s390/atomic: move remaining inline assemblies to atomic_ops.h

Move all remaining inline assemblies from atomic.h to
atomic_ops.h. That way all atomic inline assemblies are
contained within only a single header file.

Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
This commit is contained in:
Heiko Carstens 2021-03-22 14:02:55 +01:00
parent 6000b5f403
commit c8a91c285d
2 changed files with 38 additions and 18 deletions

View File

@ -17,19 +17,12 @@
static inline int atomic_read(const atomic_t *v)
{
int c;
asm volatile(
" l %0,%1\n"
: "=d" (c) : "Q" (v->counter));
return c;
return __atomic_read(v);
}
static inline void atomic_set(atomic_t *v, int i)
{
asm volatile(
" st %1,%0\n"
: "=Q" (v->counter) : "d" (i));
__atomic_set(v, i);
}
static inline int atomic_add_return(int i, atomic_t *v)
@ -78,19 +71,12 @@ static inline int atomic_cmpxchg(atomic_t *v, int old, int new)
static inline s64 atomic64_read(const atomic64_t *v)
{
s64 c;
asm volatile(
" lg %0,%1\n"
: "=d" (c) : "Q" (v->counter));
return c;
return __atomic64_read(v);
}
static inline void atomic64_set(atomic64_t *v, s64 i)
{
asm volatile(
" stg %1,%0\n"
: "=Q" (v->counter) : "d" (i));
__atomic64_set(v, i);
}
static inline s64 atomic64_add_return(s64 i, atomic64_t *v)

View File

@ -8,6 +8,40 @@
#ifndef __ARCH_S390_ATOMIC_OPS__
#define __ARCH_S390_ATOMIC_OPS__
static inline int __atomic_read(const atomic_t *v)
{
int c;
asm volatile(
" l %0,%1\n"
: "=d" (c) : "Q" (v->counter));
return c;
}
static inline void __atomic_set(atomic_t *v, int i)
{
asm volatile(
" st %1,%0\n"
: "=Q" (v->counter) : "d" (i));
}
static inline s64 __atomic64_read(const atomic64_t *v)
{
s64 c;
asm volatile(
" lg %0,%1\n"
: "=d" (c) : "Q" (v->counter));
return c;
}
static inline void __atomic64_set(atomic64_t *v, s64 i)
{
asm volatile(
" stg %1,%0\n"
: "=Q" (v->counter) : "d" (i));
}
#ifdef CONFIG_HAVE_MARCH_Z196_FEATURES
#define __ATOMIC_OP(op_name, op_type, op_string, op_barrier) \