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hle: kernel: KThread: Clean up thread priorities.

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This commit is contained in:
bunnei 2021-01-03 01:49:18 -08:00
parent 1e55498110
commit 4dbf3f4880
10 changed files with 46 additions and 85 deletions
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70
src/core/hle/kernel/svc.cpp
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@ -1443,54 +1443,40 @@ static void ExitProcess32(Core::System& system) {
ExitProcess(system);
}
static constexpr bool IsValidCoreId(int32_t core_id) {
return (0 <= core_id && core_id < static_cast<int32_t>(Core::Hardware::NUM_CPU_CORES));
}
/// Creates a new thread
static ResultCode CreateThread(Core::System& system, Handle* out_handle, VAddr entry_point, u64 arg,
VAddr stack_top, u32 priority, s32 processor_id) {
VAddr stack_bottom, u32 priority, s32 core_id) {
LOG_DEBUG(Kernel_SVC,
"called entrypoint=0x{:08X}, arg=0x{:08X}, stacktop=0x{:08X}, "
"threadpriority=0x{:08X}, processorid=0x{:08X} : created handle=0x{:08X}",
entry_point, arg, stack_top, priority, processor_id, *out_handle);
auto* const current_process = system.Kernel().CurrentProcess();
if (processor_id == THREADPROCESSORID_IDEAL) {
// Set the target CPU to the one specified by the process.
processor_id = current_process->GetIdealCore();
ASSERT(processor_id != THREADPROCESSORID_IDEAL);
}
if (processor_id < THREADPROCESSORID_0 || processor_id > THREADPROCESSORID_3) {
LOG_ERROR(Kernel_SVC, "Invalid thread processor ID: {}", processor_id);
return ERR_INVALID_PROCESSOR_ID;
}
const u64 core_mask = current_process->GetCoreMask();
if ((core_mask | (1ULL << processor_id)) != core_mask) {
LOG_ERROR(Kernel_SVC, "Invalid thread core specified ({})", processor_id);
return ERR_INVALID_PROCESSOR_ID;
}
if (priority > Svc::LowestThreadPriority) {
LOG_ERROR(Kernel_SVC,
"Invalid thread priority specified ({}). Must be within the range 0-64",
priority);
return ERR_INVALID_THREAD_PRIORITY;
}
if (((1ULL << priority) & current_process->GetPriorityMask()) == 0) {
LOG_ERROR(Kernel_SVC, "Invalid thread priority specified ({})", priority);
return ERR_INVALID_THREAD_PRIORITY;
}
"called entry_point=0x{:08X}, arg=0x{:08X}, stack_bottom=0x{:08X}, "
"priority=0x{:08X}, core_id=0x{:08X}",
entry_point, arg, stack_bottom, priority, core_id);
// Adjust core id, if it's the default magic.
auto& kernel = system.Kernel();
auto& process = *kernel.CurrentProcess();
if (core_id == Svc::IdealCoreUseProcessValue) {
core_id = process.GetIdealCoreId();
}
// Validate arguments.
R_UNLESS(IsValidCoreId(core_id), Svc::ResultInvalidCoreId);
R_UNLESS(((1ULL << core_id) & process.GetCoreMask()) != 0, Svc::ResultInvalidCoreId);
R_UNLESS(Svc::HighestThreadPriority <= priority && priority <= Svc::LowestThreadPriority,
Svc::ResultInvalidPriority);
R_UNLESS(process.CheckThreadPriority(priority), Svc::ResultInvalidPriority);
ASSERT(kernel.CurrentProcess()->GetResourceLimit()->Reserve(ResourceType::Threads, 1));
CASCADE_RESULT(std::shared_ptr<KThread> thread,
KThread::Create(system, ThreadType::User, "", entry_point, priority, arg,
processor_id, stack_top, current_process));
core_id, stack_bottom, &process));
const auto new_thread_handle = current_process->GetHandleTable().Create(thread);
const auto new_thread_handle = process.GetHandleTable().Create(thread);
if (new_thread_handle.Failed()) {
LOG_ERROR(Kernel_SVC, "Failed to create handle with error=0x{:X}",
new_thread_handle.Code().raw);
@ -1872,10 +1858,10 @@ static ResultCode SetThreadCoreMask(Core::System& system, Handle thread_handle,
const auto* const current_process = system.Kernel().CurrentProcess();
if (core == static_cast<u32>(THREADPROCESSORID_IDEAL)) {
const u8 ideal_cpu_core = current_process->GetIdealCore();
if (core == static_cast<u32>(Svc::IdealCoreUseProcessValue)) {
const u8 ideal_cpu_core = current_process->GetIdealCoreId();
ASSERT(ideal_cpu_core != static_cast<u8>(THREADPROCESSORID_IDEAL));
ASSERT(ideal_cpu_core != static_cast<u8>(Svc::IdealCoreUseProcessValue));
// Set the target CPU to the ideal core specified by the process.
core = ideal_cpu_core;
@ -1903,8 +1889,8 @@ static ResultCode SetThreadCoreMask(Core::System& system, Handle thread_handle,
affinity_mask);
return ERR_INVALID_COMBINATION;
}
} else if (core != static_cast<u32>(THREADPROCESSORID_DONT_CARE) &&
core != static_cast<u32>(THREADPROCESSORID_DONT_UPDATE)) {
} else if (core != static_cast<u32>(Svc::IdealCoreDontCare) &&
core != static_cast<u32>(Svc::IdealCoreNoUpdate)) {
LOG_ERROR(Kernel_SVC, "Invalid processor ID specified (core={}).", core);
return ERR_INVALID_PROCESSOR_ID;
}