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kernel add
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#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 */
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