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Nama	Ukuran	Aksi
amd-ibs.h	4.9 MB	View DL Edit
asm.h	4.88 MB	View DL Edit
atomic.h	1.77 MB	View DL Edit
barrier.h	1.32 MB	View DL Edit
cmpxchg.h	2.56 MB	View DL Edit
cpufeatures.h	36.77 MB	View DL Edit
disabled-features.h	4.25 MB	View DL Edit
emulate_prefix.h	484 B	View DL Edit
inat.h	6.36 MB	View DL Edit
inat_types.h	341 B	View DL Edit
insn.h	8.37 MB	View DL Edit
msr-index.h	45.47 MB	View DL Edit
nops.h	2.24 MB	View DL Edit
orc_types.h	2.13 MB	View DL Edit
pvclock-abi.h	1.49 MB	View DL Edit
pvclock.h	2.48 MB	View DL Edit
required-features.h	2.89 MB	View DL Edit
rmwcc.h	603 B	View DL Edit

Edit file: /usr/src/kernels/5.14.0-611.34.1.el9_7.x86_64/tools/arch/x86/include/asm/nops.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_X86_NOPS_H
#define _ASM_X86_NOPS_H

#include <asm/asm.h>

/*
 * Define nops for use with alternative() and for tracing.
 */

#ifndef CONFIG_64BIT

/*
 * Generic 32bit nops from GAS:
 *
 * 1: nop
 * 2: movl %esi,%esi
 * 3: leal 0x0(%esi),%esi
 * 4: leal 0x0(%esi,%eiz,1),%esi
 * 5: leal %ds:0x0(%esi,%eiz,1),%esi
 * 6: leal 0x0(%esi),%esi
 * 7: leal 0x0(%esi,%eiz,1),%esi
 * 8: leal %ds:0x0(%esi,%eiz,1),%esi
 *
 * Except 5 and 8, which are DS prefixed 4 and 7 resp, where GAS would emit 2
 * nop instructions.
 */
#define BYTES_NOP1	0x90
#define BYTES_NOP2	0x89,0xf6
#define BYTES_NOP3	0x8d,0x76,0x00
#define BYTES_NOP4	0x8d,0x74,0x26,0x00
#define BYTES_NOP5	0x3e,BYTES_NOP4
#define BYTES_NOP6	0x8d,0xb6,0x00,0x00,0x00,0x00
#define BYTES_NOP7	0x8d,0xb4,0x26,0x00,0x00,0x00,0x00
#define BYTES_NOP8	0x3e,BYTES_NOP7

#define ASM_NOP_MAX 8

#else

/*
 * Generic 64bit nops from GAS:
 *
 * 1: nop
 * 2: osp nop
 * 3: nopl (%eax)
 * 4: nopl 0x00(%eax)
 * 5: nopl 0x00(%eax,%eax,1)
 * 6: osp nopl 0x00(%eax,%eax,1)
 * 7: nopl 0x00000000(%eax)
 * 8: nopl 0x00000000(%eax,%eax,1)
 * 9: cs nopl 0x00000000(%eax,%eax,1)
 * 10: osp cs nopl 0x00000000(%eax,%eax,1)
 * 11: osp osp cs nopl 0x00000000(%eax,%eax,1)
 */
#define BYTES_NOP1	0x90
#define BYTES_NOP2	0x66,BYTES_NOP1
#define BYTES_NOP3	0x0f,0x1f,0x00
#define BYTES_NOP4	0x0f,0x1f,0x40,0x00
#define BYTES_NOP5	0x0f,0x1f,0x44,0x00,0x00
#define BYTES_NOP6	0x66,BYTES_NOP5
#define BYTES_NOP7	0x0f,0x1f,0x80,0x00,0x00,0x00,0x00
#define BYTES_NOP8	0x0f,0x1f,0x84,0x00,0x00,0x00,0x00,0x00
#define BYTES_NOP9	0x2e,BYTES_NOP8
#define BYTES_NOP10	0x66,BYTES_NOP9
#define BYTES_NOP11	0x66,BYTES_NOP10

#define ASM_NOP9  _ASM_BYTES(BYTES_NOP9)
#define ASM_NOP10 _ASM_BYTES(BYTES_NOP10)
#define ASM_NOP11 _ASM_BYTES(BYTES_NOP11)

#define ASM_NOP_MAX 11

#endif /* CONFIG_64BIT */

#define ASM_NOP1 _ASM_BYTES(BYTES_NOP1)
#define ASM_NOP2 _ASM_BYTES(BYTES_NOP2)
#define ASM_NOP3 _ASM_BYTES(BYTES_NOP3)
#define ASM_NOP4 _ASM_BYTES(BYTES_NOP4)
#define ASM_NOP5 _ASM_BYTES(BYTES_NOP5)
#define ASM_NOP6 _ASM_BYTES(BYTES_NOP6)
#define ASM_NOP7 _ASM_BYTES(BYTES_NOP7)
#define ASM_NOP8 _ASM_BYTES(BYTES_NOP8)

#ifndef __ASSEMBLY__
extern const unsigned char * const x86_nops[];
#endif

#endif /* _ASM_X86_NOPS_H */

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