Merge pull request #1956 from lioncash/process-thread

kernel/process: Start the main thread using the specified ideal core
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Sebastian Valle 2018-12-30 20:32:41 -05:00 committed by GitHub
commit e5dfbe22ee
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6 changed files with 53 additions and 59 deletions

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@ -20,6 +20,35 @@
#include "core/settings.h"
namespace Kernel {
namespace {
/**
* Sets up the primary application thread
*
* @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) {
// Setup page table so we can write to memory
SetCurrentPageTable(&owner_process.VMManager().page_table);
// Initialize new "main" thread
const VAddr stack_top = owner_process.VMManager().GetTLSIORegionEndAddress();
auto thread_res = Thread::Create(kernel, "main", entry_point, priority, 0,
owner_process.GetIdealCore(), stack_top, owner_process);
SharedPtr<Thread> thread = std::move(thread_res).Unwrap();
// Register 1 must be a handle to the main thread
const Handle guest_handle = owner_process.GetHandleTable().Create(thread).Unwrap();
thread->SetGuestHandle(guest_handle);
thread->GetContext().cpu_registers[1] = guest_handle;
// Threads by default are dormant, wake up the main thread so it runs when the scheduler fires
thread->ResumeFromWait();
}
} // Anonymous namespace
CodeSet::CodeSet() = default;
CodeSet::~CodeSet() = default;
@ -64,7 +93,7 @@ ResultCode Process::ClearSignalState() {
ResultCode Process::LoadFromMetadata(const FileSys::ProgramMetadata& metadata) {
program_id = metadata.GetTitleID();
ideal_processor = metadata.GetMainThreadCore();
ideal_core = metadata.GetMainThreadCore();
is_64bit_process = metadata.Is64BitProgram();
vm_manager.Reset(metadata.GetAddressSpaceType());
@ -86,7 +115,7 @@ void Process::Run(VAddr entry_point, s32 main_thread_priority, u32 stack_size) {
vm_manager.LogLayout();
ChangeStatus(ProcessStatus::Running);
Kernel::SetupMainThread(kernel, entry_point, main_thread_priority, *this);
SetupMainThread(*this, kernel, entry_point, main_thread_priority);
}
void Process::PrepareForTermination() {