1 /* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */ 2 /* 3 * Copyright (C) 2012 ARM Ltd. 4 * Copyright (C) 2015 Regents of the University of California 5 */ 6 7 #ifndef _UAPI_ASM_RISCV_AUXVEC_H 8 #define _UAPI_ASM_RISCV_AUXVEC_H 9 10 /* vDSO location */ 11 #define AT_SYSINFO_EHDR 33 12 13 /* 14 * The set of entries below represent more extensive information 15 * about the caches, in the form of two entry per cache type, 16 * one entry containing the cache size in bytes, and the other 17 * containing the cache line size in bytes in the bottom 16 bits 18 * and the cache associativity in the next 16 bits. 19 * 20 * The associativity is such that if N is the 16-bit value, the 21 * cache is N way set associative. A value if 0xffff means fully 22 * associative, a value of 1 means directly mapped. 23 * 24 * For all these fields, a value of 0 means that the information 25 * is not known. 26 */ 27 #define AT_L1I_CACHESIZE 40 28 #define AT_L1I_CACHEGEOMETRY 41 29 #define AT_L1D_CACHESIZE 42 30 #define AT_L1D_CACHEGEOMETRY 43 31 #define AT_L2_CACHESIZE 44 32 #define AT_L2_CACHEGEOMETRY 45 33 #define AT_L3_CACHESIZE 46 34 #define AT_L3_CACHEGEOMETRY 47 35 36 /* entries in ARCH_DLINFO */ 37 #define AT_VECTOR_SIZE_ARCH 9 38 #define AT_MINSIGSTKSZ 51 39 40 #endif /* _UAPI_ASM_RISCV_AUXVEC_H */ 41