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hle: kernel: Migrate to KMemoryBlock, KMemoryBlockManager, and others.

master
bunnei 2021-02-12 17:02:51 +07:00
parent 9e520e8f12
commit 65e0178cc0
18 changed files with 476 additions and 473 deletions
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8
src/core/CMakeLists.txt
Unescape Escape View File

@ -166,6 +166,9 @@ add_library(core STATIC
hle/kernel/k_light_condition_variable.h
hle/kernel/k_light_lock.cpp
hle/kernel/k_light_lock.h
hle/kernel/k_memory_block.h
hle/kernel/k_memory_block_manager.cpp
hle/kernel/k_memory_block_manager.h
hle/kernel/k_memory_layout.h
hle/kernel/k_page_bitmap.h
hle/kernel/k_priority_queue.h
@ -195,12 +198,9 @@ add_library(core STATIC
hle/kernel/k_writable_event.h
hle/kernel/kernel.cpp
hle/kernel/kernel.h
hle/kernel/memory/memory_block.h
hle/kernel/memory/memory_block_manager.cpp
hle/kernel/memory/memory_block_manager.h
hle/kernel/memory_types.h
hle/kernel/memory/memory_manager.cpp
hle/kernel/memory/memory_manager.h
hle/kernel/memory/memory_types.h
hle/kernel/memory/page_linked_list.h
hle/kernel/memory/page_heap.cpp
hle/kernel/memory/page_heap.h

145
src/core/hle/kernel/memory/memory_block.h → src/core/hle/kernel/k_memory_block.h
Unescape Escape View File

@ -2,20 +2,17 @@
// 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 "common/alignment.h"
#include "common/assert.h"
#include "common/common_types.h"
#include "core/hle/kernel/memory/memory_types.h"
#include "core/hle/kernel/memory_types.h"
#include "core/hle/kernel/svc_types.h"
namespace Kernel::Memory {
namespace Kernel {
enum class MemoryState : u32 {
enum class KMemoryState : u32 {
None = 0,
Mask = 0xFF,
All = ~None,
@ -97,31 +94,31 @@ enum class MemoryState : u32 {
FlagReferenceCounted | FlagCanDebug,
CodeOut = static_cast<u32>(Svc::MemoryState::CodeOut) | FlagMapped | FlagReferenceCounted,
};
DECLARE_ENUM_FLAG_OPERATORS(MemoryState);
DECLARE_ENUM_FLAG_OPERATORS(KMemoryState);
static_assert(static_cast<u32>(MemoryState::Free) == 0x00000000);
static_assert(static_cast<u32>(MemoryState::Io) == 0x00002001);
static_assert(static_cast<u32>(MemoryState::Static) == 0x00042002);
static_assert(static_cast<u32>(MemoryState::Code) == 0x00DC7E03);
static_assert(static_cast<u32>(MemoryState::CodeData) == 0x03FEBD04);
static_assert(static_cast<u32>(MemoryState::Normal) == 0x037EBD05);
static_assert(static_cast<u32>(MemoryState::Shared) == 0x00402006);
static_assert(static_cast<u32>(MemoryState::AliasCode) == 0x00DD7E08);
static_assert(static_cast<u32>(MemoryState::AliasCodeData) == 0x03FFBD09);
static_assert(static_cast<u32>(MemoryState::Ipc) == 0x005C3C0A);
static_assert(static_cast<u32>(MemoryState::Stack) == 0x005C3C0B);
static_assert(static_cast<u32>(MemoryState::ThreadLocal) == 0x0040200C);
static_assert(static_cast<u32>(MemoryState::Transferred) == 0x015C3C0D);
static_assert(static_cast<u32>(MemoryState::SharedTransferred) == 0x005C380E);
static_assert(static_cast<u32>(MemoryState::SharedCode) == 0x0040380F);
static_assert(static_cast<u32>(MemoryState::Inaccessible) == 0x00000010);
static_assert(static_cast<u32>(MemoryState::NonSecureIpc) == 0x005C3811);
static_assert(static_cast<u32>(MemoryState::NonDeviceIpc) == 0x004C2812);
static_assert(static_cast<u32>(MemoryState::Kernel) == 0x00002013);
static_assert(static_cast<u32>(MemoryState::GeneratedCode) == 0x00402214);
static_assert(static_cast<u32>(MemoryState::CodeOut) == 0x00402015);
static_assert(static_cast<u32>(KMemoryState::Free) == 0x00000000);
static_assert(static_cast<u32>(KMemoryState::Io) == 0x00002001);
static_assert(static_cast<u32>(KMemoryState::Static) == 0x00042002);
static_assert(static_cast<u32>(KMemoryState::Code) == 0x00DC7E03);
static_assert(static_cast<u32>(KMemoryState::CodeData) == 0x03FEBD04);
static_assert(static_cast<u32>(KMemoryState::Normal) == 0x037EBD05);
static_assert(static_cast<u32>(KMemoryState::Shared) == 0x00402006);
static_assert(static_cast<u32>(KMemoryState::AliasCode) == 0x00DD7E08);
static_assert(static_cast<u32>(KMemoryState::AliasCodeData) == 0x03FFBD09);
static_assert(static_cast<u32>(KMemoryState::Ipc) == 0x005C3C0A);
static_assert(static_cast<u32>(KMemoryState::Stack) == 0x005C3C0B);
static_assert(static_cast<u32>(KMemoryState::ThreadLocal) == 0x0040200C);
static_assert(static_cast<u32>(KMemoryState::Transferred) == 0x015C3C0D);
static_assert(static_cast<u32>(KMemoryState::SharedTransferred) == 0x005C380E);
static_assert(static_cast<u32>(KMemoryState::SharedCode) == 0x0040380F);
static_assert(static_cast<u32>(KMemoryState::Inaccessible) == 0x00000010);
static_assert(static_cast<u32>(KMemoryState::NonSecureIpc) == 0x005C3811);
static_assert(static_cast<u32>(KMemoryState::NonDeviceIpc) == 0x004C2812);
static_assert(static_cast<u32>(KMemoryState::Kernel) == 0x00002013);
static_assert(static_cast<u32>(KMemoryState::GeneratedCode) == 0x00402214);
static_assert(static_cast<u32>(KMemoryState::CodeOut) == 0x00402015);
enum class MemoryPermission : u8 {
enum class KMemoryPermission : u8 {
None = 0,
Mask = static_cast<u8>(~None),
@ -135,9 +132,9 @@ enum class MemoryPermission : u8 {
UserMask = static_cast<u8>(Svc::MemoryPermission::Read | Svc::MemoryPermission::Write |
Svc::MemoryPermission::Execute),
};
DECLARE_ENUM_FLAG_OPERATORS(MemoryPermission);
DECLARE_ENUM_FLAG_OPERATORS(KMemoryPermission);
enum class MemoryAttribute : u8 {
enum class KMemoryAttribute : u8 {
None = 0x00,
Mask = 0x7F,
All = Mask,
@ -152,18 +149,18 @@ enum class MemoryAttribute : u8 {
LockedAndIpcLocked = Locked | IpcLocked,
DeviceSharedAndUncached = DeviceShared | Uncached
};
DECLARE_ENUM_FLAG_OPERATORS(MemoryAttribute);
DECLARE_ENUM_FLAG_OPERATORS(KMemoryAttribute);
static_assert((static_cast<u8>(MemoryAttribute::Mask) &
static_cast<u8>(MemoryAttribute::DontCareMask)) == 0);
static_assert((static_cast<u8>(KMemoryAttribute::Mask) &
static_cast<u8>(KMemoryAttribute::DontCareMask)) == 0);
struct MemoryInfo {
struct KMemoryInfo {
VAddr addr{};
std::size_t size{};
MemoryState state{};
MemoryPermission perm{};
MemoryAttribute attribute{};
MemoryPermission original_perm{};
KMemoryState state{};
KMemoryPermission perm{};
KMemoryAttribute attribute{};
KMemoryPermission original_perm{};
u16 ipc_lock_count{};
u16 device_use_count{};
@ -171,9 +168,9 @@ struct MemoryInfo {
return {
addr,
size,
static_cast<Svc::MemoryState>(state & MemoryState::Mask),
static_cast<Svc::MemoryAttribute>(attribute & MemoryAttribute::Mask),
static_cast<Svc::MemoryPermission>(perm & MemoryPermission::UserMask),
static_cast<Svc::MemoryState>(state & KMemoryState::Mask),
static_cast<Svc::MemoryAttribute>(attribute & KMemoryAttribute::Mask),
static_cast<Svc::MemoryPermission>(perm & KMemoryPermission::UserMask),
ipc_lock_count,
device_use_count,
};
@ -196,21 +193,21 @@ struct MemoryInfo {
}
};
class MemoryBlock final {
friend class MemoryBlockManager;
class KMemoryBlock final {
friend class KMemoryBlockManager;
private:
VAddr addr{};
std::size_t num_pages{};
MemoryState state{MemoryState::None};
KMemoryState state{KMemoryState::None};
u16 ipc_lock_count{};
u16 device_use_count{};
MemoryPermission perm{MemoryPermission::None};
MemoryPermission original_perm{MemoryPermission::None};
MemoryAttribute attribute{MemoryAttribute::None};
KMemoryPermission perm{KMemoryPermission::None};
KMemoryPermission original_perm{KMemoryPermission::None};
KMemoryAttribute attribute{KMemoryAttribute::None};
public:
static constexpr int Compare(const MemoryBlock& lhs, const MemoryBlock& rhs) {
static constexpr int Compare(const KMemoryBlock& lhs, const KMemoryBlock& rhs) {
if (lhs.GetAddress() < rhs.GetAddress()) {
return -1;
} else if (lhs.GetAddress() <= rhs.GetLastAddress()) {
@ -221,9 +218,9 @@ public:
}
public:
constexpr MemoryBlock() = default;
constexpr MemoryBlock(VAddr addr_, std::size_t num_pages_, MemoryState state_,
MemoryPermission perm_, MemoryAttribute attribute_)
constexpr KMemoryBlock() = default;
constexpr KMemoryBlock(VAddr addr_, std::size_t num_pages_, KMemoryState state_,
KMemoryPermission perm_, KMemoryAttribute attribute_)
: addr{addr_}, num_pages(num_pages_), state{state_}, perm{perm_}, attribute{attribute_} {}
constexpr VAddr GetAddress() const {
@ -246,40 +243,40 @@ public:
return GetEndAddress() - 1;
}
constexpr MemoryInfo GetMemoryInfo() const {
constexpr KMemoryInfo GetMemoryInfo() const {
return {
GetAddress(), GetSize(), state, perm,
attribute, original_perm, ipc_lock_count, device_use_count,
};
}
void ShareToDevice(MemoryPermission /*new_perm*/) {
ASSERT((attribute & MemoryAttribute::DeviceShared) == MemoryAttribute::DeviceShared ||
void ShareToDevice(KMemoryPermission /*new_perm*/) {
ASSERT((attribute & KMemoryAttribute::DeviceShared) == KMemoryAttribute::DeviceShared ||
device_use_count == 0);
attribute |= MemoryAttribute::DeviceShared;
attribute |= KMemoryAttribute::DeviceShared;
const u16 new_use_count{++device_use_count};
ASSERT(new_use_count > 0);
}
void UnshareToDevice(MemoryPermission /*new_perm*/) {
ASSERT((attribute & MemoryAttribute::DeviceShared) == MemoryAttribute::DeviceShared);
void UnshareToDevice(KMemoryPermission /*new_perm*/) {
ASSERT((attribute & KMemoryAttribute::DeviceShared) == KMemoryAttribute::DeviceShared);
const u16 prev_use_count{device_use_count--};
ASSERT(prev_use_count > 0);
if (prev_use_count == 1) {
attribute &= ~MemoryAttribute::DeviceShared;
attribute &= ~KMemoryAttribute::DeviceShared;
}
}
private:
constexpr bool HasProperties(MemoryState s, MemoryPermission p, MemoryAttribute a) const {
constexpr MemoryAttribute AttributeIgnoreMask{MemoryAttribute::DontCareMask |
MemoryAttribute::IpcLocked |
MemoryAttribute::DeviceShared};
constexpr bool HasProperties(KMemoryState s, KMemoryPermission p, KMemoryAttribute a) const {
constexpr KMemoryAttribute AttributeIgnoreMask{KMemoryAttribute::DontCareMask |
KMemoryAttribute::IpcLocked |
KMemoryAttribute::DeviceShared};
return state == s && perm == p &&
(attribute | AttributeIgnoreMask) == (a | AttributeIgnoreMask);
}
constexpr bool HasSameProperties(const MemoryBlock& rhs) const {
constexpr bool HasSameProperties(const KMemoryBlock& rhs) const {
return state == rhs.state && perm == rhs.perm && original_perm == rhs.original_perm &&
attribute == rhs.attribute && ipc_lock_count == rhs.ipc_lock_count &&
device_use_count == rhs.device_use_count;
@ -296,25 +293,25 @@ private:
num_pages += count;
}
constexpr void Update(MemoryState new_state, MemoryPermission new_perm,
MemoryAttribute new_attribute) {
ASSERT(original_perm == MemoryPermission::None);
ASSERT((attribute & MemoryAttribute::IpcLocked) == MemoryAttribute::None);
constexpr void Update(KMemoryState new_state, KMemoryPermission new_perm,
KMemoryAttribute new_attribute) {
ASSERT(original_perm == KMemoryPermission::None);
ASSERT((attribute & KMemoryAttribute::IpcLocked) == KMemoryAttribute::None);
state = new_state;
perm = new_perm;
attribute = static_cast<MemoryAttribute>(
attribute = static_cast<KMemoryAttribute>(
new_attribute |
(attribute & (MemoryAttribute::IpcLocked | MemoryAttribute::DeviceShared)));
(attribute & (KMemoryAttribute::IpcLocked | KMemoryAttribute::DeviceShared)));
}
constexpr MemoryBlock Split(VAddr split_addr) {
constexpr KMemoryBlock Split(VAddr split_addr) {
ASSERT(GetAddress() < split_addr);
ASSERT(Contains(split_addr));
ASSERT(Common::IsAligned(split_addr, PageSize));
MemoryBlock block;
KMemoryBlock block;
block.addr = addr;
block.num_pages = (split_addr - GetAddress()) / PageSize;
block.state = state;
@ -330,6 +327,6 @@ private:
return block;
}
};
static_assert(std::is_trivially_destructible<MemoryBlock>::value);
static_assert(std::is_trivially_destructible<KMemoryBlock>::value);
} // namespace Kernel::Memory
} // namespace Kernel

60
src/core/hle/kernel/memory/memory_block_manager.cpp → src/core/hle/kernel/k_memory_block_manager.cpp
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@ -2,19 +2,19 @@
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include "core/hle/kernel/memory/memory_block_manager.h"
#include "core/hle/kernel/memory/memory_types.h"
#include "core/hle/kernel/k_memory_block_manager.h"
#include "core/hle/kernel/memory_types.h"
namespace Kernel::Memory {
namespace Kernel {
MemoryBlockManager::MemoryBlockManager(VAddr start_addr, VAddr end_addr)
KMemoryBlockManager::KMemoryBlockManager(VAddr start_addr, VAddr end_addr)
: start_addr{start_addr}, end_addr{end_addr} {
const u64 num_pages{(end_addr - start_addr) / PageSize};
memory_block_tree.emplace_back(start_addr, num_pages, MemoryState::Free, MemoryPermission::None,
MemoryAttribute::None);
memory_block_tree.emplace_back(start_addr, num_pages, KMemoryState::Free,
KMemoryPermission::None, KMemoryAttribute::None);
}
MemoryBlockManager::iterator MemoryBlockManager::FindIterator(VAddr addr) {
KMemoryBlockManager::iterator KMemoryBlockManager::FindIterator(VAddr addr) {
auto node{memory_block_tree.begin()};
while (node != end()) {
const VAddr end_addr{node->GetNumPages() * PageSize + node->GetAddress()};
@ -26,9 +26,9 @@ MemoryBlockManager::iterator MemoryBlockManager::FindIterator(VAddr addr) {
return end();
}
VAddr MemoryBlockManager::FindFreeArea(VAddr region_start, std::size_t region_num_pages,
std::size_t num_pages, std::size_t align, std::size_t offset,
std::size_t guard_pages) {
VAddr KMemoryBlockManager::FindFreeArea(VAddr region_start, std::size_t region_num_pages,
std::size_t num_pages, std::size_t align,
std::size_t offset, std::size_t guard_pages) {
if (num_pages == 0) {
return {};
}
@ -41,7 +41,7 @@ VAddr MemoryBlockManager::FindFreeArea(VAddr region_start, std::size_t region_nu
break;
}
if (info.state != MemoryState::Free) {
if (info.state != KMemoryState::Free) {
continue;
}
@ -63,17 +63,17 @@ VAddr MemoryBlockManager::FindFreeArea(VAddr region_start, std::size_t region_nu
return {};
}
void MemoryBlockManager::Update(VAddr addr, std::size_t num_pages, MemoryState prev_state,
MemoryPermission prev_perm, MemoryAttribute prev_attribute,
MemoryState state, MemoryPermission perm,
MemoryAttribute attribute) {
void KMemoryBlockManager::Update(VAddr addr, std::size_t num_pages, KMemoryState prev_state,
KMemoryPermission prev_perm, KMemoryAttribute prev_attribute,
KMemoryState state, KMemoryPermission perm,
KMemoryAttribute attribute) {
const VAddr end_addr{addr + num_pages * PageSize};
iterator node{memory_block_tree.begin()};
prev_attribute |= MemoryAttribute::IpcAndDeviceMapped;
prev_attribute |= KMemoryAttribute::IpcAndDeviceMapped;
while (node != memory_block_tree.end()) {
MemoryBlock* block{&(*node)};
KMemoryBlock* block{&(*node)};
iterator next_node{std::next(node)};
const VAddr cur_addr{block->GetAddress()};
const VAddr cur_end_addr{block->GetNumPages() * PageSize + cur_addr};
@ -106,13 +106,13 @@ void MemoryBlockManager::Update(VAddr addr, std::size_t num_pages, MemoryState p
}
}
void MemoryBlockManager::Update(VAddr addr, std::size_t num_pages, MemoryState state,
MemoryPermission perm, MemoryAttribute attribute) {
void KMemoryBlockManager::Update(VAddr addr, std::size_t num_pages, KMemoryState state,
KMemoryPermission perm, KMemoryAttribute attribute) {
const VAddr end_addr{addr + num_pages * PageSize};
iterator node{memory_block_tree.begin()};
while (node != memory_block_tree.end()) {
MemoryBlock* block{&(*node)};
KMemoryBlock* block{&(*node)};
iterator next_node{std::next(node)};
const VAddr cur_addr{block->GetAddress()};
const VAddr cur_end_addr{block->GetNumPages() * PageSize + cur_addr};
@ -141,13 +141,13 @@ void MemoryBlockManager::Update(VAddr addr, std::size_t num_pages, MemoryState s
}
}
void MemoryBlockManager::UpdateLock(VAddr addr, std::size_t num_pages, LockFunc&& lock_func,
MemoryPermission perm) {
void KMemoryBlockManager::UpdateLock(VAddr addr, std::size_t num_pages, LockFunc&& lock_func,
KMemoryPermission perm) {
const VAddr end_addr{addr + num_pages * PageSize};
iterator node{memory_block_tree.begin()};
while (node != memory_block_tree.end()) {
MemoryBlock* block{&(*node)};
KMemoryBlock* block{&(*node)};
iterator next_node{std::next(node)};
const VAddr cur_addr{block->GetAddress()};
const VAddr cur_end_addr{block->GetNumPages() * PageSize + cur_addr};
@ -176,9 +176,9 @@ void MemoryBlockManager::UpdateLock(VAddr addr, std::size_t num_pages, LockFunc&
}
}
void MemoryBlockManager::IterateForRange(VAddr start, VAddr end, IterateFunc&& func) {
void KMemoryBlockManager::IterateForRange(VAddr start, VAddr end, IterateFunc&& func) {
const_iterator it{FindIterator(start)};
MemoryInfo info{};
KMemoryInfo info{};
do {
info = it->GetMemoryInfo();
func(info);
@ -186,8 +186,8 @@ void MemoryBlockManager::IterateForRange(VAddr start, VAddr end, IterateFunc&& f
} while (info.addr + info.size - 1 < end - 1 && it != cend());
}
void MemoryBlockManager::MergeAdjacent(iterator it, iterator& next_it) {
MemoryBlock* block{&(*it)};
void KMemoryBlockManager::MergeAdjacent(iterator it, iterator& next_it) {
KMemoryBlock* block{&(*it)};
auto EraseIt = [&](const iterator it_to_erase) {
if (next_it == it_to_erase) {
@ -197,7 +197,7 @@ void MemoryBlockManager::MergeAdjacent(iterator it, iterator& next_it) {
};
if (it != memory_block_tree.begin()) {
MemoryBlock* prev{&(*std::prev(it))};
KMemoryBlock* prev{&(*std::prev(it))};
if (block->HasSameProperties(*prev)) {
const iterator prev_it{std::prev(it)};
@ -211,7 +211,7 @@ void MemoryBlockManager::MergeAdjacent(iterator it, iterator& next_it) {
}
if (it != cend()) {
const MemoryBlock* const next{&(*std::next(it))};
const KMemoryBlock* const next{&(*std::next(it))};
if (block->HasSameProperties(*next)) {
block->Add(next->GetNumPages());
@ -220,4 +220,4 @@ void MemoryBlockManager::MergeAdjacent(iterator it, iterator& next_it) {
}
}
} // namespace Kernel::Memory
} // namespace Kernel

33
src/core/hle/kernel/memory/memory_block_manager.h → src/core/hle/kernel/k_memory_block_manager.h
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@ -8,18 +8,18 @@
#include <list>
#include "common/common_types.h"
#include "core/hle/kernel/memory/memory_block.h"
#include "core/hle/kernel/k_memory_block.h"
namespace Kernel::Memory {
namespace Kernel {
class MemoryBlockManager final {
class KMemoryBlockManager final {
public:
using MemoryBlockTree = std::list<MemoryBlock>;
using MemoryBlockTree = std::list<KMemoryBlock>;
using iterator = MemoryBlockTree::iterator;
using const_iterator = MemoryBlockTree::const_iterator;
public:
MemoryBlockManager(VAddr start_addr, VAddr end_addr);
KMemoryBlockManager(VAddr start_addr, VAddr end_addr);
iterator end() {
return memory_block_tree.end();
@ -36,21 +36,22 @@ public:
VAddr FindFreeArea(VAddr region_start, std::size_t region_num_pages, std::size_t num_pages,
std::size_t align, std::size_t offset, std::size_t guard_pages);
void Update(VAddr addr, std::size_t num_pages, MemoryState prev_state,
MemoryPermission prev_perm, MemoryAttribute prev_attribute, MemoryState state,
MemoryPermission perm, MemoryAttribute attribute);
void Update(VAddr addr, std::size_t num_pages, KMemoryState prev_state,
KMemoryPermission prev_perm, KMemoryAttribute prev_attribute, KMemoryState state,
KMemoryPermission perm, KMemoryAttribute attribute);
void Update(VAddr addr, std::size_t num_pages, MemoryState state,
MemoryPermission perm = MemoryPermission::None,
MemoryAttribute attribute = MemoryAttribute::None);
void Update(VAddr addr, std::size_t num_pages, KMemoryState state,
KMemoryPermission perm = KMemoryPermission::None,
KMemoryAttribute attribute = KMemoryAttribute::None);
using LockFunc = std::function<void(iterator, MemoryPermission)>;
void UpdateLock(VAddr addr, std::size_t num_pages, LockFunc&& lock_func, MemoryPermission perm);
using LockFunc = std::function<void(iterator, KMemoryPermission)>;
void UpdateLock(VAddr addr, std::size_t num_pages, LockFunc&& lock_func,
KMemoryPermission perm);
using IterateFunc = std::function<void(const MemoryInfo&)>;
using IterateFunc = std::function<void(const KMemoryInfo&)>;
void IterateForRange(VAddr start, VAddr end, IterateFunc&& func);
MemoryBlock& FindBlock(VAddr addr) {
KMemoryBlock& FindBlock(VAddr addr) {
return *FindIterator(addr);
}
@ -63,4 +64,4 @@ private:
MemoryBlockTree memory_block_tree;
};
} // namespace Kernel::Memory
} // namespace Kernel

12
src/core/hle/kernel/k_shared_memory.cpp
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@ -20,8 +20,8 @@ KSharedMemory::~KSharedMemory() {
std::shared_ptr<KSharedMemory> KSharedMemory::Create(
KernelCore& kernel, Core::DeviceMemory& device_memory, Process* owner_process,
Memory::PageLinkedList&& page_list, Memory::MemoryPermission owner_permission,
Memory::MemoryPermission user_permission, PAddr physical_address, std::size_t size,
Memory::PageLinkedList&& page_list, KMemoryPermission owner_permission,
KMemoryPermission user_permission, PAddr physical_address, std::size_t size,
std::string name) {
const auto resource_limit = kernel.GetSystemResourceLimit();
@ -45,21 +45,21 @@ std::shared_ptr<KSharedMemory> KSharedMemory::Create(
}
ResultCode KSharedMemory::Map(Process& target_process, VAddr address, std::size_t size,
Memory::MemoryPermission permissions) {
const u64 page_count{(size + Memory::PageSize - 1) / Memory::PageSize};
KMemoryPermission permissions) {
const u64 page_count{(size + PageSize - 1) / PageSize};
if (page_list.GetNumPages() != page_count) {
UNIMPLEMENTED_MSG("Page count does not match");
}
const Memory::MemoryPermission expected =
const KMemoryPermission expected =
&target_process == owner_process ? owner_permission : user_permission;
if (permissions != expected) {
UNIMPLEMENTED_MSG("Permission does not match");
}
return target_process.PageTable().MapPages(address, page_list, Memory::MemoryState::Shared,
return target_process.PageTable().MapPages(address, page_list, KMemoryState::Shared,
permissions);
}

12
src/core/hle/kernel/k_shared_memory.h
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@ -9,7 +9,7 @@
#include "common/common_types.h"
#include "core/device_memory.h"
#include "core/hle/kernel/memory/memory_block.h"
#include "core/hle/kernel/k_memory_block.h"
#include "core/hle/kernel/memory/page_linked_list.h"
#include "core/hle/kernel/object.h"
#include "core/hle/kernel/process.h"
@ -26,8 +26,8 @@ public:
static std::shared_ptr<KSharedMemory> Create(
KernelCore& kernel, Core::DeviceMemory& device_memory, Process* owner_process,
Memory::PageLinkedList&& page_list, Memory::MemoryPermission owner_permission,
Memory::MemoryPermission user_permission, PAddr physical_address, std::size_t size,
Memory::PageLinkedList&& page_list, KMemoryPermission owner_permission,
KMemoryPermission user_permission, PAddr physical_address, std::size_t size,
std::string name);
std::string GetTypeName() const override {
@ -51,7 +51,7 @@ public:
* @param permissions Memory block map permissions (specified by SVC field)
*/
ResultCode Map(Process& target_process, VAddr address, std::size_t size,
Memory::MemoryPermission permissions);
KMemoryPermission permissions);
/**
* Gets a pointer to the shared memory block
@ -77,8 +77,8 @@ private:
Core::DeviceMemory& device_memory;
Process* owner_process{};
Memory::PageLinkedList page_list;
Memory::MemoryPermission owner_permission{};
Memory::MemoryPermission user_permission{};
KMemoryPermission owner_permission{};
KMemoryPermission user_permission{};
PAddr physical_address{};
std::size_t size{};
std::string name;

32
src/core/hle/kernel/kernel.cpp
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@ -289,24 +289,24 @@ struct KernelCore::Impl {
layout.System().EndAddress());
hid_shared_mem = Kernel::KSharedMemory::Create(
system.Kernel(), system.DeviceMemory(), nullptr,
{hid_addr, hid_size / Memory::PageSize}, Memory::MemoryPermission::None,
Memory::MemoryPermission::Read, hid_addr, hid_size, "HID:SharedMemory");
system.Kernel(), system.DeviceMemory(), nullptr, {hid_addr, hid_size / PageSize},
KMemoryPermission::None, KMemoryPermission::Read, hid_addr, hid_size,
"HID:SharedMemory");
font_shared_mem = Kernel::KSharedMemory::Create(
system.Kernel(), system.DeviceMemory(), nullptr,
{font_pa, font_size / Memory::PageSize}, Memory::MemoryPermission::None,
Memory::MemoryPermission::Read, font_pa, font_size, "Font:SharedMemory");
system.Kernel(), system.DeviceMemory(), nullptr, {font_pa, font_size / PageSize},
KMemoryPermission::None, KMemoryPermission::Read, font_pa, font_size,
"Font:SharedMemory");
irs_shared_mem = Kernel::KSharedMemory::Create(
system.Kernel(), system.DeviceMemory(), nullptr,
{irs_addr, irs_size / Memory::PageSize}, Memory::MemoryPermission::None,
Memory::MemoryPermission::Read, irs_addr, irs_size, "IRS:SharedMemory");
system.Kernel(), system.DeviceMemory(), nullptr, {irs_addr, irs_size / PageSize},
KMemoryPermission::None, KMemoryPermission::Read, irs_addr, irs_size,
"IRS:SharedMemory");
time_shared_mem = Kernel::KSharedMemory::Create(
system.Kernel(), system.DeviceMemory(), nullptr,
{time_addr, time_size / Memory::PageSize}, Memory::MemoryPermission::None,
Memory::MemoryPermission::Read, time_addr, time_size, "Time:SharedMemory");
system.Kernel(), system.DeviceMemory(), nullptr, {time_addr, time_size / PageSize},
KMemoryPermission::None, KMemoryPermission::Read, time_addr, time_size,
"Time:SharedMemory");
// Allocate slab heaps
user_slab_heap_pages = std::make_unique<KSlabHeap<Memory::Page>>();
user_slab_heap_pages = std::make_unique<KSlabHeap<Page>>();
constexpr u64 user_slab_heap_size{0x1ef000};
// Reserve slab heaps
@ -349,7 +349,7 @@ struct KernelCore::Impl {
// Kernel memory management
std::unique_ptr<Memory::MemoryManager> memory_manager;
std::unique_ptr<KSlabHeap<Memory::Page>> user_slab_heap_pages;
std::unique_ptr<KSlabHeap<Page>> user_slab_heap_pages;
// Shared memory for services
std::shared_ptr<Kernel::KSharedMemory> hid_shared_mem;
@ -581,11 +581,11 @@ const Memory::MemoryManager& KernelCore::MemoryManager() const {
return *impl->memory_manager;
}
KSlabHeap<Memory::Page>& KernelCore::GetUserSlabHeapPages() {
KSlabHeap<Page>& KernelCore::GetUserSlabHeapPages() {
return *impl->user_slab_heap_pages;
}
const KSlabHeap<Memory::Page>& KernelCore::GetUserSlabHeapPages() const {
const KSlabHeap<Page>& KernelCore::GetUserSlabHeapPages() const {
return *impl->user_slab_heap_pages;
}

6
src/core/hle/kernel/kernel.h
Unescape Escape View File

@ -11,7 +11,7 @@
#include <vector>
#include "core/arm/cpu_interrupt_handler.h"
#include "core/hardware_properties.h"
#include "core/hle/kernel/memory/memory_types.h"
#include "core/hle/kernel/memory_types.h"
#include "core/hle/kernel/object.h"
namespace Core {
@ -186,10 +186,10 @@ public:
const Memory::MemoryManager& MemoryManager() const;
/// Gets the slab heap allocated for user space pages.
KSlabHeap<Memory::Page>& GetUserSlabHeapPages();
KSlabHeap<Page>& GetUserSlabHeapPages();
/// Gets the slab heap allocated for user space pages.
const KSlabHeap<Memory::Page>& GetUserSlabHeapPages() const;
const KSlabHeap<Page>& GetUserSlabHeapPages() const;
/// Gets the shared memory object for HID services.
Kernel::KSharedMemory& GetHidSharedMem();

2
src/core/hle/kernel/memory/page_heap.h
Unescape Escape View File

@ -16,7 +16,7 @@
#include "common/common_funcs.h"
#include "common/common_types.h"
#include "core/hle/kernel/k_page_bitmap.h"
#include "core/hle/kernel/memory/memory_types.h"
#include "core/hle/kernel/memory_types.h"
namespace Kernel::Memory {

2
src/core/hle/kernel/memory/page_linked_list.h
Unescape Escape View File

@ -8,7 +8,7 @@
#include "common/assert.h"
#include "common/common_types.h"
#include "core/hle/kernel/memory/memory_types.h"
#include "core/hle/kernel/memory_types.h"
#include "core/hle/result.h"
namespace Kernel::Memory {

454
src/core/hle/kernel/memory/page_table.cpp
Unescape Escape View File

@ -7,12 +7,12 @@
#include "common/scope_exit.h"
#include "core/core.h"
#include "core/hle/kernel/k_address_space_info.h"
#include "core/hle/kernel/k_memory_block.h"
#include "core/hle/kernel/k_memory_block_manager.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/memory_block.h"
#include "core/hle/kernel/memory/memory_block_manager.h"
#include "core/hle/kernel/memory/page_linked_list.h"
#include "core/hle/kernel/memory/page_table.h"
#include "core/hle/kernel/process.h"
@ -38,14 +38,14 @@ constexpr std::size_t GetAddressSpaceWidthFromType(FileSys::ProgramAddressSpaceT
}
}
constexpr u64 GetAddressInRange(const MemoryInfo& info, VAddr addr) {
constexpr u64 GetAddressInRange(const KMemoryInfo& info, VAddr addr) {
if (info.GetAddress() < addr) {
return addr;
}
return info.GetAddress();
}
constexpr std::size_t GetSizeInRange(const MemoryInfo& info, VAddr start, VAddr end) {
constexpr std::size_t GetSizeInRange(const KMemoryInfo& info, VAddr start, VAddr end) {
std::size_t size{info.GetSize()};
if (info.GetAddress() < start) {
size -= start - info.GetAddress();
@ -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, MemoryState state,
MemoryPermission perm) {
ResultCode PageTable::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};
@ -300,12 +300,12 @@ ResultCode PageTable::MapProcessCodeMemory(VAddr dst_addr, VAddr src_addr, std::
const std::size_t num_pages{size / PageSize};
MemoryState state{};
MemoryPermission perm{};
CASCADE_CODE(CheckMemoryState(&state, &perm, nullptr, src_addr, size, MemoryState::All,
MemoryState::Normal, MemoryPermission::Mask,
MemoryPermission::ReadAndWrite, MemoryAttribute::Mask,
MemoryAttribute::None, MemoryAttribute::IpcAndDeviceMapped));
KMemoryState state{};
KMemoryPermission perm{};
CASCADE_CODE(CheckMemoryState(&state, &perm, nullptr, src_addr, size, KMemoryState::All,
KMemoryState::Normal, KMemoryPermission::Mask,
KMemoryPermission::ReadAndWrite, KMemoryAttribute::Mask,
KMemoryAttribute::None, KMemoryAttribute::IpcAndDeviceMapped));
if (IsRegionMapped(dst_addr, size)) {
return ResultInvalidCurrentMemory;
@ -318,16 +318,16 @@ ResultCode PageTable::MapProcessCodeMemory(VAddr dst_addr, VAddr src_addr, std::
auto block_guard = detail::ScopeExit(
[&] { Operate(src_addr, num_pages, perm, OperationType::ChangePermissions); });
CASCADE_CODE(
Operate(src_addr, num_pages, MemoryPermission::None, OperationType::ChangePermissions));
CASCADE_CODE(MapPages(dst_addr, page_linked_list, MemoryPermission::None));
CASCADE_CODE(Operate(src_addr, num_pages, KMemoryPermission::None,
OperationType::ChangePermissions));
CASCADE_CODE(MapPages(dst_addr, page_linked_list, KMemoryPermission::None));
block_guard.Cancel();
}
block_manager->Update(src_addr, num_pages, state, MemoryPermission::None,
MemoryAttribute::Locked);
block_manager->Update(dst_addr, num_pages, MemoryState::AliasCode);
block_manager->Update(src_addr, num_pages, state, KMemoryPermission::None,
KMemoryAttribute::Locked);
block_manager->Update(dst_addr, num_pages, KMemoryState::AliasCode);
return RESULT_SUCCESS;
}
@ -341,23 +341,24 @@ ResultCode PageTable::UnmapProcessCodeMemory(VAddr dst_addr, VAddr src_addr, std
const std::size_t num_pages{size / PageSize};
CASCADE_CODE(CheckMemoryState(nullptr, nullptr, nullptr, src_addr, size, MemoryState::All,
MemoryState::Normal, MemoryPermission::None,
MemoryPermission::None, MemoryAttribute::Mask,
MemoryAttribute::Locked, MemoryAttribute::IpcAndDeviceMapped));
CASCADE_CODE(CheckMemoryState(nullptr, nullptr, nullptr, src_addr, size, KMemoryState::All,
KMemoryState::Normal, KMemoryPermission::None,
KMemoryPermission::None, KMemoryAttribute::Mask,
KMemoryAttribute::Locked, KMemoryAttribute::IpcAndDeviceMapped));
MemoryState state{};
KMemoryState state{};
CASCADE_CODE(CheckMemoryState(
&state, nullptr, nullptr, dst_addr, PageSize, MemoryState::FlagCanCodeAlias,
MemoryState::FlagCanCodeAlias, MemoryPermission::None, MemoryPermission::None,
MemoryAttribute::Mask, MemoryAttribute::None, MemoryAttribute::IpcAndDeviceMapped));
CASCADE_CODE(CheckMemoryState(dst_addr, size, MemoryState::All, state, MemoryPermission::None,
MemoryPermission::None, MemoryAttribute::Mask,
MemoryAttribute::None));
CASCADE_CODE(Operate(dst_addr, num_pages, MemoryPermission::None, OperationType::Unmap));
&state, nullptr, nullptr, dst_addr, PageSize, KMemoryState::FlagCanCodeAlias,
KMemoryState::FlagCanCodeAlias, KMemoryPermission::None, KMemoryPermission::None,
KMemoryAttribute::Mask, KMemoryAttribute::None, KMemoryAttribute::IpcAndDeviceMapped));
CASCADE_CODE(CheckMemoryState(dst_addr, size, KMemoryState::All, state, KMemoryPermission::None,
KMemoryPermission::None, KMemoryAttribute::Mask,
KMemoryAttribute::None));
CASCADE_CODE(Operate(dst_addr, num_pages, KMemoryPermission::None, OperationType::Unmap));
block_manager->Update(dst_addr, num_pages, MemoryState::Free);
block_manager->Update(src_addr, num_pages, MemoryState::Normal, MemoryPermission::ReadAndWrite);
block_manager->Update(dst_addr, num_pages, KMemoryState::Free);
block_manager->Update(src_addr, num_pages, KMemoryState::Normal,
KMemoryPermission::ReadAndWrite);
return RESULT_SUCCESS;
}
@ -367,8 +368,8 @@ void PageTable::MapPhysicalMemory(PageLinkedList& page_linked_list, VAddr start,
PAddr map_addr{node->GetAddress()};
std::size_t src_num_pages{node->GetNumPages()};
block_manager->IterateForRange(start, end, [&](const MemoryInfo& info) {
if (info.state != MemoryState::Free) {
block_manager->IterateForRange(start, end, [&](const KMemoryInfo& info) {
if (info.state != KMemoryState::Free) {
return;
}
@ -383,7 +384,7 @@ void PageTable::MapPhysicalMemory(PageLinkedList& page_linked_list, VAddr start,
}
const std::size_t num_pages{std::min(src_num_pages, dst_num_pages)};
Operate(dst_addr, num_pages, MemoryPermission::ReadAndWrite, OperationType::Map,
Operate(dst_addr, num_pages, KMemoryPermission::ReadAndWrite, OperationType::Map,
map_addr);
dst_addr += num_pages * PageSize;
@ -400,8 +401,8 @@ ResultCode PageTable::MapPhysicalMemory(VAddr addr, std::size_t size) {
std::size_t mapped_size{};
const VAddr end_addr{addr + size};
block_manager->IterateForRange(addr, end_addr, [&](const MemoryInfo& info) {
if (info.state != MemoryState::Free) {
block_manager->IterateForRange(addr, end_addr, [&](const KMemoryInfo& info) {
if (info.state != KMemoryState::Free) {
mapped_size += GetSizeInRange(info, addr, end_addr);
}
});
@ -435,9 +436,9 @@ ResultCode PageTable::MapPhysicalMemory(VAddr addr, std::size_t size) {
physical_memory_usage += remaining_size;
const std::size_t num_pages{size / PageSize};
block_manager->Update(addr, num_pages, MemoryState::Free, MemoryPermission::None,
MemoryAttribute::None, MemoryState::Normal,
MemoryPermission::ReadAndWrite, MemoryAttribute::None);
block_manager->Update(addr, num_pages, KMemoryState::Free, KMemoryPermission::None,
KMemoryAttribute::None, KMemoryState::Normal,
KMemoryPermission::ReadAndWrite, KMemoryAttribute::None);
return RESULT_SUCCESS;
}
@ -450,14 +451,14 @@ ResultCode PageTable::UnmapPhysicalMemory(VAddr addr, std::size_t size) {
std::size_t mapped_size{};
// Verify that the region can be unmapped
block_manager->IterateForRange(addr, end_addr, [&](const MemoryInfo& info) {
if (info.state == MemoryState::Normal) {
if (info.attribute != MemoryAttribute::None) {
block_manager->IterateForRange(addr, end_addr, [&](const KMemoryInfo& info) {
if (info.state == KMemoryState::Normal) {
if (info.attribute != KMemoryAttribute::None) {
result = ResultInvalidCurrentMemory;
return;
}
mapped_size += GetSizeInRange(info, addr, end_addr);
} else if (info.state != MemoryState::Free) {
} else if (info.state != KMemoryState::Free) {
result = ResultInvalidCurrentMemory;
}
});
@ -487,15 +488,15 @@ ResultCode PageTable::UnmapMemory(VAddr addr, std::size_t size) {
PageLinkedList page_linked_list;
// Unmap each region within the range
block_manager->IterateForRange(addr, end_addr, [&](const MemoryInfo& info) {
if (info.state == MemoryState::Normal) {
block_manager->IterateForRange(addr, end_addr, [&](const KMemoryInfo& info) {
if (info.state == KMemoryState::Normal) {
const std::size_t block_size{GetSizeInRange(info, addr, end_addr)};
const std::size_t block_num_pages{block_size / PageSize};
const VAddr block_addr{GetAddressInRange(info, addr)};
AddRegionToPages(block_addr, block_size / PageSize, page_linked_list);
if (result = Operate(block_addr, block_num_pages, MemoryPermission::None,
if (result = Operate(block_addr, block_num_pages, KMemoryPermission::None,
OperationType::Unmap);
result.IsError()) {
return;
@ -510,7 +511,7 @@ ResultCode PageTable::UnmapMemory(VAddr addr, std::size_t size) {
const std::size_t num_pages{size / PageSize};
system.Kernel().MemoryManager().Free(page_linked_list, num_pages, memory_pool);
block_manager->Update(addr, num_pages, MemoryState::Free);
block_manager->Update(addr, num_pages, KMemoryState::Free);
return RESULT_SUCCESS;
}
@ -518,11 +519,11 @@ ResultCode PageTable::UnmapMemory(VAddr addr, std::size_t size) {
ResultCode PageTable::Map(VAddr dst_addr, VAddr src_addr, std::size_t size) {
std::lock_guard lock{page_table_lock};
MemoryState src_state{};
KMemoryState src_state{};
CASCADE_CODE(CheckMemoryState(
&src_state, nullptr, nullptr, src_addr, size, MemoryState::FlagCanAlias,
MemoryState::FlagCanAlias, MemoryPermission::Mask, MemoryPermission::ReadAndWrite,
MemoryAttribute::Mask, MemoryAttribute::None, MemoryAttribute::IpcAndDeviceMapped));
&src_state, nullptr, nullptr, src_addr, size, KMemoryState::FlagCanAlias,
KMemoryState::FlagCanAlias, KMemoryPermission::Mask, KMemoryPermission::ReadAndWrite,
KMemoryAttribute::Mask, KMemoryAttribute::None, KMemoryAttribute::IpcAndDeviceMapped));
if (IsRegionMapped(dst_addr, size)) {
return ResultInvalidCurrentMemory;
@ -535,20 +536,21 @@ ResultCode PageTable::Map(VAddr dst_addr, VAddr src_addr, std::size_t size) {
{
auto block_guard = detail::ScopeExit([&] {
Operate(src_addr, num_pages, MemoryPermission::ReadAndWrite,
Operate(src_addr, num_pages, KMemoryPermission::ReadAndWrite,
OperationType::ChangePermissions);
});
CASCADE_CODE(
Operate(src_addr, num_pages, MemoryPermission::None, OperationType::ChangePermissions));
CASCADE_CODE(MapPages(dst_addr, page_linked_list, MemoryPermission::ReadAndWrite));
CASCADE_CODE(Operate(src_addr, num_pages, KMemoryPermission::None,
OperationType::ChangePermissions));
CASCADE_CODE(MapPages(dst_addr, page_linked_list, KMemoryPermission::ReadAndWrite));
block_guard.Cancel();
}
block_manager->Update(src_addr, num_pages, src_state, MemoryPermission::None,
MemoryAttribute::Locked);
block_manager->Update(dst_addr, num_pages, MemoryState::Stack, MemoryPermission::ReadAndWrite);
block_manager->Update(src_addr, num_pages, src_state, KMemoryPermission::None,
KMemoryAttribute::Locked);
block_manager->Update(dst_addr, num_pages, KMemoryState::Stack,
KMemoryPermission::ReadAndWrite);
return RESULT_SUCCESS;
}
@ -556,17 +558,17 @@ ResultCode PageTable::Map(VAddr dst_addr, VAddr src_addr, std::size_t size) {
ResultCode PageTable::Unmap(VAddr dst_addr, VAddr src_addr, std::size_t size) {
std::lock_guard lock{page_table_lock};
MemoryState src_state{};
KMemoryState src_state{};
CASCADE_CODE(CheckMemoryState(
&src_state, nullptr, nullptr, src_addr, size, MemoryState::FlagCanAlias,
MemoryState::FlagCanAlias, MemoryPermission::Mask, MemoryPermission::None,
MemoryAttribute::Mask, MemoryAttribute::Locked, MemoryAttribute::IpcAndDeviceMapped));
&src_state, nullptr, nullptr, src_addr, size, KMemoryState::FlagCanAlias,
KMemoryState::FlagCanAlias, KMemoryPermission::Mask, KMemoryPermission::None,
KMemoryAttribute::Mask, KMemoryAttribute::Locked, KMemoryAttribute::IpcAndDeviceMapped));
MemoryPermission dst_perm{};
CASCADE_CODE(CheckMemoryState(nullptr, &dst_perm, nullptr, dst_addr, size, MemoryState::All,
MemoryState::Stack, MemoryPermission::None,
MemoryPermission::None, MemoryAttribute::Mask,
MemoryAttribute::None, MemoryAttribute::IpcAndDeviceMapped));
KMemoryPermission dst_perm{};
CASCADE_CODE(CheckMemoryState(nullptr, &dst_perm, nullptr, dst_addr, size, KMemoryState::All,
KMemoryState::Stack, KMemoryPermission::None,
KMemoryPermission::None, KMemoryAttribute::Mask,
KMemoryAttribute::None, KMemoryAttribute::IpcAndDeviceMapped));
PageLinkedList src_pages;
PageLinkedList dst_pages;
@ -582,21 +584,21 @@ ResultCode PageTable::Unmap(VAddr dst_addr, VAddr src_addr, std::size_t size) {
{
auto block_guard = detail::ScopeExit([&] { MapPages(dst_addr, dst_pages, dst_perm); });
CASCADE_CODE(Operate(dst_addr, num_pages, MemoryPermission::None, OperationType::Unmap));
CASCADE_CODE(Operate(src_addr, num_pages, MemoryPermission::ReadAndWrite,
CASCADE_CODE(Operate(dst_addr, num_pages, KMemoryPermission::None, OperationType::Unmap));
CASCADE_CODE(Operate(src_addr, num_pages, KMemoryPermission::ReadAndWrite,
OperationType::ChangePermissions));
block_guard.Cancel();
}
block_manager->Update(src_addr, num_pages, src_state, MemoryPermission::ReadAndWrite);
block_manager->Update(dst_addr, num_pages, MemoryState::Free);
block_manager->Update(src_addr, num_pages, src_state, KMemoryPermission::ReadAndWrite);
block_manager->Update(dst_addr, num_pages, KMemoryState::Free);
return RESULT_SUCCESS;
}
ResultCode PageTable::MapPages(VAddr addr, const PageLinkedList& page_linked_list,
MemoryPermission perm) {
KMemoryPermission perm) {
VAddr cur_addr{addr};
for (const auto& node : page_linked_list.Nodes()) {
@ -605,8 +607,8 @@ ResultCode PageTable::MapPages(VAddr addr, const PageLinkedList& page_linked_lis
result.IsError()) {
const std::size_t num_pages{(addr - cur_addr) / PageSize};
ASSERT(
Operate(addr, num_pages, MemoryPermission::None, OperationType::Unmap).IsSuccess());
ASSERT(Operate(addr, num_pages, KMemoryPermission::None, OperationType::Unmap)
.IsSuccess());
return result;
}
@ -617,8 +619,8 @@ ResultCode PageTable::MapPages(VAddr addr, const PageLinkedList& page_linked_lis
return RESULT_SUCCESS;
}
ResultCode PageTable::MapPages(VAddr addr, PageLinkedList& page_linked_list, MemoryState state,
MemoryPermission perm) {
ResultCode PageTable::MapPages(VAddr addr, PageLinkedList& page_linked_list, KMemoryState state,
KMemoryPermission perm) {
std::lock_guard lock{page_table_lock};
const std::size_t num_pages{page_linked_list.GetNumPages()};
@ -639,26 +641,27 @@ ResultCode PageTable::MapPages(VAddr addr, PageLinkedList& page_linked_list, Mem
return RESULT_SUCCESS;
}
ResultCode PageTable::SetCodeMemoryPermission(VAddr addr, std::size_t size, MemoryPermission perm) {
ResultCode PageTable::SetCodeMemoryPermission(VAddr addr, std::size_t size,
KMemoryPermission perm) {
std::lock_guard lock{page_table_lock};
MemoryState prev_state{};
MemoryPermission prev_perm{};
KMemoryState prev_state{};
KMemoryPermission prev_perm{};
CASCADE_CODE(CheckMemoryState(
&prev_state, &prev_perm, nullptr, addr, size, MemoryState::FlagCode, MemoryState::FlagCode,
MemoryPermission::None, MemoryPermission::None, MemoryAttribute::Mask,
MemoryAttribute::None, MemoryAttribute::IpcAndDeviceMapped));
&prev_state, &prev_perm, nullptr, addr, size, KMemoryState::FlagCode,
KMemoryState::FlagCode, KMemoryPermission::None, KMemoryPermission::None,
KMemoryAttribute::Mask, KMemoryAttribute::None, KMemoryAttribute::IpcAndDeviceMapped));
MemoryState state{prev_state};
KMemoryState state{prev_state};
// Ensure state is mutable if permission allows write
if ((perm & MemoryPermission::Write) != MemoryPermission::None) {
if (prev_state == MemoryState::Code) {
state = MemoryState::CodeData;
} else if (prev_state == MemoryState::AliasCode) {
state = MemoryState::AliasCodeData;
if ((perm & KMemoryPermission::Write) != KMemoryPermission::None) {
if (prev_state == KMemoryState::Code) {
state = KMemoryState::CodeData;
} else if (prev_state == KMemoryState::AliasCode) {
state = KMemoryState::AliasCodeData;
} else {
UNREACHABLE();
}
@ -669,13 +672,13 @@ ResultCode PageTable::SetCodeMemoryPermission(VAddr addr, std::size_t size, Memo
return RESULT_SUCCESS;
}
if ((prev_perm & MemoryPermission::Execute) != (perm & MemoryPermission::Execute)) {
if ((prev_perm & KMemoryPermission::Execute) != (perm & KMemoryPermission::Execute)) {
// Memory execution state is changing, invalidate CPU cache range
system.InvalidateCpuInstructionCacheRange(addr, size);
}
const std::size_t num_pages{size / PageSize};
const OperationType operation{(perm & MemoryPermission::Execute) != MemoryPermission::None
const OperationType operation{(perm & KMemoryPermission::Execute) != KMemoryPermission::None
? OperationType::ChangePermissionsAndRefresh
: OperationType::ChangePermissions};
@ -686,35 +689,35 @@ ResultCode PageTable::SetCodeMemoryPermission(VAddr addr, std::size_t size, Memo
return RESULT_SUCCESS;
}
MemoryInfo PageTable::QueryInfoImpl(VAddr addr) {
KMemoryInfo PageTable::QueryInfoImpl(VAddr addr) {
std::lock_guard lock{page_table_lock};
return block_manager->FindBlock(addr).GetMemoryInfo();
}
MemoryInfo PageTable::QueryInfo(VAddr addr) {
KMemoryInfo PageTable::QueryInfo(VAddr addr) {
if (!Contains(addr, 1)) {
return {address_space_end, 0 - address_space_end, MemoryState::Inaccessible,
MemoryPermission::None, MemoryAttribute::None, MemoryPermission::None};
return {address_space_end, 0 - address_space_end, KMemoryState::Inaccessible,
KMemoryPermission::None, KMemoryAttribute::None, KMemoryPermission::None};
}
return QueryInfoImpl(addr);
}
ResultCode PageTable::ReserveTransferMemory(VAddr addr, std::size_t size, MemoryPermission perm) {
ResultCode PageTable::ReserveTransferMemory(VAddr addr, std::size_t size, KMemoryPermission perm) {
std::lock_guard lock{page_table_lock};
MemoryState state{};
MemoryAttribute attribute{};
KMemoryState state{};
KMemoryAttribute attribute{};
CASCADE_CODE(CheckMemoryState(&state, nullptr, &attribute, addr, size,
MemoryState::FlagCanTransfer | MemoryState::FlagReferenceCounted,
MemoryState::FlagCanTransfer | MemoryState::FlagReferenceCounted,
MemoryPermission::Mask, MemoryPermission::ReadAndWrite,
MemoryAttribute::Mask, MemoryAttribute::None,
MemoryAttribute::IpcAndDeviceMapped));
CASCADE_CODE(CheckMemoryState(
&state, nullptr, &attribute, addr, size,
KMemoryState::FlagCanTransfer | KMemoryState::FlagReferenceCounted,
KMemoryState::FlagCanTransfer | KMemoryState::FlagReferenceCounted, KMemoryPermission::Mask,
KMemoryPermission::ReadAndWrite, KMemoryAttribute::Mask, KMemoryAttribute::None,
KMemoryAttribute::IpcAndDeviceMapped));
block_manager->Update(addr, size / PageSize, state, perm, attribute | MemoryAttribute::Locked);
block_manager->Update(addr, size / PageSize, state, perm, attribute | KMemoryAttribute::Locked);
return RESULT_SUCCESS;
}
@ -722,33 +725,33 @@ ResultCode PageTable::ReserveTransferMemory(VAddr addr, std::size_t size, Memory
ResultCode PageTable::ResetTransferMemory(VAddr addr, std::size_t size) {
std::lock_guard lock{page_table_lock};
MemoryState state{};
KMemoryState state{};
CASCADE_CODE(CheckMemoryState(&state, nullptr, nullptr, addr, size,
MemoryState::FlagCanTransfer | MemoryState::FlagReferenceCounted,
MemoryState::FlagCanTransfer | MemoryState::FlagReferenceCounted,
MemoryPermission::None, MemoryPermission::None,
MemoryAttribute::Mask, MemoryAttribute::Locked,
MemoryAttribute::IpcAndDeviceMapped));
CASCADE_CODE(
CheckMemoryState(&state, nullptr, nullptr, addr, size,
KMemoryState::FlagCanTransfer | KMemoryState::FlagReferenceCounted,
KMemoryState::FlagCanTransfer | KMemoryState::FlagReferenceCounted,
KMemoryPermission::None, KMemoryPermission::None, KMemoryAttribute::Mask,
KMemoryAttribute::Locked, KMemoryAttribute::IpcAndDeviceMapped));
block_manager->Update(addr, size / PageSize, state, MemoryPermission::ReadAndWrite);
block_manager->Update(addr, size / PageSize, state, KMemoryPermission::ReadAndWrite);
return RESULT_SUCCESS;
}
ResultCode PageTable::SetMemoryAttribute(VAddr addr, std::size_t size, MemoryAttribute mask,
MemoryAttribute value) {
ResultCode PageTable::SetMemoryAttribute(VAddr addr, std::size_t size, KMemoryAttribute mask,
KMemoryAttribute value) {
std::lock_guard lock{page_table_lock};
MemoryState state{};
MemoryPermission perm{};
MemoryAttribute attribute{};
KMemoryState state{};
KMemoryPermission perm{};
KMemoryAttribute attribute{};
CASCADE_CODE(CheckMemoryState(&state, &perm, &attribute, addr, size,
MemoryState::FlagCanChangeAttribute,
MemoryState::FlagCanChangeAttribute, MemoryPermission::None,
MemoryPermission::None, MemoryAttribute::LockedAndIpcLocked,
MemoryAttribute::None, MemoryAttribute::DeviceSharedAndUncached));
CASCADE_CODE(CheckMemoryState(
&state, &perm, &attribute, addr, size, KMemoryState::FlagCanChangeAttribute,
KMemoryState::FlagCanChangeAttribute, KMemoryPermission::None, KMemoryPermission::None,
KMemoryAttribute::LockedAndIpcLocked, KMemoryAttribute::None,
KMemoryAttribute::DeviceSharedAndUncached));
attribute = attribute & ~mask;
attribute = attribute | (mask & value);
@ -806,8 +809,8 @@ ResultVal<VAddr> PageTable::SetHeapSize(std::size_t size) {
// Succeeded in allocation, commit the resource reservation
memory_reservation.Commit();
block_manager->Update(current_heap_addr, num_pages, MemoryState::Normal,
MemoryPermission::ReadAndWrite);
block_manager->Update(current_heap_addr, num_pages, KMemoryState::Normal,
KMemoryPermission::ReadAndWrite);
current_heap_addr = heap_region_start + size;
}
@ -817,8 +820,8 @@ ResultVal<VAddr> PageTable::SetHeapSize(std::size_t size) {
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, MemoryState state,
MemoryPermission perm, PAddr map_addr) {
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)) {
@ -852,19 +855,19 @@ ResultVal<VAddr> PageTable::AllocateAndMapMemory(std::size_t needed_num_pages, s
ResultCode PageTable::LockForDeviceAddressSpace(VAddr addr, std::size_t size) {
std::lock_guard lock{page_table_lock};
MemoryPermission perm{};
KMemoryPermission perm{};
if (const ResultCode result{CheckMemoryState(
nullptr, &perm, nullptr, addr, size, MemoryState::FlagCanChangeAttribute,
MemoryState::FlagCanChangeAttribute, MemoryPermission::None, MemoryPermission::None,
MemoryAttribute::LockedAndIpcLocked, MemoryAttribute::None,
MemoryAttribute::DeviceSharedAndUncached)};
nullptr, &perm, nullptr, addr, size, KMemoryState::FlagCanChangeAttribute,
KMemoryState::FlagCanChangeAttribute, KMemoryPermission::None, KMemoryPermission::None,
KMemoryAttribute::LockedAndIpcLocked, KMemoryAttribute::None,
KMemoryAttribute::DeviceSharedAndUncached)};
result.IsError()) {
return result;
}
block_manager->UpdateLock(
addr, size / PageSize,
[](MemoryBlockManager::iterator block, MemoryPermission perm) {
[](KMemoryBlockManager::iterator block, KMemoryPermission perm) {
block->ShareToDevice(perm);
},
perm);
@ -875,19 +878,19 @@ ResultCode PageTable::LockForDeviceAddressSpace(VAddr addr, std::size_t size) {
ResultCode PageTable::UnlockForDeviceAddressSpace(VAddr addr, std::size_t size) {
std::lock_guard lock{page_table_lock};
MemoryPermission perm{};
KMemoryPermission perm{};
if (const ResultCode result{CheckMemoryState(
nullptr, &perm, nullptr, addr, size, MemoryState::FlagCanChangeAttribute,
MemoryState::FlagCanChangeAttribute, MemoryPermission::None, MemoryPermission::None,
MemoryAttribute::LockedAndIpcLocked, MemoryAttribute::None,
MemoryAttribute::DeviceSharedAndUncached)};
nullptr, &perm, nullptr, addr, size, KMemoryState::FlagCanChangeAttribute,
KMemoryState::FlagCanChangeAttribute, KMemoryPermission::None, KMemoryPermission::None,
KMemoryAttribute::LockedAndIpcLocked, KMemoryAttribute::None,
KMemoryAttribute::DeviceSharedAndUncached)};
result.IsError()) {
return result;
}
block_manager->UpdateLock(
addr, size / PageSize,
[](MemoryBlockManager::iterator block, MemoryPermission perm) {
[](KMemoryBlockManager::iterator block, KMemoryPermission perm) {
block->UnshareToDevice(perm);
},
perm);
@ -896,15 +899,16 @@ ResultCode PageTable::UnlockForDeviceAddressSpace(VAddr addr, std::size_t size)
}
ResultCode PageTable::InitializeMemoryLayout(VAddr start, VAddr end) {
block_manager = std::make_unique<MemoryBlockManager>(start, end);
block_manager = std::make_unique<KMemoryBlockManager>(start, end);
return RESULT_SUCCESS;
}
bool PageTable::IsRegionMapped(VAddr address, u64 size) {
return CheckMemoryState(address, size, MemoryState::All, MemoryState::Free,
MemoryPermission::Mask, MemoryPermission::None, MemoryAttribute::Mask,
MemoryAttribute::None, MemoryAttribute::IpcAndDeviceMapped)
return CheckMemoryState(address, size, KMemoryState::All, KMemoryState::Free,
KMemoryPermission::Mask, KMemoryPermission::None,
KMemoryAttribute::Mask, KMemoryAttribute::None,
KMemoryAttribute::IpcAndDeviceMapped)
.IsError();
}
@ -966,7 +970,7 @@ ResultCode PageTable::Operate(VAddr addr, std::size_t num_pages, const PageLinke
return RESULT_SUCCESS;
}
ResultCode PageTable::Operate(VAddr addr, std::size_t num_pages, MemoryPermission perm,
ResultCode PageTable::Operate(VAddr addr, std::size_t num_pages, KMemoryPermission perm,
OperationType operation, PAddr map_addr) {
std::lock_guard lock{page_table_lock};
@ -993,34 +997,34 @@ ResultCode PageTable::Operate(VAddr addr, std::size_t num_pages, MemoryPermissio
return RESULT_SUCCESS;
}
constexpr VAddr PageTable::GetRegionAddress(MemoryState state) const {
constexpr VAddr PageTable::GetRegionAddress(KMemoryState state) const {
switch (state) {
case MemoryState::Free:
case MemoryState::Kernel:
case KMemoryState::Free:
case KMemoryState::Kernel:
return address_space_start;
case MemoryState::Normal:
case KMemoryState::Normal:
return heap_region_start;
case MemoryState::Ipc:
case MemoryState::NonSecureIpc:
case MemoryState::NonDeviceIpc:
case KMemoryState::Ipc:
case KMemoryState::NonSecureIpc:
case KMemoryState::NonDeviceIpc:
return alias_region_start;
case MemoryState::Stack:
case KMemoryState::Stack:
return stack_region_start;
case MemoryState::Io:
case MemoryState::Static:
case MemoryState::ThreadLocal:
case KMemoryState::Io:
case KMemoryState::Static:
case KMemoryState::ThreadLocal:
return kernel_map_region_start;
case MemoryState::Shared:
case MemoryState::AliasCode:
case MemoryState::AliasCodeData:
case MemoryState::Transferred:
case MemoryState::SharedTransferred:
case MemoryState::SharedCode:
case MemoryState::GeneratedCode:
case MemoryState::CodeOut:
case KMemoryState::Shared:
case KMemoryState::AliasCode:
case KMemoryState::AliasCodeData:
case KMemoryState::Transferred:
case KMemoryState::SharedTransferred:
case KMemoryState::SharedCode:
case KMemoryState::GeneratedCode:
case KMemoryState::CodeOut:
return alias_code_region_start;
case MemoryState::Code:
case MemoryState::CodeData:
case KMemoryState::Code:
case KMemoryState::CodeData:
return code_region_start;
default:
UNREACHABLE();
@ -1028,34 +1032,34 @@ constexpr VAddr PageTable::GetRegionAddress(MemoryState state) const {
}
}
constexpr std::size_t PageTable::GetRegionSize(MemoryState state) const {
constexpr std::size_t PageTable::GetRegionSize(KMemoryState state) const {
switch (state) {
case MemoryState::Free:
case MemoryState::Kernel:
case KMemoryState::Free:
case KMemoryState::Kernel:
return address_space_end - address_space_start;
case MemoryState::Normal:
case KMemoryState::Normal:
return heap_region_end - heap_region_start;
case MemoryState::Ipc:
case MemoryState::NonSecureIpc:
case MemoryState::NonDeviceIpc:
case KMemoryState::Ipc:
case KMemoryState::NonSecureIpc:
case KMemoryState::NonDeviceIpc:
return alias_region_end - alias_region_start;
case MemoryState::Stack:
case KMemoryState::Stack:
return stack_region_end - stack_region_start;
case MemoryState::Io:
case MemoryState::Static:
case MemoryState::ThreadLocal:
case KMemoryState::Io:
case KMemoryState::Static:
case KMemoryState::ThreadLocal:
return kernel_map_region_end - kernel_map_region_start;
case MemoryState::Shared:
case MemoryState::AliasCode:
case MemoryState::AliasCodeData:
case MemoryState::Transferred:
case MemoryState::SharedTransferred:
case MemoryState::SharedCode:
case MemoryState::GeneratedCode:
case MemoryState::CodeOut:
case KMemoryState::Shared:
case KMemoryState::AliasCode:
case KMemoryState::AliasCodeData:
case KMemoryState::Transferred:
case KMemoryState::SharedTransferred:
case KMemoryState::SharedCode:
case KMemoryState::GeneratedCode:
case KMemoryState::CodeOut:
return alias_code_region_end - alias_code_region_start;
case MemoryState::Code:
case MemoryState::CodeData:
case KMemoryState::Code:
case KMemoryState::CodeData:
return code_region_end - code_region_start;
default:
UNREACHABLE();
@ -1063,7 +1067,7 @@ constexpr std::size_t PageTable::GetRegionSize(MemoryState state) const {
}
}
constexpr bool PageTable::CanContain(VAddr addr, std::size_t size, MemoryState state) const {
constexpr bool PageTable::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)};
@ -1074,30 +1078,30 @@ constexpr bool PageTable::CanContain(VAddr addr, std::size_t size, MemoryState s
const bool is_in_alias{!(end <= alias_region_start || alias_region_end <= addr)};
switch (state) {
case MemoryState::Free:
case MemoryState::Kernel:
case KMemoryState::Free:
case KMemoryState::Kernel:
return is_in_region;
case MemoryState::Io:
case MemoryState::Static:
case MemoryState::Code:
case MemoryState::CodeData:
case MemoryState::Shared:
case MemoryState::AliasCode:
case MemoryState::AliasCodeData:
case MemoryState::Stack:
case MemoryState::ThreadLocal:
case MemoryState::Transferred:
case MemoryState::SharedTransferred:
case MemoryState::SharedCode:
case MemoryState::GeneratedCode:
case MemoryState::CodeOut:
case KMemoryState::Io:
case KMemoryState::Static:
case KMemoryState::Code:
case KMemoryState::CodeData:
case KMemoryState::Shared:
case KMemoryState::AliasCode:
case KMemoryState::AliasCodeData:
case KMemoryState::Stack:
case KMemoryState::ThreadLocal:
case KMemoryState::Transferred:
case KMemoryState::SharedTransferred:
case KMemoryState::SharedCode:
case KMemoryState::GeneratedCode:
case KMemoryState::CodeOut:
return is_in_region && !is_in_heap && !is_in_alias;
case MemoryState::Normal:
case KMemoryState::Normal:
ASSERT(is_in_heap);
return is_in_region && !is_in_alias;
case MemoryState::Ipc:
case MemoryState::NonSecureIpc:
case MemoryState::NonDeviceIpc:
case KMemoryState::Ipc:
case KMemoryState::NonSecureIpc:
case KMemoryState::NonDeviceIpc:
ASSERT(is_in_alias);
return is_in_region && !is_in_heap;
default:
@ -1105,10 +1109,10 @@ constexpr bool PageTable::CanContain(VAddr addr, std::size_t size, MemoryState s
}
}
constexpr ResultCode PageTable::CheckMemoryState(const MemoryInfo& info, MemoryState state_mask,
MemoryState state, MemoryPermission perm_mask,
MemoryPermission perm, MemoryAttribute attr_mask,
MemoryAttribute attr) const {
constexpr ResultCode PageTable::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;
@ -1123,23 +1127,23 @@ constexpr ResultCode PageTable::CheckMemoryState(const MemoryInfo& info, MemoryS
return RESULT_SUCCESS;
}
ResultCode PageTable::CheckMemoryState(MemoryState* out_state, MemoryPermission* out_perm,
MemoryAttribute* out_attr, VAddr addr, std::size_t size,
MemoryState state_mask, MemoryState state,
MemoryPermission perm_mask, MemoryPermission perm,
MemoryAttribute attr_mask, MemoryAttribute attr,
MemoryAttribute ignore_attr) {
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) {
std::lock_guard lock{page_table_lock};
// Get information about the first block
const VAddr last_addr{addr + size - 1};
MemoryBlockManager::const_iterator it{block_manager->FindIterator(addr)};
MemoryInfo info{it->GetMemoryInfo()};
KMemoryBlockManager::const_iterator it{block_manager->FindIterator(addr)};
KMemoryInfo info{it->GetMemoryInfo()};
// Validate all blocks in the range have correct state
const MemoryState first_state{info.state};
const MemoryPermission first_perm{info.perm};
const MemoryAttribute first_attr{info.attribute};
const KMemoryState first_state{info.state};
const KMemoryPermission first_perm{info.perm};
const KMemoryAttribute first_attr{info.attribute};
while (true) {
// Validate the current block
@ -1149,8 +1153,8 @@ ResultCode PageTable::CheckMemoryState(MemoryState* out_state, MemoryPermission*
if (!(info.perm == first_perm)) {
return ResultInvalidCurrentMemory;
}
if (!((info.attribute | static_cast<MemoryAttribute>(ignore_attr)) ==
(first_attr | static_cast<MemoryAttribute>(ignore_attr)))) {
if (!((info.attribute | static_cast<KMemoryAttribute>(ignore_attr)) ==
(first_attr | static_cast<KMemoryAttribute>(ignore_attr)))) {
return ResultInvalidCurrentMemory;
}
@ -1176,7 +1180,7 @@ ResultCode PageTable::CheckMemoryState(MemoryState* out_state, MemoryPermission*
*out_perm = first_perm;
}
if (out_attr) {
*out_attr = first_attr & static_cast<MemoryAttribute>(~ignore_attr);
*out_attr = first_attr & static_cast<KMemoryAttribute>(~ignore_attr);
}
return RESULT_SUCCESS;

81
src/core/hle/kernel/memory/page_table.h
Unescape Escape View File

@ -10,7 +10,7 @@
#include "common/common_types.h"
#include "common/page_table.h"
#include "core/file_sys/program_metadata.h"
#include "core/hle/kernel/memory/memory_block.h"
#include "core/hle/kernel/k_memory_block.h"
#include "core/hle/kernel/memory/memory_manager.h"
#include "core/hle/result.h"
@ -18,9 +18,11 @@ namespace Core {
class System;
}
namespace Kernel::Memory {
namespace Kernel {
class KMemoryBlockManager;
}
class MemoryBlockManager;
namespace Kernel::Memory {
class PageTable final : NonCopyable {
public:
@ -29,8 +31,8 @@ public:
ResultCode InitializeForProcess(FileSys::ProgramAddressSpaceType as_type, bool enable_aslr,
VAddr code_addr, std::size_t code_size,
Memory::MemoryManager::Pool pool);
ResultCode MapProcessCode(VAddr addr, std::size_t pages_count, MemoryState state,
MemoryPermission perm);
ResultCode MapProcessCode(VAddr addr, std::size_t pages_count, KMemoryState state,
KMemoryPermission perm);
ResultCode MapProcessCodeMemory(VAddr dst_addr, VAddr src_addr, std::size_t size);
ResultCode UnmapProcessCodeMemory(VAddr dst_addr, VAddr src_addr, std::size_t size);
ResultCode MapPhysicalMemory(VAddr addr, std::size_t size);
@ -38,20 +40,20 @@ public:
ResultCode UnmapMemory(VAddr addr, std::size_t size);
ResultCode Map(VAddr dst_addr, VAddr src_addr, std::size_t size);
ResultCode Unmap(VAddr dst_addr, VAddr src_addr, std::size_t size);
ResultCode MapPages(VAddr addr, PageLinkedList& page_linked_list, MemoryState state,
MemoryPermission perm);
ResultCode SetCodeMemoryPermission(VAddr addr, std::size_t size, MemoryPermission perm);
MemoryInfo QueryInfo(VAddr addr);
ResultCode ReserveTransferMemory(VAddr addr, std::size_t size, MemoryPermission perm);
ResultCode MapPages(VAddr addr, PageLinkedList& page_linked_list, KMemoryState state,
KMemoryPermission perm);
ResultCode SetCodeMemoryPermission(VAddr addr, std::size_t size, KMemoryPermission perm);
KMemoryInfo QueryInfo(VAddr addr);
ResultCode ReserveTransferMemory(VAddr addr, std::size_t size, KMemoryPermission perm);
ResultCode ResetTransferMemory(VAddr addr, std::size_t size);
ResultCode SetMemoryAttribute(VAddr addr, std::size_t size, MemoryAttribute mask,
MemoryAttribute value);
ResultCode SetMemoryAttribute(VAddr addr, std::size_t size, KMemoryAttribute mask,
KMemoryAttribute value);
ResultCode SetHeapCapacity(std::size_t new_heap_capacity);
ResultVal<VAddr> SetHeapSize(std::size_t size);
ResultVal<VAddr> AllocateAndMapMemory(std::size_t needed_num_pages, std::size_t align,
bool is_map_only, VAddr region_start,
std::size_t region_num_pages, MemoryState state,
MemoryPermission perm, PAddr map_addr = 0);
std::size_t region_num_pages, KMemoryState state,
KMemoryPermission perm, PAddr map_addr = 0);
ResultCode LockForDeviceAddressSpace(VAddr addr, std::size_t size);
ResultCode UnlockForDeviceAddressSpace(VAddr addr, std::size_t size);
@ -72,47 +74,48 @@ private:
ChangePermissionsAndRefresh,
};
static constexpr MemoryAttribute DefaultMemoryIgnoreAttr =
MemoryAttribute::DontCareMask | MemoryAttribute::IpcLocked | MemoryAttribute::DeviceShared;
static constexpr KMemoryAttribute DefaultMemoryIgnoreAttr = KMemoryAttribute::DontCareMask |
KMemoryAttribute::IpcLocked |
KMemoryAttribute::DeviceShared;
ResultCode InitializeMemoryLayout(VAddr start, VAddr end);
ResultCode MapPages(VAddr addr, const PageLinkedList& page_linked_list, MemoryPermission perm);
ResultCode MapPages(VAddr addr, const PageLinkedList& page_linked_list, KMemoryPermission perm);
void MapPhysicalMemory(PageLinkedList& page_linked_list, VAddr start, VAddr end);
bool IsRegionMapped(VAddr address, u64 size);
bool IsRegionContiguous(VAddr addr, u64 size) const;
void AddRegionToPages(VAddr start, std::size_t num_pages, PageLinkedList& page_linked_list);
MemoryInfo QueryInfoImpl(VAddr addr);
KMemoryInfo QueryInfoImpl(VAddr addr);
VAddr AllocateVirtualMemory(VAddr start, std::size_t region_num_pages, u64 needed_num_pages,
std::size_t align);
ResultCode Operate(VAddr addr, std::size_t num_pages, const PageLinkedList& page_group,
OperationType operation);
ResultCode Operate(VAddr addr, std::size_t num_pages, MemoryPermission perm,
ResultCode Operate(VAddr addr, std::size_t num_pages, KMemoryPermission perm,
OperationType operation, PAddr map_addr = 0);
constexpr VAddr GetRegionAddress(MemoryState state) const;
constexpr std::size_t GetRegionSize(MemoryState state) const;
constexpr bool CanContain(VAddr addr, std::size_t size, MemoryState state) const;
constexpr VAddr GetRegionAddress(KMemoryState state) const;
constexpr std::size_t GetRegionSize(KMemoryState state) const;
constexpr bool CanContain(VAddr addr, std::size_t size, KMemoryState state) const;
constexpr ResultCode CheckMemoryState(const MemoryInfo& info, MemoryState state_mask,
MemoryState state, MemoryPermission perm_mask,
MemoryPermission perm, MemoryAttribute attr_mask,
MemoryAttribute attr) const;
ResultCode CheckMemoryState(MemoryState* out_state, MemoryPermission* out_perm,
MemoryAttribute* out_attr, VAddr addr, std::size_t size,
MemoryState state_mask, MemoryState state,
MemoryPermission perm_mask, MemoryPermission perm,
MemoryAttribute attr_mask, MemoryAttribute attr,
MemoryAttribute ignore_attr = DefaultMemoryIgnoreAttr);
ResultCode CheckMemoryState(VAddr addr, std::size_t size, MemoryState state_mask,
MemoryState state, MemoryPermission perm_mask,
MemoryPermission perm, MemoryAttribute attr_mask,
MemoryAttribute attr,
MemoryAttribute ignore_attr = DefaultMemoryIgnoreAttr) {
constexpr ResultCode CheckMemoryState(const KMemoryInfo& info, KMemoryState state_mask,
KMemoryState state, KMemoryPermission perm_mask,
KMemoryPermission perm, KMemoryAttribute attr_mask,
KMemoryAttribute attr) const;
ResultCode 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 = DefaultMemoryIgnoreAttr);
ResultCode CheckMemoryState(VAddr addr, std::size_t size, KMemoryState state_mask,
KMemoryState state, KMemoryPermission perm_mask,
KMemoryPermission perm, KMemoryAttribute attr_mask,
KMemoryAttribute attr,
KMemoryAttribute ignore_attr = DefaultMemoryIgnoreAttr) {
return CheckMemoryState(nullptr, nullptr, nullptr, addr, size, state_mask, state, perm_mask,
perm, attr_mask, attr, ignore_attr);
}
std::recursive_mutex page_table_lock;
std::unique_ptr<MemoryBlockManager> block_manager;
std::unique_ptr<KMemoryBlockManager> block_manager;
public:
constexpr VAddr GetAddressSpaceStart() const {
@ -212,7 +215,7 @@ public:
return !IsOutsideASLRRegion(address, size);
}
constexpr PAddr GetPhysicalAddr(VAddr addr) {
return page_table_impl.backing_addr[addr >> Memory::PageBits] + addr;
return page_table_impl.backing_addr[addr >> PageBits] + addr;
}
private:

4
src/core/hle/kernel/memory/memory_types.h → src/core/hle/kernel/memory_types.h
Unescape Escape View File

@ -8,11 +8,11 @@
#include "common/common_types.h"
namespace Kernel::Memory {
namespace Kernel {
constexpr std::size_t PageBits{12};
constexpr std::size_t PageSize{1 << PageBits};
using Page = std::array<u8, PageSize>;
} // namespace Kernel::Memory
} // namespace Kernel

41
src/core/hle/kernel/process.cpp
Unescape Escape View File

@ -14,14 +14,14 @@
#include "core/device_memory.h"
#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_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/memory_block_manager.h"
#include "core/hle/kernel/memory/page_table.h"
#include "core/hle/kernel/memory/slab_heap.h"
#include "core/hle/kernel/process.h"
#include "core/hle/kernel/svc_results.h"
#include "core/hle/lock.h"
@ -291,9 +291,9 @@ ResultCode Process::LoadFromMetadata(const FileSys::ProgramMetadata& metadata,
}
// Map process code region
if (const ResultCode result{page_table->MapProcessCode(
page_table->GetCodeRegionStart(), code_size / Memory::PageSize,
Memory::MemoryState::Code, Memory::MemoryPermission::None)};
if (const ResultCode result{page_table->MapProcessCode(page_table->GetCodeRegionStart(),
code_size / PageSize, KMemoryState::Code,
KMemoryPermission::None)};
result.IsError()) {
return result;
}
@ -400,22 +400,22 @@ VAddr Process::CreateTLSRegion() {
return *tls_page_iter->ReserveSlot();
}
Memory::Page* const tls_page_ptr{kernel.GetUserSlabHeapPages().Allocate()};
Page* const tls_page_ptr{kernel.GetUserSlabHeapPages().Allocate()};
ASSERT(tls_page_ptr);
const VAddr start{page_table->GetKernelMapRegionStart()};
const VAddr size{page_table->GetKernelMapRegionEnd() - start};
const PAddr tls_map_addr{system.DeviceMemory().GetPhysicalAddr(tls_page_ptr)};
const VAddr tls_page_addr{
page_table
->AllocateAndMapMemory(1, Memory::PageSize, true, start, size / Memory::PageSize,
Memory::MemoryState::ThreadLocal,
Memory::MemoryPermission::ReadAndWrite, tls_map_addr)
.ValueOr(0)};
const VAddr tls_page_addr{page_table
->AllocateAndMapMemory(1, PageSize, true, start, size / PageSize,
KMemoryState::ThreadLocal,
KMemoryPermission::ReadAndWrite,
tls_map_addr)
.ValueOr(0)};
ASSERT(tls_page_addr);
std::memset(tls_page_ptr, 0, Memory::PageSize);
std::memset(tls_page_ptr, 0, PageSize);
tls_pages.emplace_back(tls_page_addr);
const auto reserve_result{tls_pages.back().ReserveSlot()};
@ -442,15 +442,15 @@ void Process::FreeTLSRegion(VAddr tls_address) {
void Process::LoadModule(CodeSet code_set, VAddr base_addr) {
std::lock_guard lock{HLE::g_hle_lock};
const auto ReprotectSegment = [&](const CodeSet::Segment& segment,
Memory::MemoryPermission permission) {
KMemoryPermission permission) {
page_table->SetCodeMemoryPermission(segment.addr + base_addr, segment.size, permission);
};
system.Memory().WriteBlock(*this, base_addr, code_set.memory.data(), code_set.memory.size());
ReprotectSegment(code_set.CodeSegment(), Memory::MemoryPermission::ReadAndExecute);
ReprotectSegment(code_set.RODataSegment(), Memory::MemoryPermission::Read);
ReprotectSegment(code_set.DataSegment(), Memory::MemoryPermission::ReadAndWrite);
ReprotectSegment(code_set.CodeSegment(), KMemoryPermission::ReadAndExecute);
ReprotectSegment(code_set.RODataSegment(), KMemoryPermission::Read);
ReprotectSegment(code_set.DataSegment(), KMemoryPermission::ReadAndWrite);
}
bool Process::IsSignaled() const {
@ -479,16 +479,15 @@ ResultCode Process::AllocateMainThreadStack(std::size_t stack_size) {
ASSERT(stack_size);
// The kernel always ensures that the given stack size is page aligned.
main_thread_stack_size = Common::AlignUp(stack_size, Memory::PageSize);
main_thread_stack_size = Common::AlignUp(stack_size, PageSize);
const VAddr start{page_table->GetStackRegionStart()};
const std::size_t size{page_table->GetStackRegionEnd() - start};
CASCADE_RESULT(main_thread_stack_top,
page_table->AllocateAndMapMemory(
main_thread_stack_size / Memory::PageSize, Memory::PageSize, false, start,
size / Memory::PageSize, Memory::MemoryState::Stack,
Memory::MemoryPermission::ReadAndWrite));
main_thread_stack_size / PageSize, PageSize, false, start, size / PageSize,
KMemoryState::Stack, KMemoryPermission::ReadAndWrite));
main_thread_stack_top += main_thread_stack_size;

28
src/core/hle/kernel/svc.cpp
Unescape Escape View File

@ -27,6 +27,7 @@
#include "core/hle/kernel/k_address_arbiter.h"
#include "core/hle/kernel/k_condition_variable.h"
#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_readable_event.h"
#include "core/hle/kernel/k_resource_limit.h"
@ -38,7 +39,6 @@
#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/memory_block.h"
#include "core/hle/kernel/memory/page_table.h"
#include "core/hle/kernel/physical_core.h"
#include "core/hle/kernel/process.h"
@ -230,9 +230,9 @@ static ResultCode SetMemoryAttribute(Core::System& system, VAddr address, u64 si
return ResultInvalidCurrentMemory;
}
const auto attributes{static_cast<Memory::MemoryAttribute>(mask | attribute)};
if (attributes != static_cast<Memory::MemoryAttribute>(mask) ||
(attributes | Memory::MemoryAttribute::Uncached) != Memory::MemoryAttribute::Uncached) {
const auto attributes{static_cast<MemoryAttribute>(mask | attribute)};
if (attributes != static_cast<MemoryAttribute>(mask) ||
(attributes | MemoryAttribute::Uncached) != MemoryAttribute::Uncached) {
LOG_ERROR(Kernel_SVC,
"Memory attribute doesn't match the given mask (Attribute: 0x{:X}, Mask: {:X}",
attribute, mask);
@ -241,8 +241,8 @@ static ResultCode SetMemoryAttribute(Core::System& system, VAddr address, u64 si
auto& page_table{system.Kernel().CurrentProcess()->PageTable()};
return page_table.SetMemoryAttribute(address, size, static_cast<Memory::MemoryAttribute>(mask),
static_cast<Memory::MemoryAttribute>(attribute));
return page_table.SetMemoryAttribute(address, size, static_cast<KMemoryAttribute>(mask),
static_cast<KMemoryAttribute>(attribute));
}
static ResultCode SetMemoryAttribute32(Core::System& system, u32 address, u32 size, u32 mask,
@ -1231,9 +1231,8 @@ static ResultCode MapSharedMemory(Core::System& system, Handle shared_memory_han
return ResultInvalidCurrentMemory;
}
const auto permission_type = static_cast<Memory::MemoryPermission>(permissions);
if ((permission_type | Memory::MemoryPermission::Write) !=
Memory::MemoryPermission::ReadAndWrite) {
const auto permission_type = static_cast<MemoryPermission>(permissions);
if ((permission_type | MemoryPermission::Write) != MemoryPermission::ReadWrite) {
LOG_ERROR(Kernel_SVC, "Expected Read or ReadWrite permission but got permissions=0x{:08X}",
permissions);
return ResultInvalidMemoryPermissions;
@ -1273,7 +1272,8 @@ static ResultCode MapSharedMemory(Core::System& system, Handle shared_memory_han
return ResultInvalidHandle;
}
return shared_memory->Map(*current_process, addr, size, permission_type);
return shared_memory->Map(*current_process, addr, size,
static_cast<KMemoryPermission>(permission_type));
}
static ResultCode MapSharedMemory32(Core::System& system, Handle shared_memory_handle, u32 addr,
@ -1886,9 +1886,8 @@ static ResultCode CreateTransferMemory(Core::System& system, Handle* handle, VAd
return ResultInvalidCurrentMemory;
}
const auto perms{static_cast<Memory::MemoryPermission>(permissions)};
if (perms > Memory::MemoryPermission::ReadAndWrite ||
perms == Memory::MemoryPermission::Write) {
const auto perms{static_cast<MemoryPermission>(permissions)};
if (perms > MemoryPermission::ReadWrite || perms == MemoryPermission::Write) {
LOG_ERROR(Kernel_SVC, "Invalid memory permissions for transfer memory! (perms={:08X})",
permissions);
return ResultInvalidMemoryPermissions;
@ -1902,7 +1901,8 @@ static ResultCode CreateTransferMemory(Core::System& system, Handle* handle, VAd
LOG_ERROR(Kernel_SVC, "Could not reserve a new transfer memory");
return ResultResourceLimitedExceeded;
}
auto transfer_mem_handle = TransferMemory::Create(kernel, system.Memory(), addr, size, perms);
auto transfer_mem_handle = TransferMemory::Create(kernel, system.Memory(), addr, size,
static_cast<KMemoryPermission>(perms));
if (const auto reserve_result{transfer_mem_handle->Reserve()}; reserve_result.IsError()) {
return reserve_result;

2
src/core/hle/kernel/transfer_memory.cpp
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@ -24,7 +24,7 @@ TransferMemory::~TransferMemory() {
std::shared_ptr<TransferMemory> TransferMemory::Create(KernelCore& kernel,
Core::Memory::Memory& memory,
VAddr base_address, std::size_t size,
Memory::MemoryPermission permissions) {
KMemoryPermission permissions) {
std::shared_ptr<TransferMemory> transfer_memory{
std::make_shared<TransferMemory>(kernel, memory)};

6
src/core/hle/kernel/transfer_memory.h
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@ -6,7 +6,7 @@
#include <memory>
#include "core/hle/kernel/memory/memory_block.h"
#include "core/hle/kernel/k_memory_block.h"
#include "core/hle/kernel/object.h"
#include "core/hle/kernel/physical_memory.h"
@ -36,7 +36,7 @@ public:
static std::shared_ptr<TransferMemory> Create(KernelCore& kernel, Core::Memory::Memory& memory,
VAddr base_address, std::size_t size,
Memory::MemoryPermission permissions);
KMemoryPermission permissions);
TransferMemory(const TransferMemory&) = delete;
TransferMemory& operator=(const TransferMemory&) = delete;
@ -82,7 +82,7 @@ private:
std::size_t size{};
/// The memory permissions that are applied to this instance.
Memory::MemoryPermission owner_permissions{};
KMemoryPermission owner_permissions{};
/// The process that this transfer memory instance was created under.
Process* owner_process{};

21
src/core/hle/service/ldr/ldr.cpp
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@ -289,10 +289,10 @@ public:
bool ValidateRegionForMap(Kernel::Memory::PageTable& page_table, VAddr start,
std::size_t size) const {
constexpr std::size_t padding_size{4 * Kernel::Memory::PageSize};
constexpr std::size_t padding_size{4 * Kernel::PageSize};
const auto start_info{page_table.QueryInfo(start - 1)};
if (start_info.state != Kernel::Memory::MemoryState::Free) {
if (start_info.state != Kernel::KMemoryState::Free) {
return {};
}
@ -302,7 +302,7 @@ public:
const auto end_info{page_table.QueryInfo(start + size)};
if (end_info.state != Kernel::Memory::MemoryState::Free) {
if (end_info.state != Kernel::KMemoryState::Free) {
return {};
}
@ -312,11 +312,10 @@ public:
VAddr GetRandomMapRegion(const Kernel::Memory::PageTable& page_table, std::size_t size) const {
VAddr addr{};
const std::size_t end_pages{(page_table.GetAliasCodeRegionSize() - size) >>
Kernel::Memory::PageBits};
Kernel::PageBits};
do {
addr = page_table.GetAliasCodeRegionStart() +
(Kernel::KSystemControl::GenerateRandomRange(0, end_pages)
<< Kernel::Memory::PageBits);
(Kernel::KSystemControl::GenerateRandomRange(0, end_pages) << Kernel::PageBits);
} while (!page_table.IsInsideAddressSpace(addr, size) ||
page_table.IsInsideHeapRegion(addr, size) ||
page_table.IsInsideAliasRegion(addr, size));
@ -387,7 +386,7 @@ public:
const VAddr data_start{start + nro_header.segment_headers[DATA_INDEX].memory_offset};
const VAddr bss_start{data_start + nro_header.segment_headers[DATA_INDEX].memory_size};
const VAddr bss_end_addr{
Common::AlignUp(bss_start + nro_header.bss_size, Kernel::Memory::PageSize)};
Common::AlignUp(bss_start + nro_header.bss_size, Kernel::PageSize)};
auto CopyCode{[&](VAddr src_addr, VAddr dst_addr, u64 size) {
std::vector<u8> source_data(size);
@ -402,12 +401,12 @@ public:
nro_header.segment_headers[DATA_INDEX].memory_size);
CASCADE_CODE(process->PageTable().SetCodeMemoryPermission(
text_start, ro_start - text_start, Kernel::Memory::MemoryPermission::ReadAndExecute));
CASCADE_CODE(process->PageTable().SetCodeMemoryPermission(
ro_start, data_start - ro_start, Kernel::Memory::MemoryPermission::Read));
text_start, ro_start - text_start, Kernel::KMemoryPermission::ReadAndExecute));
CASCADE_CODE(process->PageTable().SetCodeMemoryPermission(ro_start, data_start - ro_start,
Kernel::KMemoryPermission::Read));
return process->PageTable().SetCodeMemoryPermission(
data_start, bss_end_addr - data_start, Kernel::Memory::MemoryPermission::ReadAndWrite);
data_start, bss_end_addr - data_start, Kernel::KMemoryPermission::ReadAndWrite);
}
void LoadNro(Kernel::HLERequestContext& ctx) {