diff options
Diffstat (limited to 'src/core/hle/kernel/svc.cpp')
-rw-r--r-- | src/core/hle/kernel/svc.cpp | 170 |
1 files changed, 153 insertions, 17 deletions
diff --git a/src/core/hle/kernel/svc.cpp b/src/core/hle/kernel/svc.cpp index e5d4d6b55..2dcf174c5 100644 --- a/src/core/hle/kernel/svc.cpp +++ b/src/core/hle/kernel/svc.cpp @@ -424,7 +424,7 @@ static ResultCode GetProcessId(Core::System& system, u64* process_id, Handle han /// Default thread wakeup callback for WaitSynchronization static bool DefaultThreadWakeupCallback(ThreadWakeupReason reason, SharedPtr<Thread> thread, SharedPtr<WaitObject> object, std::size_t index) { - ASSERT(thread->GetStatus() == ThreadStatus::WaitSynchAny); + ASSERT(thread->GetStatus() == ThreadStatus::WaitSynch); if (reason == ThreadWakeupReason::Timeout) { thread->SetWaitSynchronizationResult(RESULT_TIMEOUT); @@ -502,7 +502,7 @@ static ResultCode WaitSynchronization(Core::System& system, Handle* index, VAddr } thread->SetWaitObjects(std::move(objects)); - thread->SetStatus(ThreadStatus::WaitSynchAny); + thread->SetStatus(ThreadStatus::WaitSynch); // Create an event to wake the thread up after the specified nanosecond delay has passed thread->WakeAfterDelay(nano_seconds); @@ -518,16 +518,14 @@ static ResultCode CancelSynchronization(Core::System& system, Handle thread_hand LOG_TRACE(Kernel_SVC, "called thread=0x{:X}", thread_handle); const auto& handle_table = system.Kernel().CurrentProcess()->GetHandleTable(); - const SharedPtr<Thread> thread = handle_table.Get<Thread>(thread_handle); + SharedPtr<Thread> thread = handle_table.Get<Thread>(thread_handle); if (!thread) { LOG_ERROR(Kernel_SVC, "Thread handle does not exist, thread_handle=0x{:08X}", thread_handle); return ERR_INVALID_HANDLE; } - ASSERT(thread->GetStatus() == ThreadStatus::WaitSynchAny); - thread->SetWaitSynchronizationResult(ERR_SYNCHRONIZATION_CANCELED); - thread->ResumeFromWait(); + thread->CancelWait(); return RESULT_SUCCESS; } @@ -1189,6 +1187,142 @@ static ResultCode QueryMemory(Core::System& system, VAddr memory_info_address, query_address); } +static ResultCode MapProcessCodeMemory(Core::System& system, Handle process_handle, u64 dst_address, + u64 src_address, u64 size) { + LOG_DEBUG(Kernel_SVC, + "called. process_handle=0x{:08X}, dst_address=0x{:016X}, " + "src_address=0x{:016X}, size=0x{:016X}", + process_handle, dst_address, src_address, size); + + if (!Common::Is4KBAligned(src_address)) { + LOG_ERROR(Kernel_SVC, "src_address is not page-aligned (src_address=0x{:016X}).", + src_address); + return ERR_INVALID_ADDRESS; + } + + if (!Common::Is4KBAligned(dst_address)) { + LOG_ERROR(Kernel_SVC, "dst_address is not page-aligned (dst_address=0x{:016X}).", + dst_address); + return ERR_INVALID_ADDRESS; + } + + if (size == 0 || !Common::Is4KBAligned(size)) { + LOG_ERROR(Kernel_SVC, "Size is zero or not page-aligned (size=0x{:016X})", size); + return ERR_INVALID_SIZE; + } + + if (!IsValidAddressRange(dst_address, size)) { + LOG_ERROR(Kernel_SVC, + "Destination address range overflows the address space (dst_address=0x{:016X}, " + "size=0x{:016X}).", + dst_address, size); + return ERR_INVALID_ADDRESS_STATE; + } + + if (!IsValidAddressRange(src_address, size)) { + LOG_ERROR(Kernel_SVC, + "Source address range overflows the address space (src_address=0x{:016X}, " + "size=0x{:016X}).", + src_address, size); + return ERR_INVALID_ADDRESS_STATE; + } + + const auto& handle_table = system.Kernel().CurrentProcess()->GetHandleTable(); + auto process = handle_table.Get<Process>(process_handle); + if (!process) { + LOG_ERROR(Kernel_SVC, "Invalid process handle specified (handle=0x{:08X}).", + process_handle); + return ERR_INVALID_HANDLE; + } + + auto& vm_manager = process->VMManager(); + if (!vm_manager.IsWithinAddressSpace(src_address, size)) { + LOG_ERROR(Kernel_SVC, + "Source address range is not within the address space (src_address=0x{:016X}, " + "size=0x{:016X}).", + src_address, size); + return ERR_INVALID_ADDRESS_STATE; + } + + if (!vm_manager.IsWithinASLRRegion(dst_address, size)) { + LOG_ERROR(Kernel_SVC, + "Destination address range is not within the ASLR region (dst_address=0x{:016X}, " + "size=0x{:016X}).", + dst_address, size); + return ERR_INVALID_MEMORY_RANGE; + } + + return vm_manager.MapCodeMemory(dst_address, src_address, size); +} + +ResultCode UnmapProcessCodeMemory(Core::System& system, Handle process_handle, u64 dst_address, + u64 src_address, u64 size) { + LOG_DEBUG(Kernel_SVC, + "called. process_handle=0x{:08X}, dst_address=0x{:016X}, src_address=0x{:016X}, " + "size=0x{:016X}", + process_handle, dst_address, src_address, size); + + if (!Common::Is4KBAligned(dst_address)) { + LOG_ERROR(Kernel_SVC, "dst_address is not page-aligned (dst_address=0x{:016X}).", + dst_address); + return ERR_INVALID_ADDRESS; + } + + if (!Common::Is4KBAligned(src_address)) { + LOG_ERROR(Kernel_SVC, "src_address is not page-aligned (src_address=0x{:016X}).", + src_address); + return ERR_INVALID_ADDRESS; + } + + if (size == 0 || Common::Is4KBAligned(size)) { + LOG_ERROR(Kernel_SVC, "Size is zero or not page-aligned (size=0x{:016X}).", size); + return ERR_INVALID_SIZE; + } + + if (!IsValidAddressRange(dst_address, size)) { + LOG_ERROR(Kernel_SVC, + "Destination address range overflows the address space (dst_address=0x{:016X}, " + "size=0x{:016X}).", + dst_address, size); + return ERR_INVALID_ADDRESS_STATE; + } + + if (!IsValidAddressRange(src_address, size)) { + LOG_ERROR(Kernel_SVC, + "Source address range overflows the address space (src_address=0x{:016X}, " + "size=0x{:016X}).", + src_address, size); + return ERR_INVALID_ADDRESS_STATE; + } + + const auto& handle_table = system.Kernel().CurrentProcess()->GetHandleTable(); + auto process = handle_table.Get<Process>(process_handle); + if (!process) { + LOG_ERROR(Kernel_SVC, "Invalid process handle specified (handle=0x{:08X}).", + process_handle); + return ERR_INVALID_HANDLE; + } + + auto& vm_manager = process->VMManager(); + if (!vm_manager.IsWithinAddressSpace(src_address, size)) { + LOG_ERROR(Kernel_SVC, + "Source address range is not within the address space (src_address=0x{:016X}, " + "size=0x{:016X}).", + src_address, size); + return ERR_INVALID_ADDRESS_STATE; + } + + if (!vm_manager.IsWithinASLRRegion(dst_address, size)) { + LOG_ERROR(Kernel_SVC, + "Destination address range is not within the ASLR region (dst_address=0x{:016X}, " + "size=0x{:016X}).", + dst_address, size); + return ERR_INVALID_MEMORY_RANGE; + } + + return vm_manager.UnmapCodeMemory(dst_address, src_address, size); +} + /// Exits the current process static void ExitProcess(Core::System& system) { auto* current_process = system.Kernel().CurrentProcess(); @@ -1244,20 +1378,22 @@ static ResultCode CreateThread(Core::System& system, Handle* out_handle, VAddr e return ERR_INVALID_THREAD_PRIORITY; } - const std::string name = fmt::format("thread-{:X}", entry_point); auto& kernel = system.Kernel(); CASCADE_RESULT(SharedPtr<Thread> thread, - Thread::Create(kernel, name, entry_point, priority, arg, processor_id, stack_top, + Thread::Create(kernel, "", entry_point, priority, arg, processor_id, stack_top, *current_process)); - const auto new_guest_handle = current_process->GetHandleTable().Create(thread); - if (new_guest_handle.Failed()) { + const auto new_thread_handle = current_process->GetHandleTable().Create(thread); + if (new_thread_handle.Failed()) { LOG_ERROR(Kernel_SVC, "Failed to create handle with error=0x{:X}", - new_guest_handle.Code().raw); - return new_guest_handle.Code(); + new_thread_handle.Code().raw); + return new_thread_handle.Code(); } - thread->SetGuestHandle(*new_guest_handle); - *out_handle = *new_guest_handle; + *out_handle = *new_thread_handle; + + // Set the thread name for debugging purposes. + thread->SetName( + fmt::format("thread[entry_point={:X}, handle={:X}]", entry_point, *new_thread_handle)); system.CpuCore(thread->GetProcessorID()).PrepareReschedule(); @@ -2152,7 +2288,7 @@ static const FunctionDef SVC_Table[] = { {0x33, SvcWrap<GetThreadContext>, "GetThreadContext"}, {0x34, SvcWrap<WaitForAddress>, "WaitForAddress"}, {0x35, SvcWrap<SignalToAddress>, "SignalToAddress"}, - {0x36, nullptr, "Unknown"}, + {0x36, nullptr, "SynchronizePreemptionState"}, {0x37, nullptr, "Unknown"}, {0x38, nullptr, "Unknown"}, {0x39, nullptr, "Unknown"}, @@ -2217,8 +2353,8 @@ static const FunctionDef SVC_Table[] = { {0x74, nullptr, "MapProcessMemory"}, {0x75, nullptr, "UnmapProcessMemory"}, {0x76, SvcWrap<QueryProcessMemory>, "QueryProcessMemory"}, - {0x77, nullptr, "MapProcessCodeMemory"}, - {0x78, nullptr, "UnmapProcessCodeMemory"}, + {0x77, SvcWrap<MapProcessCodeMemory>, "MapProcessCodeMemory"}, + {0x78, SvcWrap<UnmapProcessCodeMemory>, "UnmapProcessCodeMemory"}, {0x79, nullptr, "CreateProcess"}, {0x7A, nullptr, "StartProcess"}, {0x7B, nullptr, "TerminateProcess"}, |