/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) 2012 ARM Ltd. */ #ifndef __ASM_HWCAP_H #define __ASM_HWCAP_H #include #include #define COMPAT_HWCAP_SWP (1 << 0) #define COMPAT_HWCAP_HALF (1 << 1) #define COMPAT_HWCAP_THUMB (1 << 2) #define COMPAT_HWCAP_26BIT (1 << 3) #define COMPAT_HWCAP_FAST_MULT (1 << 4) #define COMPAT_HWCAP_FPA (1 << 5) #define COMPAT_HWCAP_VFP (1 << 6) #define COMPAT_HWCAP_EDSP (1 << 7) #define COMPAT_HWCAP_JAVA (1 << 8) #define COMPAT_HWCAP_IWMMXT (1 << 9) #define COMPAT_HWCAP_CRUNCH (1 << 10) /* Obsolete */ #define COMPAT_HWCAP_THUMBEE (1 << 11) #define COMPAT_HWCAP_NEON (1 << 12) #define COMPAT_HWCAP_VFPv3 (1 << 13) #define COMPAT_HWCAP_VFPV3D16 (1 << 14) #define COMPAT_HWCAP_TLS (1 << 15) #define COMPAT_HWCAP_VFPv4 (1 << 16) #define COMPAT_HWCAP_IDIVA (1 << 17) #define COMPAT_HWCAP_IDIVT (1 << 18) #define COMPAT_HWCAP_IDIV (COMPAT_HWCAP_IDIVA|COMPAT_HWCAP_IDIVT) #define COMPAT_HWCAP_VFPD32 (1 << 19) #define COMPAT_HWCAP_LPAE (1 << 20) #define COMPAT_HWCAP_EVTSTRM (1 << 21) #define COMPAT_HWCAP_FPHP (1 << 22) #define COMPAT_HWCAP_ASIMDHP (1 << 23) #define COMPAT_HWCAP_ASIMDDP (1 << 24) #define COMPAT_HWCAP_ASIMDFHM (1 << 25) #define COMPAT_HWCAP_ASIMDBF16 (1 << 26) #define COMPAT_HWCAP_I8MM (1 << 27) #define COMPAT_HWCAP2_AES (1 << 0) #define COMPAT_HWCAP2_PMULL (1 << 1) #define COMPAT_HWCAP2_SHA1 (1 << 2) #define COMPAT_HWCAP2_SHA2 (1 << 3) #define COMPAT_HWCAP2_CRC32 (1 << 4) #define COMPAT_HWCAP2_SB (1 << 5) #define COMPAT_HWCAP2_SSBS (1 << 6) #ifndef __ASSEMBLER__ #include /* * For userspace we represent hwcaps as a collection of HWCAP{,2}_x bitfields * as described in uapi/asm/hwcap.h. For the kernel we represent hwcaps as * natural numbers (in a single range of size MAX_CPU_FEATURES) defined here * with prefix KERNEL_HWCAP_ mapped to their HWCAP{,2}_x counterpart. * * Hwcaps should be set and tested within the kernel via the * cpu_{set,have}_named_feature(feature) where feature is the unique suffix * of KERNEL_HWCAP_{feature}. */ #define __khwcap_feature(x) const_ilog2(HWCAP_ ## x) #define __khwcap2_feature(x) (const_ilog2(HWCAP2_ ## x) + 64) #define __khwcap3_feature(x) (const_ilog2(HWCAP3_ ## x) + 128) #include "asm/kernel-hwcap.h" /* * This yields a mask that user programs can use to figure out what * instruction set this cpu supports. */ #define ELF_HWCAP cpu_get_elf_hwcap() #define ELF_HWCAP2 cpu_get_elf_hwcap2() #define ELF_HWCAP3 cpu_get_elf_hwcap3() #ifdef CONFIG_COMPAT #define COMPAT_ELF_HWCAP (compat_elf_hwcap) #define COMPAT_ELF_HWCAP2 (compat_elf_hwcap2) #define COMPAT_ELF_HWCAP3 (compat_elf_hwcap3) extern unsigned int compat_elf_hwcap, compat_elf_hwcap2, compat_elf_hwcap3; #endif enum { CAP_HWCAP = 1, #ifdef CONFIG_COMPAT CAP_COMPAT_HWCAP, CAP_COMPAT_HWCAP2, #endif }; #endif #endif