patch-2.2.18 linux/include/asm-s390/atomic.h
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- Lines: 197
- Date:
Wed Nov 8 23:09:58 2000
- Orig file:
v2.2.17/include/asm-s390/atomic.h
- Orig date:
Sat Sep 9 18:42:50 2000
diff -u --new-file --recursive --exclude-from /usr/src/exclude v2.2.17/include/asm-s390/atomic.h linux/include/asm-s390/atomic.h
@@ -29,8 +29,8 @@
{
int retval;
__asm__ __volatile__("bcr 15,0\n\t"
- "l %0,%1"
- : "=d" (retval) : "m" (*v) );
+ "l %0,%1"
+ : "=d" (retval) : "m" (*v) );
return retval;
}
@@ -43,98 +43,107 @@
static __inline__ void atomic_add(int i, atomic_t *v)
{
- __asm__ __volatile__(" l 0,%0\n"
+ __asm__ __volatile__(" la 2,%0\n"
+ " l 0,%0\n"
"0: lr 1,0\n"
" ar 1,%1\n"
- " cs 0,1,%0\n"
+ " cs 0,1,0(2)\n"
" jl 0b"
- : "+m" (*v) : "d" (i) : "0", "1", "cc" );
+ : "+m" (*v) : "d" (i) : "0", "1", "2", "cc" );
}
static __inline__ void atomic_sub(int i, atomic_t *v)
{
- __asm__ __volatile__(" l 0,%0\n"
+ __asm__ __volatile__(" la 2,%0\n"
+ " l 0,%0\n"
"0: lr 1,0\n"
" sr 1,%1\n"
- " cs 0,1,%0\n"
+ " cs 0,1,0(2)\n"
" jl 0b"
- : "+m" (*v) : "d" (i) : "0", "1", "cc" );
+ : "+m" (*v) : "d" (i) : "0", "1", "2", "cc" );
}
static __inline__ void atomic_inc(volatile atomic_t *v)
{
- __asm__ __volatile__(" l 0,%0\n"
+ __asm__ __volatile__(" la 2,%0\n"
+ " l 0,%0\n"
"0: lr 1,0\n"
" ahi 1,1\n"
- " cs 0,1,%0\n"
+ " cs 0,1,0(2)\n"
" jl 0b"
- : "+m" (*v) : : "0", "1", "cc" );
+ : "+m" (*v) : : "0", "1", "2", "cc" );
}
static __inline__ int atomic_inc_return(volatile atomic_t *v)
{
int i;
- __asm__ __volatile__(" l 0,%0\n"
+ __asm__ __volatile__(" la 1,%0\n"
+ " l 0,%0\n"
"0: lr %1,0\n"
" ahi %1,1\n"
- " cs 0,%1,%0\n"
+ " cs 0,%1,0(1)\n"
" jl 0b"
- : "+m" (*v), "=&d" (i) : : "0", "cc" );
+ : "+m" (*v), "=&d" (i) : : "0", "1", "cc" );
return i;
}
static __inline__ void atomic_dec(volatile atomic_t *v)
{
- __asm__ __volatile__(" l 0,%0\n"
+ __asm__ __volatile__(" la 2,%0\n"
+ " l 0,%0\n"
"0: lr 1,0\n"
" ahi 1,-1\n"
- " cs 0,1,%0\n"
+ " cs 0,1,0(2)\n"
" jl 0b"
- : "+m" (*v) : : "0", "1", "cc" );
+ : "+m" (*v) : : "0", "1", "2", "cc" );
}
static __inline__ int atomic_dec_return(volatile atomic_t *v)
{
int i;
- __asm__ __volatile__(" l 0,%0\n"
+ __asm__ __volatile__(" la 1,%0\n"
+ " l 0,%0\n"
"0: lr %1,0\n"
" ahi %1,-1\n"
- " cs 0,%1,%0\n"
+ " cs 0,%1,0(1)\n"
" jl 0b"
- : "+m" (*v), "=&d" (i) : : "0", "cc" );
+ : "+m" (*v), "=&d" (i) : : "0", "1", "cc" );
return i;
}
static __inline__ int atomic_dec_and_test(volatile atomic_t *v)
{
int i;
- __asm__ __volatile__(" l 0,%0\n"
+ __asm__ __volatile__(" la 1,%0\n"
+ " l 0,%0\n"
"0: lr %1,0\n"
" ahi %1,-1\n"
- " cs 0,%1,%0\n"
+ " cs 0,%1,0(1)\n"
" jl 0b"
- : "+m" (*v), "=&d" (i) : : "0", "cc");
+ : "+m" (*v), "=&d" (i) : : "0", "1", "cc");
return i == 0;
}
static __inline__ void atomic_clear_mask(unsigned long mask, atomic_t *v)
{
- __asm__ __volatile__(" l 0,%0\n"
+ __asm__ __volatile__(" la 2,%0\n"
+ " l 0,%0\n"
"0: lr 1,0\n"
" nr 1,%1\n"
- " cs 0,1,%0\n"
+ " cs 0,1,0(2)\n"
" jl 0b"
- : "+m" (*v) : "d" (~(mask)) : "0", "1", "cc" );
+ : "+m" (*v) : "d" (~(mask)) : "0", "1", "2", "cc" );
}
static __inline__ void atomic_set_mask(unsigned long mask, atomic_t *v)
{
- __asm__ __volatile__(" l 0,%0\n"
+ __asm__ __volatile__(" la 2,%0\n"
+ " l 0,%0\n"
"0: lr 1,0\n"
" or 1,%1\n"
- " cs 0,1,%0\n"
+ " cs 0,1,0(2)\n"
" jl 0b"
- : "+m" (*v) : "d" (mask) : "0", "1", "cc" );
+ : "+m" (*v) : "d" (mask) : "0", "1", "2", "cc" );
}
/*
@@ -147,13 +156,15 @@
int retval;
__asm__ __volatile__(
- " cs %2,%3,%1\n"
+ " la 1,%1\n"
+ " lr 0,%2\n"
+ " cs 0,%3,0(1)\n"
" ipm %0\n"
" srl %0,28\n"
"0:"
: "=&r" (retval), "+m" (*v)
: "d" (expected_oldval) , "d" (new_val)
- : "cc");
+ : "0", "1", "cc");
return retval;
}
@@ -164,12 +175,13 @@
atomic_compare_and_swap_spin(int expected_oldval,int new_val,atomic_t *v)
{
__asm__ __volatile__(
+ " la 2,%0\n"
"0: lr 1,%1\n"
- " cs 1,%2,%0\n"
+ " cs 1,%2,0(2)\n"
" jl 0b\n"
: "+m" (*v)
: "d" (expected_oldval) , "d" (new_val)
- : "cc", "1");
+ : "cc", "1", "2");
}
/*
@@ -178,12 +190,13 @@
extern __inline__ int atomic_inc_and_test_greater_zero(atomic_t *v)
{
int i;
- __asm__ __volatile__(" l 0,%0\n"
+ __asm__ __volatile__(" la 1,%0\n"
+ " l 0,%0\n"
"0: lr %1,0\n"
" ahi %1,1\n"
- " cs 0,%1,%0\n"
+ " cs 0,%1,0(1)\n"
" jl 0b"
- : "+m" (*v), "=&d" (i) : : "0", "cc" );
+ : "+m" (*v), "=&d" (i) : : "0", "1", "cc" );
return i > 0;
}
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