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[Kernel] Implement SetThreadPriority

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wheremyfoodat 2022-10-16 01:21:33 +03:00
parent bb9a50ab31
commit 1147824709
3 changed files with 29 additions and 0 deletions
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1
include/kernel/kernel.hpp
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@ -98,6 +98,7 @@ class Kernel {
void getThreadPriority();
void releaseMutex();
void sendSyncRequest();
void setThreadPriority();
void signalEvent();
void svcCloseHandle();
void svcSleepThread();

1
src/core/kernel/kernel.cpp
View file

@ -25,6 +25,7 @@ void Kernel::serviceSVC(u32 svc) {
case 0x08: createThread(); break;
case 0x0A: svcSleepThread(); break;
case 0x0B: getThreadPriority(); break;
case 0x0C: setThreadPriority(); break;
case 0x13: createMutex(); break;
case 0x14: releaseMutex(); break;
case 0x17: createEvent(); break;

27
src/core/kernel/threads.cpp
View file

@ -231,6 +231,33 @@ void Kernel::getThreadPriority() {
}
}
void Kernel::setThreadPriority() {
const Handle handle = regs[0];
const u32 priority = regs[1];
log("SetThreadPriority (handle = %X, priority = %X)\n", handle, priority);
if (priority > 0x3F) {
regs[0] = SVCResult::BadThreadPriority;
return;
}
if (handle == KernelHandles::CurrentThread) {
regs[0] = SVCResult::Success;
threads[currentThreadIndex].priority = priority;
} else {
auto object = getObject(handle, KernelObjectType::Thread);
if (object == nullptr) [[unlikely]] {
regs[0] = SVCResult::BadHandle;
return;
} else {
regs[0] = SVCResult::Success;
object->getData<Thread>()->priority = priority;
}
}
rescheduleThreads();
}
void Kernel::createMutex() {
bool locked = regs[1] != 0;
Helpers::panic("CreateMutex (initially locked: %s)\n", locked ? "yes" : "no");