Support kernel semaphore.

2024-05-29 11:06:03 +08:00
parent bd7966c5a3
commit 5a2c07e1a9
17 changed files with 394 additions and 16 deletions
@@ -109,4 +109,24 @@ int mmap(uintptr_t vaddr, uintptr_t paddr, int len, bool is_dev)
 int register_irq(int irq, int opcode)
 {
    return syscall(SYSCALL_REGISTER_IRQ, (intptr_t)irq, (intptr_t)opcode, 0, 0);
+}
+
+int semaphore_new(int val)
+{
+    return syscall(SYSCALL_SEMAPHORE, (intptr_t)SYS_SEM_NEW, (intptr_t)val, 0, 0);
+}
+
+bool semaphore_free(int sem_id)
+{
+    return syscall(SYSCALL_SEMAPHORE, (intptr_t)SYS_SEM_FREE, (intptr_t)sem_id, 0, 0);
+}
+
+bool semaphore_wait(int sem_id)
+{
+    return syscall(SYSCALL_SEMAPHORE, (intptr_t)SYS_SEM_WAIT, (intptr_t)sem_id, 0, 0);
+}
+
+bool semaphore_signal(int sem_id)
+{
+    return syscall(SYSCALL_SEMAPHORE, (intptr_t)SYS_SEM_SIGNAL, (intptr_t)sem_id, 0, 0);
 }