arch/sh/include/cpu-sh4/cpu/addrspace.h

Source file repositories/reference/linux-study-clean/arch/sh/include/cpu-sh4/cpu/addrspace.h

File Facts

System
Linux kernel
Corpus path
arch/sh/include/cpu-sh4/cpu/addrspace.h
Extension
.h
Size
1069 bytes
Lines
42
Domain
Architecture Layer
Bucket
arch/sh
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 __ASM_CPU_SH4_ADDRSPACE_H
#define __ASM_CPU_SH4_ADDRSPACE_H

#define P0SEG		0x00000000
#define P1SEG		0x80000000
#define P2SEG		0xa0000000
#define P3SEG		0xc0000000
#define P4SEG		0xe0000000

/* Detailed P4SEG  */
#define P4SEG_STORE_QUE	(P4SEG)
#define P4SEG_IC_ADDR	0xf0000000
#define P4SEG_IC_DATA	0xf1000000
#define P4SEG_ITLB_ADDR	0xf2000000
#define P4SEG_ITLB_DATA	0xf3000000
#define P4SEG_OC_ADDR	0xf4000000
#define P4SEG_OC_DATA	0xf5000000
#define P4SEG_TLB_ADDR	0xf6000000
#define P4SEG_TLB_DATA	0xf7000000
#define P4SEG_REG_BASE	0xff000000

#define PA_AREA0	0x00000000
#define PA_AREA1	0x04000000
#define PA_AREA2	0x08000000
#define PA_AREA3	0x0c000000
#define PA_AREA4	0x10000000
#define PA_AREA5	0x14000000
#define PA_AREA6	0x18000000
#define PA_AREA7	0x1c000000

#define PA_AREA5_IO	0xb4000000	/* Area 5 IO Memory */
#define PA_AREA6_IO	0xb8000000	/* Area 6 IO Memory */

#endif /* __ASM_CPU_SH4_ADDRSPACE_H */

Annotation

Implementation Notes