diff options
Diffstat (limited to 'src/core/hle/kernel')
-rw-r--r-- | src/core/hle/kernel/k_memory_block.h | 36 | ||||
-rw-r--r-- | src/core/hle/kernel/k_page_table.cpp | 201 | ||||
-rw-r--r-- | src/core/hle/kernel/k_page_table.h | 44 | ||||
-rw-r--r-- | src/core/hle/kernel/svc_types.h | 1 |
4 files changed, 166 insertions, 116 deletions
diff --git a/src/core/hle/kernel/k_memory_block.h b/src/core/hle/kernel/k_memory_block.h index 9e51c33ce..dcca47f1b 100644 --- a/src/core/hle/kernel/k_memory_block.h +++ b/src/core/hle/kernel/k_memory_block.h @@ -70,12 +70,12 @@ enum class KMemoryState : u32 { ThreadLocal = static_cast<u32>(Svc::MemoryState::ThreadLocal) | FlagMapped | FlagReferenceCounted, - Transferred = static_cast<u32>(Svc::MemoryState::Transferred) | FlagsMisc | - FlagCanAlignedDeviceMap | FlagCanChangeAttribute | FlagCanUseIpc | - FlagCanUseNonSecureIpc | FlagCanUseNonDeviceIpc, + Transfered = static_cast<u32>(Svc::MemoryState::Transferred) | FlagsMisc | + FlagCanAlignedDeviceMap | FlagCanChangeAttribute | FlagCanUseIpc | + FlagCanUseNonSecureIpc | FlagCanUseNonDeviceIpc, - SharedTransferred = static_cast<u32>(Svc::MemoryState::SharedTransferred) | FlagsMisc | - FlagCanAlignedDeviceMap | FlagCanUseNonSecureIpc | FlagCanUseNonDeviceIpc, + SharedTransfered = static_cast<u32>(Svc::MemoryState::SharedTransferred) | FlagsMisc | + FlagCanAlignedDeviceMap | FlagCanUseNonSecureIpc | FlagCanUseNonDeviceIpc, SharedCode = static_cast<u32>(Svc::MemoryState::SharedCode) | FlagMapped | FlagReferenceCounted | FlagCanUseNonSecureIpc | FlagCanUseNonDeviceIpc, @@ -93,6 +93,8 @@ enum class KMemoryState : u32 { GeneratedCode = static_cast<u32>(Svc::MemoryState::GeneratedCode) | FlagMapped | FlagReferenceCounted | FlagCanDebug, CodeOut = static_cast<u32>(Svc::MemoryState::CodeOut) | FlagMapped | FlagReferenceCounted, + + Coverage = static_cast<u32>(Svc::MemoryState::Coverage) | FlagMapped, }; DECLARE_ENUM_FLAG_OPERATORS(KMemoryState); @@ -108,8 +110,8 @@ 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::Transfered) == 0x015C3C0D); +static_assert(static_cast<u32>(KMemoryState::SharedTransfered) == 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); @@ -117,6 +119,7 @@ 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); +static_assert(static_cast<u32>(KMemoryState::Coverage) == 0x00002016); enum class KMemoryPermission : u8 { None = 0, @@ -155,7 +158,13 @@ enum class KMemoryPermission : u8 { DECLARE_ENUM_FLAG_OPERATORS(KMemoryPermission); constexpr KMemoryPermission ConvertToKMemoryPermission(Svc::MemoryPermission perm) { - return static_cast<KMemoryPermission>(perm); + return static_cast<KMemoryPermission>( + (static_cast<KMemoryPermission>(perm) & KMemoryPermission::UserMask) | + KMemoryPermission::KernelRead | + ((static_cast<KMemoryPermission>(perm) & KMemoryPermission::UserWrite) + << KMemoryPermission::KernelShift) | + (perm == Svc::MemoryPermission::None ? KMemoryPermission::NotMapped + : KMemoryPermission::None)); } enum class KMemoryAttribute : u8 { @@ -169,6 +178,8 @@ enum class KMemoryAttribute : u8 { DeviceShared = static_cast<u8>(Svc::MemoryAttribute::DeviceShared), Uncached = static_cast<u8>(Svc::MemoryAttribute::Uncached), + SetMask = Uncached, + IpcAndDeviceMapped = IpcLocked | DeviceShared, LockedAndIpcLocked = Locked | IpcLocked, DeviceSharedAndUncached = DeviceShared | Uncached @@ -215,6 +226,15 @@ struct KMemoryInfo { constexpr VAddr GetLastAddress() const { return GetEndAddress() - 1; } + constexpr KMemoryState GetState() const { + return state; + } + constexpr KMemoryAttribute GetAttribute() const { + return attribute; + } + constexpr KMemoryPermission GetPermission() const { + return perm; + } }; class KMemoryBlock final { diff --git a/src/core/hle/kernel/k_page_table.cpp b/src/core/hle/kernel/k_page_table.cpp index 4da509224..e86ded58b 100644 --- a/src/core/hle/kernel/k_page_table.cpp +++ b/src/core/hle/kernel/k_page_table.cpp @@ -305,8 +305,8 @@ ResultCode KPageTable::MapProcessCodeMemory(VAddr dst_addr, VAddr src_addr, std: KMemoryState state{}; KMemoryPermission perm{}; - CASCADE_CODE(CheckMemoryState(&state, &perm, nullptr, src_addr, size, KMemoryState::All, - KMemoryState::Normal, KMemoryPermission::All, + CASCADE_CODE(CheckMemoryState(&state, &perm, nullptr, nullptr, src_addr, size, + KMemoryState::All, KMemoryState::Normal, KMemoryPermission::All, KMemoryPermission::ReadAndWrite, KMemoryAttribute::Mask, KMemoryAttribute::None, KMemoryAttribute::IpcAndDeviceMapped)); @@ -344,14 +344,14 @@ ResultCode KPageTable::UnmapProcessCodeMemory(VAddr dst_addr, VAddr src_addr, st const std::size_t num_pages{size / PageSize}; - CASCADE_CODE(CheckMemoryState(nullptr, nullptr, nullptr, src_addr, size, KMemoryState::All, - KMemoryState::Normal, KMemoryPermission::None, + CASCADE_CODE(CheckMemoryState(nullptr, nullptr, nullptr, nullptr, src_addr, size, + KMemoryState::All, KMemoryState::Normal, KMemoryPermission::None, KMemoryPermission::None, KMemoryAttribute::Mask, KMemoryAttribute::Locked, KMemoryAttribute::IpcAndDeviceMapped)); KMemoryState state{}; CASCADE_CODE(CheckMemoryState( - &state, nullptr, nullptr, dst_addr, PageSize, KMemoryState::FlagCanCodeAlias, + &state, nullptr, 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, @@ -553,7 +553,7 @@ ResultCode KPageTable::Map(VAddr dst_addr, VAddr src_addr, std::size_t size) { KMemoryState src_state{}; CASCADE_CODE(CheckMemoryState( - &src_state, nullptr, nullptr, src_addr, size, KMemoryState::FlagCanAlias, + &src_state, nullptr, nullptr, nullptr, src_addr, size, KMemoryState::FlagCanAlias, KMemoryState::FlagCanAlias, KMemoryPermission::All, KMemoryPermission::ReadAndWrite, KMemoryAttribute::Mask, KMemoryAttribute::None, KMemoryAttribute::IpcAndDeviceMapped)); @@ -592,13 +592,13 @@ ResultCode KPageTable::Unmap(VAddr dst_addr, VAddr src_addr, std::size_t size) { KMemoryState src_state{}; CASCADE_CODE(CheckMemoryState( - &src_state, nullptr, nullptr, src_addr, size, KMemoryState::FlagCanAlias, + &src_state, nullptr, nullptr, nullptr, src_addr, size, KMemoryState::FlagCanAlias, KMemoryState::FlagCanAlias, KMemoryPermission::All, KMemoryPermission::None, KMemoryAttribute::Mask, KMemoryAttribute::Locked, KMemoryAttribute::IpcAndDeviceMapped)); KMemoryPermission dst_perm{}; - CASCADE_CODE(CheckMemoryState(nullptr, &dst_perm, nullptr, dst_addr, size, KMemoryState::All, - KMemoryState::Stack, KMemoryPermission::None, + CASCADE_CODE(CheckMemoryState(nullptr, &dst_perm, nullptr, nullptr, dst_addr, size, + KMemoryState::All, KMemoryState::Stack, KMemoryPermission::None, KMemoryPermission::None, KMemoryAttribute::Mask, KMemoryAttribute::None, KMemoryAttribute::IpcAndDeviceMapped)); @@ -721,7 +721,7 @@ ResultCode KPageTable::SetProcessMemoryPermission(VAddr addr, std::size_t size, KMemoryPermission prev_perm{}; CASCADE_CODE(CheckMemoryState( - &prev_state, &prev_perm, nullptr, addr, size, KMemoryState::FlagCode, + &prev_state, &prev_perm, nullptr, nullptr, addr, size, KMemoryState::FlagCode, KMemoryState::FlagCode, KMemoryPermission::None, KMemoryPermission::None, KMemoryAttribute::Mask, KMemoryAttribute::None, KMemoryAttribute::IpcAndDeviceMapped)); @@ -782,7 +782,7 @@ ResultCode KPageTable::ReserveTransferMemory(VAddr addr, std::size_t size, KMemo KMemoryAttribute attribute{}; CASCADE_CODE(CheckMemoryState( - &state, nullptr, &attribute, addr, size, + &state, nullptr, &attribute, nullptr, addr, size, KMemoryState::FlagCanTransfer | KMemoryState::FlagReferenceCounted, KMemoryState::FlagCanTransfer | KMemoryState::FlagReferenceCounted, KMemoryPermission::All, KMemoryPermission::ReadAndWrite, KMemoryAttribute::Mask, KMemoryAttribute::None, @@ -799,7 +799,7 @@ ResultCode KPageTable::ResetTransferMemory(VAddr addr, std::size_t size) { KMemoryState state{}; CASCADE_CODE( - CheckMemoryState(&state, nullptr, nullptr, addr, size, + CheckMemoryState(&state, nullptr, nullptr, nullptr, addr, size, KMemoryState::FlagCanTransfer | KMemoryState::FlagReferenceCounted, KMemoryState::FlagCanTransfer | KMemoryState::FlagReferenceCounted, KMemoryPermission::None, KMemoryPermission::None, KMemoryAttribute::Mask, @@ -820,7 +820,7 @@ ResultCode KPageTable::SetMemoryPermission(VAddr addr, std::size_t size, KMemoryState old_state; KMemoryPermission old_perm; R_TRY(this->CheckMemoryState( - std::addressof(old_state), std::addressof(old_perm), nullptr, addr, size, + std::addressof(old_state), std::addressof(old_perm), nullptr, nullptr, addr, size, KMemoryState::FlagCanReprotect, KMemoryState::FlagCanReprotect, KMemoryPermission::None, KMemoryPermission::None, KMemoryAttribute::All, KMemoryAttribute::None)); @@ -846,7 +846,7 @@ ResultCode KPageTable::SetMemoryAttribute(VAddr addr, std::size_t size, KMemoryA KMemoryAttribute attribute{}; CASCADE_CODE(CheckMemoryState( - &state, &perm, &attribute, addr, size, KMemoryState::FlagCanChangeAttribute, + &state, &perm, &attribute, nullptr, addr, size, KMemoryState::FlagCanChangeAttribute, KMemoryState::FlagCanChangeAttribute, KMemoryPermission::None, KMemoryPermission::None, KMemoryAttribute::LockedAndIpcLocked, KMemoryAttribute::None, KMemoryAttribute::DeviceSharedAndUncached)); @@ -1019,7 +1019,7 @@ ResultCode KPageTable::LockForDeviceAddressSpace(VAddr addr, std::size_t size) { KMemoryPermission perm{}; if (const ResultCode result{CheckMemoryState( - nullptr, &perm, nullptr, addr, size, KMemoryState::FlagCanChangeAttribute, + nullptr, &perm, nullptr, nullptr, addr, size, KMemoryState::FlagCanChangeAttribute, KMemoryState::FlagCanChangeAttribute, KMemoryPermission::None, KMemoryPermission::None, KMemoryAttribute::LockedAndIpcLocked, KMemoryAttribute::None, KMemoryAttribute::DeviceSharedAndUncached)}; @@ -1042,7 +1042,7 @@ ResultCode KPageTable::UnlockForDeviceAddressSpace(VAddr addr, std::size_t size) KMemoryPermission perm{}; if (const ResultCode result{CheckMemoryState( - nullptr, &perm, nullptr, addr, size, KMemoryState::FlagCanChangeAttribute, + nullptr, &perm, nullptr, nullptr, addr, size, KMemoryState::FlagCanChangeAttribute, KMemoryState::FlagCanChangeAttribute, KMemoryPermission::None, KMemoryPermission::None, KMemoryAttribute::LockedAndIpcLocked, KMemoryAttribute::None, KMemoryAttribute::DeviceSharedAndUncached)}; @@ -1068,7 +1068,7 @@ ResultCode KPageTable::LockForCodeMemory(VAddr addr, std::size_t size) { KMemoryPermission old_perm{}; if (const ResultCode result{CheckMemoryState( - nullptr, &old_perm, nullptr, addr, size, KMemoryState::FlagCanCodeMemory, + nullptr, &old_perm, nullptr, nullptr, addr, size, KMemoryState::FlagCanCodeMemory, KMemoryState::FlagCanCodeMemory, KMemoryPermission::All, KMemoryPermission::UserReadWrite, KMemoryAttribute::All, KMemoryAttribute::None)}; result.IsError()) { @@ -1095,7 +1095,7 @@ ResultCode KPageTable::UnlockForCodeMemory(VAddr addr, std::size_t size) { KMemoryPermission old_perm{}; if (const ResultCode result{CheckMemoryState( - nullptr, &old_perm, nullptr, addr, size, KMemoryState::FlagCanCodeMemory, + nullptr, &old_perm, nullptr, nullptr, addr, size, KMemoryState::FlagCanCodeMemory, KMemoryState::FlagCanCodeMemory, KMemoryPermission::None, KMemoryPermission::None, KMemoryAttribute::All, KMemoryAttribute::Locked)}; result.IsError()) { @@ -1225,18 +1225,19 @@ constexpr VAddr KPageTable::GetRegionAddress(KMemoryState state) const { return alias_region_start; case KMemoryState::Stack: return stack_region_start; - case KMemoryState::Io: case KMemoryState::Static: case KMemoryState::ThreadLocal: return kernel_map_region_start; + case KMemoryState::Io: case KMemoryState::Shared: case KMemoryState::AliasCode: case KMemoryState::AliasCodeData: - case KMemoryState::Transferred: - case KMemoryState::SharedTransferred: + case KMemoryState::Transfered: + case KMemoryState::SharedTransfered: case KMemoryState::SharedCode: case KMemoryState::GeneratedCode: case KMemoryState::CodeOut: + case KMemoryState::Coverage: return alias_code_region_start; case KMemoryState::Code: case KMemoryState::CodeData: @@ -1260,18 +1261,19 @@ constexpr std::size_t KPageTable::GetRegionSize(KMemoryState state) const { return alias_region_end - alias_region_start; case KMemoryState::Stack: return stack_region_end - stack_region_start; - case KMemoryState::Io: case KMemoryState::Static: case KMemoryState::ThreadLocal: return kernel_map_region_end - kernel_map_region_start; + case KMemoryState::Io: case KMemoryState::Shared: case KMemoryState::AliasCode: case KMemoryState::AliasCodeData: - case KMemoryState::Transferred: - case KMemoryState::SharedTransferred: + case KMemoryState::Transfered: + case KMemoryState::SharedTransfered: case KMemoryState::SharedCode: case KMemoryState::GeneratedCode: case KMemoryState::CodeOut: + case KMemoryState::Coverage: return alias_code_region_end - alias_code_region_start; case KMemoryState::Code: case KMemoryState::CodeData: @@ -1283,15 +1285,18 @@ constexpr std::size_t KPageTable::GetRegionSize(KMemoryState state) const { } bool KPageTable::CanContain(VAddr addr, std::size_t size, KMemoryState state) const { - const VAddr end{addr + size}; - const VAddr last{end - 1}; - const VAddr region_start{GetRegionAddress(state)}; - const std::size_t region_size{GetRegionSize(state)}; - const bool is_in_region{region_start <= addr && addr < end && - last <= region_start + region_size - 1}; - const bool is_in_heap{!(end <= heap_region_start || heap_region_end <= addr)}; - const bool is_in_alias{!(end <= alias_region_start || alias_region_end <= addr)}; - + const VAddr end = addr + size; + const VAddr last = end - 1; + + const VAddr region_start = this->GetRegionAddress(state); + const size_t region_size = this->GetRegionSize(state); + + const bool is_in_region = + region_start <= addr && addr < end && last <= region_start + region_size - 1; + const bool is_in_heap = !(end <= heap_region_start || heap_region_end <= addr || + heap_region_start == heap_region_end); + const bool is_in_alias = !(end <= alias_region_start || alias_region_end <= addr || + alias_region_start == alias_region_end); switch (state) { case KMemoryState::Free: case KMemoryState::Kernel: @@ -1305,11 +1310,12 @@ bool KPageTable::CanContain(VAddr addr, std::size_t size, KMemoryState state) co case KMemoryState::AliasCodeData: case KMemoryState::Stack: case KMemoryState::ThreadLocal: - case KMemoryState::Transferred: - case KMemoryState::SharedTransferred: + case KMemoryState::Transfered: + case KMemoryState::SharedTransfered: case KMemoryState::SharedCode: case KMemoryState::GeneratedCode: case KMemoryState::CodeOut: + case KMemoryState::Coverage: return is_in_region && !is_in_heap && !is_in_alias; case KMemoryState::Normal: ASSERT(is_in_heap); @@ -1324,100 +1330,91 @@ bool KPageTable::CanContain(VAddr addr, std::size_t size, KMemoryState state) co } } -constexpr ResultCode KPageTable::CheckMemoryState(const KMemoryInfo& info, KMemoryState state_mask, - KMemoryState state, KMemoryPermission perm_mask, - KMemoryPermission perm, - KMemoryAttribute attr_mask, - KMemoryAttribute attr) const { - // Validate the states match expectation - if ((info.state & state_mask) != state) { - return ResultInvalidCurrentMemory; - } - if ((info.perm & perm_mask) != perm) { - return ResultInvalidCurrentMemory; - } - if ((info.attribute & attr_mask) != attr) { - return ResultInvalidCurrentMemory; - } +ResultCode KPageTable::CheckMemoryState(const KMemoryInfo& info, KMemoryState state_mask, + KMemoryState state, KMemoryPermission perm_mask, + KMemoryPermission perm, KMemoryAttribute attr_mask, + KMemoryAttribute attr) const { + // Validate the states match expectation. + R_UNLESS((info.state & state_mask) == state, ResultInvalidCurrentMemory); + R_UNLESS((info.perm & perm_mask) == perm, ResultInvalidCurrentMemory); + R_UNLESS((info.attribute & attr_mask) == attr, ResultInvalidCurrentMemory); return ResultSuccess; } -ResultCode KPageTable::CheckMemoryState(KMemoryState* out_state, KMemoryPermission* out_perm, - KMemoryAttribute* out_attr, VAddr addr, std::size_t size, - KMemoryState state_mask, KMemoryState state, - KMemoryPermission perm_mask, KMemoryPermission perm, - KMemoryAttribute attr_mask, KMemoryAttribute attr, - KMemoryAttribute ignore_attr) { - std::lock_guard lock{page_table_lock}; +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 { + ASSERT(this->IsLockedByCurrentThread()); - // Get information about the first block - const VAddr last_addr{addr + size - 1}; - KMemoryBlockManager::const_iterator it{block_manager->FindIterator(addr)}; - KMemoryInfo info{it->GetMemoryInfo()}; + // Get information about the first block. + const VAddr last_addr = addr + size - 1; + KMemoryBlockManager::const_iterator it = block_manager->FindIterator(addr); + KMemoryInfo info = it->GetMemoryInfo(); - // Validate all blocks in the range have correct state - const KMemoryState first_state{info.state}; - const KMemoryPermission first_perm{info.perm}; - const KMemoryAttribute first_attr{info.attribute}; + // If the start address isn't aligned, we need a block. + const size_t blocks_for_start_align = + (Common::AlignDown(addr, PageSize) != info.GetAddress()) ? 1 : 0; while (true) { - // Validate the current block - if (!(info.state == first_state)) { - return ResultInvalidCurrentMemory; - } - if (!(info.perm == first_perm)) { - return ResultInvalidCurrentMemory; - } - if (!((info.attribute | static_cast<KMemoryAttribute>(ignore_attr)) == - (first_attr | static_cast<KMemoryAttribute>(ignore_attr)))) { - return ResultInvalidCurrentMemory; - } - - // Validate against the provided masks - CASCADE_CODE(CheckMemoryState(info, state_mask, state, perm_mask, perm, attr_mask, attr)); + // Validate against the provided masks. + R_TRY(this->CheckMemoryState(info, state_mask, state, perm_mask, perm, attr_mask, attr)); - // Break once we're done + // Break once we're done. if (last_addr <= info.GetLastAddress()) { break; } - // Advance our iterator + // Advance our iterator. it++; ASSERT(it != block_manager->cend()); info = it->GetMemoryInfo(); } - // Write output state - if (out_state) { - *out_state = first_state; - } - if (out_perm) { - *out_perm = first_perm; - } - if (out_attr) { - *out_attr = first_attr & static_cast<KMemoryAttribute>(~ignore_attr); + // If the end address isn't aligned, we need a block. + const size_t blocks_for_end_align = + (Common::AlignUp(addr + size, PageSize) != info.GetEndAddress()) ? 1 : 0; + + if (out_blocks_needed != nullptr) { + *out_blocks_needed = blocks_for_start_align + blocks_for_end_align; } return ResultSuccess; } -ResultCode KPageTable::CheckMemoryState(size_t* out_blocks_needed, VAddr addr, size_t size, - KMemoryState state_mask, KMemoryState state, - KMemoryPermission perm_mask, KMemoryPermission perm, - KMemoryAttribute attr_mask, KMemoryAttribute attr) const { +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 { + ASSERT(this->IsLockedByCurrentThread()); + // Get information about the first block. const VAddr last_addr = addr + size - 1; - KMemoryBlockManager::const_iterator it{block_manager->FindIterator(addr)}; + KMemoryBlockManager::const_iterator it = block_manager->FindIterator(addr); KMemoryInfo info = it->GetMemoryInfo(); // If the start address isn't aligned, we need a block. const size_t blocks_for_start_align = (Common::AlignDown(addr, PageSize) != info.GetAddress()) ? 1 : 0; + // Validate all blocks in the range have correct state. + const KMemoryState first_state = info.state; + const KMemoryPermission first_perm = info.perm; + const KMemoryAttribute first_attr = info.attribute; while (true) { + // Validate the current block. + R_UNLESS(info.state == first_state, ResultInvalidCurrentMemory); + R_UNLESS(info.perm == first_perm, ResultInvalidCurrentMemory); + R_UNLESS((info.attribute | ignore_attr) == (first_attr | ignore_attr), + ResultInvalidCurrentMemory); + // Validate against the provided masks. - R_TRY(CheckMemoryState(info, state_mask, state, perm_mask, perm, attr_mask, attr)); + R_TRY(this->CheckMemoryState(info, state_mask, state, perm_mask, perm, attr_mask, attr)); // Break once we're done. if (last_addr <= info.GetLastAddress()) { @@ -1426,6 +1423,7 @@ ResultCode KPageTable::CheckMemoryState(size_t* out_blocks_needed, VAddr addr, s // Advance our iterator. it++; + ASSERT(it != block_manager->cend()); info = it->GetMemoryInfo(); } @@ -1433,10 +1431,19 @@ ResultCode KPageTable::CheckMemoryState(size_t* out_blocks_needed, VAddr addr, s const size_t blocks_for_end_align = (Common::AlignUp(addr + size, PageSize) != info.GetEndAddress()) ? 1 : 0; + // Write output state. + if (out_state != nullptr) { + *out_state = first_state; + } + if (out_perm != nullptr) { + *out_perm = first_perm; + } + if (out_attr != nullptr) { + *out_attr = static_cast<KMemoryAttribute>(first_attr & ~ignore_attr); + } if (out_blocks_needed != nullptr) { *out_blocks_needed = blocks_for_start_align + blocks_for_end_align; } - return ResultSuccess; } diff --git a/src/core/hle/kernel/k_page_table.h b/src/core/hle/kernel/k_page_table.h index 564410dca..07c1d18ac 100644 --- a/src/core/hle/kernel/k_page_table.h +++ b/src/core/hle/kernel/k_page_table.h @@ -102,28 +102,50 @@ private: constexpr VAddr GetRegionAddress(KMemoryState state) const; constexpr std::size_t GetRegionSize(KMemoryState state) const; - constexpr ResultCode CheckMemoryState(const KMemoryInfo& info, KMemoryState state_mask, + ResultCode 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; + ResultCode CheckMemoryStateContiguous(VAddr addr, std::size_t size, KMemoryState state_mask, + KMemoryState state, KMemoryPermission perm_mask, + KMemoryPermission perm, KMemoryAttribute attr_mask, + KMemoryAttribute attr) const { + return this->CheckMemoryStateContiguous(nullptr, addr, size, state_mask, state, perm_mask, + perm, attr_mask, attr); + } + + 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, + 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 = DefaultMemoryIgnoreAttr) const; + ResultCode CheckMemoryState(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 = DefaultMemoryIgnoreAttr); - ResultCode CheckMemoryState(VAddr addr, std::size_t size, KMemoryState state_mask, + KMemoryAttribute ignore_attr = DefaultMemoryIgnoreAttr) const { + return CheckMemoryState(nullptr, nullptr, nullptr, out_blocks_needed, addr, size, + state_mask, state, perm_mask, perm, attr_mask, attr, ignore_attr); + } + ResultCode CheckMemoryState(VAddr addr, 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); + KMemoryAttribute ignore_attr = DefaultMemoryIgnoreAttr) const { + return this->CheckMemoryState(nullptr, addr, size, state_mask, state, perm_mask, perm, + attr_mask, attr, ignore_attr); + } + + bool IsLockedByCurrentThread() const { + return true; } - ResultCode CheckMemoryState(size_t* out_blocks_needed, VAddr addr, size_t size, - KMemoryState state_mask, KMemoryState state, - KMemoryPermission perm_mask, KMemoryPermission perm, - KMemoryAttribute attr_mask, KMemoryAttribute attr) const; std::recursive_mutex page_table_lock; std::unique_ptr<KMemoryBlockManager> block_manager; diff --git a/src/core/hle/kernel/svc_types.h b/src/core/hle/kernel/svc_types.h index ec463b97c..365e22e4e 100644 --- a/src/core/hle/kernel/svc_types.h +++ b/src/core/hle/kernel/svc_types.h @@ -32,6 +32,7 @@ enum class MemoryState : u32 { Kernel = 0x13, GeneratedCode = 0x14, CodeOut = 0x15, + Coverage = 0x16, }; DECLARE_ENUM_FLAG_OPERATORS(MemoryState); |