1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __ALPHA_SPECIAL_INSNS_H
3 #define __ALPHA_SPECIAL_INSNS_H
4 
5 enum 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_EV4
19 #define implver() IMPLVER_EV4
20 #endif
21 #ifdef CONFIG_ALPHA_EV5
22 #define implver() IMPLVER_EV5
23 #endif
24 #if defined(CONFIG_ALPHA_EV6)
25 #define implver() IMPLVER_EV6
26 #endif
27 #endif
28 
29 enum amask_enum {
30 	AMASK_BWX = (1UL << 0),
31 	AMASK_FIX = (1UL << 1),
32 	AMASK_CIX = (1UL << 2),
33 	AMASK_MAX = (1UL << 8),
34 	AMASK_PRECISE_TRAP = (1UL << 9),
35 };
36 
37 #define amask(mask)						\
38 ({ unsigned long __amask, __input = (mask);			\
39    __asm__ ("amask %1,%0" : "=r"(__amask) : "rI"(__input));	\
40    __amask; })
41 
42 #endif /* __ALPHA_SPECIAL_INSNS_H */
43