Shipwright/soh/src/libultra/os/createthread.c

35 lines
1.0 KiB
C

#include "global.h"
OSThread* __osThreadTail[2] = { NULL, (OSThread*)-1 };
OSThread* __osRunQueue = (OSThread*)__osThreadTail;
OSThread* __osActiveQueue = (OSThread*)__osThreadTail;
OSThread* __osRunningThread = NULL;
OSThread* __osFaultedThread = NULL;
void osCreateThread(OSThread* thread, OSId id, void (*entry)(void*), void* arg, void* sp, OSPri pri) {
register u32 prevInt;
OSIntMask mask;
thread->id = id;
thread->priority = pri;
thread->next = NULL;
thread->queue = NULL;
thread->context.pc = (u32)entry;
thread->context.a0 = arg;
thread->context.sp = (u64)(s32)sp - 16;
thread->context.ra = __osCleanupThread;
mask = OS_IM_ALL;
thread->context.sr = (mask & OS_IM_CPU) | 2;
thread->context.rcp = (mask & RCP_IMASK) >> 16;
thread->context.fpcsr = FPCSR_FS | FPCSR_EV;
thread->fp = 0;
thread->state = OS_STATE_STOPPED;
thread->flags = 0;
prevInt = __osDisableInt();
thread->tlnext = __osActiveQueue;
__osActiveQueue = thread;
__osRestoreInt(prevInt);
}