Atmosphere/libraries/libmesosphere/include/mesosphere/kern_k_page_table_base.hpp
2023-10-12 08:55:58 -07:00

534 lines
33 KiB
C++

/*
* Copyright (c) Atmosphère-NX
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <mesosphere/kern_common.hpp>
#include <mesosphere/kern_select_page_table_impl.hpp>
#include <mesosphere/kern_k_light_lock.hpp>
#include <mesosphere/kern_k_page_group.hpp>
#include <mesosphere/kern_k_memory_manager.hpp>
#include <mesosphere/kern_k_memory_layout.hpp>
#include <mesosphere/kern_k_memory_block_manager.hpp>
namespace ams::kern {
enum DisableMergeAttribute : u8 {
DisableMergeAttribute_None = (0u << 0),
DisableMergeAttribute_DisableHead = (1u << 0),
DisableMergeAttribute_DisableHeadAndBody = (1u << 1),
DisableMergeAttribute_EnableHeadAndBody = (1u << 2),
DisableMergeAttribute_DisableTail = (1u << 3),
DisableMergeAttribute_EnableTail = (1u << 4),
DisableMergeAttribute_EnableAndMergeHeadBodyTail = (1u << 5),
DisableMergeAttribute_EnableHeadBodyTail = DisableMergeAttribute_EnableHeadAndBody | DisableMergeAttribute_EnableTail,
DisableMergeAttribute_DisableHeadBodyTail = DisableMergeAttribute_DisableHeadAndBody | DisableMergeAttribute_DisableTail,
};
struct KPageProperties {
KMemoryPermission perm;
bool io;
bool uncached;
DisableMergeAttribute disable_merge_attributes;
};
static_assert(std::is_trivial<KPageProperties>::value);
static_assert(sizeof(KPageProperties) == sizeof(u32));
class KResourceLimit;
class KSystemResource;
class KPageTableBase {
NON_COPYABLE(KPageTableBase);
NON_MOVEABLE(KPageTableBase);
public:
using TraversalEntry = KPageTableImpl::TraversalEntry;
using TraversalContext = KPageTableImpl::TraversalContext;
class MemoryRange {
private:
KPhysicalAddress m_address;
size_t m_size;
bool m_heap;
public:
constexpr MemoryRange() : m_address(Null<KPhysicalAddress>), m_size(0), m_heap(false) { /* ... */ }
void Set(KPhysicalAddress address, size_t size, bool heap) {
m_address = address;
m_size = size;
m_heap = heap;
}
constexpr KPhysicalAddress GetAddress() const { return m_address; }
constexpr size_t GetSize() const { return m_size; }
constexpr bool IsHeap() const { return m_heap; }
void Open();
void Close();
};
protected:
enum MemoryFillValue {
MemoryFillValue_Zero = 0,
MemoryFillValue_Stack = 'X',
MemoryFillValue_Ipc = 'Y',
MemoryFillValue_Heap = 'Z',
};
enum OperationType {
OperationType_Map = 0,
OperationType_MapGroup = 1,
OperationType_MapFirstGroup = 2,
OperationType_Unmap = 3,
OperationType_ChangePermissions = 4,
OperationType_ChangePermissionsAndRefresh = 5,
OperationType_ChangePermissionsAndRefreshAndFlush = 6,
OperationType_Separate = 7,
};
static constexpr size_t MaxPhysicalMapAlignment = 1_GB;
static constexpr size_t RegionAlignment = 2_MB;
static_assert(RegionAlignment == KernelAslrAlignment);
struct PageLinkedList {
private:
struct Node {
Node *m_next;
u8 m_buffer[PageSize - sizeof(Node *)];
};
static_assert(util::is_pod<Node>::value);
private:
Node *m_root;
public:
constexpr PageLinkedList() : m_root(nullptr) { /* ... */ }
void Push(Node *n) {
MESOSPHERE_ASSERT(util::IsAligned(reinterpret_cast<uintptr_t>(n), PageSize));
n->m_next = m_root;
m_root = n;
}
void Push(KVirtualAddress addr) {
this->Push(GetPointer<Node>(addr));
}
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<PageLinkedList>::value);
static constexpr u32 DefaultMemoryIgnoreAttr = KMemoryAttribute_IpcLocked | KMemoryAttribute_DeviceShared;
static constexpr size_t GetAddressSpaceWidth(ams::svc::CreateProcessFlag as_type) {
switch (static_cast<ams::svc::CreateProcessFlag>(as_type & ams::svc::CreateProcessFlag_AddressSpaceMask)) {
case ams::svc::CreateProcessFlag_AddressSpace64Bit:
return 39;
case ams::svc::CreateProcessFlag_AddressSpace64BitDeprecated:
return 36;
case ams::svc::CreateProcessFlag_AddressSpace32Bit:
case ams::svc::CreateProcessFlag_AddressSpace32BitWithoutAlias:
return 32;
MESOSPHERE_UNREACHABLE_DEFAULT_CASE();
}
}
private:
class KScopedPageTableUpdater {
private:
KPageTableBase *m_pt;
PageLinkedList m_ll;
public:
ALWAYS_INLINE explicit KScopedPageTableUpdater(KPageTableBase *pt) : m_pt(pt), m_ll() { /* ... */ }
ALWAYS_INLINE explicit KScopedPageTableUpdater(KPageTableBase &pt) : KScopedPageTableUpdater(std::addressof(pt)) { /* ... */ }
ALWAYS_INLINE ~KScopedPageTableUpdater() { m_pt->FinalizeUpdate(this->GetPageList()); }
PageLinkedList *GetPageList() { return std::addressof(m_ll); }
};
private:
KProcessAddress m_address_space_start;
KProcessAddress m_address_space_end;
KProcessAddress m_heap_region_start;
KProcessAddress m_heap_region_end;
KProcessAddress m_current_heap_end;
KProcessAddress m_alias_region_start;
KProcessAddress m_alias_region_end;
KProcessAddress m_stack_region_start;
KProcessAddress m_stack_region_end;
KProcessAddress m_kernel_map_region_start;
KProcessAddress m_kernel_map_region_end;
KProcessAddress m_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;
mutable KLightLock m_general_lock;
mutable KLightLock m_map_physical_memory_lock;
KLightLock m_device_map_lock;
KPageTableImpl m_impl;
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:
constexpr explicit KPageTableBase(util::ConstantInitializeTag)
: m_address_space_start(Null<KProcessAddress>), m_address_space_end(Null<KProcessAddress>), m_heap_region_start(Null<KProcessAddress>),
m_heap_region_end(Null<KProcessAddress>), m_current_heap_end(Null<KProcessAddress>), m_alias_region_start(Null<KProcessAddress>),
m_alias_region_end(Null<KProcessAddress>), m_stack_region_start(Null<KProcessAddress>), m_stack_region_end(Null<KProcessAddress>),
m_kernel_map_region_start(Null<KProcessAddress>), m_kernel_map_region_end(Null<KProcessAddress>), m_alias_code_region_start(Null<KProcessAddress>),
m_alias_code_region_end(Null<KProcessAddress>), m_code_region_start(Null<KProcessAddress>), m_code_region_end(Null<KProcessAddress>),
m_max_heap_size(), m_mapped_physical_memory_size(), m_mapped_unsafe_physical_memory(), m_mapped_insecure_memory(), m_mapped_ipc_server_memory(),
m_general_lock(), m_map_physical_memory_lock(), m_device_map_lock(), m_impl(util::ConstantInitialize), m_memory_block_manager(util::ConstantInitialize),
m_allocate_option(), m_address_space_width(), m_is_kernel(), m_enable_aslr(), m_enable_device_address_space_merge(),
m_memory_block_slab_manager(), m_block_info_manager(), m_resource_limit(), m_cached_physical_linear_region(), m_cached_physical_heap_region(),
m_heap_fill_value(), m_ipc_fill_value(), m_stack_fill_value()
{
/* ... */
}
explicit KPageTableBase() { /* ... */ }
NOINLINE Result InitializeForKernel(bool is_64_bit, void *table, KVirtualAddress start, KVirtualAddress end);
NOINLINE Result InitializeForProcess(ams::svc::CreateProcessFlag as_type, bool enable_aslr, bool enable_device_address_space_merge, bool from_back, KMemoryManager::Pool pool, void *table, KProcessAddress start, KProcessAddress end, KProcessAddress code_address, size_t code_size, KSystemResource *system_resource, KResourceLimit *resource_limit);
void Finalize();
constexpr bool IsKernel() const { return m_is_kernel; }
constexpr bool IsAslrEnabled() const { return m_enable_aslr; }
constexpr bool Contains(KProcessAddress addr) const {
return m_address_space_start <= addr && addr <= m_address_space_end - 1;
}
constexpr 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;
}
constexpr 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 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, ams::svc::MemoryState_AliasCode);
}
ALWAYS_INLINE KScopedLightLock AcquireDeviceMapLock() {
return KScopedLightLock(m_device_map_lock);
}
KProcessAddress GetRegionAddress(ams::svc::MemoryState state) const;
size_t GetRegionSize(ams::svc::MemoryState state) const;
bool CanContain(KProcessAddress addr, size_t size, ams::svc::MemoryState state) const;
ALWAYS_INLINE KProcessAddress GetRegionAddress(KMemoryState state) const { return this->GetRegionAddress(static_cast<ams::svc::MemoryState>(state & KMemoryState_Mask)); }
ALWAYS_INLINE size_t GetRegionSize(KMemoryState state) const { return this->GetRegionSize(static_cast<ams::svc::MemoryState>(state & KMemoryState_Mask)); }
ALWAYS_INLINE bool CanContain(KProcessAddress addr, size_t size, KMemoryState state) const { return this->CanContain(addr, size, static_cast<ams::svc::MemoryState>(state & KMemoryState_Mask)); }
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. See "kern_select_page_table.hpp" */
/* for definition of these functions. */
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);
ALWAYS_INLINE KPageTableImpl &GetImpl() { return m_impl; }
ALWAYS_INLINE const KPageTableImpl &GetImpl() const { return m_impl; }
ALWAYS_INLINE bool IsLockedByCurrentThread() const { return m_general_lock.IsLockedByCurrentThread(); }
ALWAYS_INLINE bool IsLinearMappedPhysicalAddress(KPhysicalAddress phys_addr) {
MESOSPHERE_ASSERT(this->IsLockedByCurrentThread());
return KMemoryLayout::IsLinearMappedPhysicalAddress(m_cached_physical_linear_region, phys_addr);
}
ALWAYS_INLINE bool IsLinearMappedPhysicalAddress(KPhysicalAddress phys_addr, size_t size) {
MESOSPHERE_ASSERT(this->IsLockedByCurrentThread());
return KMemoryLayout::IsLinearMappedPhysicalAddress(m_cached_physical_linear_region, phys_addr, size);
}
ALWAYS_INLINE bool IsHeapPhysicalAddress(KPhysicalAddress phys_addr) {
MESOSPHERE_ASSERT(this->IsLockedByCurrentThread());
return KMemoryLayout::IsHeapPhysicalAddress(m_cached_physical_heap_region, phys_addr);
}
ALWAYS_INLINE bool IsHeapPhysicalAddress(KPhysicalAddress phys_addr, size_t size) {
MESOSPHERE_ASSERT(this->IsLockedByCurrentThread());
return KMemoryLayout::IsHeapPhysicalAddress(m_cached_physical_heap_region, phys_addr, size);
}
ALWAYS_INLINE bool IsHeapPhysicalAddressForFinalize(KPhysicalAddress phys_addr) {
MESOSPHERE_ASSERT(!this->IsLockedByCurrentThread());
return KMemoryLayout::IsHeapPhysicalAddress(m_cached_physical_heap_region, phys_addr);
}
ALWAYS_INLINE 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:
constexpr size_t GetNumGuardPages() const { return this->IsKernel() ? 1 : 4; }
ALWAYS_INLINE 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, u32 state_mask, u32 state, u32 perm_mask, u32 perm, u32 attr_mask, u32 attr) const;
Result CheckMemoryStateContiguous(KProcessAddress addr, size_t size, u32 state_mask, u32 state, u32 perm_mask, u32 perm, u32 attr_mask, u32 attr) const {
R_RETURN(this->CheckMemoryStateContiguous(nullptr, addr, size, state_mask, state, perm_mask, perm, attr_mask, attr));
}
Result CheckMemoryState(const KMemoryInfo &info, u32 state_mask, u32 state, u32 perm_mask, u32 perm, u32 attr_mask, u32 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, u32 state_mask, u32 state, u32 perm_mask, u32 perm, u32 attr_mask, u32 attr, u32 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, u32 state_mask, u32 state, u32 perm_mask, u32 perm, u32 attr_mask, u32 attr, u32 ignore_attr = DefaultMemoryIgnoreAttr) const;
Result CheckMemoryState(size_t *out_blocks_needed, KProcessAddress addr, size_t size, u32 state_mask, u32 state, u32 perm_mask, u32 perm, u32 attr_mask, u32 attr, u32 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, u32 state_mask, u32 state, u32 perm_mask, u32 perm, u32 attr_mask, u32 attr, u32 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, u32 state_mask, u32 state, u32 perm_mask, u32 perm, u32 attr_mask, u32 attr, KMemoryPermission new_perm, u32 lock_attr);
Result UnlockMemory(KProcessAddress addr, size_t size, u32 state_mask, u32 state, u32 perm_mask, u32 perm, u32 attr_mask, u32 attr, KMemoryPermission new_perm, u32 lock_attr, const KPageGroup *pg);
Result QueryInfoImpl(KMemoryInfo *out_info, ams::svc::PageInfo *out_page, KProcessAddress address) const;
Result QueryMappingImpl(KProcessAddress *out, KPhysicalAddress address, size_t size, ams::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, u32 state_mask, u32 state, u32 perm_mask, u32 perm, u32 attr_mask, u32 attr);
NOINLINE 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(void *buffer, KPhysicalAddress phys_addr, size_t size, KMemoryState state);
Result WriteIoMemoryImpl(KPhysicalAddress phys_addr, const void *buffer, 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;
ALWAYS_INLINE bool GetPhysicalAddressLocked(KPhysicalAddress *out, KProcessAddress virt_addr) const {
/* Validate pre-conditions. */
MESOSPHERE_AUDIT(this->IsLockedByCurrentThread());
return this->GetImpl().GetPhysicalAddress(out, virt_addr);
}
public:
bool GetPhysicalAddress(KPhysicalAddress *out, KProcessAddress virt_addr) const {
/* Validate pre-conditions. */
MESOSPHERE_AUDIT(!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, ams::svc::MemoryPermission perm);
Result SetProcessMemoryPermission(KProcessAddress addr, size_t size, ams::svc::MemoryPermission perm);
Result SetMemoryAttribute(KProcessAddress addr, size_t size, u32 mask, u32 attr);
Result SetHeapSize(KProcessAddress *out, size_t size);
Result SetMaxHeapSize(size_t size);
Result QueryInfo(KMemoryInfo *out_info, ams::svc::PageInfo *out_page_info, KProcessAddress addr) const;
Result QueryPhysicalAddress(ams::svc::PhysicalMemoryInfo *out, KProcessAddress address) const;
Result QueryStaticMapping(KProcessAddress *out, KPhysicalAddress address, size_t size) const { R_RETURN(this->QueryMappingImpl(out, address, size, ams::svc::MemoryState_Static)); }
Result QueryIoMapping(KProcessAddress *out, KPhysicalAddress address, size_t size) const { R_RETURN(this->QueryMappingImpl(out, address, size, ams::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, ams::svc::MemoryMapping mapping, ams::svc::MemoryPermission perm);
Result UnmapIoRegion(KProcessAddress dst_address, KPhysicalAddress phys_addr, size_t size, ams::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, Null<KPhysicalAddress>, 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, u32 state_mask, u32 state, u32 perm_mask, u32 perm, u32 attr_mask, u32 attr);
Result InvalidateProcessDataCache(KProcessAddress address, size_t size);
Result InvalidateCurrentProcessDataCache(KProcessAddress address, size_t size);
Result ReadDebugMemory(void *buffer, KProcessAddress address, size_t size);
Result ReadDebugIoMemory(void *buffer, KProcessAddress address, size_t size, KMemoryState state);
Result WriteDebugMemory(KProcessAddress address, const void *buffer, size_t size);
Result WriteDebugIoMemory(KProcessAddress address, const void *buffer, 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, u32 src_state_mask, u32 src_state, KMemoryPermission src_test_perm, u32 src_attr_mask, u32 src_attr);
Result CopyMemoryFromLinearToKernel(KProcessAddress dst_addr, size_t size, KProcessAddress src_addr, u32 src_state_mask, u32 src_state, KMemoryPermission src_test_perm, u32 src_attr_mask, u32 src_attr);
Result CopyMemoryFromUserToLinear(KProcessAddress dst_addr, size_t size, u32 dst_state_mask, u32 dst_state, KMemoryPermission dst_test_perm, u32 dst_attr_mask, u32 dst_attr, KProcessAddress src_addr);
Result CopyMemoryFromKernelToLinear(KProcessAddress dst_addr, size_t size, u32 dst_state_mask, u32 dst_state, KMemoryPermission dst_test_perm, u32 dst_attr_mask, u32 dst_attr, KProcessAddress src_addr);
Result CopyMemoryFromHeapToHeap(KPageTableBase &dst_page_table, KProcessAddress dst_addr, size_t size, u32 dst_state_mask, u32 dst_state, KMemoryPermission dst_test_perm, u32 dst_attr_mask, u32 dst_attr, KProcessAddress src_addr, u32 src_state_mask, u32 src_state, KMemoryPermission src_test_perm, u32 src_attr_mask, u32 src_attr);
Result CopyMemoryFromHeapToHeapWithoutCheckDestination(KPageTableBase &dst_page_table, KProcessAddress dst_addr, size_t size, u32 dst_state_mask, u32 dst_state, KMemoryPermission dst_test_perm, u32 dst_attr_mask, u32 dst_attr, KProcessAddress src_addr, u32 src_state_mask, u32 src_state, KMemoryPermission src_test_perm, u32 src_attr_mask, u32 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);
void DumpMemoryBlocksLocked() const {
MESOSPHERE_ASSERT(this->IsLockedByCurrentThread());
m_memory_block_manager.DumpBlocks();
}
void DumpMemoryBlocks() const {
KScopedLightLock lk(m_general_lock);
this->DumpMemoryBlocksLocked();
}
void DumpPageTable() const {
KScopedLightLock lk(m_general_lock);
this->GetImpl().Dump(GetInteger(m_address_space_start), m_address_space_end - m_address_space_start);
}
size_t CountPageTables() const {
KScopedLightLock lk(m_general_lock);
return this->GetImpl().CountPageTables();
}
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 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 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 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; }
public:
static ALWAYS_INLINE KVirtualAddress GetLinearMappedVirtualAddress(KPhysicalAddress addr) {
return KMemoryLayout::GetLinearVirtualAddress(addr);
}
static ALWAYS_INLINE KPhysicalAddress GetLinearMappedPhysicalAddress(KVirtualAddress addr) {
return KMemoryLayout::GetLinearPhysicalAddress(addr);
}
static ALWAYS_INLINE KVirtualAddress GetHeapVirtualAddress(KPhysicalAddress addr) {
return GetLinearMappedVirtualAddress(addr);
}
static ALWAYS_INLINE KPhysicalAddress GetHeapPhysicalAddress(KVirtualAddress addr) {
return GetLinearMappedPhysicalAddress(addr);
}
static ALWAYS_INLINE KVirtualAddress GetPageTableVirtualAddress(KPhysicalAddress addr) {
return GetLinearMappedVirtualAddress(addr);
}
static ALWAYS_INLINE KPhysicalAddress GetPageTablePhysicalAddress(KVirtualAddress addr) {
return GetLinearMappedPhysicalAddress(addr);
}
};
}