struct spinlock;
void acquire(struct spinlock * lock);
void release(struct spinlock * lock);
-void acquire1(struct spinlock * lock, struct proc *);
-void release1(struct spinlock * lock, struct proc *);
// main.c
void load_icode(struct proc *p, uint8_t *binary, unsigned size);
// because cprintf uses them itself.
#define cprintf dont_use_cprintf
-extern int use_console_lock;
+extern int bootstrap;
int
getcallerpc(void *v)
}
void
-acquire1(struct spinlock * lock, struct proc *cp)
+acquire(struct spinlock * lock)
{
if(cpus[cpu()].nlock++ == 0)
cli();
}
void
-release1(struct spinlock * lock, struct proc *cp)
+release(struct spinlock * lock)
{
cpuid(0, 0, 0, 0, 0); // memory barrier
lock->locked = 0;
- if(--cpus[cpu()].nlock == 0)
+ if(--cpus[cpu()].nlock == 0 && !bootstrap)
sti();
}
-void
-acquire(struct spinlock *lock)
-{
- acquire1(lock, curproc[cpu()]);
-}
-
-void
-release(struct spinlock *lock)
-{
- release1(lock, curproc[cpu()]);
-}
-