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feat: fixed some bugs for running on real hardware

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This commit is contained in:
Rick Rongen
2021-03-05 22:23:39 +01:00
parent e532099ea7
commit 310f3621a2
6 changed files with 43 additions and 15 deletions
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5
kernel/tasks/locking.c
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@@ -8,6 +8,7 @@
#include <libk/syscall.h>
#include <stdbool.h>
#include <libc/kprintf.h>
#include <libc/libc.h>
typedef struct lock_fifo_entry {
uint32_t tid;
@@ -32,6 +33,7 @@ struct spinlock {
semaphore_t *semaphore_create(int32_t start) {
semaphore_t *semaphore = malloc(sizeof(semaphore_t));
memset((uint8_t *) semaphore, 0, sizeof(semaphore_t));
semaphore->value = start;
return semaphore;
}
@@ -43,6 +45,7 @@ void semaphore_wait(semaphore_t *semaphore) {
task_lock_acquire();
lock_fifo_entry_t *lock = malloc(sizeof(lock_fifo_entry_t));
lock->tid = task_get_current_tid();
lock->next = NULL;
if (semaphore->first_wait == NULL) {
semaphore->first_wait = lock;
} else {
@@ -77,6 +80,7 @@ void semaphore_free(semaphore_t *semaphore) {
mutex_t *mutex_create() {
mutex_t *mutex = malloc(sizeof(mutex_t));
memset((uint8_t *) mutex, 0, sizeof(mutex_t));
mutex->value = 1;
return mutex;
}
@@ -88,6 +92,7 @@ void mutex_acquire(mutex_t *mutex) {
task_lock_acquire();
lock_fifo_entry_t *lock = malloc(sizeof(lock_fifo_entry_t));
lock->tid = task_get_current_tid();
lock->next = NULL;
if (mutex->first_wait == NULL) {
mutex->first_wait = lock;
} else {