diff --git a/src/core/gdbstub/gdbstub.cpp b/src/core/gdbstub/gdbstub.cpp index e6b5171eed..a1cad4fcb4 100644 --- a/src/core/gdbstub/gdbstub.cpp +++ b/src/core/gdbstub/gdbstub.cpp @@ -201,11 +201,11 @@ void RegisterModule(std::string name, VAddr beg, VAddr end, bool add_elf_ext) { modules.push_back(std::move(module)); } -static Kernel::Thread* FindThreadById(int id) { +static Kernel::Thread* FindThreadById(s64 id) { for (u32 core = 0; core < Core::NUM_CPU_CORES; core++) { const auto& threads = Core::System::GetInstance().Scheduler(core).GetThreadList(); for (auto& thread : threads) { - if (thread->GetThreadID() == static_cast(id)) { + if (thread->GetThreadID() == static_cast(id)) { current_core = core; return thread.get(); } diff --git a/src/core/hle/kernel/kernel.cpp b/src/core/hle/kernel/kernel.cpp index e441c5bc6a..1c2290651e 100644 --- a/src/core/hle/kernel/kernel.cpp +++ b/src/core/hle/kernel/kernel.cpp @@ -112,7 +112,7 @@ struct KernelCore::Impl { void Shutdown() { next_object_id = 0; - next_process_id = 10; + next_process_id = Process::ProcessIDMin; next_thread_id = 1; process_list.clear(); @@ -153,10 +153,8 @@ struct KernelCore::Impl { } std::atomic next_object_id{0}; - // TODO(Subv): Start the process ids from 10 for now, as lower PIDs are - // reserved for low-level services - std::atomic next_process_id{10}; - std::atomic next_thread_id{1}; + std::atomic next_process_id{Process::ProcessIDMin}; + std::atomic next_thread_id{1}; // Lists all processes that exist in the current session. std::vector> process_list; @@ -242,11 +240,11 @@ u32 KernelCore::CreateNewObjectID() { return impl->next_object_id++; } -u32 KernelCore::CreateNewThreadID() { +u64 KernelCore::CreateNewThreadID() { return impl->next_thread_id++; } -u32 KernelCore::CreateNewProcessID() { +u64 KernelCore::CreateNewProcessID() { return impl->next_process_id++; } diff --git a/src/core/hle/kernel/kernel.h b/src/core/hle/kernel/kernel.h index ea00c89f59..58c9d108b9 100644 --- a/src/core/hle/kernel/kernel.h +++ b/src/core/hle/kernel/kernel.h @@ -88,10 +88,10 @@ private: u32 CreateNewObjectID(); /// Creates a new process ID, incrementing the internal process ID counter; - u32 CreateNewProcessID(); + u64 CreateNewProcessID(); /// Creates a new thread ID, incrementing the internal thread ID counter. - u32 CreateNewThreadID(); + u64 CreateNewThreadID(); /// Creates a timer callback handle for the given timer. ResultVal CreateTimerCallbackHandle(const SharedPtr& timer); diff --git a/src/core/hle/kernel/process.h b/src/core/hle/kernel/process.h index 459eedfa6d..7da367251f 100644 --- a/src/core/hle/kernel/process.h +++ b/src/core/hle/kernel/process.h @@ -120,6 +120,18 @@ struct CodeSet final { class Process final : public WaitObject { public: + enum : u64 { + /// Lowest allowed process ID for a kernel initial process. + InitialKIPIDMin = 1, + /// Highest allowed process ID for a kernel initial process. + InitialKIPIDMax = 80, + + /// Lowest allowed process ID for a userland process. + ProcessIDMin = 81, + /// Highest allowed process ID for a userland process. + ProcessIDMax = 0xFFFFFFFFFFFFFFFF, + }; + static constexpr std::size_t RANDOM_ENTROPY_SIZE = 4; static SharedPtr Create(KernelCore& kernel, std::string&& name); @@ -162,7 +174,7 @@ public: } /// Gets the unique ID that identifies this particular process. - u32 GetProcessID() const { + u64 GetProcessID() const { return process_id; } @@ -288,10 +300,10 @@ private: ProcessStatus status; /// The ID of this process - u32 process_id = 0; + u64 process_id = 0; /// Title ID corresponding to the process - u64 program_id; + u64 program_id = 0; /// Resource limit descriptor for this process SharedPtr resource_limit; diff --git a/src/core/hle/kernel/svc.cpp b/src/core/hle/kernel/svc.cpp index c826dfd967..28268e1124 100644 --- a/src/core/hle/kernel/svc.cpp +++ b/src/core/hle/kernel/svc.cpp @@ -391,7 +391,7 @@ static ResultCode SendSyncRequest(Handle handle) { } /// Get the ID for the specified thread. -static ResultCode GetThreadId(u32* thread_id, Handle thread_handle) { +static ResultCode GetThreadId(u64* thread_id, Handle thread_handle) { LOG_TRACE(Kernel_SVC, "called thread=0x{:08X}", thread_handle); const auto& handle_table = Core::CurrentProcess()->GetHandleTable(); @@ -405,20 +405,33 @@ static ResultCode GetThreadId(u32* thread_id, Handle thread_handle) { return RESULT_SUCCESS; } -/// Get the ID of the specified process -static ResultCode GetProcessId(u32* process_id, Handle process_handle) { - LOG_TRACE(Kernel_SVC, "called process=0x{:08X}", process_handle); +/// Gets the ID of the specified process or a specified thread's owning process. +static ResultCode GetProcessId(u64* process_id, Handle handle) { + LOG_DEBUG(Kernel_SVC, "called handle=0x{:08X}", handle); const auto& handle_table = Core::CurrentProcess()->GetHandleTable(); - const SharedPtr process = handle_table.Get(process_handle); - if (!process) { - LOG_ERROR(Kernel_SVC, "Process handle does not exist, process_handle=0x{:08X}", - process_handle); - return ERR_INVALID_HANDLE; + const SharedPtr process = handle_table.Get(handle); + if (process) { + *process_id = process->GetProcessID(); + return RESULT_SUCCESS; } - *process_id = process->GetProcessID(); - return RESULT_SUCCESS; + const SharedPtr thread = handle_table.Get(handle); + if (thread) { + const Process* const owner_process = thread->GetOwnerProcess(); + if (!owner_process) { + LOG_ERROR(Kernel_SVC, "Non-existent owning process encountered."); + return ERR_INVALID_HANDLE; + } + + *process_id = owner_process->GetProcessID(); + return RESULT_SUCCESS; + } + + // NOTE: This should also handle debug objects before returning. + + LOG_ERROR(Kernel_SVC, "Handle does not exist, handle=0x{:08X}", handle); + return ERR_INVALID_HANDLE; } /// Default thread wakeup callback for WaitSynchronization diff --git a/src/core/hle/kernel/svc_wrap.h b/src/core/hle/kernel/svc_wrap.h index 2f758b959b..2a2c2c5ead 100644 --- a/src/core/hle/kernel/svc_wrap.h +++ b/src/core/hle/kernel/svc_wrap.h @@ -73,7 +73,15 @@ void SvcWrap() { template void SvcWrap() { u32 param_1 = 0; - u32 retval = func(¶m_1, Param(1)).raw; + const u32 retval = func(¶m_1, Param(1)).raw; + Core::CurrentArmInterface().SetReg(1, param_1); + FuncReturn(retval); +} + +template +void SvcWrap() { + u64 param_1 = 0; + const u32 retval = func(¶m_1, static_cast(Param(1))).raw; Core::CurrentArmInterface().SetReg(1, param_1); FuncReturn(retval); } diff --git a/src/core/hle/kernel/thread.h b/src/core/hle/kernel/thread.h index 77aec099ae..d6e7981d3c 100644 --- a/src/core/hle/kernel/thread.h +++ b/src/core/hle/kernel/thread.h @@ -151,7 +151,7 @@ public: * Gets the thread's thread ID * @return The thread's ID */ - u32 GetThreadID() const { + u64 GetThreadID() const { return thread_id; } @@ -379,7 +379,7 @@ private: Core::ARM_Interface::ThreadContext context{}; - u32 thread_id = 0; + u64 thread_id = 0; ThreadStatus status = ThreadStatus::Dormant;