spu_atomic.h

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#ifndef __SPU_ATOMIC_H__
#define __SPU_ATOMIC_H__
 
#include <stdint.h>
#include <spu_mfcio.h>
#include <spu_intrinsics.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
uint32_t spu_atomic_nop32(uint32_t *ls, uint64_t ea);
uint64_t spu_atomic_nop64(uint64_t *ls, uint64_t ea);
uint32_t spu_atomic_incr32(uint32_t *ls, uint64_t ea);
uint64_t spu_atomic_incr64(uint64_t *ls, uint64_t ea);
uint32_t spu_atomic_decr32(uint32_t *ls, uint64_t ea);
uint64_t spu_atomic_decr64(uint64_t *ls, uint64_t ea);
uint32_t spu_atomic_test_and_decr32(uint32_t *ls, uint64_t ea);
uint64_t spu_atomic_test_and_decr64(uint64_t *ls, uint64_t ea);
uint32_t spu_atomic_or32(uint32_t *ls, uint64_t ea, uint32_t value);
uint64_t spu_atomic_or64(uint64_t *ls, uint64_t ea, uint64_t value);
uint32_t spu_atomic_add32(uint32_t *ls, uint64_t ea, uint32_t value);
uint64_t spu_atomic_add64(uint64_t *ls, uint64_t ea, uint64_t value);
uint32_t spu_atomic_and32(uint32_t *ls, uint64_t ea, uint32_t value);
uint64_t spu_atomic_and64(uint64_t *ls, uint64_t ea, uint64_t value);
uint32_t spu_atomic_sub32(uint32_t *ls, uint64_t ea, uint32_t value);
uint64_t spu_atomic_sub64(uint64_t *ls, uint64_t ea, uint64_t value);
uint32_t spu_atomic_store32(uint32_t *ls, uint64_t ea, uint32_t value);
uint64_t spu_atomic_store64(uint64_t *ls, uint64_t ea, uint64_t value);
uint32_t spu_atomic_compare_and_swap32(uint32_t *ls, uint64_t ea, uint32_t compare, uint32_t value);
uint64_t spu_atomic_compare_and_swap64(uint64_t *ls, uint64_t ea, uint64_t compare, uint64_t value);
 
__attribute__ ((__always_inline__))
static inline uint32_t spu_atomic_lock_line32(uint32_t *ls, uint64_t ea)
{
    unsigned int i = ((uint32_t)ea & 0x7f) >> 2;
 
    ea &= ~0x7f;
    mfc_getllar(ls, ea, 0, 0);
    mfc_read_atomic_status();
    spu_dsync();
    return ls[i];
}
 
__attribute__ ((__always_inline__))
static inline uint64_t spu_atomic_lock_line64(uint64_t *ls, uint64_t ea)
{
    unsigned int i = ((uint32_t)ea & 0x7f) >> 3;
 
    ea &= ~0x7f;
    mfc_getllar(ls, ea, 0, 0);
    mfc_read_atomic_status();
    spu_dsync();
    return ls[i];
}
 
__attribute__ ((__always_inline__))
static inline int spu_atomic_store_conditional32(uint32_t *ls, uint64_t ea, uint32_t value)
{
    unsigned int i = ((uint32_t)ea & 0x7f) >> 2;
 
    ls[i] = value;
    ea &= ~0x7f;
    spu_dsync();
    mfc_putllc(ls, ea, 0, 0);
    return mfc_read_atomic_status();
}
 
__attribute__ ((__always_inline__))
static inline int spu_atomic_store_conditional64(uint64_t *ls, uint64_t ea, uint64_t value)
{
    unsigned int i = ((uint32_t)ea & 0x7f) >> 3;
 
    ls[i] = value;
    ea &= ~0x7f;
    spu_dsync();
    mfc_putllc(ls, ea, 0, 0);
    return mfc_read_atomic_status();
}
 
#ifdef __cplusplus
    }
#endif
 
#endif