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| 1 | /* Initialize cpu feature data. s390x version. |
|---|---|
| 2 | Copyright (C) 2023-2024 Free Software Foundation, Inc. |
| 3 | |
| 4 | The GNU C Library is free software; you can redistribute it and/or |
| 5 | modify it under the terms of the GNU Lesser General Public |
| 6 | License as published by the Free Software Foundation; either |
| 7 | version 2.1 of the License, or (at your option) any later version. |
| 8 | |
| 9 | The GNU C Library is distributed in the hope that it will be useful, |
| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 12 | Lesser General Public License for more details. |
| 13 | |
| 14 | You should have received a copy of the GNU Lesser General Public |
| 15 | License along with the GNU C Library; if not, see |
| 16 | <https://www.gnu.org/licenses/>. */ |
| 17 | |
| 18 | #ifndef __CPU_FEATURES_S390X_H |
| 19 | # define __CPU_FEATURES_S390X_H |
| 20 | |
| 21 | #define S390_STFLE_BITS_Z10 34 /* General instructions extension */ |
| 22 | #define S390_STFLE_BITS_Z196 45 /* Distinct operands, pop ... */ |
| 23 | #define S390_STFLE_BITS_ARCH13_MIE3 61 /* Miscellaneous-Instruction-Extensions |
| 24 | Facility 3, e.g. mvcrl. */ |
| 25 | |
| 26 | #define S390_STFLE_MASK_ARCH13_MIE3 (1ULL << (63 - S390_STFLE_BITS_ARCH13_MIE3)) |
| 27 | |
| 28 | |
| 29 | #define S390_IS_ARCH13_MIE3(STFLE_BITS_ARRAY) \ |
| 30 | (((STFLE_BITS_ARRAY)[0] & S390_STFLE_MASK_ARCH13_MIE3) != 0) |
| 31 | |
| 32 | #define S390_IS_Z196(STFLE_BITS_ARRAY) \ |
| 33 | (((STFLE_BITS_ARRAY)[0] & (1ULL << (63 - S390_STFLE_BITS_Z196))) != 0) |
| 34 | |
| 35 | #define S390_IS_Z10(STFLE_BITS_ARRAY) \ |
| 36 | (((STFLE_BITS_ARRAY)[0] & (1ULL << (63 - S390_STFLE_BITS_Z10))) != 0) |
| 37 | |
| 38 | struct cpu_features |
| 39 | { |
| 40 | unsigned long int hwcap; |
| 41 | unsigned long int __reserved_hwcap2; |
| 42 | unsigned long long stfle_bits[3]; |
| 43 | unsigned long long __reserved[11]; |
| 44 | }; |
| 45 | |
| 46 | #endif /* __CPU_FEATURES_S390X_H */ |
| 47 |
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