126 lines
3.7 KiB
C
126 lines
3.7 KiB
C
/* $NetBSD: bootinfo.h,v 1.3 1999/09/23 15:14:58 minoura Exp $ */
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/*
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* Copyright (c) 1998 ITOH, Yasufumi
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _X68K_BOOTINFO_H_
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#define _X68K_BOOTINFO_H_
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/*
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* machine dependent boot information
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* passed from boot loader to the NetBSD kernel
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*/
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/*
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* NetBSD/x68k uses MAKEBOOTDEV() framework defined in <sys/reboot.h>
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*/
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#include <sys/reboot.h>
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/*
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* for non-SCSI devices
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*/
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/* major */
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#define X68K_MAJOR_FD 2 /* floppy disk */
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#define X68K_MAJOR_MD 8 /* memory disk */
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#define X68K_MAJOR_NE 255 /* network interface: ne */
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#define X68K_MAKEBOOTDEV(major, unit, part) \
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MAKEBOOTDEV(major, 0, 0, unit, part)
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/*
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* for SCSI devices
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*
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* device major -> type (8bit)
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* type of interface -> adaptor (4bit)
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* unit # of interface -> controller (4bit)
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* target SCSI ID -> unit (4bit)
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* target LUN -> partition (3bit; bit 4:6)
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* partition -> partition (4bit; bit 0:3)
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*
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* bit #7 of "partition" is reserved for future extension
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*/
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/* major */
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#define X68K_MAJOR_SD 4 /* SCSI disk */
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/* X68K_MAJOR_ST 5 XXX not yet */
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#define X68K_MAJOR_CD 7 /* SCSI CD-ROM */
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/* type_if */
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#define X68K_BOOT_SCSIIF_OLDBOOT 0 /* old boot used this value */
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#define X68K_BOOT_SCSIIF_SPC 1 /* spc */
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#define X68K_BOOT_SCSIIF_MHA 2 /* mha */
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#define X68K_MAKESCSIBOOTDEV(major, type_if, unit_if, scsi_id, lun, part) \
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MAKEBOOTDEV(major, type_if, unit_if, scsi_id, ((lun) << 4) | (part))
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#define B_X68K_SCSI_IF(val) B_ADAPTOR(val)
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#define B_X68K_SCSI_IF_UN(val) B_CONTROLLER(val)
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#define B_X68K_SCSI_ID(val) B_UNIT(val)
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#define B_X68K_SCSI_LUN(val) (((val) >> (B_PARTITIONSHIFT + 4)) & 07)
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#define B_X68K_SCSI_PART(val) (((val) >> B_PARTITIONSHIFT) & 017)
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#if 0
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/* this bit is reserved for future extension */
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#define B_X68K_SCSI_EXT(val) (((val) >> (B_PARTITIONSHIFT + 7)) & 01)
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#endif
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/*
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* for array initialization
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*/
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#define X68K_BOOT_DEV_LIST \
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{ "fd", X68K_MAJOR_FD }, \
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{ "sd", X68K_MAJOR_SD }, \
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{ "cd", X68K_MAJOR_CD }, \
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{ "md", X68K_MAJOR_MD }
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#define X68K_BOOT_DEV_STRINGS \
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NULL, NULL, "fd", NULL, "sd", NULL, NULL, "cd"
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#define X68K_BOOT_DEV_IS_SCSI(major) \
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((major) == X68K_MAJOR_SD || \
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(major) == X68K_MAJOR_CD)
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#define X68K_BOOT_SCSIIF_LIST \
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{ "spc", X68K_BOOT_SCSIIF_SPC },\
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{ "mha", X68K_BOOT_SCSIIF_MHA }
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#define X68K_BOOT_SCSIIF_STRINGS \
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NULL, "spc", "mha"
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#define X68K_BOOT_NETIF_LIST \
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{ "ne", X68K_MAJOR_NE }
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#define X68K_BOOT_NETIF_STRINGS \
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"ne"
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#define X68K_BOOT_DEV_IS_NETIF(major) \
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((major) == X68K_MAJOR_NE)
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#endif /* _X68K_BOOTINFO_H_ */
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