NetBSD/sys/arch/x68k/include/bootinfo.h

131 lines
3.8 KiB
C

/* $NetBSD: bootinfo.h,v 1.4 2001/09/27 09:55:10 minoura Exp $ */
/*
* Copyright (c) 1998 ITOH, Yasufumi
* 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.
*
* 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 _X68K_BOOTINFO_H_
#define _X68K_BOOTINFO_H_
/*
* machine dependent boot information
* passed from boot loader to the NetBSD kernel
*/
/*
* NetBSD/x68k uses MAKEBOOTDEV() framework defined in <sys/reboot.h>
*/
#include <sys/reboot.h>
/*
* for non-SCSI devices
*/
/* major */
#define X68K_MAJOR_FD 2 /* floppy disk */
#define X68K_MAJOR_MD 8 /* memory disk */
#define X68K_MAJOR_NE 255 /* network interface: ne */
#define X68K_MAKEBOOTDEV(major, unit, part) \
MAKEBOOTDEV(major, 0, 0, unit, part)
/*
* for SCSI devices
*
* device major -> type (8bit)
* type of interface -> adaptor (4bit)
* unit # of interface -> controller (4bit)
* target SCSI ID -> unit (4bit)
* target LUN -> partition (3bit; bit 4:6)
* partition -> partition (4bit; bit 0:3)
*
* bit #7 of "partition" is reserved for future extension
*/
/* major */
#define X68K_MAJOR_SD 4 /* SCSI disk */
/* X68K_MAJOR_ST 5 XXX not yet */
#define X68K_MAJOR_CD 7 /* SCSI CD-ROM */
/* type_if */
#define X68K_BOOT_SCSIIF_OLDBOOT 0 /* old boot used this value */
#define X68K_BOOT_SCSIIF_SPC 1 /* spc */
#define X68K_BOOT_SCSIIF_MHA 2 /* mha */
#define X68K_MAKESCSIBOOTDEV(major, type_if, unit_if, scsi_id, lun, part) \
MAKEBOOTDEV(major, type_if, unit_if, scsi_id, ((lun) << 4) | (part))
#define B_X68K_SCSI_IF(val) B_ADAPTOR(val)
#define B_X68K_SCSI_IF_UN(val) B_CONTROLLER(val)
#define B_X68K_SCSI_ID(val) B_UNIT(val)
#define B_X68K_SCSI_LUN(val) (((val) >> (B_PARTITIONSHIFT + 4)) & 07)
#define B_X68K_SCSI_PART(val) (((val) >> B_PARTITIONSHIFT) & 017)
#if 0
/* this bit is reserved for future extension */
#define B_X68K_SCSI_EXT(val) (((val) >> (B_PARTITIONSHIFT + 7)) & 01)
#endif
/*
* for array initialization
*/
#define X68K_BOOT_DEV_LIST \
{ "fd", X68K_MAJOR_FD }, \
{ "sd", X68K_MAJOR_SD }, \
{ "cd", X68K_MAJOR_CD }, \
{ "md", X68K_MAJOR_MD }
#define X68K_BOOT_DEV_STRINGS \
NULL, NULL, "fd", NULL, "sd", NULL, NULL, "cd"
#define X68K_BOOT_DEV_IS_SCSI(major) \
((major) == X68K_MAJOR_SD || \
(major) == X68K_MAJOR_CD)
#define X68K_BOOT_SCSIIF_LIST \
{ "spc", X68K_BOOT_SCSIIF_SPC },\
{ "mha", X68K_BOOT_SCSIIF_MHA }
#define X68K_BOOT_SCSIIF_STRINGS \
NULL, "spc", "mha"
#define X68K_BOOT_NETIF_LIST \
{ "ne", X68K_MAJOR_NE }
#define X68K_BOOT_NETIF_STRINGS \
"ne"
#define X68K_BOOT_DEV_IS_NETIF(major) \
((major) == X68K_MAJOR_NE)
/* Kernel boot interface version */
#define X68K_BOOTIF_VERS 0
#define X68K_BOOTIF_VERS_COMPAT 0x4e73 /* rte instruction */
#endif /* _X68K_BOOTINFO_H_ */