projects / people / arne_f / kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| ec221208 DH |
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 */ |