1 /* Check for hardware capabilities after HWCAP parsing. powerpc64le version. 2 Copyright (C) 2021 Free Software Foundation, Inc. 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 dl_hwcap_check(void)25dl_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 */ 53