Annotation of sys/arch/hppa64/stand/boot/boot.8, Revision 1.1
1.1 ! nbrk 1: .\" $OpenBSD: boot.8,v 1.6 2007/05/31 19:20:03 jmc Exp $
! 2: .\"
! 3: .\" Copyright (c) 2002 Miodrag Vallat
! 4: .\" Copyright (c) 1997-2005 Michael Shalayeff
! 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 OR HIS RELATIVES BE LIABLE FOR ANY DIRECT,
! 20: .\" INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
! 21: .\" (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
! 22: .\" SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 23: .\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
! 24: .\" STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
! 25: .\" IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
! 26: .\" THE POSSIBILITY OF SUCH DAMAGE.
! 27: .\"
! 28: .\"
! 29: .Dd $Mdocdate: May 31 2007 $
! 30: .Dt BOOT 8 hppa64
! 31: .Os
! 32: .Sh NAME
! 33: .Nm boot ,
! 34: .Nm boot.conf
! 35: .Nd
! 36: hppa64-specific bootstrap
! 37: .Sh DESCRIPTION
! 38: The main purpose of this program is to load the system kernel while dealing
! 39: with the various features of the PA-RISC hardware.
! 40: .Pp
! 41: As described in
! 42: .Xr boot_hppa64 8 ,
! 43: this program is loaded by the PDC firmware
! 44: and provides a convenient way to load the kernel.
! 45: .Pp
! 46: Basic operations include:
! 47: .Pp
! 48: .Bl -bullet -compact
! 49: .It
! 50: Loading kernels from any device supported by your system.
! 51: .It
! 52: Loading kernels compressed by
! 53: .Xr gzip 1 .
! 54: .It
! 55: Providing an interactive command line.
! 56: .It
! 57: Detecting and switching between multiple consoles.
! 58: .El
! 59: .Pp
! 60: The sequence of its operation is as follows: initialization,
! 61: parsing the configuration file, then an interactive command line.
! 62: While at the command line you have 5 seconds to type any commands, if needed.
! 63: If time expires, the kernel will be loaded according to
! 64: the current variable settings (see the
! 65: .Nm set
! 66: command).
! 67: Each time a kernel load fails, the timeout is increased by one second.
! 68: The sequence of
! 69: .Nm
! 70: operations is as follows:
! 71: .Bl -enum
! 72: .It
! 73: If the file
! 74: .Pa /etc/boot.conf
! 75: exists on the filesystem or LIF image
! 76: .Nm
! 77: was loaded from, open and parse it.
! 78: This file may contain any commands
! 79: .Nm
! 80: accepts at the interactive prompt.
! 81: Though default settings usually suffice, they can be changed here.
! 82: .It
! 83: The header line
! 84: .Pp
! 85: .Dl >> OpenBSD/hppa64 BOOT [x.xx]
! 86: .Pp
! 87: is displayed to the active console, where
! 88: .Ar x.xx
! 89: is the version number of the
! 90: .Nm
! 91: program, followed by the
! 92: .Pp
! 93: .Dl boot>
! 94: .Pp
! 95: prompt, which means you are in interactive mode and may enter commands.
! 96: If you do not,
! 97: .Nm
! 98: will proceed to load the kernel with the current parameters after the
! 99: timeout period has expired.
! 100: .El
! 101: .Pp
! 102: By default,
! 103: .Nm
! 104: attempts to load the kernel executable
! 105: .Pa /bsd .
! 106: If it fails to find the kernel and no alternative kernel image has
! 107: been specified, the system will be unable to boot.
! 108: .Sh COMMANDS
! 109: The following commands are accepted at the
! 110: .Nm
! 111: prompt:
! 112: .Bl -tag -width shorten
! 113: .It boot Op Ar image Op Fl acds
! 114: Boots the kernel image specified by
! 115: .Ar image
! 116: with any options given.
! 117: Image specification consists of a pair
! 118: .Ar device : Ns Ar filename ;
! 119: either or both can be omitted (`:' is not needed if both are omitted),
! 120: in which case values from
! 121: .Nm
! 122: variables will be used.
! 123: .Bl -tag -width _a_
! 124: .It Fl a
! 125: Causes the kernel to ask for the
! 126: .Nm root
! 127: device to use.
! 128: .It Fl c
! 129: Causes the kernel to go into
! 130: .Xr boot_config 8
! 131: before performing
! 132: .Xr autoconf 4
! 133: procedures.
! 134: .It Fl d
! 135: Causes the kernel to drop into
! 136: .Xr ddb 4
! 137: at the earliest convenient point.
! 138: .It Fl s
! 139: Causes the kernel to boot single-user.
! 140: .El
! 141: .It echo Op Ar args
! 142: Displays
! 143: .Ar args
! 144: on the console device.
! 145: .It help
! 146: Prints a list of available commands and machine dependent
! 147: commands, if any.
! 148: .It machine Op Ar command
! 149: Issues machine-dependent commands.
! 150: These are defined for hppa64 architecture:
! 151: .Bl -tag -width keyboard
! 152: .It Nm console
! 153: Displays or sets the console path.
! 154: .Pp
! 155: When invoked with no argument, this command will display the configured
! 156: console path found in the stable storage area.
! 157: .Pp
! 158: Otherwise, the argument will be interpreted as a console path
! 159: definition string, and
! 160: .Nm
! 161: will attempt to switch the console configuration to the desired device.
! 162: The console definition attempts to follow the PDC syntax,
! 163: and would have a form of:
! 164: .Bd -filled
! 165: graphics
! 166: .Op _head
! 167: .Op .mode
! 168: .Ed
! 169: for graphics console, and
! 170: .Bd -filled
! 171: rs232
! 172: .Op _2
! 173: .Op .speed Op .bits Op .parity
! 174: .Ed
! 175: for serial console.
! 176: .Pp
! 177: The default head and mode for graphics console are 0, that is the default
! 178: videomode of the first graphics device.
! 179: The default serial settings are 9600 bps, 8 data bits, and no parity.
! 180: .It Nm keyboard
! 181: Displays or sets the keyboard path.
! 182: .Pp
! 183: When invoked with no argument, this command will display the configured
! 184: keyboard path found in the stable storage area.
! 185: .Pp
! 186: Otherwise, the argument will be interpreted as a keyboard path definition
! 187: string, and
! 188: .Nm
! 189: will attempt to switch the keyboard configuration to the desired port.
! 190: The keyboard definition attempts to follow the PDC syntax,
! 191: and would have a form of:
! 192: .Bd -filled
! 193: hil
! 194: .Ed
! 195: for hil keyboard, and
! 196: .Bd -filled
! 197: ps2
! 198: .Ed
! 199: for PS/2 keyboard.
! 200: .El
! 201: .Pp
! 202: After changing any path settings, the machine usually has to be restarted for
! 203: the changes to have effect.
! 204: .It ls Op Ar directory
! 205: Prints contents of the specified
! 206: .Ar directory
! 207: in long format including: attributes and file type, owner, group,
! 208: size, filename.
! 209: .It reboot
! 210: Reboots the machine by initiating a warm boot procedure.
! 211: .It set Op Ar varname Op Ar value
! 212: If invoked without arguments, prints a list of variables and their values.
! 213: If only
! 214: .Ar varname
! 215: is specified, displays contents of that variable.
! 216: If
! 217: .Ar varname
! 218: and
! 219: .Ar value
! 220: are both specified, sets that variable to the given value.
! 221: Variables include:
! 222: .Pp
! 223: .Bl -tag -compact -width boothow
! 224: .It Nm addr
! 225: Address at which to load the kernel.
! 226: .It Nm debug
! 227: Debug flag if
! 228: .Nm
! 229: was compiled with DEBUG defined.
! 230: .It Nm device
! 231: Boot device name (i.e.,
! 232: .Li lf0a ,
! 233: .Li sd0a ) .
! 234: .It Nm howto
! 235: Options to pass to the loaded kernel.
! 236: .It Nm image
! 237: File name containing the kernel image.
! 238: .It Nm timeout
! 239: Number of seconds boot will wait for human intervention before
! 240: booting the default kernel image.
! 241: .\" .It Nm tty
! 242: .\" Active console device name (i.e.,
! 243: .\" .Li ttya ,
! 244: .\" .Li ttyb ,
! 245: .\" .Li ite0) .
! 246: .El
! 247: .\" .It stty Op Ar device Op Ar speed
! 248: .\" Displays or sets the
! 249: .\" .Ar speed
! 250: .\" for a console
! 251: .\" .Ar device .
! 252: .\" If changing the baudrate for the currently active console,
! 253: .\" .Nm
! 254: .\" offers you five seconds of grace time before committing the change
! 255: .\" to allow you to change your terminal's speed to match.
! 256: .\" If changing speed
! 257: .\" .Em not
! 258: .\" for the active console, the baudrate is set for the
! 259: .\" .Em next
! 260: .\" time you switch to a serial console.
! 261: .\" The baudrate value is not used for the
! 262: .\" .Li ite0
! 263: .\" console.
! 264: .\" .Pp
! 265: .\" The default baudrate is 9600bps.
! 266: .It time
! 267: Displays system time and date.
! 268: .El
! 269: .Sh FILES
! 270: .Bl -tag -width /etc/boot.conf -compact
! 271: .It Pa /boot
! 272: system bootstrap
! 273: .It Pa /etc/boot.conf
! 274: system bootstrap's startup file
! 275: .It Pa /bsd
! 276: kernel image
! 277: .It Pa /bsd.rd
! 278: kernel image for installation/recovery
! 279: .El
! 280: .Sh EXAMPLES
! 281: Boot the default kernel:
! 282: .Pp
! 283: .Dl boot> boot
! 284: .Pp
! 285: Remove the 5 second pause at boot-time permanently, causing
! 286: .Nm
! 287: to load the kernel immediately without prompting:
! 288: .Pp
! 289: .Dl # echo \&"boot\&" > /etc/boot.conf
! 290: .Pp
! 291: Use serial console on the first serial port, with the usual 9600 8N1 settings.
! 292: A null modem cable should connect the specified serial port to a terminal.
! 293: Useful for debugging.
! 294: .Pp
! 295: .Dl boot> machine console rs232.9600.8.none
! 296: .Pp
! 297: Boot the kernel named
! 298: .Pa /bsd
! 299: from the second SCSI disk in
! 300: .Dq User Kernel Configuration
! 301: mode (see
! 302: .Xr boot_config 8 ) .
! 303: This mechanism allows for the explicit enabling and disabling of devices
! 304: during the current boot sequence, as well as the modification
! 305: of device parameters.
! 306: Once booted, such changes can be made permanent by using
! 307: .Xr config 8 Ns 's
! 308: .Fl e
! 309: option.
! 310: .Pp
! 311: .Dl boot> boot sd1a:/bsd -c
! 312: .Sh SEE ALSO
! 313: .Xr gzip 1 ,
! 314: .Xr autoconf 4 ,
! 315: .Xr ddb 4 ,
! 316: .Xr boot_config 8 ,
! 317: .Xr boot_hppa64 8 ,
! 318: .\" .Xr installboot 8 ,
! 319: .Xr reboot 8
! 320: .Pp
! 321: RFC 1950 describes the zlib library interface.
! 322: .Pp
! 323: The official home page for the version of zlib used in this
! 324: operating system see http://quest.jpl.nasa.gov/zlib/.
! 325: .Sh HISTORY
! 326: This program was written by Michael Shalayeff for
! 327: .Ox 2.1 .
! 328: The hppa64 specific parts were written by Michael Shalayeff and Miodrag Vallat
! 329: for
! 330: .Ox 3.1 .
! 331: .Sh CAVEATS
! 332: Making mistakes in console paths may cost you a toupee.
! 333: .Sh BUGS
! 334: Changing the display resolution (mode) on a graphics console does not work
! 335: correctly.
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