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Diffstat (limited to 'static/openbsd/man8/man8.sparc64/boot_sparc64.8')
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diff --git a/static/openbsd/man8/man8.sparc64/boot_sparc64.8 b/static/openbsd/man8/man8.sparc64/boot_sparc64.8 new file mode 100644 index 00000000..173d9d01 --- /dev/null +++ b/static/openbsd/man8/man8.sparc64/boot_sparc64.8 @@ -0,0 +1,169 @@ +.\" $OpenBSD: boot_sparc64.8,v 1.18 2022/09/05 10:29:28 kn Exp $ +.\" +.\" Copyright (c) 1992, 1993 +.\" The Regents of the University of California. 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. +.\" 3. Neither the name of the University nor the names of its contributors +.\" may be used to endorse or promote products derived from this software +.\" without specific prior written permission. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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. +.\" +.\" @(#)boot_sparc.8 8.2 (Berkeley) 4/19/94 +.\" +.Dd $Mdocdate: September 5 2022 $ +.Dt BOOT_SPARC64 8 sparc64 +.Os +.Sh NAME +.Nm boot_sparc64 +.Nd sparc64 system bootstrapping procedures +.Sh DESCRIPTION +.Ss System starts +When powered on, after a panic, or if the system is rebooted via +.Xr reboot 8 +or +.Xr shutdown 8 , +the PROM will proceed to its initialization, and will boot an operating +system if autoboot is enabled. +.Ss Boot process description +The sparc64 boot process is split into two parts: a small first-stage bootblock +that is written into the superblock area of a partition +.Po +and hence is limited in size to SBSIZE - DEV_BSIZE bytes +.Pc , +and a second-stage boot program that resides in the filesystem proper. +The first-stage bootblock is loaded into memory by the PROM. +After it receives control, it loads the second-stage boot program +.Sy ofwboot +from the filesystem. +The second-stage boot program uses the device driver interface to +the PROM and the stand-alone filesystem code in +.Pa libsa.a +to locate and load the kernel. +The first-stage bootblock and second-stage boot program can be found in +.Pa /usr/mdec/bootblk +and +.Pa /usr/mdec/ofwboot +respectively. +The second-stage boot program commonly resides in the root directory as +.Pa /ofwboot . +.Pp +The boot program attempts to load the kernel from the selected +boot device, which must currently be an SCSI +.Pq Pa sd +or IDE +.Pq Pa wd +disk drive, or a CD-ROM +.Pq Pa cd , +or an SCSI tape drive +.Pq Pa st . +.Pp +The UltraSPARC Open Firmware +will normally look for a bootloader on the device specified by the +.Va boot-device +variable. +The +.Ox +bootloader will then look for a kernel named +.Pa bsd +by default, unless the +.Va boot-file +variable contains a filename, or a different filename has been specified +in the boot command. +To reset this variable to its default, empty, value, type the following: +.Pp +.D1 Sy ok Li set-default boot-file +.Pp +Autoboot is enabled by setting the +.Va auto-boot?\& +variable to +.Dq true , +and is the factory default. +.Ss Boot process options +The following options are recognized: +.Pp +.Bl -tag -width "-XXX" -offset indent -compact +.It Fl a +Prompt for the root filesystem and swap devices after the devices have +been configured. +.It Fl c +Enter the +.Dq User Kernel Configuration +mode upon startup +.Pq see Xr boot_config 8 . +.It Fl d +Enter the debugger, +.Xr ddb 4 , +as soon as the kernel console has been initialized. +.It Fl s +Boot the system single-user. +The system will be booted multi-user unless this option is specified. +.El +.Ss Accessing the PROM during runtime +If the +.Xr sysctl 8 +variable +.Va ddb.console +is enabled, at any time you can break back to the ROM by pressing the +.Sq L1 +.Pq also known as the Dq stop key +and +.Sq a +keys at the same time (if the console is a serial port the same is +achieved by sending a +.Dq break ) , +and entering +.Ic machine prom +at the prompt. +If you do this accidentally you can continue whatever was in progress +by typing +.Ic go +at the PROM prompt, and then +.Ic cont +to return to the system. +.Sh FILES +.Bl -tag -width /usr/mdec/ofwboot.net -compact +.It Pa /bsd +default system kernel +.It Pa /bsd.rd +standalone installation kernel, suitable for disaster recovery +.It Pa /usr/mdec/bootblk +primary bootstrap for +.Dq ffs +file system +.It Pa /usr/mdec/ofwboot +secondary bootstrap (usually also installed as +.Pa /ofwboot ) +.It Pa /usr/mdec/ofwboot.net +network bootstrap +.It Pa /usr/mdec/ofwbootfd +floppy disk bootstrap +.El +.Sh SEE ALSO +.Xr ddb 4 , +.Xr softraid 4 , +.Xr boot_config 8 , +.Xr halt 8 , +.Xr init 8 , +.Xr installboot 8 , +.Xr reboot 8 , +.Xr savecore 8 , +.Xr shutdown 8 |