Kernel/Thread: Allow specifying which process a thread belongs to when creating it.
Don't automatically assume that Thread::Create will only be called when the parent process is currently scheduled. This assumption will be broken when applets or system modules are loaded.
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@ -147,7 +147,7 @@ void Process::Run(s32 main_thread_priority, u32 stack_size) {
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}
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vm_manager.LogLayout(Log::Level::Debug);
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Kernel::SetupMainThread(codeset->entrypoint, main_thread_priority);
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Kernel::SetupMainThread(codeset->entrypoint, main_thread_priority, this);
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}
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VAddr Process::GetLinearHeapAreaAddress() const {
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@ -361,7 +361,8 @@ static void ResetThreadContext(ARM_Interface::ThreadContext& context, u32 stack_
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}
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ResultVal<SharedPtr<Thread>> Thread::Create(std::string name, VAddr entry_point, u32 priority,
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u32 arg, s32 processor_id, VAddr stack_top) {
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u32 arg, s32 processor_id, VAddr stack_top,
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SharedPtr<Process> owner_process) {
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// Check if priority is in ranged. Lowest priority -> highest priority id.
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if (priority > THREADPRIO_LOWEST) {
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LOG_ERROR(Kernel_SVC, "Invalid thread priority: %d", priority);
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@ -375,7 +376,7 @@ ResultVal<SharedPtr<Thread>> Thread::Create(std::string name, VAddr entry_point,
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// TODO(yuriks): Other checks, returning 0xD9001BEA
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if (!Memory::IsValidVirtualAddress(entry_point)) {
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if (!Memory::IsValidVirtualAddress(*owner_process, entry_point)) {
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LOG_ERROR(Kernel_SVC, "(name=%s): invalid entry %08x", name.c_str(), entry_point);
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// TODO: Verify error
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return ResultCode(ErrorDescription::InvalidAddress, ErrorModule::Kernel,
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@ -399,10 +400,10 @@ ResultVal<SharedPtr<Thread>> Thread::Create(std::string name, VAddr entry_point,
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thread->wait_address = 0;
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thread->name = std::move(name);
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thread->callback_handle = wakeup_callback_handle_table.Create(thread).Unwrap();
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thread->owner_process = g_current_process;
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thread->owner_process = owner_process;
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// Find the next available TLS index, and mark it as used
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auto& tls_slots = Kernel::g_current_process->tls_slots;
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auto& tls_slots = owner_process->tls_slots;
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bool needs_allocation = true;
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u32 available_page; // Which allocated page has free space
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u32 available_slot; // Which slot within the page is free
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@ -426,13 +427,13 @@ ResultVal<SharedPtr<Thread>> Thread::Create(std::string name, VAddr entry_point,
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// Allocate some memory from the end of the linear heap for this region.
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linheap_memory->insert(linheap_memory->end(), Memory::PAGE_SIZE, 0);
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memory_region->used += Memory::PAGE_SIZE;
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Kernel::g_current_process->linear_heap_used += Memory::PAGE_SIZE;
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owner_process->linear_heap_used += Memory::PAGE_SIZE;
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tls_slots.emplace_back(0); // The page is completely available at the start
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available_page = tls_slots.size() - 1;
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available_slot = 0; // Use the first slot in the new page
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auto& vm_manager = Kernel::g_current_process->vm_manager;
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auto& vm_manager = owner_process->vm_manager;
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vm_manager.RefreshMemoryBlockMappings(linheap_memory.get());
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// Map the page to the current process' address space.
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@ -486,10 +487,10 @@ void Thread::BoostPriority(s32 priority) {
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current_priority = priority;
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}
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SharedPtr<Thread> SetupMainThread(u32 entry_point, s32 priority) {
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SharedPtr<Thread> SetupMainThread(u32 entry_point, s32 priority, SharedPtr<Process> owner_process) {
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// Initialize new "main" thread
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auto thread_res = Thread::Create("main", entry_point, priority, 0, THREADPROCESSORID_0,
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Memory::HEAP_VADDR_END);
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Memory::HEAP_VADDR_END, owner_process);
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SharedPtr<Thread> thread = std::move(thread_res).Unwrap();
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@ -56,10 +56,12 @@ public:
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* @param arg User data to pass to the thread
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* @param processor_id The ID(s) of the processors on which the thread is desired to be run
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* @param stack_top The address of the thread's stack top
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* @param owner_process The parent process for the thread
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* @return A shared pointer to the newly created thread
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*/
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static ResultVal<SharedPtr<Thread>> Create(std::string name, VAddr entry_point, u32 priority,
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u32 arg, s32 processor_id, VAddr stack_top);
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u32 arg, s32 processor_id, VAddr stack_top,
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SharedPtr<Process> owner_process);
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std::string GetName() const override {
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return name;
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@ -214,9 +216,10 @@ private:
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* Sets up the primary application thread
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* @param entry_point The address at which the thread should start execution
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* @param priority The priority to give the main thread
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* @param owner_process The parent process for the main thread
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* @return A shared pointer to the main thread
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*/
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SharedPtr<Thread> SetupMainThread(u32 entry_point, s32 priority);
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SharedPtr<Thread> SetupMainThread(u32 entry_point, s32 priority, SharedPtr<Process> owner_process);
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/**
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* Returns whether there are any threads that are ready to run.
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@ -276,4 +279,4 @@ void ThreadingShutdown();
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*/
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const std::vector<SharedPtr<Thread>>& GetThreadList();
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} // namespace
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} // namespace Kernel
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@ -656,8 +656,9 @@ static ResultCode CreateThread(Kernel::Handle* out_handle, u32 priority, u32 ent
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"Newly created thread must run in the SysCore (Core1), unimplemented.");
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}
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CASCADE_RESULT(SharedPtr<Thread> thread, Kernel::Thread::Create(name, entry_point, priority,
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arg, processor_id, stack_top));
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CASCADE_RESULT(SharedPtr<Thread> thread,
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Kernel::Thread::Create(name, entry_point, priority, arg, processor_id, stack_top,
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Kernel::g_current_process));
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thread->context.fpscr =
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FPSCR_DEFAULT_NAN | FPSCR_FLUSH_TO_ZERO | FPSCR_ROUND_TOZERO; // 0x03C00000
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