unsigned long temp;
__asm__ __volatile__(
+ " .set mips2 \n"
"1: ll %0, %1 # atomic_add \n"
" addu %0, %2 \n"
" sc %0, %1 \n"
" beqzl %0, 1b \n"
+ " .set mips0 \n"
: "=&r" (temp), "=m" (v->counter)
: "Ir" (i), "m" (v->counter));
} else if (cpu_has_llsc) {
unsigned long temp;
__asm__ __volatile__(
+ " .set mips2 \n"
"1: ll %0, %1 # atomic_add \n"
" addu %0, %2 \n"
" sc %0, %1 \n"
" beqz %0, 1b \n"
+ " .set mips0 \n"
: "=&r" (temp), "=m" (v->counter)
: "Ir" (i), "m" (v->counter));
} else {
unsigned long temp;
__asm__ __volatile__(
+ " .set mips2 \n"
"1: ll %0, %1 # atomic_sub \n"
" subu %0, %2 \n"
" sc %0, %1 \n"
" beqzl %0, 1b \n"
+ " .set mips0 \n"
: "=&r" (temp), "=m" (v->counter)
: "Ir" (i), "m" (v->counter));
} else if (cpu_has_llsc) {
unsigned long temp;
__asm__ __volatile__(
+ " .set mips2 \n"
"1: ll %0, %1 # atomic_sub \n"
" subu %0, %2 \n"
" sc %0, %1 \n"
" beqz %0, 1b \n"
+ " .set mips0 \n"
: "=&r" (temp), "=m" (v->counter)
: "Ir" (i), "m" (v->counter));
} else {
unsigned long temp;
__asm__ __volatile__(
+ " .set mips2 \n"
"1: ll %1, %2 # atomic_add_return \n"
" addu %0, %1, %3 \n"
" sc %0, %2 \n"
" beqzl %0, 1b \n"
" addu %0, %1, %3 \n"
" sync \n"
+ " .set mips0 \n"
: "=&r" (result), "=&r" (temp), "=m" (v->counter)
: "Ir" (i), "m" (v->counter)
: "memory");
unsigned long temp;
__asm__ __volatile__(
+ " .set mips2 \n"
"1: ll %1, %2 # atomic_add_return \n"
" addu %0, %1, %3 \n"
" sc %0, %2 \n"
" beqz %0, 1b \n"
" addu %0, %1, %3 \n"
" sync \n"
+ " .set mips0 \n"
: "=&r" (result), "=&r" (temp), "=m" (v->counter)
: "Ir" (i), "m" (v->counter)
: "memory");
unsigned long temp;
__asm__ __volatile__(
+ " .set mips2 \n"
"1: ll %1, %2 # atomic_sub_return \n"
" subu %0, %1, %3 \n"
" sc %0, %2 \n"
" beqzl %0, 1b \n"
" subu %0, %1, %3 \n"
" sync \n"
+ " .set mips0 \n"
: "=&r" (result), "=&r" (temp), "=m" (v->counter)
: "Ir" (i), "m" (v->counter)
: "memory");
unsigned long temp;
__asm__ __volatile__(
+ " .set mips2 \n"
"1: ll %1, %2 # atomic_sub_return \n"
" subu %0, %1, %3 \n"
" sc %0, %2 \n"
" beqz %0, 1b \n"
" subu %0, %1, %3 \n"
" sync \n"
+ " .set mips0 \n"
: "=&r" (result), "=&r" (temp), "=m" (v->counter)
: "Ir" (i), "m" (v->counter)
: "memory");
unsigned long temp;
__asm__ __volatile__(
+ " .set mips2 \n"
"1: ll %1, %2 # atomic_sub_if_positive\n"
" subu %0, %1, %3 \n"
" bltz %0, 1f \n"
" beqzl %0, 1b \n"
" sync \n"
"1: \n"
+ " .set mips0 \n"
: "=&r" (result), "=&r" (temp), "=m" (v->counter)
: "Ir" (i), "m" (v->counter)
: "memory");
unsigned long temp;
__asm__ __volatile__(
+ " .set mips2 \n"
"1: ll %1, %2 # atomic_sub_if_positive\n"
" subu %0, %1, %3 \n"
" bltz %0, 1f \n"
" beqz %0, 1b \n"
" sync \n"
"1: \n"
+ " .set mips0 \n"
: "=&r" (result), "=&r" (temp), "=m" (v->counter)
: "Ir" (i), "m" (v->counter)
: "memory");
*/
#define atomic_add_negative(i,v) (atomic_add_return(i, (v)) < 0)
-#ifdef CONFIG_MIPS64
+#ifdef CONFIG_64BIT
typedef struct { volatile __s64 counter; } atomic64_t;
unsigned long temp;
__asm__ __volatile__(
+ " .set mips3 \n"
"1: lld %0, %1 # atomic64_add \n"
" addu %0, %2 \n"
" scd %0, %1 \n"
" beqzl %0, 1b \n"
+ " .set mips0 \n"
: "=&r" (temp), "=m" (v->counter)
: "Ir" (i), "m" (v->counter));
} else if (cpu_has_llsc) {
unsigned long temp;
__asm__ __volatile__(
+ " .set mips3 \n"
"1: lld %0, %1 # atomic64_add \n"
" addu %0, %2 \n"
" scd %0, %1 \n"
" beqz %0, 1b \n"
+ " .set mips0 \n"
: "=&r" (temp), "=m" (v->counter)
: "Ir" (i), "m" (v->counter));
} else {
unsigned long temp;
__asm__ __volatile__(
+ " .set mips3 \n"
"1: lld %0, %1 # atomic64_sub \n"
" subu %0, %2 \n"
" scd %0, %1 \n"
" beqzl %0, 1b \n"
+ " .set mips0 \n"
: "=&r" (temp), "=m" (v->counter)
: "Ir" (i), "m" (v->counter));
} else if (cpu_has_llsc) {
unsigned long temp;
__asm__ __volatile__(
+ " .set mips3 \n"
"1: lld %0, %1 # atomic64_sub \n"
" subu %0, %2 \n"
" scd %0, %1 \n"
" beqz %0, 1b \n"
+ " .set mips0 \n"
: "=&r" (temp), "=m" (v->counter)
: "Ir" (i), "m" (v->counter));
} else {
unsigned long temp;
__asm__ __volatile__(
+ " .set mips3 \n"
"1: lld %1, %2 # atomic64_add_return \n"
" addu %0, %1, %3 \n"
" scd %0, %2 \n"
" beqzl %0, 1b \n"
" addu %0, %1, %3 \n"
" sync \n"
+ " .set mips0 \n"
: "=&r" (result), "=&r" (temp), "=m" (v->counter)
: "Ir" (i), "m" (v->counter)
: "memory");
unsigned long temp;
__asm__ __volatile__(
+ " .set mips3 \n"
"1: lld %1, %2 # atomic64_add_return \n"
" addu %0, %1, %3 \n"
" scd %0, %2 \n"
" beqz %0, 1b \n"
" addu %0, %1, %3 \n"
" sync \n"
+ " .set mips0 \n"
: "=&r" (result), "=&r" (temp), "=m" (v->counter)
: "Ir" (i), "m" (v->counter)
: "memory");
unsigned long temp;
__asm__ __volatile__(
+ " .set mips3 \n"
"1: lld %1, %2 # atomic64_sub_return \n"
" subu %0, %1, %3 \n"
" scd %0, %2 \n"
" beqzl %0, 1b \n"
" subu %0, %1, %3 \n"
" sync \n"
+ " .set mips0 \n"
: "=&r" (result), "=&r" (temp), "=m" (v->counter)
: "Ir" (i), "m" (v->counter)
: "memory");
unsigned long temp;
__asm__ __volatile__(
+ " .set mips3 \n"
"1: lld %1, %2 # atomic64_sub_return \n"
" subu %0, %1, %3 \n"
" scd %0, %2 \n"
" beqz %0, 1b \n"
" subu %0, %1, %3 \n"
" sync \n"
+ " .set mips0 \n"
: "=&r" (result), "=&r" (temp), "=m" (v->counter)
: "Ir" (i), "m" (v->counter)
: "memory");
unsigned long temp;
__asm__ __volatile__(
+ " .set mips3 \n"
"1: lld %1, %2 # atomic64_sub_if_positive\n"
" dsubu %0, %1, %3 \n"
" bltz %0, 1f \n"
" beqzl %0, 1b \n"
" sync \n"
"1: \n"
+ " .set mips0 \n"
: "=&r" (result), "=&r" (temp), "=m" (v->counter)
: "Ir" (i), "m" (v->counter)
: "memory");
unsigned long temp;
__asm__ __volatile__(
+ " .set mips3 \n"
"1: lld %1, %2 # atomic64_sub_if_positive\n"
" dsubu %0, %1, %3 \n"
" bltz %0, 1f \n"
" beqz %0, 1b \n"
" sync \n"
"1: \n"
+ " .set mips0 \n"
: "=&r" (result), "=&r" (temp), "=m" (v->counter)
: "Ir" (i), "m" (v->counter)
: "memory");
*/
#define atomic64_add_negative(i,v) (atomic64_add_return(i, (v)) < 0)
-#endif /* CONFIG_MIPS64 */
+#endif /* CONFIG_64BIT */
/*
* atomic*_return operations are serializing but not the non-*_return