Albirew/suyu
Albirew
/
suyu
miroir de https://git.suyu.dev/suyu/suyu.git
1
0
Bifurcation 0
Code Tickets Paquets Projets Publications Wiki Activité
suyu/src/core/hle/kernel/k_page_table_base.h

769 lignes
34 KiB
C++
Brut Annotations Historique

// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <memory>
#include "common/common_funcs.h"
#include "common/page_table.h"
#include "core/core.h"
#include "core/hle/kernel/k_dynamic_resource_manager.h"
#include "core/hle/kernel/k_light_lock.h"
#include "core/hle/kernel/k_memory_block.h"
#include "core/hle/kernel/k_memory_block_manager.h"
#include "core/hle/kernel/k_memory_layout.h"
#include "core/hle/kernel/k_memory_manager.h"
#include "core/hle/kernel/k_typed_address.h"
#include "core/hle/kernel/kernel.h"
#include "core/hle/result.h"
#include "core/memory.h"
namespace Kernel {
enum class DisableMergeAttribute : u8 {
None = (0U << 0),
DisableHead = (1U << 0),
DisableHeadAndBody = (1U << 1),
EnableHeadAndBody = (1U << 2),
DisableTail = (1U << 3),
EnableTail = (1U << 4),
EnableAndMergeHeadBodyTail = (1U << 5),
EnableHeadBodyTail = EnableHeadAndBody | EnableTail,
DisableHeadBodyTail = DisableHeadAndBody | DisableTail,
};
DECLARE_ENUM_FLAG_OPERATORS(DisableMergeAttribute);
struct KPageProperties {
KMemoryPermission perm;
bool io;
bool uncached;
DisableMergeAttribute disable_merge_attributes;
};
static_assert(std::is_trivial_v<KPageProperties>);
static_assert(sizeof(KPageProperties) == sizeof(u32));
class KResourceLimit;
class KSystemResource;
class KPageTableBase {
SUYU_NON_COPYABLE(KPageTableBase);
SUYU_NON_MOVEABLE(KPageTableBase);
public:
using TraversalEntry = Common::PageTable::TraversalEntry;
using TraversalContext = Common::PageTable::TraversalContext;
class MemoryRange {
private:
KernelCore& m_kernel;
KPhysicalAddress m_address;
size_t m_size;
bool m_heap;
public:
explicit MemoryRange(KernelCore& kernel)
: m_kernel(kernel), m_address(0), m_size(0), m_heap(false) {}
void Set(KPhysicalAddress address, size_t size, bool heap) {
m_address = address;
m_size = size;
m_heap = heap;
}
KPhysicalAddress GetAddress() const {
return m_address;
}
size_t GetSize() const {
return m_size;
}
bool IsHeap() const {
return m_heap;
}
void Open();
void Close();
};
protected:
enum MemoryFillValue : u8 {
MemoryFillValue_Zero = 0,
MemoryFillValue_Stack = 'X',
MemoryFillValue_Ipc = 'Y',
MemoryFillValue_Heap = 'Z',
};
enum class OperationType {
Map = 0,
MapGroup = 1,
MapFirstGroup = 2,
Unmap = 3,
ChangePermissions = 4,
ChangePermissionsAndRefresh = 5,
ChangePermissionsAndRefreshAndFlush = 6,
Separate = 7,
MapFirstGroupPhysical = 65000,
UnmapPhysical = 65001,
};
static constexpr size_t MaxPhysicalMapAlignment = 1_GiB;
static constexpr size_t RegionAlignment = 2_MiB;
static_assert(RegionAlignment == KernelAslrAlignment);
struct PageLinkedList {
private:
struct Node {
Node* m_next;
std::array<u8, PageSize - sizeof(Node*)> m_buffer;
};
static_assert(std::is_trivial_v<Node>);
private:
Node* m_root{};
public:
constexpr PageLinkedList() : m_root(nullptr) {}
void Push(Node* n) {
ASSERT(Common::IsAligned(reinterpret_cast<uintptr_t>(n), PageSize));
n->m_next = m_root;
m_root = n;
}
Node* Peek() const {
return m_root;
}
Node* Pop() {
Node* const r = m_root;
m_root = r->m_next;
r->m_next = nullptr;
return r;
}
};
static_assert(std::is_trivially_destructible_v<PageLinkedList>);
static constexpr auto DefaultMemoryIgnoreAttr =
KMemoryAttribute::IpcLocked | KMemoryAttribute::DeviceShared;
static constexpr size_t GetAddressSpaceWidth(Svc::CreateProcessFlag as_type) {
switch (static_cast<Svc::CreateProcessFlag>(as_type &
Svc::CreateProcessFlag::AddressSpaceMask)) {
case Svc::CreateProcessFlag::AddressSpace64Bit:
return 39;
case Svc::CreateProcessFlag::AddressSpace64BitDeprecated:
return 36;
case Svc::CreateProcessFlag::AddressSpace32Bit:
case Svc::CreateProcessFlag::AddressSpace32BitWithoutAlias:
return 32;
default:
UNREACHABLE();
}
}
private:
class KScopedPageTableUpdater {
private:
KPageTableBase* m_pt;
PageLinkedList m_ll;
public:
explicit KScopedPageTableUpdater(KPageTableBase* pt) : m_pt(pt), m_ll() {}
explicit KScopedPageTableUpdater(KPageTableBase& pt)
: KScopedPageTableUpdater(std::addressof(pt)) {}
~KScopedPageTableUpdater() {
m_pt->FinalizeUpdate(this->GetPageList());
}
PageLinkedList* GetPageList() {
return std::addressof(m_ll);
}
};
private:
KernelCore& m_kernel;
Core::System& m_system;
KProcessAddress m_address_space_start{};
KProcessAddress m_address_space_end{};
KProcessAddress m_heap_region_start{};
KProcessAddress m_heap_region_end{};
KProcessAddress m_current_heap_end{};
KProcessAddress m_alias_region_start{};
KProcessAddress m_alias_region_end{};
KProcessAddress m_stack_region_start{};
KProcessAddress m_stack_region_end{};
KProcessAddress m_kernel_map_region_start{};
KProcessAddress m_kernel_map_region_end{};
KProcessAddress m_alias_code_region_start{};
KProcessAddress m_alias_code_region_end{};
KProcessAddress m_code_region_start{};
KProcessAddress m_code_region_end{};
size_t m_max_heap_size{};
size_t m_mapped_physical_memory_size{};
size_t m_mapped_unsafe_physical_memory{};
size_t m_mapped_insecure_memory{};
size_t m_mapped_ipc_server_memory{};
size_t m_alias_region_extra_size{};
mutable KLightLock m_general_lock;
mutable KLightLock m_map_physical_memory_lock;
KLightLock m_device_map_lock;
std::unique_ptr<Common::PageTable> m_impl{};
Core::Memory::Memory* m_memory{};
KMemoryBlockManager m_memory_block_manager{};
u32 m_allocate_option{};
u32 m_address_space_width{};
bool m_is_kernel{};
bool m_enable_aslr{};
bool m_enable_device_address_space_merge{};
KMemoryBlockSlabManager* m_memory_block_slab_manager{};
KBlockInfoManager* m_block_info_manager{};
KResourceLimit* m_resource_limit{};
const KMemoryRegion* m_cached_physical_linear_region{};
const KMemoryRegion* m_cached_physical_heap_region{};
MemoryFillValue m_heap_fill_value{};
MemoryFillValue m_ipc_fill_value{};
MemoryFillValue m_stack_fill_value{};
public:
explicit KPageTableBase(KernelCore& kernel);
~KPageTableBase();
Result InitializeForKernel(bool is_64_bit, KVirtualAddress start, KVirtualAddress end,
Core::Memory::Memory& memory);
Result InitializeForProcess(Svc::CreateProcessFlag as_type, bool enable_aslr,
bool enable_device_address_space_merge, bool from_back,
KMemoryManager::Pool pool, KProcessAddress code_address,
size_t code_size, KSystemResource* system_resource,
KResourceLimit* resource_limit, Core::Memory::Memory& memory,
KProcessAddress aslr_space_start);
Result FinalizeProcess();
void Finalize();
bool IsKernel() const {
return m_is_kernel;
}
bool IsAslrEnabled() const {
return m_enable_aslr;
}
bool Contains(KProcessAddress addr) const {
return m_address_space_start <= addr && addr <= m_address_space_end - 1;
}
bool Contains(KProcessAddress addr, size_t size) const {
return m_address_space_start <= addr && addr < addr + size &&
addr + size - 1 <= m_address_space_end - 1;
}
bool IsInAliasRegion(KProcessAddress addr, size_t size) const {
return this->Contains(addr, size) && m_alias_region_start <= addr &&
addr + size - 1 <= m_alias_region_end - 1;
}
bool IsInHeapRegion(KProcessAddress addr, size_t size) const {
return this->Contains(addr, size) && m_heap_region_start <= addr &&
addr + size - 1 <= m_heap_region_end - 1;
}
bool IsInUnsafeAliasRegion(KProcessAddress addr, size_t size) const {
// Even though Unsafe physical memory is KMemoryState_Normal, it must be mapped inside the
// alias code region.
return this->CanContain(addr, size, Svc::MemoryState::AliasCode);
}
KScopedLightLock AcquireDeviceMapLock() {
return KScopedLightLock(m_device_map_lock);
}
KProcessAddress GetRegionAddress(Svc::MemoryState state) const;
size_t GetRegionSize(Svc::MemoryState state) const;
bool CanContain(KProcessAddress addr, size_t size, Svc::MemoryState state) const;
KProcessAddress GetRegionAddress(KMemoryState state) const {
return this->GetRegionAddress(static_cast<Svc::MemoryState>(state & KMemoryState::Mask));
}
size_t GetRegionSize(KMemoryState state) const {
return this->GetRegionSize(static_cast<Svc::MemoryState>(state & KMemoryState::Mask));
}
bool CanContain(KProcessAddress addr, size_t size, KMemoryState state) const {
return this->CanContain(addr, size,
static_cast<Svc::MemoryState>(state & KMemoryState::Mask));
}
public:
Core::Memory::Memory& GetMemory() {
return *m_memory;
}
Core::Memory::Memory& GetMemory() const {
return *m_memory;
}
Common::PageTable& GetImpl() {
return *m_impl;
}
Common::PageTable& GetImpl() const {
return *m_impl;
}
size_t GetNumGuardPages() const {
return this->IsKernel() ? 1 : 4;
}
protected:
// NOTE: These three functions (Operate, Operate, FinalizeUpdate) are virtual functions
// in Nintendo's kernel. We devirtualize them, since KPageTable is the only derived
// class, and this avoids unnecessary virtual function calls.
Result Operate(PageLinkedList* page_list, KProcessAddress virt_addr, size_t num_pages,
KPhysicalAddress phys_addr, bool is_pa_valid, const KPageProperties properties,
OperationType operation, bool reuse_ll);
Result Operate(PageLinkedList* page_list, KProcessAddress virt_addr, size_t num_pages,
const KPageGroup& page_group, const KPageProperties properties,
OperationType operation, bool reuse_ll);
void FinalizeUpdate(PageLinkedList* page_list);
bool IsLockedByCurrentThread() const {
return m_general_lock.IsLockedByCurrentThread();
}
bool IsLinearMappedPhysicalAddress(KPhysicalAddress phys_addr) {
ASSERT(this->IsLockedByCurrentThread());
return m_kernel.MemoryLayout().IsLinearMappedPhysicalAddress(
m_cached_physical_linear_region, phys_addr);
}
bool IsLinearMappedPhysicalAddress(KPhysicalAddress phys_addr, size_t size) {
ASSERT(this->IsLockedByCurrentThread());
return m_kernel.MemoryLayout().IsLinearMappedPhysicalAddress(
m_cached_physical_linear_region, phys_addr, size);
}
bool IsHeapPhysicalAddress(KPhysicalAddress phys_addr) {
ASSERT(this->IsLockedByCurrentThread());
return m_kernel.MemoryLayout().IsHeapPhysicalAddress(m_cached_physical_heap_region,
phys_addr);
}
bool IsHeapPhysicalAddress(KPhysicalAddress phys_addr, size_t size) {
ASSERT(this->IsLockedByCurrentThread());
return m_kernel.MemoryLayout().IsHeapPhysicalAddress(m_cached_physical_heap_region,
phys_addr, size);
}
bool IsHeapPhysicalAddressForFinalize(KPhysicalAddress phys_addr) {
ASSERT(!this->IsLockedByCurrentThread());
return m_kernel.MemoryLayout().IsHeapPhysicalAddress(m_cached_physical_heap_region,
phys_addr);
}
bool ContainsPages(KProcessAddress addr, size_t num_pages) const {
return (m_address_space_start <= addr) &&
(num_pages <= (m_address_space_end - m_address_space_start) / PageSize) &&
(addr + num_pages * PageSize - 1 <= m_address_space_end - 1);
}
private:
KProcessAddress FindFreeArea(KProcessAddress region_start, size_t region_num_pages,
size_t num_pages, size_t alignment, size_t offset,
size_t guard_pages) const;
Result CheckMemoryStateContiguous(size_t* out_blocks_needed, KProcessAddress addr, size_t size,
KMemoryState state_mask, KMemoryState state,
KMemoryPermission perm_mask, KMemoryPermission perm,
KMemoryAttribute attr_mask, KMemoryAttribute attr) const;
Result CheckMemoryStateContiguous(KProcessAddress addr, size_t size, KMemoryState state_mask,
KMemoryState state, KMemoryPermission perm_mask,
KMemoryPermission perm, KMemoryAttribute attr_mask,
KMemoryAttribute attr) const {
R_RETURN(this->CheckMemoryStateContiguous(nullptr, addr, size, state_mask, state, perm_mask,
perm, attr_mask, attr));
}
Result CheckMemoryState(const KMemoryInfo& info, KMemoryState state_mask, KMemoryState state,
KMemoryPermission perm_mask, KMemoryPermission perm,
KMemoryAttribute attr_mask, KMemoryAttribute attr) const;
Result CheckMemoryState(KMemoryState* out_state, KMemoryPermission* out_perm,
KMemoryAttribute* out_attr, size_t* out_blocks_needed,
KMemoryBlockManager::const_iterator it, KProcessAddress last_addr,
KMemoryState state_mask, KMemoryState state,
KMemoryPermission perm_mask, KMemoryPermission perm,
KMemoryAttribute attr_mask, KMemoryAttribute attr,
KMemoryAttribute ignore_attr = DefaultMemoryIgnoreAttr) const;
Result CheckMemoryState(KMemoryState* out_state, KMemoryPermission* out_perm,
KMemoryAttribute* out_attr, size_t* out_blocks_needed,
KProcessAddress addr, size_t size, KMemoryState state_mask,
KMemoryState state, KMemoryPermission perm_mask, KMemoryPermission perm,
KMemoryAttribute attr_mask, KMemoryAttribute attr,
KMemoryAttribute ignore_attr = DefaultMemoryIgnoreAttr) const;
Result CheckMemoryState(size_t* out_blocks_needed, KProcessAddress addr, size_t size,
KMemoryState state_mask, KMemoryState state,
KMemoryPermission perm_mask, KMemoryPermission perm,
KMemoryAttribute attr_mask, KMemoryAttribute attr,
KMemoryAttribute ignore_attr = DefaultMemoryIgnoreAttr) const {
R_RETURN(this->CheckMemoryState(nullptr, nullptr, nullptr, out_blocks_needed, addr, size,
state_mask, state, perm_mask, perm, attr_mask, attr,
ignore_attr));
}
Result CheckMemoryState(KProcessAddress addr, size_t size, KMemoryState state_mask,
KMemoryState state, KMemoryPermission perm_mask, KMemoryPermission perm,
KMemoryAttribute attr_mask, KMemoryAttribute attr,
KMemoryAttribute ignore_attr = DefaultMemoryIgnoreAttr) const {
R_RETURN(this->CheckMemoryState(nullptr, addr, size, state_mask, state, perm_mask, perm,
attr_mask, attr, ignore_attr));
}
Result LockMemoryAndOpen(KPageGroup* out_pg, KPhysicalAddress* out_paddr, KProcessAddress addr,
size_t size, KMemoryState state_mask, KMemoryState state,
KMemoryPermission perm_mask, KMemoryPermission perm,
KMemoryAttribute attr_mask, KMemoryAttribute attr,
KMemoryPermission new_perm, KMemoryAttribute lock_attr);
Result UnlockMemory(KProcessAddress addr, size_t size, KMemoryState state_mask,
KMemoryState state, KMemoryPermission perm_mask, KMemoryPermission perm,
KMemoryAttribute attr_mask, KMemoryAttribute attr,
KMemoryPermission new_perm, KMemoryAttribute lock_attr,
const KPageGroup* pg);
Result QueryInfoImpl(KMemoryInfo* out_info, Svc::PageInfo* out_page,
KProcessAddress address) const;
Result QueryMappingImpl(KProcessAddress* out, KPhysicalAddress address, size_t size,
Svc::MemoryState state) const;
Result AllocateAndMapPagesImpl(PageLinkedList* page_list, KProcessAddress address,
size_t num_pages, KMemoryPermission perm);
Result MapPageGroupImpl(PageLinkedList* page_list, KProcessAddress address,
const KPageGroup& pg, const KPageProperties properties, bool reuse_ll);
void RemapPageGroup(PageLinkedList* page_list, KProcessAddress address, size_t size,
const KPageGroup& pg);
Result MakePageGroup(KPageGroup& pg, KProcessAddress addr, size_t num_pages);
bool IsValidPageGroup(const KPageGroup& pg, KProcessAddress addr, size_t num_pages);
Result GetContiguousMemoryRangeWithState(MemoryRange* out, KProcessAddress address, size_t size,
KMemoryState state_mask, KMemoryState state,
KMemoryPermission perm_mask, KMemoryPermission perm,
KMemoryAttribute attr_mask, KMemoryAttribute attr);
Result MapPages(KProcessAddress* out_addr, size_t num_pages, size_t alignment,
KPhysicalAddress phys_addr, bool is_pa_valid, KProcessAddress region_start,
size_t region_num_pages, KMemoryState state, KMemoryPermission perm);
Result MapIoImpl(KProcessAddress* out, PageLinkedList* page_list, KPhysicalAddress phys_addr,
size_t size, KMemoryState state, KMemoryPermission perm);
Result ReadIoMemoryImpl(KProcessAddress dst_addr, KPhysicalAddress phys_addr, size_t size,
KMemoryState state);
Result WriteIoMemoryImpl(KPhysicalAddress phys_addr, KProcessAddress src_addr, size_t size,
KMemoryState state);
Result SetupForIpcClient(PageLinkedList* page_list, size_t* out_blocks_needed,
KProcessAddress address, size_t size, KMemoryPermission test_perm,
KMemoryState dst_state);
Result SetupForIpcServer(KProcessAddress* out_addr, size_t size, KProcessAddress src_addr,
KMemoryPermission test_perm, KMemoryState dst_state,
KPageTableBase& src_page_table, bool send);
void CleanupForIpcClientOnServerSetupFailure(PageLinkedList* page_list, KProcessAddress address,
size_t size, KMemoryPermission prot_perm);
size_t GetSize(KMemoryState state) const;
bool GetPhysicalAddressLocked(KPhysicalAddress* out, KProcessAddress virt_addr) const {
// Validate pre-conditions.
ASSERT(this->IsLockedByCurrentThread());
return this->GetImpl().GetPhysicalAddress(out, virt_addr);
}
public:
bool GetPhysicalAddress(KPhysicalAddress* out, KProcessAddress virt_addr) const {
// Validate pre-conditions.
ASSERT(!this->IsLockedByCurrentThread());
// Acquire exclusive access to the table while doing address translation.
KScopedLightLock lk(m_general_lock);
return this->GetPhysicalAddressLocked(out, virt_addr);
}
KBlockInfoManager* GetBlockInfoManager() const {
return m_block_info_manager;
}
Result SetMemoryPermission(KProcessAddress addr, size_t size, Svc::MemoryPermission perm);
Result SetProcessMemoryPermission(KProcessAddress addr, size_t size,
Svc::MemoryPermission perm);
Result SetMemoryAttribute(KProcessAddress addr, size_t size, KMemoryAttribute mask,
KMemoryAttribute attr);
Result SetHeapSize(KProcessAddress* out, size_t size);
Result SetMaxHeapSize(size_t size);
Result QueryInfo(KMemoryInfo* out_info, Svc::PageInfo* out_page_info,
KProcessAddress addr) const;
Result QueryPhysicalAddress(Svc::lp64::PhysicalMemoryInfo* out, KProcessAddress address) const;
Result QueryStaticMapping(KProcessAddress* out, KPhysicalAddress address, size_t size) const {
R_RETURN(this->QueryMappingImpl(out, address, size, Svc::MemoryState::Static));
}
Result QueryIoMapping(KProcessAddress* out, KPhysicalAddress address, size_t size) const {
R_RETURN(this->QueryMappingImpl(out, address, size, Svc::MemoryState::Io));
}
Result MapMemory(KProcessAddress dst_address, KProcessAddress src_address, size_t size);
Result UnmapMemory(KProcessAddress dst_address, KProcessAddress src_address, size_t size);
Result MapCodeMemory(KProcessAddress dst_address, KProcessAddress src_address, size_t size);
Result UnmapCodeMemory(KProcessAddress dst_address, KProcessAddress src_address, size_t size);
Result MapIo(KPhysicalAddress phys_addr, size_t size, KMemoryPermission perm);
Result MapIoRegion(KProcessAddress dst_address, KPhysicalAddress phys_addr, size_t size,
Svc::MemoryMapping mapping, Svc::MemoryPermission perm);
Result UnmapIoRegion(KProcessAddress dst_address, KPhysicalAddress phys_addr, size_t size,
Svc::MemoryMapping mapping);
Result MapStatic(KPhysicalAddress phys_addr, size_t size, KMemoryPermission perm);
Result MapRegion(KMemoryRegionType region_type, KMemoryPermission perm);
Result MapInsecureMemory(KProcessAddress address, size_t size);
Result UnmapInsecureMemory(KProcessAddress address, size_t size);
Result MapPages(KProcessAddress* out_addr, size_t num_pages, size_t alignment,
KPhysicalAddress phys_addr, KProcessAddress region_start,
size_t region_num_pages, KMemoryState state, KMemoryPermission perm) {
R_RETURN(this->MapPages(out_addr, num_pages, alignment, phys_addr, true, region_start,
region_num_pages, state, perm));
}
Result MapPages(KProcessAddress* out_addr, size_t num_pages, size_t alignment,
KPhysicalAddress phys_addr, KMemoryState state, KMemoryPermission perm) {
R_RETURN(this->MapPages(out_addr, num_pages, alignment, phys_addr, true,
this->GetRegionAddress(state),
this->GetRegionSize(state) / PageSize, state, perm));
}
Result MapPages(KProcessAddress* out_addr, size_t num_pages, KMemoryState state,
KMemoryPermission perm) {
R_RETURN(this->MapPages(out_addr, num_pages, PageSize, 0, false,
this->GetRegionAddress(state),
this->GetRegionSize(state) / PageSize, state, perm));
}
Result MapPages(KProcessAddress address, size_t num_pages, KMemoryState state,
KMemoryPermission perm);
Result UnmapPages(KProcessAddress address, size_t num_pages, KMemoryState state);
Result MapPageGroup(KProcessAddress* out_addr, const KPageGroup& pg,
KProcessAddress region_start, size_t region_num_pages, KMemoryState state,
KMemoryPermission perm);
Result MapPageGroup(KProcessAddress address, const KPageGroup& pg, KMemoryState state,
KMemoryPermission perm);
Result UnmapPageGroup(KProcessAddress address, const KPageGroup& pg, KMemoryState state);
Result MakeAndOpenPageGroup(KPageGroup* out, KProcessAddress address, size_t num_pages,
KMemoryState state_mask, KMemoryState state,
KMemoryPermission perm_mask, KMemoryPermission perm,
KMemoryAttribute attr_mask, KMemoryAttribute attr);
Result InvalidateProcessDataCache(KProcessAddress address, size_t size);
Result InvalidateCurrentProcessDataCache(KProcessAddress address, size_t size);
Result ReadDebugMemory(KProcessAddress dst_address, KProcessAddress src_address, size_t size);
Result ReadDebugIoMemory(KProcessAddress dst_address, KProcessAddress src_address, size_t size,
KMemoryState state);
Result WriteDebugMemory(KProcessAddress dst_address, KProcessAddress src_address, size_t size);
Result WriteDebugIoMemory(KProcessAddress dst_address, KProcessAddress src_address, size_t size,
KMemoryState state);
Result LockForMapDeviceAddressSpace(bool* out_is_io, KProcessAddress address, size_t size,
KMemoryPermission perm, bool is_aligned, bool check_heap);
Result LockForUnmapDeviceAddressSpace(KProcessAddress address, size_t size, bool check_heap);
Result UnlockForDeviceAddressSpace(KProcessAddress address, size_t size);
Result UnlockForDeviceAddressSpacePartialMap(KProcessAddress address, size_t size);
Result OpenMemoryRangeForMapDeviceAddressSpace(KPageTableBase::MemoryRange* out,
KProcessAddress address, size_t size,
KMemoryPermission perm, bool is_aligned);
Result OpenMemoryRangeForUnmapDeviceAddressSpace(MemoryRange* out, KProcessAddress address,
size_t size);
Result LockForIpcUserBuffer(KPhysicalAddress* out, KProcessAddress address, size_t size);
Result UnlockForIpcUserBuffer(KProcessAddress address, size_t size);
Result LockForTransferMemory(KPageGroup* out, KProcessAddress address, size_t size,
KMemoryPermission perm);
Result UnlockForTransferMemory(KProcessAddress address, size_t size, const KPageGroup& pg);
Result LockForCodeMemory(KPageGroup* out, KProcessAddress address, size_t size);
Result UnlockForCodeMemory(KProcessAddress address, size_t size, const KPageGroup& pg);
Result OpenMemoryRangeForProcessCacheOperation(MemoryRange* out, KProcessAddress address,
size_t size);
Result CopyMemoryFromLinearToUser(KProcessAddress dst_addr, size_t size,
KProcessAddress src_addr, KMemoryState src_state_mask,
KMemoryState src_state, KMemoryPermission src_test_perm,
KMemoryAttribute src_attr_mask, KMemoryAttribute src_attr);
Result CopyMemoryFromLinearToKernel(void* buffer, size_t size, KProcessAddress src_addr,
KMemoryState src_state_mask, KMemoryState src_state,
KMemoryPermission src_test_perm,
KMemoryAttribute src_attr_mask, KMemoryAttribute src_attr);
Result CopyMemoryFromUserToLinear(KProcessAddress dst_addr, size_t size,
KMemoryState dst_state_mask, KMemoryState dst_state,
KMemoryPermission dst_test_perm,
KMemoryAttribute dst_attr_mask, KMemoryAttribute dst_attr,
KProcessAddress src_addr);
Result CopyMemoryFromKernelToLinear(KProcessAddress dst_addr, size_t size,
KMemoryState dst_state_mask, KMemoryState dst_state,
KMemoryPermission dst_test_perm,
KMemoryAttribute dst_attr_mask, KMemoryAttribute dst_attr,
void* buffer);
Result CopyMemoryFromHeapToHeap(KPageTableBase& dst_page_table, KProcessAddress dst_addr,
size_t size, KMemoryState dst_state_mask,
KMemoryState dst_state, KMemoryPermission dst_test_perm,
KMemoryAttribute dst_attr_mask, KMemoryAttribute dst_attr,
KProcessAddress src_addr, KMemoryState src_state_mask,
KMemoryState src_state, KMemoryPermission src_test_perm,
KMemoryAttribute src_attr_mask, KMemoryAttribute src_attr);
Result CopyMemoryFromHeapToHeapWithoutCheckDestination(
KPageTableBase& dst_page_table, KProcessAddress dst_addr, size_t size,
KMemoryState dst_state_mask, KMemoryState dst_state, KMemoryPermission dst_test_perm,
KMemoryAttribute dst_attr_mask, KMemoryAttribute dst_attr, KProcessAddress src_addr,
KMemoryState src_state_mask, KMemoryState src_state, KMemoryPermission src_test_perm,
KMemoryAttribute src_attr_mask, KMemoryAttribute src_attr);
Result SetupForIpc(KProcessAddress* out_dst_addr, size_t size, KProcessAddress src_addr,
KPageTableBase& src_page_table, KMemoryPermission test_perm,
KMemoryState dst_state, bool send);
Result CleanupForIpcServer(KProcessAddress address, size_t size, KMemoryState dst_state);
Result CleanupForIpcClient(KProcessAddress address, size_t size, KMemoryState dst_state);
Result MapPhysicalMemory(KProcessAddress address, size_t size);
Result UnmapPhysicalMemory(KProcessAddress address, size_t size);
Result MapPhysicalMemoryUnsafe(KProcessAddress address, size_t size);
Result UnmapPhysicalMemoryUnsafe(KProcessAddress address, size_t size);
Result UnmapProcessMemory(KProcessAddress dst_address, size_t size, KPageTableBase& src_pt,
KProcessAddress src_address);
public:
KProcessAddress GetAddressSpaceStart() const {
return m_address_space_start;
}
KProcessAddress GetHeapRegionStart() const {
return m_heap_region_start;
}
KProcessAddress GetAliasRegionStart() const {
return m_alias_region_start;
}
KProcessAddress GetStackRegionStart() const {
return m_stack_region_start;
}
KProcessAddress GetKernelMapRegionStart() const {
return m_kernel_map_region_start;
}
KProcessAddress GetCodeRegionStart() const {
return m_code_region_start;
}
KProcessAddress GetAliasCodeRegionStart() const {
return m_alias_code_region_start;
}
size_t GetAddressSpaceSize() const {
return m_address_space_end - m_address_space_start;
}
size_t GetHeapRegionSize() const {
return m_heap_region_end - m_heap_region_start;
}
size_t GetAliasRegionSize() const {
return m_alias_region_end - m_alias_region_start;
}
size_t GetReservedRegionExtraSize() const {
return m_alias_region_extra_size;
}
size_t GetStackRegionSize() const {
return m_stack_region_end - m_stack_region_start;
}
size_t GetKernelMapRegionSize() const {
return m_kernel_map_region_end - m_kernel_map_region_start;
}
size_t GetCodeRegionSize() const {
return m_code_region_end - m_code_region_start;
}
size_t GetAliasCodeRegionSize() const {
return m_alias_code_region_end - m_alias_code_region_start;
}
size_t GetNormalMemorySize() const {
// Lock the table.
KScopedLightLock lk(m_general_lock);
return (m_current_heap_end - m_heap_region_start) + m_mapped_physical_memory_size;
}
size_t GetCodeSize() const;
size_t GetCodeDataSize() const;
size_t GetAliasCodeSize() const;
size_t GetAliasCodeDataSize() const;
u32 GetAllocateOption() const {
return m_allocate_option;
}
u32 GetAddressSpaceWidth() const {
return m_address_space_width;
}
public:
// Linear mapped
static u8* GetLinearMappedVirtualPointer(KernelCore& kernel, KPhysicalAddress addr) {
return kernel.System().DeviceMemory().GetPointer<u8>(addr);
}
static KPhysicalAddress GetLinearMappedPhysicalAddress(KernelCore& kernel,
KVirtualAddress addr) {
return kernel.MemoryLayout().GetLinearPhysicalAddress(addr);
}
static KVirtualAddress GetLinearMappedVirtualAddress(KernelCore& kernel,
KPhysicalAddress addr) {
return kernel.MemoryLayout().GetLinearVirtualAddress(addr);
}
// Heap
static u8* GetHeapVirtualPointer(KernelCore& kernel, KPhysicalAddress addr) {
return kernel.System().DeviceMemory().GetPointer<u8>(addr);
}
static KPhysicalAddress GetHeapPhysicalAddress(KernelCore& kernel, KVirtualAddress addr) {
return GetLinearMappedPhysicalAddress(kernel, addr);
}
static KVirtualAddress GetHeapVirtualAddress(KernelCore& kernel, KPhysicalAddress addr) {
return GetLinearMappedVirtualAddress(kernel, addr);
}
// Member heap
u8* GetHeapVirtualPointer(KPhysicalAddress addr) {
return GetHeapVirtualPointer(m_kernel, addr);
}
KPhysicalAddress GetHeapPhysicalAddress(KVirtualAddress addr) {
return GetHeapPhysicalAddress(m_kernel, addr);
}
KVirtualAddress GetHeapVirtualAddress(KPhysicalAddress addr) {
return GetHeapVirtualAddress(m_kernel, addr);
}
// TODO: GetPageTableVirtualAddress
// TODO: GetPageTablePhysicalAddress
};
} // namespace Kernel
Référencer dans un nouveau ticket Voir Git Blâme Copier le lien permanent