idprom.h,v

来自「TCP-IP红宝书源代码」· H,V 代码 · 共 75 行

head	1.2;
access;
symbols;
locks
	dls:1.2; strict;
comment	@ * @;


1.2
date	97.09.21.19.26.19;	author dls;	state Dist;
branches;
next	1.1;

1.1
date	94.05.10.20.48.46;	author dls;	state Old;
branches;
next	;


desc
@@


1.2
log
@pre-3e code
@
text
@/*	@@(#)idprom.h 1.5 85/04/15 SMI	*/

/*
 * Copyright (c) 1985 by Sun Microsystems, Inc.
 */

/*
 * Structure declaration for ID prom in CPU and Ethernet boards
 */
struct idprom {
	unsigned char	id_format;	/* format identifier */
	/* The following fields are valid only in format IDFORM_1. */
	unsigned char	id_machine;	/* machine type */
	unsigned char	id_ether[6];	/* ethernet address */
	long		id_date;	/* date of manufacture */
	unsigned	id_serial:24;	/* serial number */
	unsigned char	id_xsum;	/* xor checksum */
	unsigned char	id_undef[16];	/* undefined */
};

#define IDFORM_1	1	/* Format number for first ID proms */

/*
 * The machine type field assignments are constrained such that the
 * IDM_ARCH_MASK bits define the CPU architecture and the remaining bits
 * identify the individual implementation of that architecture.
 */
#define	IDM_ARCH_MASK	0xf0	/* mask for architecture bits */
#define	IDM_ARCH_SUN2	0x00	/* arch value for Sun-2 */
#define	IDM_ARCH_SUN3	0x10	/* arch value for Sun-3 */

/* All possible values of the id_machine field (so far): */
#define	IDM_SUN2_MULTI	1	/* Machine type for Multibus CPU board */
#define	IDM_SUN2_VME	2	/* Machine type for VME CPU board */
#define	IDM_SUN3_CARRERA 0x11	/* Carrera CPU */
#define	IDM_SUN3_M25	0x12	/* M25 CPU */
#define	IDM_SUN3_SIRIUS 0x13	/* Sirius CPU */
@


1.1
log
@Initial revision
@
text
@@