diff options
Diffstat (limited to 'kc/core/task.c')
| -rw-r--r-- | kc/core/task.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/kc/core/task.c b/kc/core/task.c index e43dbe0..5e55073 100644 --- a/kc/core/task.c +++ b/kc/core/task.c @@ -11,6 +11,9 @@ #include <stdatomic.h> #include <stdbool.h> +static const size_t INTERRUPT_STACK_SIZE = 4096; +static const size_t THREAD_SIZE = 16834; + extern uint64_t *get_tss_rsp0(void); static void lock_scheduler(void); @@ -61,6 +64,13 @@ static void idle_thread_entry(void) } } +static void create_interrupt_stack(size_t size) +{ + char *rsp0 = vm_alloc(size, VM_ALLOC_ANY); + memset(rsp0, 0, size); + *get_tss_rsp0() = (uintptr_t)rsp0 + size; +} + noreturn void task_init(void) { lock_scheduler(); @@ -73,9 +83,7 @@ noreturn void task_init(void) // XXX: unfuck this mess at some point // XXX: make this also not demand-allocated or it's gonna fail - char *kernel_rsp0 = vm_alloc(4096, VM_ALLOC_ANY); - kernel_rsp0[1] = 0; - *get_tss_rsp0() = (uintptr_t)kernel_rsp0 + 4096; + create_interrupt_stack(INTERRUPT_STACK_SIZE); // initalize static threads idle_thread = create_thread(idle_thread_entry); |