uspinlock.h

36f4861c · Silas Boyd-Wickizer · 214c3dcc · 36f4861c
--- a/uspinlock.h
+++ b/uspinlock.h
 #pragma once
-#include "x86.h"
+#include "amd64.h"

 struct uspinlock {
-  volatile uint locked;       // Is the lock held?
+  volatile u32 locked;       // Is the lock held?
 };

 static void inline __attribute__((always_inline))
 acquire(struct uspinlock *lk)
 {
-  while(xchg(&lk->locked, 1) != 0)
+  while(xchg32(&lk->locked, 1) != 0)
    ;
 }

 static void inline __attribute__((always_inline))
 release(struct uspinlock *lk)
 {
-  xchg(&lk->locked, 0);
+  xchg32(&lk->locked, 0);
 }
-