arch/m68k/include/uapi/asm/bootinfo-vme.h

Source file repositories/reference/linux-study-clean/arch/m68k/include/uapi/asm/bootinfo-vme.h

File Facts

System
Linux kernel
Corpus path
arch/m68k/include/uapi/asm/bootinfo-vme.h
Extension
.h
Size
1794 bytes
Lines
72
Domain
Architecture Layer
Bucket
arch/m68k
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_M68K_BOOTINFO_VME_H
#define _UAPI_ASM_M68K_BOOTINFO_VME_H


#include <linux/types.h>


    /*
     *  VME-specific tags
     */

#define BI_VME_TYPE		0x8000	/* VME sub-architecture (__be32) */
#define BI_VME_BRDINFO		0x8001	/* VME board information (struct) */


    /*
     *  VME models (BI_VME_TYPE)
     */

#define VME_TYPE_TP34V		0x0034	/* Tadpole TP34V */
#define VME_TYPE_MVME147	0x0147	/* Motorola MVME147 */
#define VME_TYPE_MVME162	0x0162	/* Motorola MVME162 */
#define VME_TYPE_MVME166	0x0166	/* Motorola MVME166 */
#define VME_TYPE_MVME167	0x0167	/* Motorola MVME167 */
#define VME_TYPE_MVME172	0x0172	/* Motorola MVME172 */
#define VME_TYPE_MVME177	0x0177	/* Motorola MVME177 */
#define VME_TYPE_BVME4000	0x4000	/* BVM Ltd. BVME4000 */
#define VME_TYPE_BVME6000	0x6000	/* BVM Ltd. BVME6000 */


#ifndef __ASSEMBLER__

/*
 * Board ID data structure - pointer to this retrieved from Bug by head.S
 *
 * BI_VME_BRDINFO is a 32 byte struct as returned by the Bug code on
 * Motorola VME boards.  Contains board number, Bug version, board
 * configuration options, etc.
 *
 * Note, bytes 12 and 13 are board no in BCD (0162,0166,0167,0177,etc)
 */

typedef struct {
	char	bdid[4];
	__u8	rev, mth, day, yr;
	__be16	size, reserved;
	__be16	brdno;
	char	brdsuffix[2];
	__be32	options;
	__be16	clun, dlun, ctype, dnum;
	__be32	option2;
} t_bdid, *p_bdid;

#endif /* __ASSEMBLER__ */


    /*
     *  Latest VME bootinfo versions
     */

#define MVME147_BOOTI_VERSION	MK_BI_VERSION(2, 0)
#define MVME16x_BOOTI_VERSION	MK_BI_VERSION(2, 0)
#define BVME6000_BOOTI_VERSION	MK_BI_VERSION(2, 0)


#endif /* _UAPI_ASM_M68K_BOOTINFO_VME_H */

Annotation

Implementation Notes