135 lines
5.1 KiB
C
135 lines
5.1 KiB
C
|
/* SPDX-License-Identifier: GPL-2.0-only */
|
||
|
|
/*
|
||
|
|
* Copyright (C) 2012 ARM Ltd.
|
||
|
|
*/
|
||
|
|
#ifndef __ASM_HWCAP_H
|
||
|
|
#define __ASM_HWCAP_H
|
||
|
|
|
||
|
|
#include <uapi/asm/hwcap.h>
|
||
|
|
#include <asm/cpufeature.h>
|
||
|
|
|
||
|
|
#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_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)
|
||
|
|
|
||
|
|
#ifndef __ASSEMBLY__
|
||
|
|
#include <linux/log2.h>
|
||
|
|
|
||
|
|
/*
|
||
|
|
* 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 KERNEL_HWCAP_FP __khwcap_feature(FP)
|
||
|
|
#define KERNEL_HWCAP_ASIMD __khwcap_feature(ASIMD)
|
||
|
|
#define KERNEL_HWCAP_EVTSTRM __khwcap_feature(EVTSTRM)
|
||
|
|
#define KERNEL_HWCAP_AES __khwcap_feature(AES)
|
||
|
|
#define KERNEL_HWCAP_PMULL __khwcap_feature(PMULL)
|
||
|
|
#define KERNEL_HWCAP_SHA1 __khwcap_feature(SHA1)
|
||
|
|
#define KERNEL_HWCAP_SHA2 __khwcap_feature(SHA2)
|
||
|
|
#define KERNEL_HWCAP_CRC32 __khwcap_feature(CRC32)
|
||
|
|
#define KERNEL_HWCAP_ATOMICS __khwcap_feature(ATOMICS)
|
||
|
|
#define KERNEL_HWCAP_FPHP __khwcap_feature(FPHP)
|
||
|
|
#define KERNEL_HWCAP_ASIMDHP __khwcap_feature(ASIMDHP)
|
||
|
|
#define KERNEL_HWCAP_CPUID __khwcap_feature(CPUID)
|
||
|
|
#define KERNEL_HWCAP_ASIMDRDM __khwcap_feature(ASIMDRDM)
|
||
|
|
#define KERNEL_HWCAP_JSCVT __khwcap_feature(JSCVT)
|
||
|
|
#define KERNEL_HWCAP_FCMA __khwcap_feature(FCMA)
|
||
|
|
#define KERNEL_HWCAP_LRCPC __khwcap_feature(LRCPC)
|
||
|
|
#define KERNEL_HWCAP_DCPOP __khwcap_feature(DCPOP)
|
||
|
|
#define KERNEL_HWCAP_SHA3 __khwcap_feature(SHA3)
|
||
|
|
#define KERNEL_HWCAP_SM3 __khwcap_feature(SM3)
|
||
|
|
#define KERNEL_HWCAP_SM4 __khwcap_feature(SM4)
|
||
|
|
#define KERNEL_HWCAP_ASIMDDP __khwcap_feature(ASIMDDP)
|
||
|
|
#define KERNEL_HWCAP_SHA512 __khwcap_feature(SHA512)
|
||
|
|
#define KERNEL_HWCAP_SVE __khwcap_feature(SVE)
|
||
|
|
#define KERNEL_HWCAP_ASIMDFHM __khwcap_feature(ASIMDFHM)
|
||
|
|
#define KERNEL_HWCAP_DIT __khwcap_feature(DIT)
|
||
|
|
#define KERNEL_HWCAP_USCAT __khwcap_feature(USCAT)
|
||
|
|
#define KERNEL_HWCAP_ILRCPC __khwcap_feature(ILRCPC)
|
||
|
|
#define KERNEL_HWCAP_FLAGM __khwcap_feature(FLAGM)
|
||
|
|
#define KERNEL_HWCAP_SSBS __khwcap_feature(SSBS)
|
||
|
|
#define KERNEL_HWCAP_SB __khwcap_feature(SB)
|
||
|
|
#define KERNEL_HWCAP_PACA __khwcap_feature(PACA)
|
||
|
|
#define KERNEL_HWCAP_PACG __khwcap_feature(PACG)
|
||
|
|
|
||
|
|
#define __khwcap2_feature(x) (const_ilog2(HWCAP2_ ## x) + 32)
|
||
|
|
#define KERNEL_HWCAP_DCPODP __khwcap2_feature(DCPODP)
|
||
|
|
#define KERNEL_HWCAP_SVE2 __khwcap2_feature(SVE2)
|
||
|
|
#define KERNEL_HWCAP_SVEAES __khwcap2_feature(SVEAES)
|
||
|
|
#define KERNEL_HWCAP_SVEPMULL __khwcap2_feature(SVEPMULL)
|
||
|
|
#define KERNEL_HWCAP_SVEBITPERM __khwcap2_feature(SVEBITPERM)
|
||
|
|
#define KERNEL_HWCAP_SVESHA3 __khwcap2_feature(SVESHA3)
|
||
|
|
#define KERNEL_HWCAP_SVESM4 __khwcap2_feature(SVESM4)
|
||
|
|
#define KERNEL_HWCAP_FLAGM2 __khwcap2_feature(FLAGM2)
|
||
|
|
#define KERNEL_HWCAP_FRINT __khwcap2_feature(FRINT)
|
||
|
|
#define KERNEL_HWCAP_SVEI8MM __khwcap2_feature(SVEI8MM)
|
||
|
|
#define KERNEL_HWCAP_SVEF32MM __khwcap2_feature(SVEF32MM)
|
||
|
|
#define KERNEL_HWCAP_SVEF64MM __khwcap2_feature(SVEF64MM)
|
||
|
|
#define KERNEL_HWCAP_SVEBF16 __khwcap2_feature(SVEBF16)
|
||
|
|
#define KERNEL_HWCAP_I8MM __khwcap2_feature(I8MM)
|
||
|
|
#define KERNEL_HWCAP_BF16 __khwcap2_feature(BF16)
|
||
|
|
#define KERNEL_HWCAP_DGH __khwcap2_feature(DGH)
|
||
|
|
#define KERNEL_HWCAP_RNG __khwcap2_feature(RNG)
|
||
|
|
#define KERNEL_HWCAP_BTI __khwcap2_feature(BTI)
|
||
|
|
#define KERNEL_HWCAP_MTE __khwcap2_feature(MTE)
|
||
|
|
#define KERNEL_HWCAP_ECV __khwcap2_feature(ECV)
|
||
|
|
#define KERNEL_HWCAP_AFP __khwcap2_feature(AFP)
|
||
|
|
#define KERNEL_HWCAP_RPRES __khwcap2_feature(RPRES)
|
||
|
|
|
||
|
|
/*
|
||
|
|
* 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()
|
||
|
|
|
||
|
|
#ifdef CONFIG_COMPAT
|
||
|
|
#define COMPAT_ELF_HWCAP (compat_elf_hwcap)
|
||
|
|
#define COMPAT_ELF_HWCAP2 (compat_elf_hwcap2)
|
||
|
|
extern unsigned int compat_elf_hwcap, compat_elf_hwcap2;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
enum {
|
||
|
|
CAP_HWCAP = 1,
|
||
|
|
#ifdef CONFIG_COMPAT
|
||
|
|
CAP_COMPAT_HWCAP,
|
||
|
|
CAP_COMPAT_HWCAP2,
|
||
|
|
#endif
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif
|
||
|
|
#endif
|