diff options
Diffstat (limited to 'src/core/hle/kernel/thread.cpp')
| -rw-r--r-- | src/core/hle/kernel/thread.cpp | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/src/core/hle/kernel/thread.cpp b/src/core/hle/kernel/thread.cpp index 9dea995f4..f1e5cf3cb 100644 --- a/src/core/hle/kernel/thread.cpp +++ b/src/core/hle/kernel/thread.cpp @@ -441,6 +441,22 @@ std::tuple<u32, u32, bool> GetFreeThreadLocalSlot(std::vector<std::bitset<8>>& t return std::make_tuple(0, 0, true); } +/** + * Resets a thread context, making it ready to be scheduled and run by the CPU + * @param context Thread context to reset + * @param stack_top Address of the top of the stack + * @param entry_point Address of entry point for execution + * @param arg User argument for thread + */ +static void ResetThreadContext(Core::ThreadContext& context, u32 stack_top, u32 entry_point, u32 arg) { + memset(&context, 0, sizeof(Core::ThreadContext)); + + context.cpu_registers[0] = arg; + context.pc = entry_point; + context.sp = stack_top; + context.cpsr = USER32MODE | ((entry_point & 1) << 5); // Usermode and THUMB mode +} + ResultVal<SharedPtr<Thread>> Thread::Create(std::string name, VAddr entry_point, s32 priority, u32 arg, s32 processor_id, VAddr stack_top) { if (priority < THREADPRIO_HIGHEST || priority > THREADPRIO_LOWEST) { @@ -525,7 +541,7 @@ ResultVal<SharedPtr<Thread>> Thread::Create(std::string name, VAddr entry_point, // TODO(peachum): move to ScheduleThread() when scheduler is added so selected core is used // to initialize the context - Core::g_app_core->ResetContext(thread->context, stack_top, entry_point, arg); + ResetThreadContext(thread->context, stack_top, entry_point, arg); ready_queue.push_back(thread->current_priority, thread.get()); thread->status = THREADSTATUS_READY; |