Merge pull request #2425 from Subv/cleanup_todos
Implement some TODOs in the code.
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7ddfd3054d
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@ -62,6 +62,8 @@ s32 ResourceLimit::GetCurrentResourceValue(u32 resource) const {
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s32 ResourceLimit::GetMaxResourceValue(u32 resource) const {
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switch (resource) {
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case PRIORITY:
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return max_priority;
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case COMMIT:
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return max_commit;
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case THREAD:
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@ -353,14 +353,8 @@ static void ResetThreadContext(ARM_Interface::ThreadContext& context, u32 stack_
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ResultVal<SharedPtr<Thread>> Thread::Create(std::string name, VAddr entry_point, s32 priority,
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u32 arg, s32 processor_id, VAddr stack_top) {
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if (priority < THREADPRIO_HIGHEST || priority > THREADPRIO_LOWEST) {
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s32 new_priority = MathUtil::Clamp<s32>(priority, THREADPRIO_HIGHEST, THREADPRIO_LOWEST);
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LOG_WARNING(Kernel_SVC, "(name=%s): invalid priority=%d, clamping to %d", name.c_str(),
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priority, new_priority);
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// TODO(bunnei): Clamping to a valid priority is not necessarily correct behavior... Confirm
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// validity of this
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priority = new_priority;
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}
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ASSERT_MSG(priority >= THREADPRIO_HIGHEST && priority <= THREADPRIO_LOWEST,
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"Invalid thread priority");
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if (!Memory::IsValidVirtualAddress(entry_point)) {
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LOG_ERROR(Kernel_SVC, "(name=%s): invalid entry %08x", name.c_str(), entry_point);
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@ -444,25 +438,9 @@ ResultVal<SharedPtr<Thread>> Thread::Create(std::string name, VAddr entry_point,
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return MakeResult<SharedPtr<Thread>>(std::move(thread));
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}
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// TODO(peachum): Remove this. Range checking should be done, and an appropriate error should be
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// returned.
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static void ClampPriority(const Thread* thread, s32* priority) {
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if (*priority < THREADPRIO_HIGHEST || *priority > THREADPRIO_LOWEST) {
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DEBUG_ASSERT_MSG(
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false, "Application passed an out of range priority. An error should be returned.");
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s32 new_priority = MathUtil::Clamp<s32>(*priority, THREADPRIO_HIGHEST, THREADPRIO_LOWEST);
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LOG_WARNING(Kernel_SVC, "(name=%s): invalid priority=%d, clamping to %d",
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thread->name.c_str(), *priority, new_priority);
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// TODO(bunnei): Clamping to a valid priority is not necessarily correct behavior... Confirm
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// validity of this
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*priority = new_priority;
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}
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}
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void Thread::SetPriority(s32 priority) {
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ClampPriority(this, &priority);
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ASSERT_MSG(priority <= THREADPRIO_LOWEST && priority >= THREADPRIO_HIGHEST,
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"Invalid priority value.");
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// If thread was ready, adjust queues
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if (status == THREADSTATUS_READY)
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ready_queue.move(this, current_priority, priority);
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@ -531,7 +531,9 @@ static void GetStandardCoefficient(Interface* self) {
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LOG_DEBUG(Service_Y2R, "called standard_coefficient=%u ", index);
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} else {
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cmd_buff[0] = IPC::MakeHeader(0x21, 1, 0);
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cmd_buff[1] = -1; // TODO(bunnei): Identify the correct error code for this
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cmd_buff[1] = ResultCode(ErrorDescription::InvalidEnumValue, ErrorModule::CAM,
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ErrorSummary::InvalidArgument, ErrorLevel::Usage)
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.raw;
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LOG_ERROR(Service_Y2R, "called standard_coefficient=%u The argument is invalid!", index);
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}
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@ -532,16 +532,18 @@ static ResultCode CreateThread(Kernel::Handle* out_handle, s32 priority, u32 ent
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name = Common::StringFromFormat("unknown-%08x", entry_point);
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}
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// TODO(bunnei): Implement resource limits to return an error code instead of the below assert.
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// The error code should be: Description::NotAuthorized, Module::OS, Summary::WrongArgument,
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// Level::Permanent
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ASSERT_MSG(priority >= THREADPRIO_USERLAND_MAX, "Unexpected thread priority!");
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if (priority > THREADPRIO_LOWEST) {
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return ResultCode(ErrorDescription::OutOfRange, ErrorModule::OS,
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ErrorSummary::InvalidArgument, ErrorLevel::Usage);
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}
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using Kernel::ResourceLimit;
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Kernel::SharedPtr<ResourceLimit>& resource_limit = Kernel::g_current_process->resource_limit;
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if (resource_limit->GetMaxResourceValue(Kernel::ResourceTypes::PRIORITY) > priority) {
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return ResultCode(ErrorDescription::NotAuthorized, ErrorModule::OS,
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ErrorSummary::WrongArgument, ErrorLevel::Permanent);
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}
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switch (processor_id) {
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case THREADPROCESSORID_ALL:
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case THREADPROCESSORID_DEFAULT:
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@ -598,10 +600,24 @@ static ResultCode GetThreadPriority(s32* priority, Kernel::Handle handle) {
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/// Sets the priority for the specified thread
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static ResultCode SetThreadPriority(Kernel::Handle handle, s32 priority) {
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if (priority > THREADPRIO_LOWEST) {
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return ResultCode(ErrorDescription::OutOfRange, ErrorModule::OS,
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ErrorSummary::InvalidArgument, ErrorLevel::Usage);
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}
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SharedPtr<Kernel::Thread> thread = Kernel::g_handle_table.Get<Kernel::Thread>(handle);
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if (thread == nullptr)
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return ERR_INVALID_HANDLE;
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using Kernel::ResourceLimit;
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// Note: The kernel uses the current process's resource limit instead of
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// the one from the thread owner's resource limit.
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Kernel::SharedPtr<ResourceLimit>& resource_limit = Kernel::g_current_process->resource_limit;
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if (resource_limit->GetMaxResourceValue(Kernel::ResourceTypes::PRIORITY) > priority) {
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return ResultCode(ErrorDescription::NotAuthorized, ErrorModule::OS,
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ErrorSummary::WrongArgument, ErrorLevel::Permanent);
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}
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thread->SetPriority(priority);
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thread->UpdatePriority();
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