 +276,4 @@ private:
Core::System& system;
};
} // namespace Kernel::Memory
} // namespace Kernel

5
src/core/hle/kernel/k_shared_memory.cpp
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@ -4,10 +4,10 @@
#include "common/assert.h"
#include "core/core.h"
#include "core/hle/kernel/k_page_table.h"
#include "core/hle/kernel/k_scoped_resource_reservation.h"
#include "core/hle/kernel/k_shared_memory.h"
#include "core/hle/kernel/kernel.h"
#include "core/hle/kernel/memory/page_table.h"
namespace Kernel {
@ -21,8 +21,7 @@ KSharedMemory::~KSharedMemory() {
std::shared_ptr<KSharedMemory> KSharedMemory::Create(
KernelCore& kernel, Core::DeviceMemory& device_memory, Process* owner_process,
KPageLinkedList&& page_list, KMemoryPermission owner_permission,
KMemoryPermission user_permission, PAddr physical_address, std::size_t size,
std::string name) {
KMemoryPermission user_permission, PAddr physical_address, std::size_t size, std::string name) {
const auto resource_limit = kernel.GetSystemResourceLimit();
KScopedResourceReservation memory_reservation(resource_limit, LimitableResource::PhysicalMemory,

8
src/core/hle/kernel/process.cpp
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@ -15,13 +15,13 @@
#include "core/file_sys/program_metadata.h"
#include "core/hle/kernel/code_set.h"
#include "core/hle/kernel/k_memory_block_manager.h"
#include "core/hle/kernel/k_page_table.h"
#include "core/hle/kernel/k_resource_limit.h"
#include "core/hle/kernel/k_scheduler.h"
#include "core/hle/kernel/k_scoped_resource_reservation.h"
#include "core/hle/kernel/k_slab_heap.h"
#include "core/hle/kernel/k_thread.h"
#include "core/hle/kernel/kernel.h"
#include "core/hle/kernel/memory/page_table.h"
#include "core/hle/kernel/process.h"
#include "core/hle/kernel/svc_results.h"
#include "core/hle/lock.h"
@ -464,9 +464,9 @@ bool Process::IsSignaled() const {
}
Process::Process(Core::System& system)
: KSynchronizationObject{system.Kernel()},
page_table{std::make_unique<Memory::PageTable>(system)}, handle_table{system.Kernel()},
address_arbiter{system}, condition_var{system}, state_lock{system.Kernel()}, system{system} {}
: KSynchronizationObject{system.Kernel()}, page_table{std::make_unique<KPageTable>(system)},
handle_table{system.Kernel()}, address_arbiter{system}, condition_var{system},
state_lock{system.Kernel()}, system{system} {}
Process::~Process() = default;

11
src/core/hle/kernel/process.h
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@ -29,16 +29,13 @@ class ProgramMetadata;
namespace Kernel {
class KernelCore;
class KPageTable;
class KResourceLimit;
class KThread;
class TLSPage;
struct CodeSet;
namespace Memory {
class PageTable;
}
enum class MemoryRegion : u16 {
APPLICATION = 1,
SYSTEM = 2,
@ -104,12 +101,12 @@ public:
}
/// Gets a reference to the process' page table.
Memory::PageTable& PageTable() {
KPageTable& PageTable() {
return *page_table;
}
/// Gets const a reference to the process' page table.
const Memory::PageTable& PageTable() const {
const KPageTable& PageTable() const {
return *page_table;
}
@ -385,7 +382,7 @@ private:
ResultCode AllocateMainThreadStack(std::size_t stack_size);
/// Memory manager for this process
std::unique_ptr<Memory::PageTable> page_table;
std::unique_ptr<KPageTable> page_table;
/// Current status of the process
ProcessStatus status{};

14
src/core/hle/kernel/process_capability.cpp
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@ -7,7 +7,7 @@
#include "common/bit_util.h"
#include "common/logging/log.h"
#include "core/hle/kernel/handle_table.h"
#include "core/hle/kernel/memory/page_table.h"
#include "core/hle/kernel/k_page_table.h"
#include "core/hle/kernel/process_capability.h"
#include "core/hle/kernel/svc_results.h"
@ -69,7 +69,7 @@ u32 GetFlagBitOffset(CapabilityType type) {
ResultCode ProcessCapabilities::InitializeForKernelProcess(const u32* capabilities,
std::size_t num_capabilities,
Memory::PageTable& page_table) {
KPageTable& page_table) {
Clear();
// Allow all cores and priorities.
@ -82,7 +82,7 @@ ResultCode ProcessCapabilities::InitializeForKernelProcess(const u32* capabiliti
ResultCode ProcessCapabilities::InitializeForUserProcess(const u32* capabilities,
std::size_t num_capabilities,
Memory::PageTable& page_table) {
KPageTable& page_table) {
Clear();
return ParseCapabilities(capabilities, num_capabilities, page_table);
@ -108,7 +108,7 @@ void ProcessCapabilities::InitializeForMetadatalessProcess() {
ResultCode ProcessCapabilities::ParseCapabilities(const u32* capabilities,
std::size_t num_capabilities,
Memory::PageTable& page_table) {
KPageTable& page_table) {
u32 set_flags = 0;
u32 set_svc_bits = 0;
@ -155,7 +155,7 @@ ResultCode ProcessCapabilities::ParseCapabilities(const u32* capabilities,
}
ResultCode ProcessCapabilities::ParseSingleFlagCapability(u32& set_flags, u32& set_svc_bits,
u32 flag, Memory::PageTable& page_table) {
u32 flag, KPageTable& page_table) {
const auto type = GetCapabilityType(flag);
if (type == CapabilityType::Unset) {
@ -293,12 +293,12 @@ ResultCode ProcessCapabilities::HandleSyscallFlags(u32& set_svc_bits, u32 flags)
}
ResultCode ProcessCapabilities::HandleMapPhysicalFlags(u32 flags, u32 size_flags,
Memory::PageTable& page_table) {
KPageTable& page_table) {
// TODO(Lioncache): Implement once the memory manager can handle this.
return RESULT_SUCCESS;
}
ResultCode ProcessCapabilities::HandleMapIOFlags(u32 flags, Memory::PageTable& page_table) {
ResultCode ProcessCapabilities::HandleMapIOFlags(u32 flags, KPageTable& page_table) {
// TODO(Lioncache): Implement once the memory manager can handle this.
return RESULT_SUCCESS;
}

16
src/core/hle/kernel/process_capability.h
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@ -12,9 +12,7 @@ union ResultCode;
namespace Kernel {
namespace Memory {
class PageTable;
}
class KPageTable;
/// The possible types of programs that may be indicated
/// by the program type capability descriptor.
@ -90,7 +88,7 @@ public:
/// otherwise, an error code upon failure.
///
ResultCode InitializeForKernelProcess(const u32* capabilities, std::size_t num_capabilities,
Memory::PageTable& page_table);
KPageTable& page_table);
/// Initializes this process capabilities instance for a userland process.
///
@ -103,7 +101,7 @@ public:
/// otherwise, an error code upon failure.
///
ResultCode InitializeForUserProcess(const u32* capabilities, std::size_t num_capabilities,
Memory::PageTable& page_table);
KPageTable& page_table);
/// Initializes this process capabilities instance for a process that does not
/// have any metadata to parse.
@ -189,7 +187,7 @@ private:
/// @return RESULT_SUCCESS if no errors occur, otherwise an error code.
///
ResultCode ParseCapabilities(const u32* capabilities, std::size_t num_capabilities,
Memory::PageTable& page_table);
KPageTable& page_table);
/// Attempts to parse a capability descriptor that is only represented by a
/// single flag set.
@ -204,7 +202,7 @@ private:
/// @return RESULT_SUCCESS if no errors occurred, otherwise an error code.
///
ResultCode ParseSingleFlagCapability(u32& set_flags, u32& set_svc_bits, u32 flag,
Memory::PageTable& page_table);
KPageTable& page_table);
/// Clears the internal state of this process capability instance. Necessary,
/// to have a sane starting point due to us allowing running executables without
@ -228,10 +226,10 @@ private:
ResultCode HandleSyscallFlags(u32& set_svc_bits, u32 flags);
/// Handles flags related to mapping physical memory pages.
ResultCode HandleMapPhysicalFlags(u32 flags, u32 size_flags, Memory::PageTable& page_table);
ResultCode HandleMapPhysicalFlags(u32 flags, u32 size_flags, KPageTable& page_table);
/// Handles flags related to mapping IO pages.
ResultCode HandleMapIOFlags(u32 flags, Memory::PageTable& page_table);
ResultCode HandleMapIOFlags(u32 flags, KPageTable& page_table);
/// Handles flags related to the interrupt capability flags.
ResultCode HandleInterruptFlags(u32 flags);

6
src/core/hle/kernel/svc.cpp
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@ -29,6 +29,7 @@
#include "core/hle/kernel/k_event.h"
#include "core/hle/kernel/k_memory_block.h"
#include "core/hle/kernel/k_memory_layout.h"
#include "core/hle/kernel/k_page_table.h"
#include "core/hle/kernel/k_readable_event.h"
#include "core/hle/kernel/k_resource_limit.h"
#include "core/hle/kernel/k_scheduler.h"
@ -39,7 +40,6 @@
#include "core/hle/kernel/k_thread.h"
#include "core/hle/kernel/k_writable_event.h"
#include "core/hle/kernel/kernel.h"
#include "core/hle/kernel/memory/page_table.h"
#include "core/hle/kernel/physical_core.h"
#include "core/hle/kernel/process.h"
#include "core/hle/kernel/svc.h"
@ -67,8 +67,8 @@ constexpr bool IsValidAddressRange(VAddr address, u64 size) {
// Helper function that performs the common sanity checks for svcMapMemory
// and svcUnmapMemory. This is doable, as both functions perform their sanitizing
// in the same order.
ResultCode MapUnmapMemorySanityChecks(const Memory::PageTable& manager, VAddr dst_addr,
VAddr src_addr, u64 size) {
ResultCode MapUnmapMemorySanityChecks(const KPageTable& manager, VAddr dst_addr, VAddr src_addr,
u64 size) {
if (!Common::Is4KBAligned(dst_addr)) {
LOG_ERROR(Kernel_SVC, "Destination address is not aligned to 4KB, 0x{:016X}", dst_addr);
return ResultInvalidAddress;

2
src/core/hle/kernel/transfer_memory.cpp
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@ -2,9 +2,9 @@
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include "core/hle/kernel/k_page_table.h"
#include "core/hle/kernel/k_resource_limit.h"
#include "core/hle/kernel/kernel.h"
#include "core/hle/kernel/memory/page_table.h"
#include "core/hle/kernel/process.h"
#include "core/hle/kernel/transfer_memory.h"
#include "core/hle/result.h"

7
src/core/hle/service/ldr/ldr.cpp
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@ -11,8 +11,8 @@
#include "common/scope_exit.h"
#include "core/core.h"
#include "core/hle/ipc_helpers.h"
#include "core/hle/kernel/k_page_table.h"
#include "core/hle/kernel/k_system_control.h"
#include "core/hle/kernel/memory/page_table.h"
#include "core/hle/kernel/process.h"
#include "core/hle/kernel/svc_results.h"
#include "core/hle/service/ldr/ldr.h"
@ -287,8 +287,7 @@ public:
rb.Push(RESULT_SUCCESS);
}
bool ValidateRegionForMap(Kernel::Memory::PageTable& page_table, VAddr start,
std::size_t size) const {
bool ValidateRegionForMap(Kernel::KPageTable& page_table, VAddr start, std::size_t size) const {
constexpr std::size_t padding_size{4 * Kernel::PageSize};
const auto start_info{page_table.QueryInfo(start - 1)};
@ -309,7 +308,7 @@ public:
return (start + size + padding_size) <= (end_info.GetAddress() + end_info.GetSize());
}
VAddr GetRandomMapRegion(const Kernel::Memory::PageTable& page_table, std::size_t size) const {
VAddr GetRandomMapRegion(const Kernel::KPageTable& page_table, std::size_t size) const {
VAddr addr{};
const std::size_t end_pages{(page_table.GetAliasCodeRegionSize() - size) >>
Kernel::PageBits};

2
src/core/loader/deconstructed_rom_directory.cpp
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@ -12,8 +12,8 @@
#include "core/file_sys/control_metadata.h"
#include "core/file_sys/patch_manager.h"
#include "core/file_sys/romfs_factory.h"
#include "core/hle/kernel/k_page_table.h"
#include "core/hle/kernel/kernel.h"
#include "core/hle/kernel/memory/page_table.h"
#include "core/hle/kernel/process.h"
#include "core/hle/service/filesystem/filesystem.h"
#include "core/loader/deconstructed_rom_directory.h"

2
src/core/loader/elf.cpp
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@ -10,7 +10,7 @@
#include "common/file_util.h"
#include "common/logging/log.h"
#include "core/hle/kernel/code_set.h"
#include "core/hle/kernel/memory/page_table.h"
#include "core/hle/kernel/k_page_table.h"
#include "core/hle/kernel/process.h"
#include "core/loader/elf.h"
#include "core/memory.h"

2
src/core/loader/kip.cpp
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@ -6,7 +6,7 @@
#include "core/file_sys/kernel_executable.h"
#include "core/file_sys/program_metadata.h"
#include "core/hle/kernel/code_set.h"
#include "core/hle/kernel/memory/page_table.h"
#include "core/hle/kernel/k_page_table.h"
#include "core/hle/kernel/process.h"
#include "core/loader/kip.h"
#include "core/memory.h"

2
src/core/loader/nro.cpp
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@ -15,8 +15,8 @@
#include "core/file_sys/romfs_factory.h"
#include "core/file_sys/vfs_offset.h"
#include "core/hle/kernel/code_set.h"
#include "core/hle/kernel/k_page_table.h"
#include "core/hle/kernel/k_thread.h"
#include "core/hle/kernel/memory/page_table.h"
#include "core/hle/kernel/process.h"
#include "core/hle/service/filesystem/filesystem.h"
#include "core/loader/nro.h"

2
src/core/loader/nso.cpp
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@ -15,8 +15,8 @@
#include "core/core.h"
#include "core/file_sys/patch_manager.h"
#include "core/hle/kernel/code_set.h"
#include "core/hle/kernel/k_page_table.h"
#include "core/hle/kernel/k_thread.h"
#include "core/hle/kernel/memory/page_table.h"
#include "core/hle/kernel/process.h"
#include "core/loader/nso.h"
#include "core/memory.h"

2
src/core/memory.cpp
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@ -16,7 +16,7 @@
#include "core/arm/arm_interface.h"
#include "core/core.h"
#include "core/device_memory.h"
#include "core/hle/kernel/memory/page_table.h"
#include "core/hle/kernel/k_page_table.h"
#include "core/hle/kernel/physical_memory.h"
#include "core/hle/kernel/process.h"
#include "core/memory.h"

2
src/core/memory/cheat_engine.cpp
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@ -10,7 +10,7 @@
#include "core/core_timing.h"
#include "core/core_timing_util.h"
#include "core/hardware_properties.h"
#include "core/hle/kernel/memory/page_table.h"
#include "core/hle/kernel/k_page_table.h"
#include "core/hle/kernel/process.h"
#include "core/hle/service/hid/controllers/npad.h"
#include "core/hle/service/hid/hid.h"

2
src/core/reporter.cpp
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@ -17,7 +17,7 @@
#include "core/arm/arm_interface.h"
#include "core/core.h"
#include "core/hle/kernel/hle_ipc.h"
#include "core/hle/kernel/memory/page_table.h"
#include "core/hle/kernel/k_page_table.h"
#include "core/hle/kernel/process.h"
#include "core/hle/result.h"
#include "core/memory.h"

2
src/video_core/memory_manager.cpp
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@ -6,7 +6,7 @@
#include "common/assert.h"
#include "common/logging/log.h"
#include "core/core.h"
#include "core/hle/kernel/memory/page_table.h"
#include "core/hle/kernel/k_page_table.h"
#include "core/hle/kernel/process.h"
#include "core/memory.h"
#include "video_core/gpu.h"