diff options
Diffstat (limited to 'kc/core/task.c')
| -rw-r--r-- | kc/core/task.c | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/kc/core/task.c b/kc/core/task.c index df0c03e..0bdeaac 100644 --- a/kc/core/task.c +++ b/kc/core/task.c @@ -15,6 +15,7 @@ static const size_t INTERRUPT_STACK_SIZE = 4096; static const size_t THREAD_SIZE = 16834; +static const enum vm_alloc_flags ALLOC_FLAGS = VM_ALLOC_ANY|VM_ALLOC_ANONYMOUS; extern uint64_t *get_tss_rsp0(void); @@ -62,13 +63,25 @@ static void idle_thread_entry(void) while (true) { - __asm__ volatile ("hlt;"); + __asm__ ("hlt;"); + } +} + +static void sleepy_thread_entry(void) +{ + int thread_slept_count = 0; + + while (true) + { + sleep_thread(1000000000); + thread_slept_count++; + kprintf("thread slept for approximately %d seconds (just 1 more second please)\n", thread_slept_count); } } static void create_interrupt_stack(size_t size) { - char *rsp0 = vm_alloc(size, VM_ALLOC_ANY); + char *rsp0 = vm_alloc(size, ALLOC_FLAGS); memset(rsp0, 0, size); *get_tss_rsp0() = (uintptr_t)rsp0 + size; } @@ -89,8 +102,10 @@ noreturn void task_init(void) // initalize static threads idle_thread = create_thread(idle_thread_entry); + struct kc_thread *sleepy_thread = create_thread(sleepy_thread_entry); current_thread = idle_thread; + ready_thread_push_back(sleepy_thread); idle_thread->status = RUNNING; cpu_set_thread(&idle_thread->state, NULL, get_tss_rsp0()); @@ -179,7 +194,7 @@ void update_time(void) static struct kc_thread *create_thread(void (*thread_f)(void)) { - char *task_bottom = vm_alloc(16384, VM_ALLOC_ANY); + char *task_bottom = vm_alloc(16384, ALLOC_FLAGS); struct kc_thread *thread = (struct kc_thread *)(task_bottom + 16384 - sizeof(*thread)); |