tools/arch/x86/include/asm/inat.h

Source file repositories/reference/linux-study-clean/tools/arch/x86/include/asm/inat.h

File Facts

System
Linux kernel
Corpus path
tools/arch/x86/include/asm/inat.h
Extension
.h
Size
7019 bytes
Lines
267
Domain
Support Tooling And Documentation
Bucket
tools
Inferred role
Support Tooling And Documentation: implementation source
Status
source implementation candidate

Why This File Exists

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

Dependency Surface

Detected Declarations

Annotated Snippet

#ifndef _ASM_X86_INAT_H
#define _ASM_X86_INAT_H
/*
 * x86 instruction attributes
 *
 * Written by Masami Hiramatsu <mhiramat@redhat.com>
 */
#include "inat_types.h" /* __ignore_sync_check__ */

/*
 * Internal bits. Don't use bitmasks directly, because these bits are
 * unstable. You should use checking functions.
 */

#define INAT_OPCODE_TABLE_SIZE 256
#define INAT_GROUP_TABLE_SIZE 8

/* Legacy last prefixes */
#define INAT_PFX_OPNDSZ	1	/* 0x66 */ /* LPFX1 */
#define INAT_PFX_REPE	2	/* 0xF3 */ /* LPFX2 */
#define INAT_PFX_REPNE	3	/* 0xF2 */ /* LPFX3 */
/* Other Legacy prefixes */
#define INAT_PFX_LOCK	4	/* 0xF0 */
#define INAT_PFX_CS	5	/* 0x2E */
#define INAT_PFX_DS	6	/* 0x3E */
#define INAT_PFX_ES	7	/* 0x26 */
#define INAT_PFX_FS	8	/* 0x64 */
#define INAT_PFX_GS	9	/* 0x65 */
#define INAT_PFX_SS	10	/* 0x36 */
#define INAT_PFX_ADDRSZ	11	/* 0x67 */
/* x86-64 REX prefix */
#define INAT_PFX_REX	12	/* 0x4X */
/* AVX VEX prefixes */
#define INAT_PFX_VEX2	13	/* 2-bytes VEX prefix */
#define INAT_PFX_VEX3	14	/* 3-bytes VEX prefix */
#define INAT_PFX_EVEX	15	/* EVEX prefix */
/* x86-64 REX2 prefix */
#define INAT_PFX_REX2	16	/* 0xD5 */
/* AMD XOP prefix */
#define INAT_PFX_XOP	17	/* 0x8F */

#define INAT_LSTPFX_MAX	3
#define INAT_LGCPFX_MAX	11

/* Immediate size */
#define INAT_IMM_BYTE		1
#define INAT_IMM_WORD		2
#define INAT_IMM_DWORD		3
#define INAT_IMM_QWORD		4
#define INAT_IMM_PTR		5
#define INAT_IMM_VWORD32	6
#define INAT_IMM_VWORD		7

/* Legacy prefix */
#define INAT_PFX_OFFS	0
#define INAT_PFX_BITS	5
#define INAT_PFX_MAX    ((1 << INAT_PFX_BITS) - 1)
#define INAT_PFX_MASK	(INAT_PFX_MAX << INAT_PFX_OFFS)
/* Escape opcodes */
#define INAT_ESC_OFFS	(INAT_PFX_OFFS + INAT_PFX_BITS)
#define INAT_ESC_BITS	2
#define INAT_ESC_MAX	((1 << INAT_ESC_BITS) - 1)
#define INAT_ESC_MASK	(INAT_ESC_MAX << INAT_ESC_OFFS)
/* Group opcodes (1-16) */
#define INAT_GRP_OFFS	(INAT_ESC_OFFS + INAT_ESC_BITS)
#define INAT_GRP_BITS	5
#define INAT_GRP_MAX	((1 << INAT_GRP_BITS) - 1)
#define INAT_GRP_MASK	(INAT_GRP_MAX << INAT_GRP_OFFS)
/* Immediates */
#define INAT_IMM_OFFS	(INAT_GRP_OFFS + INAT_GRP_BITS)
#define INAT_IMM_BITS	3
#define INAT_IMM_MASK	(((1 << INAT_IMM_BITS) - 1) << INAT_IMM_OFFS)
/* Flags */
#define INAT_FLAG_OFFS	(INAT_IMM_OFFS + INAT_IMM_BITS)
#define INAT_MODRM	(1 << (INAT_FLAG_OFFS))
#define INAT_FORCE64	(1 << (INAT_FLAG_OFFS + 1))
#define INAT_SCNDIMM	(1 << (INAT_FLAG_OFFS + 2))
#define INAT_MOFFSET	(1 << (INAT_FLAG_OFFS + 3))
#define INAT_VARIANT	(1 << (INAT_FLAG_OFFS + 4))
#define INAT_VEXOK	(1 << (INAT_FLAG_OFFS + 5))
#define INAT_XOPOK	INAT_VEXOK
#define INAT_VEXONLY	(1 << (INAT_FLAG_OFFS + 6))
#define INAT_EVEXONLY	(1 << (INAT_FLAG_OFFS + 7))
#define INAT_NO_REX2	(1 << (INAT_FLAG_OFFS + 8))
#define INAT_REX2_VARIANT	(1 << (INAT_FLAG_OFFS + 9))
#define INAT_EVEX_SCALABLE	(1 << (INAT_FLAG_OFFS + 10))
#define INAT_INV64	(1 << (INAT_FLAG_OFFS + 11))
/* Attribute making macros for attribute tables */
#define INAT_MAKE_PREFIX(pfx)	(pfx << INAT_PFX_OFFS)
#define INAT_MAKE_ESCAPE(esc)	(esc << INAT_ESC_OFFS)

Annotation

Implementation Notes