diff options
| -rw-r--r-- | src/core/hle/kernel/process.cpp | 29 | ||||
| -rw-r--r-- | src/core/hle/kernel/process.h | 11 | ||||
| -rw-r--r-- | src/core/hle/kernel/svc.cpp | 4 |
3 files changed, 30 insertions, 14 deletions
diff --git a/src/core/hle/kernel/process.cpp b/src/core/hle/kernel/process.cpp index db3ab14ce..92169a97b 100644 --- a/src/core/hle/kernel/process.cpp +++ b/src/core/hle/kernel/process.cpp @@ -184,19 +184,11 @@ ResultCode Process::LoadFromMetadata(const FileSys::ProgramMetadata& metadata) { } void Process::Run(s32 main_thread_priority, u64 stack_size) { - // The kernel always ensures that the given stack size is page aligned. - main_thread_stack_size = Common::AlignUp(stack_size, Memory::PAGE_SIZE); - - // Allocate and map the main thread stack - // TODO(bunnei): This is heap area that should be allocated by the kernel and not mapped as part - // of the user address space. - const VAddr mapping_address = vm_manager.GetTLSIORegionEndAddress() - main_thread_stack_size; - vm_manager - .MapMemoryBlock(mapping_address, std::make_shared<std::vector<u8>>(main_thread_stack_size), - 0, main_thread_stack_size, MemoryState::Stack) - .Unwrap(); + AllocateMainThreadStack(stack_size); + tls_region_address = CreateTLSRegion(); vm_manager.LogLayout(); + ChangeStatus(ProcessStatus::Running); SetupMainThread(*this, kernel, main_thread_priority); @@ -226,6 +218,9 @@ void Process::PrepareForTermination() { stop_threads(system.Scheduler(2).GetThreadList()); stop_threads(system.Scheduler(3).GetThreadList()); + FreeTLSRegion(tls_region_address); + tls_region_address = 0; + ChangeStatus(ProcessStatus::Exited); } @@ -325,4 +320,16 @@ void Process::ChangeStatus(ProcessStatus new_status) { WakeupAllWaitingThreads(); } +void Process::AllocateMainThreadStack(u64 stack_size) { + // The kernel always ensures that the given stack size is page aligned. + main_thread_stack_size = Common::AlignUp(stack_size, Memory::PAGE_SIZE); + + // Allocate and map the main thread stack + const VAddr mapping_address = vm_manager.GetTLSIORegionEndAddress() - main_thread_stack_size; + vm_manager + .MapMemoryBlock(mapping_address, std::make_shared<std::vector<u8>>(main_thread_stack_size), + 0, main_thread_stack_size, MemoryState::Stack) + .Unwrap(); +} + } // namespace Kernel diff --git a/src/core/hle/kernel/process.h b/src/core/hle/kernel/process.h index 3196014da..c2df451f3 100644 --- a/src/core/hle/kernel/process.h +++ b/src/core/hle/kernel/process.h @@ -135,6 +135,11 @@ public: return mutex; } + /// Gets the address to the process' dedicated TLS region. + VAddr GetTLSRegionAddress() const { + return tls_region_address; + } + /// Gets the current status of the process ProcessStatus GetStatus() const { return status; @@ -296,6 +301,9 @@ private: /// a process signal. void ChangeStatus(ProcessStatus new_status); + /// Allocates the main thread stack for the process, given the stack size in bytes. + void AllocateMainThreadStack(u64 stack_size); + /// Memory manager for this process. Kernel::VMManager vm_manager; @@ -358,6 +366,9 @@ private: /// variable related facilities. Mutex mutex; + /// Address indicating the location of the process' dedicated TLS region. + VAddr tls_region_address = 0; + /// Random values for svcGetInfo RandomEntropy std::array<u64, RANDOM_ENTROPY_SIZE> random_entropy{}; diff --git a/src/core/hle/kernel/svc.cpp b/src/core/hle/kernel/svc.cpp index 0687839ff..1fd1a732a 100644 --- a/src/core/hle/kernel/svc.cpp +++ b/src/core/hle/kernel/svc.cpp @@ -843,9 +843,7 @@ static ResultCode GetInfo(Core::System& system, u64* result, u64 info_id, u64 ha return RESULT_SUCCESS; case GetInfoType::UserExceptionContextAddr: - LOG_WARNING(Kernel_SVC, - "(STUBBED) Attempted to query user exception context address, returned 0"); - *result = 0; + *result = process->GetTLSRegionAddress(); return RESULT_SUCCESS; case GetInfoType::TotalPhysicalMemoryAvailableWithoutSystemResource: |