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_EV56
19 #define implver() IMPLVER_EV5
20 #endif
21 #if defined(CONFIG_ALPHA_EV6)
22 #define implver() IMPLVER_EV6
23 #endif
24 #endif
25
26 enum 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 */
40
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