diff options
Diffstat (limited to 'src/core')
-rw-r--r-- | src/core/arm/unicorn/arm_unicorn.cpp | 9 | ||||
-rw-r--r-- | src/core/core.h | 4 | ||||
-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 | 12 |
5 files changed, 40 insertions, 25 deletions
diff --git a/src/core/arm/unicorn/arm_unicorn.cpp b/src/core/arm/unicorn/arm_unicorn.cpp index b0ee7821a..97d5c2a8a 100644 --- a/src/core/arm/unicorn/arm_unicorn.cpp +++ b/src/core/arm/unicorn/arm_unicorn.cpp @@ -50,11 +50,14 @@ static void CodeHook(uc_engine* uc, uint64_t address, uint32_t size, void* user_ static bool UnmappedMemoryHook(uc_engine* uc, uc_mem_type type, u64 addr, int size, u64 value, void* user_data) { + auto* const system = static_cast<System*>(user_data); + ARM_Interface::ThreadContext ctx{}; - Core::CurrentArmInterface().SaveContext(ctx); + system->CurrentArmInterface().SaveContext(ctx); ASSERT_MSG(false, "Attempted to read from unmapped memory: 0x{:X}, pc=0x{:X}, lr=0x{:X}", addr, ctx.pc, ctx.cpu_registers[30]); - return {}; + + return false; } ARM_Unicorn::ARM_Unicorn(System& system) : system{system} { @@ -65,7 +68,7 @@ ARM_Unicorn::ARM_Unicorn(System& system) : system{system} { uc_hook hook{}; CHECKED(uc_hook_add(uc, &hook, UC_HOOK_INTR, (void*)InterruptHook, this, 0, -1)); - CHECKED(uc_hook_add(uc, &hook, UC_HOOK_MEM_INVALID, (void*)UnmappedMemoryHook, this, 0, -1)); + CHECKED(uc_hook_add(uc, &hook, UC_HOOK_MEM_INVALID, (void*)UnmappedMemoryHook, &system, 0, -1)); if (GDBStub::IsServerEnabled()) { CHECKED(uc_hook_add(uc, &hook, UC_HOOK_CODE, (void*)CodeHook, this, 0, -1)); last_bkpt_hit = false; diff --git a/src/core/core.h b/src/core/core.h index 11e73278e..8ebb385ac 100644 --- a/src/core/core.h +++ b/src/core/core.h @@ -327,10 +327,6 @@ private: static System s_instance; }; -inline ARM_Interface& CurrentArmInterface() { - return System::GetInstance().CurrentArmInterface(); -} - inline Kernel::Process* CurrentProcess() { return System::GetInstance().CurrentProcess(); } 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 a46eed3da..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: @@ -1739,8 +1737,8 @@ static ResultCode SignalProcessWideKey(Core::System& system, VAddr condition_var // Wait for an address (via Address Arbiter) static ResultCode WaitForAddress(Core::System& system, VAddr address, u32 type, s32 value, s64 timeout) { - LOG_WARNING(Kernel_SVC, "called, address=0x{:X}, type=0x{:X}, value=0x{:X}, timeout={}", - address, type, value, timeout); + LOG_TRACE(Kernel_SVC, "called, address=0x{:X}, type=0x{:X}, value=0x{:X}, timeout={}", address, + type, value, timeout); // If the passed address is a kernel virtual address, return invalid memory state. if (Memory::IsKernelVirtualAddress(address)) { @@ -1762,8 +1760,8 @@ static ResultCode WaitForAddress(Core::System& system, VAddr address, u32 type, // Signals to an address (via Address Arbiter) static ResultCode SignalToAddress(Core::System& system, VAddr address, u32 type, s32 value, s32 num_to_wake) { - LOG_WARNING(Kernel_SVC, "called, address=0x{:X}, type=0x{:X}, value=0x{:X}, num_to_wake=0x{:X}", - address, type, value, num_to_wake); + LOG_TRACE(Kernel_SVC, "called, address=0x{:X}, type=0x{:X}, value=0x{:X}, num_to_wake=0x{:X}", + address, type, value, num_to_wake); // If the passed address is a kernel virtual address, return invalid memory state. if (Memory::IsKernelVirtualAddress(address)) { |