arch/arm64/include/uapi/asm/hwcap.h

Source file repositories/reference/linux-study-clean/arch/arm64/include/uapi/asm/hwcap.h

File Facts

System
Linux kernel
Corpus path
arch/arm64/include/uapi/asm/hwcap.h
Extension
.h
Size
5142 bytes
Lines
160
Domain
Architecture Layer
Bucket
arch/arm64
Inferred role
Architecture Layer: implementation source
Status
source implementation candidate

Why This File Exists

CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.

Dependency Surface

Detected Declarations

Annotated Snippet

#ifndef _UAPI__ASM_HWCAP_H
#define _UAPI__ASM_HWCAP_H

/*
 * HWCAP flags - for AT_HWCAP
 *
 * Bits 62 and 63 are reserved for use by libc.
 * Bits 33-61 are unallocated for potential use by libc.
 */
#define HWCAP_FP		(1 << 0)
#define HWCAP_ASIMD		(1 << 1)
#define HWCAP_EVTSTRM		(1 << 2)
#define HWCAP_AES		(1 << 3)
#define HWCAP_PMULL		(1 << 4)
#define HWCAP_SHA1		(1 << 5)
#define HWCAP_SHA2		(1 << 6)
#define HWCAP_CRC32		(1 << 7)
#define HWCAP_ATOMICS		(1 << 8)
#define HWCAP_FPHP		(1 << 9)
#define HWCAP_ASIMDHP		(1 << 10)
#define HWCAP_CPUID		(1 << 11)
#define HWCAP_ASIMDRDM		(1 << 12)
#define HWCAP_JSCVT		(1 << 13)
#define HWCAP_FCMA		(1 << 14)
#define HWCAP_LRCPC		(1 << 15)
#define HWCAP_DCPOP		(1 << 16)
#define HWCAP_SHA3		(1 << 17)
#define HWCAP_SM3		(1 << 18)
#define HWCAP_SM4		(1 << 19)
#define HWCAP_ASIMDDP		(1 << 20)
#define HWCAP_SHA512		(1 << 21)
#define HWCAP_SVE		(1 << 22)
#define HWCAP_ASIMDFHM		(1 << 23)
#define HWCAP_DIT		(1 << 24)
#define HWCAP_USCAT		(1 << 25)
#define HWCAP_ILRCPC		(1 << 26)
#define HWCAP_FLAGM		(1 << 27)
#define HWCAP_SSBS		(1 << 28)
#define HWCAP_SB		(1 << 29)
#define HWCAP_PACA		(1 << 30)
#define HWCAP_PACG		(1UL << 31)
#define HWCAP_GCS		(1UL << 32)
#define HWCAP_CMPBR		(1UL << 33)
#define HWCAP_FPRCVT		(1UL << 34)
#define HWCAP_F8MM8		(1UL << 35)
#define HWCAP_F8MM4		(1UL << 36)
#define HWCAP_SVE_F16MM		(1UL << 37)
#define HWCAP_SVE_ELTPERM	(1UL << 38)
#define HWCAP_SVE_AES2		(1UL << 39)
#define HWCAP_SVE_BFSCALE	(1UL << 40)
#define HWCAP_SVE2P2		(1UL << 41)
#define HWCAP_SME2P2		(1UL << 42)
#define HWCAP_SME_SBITPERM	(1UL << 43)
#define HWCAP_SME_AES		(1UL << 44)
#define HWCAP_SME_SFEXPA	(1UL << 45)
#define HWCAP_SME_STMOP		(1UL << 46)
#define HWCAP_SME_SMOP4		(1UL << 47)

/*
 * HWCAP2 flags - for AT_HWCAP2
 */
#define HWCAP2_DCPODP		(1 << 0)
#define HWCAP2_SVE2		(1 << 1)
#define HWCAP2_SVEAES		(1 << 2)
#define HWCAP2_SVEPMULL		(1 << 3)
#define HWCAP2_SVEBITPERM	(1 << 4)
#define HWCAP2_SVESHA3		(1 << 5)
#define HWCAP2_SVESM4		(1 << 6)
#define HWCAP2_FLAGM2		(1 << 7)
#define HWCAP2_FRINT		(1 << 8)
#define HWCAP2_SVEI8MM		(1 << 9)
#define HWCAP2_SVEF32MM		(1 << 10)
#define HWCAP2_SVEF64MM		(1 << 11)
#define HWCAP2_SVEBF16		(1 << 12)
#define HWCAP2_I8MM		(1 << 13)
#define HWCAP2_BF16		(1 << 14)
#define HWCAP2_DGH		(1 << 15)
#define HWCAP2_RNG		(1 << 16)
#define HWCAP2_BTI		(1 << 17)
#define HWCAP2_MTE		(1 << 18)
#define HWCAP2_ECV		(1 << 19)
#define HWCAP2_AFP		(1 << 20)
#define HWCAP2_RPRES		(1 << 21)
#define HWCAP2_MTE3		(1 << 22)
#define HWCAP2_SME		(1 << 23)
#define HWCAP2_SME_I16I64	(1 << 24)
#define HWCAP2_SME_F64F64	(1 << 25)
#define HWCAP2_SME_I8I32	(1 << 26)
#define HWCAP2_SME_F16F32	(1 << 27)
#define HWCAP2_SME_B16F32	(1 << 28)

Annotation

Implementation Notes