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Diffstat (limited to 'arch/arm/include/asm/atomic.h')
-rw-r--r--arch/arm/include/asm/atomic.h132
1 files changed, 66 insertions, 66 deletions
diff --git a/arch/arm/include/asm/atomic.h b/arch/arm/include/asm/atomic.h
index a0162fa94564..7e79503ab89b 100644
--- a/arch/arm/include/asm/atomic.h
+++ b/arch/arm/include/asm/atomic.h
@@ -40,12 +40,12 @@ static inline void atomic_add(int i, atomic_t *v)
int result;
__asm__ __volatile__("@ atomic_add\n"
-"1: ldrex %0, [%2]\n"
-" add %0, %0, %3\n"
-" strex %1, %0, [%2]\n"
+"1: ldrex %0, [%3]\n"
+" add %0, %0, %4\n"
+" strex %1, %0, [%3]\n"
" teq %1, #0\n"
" bne 1b"
- : "=&r" (result), "=&r" (tmp)
+ : "=&r" (result), "=&r" (tmp), "+Qo" (v->counter)
: "r" (&v->counter), "Ir" (i)
: "cc");
}
@@ -58,12 +58,12 @@ static inline int atomic_add_return(int i, atomic_t *v)
smp_mb();
__asm__ __volatile__("@ atomic_add_return\n"
-"1: ldrex %0, [%2]\n"
-" add %0, %0, %3\n"
-" strex %1, %0, [%2]\n"
+"1: ldrex %0, [%3]\n"
+" add %0, %0, %4\n"
+" strex %1, %0, [%3]\n"
" teq %1, #0\n"
" bne 1b"
- : "=&r" (result), "=&r" (tmp)
+ : "=&r" (result), "=&r" (tmp), "+Qo" (v->counter)
: "r" (&v->counter), "Ir" (i)
: "cc");
@@ -78,12 +78,12 @@ static inline void atomic_sub(int i, atomic_t *v)
int result;
__asm__ __volatile__("@ atomic_sub\n"
-"1: ldrex %0, [%2]\n"
-" sub %0, %0, %3\n"
-" strex %1, %0, [%2]\n"
+"1: ldrex %0, [%3]\n"
+" sub %0, %0, %4\n"
+" strex %1, %0, [%3]\n"
" teq %1, #0\n"
" bne 1b"
- : "=&r" (result), "=&r" (tmp)
+ : "=&r" (result), "=&r" (tmp), "+Qo" (v->counter)
: "r" (&v->counter), "Ir" (i)
: "cc");
}
@@ -96,12 +96,12 @@ static inline int atomic_sub_return(int i, atomic_t *v)
smp_mb();
__asm__ __volatile__("@ atomic_sub_return\n"
-"1: ldrex %0, [%2]\n"
-" sub %0, %0, %3\n"
-" strex %1, %0, [%2]\n"
+"1: ldrex %0, [%3]\n"
+" sub %0, %0, %4\n"
+" strex %1, %0, [%3]\n"
" teq %1, #0\n"
" bne 1b"
- : "=&r" (result), "=&r" (tmp)
+ : "=&r" (result), "=&r" (tmp), "+Qo" (v->counter)
: "r" (&v->counter), "Ir" (i)
: "cc");
@@ -118,11 +118,11 @@ static inline int atomic_cmpxchg(atomic_t *ptr, int old, int new)
do {
__asm__ __volatile__("@ atomic_cmpxchg\n"
- "ldrex %1, [%2]\n"
+ "ldrex %1, [%3]\n"
"mov %0, #0\n"
- "teq %1, %3\n"
- "strexeq %0, %4, [%2]\n"
- : "=&r" (res), "=&r" (oldval)
+ "teq %1, %4\n"
+ "strexeq %0, %5, [%3]\n"
+ : "=&r" (res), "=&r" (oldval), "+Qo" (ptr->counter)
: "r" (&ptr->counter), "Ir" (old), "r" (new)
: "cc");
} while (res);
@@ -137,12 +137,12 @@ static inline void atomic_clear_mask(unsigned long mask, unsigned long *addr)
unsigned long tmp, tmp2;
__asm__ __volatile__("@ atomic_clear_mask\n"
-"1: ldrex %0, [%2]\n"
-" bic %0, %0, %3\n"
-" strex %1, %0, [%2]\n"
+"1: ldrex %0, [%3]\n"
+" bic %0, %0, %4\n"
+" strex %1, %0, [%3]\n"
" teq %1, #0\n"
" bne 1b"
- : "=&r" (tmp), "=&r" (tmp2)
+ : "=&r" (tmp), "=&r" (tmp2), "+Qo" (*addr)
: "r" (addr), "Ir" (mask)
: "cc");
}
@@ -249,7 +249,7 @@ static inline u64 atomic64_read(atomic64_t *v)
__asm__ __volatile__("@ atomic64_read\n"
" ldrexd %0, %H0, [%1]"
: "=&r" (result)
- : "r" (&v->counter)
+ : "r" (&v->counter), "Qo" (v->counter)
);
return result;
@@ -260,11 +260,11 @@ static inline void atomic64_set(atomic64_t *v, u64 i)
u64 tmp;
__asm__ __volatile__("@ atomic64_set\n"
-"1: ldrexd %0, %H0, [%1]\n"
-" strexd %0, %2, %H2, [%1]\n"
+"1: ldrexd %0, %H0, [%2]\n"
+" strexd %0, %3, %H3, [%2]\n"
" teq %0, #0\n"
" bne 1b"
- : "=&r" (tmp)
+ : "=&r" (tmp), "=Qo" (v->counter)
: "r" (&v->counter), "r" (i)
: "cc");
}
@@ -275,13 +275,13 @@ static inline void atomic64_add(u64 i, atomic64_t *v)
unsigned long tmp;
__asm__ __volatile__("@ atomic64_add\n"
-"1: ldrexd %0, %H0, [%2]\n"
-" adds %0, %0, %3\n"
-" adc %H0, %H0, %H3\n"
-" strexd %1, %0, %H0, [%2]\n"
+"1: ldrexd %0, %H0, [%3]\n"
+" adds %0, %0, %4\n"
+" adc %H0, %H0, %H4\n"
+" strexd %1, %0, %H0, [%3]\n"
" teq %1, #0\n"
" bne 1b"
- : "=&r" (result), "=&r" (tmp)
+ : "=&r" (result), "=&r" (tmp), "+Qo" (v->counter)
: "r" (&v->counter), "r" (i)
: "cc");
}
@@ -294,13 +294,13 @@ static inline u64 atomic64_add_return(u64 i, atomic64_t *v)
smp_mb();
__asm__ __volatile__("@ atomic64_add_return\n"
-"1: ldrexd %0, %H0, [%2]\n"
-" adds %0, %0, %3\n"
-" adc %H0, %H0, %H3\n"
-" strexd %1, %0, %H0, [%2]\n"
+"1: ldrexd %0, %H0, [%3]\n"
+" adds %0, %0, %4\n"
+" adc %H0, %H0, %H4\n"
+" strexd %1, %0, %H0, [%3]\n"
" teq %1, #0\n"
" bne 1b"
- : "=&r" (result), "=&r" (tmp)
+ : "=&r" (result), "=&r" (tmp), "+Qo" (v->counter)
: "r" (&v->counter), "r" (i)
: "cc");
@@ -315,13 +315,13 @@ static inline void atomic64_sub(u64 i, atomic64_t *v)
unsigned long tmp;
__asm__ __volatile__("@ atomic64_sub\n"
-"1: ldrexd %0, %H0, [%2]\n"
-" subs %0, %0, %3\n"
-" sbc %H0, %H0, %H3\n"
-" strexd %1, %0, %H0, [%2]\n"
+"1: ldrexd %0, %H0, [%3]\n"
+" subs %0, %0, %4\n"
+" sbc %H0, %H0, %H4\n"
+" strexd %1, %0, %H0, [%3]\n"
" teq %1, #0\n"
" bne 1b"
- : "=&r" (result), "=&r" (tmp)
+ : "=&r" (result), "=&r" (tmp), "+Qo" (v->counter)
: "r" (&v->counter), "r" (i)
: "cc");
}
@@ -334,13 +334,13 @@ static inline u64 atomic64_sub_return(u64 i, atomic64_t *v)
smp_mb();
__asm__ __volatile__("@ atomic64_sub_return\n"
-"1: ldrexd %0, %H0, [%2]\n"
-" subs %0, %0, %3\n"
-" sbc %H0, %H0, %H3\n"
-" strexd %1, %0, %H0, [%2]\n"
+"1: ldrexd %0, %H0, [%3]\n"
+" subs %0, %0, %4\n"
+" sbc %H0, %H0, %H4\n"
+" strexd %1, %0, %H0, [%3]\n"
" teq %1, #0\n"
" bne 1b"
- : "=&r" (result), "=&r" (tmp)
+ : "=&r" (result), "=&r" (tmp), "+Qo" (v->counter)
: "r" (&v->counter), "r" (i)
: "cc");
@@ -358,12 +358,12 @@ static inline u64 atomic64_cmpxchg(atomic64_t *ptr, u64 old, u64 new)
do {
__asm__ __volatile__("@ atomic64_cmpxchg\n"
- "ldrexd %1, %H1, [%2]\n"
+ "ldrexd %1, %H1, [%3]\n"
"mov %0, #0\n"
- "teq %1, %3\n"
- "teqeq %H1, %H3\n"
- "strexdeq %0, %4, %H4, [%2]"
- : "=&r" (res), "=&r" (oldval)
+ "teq %1, %4\n"
+ "teqeq %H1, %H4\n"
+ "strexdeq %0, %5, %H5, [%3]"
+ : "=&r" (res), "=&r" (oldval), "+Qo" (ptr->counter)
: "r" (&ptr->counter), "r" (old), "r" (new)
: "cc");
} while (res);
@@ -381,11 +381,11 @@ static inline u64 atomic64_xchg(atomic64_t *ptr, u64 new)
smp_mb();
__asm__ __volatile__("@ atomic64_xchg\n"
-"1: ldrexd %0, %H0, [%2]\n"
-" strexd %1, %3, %H3, [%2]\n"
+"1: ldrexd %0, %H0, [%3]\n"
+" strexd %1, %4, %H4, [%3]\n"
" teq %1, #0\n"
" bne 1b"
- : "=&r" (result), "=&r" (tmp)
+ : "=&r" (result), "=&r" (tmp), "+Qo" (ptr->counter)
: "r" (&ptr->counter), "r" (new)
: "cc");
@@ -402,16 +402,16 @@ static inline u64 atomic64_dec_if_positive(atomic64_t *v)
smp_mb();
__asm__ __volatile__("@ atomic64_dec_if_positive\n"
-"1: ldrexd %0, %H0, [%2]\n"
+"1: ldrexd %0, %H0, [%3]\n"
" subs %0, %0, #1\n"
" sbc %H0, %H0, #0\n"
" teq %H0, #0\n"
" bmi 2f\n"
-" strexd %1, %0, %H0, [%2]\n"
+" strexd %1, %0, %H0, [%3]\n"
" teq %1, #0\n"
" bne 1b\n"
"2:"
- : "=&r" (result), "=&r" (tmp)
+ : "=&r" (result), "=&r" (tmp), "+Qo" (v->counter)
: "r" (&v->counter)
: "cc");
@@ -429,18 +429,18 @@ static inline int atomic64_add_unless(atomic64_t *v, u64 a, u64 u)
smp_mb();
__asm__ __volatile__("@ atomic64_add_unless\n"
-"1: ldrexd %0, %H0, [%3]\n"
-" teq %0, %4\n"
-" teqeq %H0, %H4\n"
+"1: ldrexd %0, %H0, [%4]\n"
+" teq %0, %5\n"
+" teqeq %H0, %H5\n"
" moveq %1, #0\n"
" beq 2f\n"
-" adds %0, %0, %5\n"
-" adc %H0, %H0, %H5\n"
-" strexd %2, %0, %H0, [%3]\n"
+" adds %0, %0, %6\n"
+" adc %H0, %H0, %H6\n"
+" strexd %2, %0, %H0, [%4]\n"
" teq %2, #0\n"
" bne 1b\n"
"2:"
- : "=&r" (val), "=&r" (ret), "=&r" (tmp)
+ : "=&r" (val), "+r" (ret), "=&r" (tmp), "+Qo" (v->counter)
: "r" (&v->counter), "r" (u), "r" (a)
: "cc");
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