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d337345c | 1 | /* Check for hardware capabilities after HWCAP parsing. powerpc64le version. |
581c785b | 2 | Copyright (C) 2021-2022 Free Software Foundation, Inc. |
d337345c FW |
3 | This file is part of the GNU C Library. |
4 | ||
5 | The GNU C Library is free software; you can redistribute it and/or | |
6 | modify it under the terms of the GNU Lesser General Public | |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
9 | ||
10 | The GNU C Library is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | Lesser General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU Lesser General Public | |
16 | License along with the GNU C Library; if not, see | |
17 | <https://www.gnu.org/licenses/>. */ | |
18 | ||
19 | #ifndef _DL_HWCAP_CHECK_H | |
20 | #define _DL_HWCAP_CHECK_H | |
21 | ||
22 | #include <ldsodefs.h> | |
23 | ||
24 | static inline void | |
25 | dl_hwcap_check (void) | |
26 | { | |
27 | #ifdef _ARCH_PWR9 | |
28 | if ((GLRO (dl_hwcap2) & PPC_FEATURE2_ARCH_3_00) == 0) | |
29 | _dl_fatal_printf ("\ | |
30 | Fatal glibc error: CPU lacks ISA 3.00 support (POWER9 or later required)\n"); | |
31 | #endif | |
32 | #ifdef __FLOAT128_HARDWARE__ | |
33 | if ((GLRO (dl_hwcap2) & PPC_FEATURE2_HAS_IEEE128) == 0) | |
34 | _dl_fatal_printf ("\ | |
35 | Fatal glibc error: CPU lacks float128 support (POWER 9 or later required)\n"); | |
36 | #endif | |
37 | /* This check is not actually reached when building for POWER10 and | |
38 | running on POWER9 because there are faulting PCREL instructions | |
39 | before this point. */ | |
40 | #if defined _ARCH_PWR10 || defined __PCREL__ | |
41 | if ((GLRO (dl_hwcap2) & PPC_FEATURE2_ARCH_3_1) == 0) | |
42 | _dl_fatal_printf ("\ | |
43 | Fatal glibc error: CPU lacks ISA 3.10 support (POWER10 or later required)\n"); | |
44 | #endif | |
45 | #ifdef __MMA__ | |
46 | if ((GLRO (dl_hwcap2) & PPC_FEATURE2_MMA) == 0) | |
47 | _dl_fatal_printf ("\ | |
48 | Fatal glibc error: CPU lacks MMA support (POWER10 or later required)\n"); | |
49 | #endif | |
50 | } | |
51 | ||
52 | #endif /* _DL_HWCAP_CHECK_H */ |