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d337345ce1
When built with GCC 11.1 and -mcpu=power9, ld.so prints this error message when running on POWER8: Fatal glibc error: CPU lacks ISA 3.00 support (POWER9 or later required)
53 lines
1.9 KiB
C
53 lines
1.9 KiB
C
/* Check for hardware capabilities after HWCAP parsing. powerpc64le version.
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Copyright (C) 2021 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#ifndef _DL_HWCAP_CHECK_H
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#define _DL_HWCAP_CHECK_H
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#include <ldsodefs.h>
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static inline void
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dl_hwcap_check (void)
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{
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#ifdef _ARCH_PWR9
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if ((GLRO (dl_hwcap2) & PPC_FEATURE2_ARCH_3_00) == 0)
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_dl_fatal_printf ("\
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Fatal glibc error: CPU lacks ISA 3.00 support (POWER9 or later required)\n");
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#endif
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#ifdef __FLOAT128_HARDWARE__
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if ((GLRO (dl_hwcap2) & PPC_FEATURE2_HAS_IEEE128) == 0)
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_dl_fatal_printf ("\
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Fatal glibc error: CPU lacks float128 support (POWER 9 or later required)\n");
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#endif
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/* This check is not actually reached when building for POWER10 and
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running on POWER9 because there are faulting PCREL instructions
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before this point. */
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#if defined _ARCH_PWR10 || defined __PCREL__
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if ((GLRO (dl_hwcap2) & PPC_FEATURE2_ARCH_3_1) == 0)
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_dl_fatal_printf ("\
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Fatal glibc error: CPU lacks ISA 3.10 support (POWER10 or later required)\n");
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#endif
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#ifdef __MMA__
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if ((GLRO (dl_hwcap2) & PPC_FEATURE2_MMA) == 0)
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_dl_fatal_printf ("\
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Fatal glibc error: CPU lacks MMA support (POWER10 or later required)\n");
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#endif
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}
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#endif /* _DL_HWCAP_CHECK_H */
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