1 /* Check for hardware capabilities after HWCAP parsing. powerpc64le version. 2 Copyright (C) 2021-2022 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 <gcc-macros.h> 23 #include <ldsodefs.h> 24 25 static inline void dl_hwcap_check(void)26dl_hwcap_check (void) 27 { 28 #ifdef GCCMACRO_ARCH_PWR9 29 if ((GLRO (dl_hwcap2) & PPC_FEATURE2_ARCH_3_00) == 0) 30 _dl_fatal_printf ("\ 31 Fatal glibc error: CPU lacks ISA 3.00 support (POWER9 or later required)\n"); 32 #endif 33 #ifdef GCCMACRO__FLOAT128_HARDWARE__ 34 if ((GLRO (dl_hwcap2) & PPC_FEATURE2_HAS_IEEE128) == 0) 35 _dl_fatal_printf ("\ 36 Fatal glibc error: CPU lacks float128 support (POWER 9 or later required)\n"); 37 #endif 38 /* This check is not actually reached when building for POWER10 and 39 running on POWER9 because there are faulting PCREL instructions 40 before this point. */ 41 #if defined GCCMACRO_ARCH_PWR10 || defined GCCMACRO__PCREL__ 42 if ((GLRO (dl_hwcap2) & PPC_FEATURE2_ARCH_3_1) == 0) 43 _dl_fatal_printf ("\ 44 Fatal glibc error: CPU lacks ISA 3.10 support (POWER10 or later required)\n"); 45 #endif 46 #ifdef GCCMACRO__MMA__ 47 if ((GLRO (dl_hwcap2) & PPC_FEATURE2_MMA) == 0) 48 _dl_fatal_printf ("\ 49 Fatal glibc error: CPU lacks MMA support (POWER10 or later required)\n"); 50 #endif 51 } 52 53 #endif /* _DL_HWCAP_CHECK_H */ 54