1 /* $NetBSD: md.h,v 1.11 2024/04/09 15:17:25 nia Exp $ */ 2 3 /* 4 * Copyright 1997 Piermont Information Systems Inc. 5 * All rights reserved. 6 * 7 * Written by Philip A. Nelson for Piermont Information Systems Inc. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. The name of Piermont Information Systems Inc. may not be used to endorse 18 * or promote products derived from this software without specific prior 19 * written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY PIERMONT INFORMATION SYSTEMS INC. ``AS IS'' 22 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL PIERMONT INFORMATION SYSTEMS INC. BE 25 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 31 * THE POSSIBILITY OF SUCH DAMAGE. 32 * 33 */ 34 35 /* md.h -- Machine specific definitions for the i386 */ 36 37 38 #include <machine/cpu.h> 39 #include <sys/types.h> 40 #include <sys/stat.h> 41 #include <sys/bootblock.h> 42 #include <fcntl.h> 43 #include <unistd.h> 44 45 /* i386 uses the mbr code. */ 46 #include "mbr.h" 47 48 /* constants and defines */ 49 #define DEFROOTSIZE 128 /* Default root size */ 50 #define DEFUSRSIZE 0 /* Default /usr size, if /home */ 51 #define XNEEDMB 300 /* Extra megs for full X installation */ 52 #define DEBNEEDMB 1400 /* Extra megs for debug sets */ 53 54 #define DEFSWAPSIZE (-1) 55 56 /* use UFS2 by default for ffs */ 57 #define DEFAULT_UFS2 58 59 /* have support for booting from UFS2 */ 60 #define HAVE_UFS2_BOOT 61 62 /* have support for booting from GPT disks */ 63 #define HAVE_GPT_BOOT 64 65 /* allow using tmpfs for /tmp instead of mfs */ 66 #define HAVE_TMPFS 67 68 /* have file system specific primary boot loader */ 69 #define HAVE_BOOTXX_xFS 70 #define BOOTXXDIR "/usr/mdec" 71 #define BOOTXX_FFSV1 "bootxx_ffsv1" 72 #define BOOTXX_FFSV2 "bootxx_ffsv2" 73 #define BOOTXX_LFSV2 "bootxx_lfsv2" 74 75 76 /* 77 * Default filesets to fetch and install during installation 78 * or upgrade. The standard sets are: 79 * base base32 etc comp games gpufw man manhtml misc rescue tests text 80 * xbase xcomp xetc xfont xserver 81 * 82 * x86_64 has the MD set kern first, because generic kernels are too 83 * big to fit on install floppies. 84 * 85 * Third entry is the last extension name in the split sets for loading 86 * from floppy. 87 */ 88 #define SET_KERNEL_1_NAME "kern-GENERIC" 89 #define SET_KERNEL_2_NAME "kern-GENERIC_KASLR" 90 91 #define SET_KERNEL_GENERIC SET_KERNEL_1 92 93 /* 94 * Machine-specific command to write a new label to a disk. 95 * For example, i386 uses "/sbin/disklabel -w -r", just like i386 96 * miniroot scripts, though this may leave a bogus incore label. 97 * Sun ports should probably use DISKLABEL_CMD "/sbin/disklabel -w" 98 * to get incore to ondisk inode translation for the Sun proms. 99 * If not defined, we assume the port does not support disklabels and 100 * hand-edited disklabel will NOT be written by MI code. 101 * 102 * On amd64, do what the 1.2 install scripts did. 103 */ 104 #define DISKLABEL_CMD "disklabel -w -r" 105 106 #define _PATH_MBR DEFAULT_BOOTDIR "/" DEFAULT_BOOTCODE 107 #define _PATH_BOOTSEL DEFAULT_BOOTDIR "/" DEFAULT_BOOTSELCODE 108 109 extern struct mbr_bootsel *mbs; 110 111 112 /* 113 * prototypes for MD code. 114 */ 115 116 /* 117 * When we do an UEFI install, we have completely different default 118 * partitions and need to adjust the description at runtime. 119 */ 120 void x86_md_part_defaults(struct pm_devs*, struct part_usage_info**, 121 size_t *num_usage_infos); 122 123 #define MD_PART_DEFAULTS(A,B,C) x86_md_part_defaults(A,&(B),&(C)) 124 125 /* no need to install bootblock if installing for UEFI */ 126 bool x86_md_need_bootblock(struct install_partition_desc *install); 127 #define MD_NEED_BOOTBLOCK(A) x86_md_need_bootblock(A) 128 129 /* post-process boot.cfg for KASLR if that kernel has been selected */ 130 void amd64_md_boot_cfg_finalize(const char*); 131 #define MD_BOOT_CFG_FINALIZE(P) amd64_md_boot_cfg_finalize(P) 132 133 #define HAVE_EFI_BOOT 1 /* we support EFI boot partitions */ 134 135