Changeset 84b14e2 in mainline for uspace/lib/libc/arch


Ignore:
Timestamp:
2009-12-02T23:33:48Z (16 years ago)
Author:
Jakub Jermar <jakub@…>
Branches:
lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export
Children:
4924675
Parents:
089d746 (diff), 8d04f709 (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.
Message:

Merge simplified futexes (ticket #154) and fix for arm32 kernel atomic
operations (ticket #153).

Location:
uspace/lib/libc/arch
Files:
8 edited

Legend:

Unmodified
Added
Removed

  • uspace/lib/libc/arch/amd64/include/atomic.h

    r089d746 r84b14e2  
    3737#ifndef LIBC_amd64_ATOMIC_H_
    3838#define LIBC_amd64_ATOMIC_H_
     39
     40#define LIBC_ARCH_ATOMIC_H_
     41
     42#include <atomicdflt.h>
    3943
    4044static inline void atomic_inc(atomic_t *val) {

  • uspace/lib/libc/arch/arm32/include/atomic.h

    r089d746 r84b14e2  
    3737#define LIBC_arm32_ATOMIC_H_
    3838
     39#include <bool.h>
     40
     41typedef struct atomic {
     42        volatile long count;
     43} atomic_t;
     44
     45static inline void atomic_set(atomic_t *val, long i)
     46{
     47        val->count = i;
     48}
     49
     50static inline long atomic_get(atomic_t *val)
     51{
     52        return val->count;
     53}
     54
     55static inline bool cas(atomic_t *val, long ov, long nv)
     56{
     57        /* FIXME: is not atomic */
     58        if (val->count == ov) {
     59                val->count = nv;
     60                return true;
     61        }
     62        return false;
     63}
     64
    3965/** Atomic addition.
    4066 *
    … …  
    4975        volatile long * mem = &(val->count);
    5076
     77        /* FIXME: is not atomic, is broken */
    5178        asm volatile (
    5279        "1:\n"

  • uspace/lib/libc/arch/ia32/Makefile.inc

    r089d746 r84b14e2  
    3939        arch/$(UARCH)/src/setjmp.S
    4040
     41GCC_CFLAGS += -march=pentium
    4142LFLAGS += -N
    4243

  • uspace/lib/libc/arch/ia32/include/atomic.h

    r089d746 r84b14e2  
    3535#ifndef LIBC_ia32_ATOMIC_H_
    3636#define LIBC_ia32_ATOMIC_H_
     37
     38#define LIBC_ARCH_ATOMIC_H_
     39
     40#include <atomicdflt.h>
    3741
    3842static inline void atomic_inc(atomic_t *val) {

  • uspace/lib/libc/arch/ia64/include/atomic.h

    r089d746 r84b14e2  
    3535#ifndef LIBC_ia64_ATOMIC_H_
    3636#define LIBC_ia64_ATOMIC_H_
     37
     38#define LIBC_ARCH_ATOMIC_H_
     39
     40#include <atomicdflt.h>
    3741
    3842static inline void atomic_inc(atomic_t *val)

  • uspace/lib/libc/arch/mips32/include/atomic.h

    r089d746 r84b14e2  
    3636#ifndef LIBC_mips32_ATOMIC_H_
    3737#define LIBC_mips32_ATOMIC_H_
     38
     39#define LIBC_ARCH_ATOMIC_H_
     40
     41#include <atomicdflt.h>
    3842
    3943#define atomic_inc(x)   ((void) atomic_add(x, 1))

  • uspace/lib/libc/arch/ppc32/include/atomic.h

    r089d746 r84b14e2  
    3535#ifndef LIBC_ppc32_ATOMIC_H_
    3636#define LIBC_ppc32_ATOMIC_H_
     37
     38#define LIBC_ARCH_ATOMIC_H_
     39
     40#include <atomicdflt.h>
    3741
    3842static inline void atomic_inc(atomic_t *val)

  • uspace/lib/libc/arch/sparc64/include/atomic.h

    r089d746 r84b14e2  
    3636#define LIBC_sparc64_ATOMIC_H_
    3737
     38#define LIBC_ARCH_ATOMIC_H_
     39
     40#include <atomicdflt.h>
    3841#include <sys/types.h>
    3942
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