special_insns.h

 1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef __ALPHA_SPECIAL_INSNS_H
 3#define __ALPHA_SPECIAL_INSNS_H
 4
 5enum implver_enum {
 6	IMPLVER_EV4,
 7	IMPLVER_EV5,
 8	IMPLVER_EV6
 9};
10
11#ifdef CONFIG_ALPHA_GENERIC
12#define implver()				\
13({ unsigned long __implver;			\
14   __asm__ ("implver %0" : "=r"(__implver));	\
15   (enum implver_enum) __implver; })
16#else
17/* Try to eliminate some dead code.  */
18#ifdef CONFIG_ALPHA_EV56
19#define implver() IMPLVER_EV5
20#endif
21#if defined(CONFIG_ALPHA_EV6)
22#define implver() IMPLVER_EV6
23#endif
24#endif
25
26enum amask_enum {
27	AMASK_BWX = (1UL << 0),
28	AMASK_FIX = (1UL << 1),
29	AMASK_CIX = (1UL << 2),
30	AMASK_MAX = (1UL << 8),
31	AMASK_PRECISE_TRAP = (1UL << 9),
32};
33
34#define amask(mask)						\
35({ unsigned long __amask, __input = (mask);			\
36   __asm__ ("amask %1,%0" : "=r"(__amask) : "rI"(__input));	\
37   __amask; })
38
39#endif /* __ALPHA_SPECIAL_INSNS_H */