move everything out of trunk

[lttv.git] / trunk / obsolete / ltt-usertrace / ltt / atomic-ppc64.h

diff --git a/trunk/obsolete/ltt-usertrace/ltt/atomic-ppc64.h b/trunk/obsolete/ltt-usertrace/ltt/atomic-ppc64.h
deleted file mode 100644 (file)
index 5de0198..0000000
--- a/trunk/obsolete/ltt-usertrace/ltt/atomic-ppc64.h
+++ /dev/null
@@ -1,205 +0,0 @@
-/*
- * PowerPC64 atomic operations
- *
- * Copyright (C) 2001 Paul Mackerras <paulus@au.ibm.com>, IBM
- * Copyright (C) 2001 Anton Blanchard <anton@au.ibm.com>, IBM
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- */
-
-#ifndef _ASM_PPC64_ATOMIC_H_ 
-#define _ASM_PPC64_ATOMIC_H_
-
-#include <asm/memory.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-typedef struct { volatile int counter; } atomic_t;
-
-#define ATOMIC_INIT(i) { (i) }
-
-#define atomic_read(v)         ((v)->counter)
-#define atomic_set(v,i)                (((v)->counter) = (i))
-
-static __inline__ void atomic_add(int a, atomic_t *v)
-{
-       int t;
-
-       __asm__ __volatile__(
-"1:    lwarx   %0,0,%3         # atomic_add\n\
-       add     %0,%2,%0\n\
-       stwcx.  %0,0,%3\n\
-       bne-    1b"
-       : "=&r" (t), "=m" (v->counter)
-       : "r" (a), "r" (&v->counter), "m" (v->counter)
-       : "cc");
-}
-
-static __inline__ int atomic_add_return(int a, atomic_t *v)
-{
-       int t;
-
-       __asm__ __volatile__(
-       EIEIO_ON_SMP
-"1:    lwarx   %0,0,%2         # atomic_add_return\n\
-       add     %0,%1,%0\n\
-       stwcx.  %0,0,%2\n\
-       bne-    1b"
-       ISYNC_ON_SMP
-       : "=&r" (t)
-       : "r" (a), "r" (&v->counter)
-       : "cc", "memory");
-
-       return t;
-}
-
-#define atomic_add_negative(a, v)      (atomic_add_return((a), (v)) < 0)
-
-static __inline__ void atomic_sub(int a, atomic_t *v)
-{
-       int t;
-
-       __asm__ __volatile__(
-"1:    lwarx   %0,0,%3         # atomic_sub\n\
-       subf    %0,%2,%0\n\
-       stwcx.  %0,0,%3\n\
-       bne-    1b"
-       : "=&r" (t), "=m" (v->counter)
-       : "r" (a), "r" (&v->counter), "m" (v->counter)
-       : "cc");
-}
-
-static __inline__ int atomic_sub_return(int a, atomic_t *v)
-{
-       int t;
-
-       __asm__ __volatile__(
-       EIEIO_ON_SMP
-"1:    lwarx   %0,0,%2         # atomic_sub_return\n\
-       subf    %0,%1,%0\n\
-       stwcx.  %0,0,%2\n\
-       bne-    1b"
-       ISYNC_ON_SMP
-       : "=&r" (t)
-       : "r" (a), "r" (&v->counter)
-       : "cc", "memory");
-
-       return t;
-}
-
-static __inline__ void atomic_inc(atomic_t *v)
-{
-       int t;
-
-       __asm__ __volatile__(
-"1:    lwarx   %0,0,%2         # atomic_inc\n\
-       addic   %0,%0,1\n\
-       stwcx.  %0,0,%2\n\
-       bne-    1b"
-       : "=&r" (t), "=m" (v->counter)
-       : "r" (&v->counter), "m" (v->counter)
-       : "cc");
-}
-
-static __inline__ int atomic_inc_return(atomic_t *v)
-{
-       int t;
-
-       __asm__ __volatile__(
-       EIEIO_ON_SMP
-"1:    lwarx   %0,0,%1         # atomic_inc_return\n\
-       addic   %0,%0,1\n\
-       stwcx.  %0,0,%1\n\
-       bne-    1b"
-       ISYNC_ON_SMP
-       : "=&r" (t)
-       : "r" (&v->counter)
-       : "cc", "memory");
-
-       return t;
-}
-
-/*
- * atomic_inc_and_test - increment and test
- * @v: pointer of type atomic_t
- *
- * Atomically increments @v by 1
- * and returns true if the result is zero, or false for all
- * other cases.
- */
-#define atomic_inc_and_test(v) (atomic_inc_return(v) == 0)
-
-static __inline__ void atomic_dec(atomic_t *v)
-{
-       int t;
-
-       __asm__ __volatile__(
-"1:    lwarx   %0,0,%2         # atomic_dec\n\
-       addic   %0,%0,-1\n\
-       stwcx.  %0,0,%2\n\
-       bne-    1b"
-       : "=&r" (t), "=m" (v->counter)
-       : "r" (&v->counter), "m" (v->counter)
-       : "cc");
-}
-
-static __inline__ int atomic_dec_return(atomic_t *v)
-{
-       int t;
-
-       __asm__ __volatile__(
-       EIEIO_ON_SMP
-"1:    lwarx   %0,0,%1         # atomic_dec_return\n\
-       addic   %0,%0,-1\n\
-       stwcx.  %0,0,%1\n\
-       bne-    1b"
-       ISYNC_ON_SMP
-       : "=&r" (t)
-       : "r" (&v->counter)
-       : "cc", "memory");
-
-       return t;
-}
-
-#define atomic_sub_and_test(a, v)      (atomic_sub_return((a), (v)) == 0)
-#define atomic_dec_and_test(v)         (atomic_dec_return((v)) == 0)
-
-/*
- * Atomically test *v and decrement if it is greater than 0.
- * The function returns the old value of *v minus 1.
- */
-static __inline__ int atomic_dec_if_positive(atomic_t *v)
-{
-       int t;
-
-       __asm__ __volatile__(
-       EIEIO_ON_SMP
-"1:    lwarx   %0,0,%1         # atomic_dec_if_positive\n\
-       addic.  %0,%0,-1\n\
-       blt-    2f\n\
-       stwcx.  %0,0,%1\n\
-       bne-    1b"
-       ISYNC_ON_SMP
-       "\n\
-2:"    : "=&r" (t)
-       : "r" (&v->counter)
-       : "cc", "memory");
-
-       return t;
-}
-
-#define smp_mb__before_atomic_dec()     smp_mb()
-#define smp_mb__after_atomic_dec()      smp_mb()
-#define smp_mb__before_atomic_inc()     smp_mb()
-#define smp_mb__after_atomic_inc()      smp_mb()
-
-#ifdef __cplusplus
-} /* end of extern "C" */
-#endif
-
-#endif /* _ASM_PPC64_ATOMIC_H_ */