Adjust for sd->da and the loss of od.
This commit is contained in:
Justin T. Gibbs
parent
830a89fb0b
commit
a9c5dbb88d
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=39241
@ -1,4 +1,4 @@
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# $Id: Makefile,v 1.63 1998/03/07 10:48:07 eivind Exp $
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# $Id: Makefile,v 1.64 1998/05/27 12:13:18 jkoshy Exp $
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#
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PROG= boot
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@ -37,17 +37,13 @@ CFLAGS+= -DCONSPEED=${BOOT_COMCONSOLE_SPEED}
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# Details: this only applies if BOOT_HD_BIAS > 0. If the BIOS drive number
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# for the boot drive is >= BOOT_HD_BIAS, then the boot drive is assumed to
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# be SCSI and have unit number (BIOS_drive_number - BOOT_HD_BIAS). E.g.,
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# BOOT_HD_BIAS=1 makes BIOS drive 1 correspond to 1:sd(0,a) instead of
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# 1:wd(1,a). If `sd' is given explicitly, then the drive is assumed to be
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# SCSI and have BIOS drive number (sd_unit_number + BOOT_HD_BIAS). E.g.,
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# BOOT_HD_BIAS=1 makes sd(0,a) correspond to 1:sd(0,a) instead of 0:sd(0,a).
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# BOOT_HD_BIAS=1 makes BIOS drive 1 correspond to 1:da(0,a) instead of
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# 1:wd(1,a). If `da' is given explicitly, then the drive is assumed to be
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# SCSI and have BIOS drive number (da_unit_number + BOOT_HD_BIAS). E.g.,
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# BOOT_HD_BIAS=1 makes da(0,a) correspond to 1:da(0,a) instead of 0:da(0,a).
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CLEANFILES+= boot.nohdr boot.strip boot1 boot2 sizetest
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LDFLAGS+= -N -T 0 -nostdlib
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#LINKS= ${BINDIR}/sdboot ${BINDIR}/wdboot\
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# ${BINDIR}/sdboot ${BINDIR}/fdboot\
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# ${BINDIR}/bootsd ${BINDIR}/bootwd\
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# ${BINDIR}/bootsd ${BINDIR}/bootfd
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NOSHARED= YES
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NOMAN=
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STRIP=
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@ -91,7 +87,7 @@ install:
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boot1 ${DESTDIR}${BINDIR}/boot1
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${INSTALL} ${COPY} -o ${BINOWN} -g ${BINGRP} -m ${BINMODE}\
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boot2 ${DESTDIR}${BINDIR}/boot2
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for i in sd fd wd od vn wfd ; do \
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for i in da fd wd od vn wfd ; do \
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( cd ${DESTDIR}${BINDIR} ; \
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rm -f boot$${i} $${i}boot ; \
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ln -s boot1 $${i}boot ; \
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@ -26,7 +26,7 @@ menu for switching between operating systems.
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3/ The MBR will load the first record of the selected partition and
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if it has (the same) magic numbers, jumps into it. In 386bsd this is the
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first stage boot, (or boot1) it is represented in /usr/mdec by
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wdboot, asboot and sdboot. If the disk has been set up without DOS partitioning
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wdboot, asboot and daboot. If the disk has been set up without DOS partitioning
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then this block will be at block zero, and will have been loaded directly by
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the BIOS. This is the usual case with floppies.
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@ -129,21 +129,21 @@ will boot xxx from drive 0, a partition.
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wd(1,a)xxx
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will boot xxx from drive 1, a partition.
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similarly for sd and for higher drive numbers (if the BIOS supports them).
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similarly for da and for higher drive numbers (if the BIOS supports them).
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if you have one or more wd drives and one or more scsi drives, then you
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MUST specify the BIOS drive number for booting the scsi drives:
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2:sd(0,a)xxx
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2:da(0,a)xxx
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will boot xxx from scsi drive 0, a partition, provided `2' is the correct
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BIOS drive number for sd0.
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BIOS drive number for da0.
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otherwise the following will happen:
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with wd0 and sd0, you specify sd1 or wd1 to indicate the 2nd drive.
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it boots the kernel correctly, then tells the kernel to use sd1 as root.
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you however may not have an sd1, and problems arise.
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with wd0 and da0, you specify da1 or wd1 to indicate the 2nd drive.
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it boots the kernel correctly, then tells the kernel to use da1 as root.
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you however may not have an da1, and problems arise.
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Whether sd or wd is specified to the kernel is read from the disklabel,
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Whether da or wd is specified to the kernel is read from the disklabel,
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so ensure that all SCSI disks have type SCSI in their disklabel or the
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boot code will assume they are ESDI or IDE. (Remember, because it is
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working through the BIOS it has ho idea what kind of disk it is.
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@ -151,13 +151,13 @@ working through the BIOS it has ho idea what kind of disk it is.
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##########################################################################
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Installing:
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The makefile supplied has a target install which will create the
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files wdboot,bootwd ,sdboot and bootsd in /usr/mdec.
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files wdboot,bootwd ,daboot and bootda in /usr/mdec.
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BEWARE these will overwrite the existing wdboot and bootwd. (so back
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them up)
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there are also targets wd and sd which wil only do one of them
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there are also targets wd and da which wil only do one of them
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The commented out targets wd0 and sd0 are examples of how to
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The commented out targets wd0 and da0 are examples of how to
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load the new bootblocks, however,make sure you change the
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device type and label to suit your drive if you uncomment them.
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(see 'man disklabel')
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@ -169,4 +169,4 @@ Before you do this ensure you have a booting floppy with correct
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disktab and bootblock files on it so that if it doesn't work, you can
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re-disklabel from the floppy.
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$Id$
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$Id: README.386BSD,v 1.9 1997/02/22 09:30:02 peter Exp $
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@ -24,7 +24,7 @@
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* the rights to redistribute these changes.
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*
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* from: Mach, Revision 2.2 92/04/04 11:33:55 rpd
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* $Id$
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* $Id: README.MACH,v 1.5 1997/02/22 09:30:03 peter Exp $
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*/
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********NOTE: This is not all relevant to the 386BSD version**********
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@ -206,5 +206,5 @@ for 1MB and the bootblocks modified to run below 512KB. (8000:0)]
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make -f boot.mk fdboot (floppy boot loader)
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make -f boot.mk hdboot (wini boot loader)
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[to make 386bsd bootblocks "make sd wd" (warning: they will be installed
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[to make 386bsd bootblocks "make da wd" (warning: they will be installed
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in /dev/mdec.. take backups)]
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@ -1,6 +1,6 @@
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Usage: bios_drive:interface(unit,partition)kernel_name options
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bios_drive 0, 1, ...
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interface fd, wd or sd
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interface fd, wd or da
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unit 0, 1, ...
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partition a, c, ...
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kernel_name name of kernel, or ? for list of files in root directory
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@ -8,10 +8,10 @@ Usage: bios_drive:interface(unit,partition)kernel_name options
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-d (debug early) -g (gdb) -h (serial console) -P (probe kbd)
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-r (default root) -s (single user) -v (verbose)
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Examples:
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1:sd(0,a)mykernel boot `mykernel' on the first SCSI drive when one IDE
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1:da(0,a)mykernel boot `mykernel' on the first SCSI drive when one IDE
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drive is present
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1:wd(2,a) boot from the second (secondary master) IDE drive
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1:sd(0,a)? list the files in the root directory on the specified
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1:da(0,a)? list the files in the root directory on the specified
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drive/unit/partition, and set the default bios_drive,
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interface, unit and partition
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-cv boot with the defaults, then run UserConfig to modify
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@ -24,7 +24,7 @@
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* the rights to redistribute these changes.
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*
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* from: Mach, Revision 2.2 92/04/04 11:36:43 rpd
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* $Id$
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* $Id: table.c,v 1.15 1997/02/22 09:30:15 peter Exp $
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*/
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/*
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@ -136,5 +136,5 @@ struct pseudo_desc Idtr_real = { 0x400 - 1, 0x0, 0x0 };
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* All initialized data is defined in one file to reduce space wastage from
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* fragmentation.
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*/
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char *devs[] = { "wd", "dk", "fd", "wt", "sd", 0 };
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char *devs[] = { "wd", "dk", "fd", "wt", "da", 0 };
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unsigned long tw_chars = 0x5C2D2F7C; /* "\-/|" */
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