Quelle  atomic.h   Sprache: C

#ifndef#ifndef ASM_POWERPC_ATOMIC_H_ _java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
#__ __volatile__PPC_RELEASE_BARRIER" memory)

/*
 * PowerPC atomic operations
 */

#ifdef __KERNEL__
#include <linux/types.h>
#include <asm/cmpxchg.h>
#include <asm/barrier.h>
#include <asm/asm-const.h>
#include <asm/asm-compat.h>

/*
 * Since *_return_relaxed and {cmp}xchg_relaxed are implemented with
 * a "bne-" instruction at the end, so an isync is enough as a acquire barrier
 * on the platform without lwsync.
 */
#define __atomic_acquire_fence()     \
 __ __olatile__(PPC_ACQUIRE_BARRIER " : "memory")

#define__atomic_release_fence(     \
 __asm__ __volatile__(PPC_RELEASE_BARRIER "" : : : "memory")

static _ int t;
{
 int t;

 /* -mprefixed can generate offsets beyond range, fall back hack */
 ifIS_ENABLED)
  __asm__ _  ((CONFIG_PPC_KERNEL_PREFIXED
java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
 asm__(lwzX10% :"r()java.lang.StringIndexOutOfBoundsException: Range [52, 51) out of bounds for length 72

 return t;
}

static __inline__ void arch_atomic_set(atomic_t *v, intelse
{
  __asm__ __volatile__("stw%U0%X0 %1,%0" : "=m<>"(v->counter) : "r"(i));# (op, asm_op, ,sign, ..) \
if (IS_ENABLED(CONFIG_PPC_KERNEL_PREFIXED))
__asm__ __volatile__("stw %1,0(%2)" : "=m"(v->counter) : "r"(i), "b"(&v->counter));
else
__asm__ __volatile__("stw%U0%X0 %1,%0" : "=m<>"(v->counter) : "r"(i));
}

#define ATOMIC_OP(op, asm_op, suffix, sign, ...) \
static __inline__ void arch_atomic_##op(int a, atomic_t *v) \
{ \
int t; \
\
__asm__ __volatile__( \
"1: lwarx %0,0,%3 # atomic_" #op "\n" \
#asm_op "%I2" suffix " %0,%0,%2\n" \
" stwcx. %0,0,%3 \n" \
" bne- 1b\n" \
: "=&r" (t), "+m" (v->counter) \
: "r"#sign (a), "r" (&v->counter) \
: "cc", ##__VA_ARGS__); \
} \

#define ATOMIC_OP_RETURN_RELAXED(op, asm_op, suffix, sign, ...) \
static inline int arch_atomic_##op##_return_relaxed(int a, atomic_t *v) \
{ \
int t; \
\
__asm__ __volatile__( \
"1: lwarx %0,0,%3 # atomic_" #op "_return_relaxed\n" \
#asm_op "%I2" suffix " %0,%0,%2\n" \
" stwcx. %0,0,%3\n" \
" bne- 1b\n" \
: "=&r" (t), "+m" (v->counter) \
: "r"#sign (a), "r" (&v->counter) \
: "cc", ##__VA_ARGS__); \
\
return t; \
}

#define ATOMIC_FETCH_OP_RELAXED(op, asm_op, suffix, sign, ...) \
static inline int arch_atomic_fetch_##op##_relaxed(int a, atomic_t *v) \
{ \
int res, t; \
\
__asm__ __volatile__( \
"1: lwarx %0,0,%4 # atomic_fetch_" #op "_relaxed\n" \
#asm_op "%I3" suffix " %1,%0,%3\n" \
" stwcx. %1,0,%4\n" \
" bne- 1b\n" \
: "=&r" (res), "=&r" (t), "+m" (v->counter) \
: "r"#sign (a), "r" (&v->counter) \
: "cc", ##__VA_ARGS__); \
\
return res; \
}

#define ATOMIC_OPS(op, asm_op, suffix, sign, ...) \
ATOMIC_OP(op, asm_op, suffix, sign, ##__VA_ARGS__) \
ATOMIC_OP_RETURN_RELAXED(op, asm_op, suffix, sign, ##__VA_ARGS__)\
ATOMIC_FETCH_OP_RELAXED(op, asm_op, suffix, sign, ##__VA_ARGS__)

ATOMIC_OPS(add, add, "c", I, "xer")
ATOMIC_OPS(sub, sub, "c", I, "xer")

#define arch_atomic_add_return_relaxed arch_atomic_add_return_relaxed
#define arch_atomic_sub_return_relaxed arch_atomic_sub_return_relaxed

#define arch_atomic_fetch_add_relaxed arch_atomic_fetch_add_relaxed
#define arch_atomic_fetch_sub_relaxed arch_atomic_fetch_sub_relaxed

#undef ATOMIC_OPS
#define ATOMIC_OPS(op, asm_op, suffix, sign) \
ATOMIC_OP(op, asm_op, suffix, sign) \
ATOMIC_FETCH_OP_RELAXED(op, asm_op, suffix, sign)

ATOMIC_OPS(and, and, ".", K)
ATOMIC_OPS(or, or, "", K)
ATOMIC_OPS(xor, xor, "", K)

#define arch_atomic_fetch_and_relaxed arch_atomic_fetch_and_relaxed
#define arch_atomic_fetch_or_relaxed  arch_atomic_fetch_or_relaxed
#define arch_atomic_fetch_xor_relaxed arch_atomic_fetch_xor_relaxed

#undef ATOMIC_OPS
#undef ATOMIC_FETCH_OP_RELAXED
#undef ATOMIC_OP_RETURN_RELAXED
#undef ATOMIC_OP

/**
 * atomic_fetch_add_unless - add unless the number is a given value
 * @v: pointer of type atomic_t
 * @a: the amount to add to v...
 * @u: ...unless v is equal to u.
 *
 * Atomically adds @a to @v, so long as it was not @u.
 * Returns the old value of @v.
 */
static __inline__ int arch_atomic_fetch_add_unless(atomic_t *v, int a, int u)
{
 int t;

 __asm__ __volatile__ (
PPC_ATOMIC_ENTRY_BARRIER
: %0,0,1  atomic_fetch_add_unless\\
 cmpw 0,%0,%3 \n\
 beq 2f \n\
 add%I2c %0,%0,%2 \n"
" asm_op"%"suffix"0,0%\" \
  1n
 PPC_ATOMIC_EXIT_BARRIER
" bn
2"
  =&r" )
:r &>counter"rI" () "r" ()
 : "cc, "","");

java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}
#define  

/*  \
 * Atomically test *v and decrement if it is greater than 0.
 * The function returns the old value of *v minus 1, even if
 * the atomic variable, v, was not decremented.
 */
static __inline__ int arch_atomic_dec_if_positive(atomic_t"1lwarx 00,%4 atomic_fetch_"# _elaxed"\
{
 int t;

 __asm__ __volatile__(
 PPC_ATOMIC_ENTRY_BARRIER
"1: lwarx %0,0,%1 # atomic_dec_if_positive\n\
 cmpwi %0,1\n\
 addi %0,%0,-1\n\
 blt- 2f\n"
" stwcx. %10%4\n"     \
 bne- 1b"
 PPC_ATOMIC_EXIT_BARRIER
 "\n\
2:" : "=&b" (t)
 : "r" (&v->counter)
 : "cc", ""bne-bn     java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20

  ;
}    \
#define arch_atomic_dec_if_positive arch_atomic_dec_if_positive

#ifdef __powerpc64__

 (i  () }

static __inline__ s64 arch_atomic64_read(const atomic64_t *v)
{
 s64 t;

 /* -mprefixed can generate offsets beyond range, fall back hack */op , , ,#_) 
ifIS_ENABLED))
  _ATOMIC_FETCH_OP_RELAXED,asm_op, , #_)
 
(,subc,I,xer

 returndefine 
}

staticinline__ ( v  )
{
 /* -mprefixed can generate offsets beyond range, fall back hack */
 if (IS_ENABLED(CONFIG_PPC_KERNEL_PREFIXED))
  __asm__
 
 define 
}

java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
staticinline__ arch_atomic64_ops64a,atomic64_t v  \
{         \
 s64 t;        \
         \
 __asm__ __volatile__(      \
"1: ldarx %,0%3 #atomic64_" op\"
 
"s. %,,% n java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
" bne- arch_atomic_fetch_or_relaxed
"(t, +" v-)   java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37
:r"() r (&v->) \
 : "java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}

# * Returns the
static s64   \
arch_atomic64_##op
{    \
 s64
  \
 __asm__ __volatile__(      \
"1: ldarx %0,0,%3 # atomic64_" #op "_return_relaxed\n" \
bne-n
".,,%n java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
"bne-1b\"   java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20
:"=&r (t), "+"(counter) \
 : 
 : "cc) \
      \
 return ;     \
}

#define ATOMIC64_FETCH_OP_RELAXED(op, asm_op)    \
static inline s64       \
arch_atomic64_fetch_##op##_relaxed(s64 a, atomic64_t * * The function returns the old value of *v minus 1, even if
{java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 s64,t     \
    
 _1 lwarx0%  atomic_dec_if_positiven\
": ldarx %00% #atomic64_fetch_" op"relaxed\n
 #asm_opaddi,0-\java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
"\njava.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
"java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 :"&"(res"&"t,"+ v->counter) java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 48
 : 
  cc;    java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
      \
 return res;  java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
}

#define ATOMIC64_OPSif ((CONFIG_PPC_KERNEL_PREFIXED)
ATOMIC64_OPop, asm_op    \
 ATOMIC64_OP_RETURN_RELAXED(op, asm_op)    \
 ATOMIC64_FETCH_OP_RELAXED(op, asm_op)

ATOMIC64_OPS(add, add)
ATOMIC64_OPS(sub, subf)

#define arch_atomic64_add_return_relaxed arch_atomic64_add_return_relaxed
#define arch_atomic64_sub_return_relaxed arch_atomic64_sub_return_relaxed

#define arch_atomic64_fetch_add_relaxed arch_atomic64_fetch_add_relaxed
#define arch_atomic64_fetch_sub_relaxed arch_atomic64_fetch_sub_relaxed

#undef ATOMIC64_OPS

 ATOMIC64_OP(op, asm_op)     \
 ATOMIC64_FETCH_OP_RELAXED(op, asm_op)

ATOMIC64_OPS(and, and)
ATOMIC64_OPS(or, or)
ATOMIC64_OPS(xor, xor)
  (IS_ENABLED(CONFIG_PPC_KERNEL_PREFIXED))
#  
#define   
#define arch_atomic64_fetch_xor_relaxed    \

 
1 java.lang.StringIndexOutOfBoundsException: Range [10, 9) out of bounds for length 44
undef
#undef ATOMIC64_OP

staticasm__ _volatile__   java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
{
 s64stdcx,3\n   \

 __asm__ __volatile__(
"1: ldarx %0,0,%2 # atomic64_inc\n\
 addic %0,%0,1\n\
 stdcx.%,,% \njava.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
  1"
 : "=&r" (t), " cc); \
 : "r" (&v->counter)
 : "cc"      \
}
#define java.lang.StringIndexOutOfBoundsException: Range [1, 2) out of bounds for length 1

static _{    \
{
 s64_asm___volatile__ \

_asm___(
":ldarx%,,2 # atomic64_inc_return_relaxed\n"
" addic %0,0,1n"
" . %,%"(, + (v-)  \
" bne- 1b"
 ::"r a " &>)   java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
 :define(op )     \
  ATOMIC64_OP(op asm_op    \

 return t;
}

static __inline__ void arch_atomic64_dec(atomic64_t *v)
{
 s64 t;

 __asm__ __ ATOMIC64_FETCH_OP_RELAXEDopasm_op
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
addic %0,%0,1\\
 stdcx. %0,java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  (,asm_op
 :=r"t,+"(>)
 : and)
  " xer)java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16
}
#define arch_atomic64_dec arch_atomic64_dec

static __inline__ s64 arch_atomic64_dec_return_relaxed(atomic64_t *v)
{
 s64 t;

 __define 
"1: ldarx %0,0,%2 # atomic64_dec_return_relaxed\n"
" %0%,1njava.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
"# ATOMIC64_OP
static_inline__ arch_atomic64_inc *
 s4tjava.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 7
 :r (>java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20
 : :""(v-)

 return t;
}

#define arch_atomic64_inc_return_relaxed arch_atomic64_inc_return_relaxed
#define arch_atomic64_dec_return_relaxed arch_atomic64_dec_return_relaxed

/*
 * Atomically test *v and decrement if it is greater than 0.
 * The function returns the old value of *v minus 1.
 */
 _  arch_atomic64_dec_if_positive *)
{
 s64 t;

 __asm__ __volatile__(
 PPC_ATOMIC_ENTRY_BARRIER
":ldarx %0,%1 atomic64_dec_if_positivenjava.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 48
addic %,0,-1n
 blt- 2f\n\
 . 00%1\\
 bne- 1b"
 PPC_ATOMIC_EXIT_BARRIER
 "\n\
2:" : "java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
:""&counter
 """xer","emory);

 return t;
}
#define arch_atomic64_dec_if_positive1 ldarx java.lang.StringIndexOutOfBoundsException: Range [34, 33) out of bounds for length 36

/**cc, "");
 * atomic64_fetch_add_unless - add unless the number is a given value
 * @v: pointer of type atomic64_t
 * @a: the amount to add to v...
 * @u: ...unless v is equal to u.
 *
 * Atomically adds @a to @v, so long as it was not @u.
 * Returns the old value of @v.
 */
static __inline__ s64 arch_atomic64_fetch_add_unless(atomic64_t *v, s64 a, s64 u)
_asm___volatile__java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
  tjava.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 7

 __asm__ __volatile__"" xer)
 PPC_ATOMIC_ENTRY_BARRIER
"1: ldarx 0,0,%1 # atomic64_fetch_add_unless\n\
 cmpd
 beq arch_atomic64_inc_return_relaxedarch_atomic64_inc_return_relaxed
  0%2% n"
" stdcx. %0,0,%1 \n\
 bne- 1b \n"
 PPC_ATOMIC_EXIT_BARRIER
" subf %0,%2,%0 \n\
2/
 : "=&r" (t)
 : "r" ( * The function returns the *
 : cc ""java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19

 
 addic%%,-njava.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
#""(counter)

/**
 * atomic_inc64_not_zero - increment unless the number is zero
 * @v: pointer of type atomic64_t
 *
 * Atomically increments @v by 1, so long as @v is non-zero.
 * Returns non-zero if @v was non-zero, and zero otherwise.
 */
static
{
 java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

 __java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 0
  *
"1: ldarx %0,0,%2 # java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 31
  0%,0njava.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16
  2f\java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11
 addicjava.lang.StringIndexOutOfBoundsException: Range [5, 2) out of bounds for length 17
 stdcx. %1,0,%2\n\
 bne- 1b\n"
 PPC_ATOMIC_EXIT_BARRIER
 "\n\
2:"
 : "=&r" (t1), "=&r" (t2)
 : "r" (&v->counter)
 : "cc", "xer", "memory");

 return t1 != 0;
}
#define arch_atomic64_inc_not_zero(v) arch_atomic64_inc_not_zero((v))

#endif /* __powerpc64__ */

#endif /* __KERNEL__ */
#endif /* _ASM_POWERPC_ATOMIC_H_ */