diff --git a/src/core/hle/kernel/process.cpp b/src/core/hle/kernel/process.cpp index c817fb449..5356a4a3f 100644 --- a/src/core/hle/kernel/process.cpp +++ b/src/core/hle/kernel/process.cpp @@ -150,7 +150,7 @@ void Process::Run(VAddr entry_point, s32 main_thread_priority, u32 stack_size) { vm_manager .MapMemoryBlock(vm_manager.GetTLSIORegionEndAddress() - stack_size, std::make_shared>(stack_size, 0), 0, stack_size, - MemoryState::Mapped) + MemoryState::Stack) .Unwrap(); vm_manager.LogLayout(); diff --git a/src/core/hle/kernel/process.h b/src/core/hle/kernel/process.h index bcb9ac4b8..459eedfa6 100644 --- a/src/core/hle/kernel/process.h +++ b/src/core/hle/kernel/process.h @@ -262,8 +262,7 @@ public: ResultVal HeapAllocate(VAddr target, u64 size, VMAPermission perms); ResultCode HeapFree(VAddr target, u32 size); - ResultCode MirrorMemory(VAddr dst_addr, VAddr src_addr, u64 size, - MemoryState state = MemoryState::Mapped); + ResultCode MirrorMemory(VAddr dst_addr, VAddr src_addr, u64 size, MemoryState state); ResultCode UnmapMemory(VAddr dst_addr, VAddr src_addr, u64 size); diff --git a/src/core/hle/kernel/svc.cpp b/src/core/hle/kernel/svc.cpp index f43c7201c..4ae92ff9e 100644 --- a/src/core/hle/kernel/svc.cpp +++ b/src/core/hle/kernel/svc.cpp @@ -273,7 +273,7 @@ static ResultCode MapMemory(VAddr dst_addr, VAddr src_addr, u64 size) { return result; } - return current_process->MirrorMemory(dst_addr, src_addr, size); + return current_process->MirrorMemory(dst_addr, src_addr, size, MemoryState::Stack); } /// Unmaps a region that was previously mapped with svcMapMemory @@ -1086,7 +1086,7 @@ static ResultCode QueryProcessMemory(MemoryInfo* memory_info, PageInfo* /*page_i memory_info->base_address = vma->second.base; memory_info->permission = static_cast(vma->second.permissions); memory_info->size = vma->second.size; - memory_info->type = static_cast(vma->second.meminfo_state); + memory_info->type = ToSvcMemoryState(vma->second.meminfo_state); } else { memory_info->base_address = 0; memory_info->permission = static_cast(VMAPermission::None); diff --git a/src/core/hle/kernel/vm_manager.cpp b/src/core/hle/kernel/vm_manager.cpp index 6187993ce..e0f204b0b 100644 --- a/src/core/hle/kernel/vm_manager.cpp +++ b/src/core/hle/kernel/vm_manager.cpp @@ -25,14 +25,14 @@ static const char* GetMemoryStateName(MemoryState state) { "CodeMutable", "Heap", "Shared", "Unknown1", "ModuleCodeStatic", "ModuleCodeMutable", - "IpcBuffer0", "Mapped", + "IpcBuffer0", "Stack", "ThreadLocal", "TransferMemoryIsolated", "TransferMemory", "ProcessMemory", "Unknown2", "IpcBuffer1", "IpcBuffer3", "KernelStack", }; - return names[static_cast(state)]; + return names[ToSvcMemoryState(state)]; } bool VirtualMemoryArea::CanBeMergedWith(const VirtualMemoryArea& next) const { diff --git a/src/core/hle/kernel/vm_manager.h b/src/core/hle/kernel/vm_manager.h index a12419d1e..0a600c23c 100644 --- a/src/core/hle/kernel/vm_manager.h +++ b/src/core/hle/kernel/vm_manager.h @@ -43,27 +43,112 @@ enum class VMAPermission : u8 { ReadWriteExecute = Read | Write | Execute, }; -/// Set of values returned in MemoryInfo.state by svcQueryMemory. +// clang-format off +/// Represents memory states and any relevant flags, as used by the kernel. +/// svcQueryMemory interprets these by masking away all but the first eight +/// bits when storing memory state into a MemoryInfo instance. enum class MemoryState : u32 { - Unmapped = 0x0, - Io = 0x1, - Normal = 0x2, - CodeStatic = 0x3, - CodeMutable = 0x4, - Heap = 0x5, - Shared = 0x6, - ModuleCodeStatic = 0x8, - ModuleCodeMutable = 0x9, - IpcBuffer0 = 0xA, - Mapped = 0xB, - ThreadLocal = 0xC, - TransferMemoryIsolated = 0xD, - TransferMemory = 0xE, - ProcessMemory = 0xF, - IpcBuffer1 = 0x11, - IpcBuffer3 = 0x12, - KernelStack = 0x13, + Mask = 0xFF, + FlagProtect = 1U << 8, + FlagDebug = 1U << 9, + FlagIPC0 = 1U << 10, + FlagIPC3 = 1U << 11, + FlagIPC1 = 1U << 12, + FlagMapped = 1U << 13, + FlagCode = 1U << 14, + FlagAlias = 1U << 15, + FlagModule = 1U << 16, + FlagTransfer = 1U << 17, + FlagQueryPhysicalAddressAllowed = 1U << 18, + FlagSharedDevice = 1U << 19, + FlagSharedDeviceAligned = 1U << 20, + FlagIPCBuffer = 1U << 21, + FlagMemoryPoolAllocated = 1U << 22, + FlagMapProcess = 1U << 23, + FlagUncached = 1U << 24, + FlagCodeMemory = 1U << 25, + + // Convenience flag sets to reduce repetition + IPCFlags = FlagIPC0 | FlagIPC3 | FlagIPC1, + + CodeFlags = FlagDebug | IPCFlags | FlagMapped | FlagCode | FlagQueryPhysicalAddressAllowed | + FlagSharedDevice | FlagSharedDeviceAligned | FlagMemoryPoolAllocated, + + DataFlags = FlagProtect | IPCFlags | FlagMapped | FlagAlias | FlagTransfer | + FlagQueryPhysicalAddressAllowed | FlagSharedDevice | FlagSharedDeviceAligned | + FlagMemoryPoolAllocated | FlagIPCBuffer | FlagUncached, + + Unmapped = 0x00, + Io = 0x01 | FlagMapped, + Normal = 0x02 | FlagMapped | FlagQueryPhysicalAddressAllowed, + CodeStatic = 0x03 | CodeFlags | FlagMapProcess, + CodeMutable = 0x04 | CodeFlags | FlagMapProcess | FlagCodeMemory, + Heap = 0x05 | DataFlags | FlagCodeMemory, + Shared = 0x06 | FlagMapped | FlagMemoryPoolAllocated, + ModuleCodeStatic = 0x08 | CodeFlags | FlagModule | FlagMapProcess, + ModuleCodeMutable = 0x09 | DataFlags | FlagModule | FlagMapProcess | FlagCodeMemory, + + IpcBuffer0 = 0x0A | FlagMapped | FlagQueryPhysicalAddressAllowed | FlagMemoryPoolAllocated | + IPCFlags | FlagSharedDevice | FlagSharedDeviceAligned, + + Stack = 0x0B | FlagMapped | IPCFlags | FlagQueryPhysicalAddressAllowed | + FlagSharedDevice | FlagSharedDeviceAligned | FlagMemoryPoolAllocated, + + ThreadLocal = 0x0C | FlagMapped | FlagMemoryPoolAllocated, + + TransferMemoryIsolated = 0x0D | IPCFlags | FlagMapped | FlagQueryPhysicalAddressAllowed | + FlagSharedDevice | FlagSharedDeviceAligned | FlagMemoryPoolAllocated | + FlagUncached, + + TransferMemory = 0x0E | FlagIPC3 | FlagIPC1 | FlagMapped | FlagQueryPhysicalAddressAllowed | + FlagSharedDevice | FlagSharedDeviceAligned | FlagMemoryPoolAllocated, + + ProcessMemory = 0x0F | FlagIPC3 | FlagIPC1 | FlagMapped | FlagMemoryPoolAllocated, + + IpcBuffer1 = 0x11 | FlagIPC3 | FlagIPC1 | FlagMapped | FlagQueryPhysicalAddressAllowed | + FlagSharedDevice | FlagSharedDeviceAligned | FlagMemoryPoolAllocated, + + IpcBuffer3 = 0x12 | FlagIPC3 | FlagMapped | FlagQueryPhysicalAddressAllowed | + FlagSharedDeviceAligned | FlagMemoryPoolAllocated, + + KernelStack = 0x13 | FlagMapped, }; +// clang-format on + +constexpr MemoryState operator|(MemoryState lhs, MemoryState rhs) { + return static_cast(u32(lhs) | u32(rhs)); +} + +constexpr MemoryState operator&(MemoryState lhs, MemoryState rhs) { + return static_cast(u32(lhs) & u32(rhs)); +} + +constexpr MemoryState operator^(MemoryState lhs, MemoryState rhs) { + return static_cast(u32(lhs) ^ u32(rhs)); +} + +constexpr MemoryState operator~(MemoryState lhs) { + return static_cast(~u32(lhs)); +} + +constexpr MemoryState& operator|=(MemoryState& lhs, MemoryState rhs) { + lhs = lhs | rhs; + return lhs; +} + +constexpr MemoryState& operator&=(MemoryState& lhs, MemoryState rhs) { + lhs = lhs & rhs; + return lhs; +} + +constexpr MemoryState& operator^=(MemoryState& lhs, MemoryState rhs) { + lhs = lhs ^ rhs; + return lhs; +} + +constexpr u32 ToSvcMemoryState(MemoryState state) { + return static_cast(state & MemoryState::Mask); +} /** * Represents a VMA in an address space. A VMA is a contiguous region of virtual addressing space @@ -186,8 +271,7 @@ public: ResultVal HeapAllocate(VAddr target, u64 size, VMAPermission perms); ResultCode HeapFree(VAddr target, u64 size); - ResultCode MirrorMemory(VAddr dst_addr, VAddr src_addr, u64 size, - MemoryState state = MemoryState::Mapped); + ResultCode MirrorMemory(VAddr dst_addr, VAddr src_addr, u64 size, MemoryState state); /** * Scans all VMAs and updates the page table range of any that use the given vector as backing