^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /* SPDX-License-Identifier: GPL-2.0-only */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Copyright (C) 2012 ARM Ltd.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) #ifndef __ASM_HWCAP_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) #define __ASM_HWCAP_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #include <uapi/asm/hwcap.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <asm/cpufeature.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #define COMPAT_HWCAP_SWP (1 << 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #define COMPAT_HWCAP_HALF (1 << 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #define COMPAT_HWCAP_THUMB (1 << 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #define COMPAT_HWCAP_26BIT (1 << 3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #define COMPAT_HWCAP_FAST_MULT (1 << 4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #define COMPAT_HWCAP_FPA (1 << 5)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #define COMPAT_HWCAP_VFP (1 << 6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #define COMPAT_HWCAP_EDSP (1 << 7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #define COMPAT_HWCAP_JAVA (1 << 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #define COMPAT_HWCAP_IWMMXT (1 << 9)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #define COMPAT_HWCAP_CRUNCH (1 << 10)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #define COMPAT_HWCAP_THUMBEE (1 << 11)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #define COMPAT_HWCAP_NEON (1 << 12)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #define COMPAT_HWCAP_VFPv3 (1 << 13)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #define COMPAT_HWCAP_VFPV3D16 (1 << 14)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #define COMPAT_HWCAP_TLS (1 << 15)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #define COMPAT_HWCAP_VFPv4 (1 << 16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) #define COMPAT_HWCAP_IDIVA (1 << 17)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) #define COMPAT_HWCAP_IDIVT (1 << 18)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) #define COMPAT_HWCAP_IDIV (COMPAT_HWCAP_IDIVA|COMPAT_HWCAP_IDIVT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) #define COMPAT_HWCAP_VFPD32 (1 << 19)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) #define COMPAT_HWCAP_LPAE (1 << 20)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) #define COMPAT_HWCAP_EVTSTRM (1 << 21)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) #define COMPAT_HWCAP2_AES (1 << 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) #define COMPAT_HWCAP2_PMULL (1 << 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) #define COMPAT_HWCAP2_SHA1 (1 << 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) #define COMPAT_HWCAP2_SHA2 (1 << 3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) #define COMPAT_HWCAP2_CRC32 (1 << 4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) #ifndef __ASSEMBLY__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) #include <linux/log2.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) * For userspace we represent hwcaps as a collection of HWCAP{,2}_x bitfields
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) * as described in uapi/asm/hwcap.h. For the kernel we represent hwcaps as
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) * natural numbers (in a single range of size MAX_CPU_FEATURES) defined here
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) * with prefix KERNEL_HWCAP_ mapped to their HWCAP{,2}_x counterpart.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) * Hwcaps should be set and tested within the kernel via the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) * cpu_{set,have}_named_feature(feature) where feature is the unique suffix
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) * of KERNEL_HWCAP_{feature}.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) #define __khwcap_feature(x) const_ilog2(HWCAP_ ## x)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) #define KERNEL_HWCAP_FP __khwcap_feature(FP)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) #define KERNEL_HWCAP_ASIMD __khwcap_feature(ASIMD)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) #define KERNEL_HWCAP_EVTSTRM __khwcap_feature(EVTSTRM)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) #define KERNEL_HWCAP_AES __khwcap_feature(AES)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) #define KERNEL_HWCAP_PMULL __khwcap_feature(PMULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) #define KERNEL_HWCAP_SHA1 __khwcap_feature(SHA1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) #define KERNEL_HWCAP_SHA2 __khwcap_feature(SHA2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) #define KERNEL_HWCAP_CRC32 __khwcap_feature(CRC32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) #define KERNEL_HWCAP_ATOMICS __khwcap_feature(ATOMICS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) #define KERNEL_HWCAP_FPHP __khwcap_feature(FPHP)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) #define KERNEL_HWCAP_ASIMDHP __khwcap_feature(ASIMDHP)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) #define KERNEL_HWCAP_CPUID __khwcap_feature(CPUID)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) #define KERNEL_HWCAP_ASIMDRDM __khwcap_feature(ASIMDRDM)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) #define KERNEL_HWCAP_JSCVT __khwcap_feature(JSCVT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) #define KERNEL_HWCAP_FCMA __khwcap_feature(FCMA)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) #define KERNEL_HWCAP_LRCPC __khwcap_feature(LRCPC)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) #define KERNEL_HWCAP_DCPOP __khwcap_feature(DCPOP)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) #define KERNEL_HWCAP_SHA3 __khwcap_feature(SHA3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) #define KERNEL_HWCAP_SM3 __khwcap_feature(SM3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) #define KERNEL_HWCAP_SM4 __khwcap_feature(SM4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) #define KERNEL_HWCAP_ASIMDDP __khwcap_feature(ASIMDDP)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) #define KERNEL_HWCAP_SHA512 __khwcap_feature(SHA512)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) #define KERNEL_HWCAP_SVE __khwcap_feature(SVE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) #define KERNEL_HWCAP_ASIMDFHM __khwcap_feature(ASIMDFHM)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) #define KERNEL_HWCAP_DIT __khwcap_feature(DIT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) #define KERNEL_HWCAP_USCAT __khwcap_feature(USCAT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) #define KERNEL_HWCAP_ILRCPC __khwcap_feature(ILRCPC)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) #define KERNEL_HWCAP_FLAGM __khwcap_feature(FLAGM)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) #define KERNEL_HWCAP_SSBS __khwcap_feature(SSBS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) #define KERNEL_HWCAP_SB __khwcap_feature(SB)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) #define KERNEL_HWCAP_PACA __khwcap_feature(PACA)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) #define KERNEL_HWCAP_PACG __khwcap_feature(PACG)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) #define __khwcap2_feature(x) (const_ilog2(HWCAP2_ ## x) + 32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) #define KERNEL_HWCAP_DCPODP __khwcap2_feature(DCPODP)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) #define KERNEL_HWCAP_SVE2 __khwcap2_feature(SVE2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) #define KERNEL_HWCAP_SVEAES __khwcap2_feature(SVEAES)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) #define KERNEL_HWCAP_SVEPMULL __khwcap2_feature(SVEPMULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) #define KERNEL_HWCAP_SVEBITPERM __khwcap2_feature(SVEBITPERM)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) #define KERNEL_HWCAP_SVESHA3 __khwcap2_feature(SVESHA3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) #define KERNEL_HWCAP_SVESM4 __khwcap2_feature(SVESM4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) #define KERNEL_HWCAP_FLAGM2 __khwcap2_feature(FLAGM2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) #define KERNEL_HWCAP_FRINT __khwcap2_feature(FRINT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) #define KERNEL_HWCAP_SVEI8MM __khwcap2_feature(SVEI8MM)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) #define KERNEL_HWCAP_SVEF32MM __khwcap2_feature(SVEF32MM)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) #define KERNEL_HWCAP_SVEF64MM __khwcap2_feature(SVEF64MM)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) #define KERNEL_HWCAP_SVEBF16 __khwcap2_feature(SVEBF16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) #define KERNEL_HWCAP_I8MM __khwcap2_feature(I8MM)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) #define KERNEL_HWCAP_BF16 __khwcap2_feature(BF16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) #define KERNEL_HWCAP_DGH __khwcap2_feature(DGH)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) #define KERNEL_HWCAP_RNG __khwcap2_feature(RNG)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) #define KERNEL_HWCAP_BTI __khwcap2_feature(BTI)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) #define KERNEL_HWCAP_MTE __khwcap2_feature(MTE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) #define KERNEL_HWCAP_ECV __khwcap2_feature(ECV)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) #define KERNEL_HWCAP_AFP __khwcap2_feature(AFP)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) #define KERNEL_HWCAP_RPRES __khwcap2_feature(RPRES)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) * This yields a mask that user programs can use to figure out what
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) * instruction set this cpu supports.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) #define ELF_HWCAP cpu_get_elf_hwcap()
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) #define ELF_HWCAP2 cpu_get_elf_hwcap2()
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) #ifdef CONFIG_COMPAT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) #define COMPAT_ELF_HWCAP (compat_elf_hwcap)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) #define COMPAT_ELF_HWCAP2 (compat_elf_hwcap2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) extern unsigned int compat_elf_hwcap, compat_elf_hwcap2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) enum {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) CAP_HWCAP = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) #ifdef CONFIG_COMPAT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) CAP_COMPAT_HWCAP,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) CAP_COMPAT_HWCAP2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) #endif
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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