diff options
Diffstat (limited to 'src/core/hle/kernel/svc.cpp')
-rw-r--r-- | src/core/hle/kernel/svc.cpp | 146 |
1 files changed, 119 insertions, 27 deletions
diff --git a/src/core/hle/kernel/svc.cpp b/src/core/hle/kernel/svc.cpp index de6363ff2..a46eed3da 100644 --- a/src/core/hle/kernel/svc.cpp +++ b/src/core/hle/kernel/svc.cpp @@ -98,9 +98,9 @@ ResultCode MapUnmapMemorySanityChecks(const VMManager& vm_manager, VAddr dst_add return ERR_INVALID_ADDRESS_STATE; } - if (!vm_manager.IsWithinNewMapRegion(dst_addr, size)) { + if (!vm_manager.IsWithinStackRegion(dst_addr, size)) { LOG_ERROR(Kernel_SVC, - "Destination is not within the new map region, addr=0x{:016X}, size=0x{:016X}", + "Destination is not within the stack region, addr=0x{:016X}, size=0x{:016X}", dst_addr, size); return ERR_INVALID_MEMORY_RANGE; } @@ -318,7 +318,14 @@ static ResultCode UnmapMemory(Core::System& system, VAddr dst_addr, VAddr src_ad return result; } - return vm_manager.UnmapRange(dst_addr, size); + const auto unmap_res = vm_manager.UnmapRange(dst_addr, size); + + // Reprotect the source mapping on success + if (unmap_res.IsSuccess()) { + ASSERT(vm_manager.ReprotectRange(src_addr, size, VMAPermission::ReadWrite).IsSuccess()); + } + + return unmap_res; } /// Connect to an OS service given the port name, returns the handle to the port to out @@ -726,19 +733,19 @@ static ResultCode GetInfo(Core::System& system, u64* result, u64 info_id, u64 ha // 2.0.0+ ASLRRegionBaseAddr = 12, ASLRRegionSize = 13, - NewMapRegionBaseAddr = 14, - NewMapRegionSize = 15, + StackRegionBaseAddr = 14, + StackRegionSize = 15, // 3.0.0+ - IsVirtualAddressMemoryEnabled = 16, - PersonalMmHeapUsage = 17, + SystemResourceSize = 16, + SystemResourceUsage = 17, TitleId = 18, // 4.0.0+ PrivilegedProcessId = 19, // 5.0.0+ UserExceptionContextAddr = 20, // 6.0.0+ - TotalPhysicalMemoryAvailableWithoutMmHeap = 21, - TotalPhysicalMemoryUsedWithoutMmHeap = 22, + TotalPhysicalMemoryAvailableWithoutSystemResource = 21, + TotalPhysicalMemoryUsedWithoutSystemResource = 22, }; const auto info_id_type = static_cast<GetInfoType>(info_id); @@ -752,16 +759,16 @@ static ResultCode GetInfo(Core::System& system, u64* result, u64 info_id, u64 ha case GetInfoType::HeapRegionSize: case GetInfoType::ASLRRegionBaseAddr: case GetInfoType::ASLRRegionSize: - case GetInfoType::NewMapRegionBaseAddr: - case GetInfoType::NewMapRegionSize: + case GetInfoType::StackRegionBaseAddr: + case GetInfoType::StackRegionSize: case GetInfoType::TotalPhysicalMemoryAvailable: case GetInfoType::TotalPhysicalMemoryUsed: - case GetInfoType::IsVirtualAddressMemoryEnabled: - case GetInfoType::PersonalMmHeapUsage: + case GetInfoType::SystemResourceSize: + case GetInfoType::SystemResourceUsage: case GetInfoType::TitleId: case GetInfoType::UserExceptionContextAddr: - case GetInfoType::TotalPhysicalMemoryAvailableWithoutMmHeap: - case GetInfoType::TotalPhysicalMemoryUsedWithoutMmHeap: { + case GetInfoType::TotalPhysicalMemoryAvailableWithoutSystemResource: + case GetInfoType::TotalPhysicalMemoryUsedWithoutSystemResource: { if (info_sub_id != 0) { return ERR_INVALID_ENUM_VALUE; } @@ -806,12 +813,12 @@ static ResultCode GetInfo(Core::System& system, u64* result, u64 info_id, u64 ha *result = process->VMManager().GetASLRRegionSize(); return RESULT_SUCCESS; - case GetInfoType::NewMapRegionBaseAddr: - *result = process->VMManager().GetNewMapRegionBaseAddress(); + case GetInfoType::StackRegionBaseAddr: + *result = process->VMManager().GetStackRegionBaseAddress(); return RESULT_SUCCESS; - case GetInfoType::NewMapRegionSize: - *result = process->VMManager().GetNewMapRegionSize(); + case GetInfoType::StackRegionSize: + *result = process->VMManager().GetStackRegionSize(); return RESULT_SUCCESS; case GetInfoType::TotalPhysicalMemoryAvailable: @@ -822,8 +829,13 @@ static ResultCode GetInfo(Core::System& system, u64* result, u64 info_id, u64 ha *result = process->GetTotalPhysicalMemoryUsed(); return RESULT_SUCCESS; - case GetInfoType::IsVirtualAddressMemoryEnabled: - *result = process->IsVirtualMemoryEnabled(); + case GetInfoType::SystemResourceSize: + *result = process->GetSystemResourceSize(); + return RESULT_SUCCESS; + + case GetInfoType::SystemResourceUsage: + LOG_WARNING(Kernel_SVC, "(STUBBED) Attempted to query system resource usage"); + *result = process->GetSystemResourceUsage(); return RESULT_SUCCESS; case GetInfoType::TitleId: @@ -836,12 +848,12 @@ static ResultCode GetInfo(Core::System& system, u64* result, u64 info_id, u64 ha *result = 0; return RESULT_SUCCESS; - case GetInfoType::TotalPhysicalMemoryAvailableWithoutMmHeap: - *result = process->GetTotalPhysicalMemoryAvailable(); + case GetInfoType::TotalPhysicalMemoryAvailableWithoutSystemResource: + *result = process->GetTotalPhysicalMemoryAvailableWithoutSystemResource(); return RESULT_SUCCESS; - case GetInfoType::TotalPhysicalMemoryUsedWithoutMmHeap: - *result = process->GetTotalPhysicalMemoryUsedWithoutMmHeap(); + case GetInfoType::TotalPhysicalMemoryUsedWithoutSystemResource: + *result = process->GetTotalPhysicalMemoryUsedWithoutSystemResource(); return RESULT_SUCCESS; default: @@ -946,6 +958,86 @@ static ResultCode GetInfo(Core::System& system, u64* result, u64 info_id, u64 ha } } +/// Maps memory at a desired address +static ResultCode MapPhysicalMemory(Core::System& system, VAddr addr, u64 size) { + LOG_DEBUG(Kernel_SVC, "called, addr=0x{:016X}, size=0x{:X}", addr, size); + + if (!Common::Is4KBAligned(addr)) { + LOG_ERROR(Kernel_SVC, "Address is not aligned to 4KB, 0x{:016X}", addr); + return ERR_INVALID_ADDRESS; + } + + if (!Common::Is4KBAligned(size)) { + LOG_ERROR(Kernel_SVC, "Size is not aligned to 4KB, 0x{:X}", size); + return ERR_INVALID_SIZE; + } + + if (size == 0) { + LOG_ERROR(Kernel_SVC, "Size is zero"); + return ERR_INVALID_SIZE; + } + + if (!(addr < addr + size)) { + LOG_ERROR(Kernel_SVC, "Size causes 64-bit overflow of address"); + return ERR_INVALID_MEMORY_RANGE; + } + + Process* const current_process = system.Kernel().CurrentProcess(); + auto& vm_manager = current_process->VMManager(); + + if (current_process->GetSystemResourceSize() == 0) { + LOG_ERROR(Kernel_SVC, "System Resource Size is zero"); + return ERR_INVALID_STATE; + } + + if (!vm_manager.IsWithinMapRegion(addr, size)) { + LOG_ERROR(Kernel_SVC, "Range not within map region"); + return ERR_INVALID_MEMORY_RANGE; + } + + return vm_manager.MapPhysicalMemory(addr, size); +} + +/// Unmaps memory previously mapped via MapPhysicalMemory +static ResultCode UnmapPhysicalMemory(Core::System& system, VAddr addr, u64 size) { + LOG_DEBUG(Kernel_SVC, "called, addr=0x{:016X}, size=0x{:X}", addr, size); + + if (!Common::Is4KBAligned(addr)) { + LOG_ERROR(Kernel_SVC, "Address is not aligned to 4KB, 0x{:016X}", addr); + return ERR_INVALID_ADDRESS; + } + + if (!Common::Is4KBAligned(size)) { + LOG_ERROR(Kernel_SVC, "Size is not aligned to 4KB, 0x{:X}", size); + return ERR_INVALID_SIZE; + } + + if (size == 0) { + LOG_ERROR(Kernel_SVC, "Size is zero"); + return ERR_INVALID_SIZE; + } + + if (!(addr < addr + size)) { + LOG_ERROR(Kernel_SVC, "Size causes 64-bit overflow of address"); + return ERR_INVALID_MEMORY_RANGE; + } + + Process* const current_process = system.Kernel().CurrentProcess(); + auto& vm_manager = current_process->VMManager(); + + if (current_process->GetSystemResourceSize() == 0) { + LOG_ERROR(Kernel_SVC, "System Resource Size is zero"); + return ERR_INVALID_STATE; + } + + if (!vm_manager.IsWithinMapRegion(addr, size)) { + LOG_ERROR(Kernel_SVC, "Range not within map region"); + return ERR_INVALID_MEMORY_RANGE; + } + + return vm_manager.UnmapPhysicalMemory(addr, size); +} + /// Sets the thread activity static ResultCode SetThreadActivity(Core::System& system, Handle handle, u32 activity) { LOG_DEBUG(Kernel_SVC, "called, handle=0x{:08X}, activity=0x{:08X}", handle, activity); @@ -2303,8 +2395,8 @@ static const FunctionDef SVC_Table[] = { {0x29, SvcWrap<GetInfo>, "GetInfo"}, {0x2A, nullptr, "FlushEntireDataCache"}, {0x2B, nullptr, "FlushDataCache"}, - {0x2C, nullptr, "MapPhysicalMemory"}, - {0x2D, nullptr, "UnmapPhysicalMemory"}, + {0x2C, SvcWrap<MapPhysicalMemory>, "MapPhysicalMemory"}, + {0x2D, SvcWrap<UnmapPhysicalMemory>, "UnmapPhysicalMemory"}, {0x2E, nullptr, "GetFutureThreadInfo"}, {0x2F, nullptr, "GetLastThreadInfo"}, {0x30, SvcWrap<GetResourceLimitLimitValue>, "GetResourceLimitLimitValue"}, |