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author | thegeorg <thegeorg@yandex-team.com> | 2022-12-15 19:25:15 +0300 |
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committer | thegeorg <thegeorg@yandex-team.com> | 2022-12-15 19:25:15 +0300 |
commit | 0c31d97afd7858af5f8f858c8addf91655ca9ccc (patch) | |
tree | 4d8a246db168f7beaafcd06d486c034115c2123d /contrib/libs/linux-headers/asm/auxvec_powerpc.h | |
parent | d1d5f5e00df0dd6efc00880dd8283477fc643aaf (diff) | |
download | ydb-0c31d97afd7858af5f8f858c8addf91655ca9ccc.tar.gz |
Sync linux-headers instead of using system ones
Diffstat (limited to 'contrib/libs/linux-headers/asm/auxvec_powerpc.h')
-rw-r--r-- | contrib/libs/linux-headers/asm/auxvec_powerpc.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/contrib/libs/linux-headers/asm/auxvec_powerpc.h b/contrib/libs/linux-headers/asm/auxvec_powerpc.h new file mode 100644 index 0000000000..7af21dc0e3 --- /dev/null +++ b/contrib/libs/linux-headers/asm/auxvec_powerpc.h @@ -0,0 +1,53 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +#ifndef _ASM_POWERPC_AUXVEC_H +#define _ASM_POWERPC_AUXVEC_H + +/* + * We need to put in some extra aux table entries to tell glibc what + * the cache block size is, so it can use the dcbz instruction safely. + */ +#define AT_DCACHEBSIZE 19 +#define AT_ICACHEBSIZE 20 +#define AT_UCACHEBSIZE 21 +/* A special ignored type value for PPC, for glibc compatibility. */ +#define AT_IGNOREPPC 22 + +/* The vDSO location. We have to use the same value as x86 for glibc's + * sake :-) + */ +#define AT_SYSINFO_EHDR 33 + +/* + * AT_*CACHEBSIZE above represent the cache *block* size which is + * the size that is affected by the cache management instructions. + * + * It doesn't nececssarily matches the cache *line* size which is + * more of a performance tuning hint. Additionally the latter can + * be different for the different cache levels. + * + * The set of entries below represent more extensive information + * about the caches, in the form of two entry per cache type, + * one entry containing the cache size in bytes, and the other + * containing the cache line size in bytes in the bottom 16 bits + * and the cache associativity in the next 16 bits. + * + * The associativity is such that if N is the 16-bit value, the + * cache is N way set associative. A value if 0xffff means fully + * associative, a value of 1 means directly mapped. + * + * For all these fields, a value of 0 means that the information + * is not known. + */ + +#define AT_L1I_CACHESIZE 40 +#define AT_L1I_CACHEGEOMETRY 41 +#define AT_L1D_CACHESIZE 42 +#define AT_L1D_CACHEGEOMETRY 43 +#define AT_L2_CACHESIZE 44 +#define AT_L2_CACHEGEOMETRY 45 +#define AT_L3_CACHESIZE 46 +#define AT_L3_CACHEGEOMETRY 47 + +#define AT_VECTOR_SIZE_ARCH 14 /* entries in ARCH_DLINFO */ + +#endif |