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Diffstat (limited to 'arch/ia64/include/asm/intrinsics.h')
-rw-r--r--arch/ia64/include/asm/intrinsics.h114
1 files changed, 1 insertions, 113 deletions
diff --git a/arch/ia64/include/asm/intrinsics.h b/arch/ia64/include/asm/intrinsics.h
index e4076b51182..d129e367e76 100644
--- a/arch/ia64/include/asm/intrinsics.h
+++ b/arch/ia64/include/asm/intrinsics.h
@@ -18,6 +18,7 @@
#else
# include <asm/gcc_intrin.h>
#endif
+#include <asm/cmpxchg.h>
#define ia64_native_get_psr_i() (ia64_native_getreg(_IA64_REG_PSR) & IA64_PSR_I)
@@ -81,119 +82,6 @@ extern unsigned long __bad_increment_for_ia64_fetch_and_add (void);
#define ia64_fetch_and_add(i,v) (ia64_fetchadd(i, v, rel) + (i)) /* return new value */
-/*
- * This function doesn't exist, so you'll get a linker error if
- * something tries to do an invalid xchg().
- */
-extern void ia64_xchg_called_with_bad_pointer (void);
-
-#define __xchg(x,ptr,size) \
-({ \
- unsigned long __xchg_result; \
- \
- switch (size) { \
- case 1: \
- __xchg_result = ia64_xchg1((__u8 *)ptr, x); \
- break; \
- \
- case 2: \
- __xchg_result = ia64_xchg2((__u16 *)ptr, x); \
- break; \
- \
- case 4: \
- __xchg_result = ia64_xchg4((__u32 *)ptr, x); \
- break; \
- \
- case 8: \
- __xchg_result = ia64_xchg8((__u64 *)ptr, x); \
- break; \
- default: \
- ia64_xchg_called_with_bad_pointer(); \
- } \
- __xchg_result; \
-})
-
-#define xchg(ptr,x) \
- ((__typeof__(*(ptr))) __xchg ((unsigned long) (x), (ptr), sizeof(*(ptr))))
-
-/*
- * Atomic compare and exchange. Compare OLD with MEM, if identical,
- * store NEW in MEM. Return the initial value in MEM. Success is
- * indicated by comparing RETURN with OLD.
- */
-
-#define __HAVE_ARCH_CMPXCHG 1
-
-/*
- * This function doesn't exist, so you'll get a linker error
- * if something tries to do an invalid cmpxchg().
- */
-extern long ia64_cmpxchg_called_with_bad_pointer (void);
-
-#define ia64_cmpxchg(sem,ptr,old,new,size) \
-({ \
- __u64 _o_, _r_; \
- \
- switch (size) { \
- case 1: _o_ = (__u8 ) (long) (old); break; \
- case 2: _o_ = (__u16) (long) (old); break; \
- case 4: _o_ = (__u32) (long) (old); break; \
- case 8: _o_ = (__u64) (long) (old); break; \
- default: break; \
- } \
- switch (size) { \
- case 1: \
- _r_ = ia64_cmpxchg1_##sem((__u8 *) ptr, new, _o_); \
- break; \
- \
- case 2: \
- _r_ = ia64_cmpxchg2_##sem((__u16 *) ptr, new, _o_); \
- break; \
- \
- case 4: \
- _r_ = ia64_cmpxchg4_##sem((__u32 *) ptr, new, _o_); \
- break; \
- \
- case 8: \
- _r_ = ia64_cmpxchg8_##sem((__u64 *) ptr, new, _o_); \
- break; \
- \
- default: \
- _r_ = ia64_cmpxchg_called_with_bad_pointer(); \
- break; \
- } \
- (__typeof__(old)) _r_; \
-})
-
-#define cmpxchg_acq(ptr, o, n) \
- ia64_cmpxchg(acq, (ptr), (o), (n), sizeof(*(ptr)))
-#define cmpxchg_rel(ptr, o, n) \
- ia64_cmpxchg(rel, (ptr), (o), (n), sizeof(*(ptr)))
-
-/* for compatibility with other platforms: */
-#define cmpxchg(ptr, o, n) cmpxchg_acq((ptr), (o), (n))
-#define cmpxchg64(ptr, o, n) cmpxchg_acq((ptr), (o), (n))
-
-#define cmpxchg_local cmpxchg
-#define cmpxchg64_local cmpxchg64
-
-#ifdef CONFIG_IA64_DEBUG_CMPXCHG
-# define CMPXCHG_BUGCHECK_DECL int _cmpxchg_bugcheck_count = 128;
-# define CMPXCHG_BUGCHECK(v) \
- do { \
- if (_cmpxchg_bugcheck_count-- <= 0) { \
- void *ip; \
- extern int printk(const char *fmt, ...); \
- ip = (void *) ia64_getreg(_IA64_REG_IP); \
- printk("CMPXCHG_BUGCHECK: stuck at %p on word %p\n", ip, (v)); \
- break; \
- } \
- } while (0)
-#else /* !CONFIG_IA64_DEBUG_CMPXCHG */
-# define CMPXCHG_BUGCHECK_DECL
-# define CMPXCHG_BUGCHECK(v)
-#endif /* !CONFIG_IA64_DEBUG_CMPXCHG */
-
#endif
#ifdef __KERNEL__