diff options
Diffstat (limited to 'src/core/hle/kernel/k_page_table.cpp')
| -rw-r--r-- | src/core/hle/kernel/k_page_table.cpp | 153 |
1 files changed, 75 insertions, 78 deletions
diff --git a/src/core/hle/kernel/k_page_table.cpp b/src/core/hle/kernel/k_page_table.cpp index 39b89da53..909162716 100644 --- a/src/core/hle/kernel/k_page_table.cpp +++ b/src/core/hle/kernel/k_page_table.cpp @@ -47,9 +47,9 @@ KPageTable::KPageTable(Core::System& system_) KPageTable::~KPageTable() = default; -ResultCode KPageTable::InitializeForProcess(FileSys::ProgramAddressSpaceType as_type, - bool enable_aslr, VAddr code_addr, - std::size_t code_size, KMemoryManager::Pool pool) { +Result KPageTable::InitializeForProcess(FileSys::ProgramAddressSpaceType as_type, bool enable_aslr, + VAddr code_addr, std::size_t code_size, + KMemoryManager::Pool pool) { const auto GetSpaceStart = [this](KAddressSpaceInfo::Type type) { return KAddressSpaceInfo::GetAddressSpaceStart(address_space_width, type); @@ -257,8 +257,8 @@ ResultCode KPageTable::InitializeForProcess(FileSys::ProgramAddressSpaceType as_ return InitializeMemoryLayout(start, end); } -ResultCode KPageTable::MapProcessCode(VAddr addr, std::size_t num_pages, KMemoryState state, - KMemoryPermission perm) { +Result KPageTable::MapProcessCode(VAddr addr, std::size_t num_pages, KMemoryState state, + KMemoryPermission perm) { const u64 size{num_pages * PageSize}; // Validate the mapping request. @@ -283,7 +283,7 @@ ResultCode KPageTable::MapProcessCode(VAddr addr, std::size_t num_pages, KMemory return ResultSuccess; } -ResultCode KPageTable::MapCodeMemory(VAddr dst_address, VAddr src_address, std::size_t size) { +Result KPageTable::MapCodeMemory(VAddr dst_address, VAddr src_address, std::size_t size) { // Validate the mapping request. R_UNLESS(this->CanContain(dst_address, size, KMemoryState::AliasCode), ResultInvalidMemoryRegion); @@ -344,8 +344,8 @@ ResultCode KPageTable::MapCodeMemory(VAddr dst_address, VAddr src_address, std:: return ResultSuccess; } -ResultCode KPageTable::UnmapCodeMemory(VAddr dst_address, VAddr src_address, std::size_t size, - ICacheInvalidationStrategy icache_invalidation_strategy) { +Result KPageTable::UnmapCodeMemory(VAddr dst_address, VAddr src_address, std::size_t size, + ICacheInvalidationStrategy icache_invalidation_strategy) { // Validate the mapping request. R_UNLESS(this->CanContain(dst_address, size, KMemoryState::AliasCode), ResultInvalidMemoryRegion); @@ -489,7 +489,7 @@ VAddr KPageTable::FindFreeArea(VAddr region_start, std::size_t region_num_pages, return address; } -ResultCode KPageTable::MakePageGroup(KPageLinkedList& pg, VAddr addr, size_t num_pages) { +Result KPageTable::MakePageGroup(KPageLinkedList& pg, VAddr addr, size_t num_pages) { ASSERT(this->IsLockedByCurrentThread()); const size_t size = num_pages * PageSize; @@ -630,8 +630,8 @@ bool KPageTable::IsValidPageGroup(const KPageLinkedList& pg_ll, VAddr addr, size return cur_block_address == cur_addr && cur_block_pages == (cur_size / PageSize); } -ResultCode KPageTable::UnmapProcessMemory(VAddr dst_addr, std::size_t size, - KPageTable& src_page_table, VAddr src_addr) { +Result KPageTable::UnmapProcessMemory(VAddr dst_addr, std::size_t size, KPageTable& src_page_table, + VAddr src_addr) { KScopedLightLock lk(general_lock); const std::size_t num_pages{size / PageSize}; @@ -660,7 +660,7 @@ ResultCode KPageTable::UnmapProcessMemory(VAddr dst_addr, std::size_t size, return ResultSuccess; } -ResultCode KPageTable::MapPhysicalMemory(VAddr address, std::size_t size) { +Result KPageTable::MapPhysicalMemory(VAddr address, std::size_t size) { // Lock the physical memory lock. KScopedLightLock map_phys_mem_lk(map_physical_memory_lock); @@ -903,7 +903,7 @@ ResultCode KPageTable::MapPhysicalMemory(VAddr address, std::size_t size) { } } -ResultCode KPageTable::UnmapPhysicalMemory(VAddr address, std::size_t size) { +Result KPageTable::UnmapPhysicalMemory(VAddr address, std::size_t size) { // Lock the physical memory lock. KScopedLightLock map_phys_mem_lk(map_physical_memory_lock); @@ -1134,7 +1134,7 @@ ResultCode KPageTable::UnmapPhysicalMemory(VAddr address, std::size_t size) { return ResultSuccess; } -ResultCode KPageTable::MapMemory(VAddr dst_addr, VAddr src_addr, std::size_t size) { +Result KPageTable::MapMemory(VAddr dst_addr, VAddr src_addr, std::size_t size) { KScopedLightLock lk(general_lock); KMemoryState src_state{}; @@ -1173,7 +1173,7 @@ ResultCode KPageTable::MapMemory(VAddr dst_addr, VAddr src_addr, std::size_t siz return ResultSuccess; } -ResultCode KPageTable::UnmapMemory(VAddr dst_addr, VAddr src_addr, std::size_t size) { +Result KPageTable::UnmapMemory(VAddr dst_addr, VAddr src_addr, std::size_t size) { KScopedLightLock lk(general_lock); KMemoryState src_state{}; @@ -1215,8 +1215,8 @@ ResultCode KPageTable::UnmapMemory(VAddr dst_addr, VAddr src_addr, std::size_t s return ResultSuccess; } -ResultCode KPageTable::MapPages(VAddr addr, const KPageLinkedList& page_linked_list, - KMemoryPermission perm) { +Result KPageTable::MapPages(VAddr addr, const KPageLinkedList& page_linked_list, + KMemoryPermission perm) { ASSERT(this->IsLockedByCurrentThread()); VAddr cur_addr{addr}; @@ -1239,8 +1239,8 @@ ResultCode KPageTable::MapPages(VAddr addr, const KPageLinkedList& page_linked_l return ResultSuccess; } -ResultCode KPageTable::MapPages(VAddr address, KPageLinkedList& page_linked_list, - KMemoryState state, KMemoryPermission perm) { +Result KPageTable::MapPages(VAddr address, KPageLinkedList& page_linked_list, KMemoryState state, + KMemoryPermission perm) { // Check that the map is in range. const std::size_t num_pages{page_linked_list.GetNumPages()}; const std::size_t size{num_pages * PageSize}; @@ -1263,10 +1263,10 @@ ResultCode KPageTable::MapPages(VAddr address, KPageLinkedList& page_linked_list return ResultSuccess; } -ResultCode KPageTable::MapPages(VAddr* out_addr, std::size_t num_pages, std::size_t alignment, - PAddr phys_addr, bool is_pa_valid, VAddr region_start, - std::size_t region_num_pages, KMemoryState state, - KMemoryPermission perm) { +Result KPageTable::MapPages(VAddr* out_addr, std::size_t num_pages, std::size_t alignment, + PAddr phys_addr, bool is_pa_valid, VAddr region_start, + std::size_t region_num_pages, KMemoryState state, + KMemoryPermission perm) { ASSERT(Common::IsAligned(alignment, PageSize) && alignment >= PageSize); // Ensure this is a valid map request. @@ -1303,7 +1303,7 @@ ResultCode KPageTable::MapPages(VAddr* out_addr, std::size_t num_pages, std::siz return ResultSuccess; } -ResultCode KPageTable::UnmapPages(VAddr addr, const KPageLinkedList& page_linked_list) { +Result KPageTable::UnmapPages(VAddr addr, const KPageLinkedList& page_linked_list) { ASSERT(this->IsLockedByCurrentThread()); VAddr cur_addr{addr}; @@ -1321,8 +1321,7 @@ ResultCode KPageTable::UnmapPages(VAddr addr, const KPageLinkedList& page_linked return ResultSuccess; } -ResultCode KPageTable::UnmapPages(VAddr addr, KPageLinkedList& page_linked_list, - KMemoryState state) { +Result KPageTable::UnmapPages(VAddr addr, KPageLinkedList& page_linked_list, KMemoryState state) { // Check that the unmap is in range. const std::size_t num_pages{page_linked_list.GetNumPages()}; const std::size_t size{num_pages * PageSize}; @@ -1345,7 +1344,7 @@ ResultCode KPageTable::UnmapPages(VAddr addr, KPageLinkedList& page_linked_list, return ResultSuccess; } -ResultCode KPageTable::UnmapPages(VAddr address, std::size_t num_pages, KMemoryState state) { +Result KPageTable::UnmapPages(VAddr address, std::size_t num_pages, KMemoryState state) { // Check that the unmap is in range. const std::size_t size = num_pages * PageSize; R_UNLESS(this->Contains(address, size), ResultInvalidCurrentMemory); @@ -1369,10 +1368,10 @@ ResultCode KPageTable::UnmapPages(VAddr address, std::size_t num_pages, KMemoryS return ResultSuccess; } -ResultCode KPageTable::MakeAndOpenPageGroup(KPageLinkedList* out, VAddr address, size_t num_pages, - KMemoryState state_mask, KMemoryState state, - KMemoryPermission perm_mask, KMemoryPermission perm, - KMemoryAttribute attr_mask, KMemoryAttribute attr) { +Result KPageTable::MakeAndOpenPageGroup(KPageLinkedList* out, VAddr address, size_t num_pages, + KMemoryState state_mask, KMemoryState state, + KMemoryPermission perm_mask, KMemoryPermission perm, + KMemoryAttribute attr_mask, KMemoryAttribute attr) { // Ensure that the page group isn't null. ASSERT(out != nullptr); @@ -1394,8 +1393,8 @@ ResultCode KPageTable::MakeAndOpenPageGroup(KPageLinkedList* out, VAddr address, return ResultSuccess; } -ResultCode KPageTable::SetProcessMemoryPermission(VAddr addr, std::size_t size, - Svc::MemoryPermission svc_perm) { +Result KPageTable::SetProcessMemoryPermission(VAddr addr, std::size_t size, + Svc::MemoryPermission svc_perm) { const size_t num_pages = size / PageSize; // Lock the table. @@ -1467,7 +1466,7 @@ KMemoryInfo KPageTable::QueryInfo(VAddr addr) { return QueryInfoImpl(addr); } -ResultCode KPageTable::ReserveTransferMemory(VAddr addr, std::size_t size, KMemoryPermission perm) { +Result KPageTable::ReserveTransferMemory(VAddr addr, std::size_t size, KMemoryPermission perm) { KScopedLightLock lk(general_lock); KMemoryState state{}; @@ -1485,7 +1484,7 @@ ResultCode KPageTable::ReserveTransferMemory(VAddr addr, std::size_t size, KMemo return ResultSuccess; } -ResultCode KPageTable::ResetTransferMemory(VAddr addr, std::size_t size) { +Result KPageTable::ResetTransferMemory(VAddr addr, std::size_t size) { KScopedLightLock lk(general_lock); KMemoryState state{}; @@ -1500,8 +1499,8 @@ ResultCode KPageTable::ResetTransferMemory(VAddr addr, std::size_t size) { return ResultSuccess; } -ResultCode KPageTable::SetMemoryPermission(VAddr addr, std::size_t size, - Svc::MemoryPermission svc_perm) { +Result KPageTable::SetMemoryPermission(VAddr addr, std::size_t size, + Svc::MemoryPermission svc_perm) { const size_t num_pages = size / PageSize; // Lock the table. @@ -1528,7 +1527,7 @@ ResultCode KPageTable::SetMemoryPermission(VAddr addr, std::size_t size, return ResultSuccess; } -ResultCode KPageTable::SetMemoryAttribute(VAddr addr, std::size_t size, u32 mask, u32 attr) { +Result KPageTable::SetMemoryAttribute(VAddr addr, std::size_t size, u32 mask, u32 attr) { const size_t num_pages = size / PageSize; ASSERT((static_cast<KMemoryAttribute>(mask) | KMemoryAttribute::SetMask) == KMemoryAttribute::SetMask); @@ -1563,7 +1562,7 @@ ResultCode KPageTable::SetMemoryAttribute(VAddr addr, std::size_t size, u32 mask return ResultSuccess; } -ResultCode KPageTable::SetMaxHeapSize(std::size_t size) { +Result KPageTable::SetMaxHeapSize(std::size_t size) { // Lock the table. KScopedLightLock lk(general_lock); @@ -1575,7 +1574,7 @@ ResultCode KPageTable::SetMaxHeapSize(std::size_t size) { return ResultSuccess; } -ResultCode KPageTable::SetHeapSize(VAddr* out, std::size_t size) { +Result KPageTable::SetHeapSize(VAddr* out, std::size_t size) { // Lock the physical memory mutex. KScopedLightLock map_phys_mem_lk(map_physical_memory_lock); @@ -1729,11 +1728,11 @@ ResultVal<VAddr> KPageTable::AllocateAndMapMemory(std::size_t needed_num_pages, return addr; } -ResultCode KPageTable::LockForDeviceAddressSpace(VAddr addr, std::size_t size) { +Result KPageTable::LockForDeviceAddressSpace(VAddr addr, std::size_t size) { KScopedLightLock lk(general_lock); KMemoryPermission perm{}; - if (const ResultCode result{CheckMemoryState( + if (const Result result{CheckMemoryState( nullptr, &perm, nullptr, nullptr, addr, size, KMemoryState::FlagCanChangeAttribute, KMemoryState::FlagCanChangeAttribute, KMemoryPermission::None, KMemoryPermission::None, KMemoryAttribute::LockedAndIpcLocked, KMemoryAttribute::None, @@ -1752,11 +1751,11 @@ ResultCode KPageTable::LockForDeviceAddressSpace(VAddr addr, std::size_t size) { return ResultSuccess; } -ResultCode KPageTable::UnlockForDeviceAddressSpace(VAddr addr, std::size_t size) { +Result KPageTable::UnlockForDeviceAddressSpace(VAddr addr, std::size_t size) { KScopedLightLock lk(general_lock); KMemoryPermission perm{}; - if (const ResultCode result{CheckMemoryState( + if (const Result result{CheckMemoryState( nullptr, &perm, nullptr, nullptr, addr, size, KMemoryState::FlagCanChangeAttribute, KMemoryState::FlagCanChangeAttribute, KMemoryPermission::None, KMemoryPermission::None, KMemoryAttribute::LockedAndIpcLocked, KMemoryAttribute::None, @@ -1775,7 +1774,7 @@ ResultCode KPageTable::UnlockForDeviceAddressSpace(VAddr addr, std::size_t size) return ResultSuccess; } -ResultCode KPageTable::LockForCodeMemory(KPageLinkedList* out, VAddr addr, std::size_t size) { +Result KPageTable::LockForCodeMemory(KPageLinkedList* out, VAddr addr, std::size_t size) { return this->LockMemoryAndOpen( out, nullptr, addr, size, KMemoryState::FlagCanCodeMemory, KMemoryState::FlagCanCodeMemory, KMemoryPermission::All, KMemoryPermission::UserReadWrite, KMemoryAttribute::All, @@ -1785,15 +1784,14 @@ ResultCode KPageTable::LockForCodeMemory(KPageLinkedList* out, VAddr addr, std:: KMemoryAttribute::Locked); } -ResultCode KPageTable::UnlockForCodeMemory(VAddr addr, std::size_t size, - const KPageLinkedList& pg) { +Result KPageTable::UnlockForCodeMemory(VAddr addr, std::size_t size, const KPageLinkedList& pg) { return this->UnlockMemory( addr, size, KMemoryState::FlagCanCodeMemory, KMemoryState::FlagCanCodeMemory, KMemoryPermission::None, KMemoryPermission::None, KMemoryAttribute::All, KMemoryAttribute::Locked, KMemoryPermission::UserReadWrite, KMemoryAttribute::Locked, &pg); } -ResultCode KPageTable::InitializeMemoryLayout(VAddr start, VAddr end) { +Result KPageTable::InitializeMemoryLayout(VAddr start, VAddr end) { block_manager = std::make_unique<KMemoryBlockManager>(start, end); return ResultSuccess; @@ -1837,8 +1835,8 @@ VAddr KPageTable::AllocateVirtualMemory(VAddr start, std::size_t region_num_page IsKernel() ? 1 : 4); } -ResultCode KPageTable::Operate(VAddr addr, std::size_t num_pages, const KPageLinkedList& page_group, - OperationType operation) { +Result KPageTable::Operate(VAddr addr, std::size_t num_pages, const KPageLinkedList& page_group, + OperationType operation) { ASSERT(this->IsLockedByCurrentThread()); ASSERT(Common::IsAligned(addr, PageSize)); @@ -1862,8 +1860,8 @@ ResultCode KPageTable::Operate(VAddr addr, std::size_t num_pages, const KPageLin return ResultSuccess; } -ResultCode KPageTable::Operate(VAddr addr, std::size_t num_pages, KMemoryPermission perm, - OperationType operation, PAddr map_addr) { +Result KPageTable::Operate(VAddr addr, std::size_t num_pages, KMemoryPermission perm, + OperationType operation, PAddr map_addr) { ASSERT(this->IsLockedByCurrentThread()); ASSERT(num_pages > 0); @@ -2005,10 +2003,10 @@ bool KPageTable::CanContain(VAddr addr, std::size_t size, KMemoryState state) co } } -ResultCode KPageTable::CheckMemoryState(const KMemoryInfo& info, KMemoryState state_mask, - KMemoryState state, KMemoryPermission perm_mask, - KMemoryPermission perm, KMemoryAttribute attr_mask, - KMemoryAttribute attr) const { +Result KPageTable::CheckMemoryState(const KMemoryInfo& info, KMemoryState state_mask, + KMemoryState state, KMemoryPermission perm_mask, + KMemoryPermission perm, KMemoryAttribute attr_mask, + KMemoryAttribute attr) const { // Validate the states match expectation. R_UNLESS((info.state & state_mask) == state, ResultInvalidCurrentMemory); R_UNLESS((info.perm & perm_mask) == perm, ResultInvalidCurrentMemory); @@ -2017,12 +2015,11 @@ ResultCode KPageTable::CheckMemoryState(const KMemoryInfo& info, KMemoryState st return ResultSuccess; } -ResultCode KPageTable::CheckMemoryStateContiguous(std::size_t* out_blocks_needed, VAddr addr, - std::size_t size, KMemoryState state_mask, - KMemoryState state, KMemoryPermission perm_mask, - KMemoryPermission perm, - KMemoryAttribute attr_mask, - KMemoryAttribute attr) const { +Result KPageTable::CheckMemoryStateContiguous(std::size_t* out_blocks_needed, VAddr addr, + std::size_t size, KMemoryState state_mask, + KMemoryState state, KMemoryPermission perm_mask, + KMemoryPermission perm, KMemoryAttribute attr_mask, + KMemoryAttribute attr) const { ASSERT(this->IsLockedByCurrentThread()); // Get information about the first block. @@ -2060,12 +2057,12 @@ ResultCode KPageTable::CheckMemoryStateContiguous(std::size_t* out_blocks_needed return ResultSuccess; } -ResultCode KPageTable::CheckMemoryState(KMemoryState* out_state, KMemoryPermission* out_perm, - KMemoryAttribute* out_attr, std::size_t* out_blocks_needed, - VAddr addr, std::size_t size, KMemoryState state_mask, - KMemoryState state, KMemoryPermission perm_mask, - KMemoryPermission perm, KMemoryAttribute attr_mask, - KMemoryAttribute attr, KMemoryAttribute ignore_attr) const { +Result KPageTable::CheckMemoryState(KMemoryState* out_state, KMemoryPermission* out_perm, + KMemoryAttribute* out_attr, std::size_t* out_blocks_needed, + VAddr addr, std::size_t size, KMemoryState state_mask, + KMemoryState state, KMemoryPermission perm_mask, + KMemoryPermission perm, KMemoryAttribute attr_mask, + KMemoryAttribute attr, KMemoryAttribute ignore_attr) const { ASSERT(this->IsLockedByCurrentThread()); // Get information about the first block. @@ -2122,11 +2119,11 @@ ResultCode KPageTable::CheckMemoryState(KMemoryState* out_state, KMemoryPermissi return ResultSuccess; } -ResultCode KPageTable::LockMemoryAndOpen(KPageLinkedList* out_pg, PAddr* out_paddr, VAddr 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 KPageTable::LockMemoryAndOpen(KPageLinkedList* out_pg, PAddr* out_paddr, VAddr 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) { // Validate basic preconditions. ASSERT((lock_attr & attr) == KMemoryAttribute::None); ASSERT((lock_attr & (KMemoryAttribute::IpcLocked | KMemoryAttribute::DeviceShared)) == @@ -2180,11 +2177,11 @@ ResultCode KPageTable::LockMemoryAndOpen(KPageLinkedList* out_pg, PAddr* out_pad return ResultSuccess; } -ResultCode KPageTable::UnlockMemory(VAddr 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 KPageLinkedList* pg) { +Result KPageTable::UnlockMemory(VAddr 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 KPageLinkedList* pg) { // Validate basic preconditions. ASSERT((attr_mask & lock_attr) == lock_attr); ASSERT((attr & lock_attr) == lock_attr); |