diff options
Diffstat (limited to 'src/core/hle/kernel/svc/svc_process.cpp')
-rw-r--r-- | src/core/hle/kernel/svc/svc_process.cpp | 194 |
1 files changed, 194 insertions, 0 deletions
diff --git a/src/core/hle/kernel/svc/svc_process.cpp b/src/core/hle/kernel/svc/svc_process.cpp new file mode 100644 index 000000000..c35d2be76 --- /dev/null +++ b/src/core/hle/kernel/svc/svc_process.cpp @@ -0,0 +1,194 @@ +// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project +// SPDX-License-Identifier: GPL-2.0-or-later + +#include "core/core.h" +#include "core/hle/kernel/k_process.h" +#include "core/hle/kernel/svc.h" + +namespace Kernel::Svc { + +/// Exits the current process +void ExitProcess(Core::System& system) { + auto* current_process = GetCurrentProcessPointer(system.Kernel()); + + LOG_INFO(Kernel_SVC, "Process {} exiting", current_process->GetProcessID()); + ASSERT_MSG(current_process->GetState() == KProcess::State::Running, + "Process has already exited"); + + system.Exit(); +} + +/// Gets the ID of the specified process or a specified thread's owning process. +Result GetProcessId(Core::System& system, u64* out_process_id, Handle handle) { + LOG_DEBUG(Kernel_SVC, "called handle=0x{:08X}", handle); + + // Get the object from the handle table. + KScopedAutoObject obj = GetCurrentProcess(system.Kernel()) + .GetHandleTable() + .GetObject<KAutoObject>(static_cast<Handle>(handle)); + R_UNLESS(obj.IsNotNull(), ResultInvalidHandle); + + // Get the process from the object. + KProcess* process = nullptr; + if (KProcess* p = obj->DynamicCast<KProcess*>(); p != nullptr) { + // The object is a process, so we can use it directly. + process = p; + } else if (KThread* t = obj->DynamicCast<KThread*>(); t != nullptr) { + // The object is a thread, so we want to use its parent. + process = reinterpret_cast<KThread*>(obj.GetPointerUnsafe())->GetOwnerProcess(); + } else { + // TODO(bunnei): This should also handle debug objects before returning. + UNIMPLEMENTED_MSG("Debug objects not implemented"); + } + + // Make sure the target process exists. + R_UNLESS(process != nullptr, ResultInvalidHandle); + + // Get the process id. + *out_process_id = process->GetId(); + + return ResultSuccess; +} + +Result GetProcessList(Core::System& system, s32* out_num_processes, VAddr out_process_ids, + int32_t out_process_ids_size) { + LOG_DEBUG(Kernel_SVC, "called. out_process_ids=0x{:016X}, out_process_ids_size={}", + out_process_ids, out_process_ids_size); + + // If the supplied size is negative or greater than INT32_MAX / sizeof(u64), bail. + if ((out_process_ids_size & 0xF0000000) != 0) { + LOG_ERROR(Kernel_SVC, + "Supplied size outside [0, 0x0FFFFFFF] range. out_process_ids_size={}", + out_process_ids_size); + return ResultOutOfRange; + } + + auto& kernel = system.Kernel(); + const auto total_copy_size = out_process_ids_size * sizeof(u64); + + if (out_process_ids_size > 0 && !GetCurrentProcess(kernel).PageTable().IsInsideAddressSpace( + out_process_ids, total_copy_size)) { + LOG_ERROR(Kernel_SVC, "Address range outside address space. begin=0x{:016X}, end=0x{:016X}", + out_process_ids, out_process_ids + total_copy_size); + return ResultInvalidCurrentMemory; + } + + auto& memory = system.Memory(); + const auto& process_list = kernel.GetProcessList(); + const auto num_processes = process_list.size(); + const auto copy_amount = + std::min(static_cast<std::size_t>(out_process_ids_size), num_processes); + + for (std::size_t i = 0; i < copy_amount; ++i) { + memory.Write64(out_process_ids, process_list[i]->GetProcessID()); + out_process_ids += sizeof(u64); + } + + *out_num_processes = static_cast<u32>(num_processes); + return ResultSuccess; +} + +Result GetProcessInfo(Core::System& system, s64* out, Handle process_handle, + ProcessInfoType info_type) { + LOG_DEBUG(Kernel_SVC, "called, handle=0x{:08X}, type=0x{:X}", process_handle, info_type); + + const auto& handle_table = GetCurrentProcess(system.Kernel()).GetHandleTable(); + KScopedAutoObject process = handle_table.GetObject<KProcess>(process_handle); + if (process.IsNull()) { + LOG_ERROR(Kernel_SVC, "Process handle does not exist, process_handle=0x{:08X}", + process_handle); + return ResultInvalidHandle; + } + + if (info_type != ProcessInfoType::ProcessState) { + LOG_ERROR(Kernel_SVC, "Expected info_type to be ProcessState but got {} instead", + info_type); + return ResultInvalidEnumValue; + } + + *out = static_cast<s64>(process->GetState()); + return ResultSuccess; +} + +Result CreateProcess(Core::System& system, Handle* out_handle, uint64_t parameters, uint64_t caps, + int32_t num_caps) { + UNIMPLEMENTED(); + R_THROW(ResultNotImplemented); +} + +Result StartProcess(Core::System& system, Handle process_handle, int32_t priority, int32_t core_id, + uint64_t main_thread_stack_size) { + UNIMPLEMENTED(); + R_THROW(ResultNotImplemented); +} + +Result TerminateProcess(Core::System& system, Handle process_handle) { + UNIMPLEMENTED(); + R_THROW(ResultNotImplemented); +} + +void ExitProcess64(Core::System& system) { + ExitProcess(system); +} + +Result GetProcessId64(Core::System& system, uint64_t* out_process_id, Handle process_handle) { + R_RETURN(GetProcessId(system, out_process_id, process_handle)); +} + +Result GetProcessList64(Core::System& system, int32_t* out_num_processes, uint64_t out_process_ids, + int32_t max_out_count) { + R_RETURN(GetProcessList(system, out_num_processes, out_process_ids, max_out_count)); +} + +Result CreateProcess64(Core::System& system, Handle* out_handle, uint64_t parameters, uint64_t caps, + int32_t num_caps) { + R_RETURN(CreateProcess(system, out_handle, parameters, caps, num_caps)); +} + +Result StartProcess64(Core::System& system, Handle process_handle, int32_t priority, + int32_t core_id, uint64_t main_thread_stack_size) { + R_RETURN(StartProcess(system, process_handle, priority, core_id, main_thread_stack_size)); +} + +Result TerminateProcess64(Core::System& system, Handle process_handle) { + R_RETURN(TerminateProcess(system, process_handle)); +} + +Result GetProcessInfo64(Core::System& system, int64_t* out_info, Handle process_handle, + ProcessInfoType info_type) { + R_RETURN(GetProcessInfo(system, out_info, process_handle, info_type)); +} + +void ExitProcess64From32(Core::System& system) { + ExitProcess(system); +} + +Result GetProcessId64From32(Core::System& system, uint64_t* out_process_id, Handle process_handle) { + R_RETURN(GetProcessId(system, out_process_id, process_handle)); +} + +Result GetProcessList64From32(Core::System& system, int32_t* out_num_processes, + uint32_t out_process_ids, int32_t max_out_count) { + R_RETURN(GetProcessList(system, out_num_processes, out_process_ids, max_out_count)); +} + +Result CreateProcess64From32(Core::System& system, Handle* out_handle, uint32_t parameters, + uint32_t caps, int32_t num_caps) { + R_RETURN(CreateProcess(system, out_handle, parameters, caps, num_caps)); +} + +Result StartProcess64From32(Core::System& system, Handle process_handle, int32_t priority, + int32_t core_id, uint64_t main_thread_stack_size) { + R_RETURN(StartProcess(system, process_handle, priority, core_id, main_thread_stack_size)); +} + +Result TerminateProcess64From32(Core::System& system, Handle process_handle) { + R_RETURN(TerminateProcess(system, process_handle)); +} + +Result GetProcessInfo64From32(Core::System& system, int64_t* out_info, Handle process_handle, + ProcessInfoType info_type) { + R_RETURN(GetProcessInfo(system, out_info, process_handle, info_type)); +} + +} // namespace Kernel::Svc |