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core/core: Move process execution start to System's Load()

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This gives us significantly more control over where in the
initialization process we start execution of the main process.

Previously we were running the main process before the CPU or GPU
threads were initialized (not good). This amends execution to start
after all of our threads are properly set up.
This commit is contained in:
Lioncash
2019-04-09 17:03:04 -04:00
parent 32a6ceb4e5
commit 612e1388df
20 changed files with 144 additions and 107 deletions
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12
src/core/hle/kernel/process.cpp
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@ -28,12 +28,12 @@ namespace {
*
* @param owner_process The parent process for the main thread
* @param kernel The kernel instance to create the main thread under.
* @param entry_point The address at which the thread should start execution
* @param priority The priority to give the main thread
*/
void SetupMainThread(Process& owner_process, KernelCore& kernel, VAddr entry_point, u32 priority) {
// Initialize new "main" thread
const VAddr stack_top = owner_process.VMManager().GetTLSIORegionEndAddress();
void SetupMainThread(Process& owner_process, KernelCore& kernel, u32 priority) {
const auto& vm_manager = owner_process.VMManager();
const VAddr entry_point = vm_manager.GetCodeRegionBaseAddress();
const VAddr stack_top = vm_manager.GetTLSIORegionEndAddress();
auto thread_res = Thread::Create(kernel, "main", entry_point, priority, 0,
owner_process.GetIdealCore(), stack_top, owner_process);
@ -117,7 +117,7 @@ ResultCode Process::LoadFromMetadata(const FileSys::ProgramMetadata& metadata) {
return handle_table.SetSize(capabilities.GetHandleTableSize());
}
void Process::Run(VAddr entry_point, s32 main_thread_priority, u64 stack_size) {
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);
@ -133,7 +133,7 @@ void Process::Run(VAddr entry_point, s32 main_thread_priority, u64 stack_size) {
vm_manager.LogLayout();
ChangeStatus(ProcessStatus::Running);
SetupMainThread(*this, kernel, entry_point, main_thread_priority);
SetupMainThread(*this, kernel, main_thread_priority);
}
void Process::PrepareForTermination() {