arch/alpha/include/uapi/asm/reg.h

Source file repositories/reference/linux-study-clean/arch/alpha/include/uapi/asm/reg.h

File Facts

System
Linux kernel
Corpus path
arch/alpha/include/uapi/asm/reg.h
Extension
.h
Size
1005 bytes
Lines
54
Domain
Architecture Layer
Bucket
arch/alpha
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 __reg_h__
#define __reg_h__

/*
 * Exception frame offsets.
 */
#define EF_V0		0
#define EF_T0		1
#define EF_T1		2
#define EF_T2		3
#define EF_T3		4
#define EF_T4		5
#define EF_T5		6
#define EF_T6		7
#define EF_T7		8
#define EF_S0		9
#define EF_S1		10
#define EF_S2		11
#define EF_S3		12
#define EF_S4		13
#define EF_S5		14
#define EF_S6		15
#define EF_A3		16
#define EF_A4		17
#define EF_A5		18
#define EF_T8		19
#define EF_T9		20
#define EF_T10		21
#define EF_T11		22
#define EF_RA		23
#define EF_T12		24
#define EF_AT		25
#define EF_SP		26
#define EF_PS		27
#define EF_PC		28
#define EF_GP		29
#define EF_A0		30
#define EF_A1		31
#define EF_A2		32

#define EF_SIZE		(33*8)
#define HWEF_SIZE	(6*8)		/* size of PAL frame (PS-A2) */

#define EF_SSIZE	(EF_SIZE - HWEF_SIZE)

/*
 * Map register number into core file offset.
 */
#define CORE_REG(reg, ubase) \
	(((unsigned long *)((unsigned long)(ubase)))[reg])

#endif /* __reg_h__ */

Annotation

Implementation Notes