73 lines
1.4 KiB
C
73 lines
1.4 KiB
C
#include <socks/sched.h>
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#include <socks/object.h>
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#include <socks/cpu.h>
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#include <socks/machine/thread.h>
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static struct object_type thread_type = {
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.ob_name = "thread",
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.ob_size = sizeof(struct thread),
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};
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kern_status_t thread_object_type_init(void)
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{
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return object_type_register(&thread_type);
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}
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struct thread *thread_alloc(void)
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{
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struct object *thread_obj = object_create(&thread_type);
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if (!thread_obj) {
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return NULL;
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}
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struct thread *t = object_data(thread_obj);
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memset(t, 0x00, sizeof *t);
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return t;
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}
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kern_status_t thread_init(struct thread *thr, uintptr_t ip)
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{
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thr->tr_prio = PRIO_NORMAL;
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thr->tr_state = THREAD_READY;
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thr->tr_quantum_target = default_quantum();
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thr->tr_kstack = vm_page_alloc(THREAD_KSTACK_ORDER, VM_NORMAL);
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if (!thr->tr_kstack) {
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return KERN_NO_MEMORY;
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}
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thr->tr_sp = (uintptr_t)vm_page_get_vaddr(thr->tr_kstack) + vm_page_order_to_bytes(THREAD_KSTACK_ORDER);
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thr->tr_bp = thr->tr_sp;
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prepare_stack(ip, &thr->tr_sp);
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return KERN_OK;
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}
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void thread_free(struct thread *thr)
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{
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}
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struct thread *current_thread(void)
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{
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struct cpu_data *cpu = get_this_cpu();
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if (!cpu) {
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return NULL;
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}
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struct thread *out = cpu->c_rq.rq_cur;
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put_cpu(cpu);
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return out;
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}
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bool need_resched(void)
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{
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return (current_thread()->tr_flags & THREAD_F_NEED_RESCHED) != 0;
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}
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int thread_priority(struct thread *thr)
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{
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return thr->tr_prio;
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}
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