NetBSD/sys/arch/i386/include/bootinfo.h

132 lines
3.5 KiB
C

/* $NetBSD: bootinfo.h,v 1.7 1999/03/12 01:01:42 fvdl Exp $ */
/*
* Copyright (c) 1997
* Matthias Drochner. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed for the NetBSD Project
* by Matthias Drochner.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#ifndef _LOCORE
struct btinfo_common {
int len;
int type;
};
#define BTINFO_BOOTPATH 0
#define BTINFO_BOOTDISK 3
#define BTINFO_NETIF 4
#define BTINFO_CONSOLE 6
#define BTINFO_BIOSGEOM 7
#define BTINFO_SYMTAB 8
#define BTINFO_MEMMAP 9
struct btinfo_bootpath {
struct btinfo_common common;
char bootpath[80];
};
struct btinfo_bootdisk {
struct btinfo_common common;
int labelsector; /* label valid if != -1 */
struct {
u_int16_t type, checksum;
char packname[16];
} label;
int biosdev;
int partition;
};
struct btinfo_netif {
struct btinfo_common common;
char ifname[16];
int bus;
#define BI_BUS_ISA 0
#define BI_BUS_PCI 1
union {
unsigned int iobase; /* ISA */
unsigned int tag; /* PCI, BIOS format */
} addr;
};
struct btinfo_console {
struct btinfo_common common;
char devname[16];
int addr;
int speed;
};
struct btinfo_symtab {
struct btinfo_common common;
int nsym;
int ssym;
int esym;
};
struct bi_memmap_entry {
int a[5]; /* 20 bytes */
};
struct btinfo_memmap {
struct btinfo_common common;
int num;
struct bi_memmap_entry entry[1]; /* var len */
};
#include <sys/disklabel_mbr.h>
/*
* Structure describing disk info as seen by the BIOS.
*/
struct bi_biosgeom_entry {
int sec, head, cyl; /* geometry */
u_int64_t totsec; /* LBA sectors from ext int13 */
int flags, dev; /* flags, BIOS device # */
#define BI_GEOM_INVALID 0x01
#define BI_GEOM_EXTINT13 0x02
unsigned int cksum; /* MBR checksum */
int res0, res1, res2, res3; /* future expansion; 0 now */
struct mbr_partition dosparts[NMBRPART]; /* MBR itself */
};
struct btinfo_biosgeom {
struct btinfo_common common;
int num;
struct bi_biosgeom_entry disk[1]; /* var len */
};
#ifdef _KERNEL
void *lookup_bootinfo __P((int));
#endif
#endif /* _LOCORE */
#ifdef _KERNEL
#define BOOTINFO_MAXSIZE 4096
#endif