/*
* Thread system initialization.
*/
void
thread_bootstrap(void)
{
struct cpu *bootcpu;
struct thread *bootthread;
cpuarray_init(&allcpus);
/*
* Create the cpu structure for the bootup CPU, the one we're
* currently running on. Assume the hardware number is 0; that
* might be updated later by mainbus-type code. This also
* creates a thread structure for the first thread, the one
* that's already implicitly running when the kernel is
* started from the bootloader.
*/
bootcpu = cpu_create(0);
bootthread = bootcpu->c_curthread;
/*
* Initializing curcpu and curthread is machine-dependent
* because either of curcpu and curthread might be defined in
* terms of the other.
*/
INIT_CURCPU(bootcpu, bootthread);
/*
* Now make sure both t_cpu and c_curthread are set. This
* might be partially redundant with INIT_CURCPU depending on
* how things are defined.
*/
curthread->t_cpu = curcpu;
curcpu->c_curthread = curthread;
/* cpu_create() should have set t_proc. */
KASSERT(curthread->t_proc != NULL);
/* Initialize allwchans */
spinlock_init(&allwchans_lock);
wchanarray_init(&allwchans);
/* Done */
}
void
init_wchan(void) {
spinlock_init(&allwchans_lock);
wchanarray_init(&allwchans);
}
