diff options
Diffstat (limited to 'src/core/hle/kernel/svc.cpp')
| -rw-r--r-- | src/core/hle/kernel/svc.cpp | 269 |
1 files changed, 176 insertions, 93 deletions
diff --git a/src/core/hle/kernel/svc.cpp b/src/core/hle/kernel/svc.cpp index f500fd2e7..1cdaa740a 100644 --- a/src/core/hle/kernel/svc.cpp +++ b/src/core/hle/kernel/svc.cpp @@ -35,13 +35,25 @@ #include "core/hle/service/service.h" namespace Kernel { +namespace { +constexpr bool Is4KBAligned(VAddr address) { + return (address & 0xFFF) == 0; +} +} // Anonymous namespace /// Set the process heap to a given Size. It can both extend and shrink the heap. static ResultCode SetHeapSize(VAddr* heap_addr, u64 heap_size) { LOG_TRACE(Kernel_SVC, "called, heap_size=0x{:X}", heap_size); + + // Size must be a multiple of 0x200000 (2MB) and be equal to or less than 4GB. + if ((heap_size & 0xFFFFFFFE001FFFFF) != 0) { + return ERR_INVALID_SIZE; + } + auto& process = *Core::CurrentProcess(); + const VAddr heap_base = process.VMManager().GetHeapRegionBaseAddress(); CASCADE_RESULT(*heap_addr, - process.HeapAllocate(Memory::HEAP_VADDR, heap_size, VMAPermission::ReadWrite)); + process.HeapAllocate(heap_base, heap_size, VMAPermission::ReadWrite)); return RESULT_SUCCESS; } @@ -56,6 +68,15 @@ static ResultCode SetMemoryAttribute(VAddr addr, u64 size, u32 state0, u32 state static ResultCode MapMemory(VAddr dst_addr, VAddr src_addr, u64 size) { LOG_TRACE(Kernel_SVC, "called, dst_addr=0x{:X}, src_addr=0x{:X}, size=0x{:X}", dst_addr, src_addr, size); + + if (!Is4KBAligned(dst_addr) || !Is4KBAligned(src_addr)) { + return ERR_INVALID_ADDRESS; + } + + if (size == 0 || !Is4KBAligned(size)) { + return ERR_INVALID_SIZE; + } + return Core::CurrentProcess()->MirrorMemory(dst_addr, src_addr, size); } @@ -63,6 +84,15 @@ static ResultCode MapMemory(VAddr dst_addr, VAddr src_addr, u64 size) { static ResultCode UnmapMemory(VAddr dst_addr, VAddr src_addr, u64 size) { LOG_TRACE(Kernel_SVC, "called, dst_addr=0x{:X}, src_addr=0x{:X}, size=0x{:X}", dst_addr, src_addr, size); + + if (!Is4KBAligned(dst_addr) || !Is4KBAligned(src_addr)) { + return ERR_INVALID_ADDRESS; + } + + if (size == 0 || !Is4KBAligned(size)) { + return ERR_INVALID_SIZE; + } + return Core::CurrentProcess()->UnmapMemory(dst_addr, src_addr, size); } @@ -140,13 +170,13 @@ static ResultCode GetProcessId(u32* process_id, Handle process_handle) { return ERR_INVALID_HANDLE; } - *process_id = process->process_id; + *process_id = process->GetProcessID(); return RESULT_SUCCESS; } /// Default thread wakeup callback for WaitSynchronization static bool DefaultThreadWakeupCallback(ThreadWakeupReason reason, SharedPtr<Thread> thread, - SharedPtr<WaitObject> object, size_t index) { + SharedPtr<WaitObject> object, std::size_t index) { ASSERT(thread->status == ThreadStatus::WaitSynchAny); if (reason == ThreadWakeupReason::Timeout) { @@ -251,6 +281,10 @@ static ResultCode ArbitrateLock(Handle holding_thread_handle, VAddr mutex_addr, "requesting_current_thread_handle=0x{:08X}", holding_thread_handle, mutex_addr, requesting_thread_handle); + if (Memory::IsKernelVirtualAddress(mutex_addr)) { + return ERR_INVALID_ADDRESS_STATE; + } + auto& handle_table = Core::System::GetInstance().Kernel().HandleTable(); return Mutex::TryAcquire(handle_table, mutex_addr, holding_thread_handle, requesting_thread_handle); @@ -260,6 +294,10 @@ static ResultCode ArbitrateLock(Handle holding_thread_handle, VAddr mutex_addr, static ResultCode ArbitrateUnlock(VAddr mutex_addr) { LOG_TRACE(Kernel_SVC, "called mutex_addr=0x{:X}", mutex_addr); + if (Memory::IsKernelVirtualAddress(mutex_addr)) { + return ERR_INVALID_ADDRESS_STATE; + } + return Mutex::Release(mutex_addr); } @@ -288,26 +326,27 @@ static ResultCode GetInfo(u64* result, u64 info_id, u64 handle, u64 info_sub_id) LOG_TRACE(Kernel_SVC, "called info_id=0x{:X}, info_sub_id=0x{:X}, handle=0x{:08X}", info_id, info_sub_id, handle); - const auto& vm_manager = Core::CurrentProcess()->vm_manager; + const auto& current_process = Core::CurrentProcess(); + const auto& vm_manager = current_process->VMManager(); switch (static_cast<GetInfoType>(info_id)) { case GetInfoType::AllowedCpuIdBitmask: - *result = Core::CurrentProcess()->allowed_processor_mask; + *result = current_process->GetAllowedProcessorMask(); break; case GetInfoType::AllowedThreadPrioBitmask: - *result = Core::CurrentProcess()->allowed_thread_priority_mask; + *result = current_process->GetAllowedThreadPriorityMask(); break; case GetInfoType::MapRegionBaseAddr: - *result = Memory::MAP_REGION_VADDR; + *result = vm_manager.GetMapRegionBaseAddress(); break; case GetInfoType::MapRegionSize: - *result = Memory::MAP_REGION_SIZE; + *result = vm_manager.GetMapRegionSize(); break; case GetInfoType::HeapRegionBaseAddr: - *result = Memory::HEAP_VADDR; + *result = vm_manager.GetHeapRegionBaseAddress(); break; case GetInfoType::HeapRegionSize: - *result = Memory::HEAP_SIZE; + *result = vm_manager.GetHeapRegionSize(); break; case GetInfoType::TotalMemoryUsage: *result = vm_manager.GetTotalMemoryUsage(); @@ -322,22 +361,35 @@ static ResultCode GetInfo(u64* result, u64 info_id, u64 handle, u64 info_sub_id) *result = 0; break; case GetInfoType::AddressSpaceBaseAddr: - *result = vm_manager.GetAddressSpaceBaseAddr(); + *result = vm_manager.GetCodeRegionBaseAddress(); break; - case GetInfoType::AddressSpaceSize: - *result = vm_manager.GetAddressSpaceSize(); + case GetInfoType::AddressSpaceSize: { + const u64 width = vm_manager.GetAddressSpaceWidth(); + + switch (width) { + case 32: + *result = 0xFFE00000; + break; + case 36: + *result = 0xFF8000000; + break; + case 39: + *result = 0x7FF8000000; + break; + } break; + } case GetInfoType::NewMapRegionBaseAddr: - *result = Memory::NEW_MAP_REGION_VADDR; + *result = vm_manager.GetNewMapRegionBaseAddress(); break; case GetInfoType::NewMapRegionSize: - *result = Memory::NEW_MAP_REGION_SIZE; + *result = vm_manager.GetNewMapRegionSize(); break; case GetInfoType::IsVirtualAddressMemoryEnabled: - *result = Core::CurrentProcess()->is_virtual_address_memory_enabled; + *result = current_process->IsVirtualMemoryEnabled(); break; case GetInfoType::TitleId: - *result = Core::CurrentProcess()->program_id; + *result = current_process->GetTitleID(); break; case GetInfoType::PrivilegedProcessId: LOG_WARNING(Kernel_SVC, @@ -363,8 +415,36 @@ static ResultCode SetThreadActivity(Handle handle, u32 unknown) { } /// Gets the thread context -static ResultCode GetThreadContext(Handle handle, VAddr addr) { - LOG_WARNING(Kernel_SVC, "(STUBBED) called, handle=0x{:08X}, addr=0x{:X}", handle, addr); +static ResultCode GetThreadContext(VAddr thread_context, Handle handle) { + LOG_DEBUG(Kernel_SVC, "called, context=0x{:08X}, thread=0x{:X}", thread_context, handle); + + auto& kernel = Core::System::GetInstance().Kernel(); + const SharedPtr<Thread> thread = kernel.HandleTable().Get<Thread>(handle); + if (!thread) { + return ERR_INVALID_HANDLE; + } + + const auto current_process = Core::CurrentProcess(); + if (thread->owner_process != current_process) { + return ERR_INVALID_HANDLE; + } + + if (thread == GetCurrentThread()) { + return ERR_ALREADY_REGISTERED; + } + + Core::ARM_Interface::ThreadContext ctx = thread->context; + // Mask away mode bits, interrupt bits, IL bit, and other reserved bits. + ctx.pstate &= 0xFF0FFE20; + + // If 64-bit, we can just write the context registers directly and we're good. + // However, if 32-bit, we have to ensure some registers are zeroed out. + if (!current_process->Is64BitProcess()) { + std::fill(ctx.cpu_registers.begin() + 15, ctx.cpu_registers.end(), 0); + std::fill(ctx.vector_registers.begin() + 16, ctx.vector_registers.end(), u128{}); + } + + Memory::WriteBlock(thread_context, &ctx, sizeof(ctx)); return RESULT_SUCCESS; } @@ -392,8 +472,8 @@ static ResultCode SetThreadPriority(Handle handle, u32 priority) { // Note: The kernel uses the current process's resource limit instead of // the one from the thread owner's resource limit. - SharedPtr<ResourceLimit>& resource_limit = Core::CurrentProcess()->resource_limit; - if (resource_limit->GetMaxResourceValue(ResourceType::Priority) > priority) { + const ResourceLimit& resource_limit = Core::CurrentProcess()->GetResourceLimit(); + if (resource_limit.GetMaxResourceValue(ResourceType::Priority) > priority) { return ERR_NOT_AUTHORIZED; } @@ -415,35 +495,43 @@ static ResultCode MapSharedMemory(Handle shared_memory_handle, VAddr addr, u64 s "called, shared_memory_handle=0x{:X}, addr=0x{:X}, size=0x{:X}, permissions=0x{:08X}", shared_memory_handle, addr, size, permissions); + if (!Is4KBAligned(addr)) { + return ERR_INVALID_ADDRESS; + } + + if (size == 0 || !Is4KBAligned(size)) { + return ERR_INVALID_SIZE; + } + + const auto permissions_type = static_cast<MemoryPermission>(permissions); + if (permissions_type != MemoryPermission::Read && + permissions_type != MemoryPermission::ReadWrite) { + LOG_ERROR(Kernel_SVC, "Invalid permissions=0x{:08X}", permissions); + return ERR_INVALID_MEMORY_PERMISSIONS; + } + auto& kernel = Core::System::GetInstance().Kernel(); auto shared_memory = kernel.HandleTable().Get<SharedMemory>(shared_memory_handle); if (!shared_memory) { return ERR_INVALID_HANDLE; } - MemoryPermission permissions_type = static_cast<MemoryPermission>(permissions); - switch (permissions_type) { - case MemoryPermission::Read: - case MemoryPermission::Write: - case MemoryPermission::ReadWrite: - case MemoryPermission::Execute: - case MemoryPermission::ReadExecute: - case MemoryPermission::WriteExecute: - case MemoryPermission::ReadWriteExecute: - case MemoryPermission::DontCare: - return shared_memory->Map(Core::CurrentProcess().get(), addr, permissions_type, - MemoryPermission::DontCare); - default: - LOG_ERROR(Kernel_SVC, "unknown permissions=0x{:08X}", permissions); - } - - return RESULT_SUCCESS; + return shared_memory->Map(Core::CurrentProcess().get(), addr, permissions_type, + MemoryPermission::DontCare); } static ResultCode UnmapSharedMemory(Handle shared_memory_handle, VAddr addr, u64 size) { LOG_WARNING(Kernel_SVC, "called, shared_memory_handle=0x{:08X}, addr=0x{:X}, size=0x{:X}", shared_memory_handle, addr, size); + if (!Is4KBAligned(addr)) { + return ERR_INVALID_ADDRESS; + } + + if (size == 0 || !Is4KBAligned(size)) { + return ERR_INVALID_SIZE; + } + auto& kernel = Core::System::GetInstance().Kernel(); auto shared_memory = kernel.HandleTable().Get<SharedMemory>(shared_memory_handle); @@ -459,9 +547,9 @@ static ResultCode QueryProcessMemory(MemoryInfo* memory_info, PageInfo* /*page_i if (!process) { return ERR_INVALID_HANDLE; } - auto vma = process->vm_manager.FindVMA(addr); + auto vma = process->VMManager().FindVMA(addr); memory_info->attributes = 0; - if (vma == Core::CurrentProcess()->vm_manager.vma_map.end()) { + if (vma == Core::CurrentProcess()->VMManager().vma_map.end()) { memory_info->base_address = 0; memory_info->permission = static_cast<u32>(VMAPermission::None); memory_info->size = 0; @@ -485,35 +573,13 @@ static ResultCode QueryMemory(MemoryInfo* memory_info, PageInfo* page_info, VAdd /// Exits the current process static void ExitProcess() { - LOG_INFO(Kernel_SVC, "Process {} exiting", Core::CurrentProcess()->process_id); + auto& current_process = Core::CurrentProcess(); - ASSERT_MSG(Core::CurrentProcess()->status == ProcessStatus::Running, + LOG_INFO(Kernel_SVC, "Process {} exiting", current_process->GetProcessID()); + ASSERT_MSG(current_process->GetStatus() == ProcessStatus::Running, "Process has already exited"); - Core::CurrentProcess()->status = ProcessStatus::Exited; - - auto stop_threads = [](const std::vector<SharedPtr<Thread>>& thread_list) { - for (auto& thread : thread_list) { - if (thread->owner_process != Core::CurrentProcess()) - continue; - - if (thread == GetCurrentThread()) - continue; - - // TODO(Subv): When are the other running/ready threads terminated? - ASSERT_MSG(thread->status == ThreadStatus::WaitSynchAny || - thread->status == ThreadStatus::WaitSynchAll, - "Exiting processes with non-waiting threads is currently unimplemented"); - - thread->Stop(); - } - }; - - auto& system = Core::System::GetInstance(); - stop_threads(system.Scheduler(0)->GetThreadList()); - stop_threads(system.Scheduler(1)->GetThreadList()); - stop_threads(system.Scheduler(2)->GetThreadList()); - stop_threads(system.Scheduler(3)->GetThreadList()); + current_process->PrepareForTermination(); // Kill the current thread GetCurrentThread()->Stop(); @@ -524,20 +590,20 @@ static void ExitProcess() { /// Creates a new thread static ResultCode CreateThread(Handle* out_handle, VAddr entry_point, u64 arg, VAddr stack_top, u32 priority, s32 processor_id) { - std::string name = fmt::format("unknown-{:X}", entry_point); + std::string name = fmt::format("thread-{:X}", entry_point); if (priority > THREADPRIO_LOWEST) { return ERR_INVALID_THREAD_PRIORITY; } - SharedPtr<ResourceLimit>& resource_limit = Core::CurrentProcess()->resource_limit; - if (resource_limit->GetMaxResourceValue(ResourceType::Priority) > priority) { + const ResourceLimit& resource_limit = Core::CurrentProcess()->GetResourceLimit(); + if (resource_limit.GetMaxResourceValue(ResourceType::Priority) > priority) { return ERR_NOT_AUTHORIZED; } if (processor_id == THREADPROCESSORID_DEFAULT) { // Set the target CPU to the one specified in the process' exheader. - processor_id = Core::CurrentProcess()->ideal_processor; + processor_id = Core::CurrentProcess()->GetDefaultProcessorID(); ASSERT(processor_id != THREADPROCESSORID_DEFAULT); } @@ -647,16 +713,17 @@ static ResultCode SignalProcessWideKey(VAddr condition_variable_addr, s32 target LOG_TRACE(Kernel_SVC, "called, condition_variable_addr=0x{:X}, target=0x{:08X}", condition_variable_addr, target); - auto RetrieveWaitingThreads = - [](size_t core_index, std::vector<SharedPtr<Thread>>& waiting_threads, VAddr condvar_addr) { - const auto& scheduler = Core::System::GetInstance().Scheduler(core_index); - auto& thread_list = scheduler->GetThreadList(); + auto RetrieveWaitingThreads = [](std::size_t core_index, + std::vector<SharedPtr<Thread>>& waiting_threads, + VAddr condvar_addr) { + const auto& scheduler = Core::System::GetInstance().Scheduler(core_index); + auto& thread_list = scheduler->GetThreadList(); - for (auto& thread : thread_list) { - if (thread->condvar_wait_address == condvar_addr) - waiting_threads.push_back(thread); - } - }; + for (auto& thread : thread_list) { + if (thread->condvar_wait_address == condvar_addr) + waiting_threads.push_back(thread); + } + }; // Retrieve a list of all threads that are waiting for this condition variable. std::vector<SharedPtr<Thread>> waiting_threads; @@ -672,7 +739,7 @@ static ResultCode SignalProcessWideKey(VAddr condition_variable_addr, s32 target // Only process up to 'target' threads, unless 'target' is -1, in which case process // them all. - size_t last = waiting_threads.size(); + std::size_t last = waiting_threads.size(); if (target != -1) last = target; @@ -680,12 +747,12 @@ static ResultCode SignalProcessWideKey(VAddr condition_variable_addr, s32 target if (last > waiting_threads.size()) return RESULT_SUCCESS; - for (size_t index = 0; index < last; ++index) { + for (std::size_t index = 0; index < last; ++index) { auto& thread = waiting_threads[index]; ASSERT(thread->condvar_wait_address == condition_variable_addr); - size_t current_core = Core::System::GetInstance().CurrentCoreIndex(); + std::size_t current_core = Core::System::GetInstance().CurrentCoreIndex(); auto& monitor = Core::System::GetInstance().Monitor(); @@ -863,10 +930,10 @@ static ResultCode SetThreadCoreMask(Handle thread_handle, u32 core, u64 mask) { } if (core == static_cast<u32>(THREADPROCESSORID_DEFAULT)) { - ASSERT(thread->owner_process->ideal_processor != + ASSERT(thread->owner_process->GetDefaultProcessorID() != static_cast<u8>(THREADPROCESSORID_DEFAULT)); // Set the target CPU to the one specified in the process' exheader. - core = thread->owner_process->ideal_processor; + core = thread->owner_process->GetDefaultProcessorID(); mask = 1ull << core; } @@ -898,12 +965,28 @@ static ResultCode CreateSharedMemory(Handle* handle, u64 size, u32 local_permiss LOG_TRACE(Kernel_SVC, "called, size=0x{:X}, localPerms=0x{:08X}, remotePerms=0x{:08X}", size, local_permissions, remote_permissions); + // Size must be a multiple of 4KB and be less than or equal to + // approx. 8 GB (actually (1GB - 512B) * 8) + if (size == 0 || (size & 0xFFFFFFFE00000FFF) != 0) { + return ERR_INVALID_SIZE; + } + + const auto local_perms = static_cast<MemoryPermission>(local_permissions); + if (local_perms != MemoryPermission::Read && local_perms != MemoryPermission::ReadWrite) { + return ERR_INVALID_MEMORY_PERMISSIONS; + } + + const auto remote_perms = static_cast<MemoryPermission>(remote_permissions); + if (remote_perms != MemoryPermission::Read && remote_perms != MemoryPermission::ReadWrite && + remote_perms != MemoryPermission::DontCare) { + return ERR_INVALID_MEMORY_PERMISSIONS; + } + auto& kernel = Core::System::GetInstance().Kernel(); auto& handle_table = kernel.HandleTable(); auto shared_mem_handle = SharedMemory::Create(kernel, handle_table.Get<Process>(KernelHandle::CurrentProcess), size, - static_cast<MemoryPermission>(local_permissions), - static_cast<MemoryPermission>(remote_permissions)); + local_perms, remote_perms); CASCADE_RESULT(*handle, handle_table.Create(shared_mem_handle)); return RESULT_SUCCESS; @@ -977,7 +1060,7 @@ static const FunctionDef SVC_Table[] = { {0x2B, nullptr, "FlushDataCache"}, {0x2C, nullptr, "MapPhysicalMemory"}, {0x2D, nullptr, "UnmapPhysicalMemory"}, - {0x2E, nullptr, "GetNextThreadInfo"}, + {0x2E, nullptr, "GetFutureThreadInfo"}, {0x2F, nullptr, "GetLastThreadInfo"}, {0x30, nullptr, "GetResourceLimitLimitValue"}, {0x31, nullptr, "GetResourceLimitCurrentValue"}, @@ -1003,11 +1086,11 @@ static const FunctionDef SVC_Table[] = { {0x45, nullptr, "CreateEvent"}, {0x46, nullptr, "Unknown"}, {0x47, nullptr, "Unknown"}, - {0x48, nullptr, "AllocateUnsafeMemory"}, - {0x49, nullptr, "FreeUnsafeMemory"}, - {0x4A, nullptr, "SetUnsafeAllocationLimit"}, - {0x4B, nullptr, "CreateJitMemory"}, - {0x4C, nullptr, "MapJitMemory"}, + {0x48, nullptr, "MapPhysicalMemoryUnsafe"}, + {0x49, nullptr, "UnmapPhysicalMemoryUnsafe"}, + {0x4A, nullptr, "SetUnsafeLimit"}, + {0x4B, nullptr, "CreateCodeMemory"}, + {0x4C, nullptr, "ControlCodeMemory"}, {0x4D, nullptr, "SleepSystem"}, {0x4E, nullptr, "ReadWriteRegister"}, {0x4F, nullptr, "SetProcessActivity"}, @@ -1042,7 +1125,7 @@ static const FunctionDef SVC_Table[] = { {0x6C, nullptr, "SetHardwareBreakPoint"}, {0x6D, nullptr, "GetDebugThreadParam"}, {0x6E, nullptr, "Unknown"}, - {0x6F, nullptr, "GetMemoryInfo"}, + {0x6F, nullptr, "GetSystemInfo"}, {0x70, nullptr, "CreatePort"}, {0x71, nullptr, "ManageNamedPort"}, {0x72, nullptr, "ConnectToPort"}, |