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Diffstat (limited to 'arch/mips/include/asm/atomic.h')
-rw-r--r--arch/mips/include/asm/atomic.h51
1 files changed, 21 insertions, 30 deletions
diff --git a/arch/mips/include/asm/atomic.h b/arch/mips/include/asm/atomic.h
index 08b607969a1..37b2befe651 100644
--- a/arch/mips/include/asm/atomic.h
+++ b/arch/mips/include/asm/atomic.h
@@ -1,5 +1,5 @@
/*
- * Atomic operations that C can't guarantee us. Useful for
+ * Atomic operations that C can't guarantee us. Useful for
* resource counting etc..
*
* But use these as seldom as possible since they are much more slower
@@ -53,7 +53,7 @@ static __inline__ void atomic_add(int i, atomic_t * v)
int temp;
__asm__ __volatile__(
- " .set mips3 \n"
+ " .set arch=r4000 \n"
"1: ll %0, %1 # atomic_add \n"
" addu %0, %2 \n"
" sc %0, %1 \n"
@@ -66,7 +66,7 @@ static __inline__ void atomic_add(int i, atomic_t * v)
do {
__asm__ __volatile__(
- " .set mips3 \n"
+ " .set arch=r4000 \n"
" ll %0, %1 # atomic_add \n"
" addu %0, %2 \n"
" sc %0, %1 \n"
@@ -96,7 +96,7 @@ static __inline__ void atomic_sub(int i, atomic_t * v)
int temp;
__asm__ __volatile__(
- " .set mips3 \n"
+ " .set arch=r4000 \n"
"1: ll %0, %1 # atomic_sub \n"
" subu %0, %2 \n"
" sc %0, %1 \n"
@@ -109,7 +109,7 @@ static __inline__ void atomic_sub(int i, atomic_t * v)
do {
__asm__ __volatile__(
- " .set mips3 \n"
+ " .set arch=r4000 \n"
" ll %0, %1 # atomic_sub \n"
" subu %0, %2 \n"
" sc %0, %1 \n"
@@ -139,7 +139,7 @@ static __inline__ int atomic_add_return(int i, atomic_t * v)
int temp;
__asm__ __volatile__(
- " .set mips3 \n"
+ " .set arch=r4000 \n"
"1: ll %1, %2 # atomic_add_return \n"
" addu %0, %1, %3 \n"
" sc %0, %2 \n"
@@ -153,7 +153,7 @@ static __inline__ int atomic_add_return(int i, atomic_t * v)
do {
__asm__ __volatile__(
- " .set mips3 \n"
+ " .set arch=r4000 \n"
" ll %1, %2 # atomic_add_return \n"
" addu %0, %1, %3 \n"
" sc %0, %2 \n"
@@ -188,7 +188,7 @@ static __inline__ int atomic_sub_return(int i, atomic_t * v)
int temp;
__asm__ __volatile__(
- " .set mips3 \n"
+ " .set arch=r4000 \n"
"1: ll %1, %2 # atomic_sub_return \n"
" subu %0, %1, %3 \n"
" sc %0, %2 \n"
@@ -205,7 +205,7 @@ static __inline__ int atomic_sub_return(int i, atomic_t * v)
do {
__asm__ __volatile__(
- " .set mips3 \n"
+ " .set arch=r4000 \n"
" ll %1, %2 # atomic_sub_return \n"
" subu %0, %1, %3 \n"
" sc %0, %2 \n"
@@ -248,7 +248,7 @@ static __inline__ int atomic_sub_if_positive(int i, atomic_t * v)
int temp;
__asm__ __volatile__(
- " .set mips3 \n"
+ " .set arch=r4000 \n"
"1: ll %1, %2 # atomic_sub_if_positive\n"
" subu %0, %1, %3 \n"
" bltz %0, 1f \n"
@@ -266,7 +266,7 @@ static __inline__ int atomic_sub_if_positive(int i, atomic_t * v)
int temp;
__asm__ __volatile__(
- " .set mips3 \n"
+ " .set arch=r4000 \n"
"1: ll %1, %2 # atomic_sub_if_positive\n"
" subu %0, %1, %3 \n"
" bltz %0, 1f \n"
@@ -420,7 +420,7 @@ static __inline__ void atomic64_add(long i, atomic64_t * v)
long temp;
__asm__ __volatile__(
- " .set mips3 \n"
+ " .set arch=r4000 \n"
"1: lld %0, %1 # atomic64_add \n"
" daddu %0, %2 \n"
" scd %0, %1 \n"
@@ -433,7 +433,7 @@ static __inline__ void atomic64_add(long i, atomic64_t * v)
do {
__asm__ __volatile__(
- " .set mips3 \n"
+ " .set arch=r4000 \n"
" lld %0, %1 # atomic64_add \n"
" daddu %0, %2 \n"
" scd %0, %1 \n"
@@ -463,7 +463,7 @@ static __inline__ void atomic64_sub(long i, atomic64_t * v)
long temp;
__asm__ __volatile__(
- " .set mips3 \n"
+ " .set arch=r4000 \n"
"1: lld %0, %1 # atomic64_sub \n"
" dsubu %0, %2 \n"
" scd %0, %1 \n"
@@ -476,7 +476,7 @@ static __inline__ void atomic64_sub(long i, atomic64_t * v)
do {
__asm__ __volatile__(
- " .set mips3 \n"
+ " .set arch=r4000 \n"
" lld %0, %1 # atomic64_sub \n"
" dsubu %0, %2 \n"
" scd %0, %1 \n"
@@ -506,7 +506,7 @@ static __inline__ long atomic64_add_return(long i, atomic64_t * v)
long temp;
__asm__ __volatile__(
- " .set mips3 \n"
+ " .set arch=r4000 \n"
"1: lld %1, %2 # atomic64_add_return \n"
" daddu %0, %1, %3 \n"
" scd %0, %2 \n"
@@ -520,7 +520,7 @@ static __inline__ long atomic64_add_return(long i, atomic64_t * v)
do {
__asm__ __volatile__(
- " .set mips3 \n"
+ " .set arch=r4000 \n"
" lld %1, %2 # atomic64_add_return \n"
" daddu %0, %1, %3 \n"
" scd %0, %2 \n"
@@ -556,7 +556,7 @@ static __inline__ long atomic64_sub_return(long i, atomic64_t * v)
long temp;
__asm__ __volatile__(
- " .set mips3 \n"
+ " .set arch=r4000 \n"
"1: lld %1, %2 # atomic64_sub_return \n"
" dsubu %0, %1, %3 \n"
" scd %0, %2 \n"
@@ -571,7 +571,7 @@ static __inline__ long atomic64_sub_return(long i, atomic64_t * v)
do {
__asm__ __volatile__(
- " .set mips3 \n"
+ " .set arch=r4000 \n"
" lld %1, %2 # atomic64_sub_return \n"
" dsubu %0, %1, %3 \n"
" scd %0, %2 \n"
@@ -615,7 +615,7 @@ static __inline__ long atomic64_sub_if_positive(long i, atomic64_t * v)
long temp;
__asm__ __volatile__(
- " .set mips3 \n"
+ " .set arch=r4000 \n"
"1: lld %1, %2 # atomic64_sub_if_positive\n"
" dsubu %0, %1, %3 \n"
" bltz %0, 1f \n"
@@ -633,7 +633,7 @@ static __inline__ long atomic64_sub_if_positive(long i, atomic64_t * v)
long temp;
__asm__ __volatile__(
- " .set mips3 \n"
+ " .set arch=r4000 \n"
"1: lld %1, %2 # atomic64_sub_if_positive\n"
" dsubu %0, %1, %3 \n"
" bltz %0, 1f \n"
@@ -761,13 +761,4 @@ static __inline__ int atomic64_add_unless(atomic64_t *v, long a, long u)
#endif /* CONFIG_64BIT */
-/*
- * atomic*_return operations are serializing but not the non-*_return
- * versions.
- */
-#define smp_mb__before_atomic_dec() smp_mb__before_llsc()
-#define smp_mb__after_atomic_dec() smp_llsc_mb()
-#define smp_mb__before_atomic_inc() smp_mb__before_llsc()
-#define smp_mb__after_atomic_inc() smp_llsc_mb()
-
#endif /* _ASM_ATOMIC_H */
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-04 08:08:30 +0000