mutex.h File Reference

#include "sync_utils.h"
#include "sync_irq.h"
#include <spu_mfcio.h>

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Defines
#define	DECL_MUTEX_VARS()
#define	RAW_TEST_AND_SET(_RELOP_, _val)
#define	RAW_SPINLOCK(_RELOP_, _val)
#define	SET_HIT
Typedefs
typedef eaddr_t	mutex_ea_t
Functions
static void	_lock_init (eaddr_t ea)
static void	_spin_lock (eaddr_t ea)

---

Define Documentation

#define DECL_MUTEX_VARS

(

)

Value:

char _tmp[256];                                     \
    char *tmp = (char *) ALIGN(_tmp, 128);              \
    volatile s32 *buf = (volatile s32 *) &tmp[0];       \
    u32 size = 128, tagid = 0;                          \
    u32 offset;                                         \
    addr64 ea64

Referenced by _lock_init(), _mutex_trylock(), _read_lock(), _read_trylock(), _read_unlock(), _spin_lock(), _write_lock(), _write_trylock(), and _write_unlock().

#define RAW_SPINLOCK	(		_RELOP_,
			_val
	)

Value:

ea64.ull = ALIGN128_EA(ea);                                     \
    offset = OFFSET128_EA_U32(ea);                              \
    do {                                                        \
        MFC_DMA(buf, ea64, size, tagid, MFC_GETLLAR_CMD);       \
        spu_readch(MFC_RdAtomicStat);                           \
        SET_HIT;                                                \
        status = 1;                                             \
        if (likely(buf[offset] _RELOP_ 0)) {                    \
            buf[offset] += _val;                                \
            MFC_DMA(buf, ea64, size, tagid, MFC_PUTLLC_CMD);    \
            status = spu_readch(MFC_RdAtomicStat);              \
        }                                                       \
    } while (status != 0);

Referenced by _read_lock(), _spin_lock(), and _write_lock().

#define RAW_TEST_AND_SET	(		_RELOP_,
			_val
	)

Value:

ea64.ull = ALIGN128_EA(ea);                                     \
    offset = OFFSET128_EA_U32(ea);                              \
    do {                                                        \
        MFC_DMA(buf, ea64, size, tagid, MFC_GETLLAR_CMD);       \
        spu_readch(MFC_RdAtomicStat);                           \
        SET_HIT;                                                \
        if (likely(buf[offset] _RELOP_ 0)) {                    \
            buf[offset] += _val;                                \
            MFC_DMA(buf, ea64, size, tagid, MFC_PUTLLC_CMD);    \
            status = spu_readch(MFC_RdAtomicStat);              \
            ret_val = 1;                                        \
        } else {                                                \
            MFC_DMA(buf, ea64, size, tagid, MFC_PUTLLC_CMD);    \
            spu_readch(MFC_RdAtomicStat);                       \
            status = ret_val = 0;                               \
            break;                                              \
        }                                                       \
    } while (status != 0)

Referenced by _mutex_trylock(), _read_trylock(), and _write_trylock().

#define SET_HIT

---

Typedef Documentation

typedef eaddr_t mutex_ea_t

---

Function Documentation

static void _lock_init

(

eaddr_t

ea

)

[inline, static]

References ALIGN128_EA, DECL_MUTEX_VARS, MFC_DMA, and OFFSET128_EA_U32.

Referenced by _mutex_init(), and _rwlock_init().

static void _spin_lock

(

eaddr_t

ea

)

[inline, static]

References DECL_MUTEX_VARS, and RAW_SPINLOCK.

Referenced by _mutex_lock().