1 /* $NetBSD: bootinfo.h,v 1.4 2001/09/27 09:55:10 minoura Exp $ */ 2 3 /* 4 * Copyright (c) 1998 ITOH, Yasufumi 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 #ifndef _X68K_BOOTINFO_H_ 29 #define _X68K_BOOTINFO_H_ 30 31 /* 32 * machine dependent boot information 33 * passed from boot loader to the NetBSD kernel 34 */ 35 36 /* 37 * NetBSD/x68k uses MAKEBOOTDEV() framework defined in <sys/reboot.h> 38 */ 39 #include <sys/reboot.h> 40 41 /* 42 * for non-SCSI devices 43 */ 44 /* major */ 45 #define X68K_MAJOR_FD 2 /* floppy disk */ 46 #define X68K_MAJOR_MD 8 /* memory disk */ 47 #define X68K_MAJOR_NE 255 /* network interface: ne */ 48 49 #define X68K_MAKEBOOTDEV(major, unit, part) \ 50 MAKEBOOTDEV(major, 0, 0, unit, part) 51 52 53 /* 54 * for SCSI devices 55 * 56 * device major -> type (8bit) 57 * type of interface -> adaptor (4bit) 58 * unit # of interface -> controller (4bit) 59 * target SCSI ID -> unit (4bit) 60 * target LUN -> partition (3bit; bit 4:6) 61 * partition -> partition (4bit; bit 0:3) 62 * 63 * bit #7 of "partition" is reserved for future extension 64 */ 65 /* major */ 66 #define X68K_MAJOR_SD 4 /* SCSI disk */ 67 /* X68K_MAJOR_ST 5 XXX not yet */ 68 #define X68K_MAJOR_CD 7 /* SCSI CD-ROM */ 69 70 /* type_if */ 71 #define X68K_BOOT_SCSIIF_OLDBOOT 0 /* old boot used this value */ 72 #define X68K_BOOT_SCSIIF_SPC 1 /* spc */ 73 #define X68K_BOOT_SCSIIF_MHA 2 /* mha */ 74 75 #define X68K_MAKESCSIBOOTDEV(major, type_if, unit_if, scsi_id, lun, part) \ 76 MAKEBOOTDEV(major, type_if, unit_if, scsi_id, ((lun) << 4) | (part)) 77 78 #define B_X68K_SCSI_IF(val) B_ADAPTOR(val) 79 #define B_X68K_SCSI_IF_UN(val) B_CONTROLLER(val) 80 81 #define B_X68K_SCSI_ID(val) B_UNIT(val) 82 #define B_X68K_SCSI_LUN(val) (((val) >> (B_PARTITIONSHIFT + 4)) & 07) 83 84 #define B_X68K_SCSI_PART(val) (((val) >> B_PARTITIONSHIFT) & 017) 85 86 #if 0 87 /* this bit is reserved for future extension */ 88 #define B_X68K_SCSI_EXT(val) (((val) >> (B_PARTITIONSHIFT + 7)) & 01) 89 #endif 90 91 92 /* 93 * for array initialization 94 */ 95 96 #define X68K_BOOT_DEV_LIST \ 97 { "fd", X68K_MAJOR_FD }, \ 98 { "sd", X68K_MAJOR_SD }, \ 99 { "cd", X68K_MAJOR_CD }, \ 100 { "md", X68K_MAJOR_MD } 101 102 #define X68K_BOOT_DEV_STRINGS \ 103 NULL, NULL, "fd", NULL, "sd", NULL, NULL, "cd" 104 105 #define X68K_BOOT_DEV_IS_SCSI(major) \ 106 ((major) == X68K_MAJOR_SD || \ 107 (major) == X68K_MAJOR_CD) 108 109 #define X68K_BOOT_SCSIIF_LIST \ 110 { "spc", X68K_BOOT_SCSIIF_SPC },\ 111 { "mha", X68K_BOOT_SCSIIF_MHA } 112 113 #define X68K_BOOT_SCSIIF_STRINGS \ 114 NULL, "spc", "mha" 115 116 #define X68K_BOOT_NETIF_LIST \ 117 { "ne", X68K_MAJOR_NE } 118 119 #define X68K_BOOT_NETIF_STRINGS \ 120 "ne" 121 122 #define X68K_BOOT_DEV_IS_NETIF(major) \ 123 ((major) == X68K_MAJOR_NE) 124 125 126 /* Kernel boot interface version */ 127 #define X68K_BOOTIF_VERS 0 128 #define X68K_BOOTIF_VERS_COMPAT 0x4e73 /* rte instruction */ 129 130 #endif /* _X68K_BOOTINFO_H_ */ 131