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/* Initialize cpu feature data. PowerPC version.
Copyright (C) 2017-2024 Free Software Foundation, Inc.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#ifndef __CPU_FEATURES_POWERPC_H
# define __CPU_FEATURES_POWERPC_H
#include <stdbool.h>
#include <sys/auxv.h>
struct cpu_features
{
bool use_cached_memopt;
unsigned long int hwcap;
unsigned long int hwcap2;
};
static const char hwcap_names[] = {
"4xxmac\0"
"altivec\0"
"arch_2_05\0"
"arch_2_06\0"
"archpmu\0"
"booke\0"
"cellbe\0"
"dfp\0"
"efpdouble\0"
"efpsingle\0"
"fpu\0"
"ic_snoop\0"
"mmu\0"
"notb\0"
"pa6t\0"
"power4\0"
"power5\0"
"power5+\0"
"power6x\0"
"ppc32\0"
"ppc601\0"
"ppc64\0"
"ppcle\0"
"smt\0"
"spe\0"
"true_le\0"
"ucache\0"
"vsx\0"
"arch_2_07\0"
"dscr\0"
"ebb\0"
"htm\0"
"htm-nosc\0"
"htm-no-suspend\0"
"isel\0"
"tar\0"
"vcrypto\0"
"arch_3_00\0"
"ieee128\0"
"darn\0"
"scv\0"
"arch_3_1\0"
"mma\0"
};
static const struct
{
unsigned int mask;
bool id;
} hwcap_tunables[] = {
/* AT_HWCAP tunable masks. */
{ PPC_FEATURE_HAS_4xxMAC, 0 },
{ PPC_FEATURE_HAS_ALTIVEC, 0 },
{ PPC_FEATURE_ARCH_2_05, 0 },
{ PPC_FEATURE_ARCH_2_06, 0 },
{ PPC_FEATURE_PSERIES_PERFMON_COMPAT, 0 },
{ PPC_FEATURE_BOOKE, 0 },
{ PPC_FEATURE_CELL_BE, 0 },
{ PPC_FEATURE_HAS_DFP, 0 },
{ PPC_FEATURE_HAS_EFP_DOUBLE, 0 },
{ PPC_FEATURE_HAS_EFP_SINGLE, 0 },
{ PPC_FEATURE_HAS_FPU, 0 },
{ PPC_FEATURE_ICACHE_SNOOP, 0 },
{ PPC_FEATURE_HAS_MMU, 0 },
{ PPC_FEATURE_NO_TB, 0 },
{ PPC_FEATURE_PA6T, 0 },
{ PPC_FEATURE_POWER4, 0 },
{ PPC_FEATURE_POWER5, 0 },
{ PPC_FEATURE_POWER5_PLUS, 0 },
{ PPC_FEATURE_POWER6_EXT, 0 },
{ PPC_FEATURE_32, 0 },
{ PPC_FEATURE_601_INSTR, 0 },
{ PPC_FEATURE_64, 0 },
{ PPC_FEATURE_PPC_LE, 0 },
{ PPC_FEATURE_SMT, 0 },
{ PPC_FEATURE_HAS_SPE, 0 },
{ PPC_FEATURE_TRUE_LE, 0 },
{ PPC_FEATURE_UNIFIED_CACHE, 0 },
{ PPC_FEATURE_HAS_VSX, 0 },
/* AT_HWCAP2 tunable masks. */
{ PPC_FEATURE2_ARCH_2_07, 1 },
{ PPC_FEATURE2_HAS_DSCR, 1 },
{ PPC_FEATURE2_HAS_EBB, 1 },
{ PPC_FEATURE2_HAS_HTM, 1 },
{ PPC_FEATURE2_HTM_NOSC, 1 },
{ PPC_FEATURE2_HTM_NO_SUSPEND, 1 },
{ PPC_FEATURE2_HAS_ISEL, 1 },
{ PPC_FEATURE2_HAS_TAR, 1 },
{ PPC_FEATURE2_HAS_VEC_CRYPTO, 1 },
{ PPC_FEATURE2_ARCH_3_00, 1 },
{ PPC_FEATURE2_HAS_IEEE128, 1 },
{ PPC_FEATURE2_DARN, 1 },
{ PPC_FEATURE2_SCV, 1 },
{ PPC_FEATURE2_ARCH_3_1, 1 },
{ PPC_FEATURE2_MMA, 1 },
};
#endif /* __CPU_FEATURES_H */
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