special_insns.h

Go to the documentation of this file.

#ifndef __ALPHA_SPECIAL_INSNS_H
#define __ALPHA_SPECIAL_INSNS_H

enum implver_enum {
    IMPLVER_EV4,
    IMPLVER_EV5,
    IMPLVER_EV6
};

#ifdef CONFIG_ALPHA_GENERIC
#define implver()               \
({ unsigned long __implver;         \
   __asm__ ("implver %0" : "=r"(__implver));    \
   (enum implver_enum) __implver; })
#else
/* Try to eliminate some dead code.  */
#ifdef CONFIG_ALPHA_EV4
#define implver() IMPLVER_EV4
#endif
#ifdef CONFIG_ALPHA_EV5
#define implver() IMPLVER_EV5
#endif
#if defined(CONFIG_ALPHA_EV6)
#define implver() IMPLVER_EV6
#endif
#endif

enum amask_enum {
    AMASK_BWX = (1UL << 0),
    AMASK_FIX = (1UL << 1),
    AMASK_CIX = (1UL << 2),
    AMASK_MAX = (1UL << 8),
    AMASK_PRECISE_TRAP = (1UL << 9),
};

#define amask(mask)                     \
({ unsigned long __amask, __input = (mask);         \
   __asm__ ("amask %1,%0" : "=r"(__amask) : "rI"(__input)); \
   __amask; })

#endif /* __ALPHA_SPECIAL_INSNS_H */