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Merge pull request #2425 from Subv/cleanup_todos

Implement some TODOs in the code.
This commit is contained in:
bunnei 2017-01-12 10:14:30 -05:00 committed by GitHub
commit 7ddfd3054d
4 changed files with 30 additions and 32 deletions

View File

@ -62,6 +62,8 @@ s32 ResourceLimit::GetCurrentResourceValue(u32 resource) const {
s32 ResourceLimit::GetMaxResourceValue(u32 resource) const {
switch (resource) {
case PRIORITY:
return max_priority;
case COMMIT:
return max_commit;
case THREAD:

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@ -353,14 +353,8 @@ static void ResetThreadContext(ARM_Interface::ThreadContext& context, u32 stack_
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) {
s32 new_priority = MathUtil::Clamp<s32>(priority, THREADPRIO_HIGHEST, THREADPRIO_LOWEST);
LOG_WARNING(Kernel_SVC, "(name=%s): invalid priority=%d, clamping to %d", name.c_str(),
priority, new_priority);
// TODO(bunnei): Clamping to a valid priority is not necessarily correct behavior... Confirm
// validity of this
priority = new_priority;
}
ASSERT_MSG(priority >= THREADPRIO_HIGHEST && priority <= THREADPRIO_LOWEST,
"Invalid thread priority");
if (!Memory::IsValidVirtualAddress(entry_point)) {
LOG_ERROR(Kernel_SVC, "(name=%s): invalid entry %08x", name.c_str(), entry_point);
@ -444,25 +438,9 @@ ResultVal<SharedPtr<Thread>> Thread::Create(std::string name, VAddr entry_point,
return MakeResult<SharedPtr<Thread>>(std::move(thread));
}
// TODO(peachum): Remove this. Range checking should be done, and an appropriate error should be
// returned.
static void ClampPriority(const Thread* thread, s32* priority) {
if (*priority < THREADPRIO_HIGHEST || *priority > THREADPRIO_LOWEST) {
DEBUG_ASSERT_MSG(
false, "Application passed an out of range priority. An error should be returned.");
s32 new_priority = MathUtil::Clamp<s32>(*priority, THREADPRIO_HIGHEST, THREADPRIO_LOWEST);
LOG_WARNING(Kernel_SVC, "(name=%s): invalid priority=%d, clamping to %d",
thread->name.c_str(), *priority, new_priority);
// TODO(bunnei): Clamping to a valid priority is not necessarily correct behavior... Confirm
// validity of this
*priority = new_priority;
}
}
void Thread::SetPriority(s32 priority) {
ClampPriority(this, &priority);
ASSERT_MSG(priority <= THREADPRIO_LOWEST && priority >= THREADPRIO_HIGHEST,
"Invalid priority value.");
// If thread was ready, adjust queues
if (status == THREADSTATUS_READY)
ready_queue.move(this, current_priority, priority);

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@ -531,7 +531,9 @@ static void GetStandardCoefficient(Interface* self) {
LOG_DEBUG(Service_Y2R, "called standard_coefficient=%u ", index);
} else {
cmd_buff[0] = IPC::MakeHeader(0x21, 1, 0);
cmd_buff[1] = -1; // TODO(bunnei): Identify the correct error code for this
cmd_buff[1] = ResultCode(ErrorDescription::InvalidEnumValue, ErrorModule::CAM,
ErrorSummary::InvalidArgument, ErrorLevel::Usage)
.raw;
LOG_ERROR(Service_Y2R, "called standard_coefficient=%u The argument is invalid!", index);
}

View File

@ -532,16 +532,18 @@ static ResultCode CreateThread(Kernel::Handle* out_handle, s32 priority, u32 ent
name = Common::StringFromFormat("unknown-%08x", entry_point);
}
// TODO(bunnei): Implement resource limits to return an error code instead of the below assert.
// The error code should be: Description::NotAuthorized, Module::OS, Summary::WrongArgument,
// Level::Permanent
ASSERT_MSG(priority >= THREADPRIO_USERLAND_MAX, "Unexpected thread priority!");
if (priority > THREADPRIO_LOWEST) {
return ResultCode(ErrorDescription::OutOfRange, ErrorModule::OS,
ErrorSummary::InvalidArgument, ErrorLevel::Usage);
}
using Kernel::ResourceLimit;
Kernel::SharedPtr<ResourceLimit>& resource_limit = Kernel::g_current_process->resource_limit;
if (resource_limit->GetMaxResourceValue(Kernel::ResourceTypes::PRIORITY) > priority) {
return ResultCode(ErrorDescription::NotAuthorized, ErrorModule::OS,
ErrorSummary::WrongArgument, ErrorLevel::Permanent);
}
switch (processor_id) {
case THREADPROCESSORID_ALL:
case THREADPROCESSORID_DEFAULT:
@ -598,10 +600,24 @@ static ResultCode GetThreadPriority(s32* priority, Kernel::Handle handle) {
/// Sets the priority for the specified thread
static ResultCode SetThreadPriority(Kernel::Handle handle, s32 priority) {
if (priority > THREADPRIO_LOWEST) {
return ResultCode(ErrorDescription::OutOfRange, ErrorModule::OS,
ErrorSummary::InvalidArgument, ErrorLevel::Usage);
}
SharedPtr<Kernel::Thread> thread = Kernel::g_handle_table.Get<Kernel::Thread>(handle);
if (thread == nullptr)
return ERR_INVALID_HANDLE;
using Kernel::ResourceLimit;
// Note: The kernel uses the current process's resource limit instead of
// the one from the thread owner's resource limit.
Kernel::SharedPtr<ResourceLimit>& resource_limit = Kernel::g_current_process->resource_limit;
if (resource_limit->GetMaxResourceValue(Kernel::ResourceTypes::PRIORITY) > priority) {
return ResultCode(ErrorDescription::NotAuthorized, ErrorModule::OS,
ErrorSummary::WrongArgument, ErrorLevel::Permanent);
}
thread->SetPriority(priority);
thread->UpdatePriority();