#include <asm/ocd.h>
#define finish_arch_switch(prev) \
do { \
- __mtdr(DBGREG_PID, prev->pid); \
- __mtdr(DBGREG_PID, current->pid); \
+ ocd_write(PID, prev->pid); \
+ ocd_write(PID, current->pid); \
} while(0)
#endif
extern void __xchg_called_with_bad_pointer(void);
-#ifdef __CHECKER__
-extern unsigned long __builtin_xchg(void *ptr, unsigned long x);
-#endif
+static inline unsigned long xchg_u32(u32 val, volatile u32 *m)
+{
+ u32 ret;
-#define xchg_u32(val, m) __builtin_xchg((void *)m, val)
+ asm volatile("xchg %[ret], %[m], %[val]"
+ : [ret] "=&r"(ret), "=m"(*m)
+ : "m"(*m), [m] "r"(m), [val] "r"(val)
+ : "memory");
+ return ret;
+}
static inline unsigned long __xchg(unsigned long x,
volatile void *ptr,
(unsigned long)(new), \
sizeof(*(ptr))))
+#include <asm-generic/cmpxchg-local.h>
+
+static inline unsigned long __cmpxchg_local(volatile void *ptr,
+ unsigned long old,
+ unsigned long new, int size)
+{
+ switch (size) {
+ case 4:
+ return __cmpxchg_u32(ptr, old, new);
+ default:
+ return __cmpxchg_local_generic(ptr, old, new, size);
+ }
+
+ return old;
+}
+
+#define cmpxchg_local(ptr, old, new) \
+ ((typeof(*(ptr)))__cmpxchg_local((ptr), (unsigned long)(old), \
+ (unsigned long)(new), \
+ sizeof(*(ptr))))
+
+#define cmpxchg64_local(ptr, o, n) __cmpxchg64_local_generic((ptr), (o), (n))
+
struct pt_regs;
void NORET_TYPE die(const char *str, struct pt_regs *regs, long err);
void _exception(long signr, struct pt_regs *regs, int code,