source: mainline/contrib/conf/dot.bochsrc@ 3de6dd7a

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since 3de6dd7a was 8b3eebb, checked in by Jakub Jermar <jakub@…>, 20 years ago

Documentation and dot.bochsrc upgrade.

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1# You may now use double quotes around pathnames, in case
2# your pathname includes spaces.
3
4#=======================================================================
5# CONFIG_INTERFACE
6#
7# The configuration interface is a series of menus or dialog boxes that
8# allows you to change all the settings that control Bochs's behavior.
9# There are two choices of configuration interface: a text mode version
10# called "textconfig" and a graphical version called "wx". The text
11# mode version uses stdin/stdout and is always compiled in. The graphical
12# version is only available when you use "--with-wx" on the configure
13# command. If you do not write a config_interface line, Bochs will
14# choose a default for you.
15#
16# NOTE: if you use the "wx" configuration interface, you must also use
17# the "wx" display library.
18#=======================================================================
19config_interface: textconfig
20#config_interface: wx
21
22#=======================================================================
23# DISPLAY_LIBRARY
24#
25# The display library is the code that displays the Bochs VGA screen. Bochs
26# has a selection of about 10 different display library implementations for
27# different platforms. If you run configure with multiple --with-* options,
28# the display_library command lets you choose which one you want to run with.
29# If you do not write a display_library line, Bochs will choose a default for
30# you.
31#
32# The choices are:
33# x use X windows interface, cross platform
34# win32 use native win32 libraries
35# carbon use Carbon library (for MacOS X)
36# beos use native BeOS libraries
37# macintosh use MacOS pre-10
38# amigaos use native AmigaOS libraries
39# sdl use SDL library, cross platform
40# svga use SVGALIB library for Linux, allows graphics without X11
41# term text only, uses curses/ncurses library, cross platform
42# rfb provides an interface to AT&T's VNC viewer, cross platform
43# wx use wxWindows library, cross platform
44# nogui no display at all
45#
46# NOTE: if you use the "wx" configuration interface, you must also use
47# the "wx" display library.
48#=======================================================================
49#display_library: amigaos
50#display_library: beos
51#display_library: carbon
52#display_library: macintosh
53#display_library: nogui
54#display_library: rfb
55#display_library: sdl
56#display_library: term
57#display_library: win32
58#display_library: wx
59display_library: x
60
61cpu: count=8, ips=10000000
62
63#=======================================================================
64# ROMIMAGE:
65# You now need to load a ROM BIOS into F0000-FFFFF. Normally, you can
66# use a precompiled BIOS in the bios/ directory of the source tree,
67# named BIOS-bochs-latest.
68# You can also use the environment variable $BXSHARE to specify the
69# location of the BIOS.
70#=======================================================================
71romimage: file=$BXSHARE/BIOS-bochs-latest, address=0xf0000
72#romimage: file=$BXSHARE/BIOS-bochs-8-processors, address=0xf0000
73#romimage: file=bios/P4SMT, address=0xf0000
74
75#=======================================================================
76# MEGS
77# set this to the default number of Megabytes of memory you want
78# to emulate. You may also pass the '-megs xyz' option to bochs
79#
80# The default is 32MB, most OS's won't need more than that.
81#=======================================================================
82#megs: 256
83#megs: 128
84#megs: 64
85megs: 32
86#megs: 16
87#megs: 8
88
89#=======================================================================
90# OPTROMIMAGE[1-4]:
91# You may now load up to 4 optional ROM images. Be sure to use a
92# read-only area, typically between C8000 and EFFFF. These optional
93# ROM images should not overwrite the rombios (located at
94# F0000-FFFFF) and the videobios (located at C0000-C7FFF).
95# Those ROM images will be initialized by the bios if they contain
96# the right signature (0x55AA).
97# It can also be a convenient way to upload some arbitary code/data
98# in the simulation, that can be retrieved by the boot loader
99#=======================================================================
100#optromimage1: file=optionalrom.bin, address=0xd0000
101#optromimage2: file=optionalrom.bin, address=0xd1000
102#optromimage3: file=optionalrom.bin, address=0xd2000
103#optromimage4: file=optionalrom.bin, address=0xd3000
104
105#=======================================================================
106# VGAROMIMAGE
107# You now need to load a VGA ROM BIOS into C0000.
108#=======================================================================
109vgaromimage: $BXSHARE/VGABIOS-lgpl-latest
110#vgaromimage: bios/VGABIOS-elpin-2.40
111#vgaromimage: $BXSHARE/VGABIOS-elpin-2.40
112
113#=======================================================================
114# FLOPPYA:
115# Point this to pathname of floppy image file or device
116# This should be of a bootable floppy(image/device) if you're
117# booting from 'a'.
118#
119# You can set the initial status of the media to 'ejected' or 'inserted'.
120# floppya: 2_88=path, status=ejected (2.88M 3.5" floppy)
121# floppya: 1_44=path, status=inserted (1.44M 3.5" floppy)
122# floppya: 1_2=path, status=ejected (1.2M 5.25" floppy)
123# floppya: 720k=path, status=inserted (720K 3.5" floppy)
124# floppya: 360k=path, status=inserted (360K 5.25" floppy)
125# floppya: 320k=path, status=inserted (320K 5.25" floppy)
126# floppya: 180k=path, status=inserted (180K 5.25" floppy)
127# floppya: 160k=path, status=inserted (160K 5.25" floppy)
128#
129# The path should be the name of a disk image file. On unix, you can use
130# a raw device name such as /dev/fd0 on Linux. On WinNT and Win2k, use
131# drive letters such as a: or b: as the path. Raw floppy access is not
132# supported on Windows 95 and 98.
133#=======================================================================
134floppya: 1_44=image.boot, status=inserted
135#floppya: 1_44=/dev/fd0, status=inserted
136
137#=======================================================================
138# FLOPPYB:
139# See FLOPPYA above for syntax
140#=======================================================================
141#floppyb: 1_44=b:, status=inserted
142#floppyb: 1_44=b.img, status=inserted
143
144#=======================================================================
145# ATA0, ATA1, ATA2, ATA3
146# ATA controller for hard disks and cdroms
147#
148# ata[0-3]: enabled=[0|1], ioaddr1=addr, ioaddr2=addr, irq=number
149#
150# These options enables up to 4 ata channels. For each channel
151# the two base io addresses and the irq must be specified.
152#
153# ata0 is enabled by default, with ioaddr1=0x1f0, ioaddr2=0x3f0, irq=14
154#
155# Examples:
156# ata0: enabled=1, ioaddr1=0x1f0, ioaddr2=0x3f0, irq=14
157# ata1: enabled=1, ioaddr1=0x170, ioaddr2=0x370, irq=15
158# ata2: enabled=1, ioaddr1=0x1e8, ioaddr2=0x3e0, irq=11
159# ata3: enabled=1, ioaddr1=0x168, ioaddr2=0x360, irq=9
160#=======================================================================
161ata0: enabled=1, ioaddr1=0x1f0, ioaddr2=0x3f0, irq=14
162ata1: enabled=0, ioaddr1=0x170, ioaddr2=0x370, irq=15
163ata2: enabled=0, ioaddr1=0x1e8, ioaddr2=0x3e0, irq=11
164ata3: enabled=0, ioaddr1=0x168, ioaddr2=0x360, irq=9
165
166#=======================================================================
167# ATA[0-3]-MASTER, ATA[0-3]-SLAVE
168#
169# This defines the type and characteristics of all attached ata devices:
170# type= type of attached device [disk|cdrom]
171# mode= only valid for disks [flat|concat|external|dll|sparse|vmware3]
172# mode= only valid for disks [undoable|growing|volatile]
173# path= path of the image
174# cylinders= only valid for disks
175# heads= only valid for disks
176# spt= only valid for disks
177# status= only valid for cdroms [inserted|ejected]
178# biosdetect= type of biosdetection [none|auto], only for disks on ata0 [cmos]
179# translation=type of transation of the bios, only for disks [none|lba|large|rechs|auto]
180# model= string returned by identify device command
181# journal= optional filename of the redolog for undoable and volatile disks
182#
183# Point this at a hard disk image file, cdrom iso file, or physical cdrom
184# device. To create a hard disk image, try running bximage. It will help you
185# choose the size and then suggest a line that works with it.
186#
187# In UNIX it may be possible to use a raw device as a Bochs hard disk,
188# but WE DON'T RECOMMEND IT. In Windows there is no easy way.
189#
190# In windows, the drive letter + colon notation should be used for cdroms.
191# Depending on versions of windows and drivers, you may only be able to
192# access the "first" cdrom in the system. On MacOSX, use path="drive"
193# to access the physical drive.
194#
195# The path, cylinders, heads, and spt are mandatory for type=disk
196# The path is mandatory for type=cdrom
197#
198# Default values are:
199# mode=flat, biosdetect=auto, translation=auto, model="Generic 1234"
200#
201# The biosdetect option has currently no effect on the bios
202#
203# Examples:
204# ata0-master: type=disk, mode=flat, path=10M.sample, cylinders=306, heads=4, spt=17
205# ata0-slave: type=disk, mode=flat, path=20M.sample, cylinders=615, heads=4, spt=17
206# ata1-master: type=disk, mode=flat, path=30M.sample, cylinders=615, heads=6, spt=17
207# ata1-slave: type=disk, mode=flat, path=46M.sample, cylinders=940, heads=6, spt=17
208# ata2-master: type=disk, mode=flat, path=62M.sample, cylinders=940, heads=8, spt=17
209# ata2-slave: type=disk, mode=flat, path=112M.sample, cylinders=900, heads=15, spt=17
210# ata3-master: type=disk, mode=flat, path=483M.sample, cylinders=1024, heads=15, spt=63
211# ata3-slave: type=cdrom, path=iso.sample, status=inserted
212#=======================================================================
213#ata0-master: type=disk, mode=flat, path="30M.sample", cylinders=615, heads=6, spt=17
214#ata0-slave: type=cdrom, path=D:, status=inserted
215#ata0-slave: type=cdrom, path=/dev/cdrom, status=inserted
216#ata0-slave: type=cdrom, path="drive", status=inserted
217#ata0-slave: type=cdrom, path=/dev/rcd0d, status=inserted
218
219#=======================================================================
220# BOOT:
221# This defines your boot drive.
222# You can either boot from 'floppy', 'disk' or 'cdrom'
223# legacy 'a' and 'c' are also supported
224# Examples:
225# boot: floppy
226# boot: disk
227# boot: cdrom
228# boot: c
229# boot: a
230#=======================================================================
231boot: floppy
232#boot: disk
233
234#=======================================================================
235# IPS:
236# Emulated Instructions Per Second. This is the number of IPS that bochs
237# is capable of running on your machine. Read the note in config.h
238# on how to find this. Make sure to recompile after.
239#
240# IPS is used to calibrate many time-dependent events within the bochs
241# simulation. For example, changing IPS affects the frequency of VGA
242# updates, the duration of time before a key starts to autorepeat, and
243# the measurement of BogoMips and other benchmarks.
244#
245# Examples:
246# Machine Mips
247# ________________________________________________________________
248# 650Mhz Athlon K-7 with Linux 2.4.4/egcs-2.91.66 2 to 2.5 Mips
249# 400Mhz Pentium II with Linux 2.0.36/egcs-1.0.3 1 to 1.8 Mips
250# 166Mhz 64bit Sparc with Solaris 2.x approx 0.75 Mips
251# 200Mhz Pentium with Linux 2.x approx 0.5 Mips
252#
253#=======================================================================
254ips: 2500000
255
256#=======================================================================
257# CLOCK:
258# This defines the parameters of the clock inside Bochs:
259#
260# SYNC:
261# TO BE COMPLETED (see Greg explaination in bug #536329)
262#
263# TIME0:
264# Specifies the start (boot) time of the virtual machine. Use a time
265# value as returned by the time(2) system call. If no time0 value is
266# set or if time0 equal to 1 (special case) or if time0 equal 'local',
267# the simulation will be started at the current local host time.
268# If time0 equal to 2 (special case) or if time0 equal 'utc',
269# the simulation will be started at the current utc time.
270#
271# Syntax:
272# clock: sync=[none|slowdown|realtime], time0=[timeValue|local|utc]
273#
274# Example:
275# clock: sync=none, time0=local # Now (localtime)
276# clock: sync=slowdown, time0=315529200 # Tue Jan 1 00:00:00 1980
277# clock: sync=none, time0=631148400 # Mon Jan 1 00:00:00 1990
278# clock: sync=realtime, time0=938581955 # Wed Sep 29 07:12:35 1999
279# clock: sync=realtime, time0=946681200 # Sat Jan 1 00:00:00 2000
280# clock: sync=none, time0=1 # Now (localtime)
281# clock: sync=none, time0=utc # Now (utc/gmt)
282#
283# Default value are sync=none, time0=local
284#=======================================================================
285clock: sync=none, time0=local
286
287
288#=======================================================================
289# FLOPPY_BOOTSIG_CHECK: disabled=[0|1]
290# Enables or disables the 0xaa55 signature check on boot floppies
291# Defaults to disabled=0
292# Examples:
293# floppy_bootsig_check: disabled=0
294# floppy_bootsig_check: disabled=1
295#=======================================================================
296#floppy_bootsig_check: disabled=1
297floppy_bootsig_check: disabled=1
298
299#=======================================================================
300# LOG:
301# Give the path of the log file you'd like Bochs debug and misc. verbage
302# to be written to. If you really don't want it, make it /dev/null. :^(
303#
304# Examples:
305# log: ./bochs.out
306# log: /dev/tty
307#=======================================================================
308#log: /dev/null
309log: bochsout.txt
310
311#=======================================================================
312# LOGPREFIX:
313# This handles the format of the string prepended to each log line.
314# You may use those special tokens :
315# %t : 11 decimal digits timer tick
316# %i : 8 hexadecimal digits of cpu0 current eip
317# %e : 1 character event type ('i'nfo, 'd'ebug, 'p'anic, 'e'rror)
318# %d : 5 characters string of the device, between brackets
319#
320# Default : %t%e%d
321# Examples:
322# logprefix: %t-%e-@%i-%d
323# logprefix: %i%e%d
324#=======================================================================
325#logprefix: %t%e%d
326
327#=======================================================================
328# LOG CONTROLS
329#
330# Bochs now has four severity levels for event logging.
331# panic: cannot proceed. If you choose to continue after a panic,
332# don't be surprised if you get strange behavior or crashes.
333# error: something went wrong, but it is probably safe to continue the
334# simulation.
335# info: interesting or useful messages.
336# debug: messages useful only when debugging the code. This may
337# spit out thousands per second.
338#
339# For events of each level, you can choose to crash, report, or ignore.
340# TODO: allow choice based on the facility: e.g. crash on panics from
341# everything except the cdrom, and only report those.
342#
343# If you are experiencing many panics, it can be helpful to change
344# the panic action to report instead of fatal. However, be aware
345# that anything executed after a panic is uncharted territory and can
346# cause bochs to become unstable. The panic is a "graceful exit," so
347# if you disable it you may get a spectacular disaster instead.
348#=======================================================================
349panic: action=report
350error: action=report
351info: action=report
352debug: action=ignore
353#pass: action=fatal
354
355#=======================================================================
356# DEBUGGER_LOG:
357# Give the path of the log file you'd like Bochs to log debugger output.
358# If you really don't want it, make it /dev/null or '-'. :^(
359#
360# Examples:
361# debugger_log: ./debugger.out
362#=======================================================================
363#debugger_log: /dev/null
364#debugger_log: debugger.out
365debugger_log: -
366
367#=======================================================================
368# COM1:
369# This defines a serial port (UART type 16550A). You can specify a device
370# to use as com1. This can be a real serial line, or a pty. To use a pty
371# (under X/Unix), create two windows (xterms, usually). One of them will
372# run bochs, and the other will act as com1. Find out the tty the com1
373# window using the `tty' command, and use that as the `dev' parameter.
374# Then do `sleep 1000000' in the com1 window to keep the shell from
375# messing with things, and run bochs in the other window. Serial I/O to
376# com1 (port 0x3f8) will all go to the other window.
377#=======================================================================
378#com1: enabled=1, dev=/dev/ttyp9
379
380
381#=======================================================================
382# PARPORT1:
383# This defines a parallel (printer) port. When turned on and an output file is
384# defined the emulated printer port sends characters printed by the guest OS
385# into the output file. On some platforms a device filename can be used to
386# send the data to the real parallel port (e.g. "/dev/lp0" on Linux, "lpt1" on
387# win32 platforms).
388#
389# Examples:
390# parport1: enabled=1, file="parport.out"
391# parport1: enabled=1, file="/dev/lp0"
392# parport1: enabled=0
393#=======================================================================
394parport1: enabled=1, file="parport.out"
395
396#=======================================================================
397# SB16:
398# This defines the SB16 sound emulation. It can have several of the
399# following properties.
400# All properties are in the format sb16: property=value
401# midi: The filename is where the midi data is sent. This can be a
402# device or just a file if you want to record the midi data.
403# midimode:
404# 0=no data
405# 1=output to device (system dependent. midi denotes the device driver)
406# 2=SMF file output, including headers
407# 3=output the midi data stream to the file (no midi headers and no
408# delta times, just command and data bytes)
409# wave: This is the device/file where wave output is stored
410# wavemode:
411# 0=no data
412# 1=output to device (system dependent. wave denotes the device driver)
413# 2=VOC file output, incl. headers
414# 3=output the raw wave stream to the file
415# log: The file to write the sb16 emulator messages to.
416# loglevel:
417# 0=no log
418# 1=only midi program and bank changes
419# 2=severe errors
420# 3=all errors
421# 4=all errors plus all port accesses
422# 5=all errors and port accesses plus a lot of extra info
423# dmatimer:
424# microseconds per second for a DMA cycle. Make it smaller to fix
425# non-continous sound. 750000 is usually a good value. This needs a
426# reasonably correct setting for IPS.
427#
428# For an example look at the next line:
429#=======================================================================
430
431#sb16: midimode=1, midi=/dev/midi00, wavemode=1, wave=/dev/dsp, loglevel=2, log=sb16.log, dmatimer=600000
432
433#=======================================================================
434# VGA_UPDATE_INTERVAL:
435# Video memory is scanned for updates and screen updated every so many
436# virtual seconds. The default is 300000, about 3Hz. This is generally
437# plenty. Keep in mind that you must tweak the 'ips:' directive
438# to be as close to the number of emulated instructions-per-second
439# your workstation can do, for this to be accurate.
440#
441# Examples:
442# vga_update_interval: 250000
443#=======================================================================
444vga_update_interval: 300000
445
446# using for Winstone '98 tests
447#vga_update_interval: 100000
448
449#=======================================================================
450# KEYBOARD_SERIAL_DELAY:
451# Approximate time in microseconds that it takes one character to
452# be transfered from the keyboard to controller over the serial path.
453# Examples:
454# keyboard_serial_delay: 200
455#=======================================================================
456keyboard_serial_delay: 250
457
458#=======================================================================
459# KEYBOARD_PASTE_DELAY:
460# Approximate time in microseconds between attempts to paste
461# characters to the keyboard controller. This leaves time for the
462# guest os to deal with the flow of characters. The ideal setting
463# depends on how your operating system processes characters. The
464# default of 100000 usec (.1 seconds) was chosen because it works
465# consistently in Windows.
466#
467# If your OS is losing characters during a paste, increase the paste
468# delay until it stops losing characters.
469#
470# Examples:
471# keyboard_paste_delay: 100000
472#=======================================================================
473keyboard_paste_delay: 100000
474
475#=======================================================================
476# FLOPPY_COMMAND_DELAY:
477# Time in microseconds to wait before completing some floppy commands
478# such as read/write/seek/etc, which normally have a delay associated.
479# I had this hardwired to 50,000 before.
480#
481# Examples:
482# floppy_command_delay: 50000
483#=======================================================================
484floppy_command_delay: 500
485
486#=======================================================================
487# MOUSE:
488# This option prevents Bochs from creating mouse "events" unless a mouse
489# is enabled. The hardware emulation itself is not disabled by this.
490# You can turn the mouse on by setting enabled to 1, or turn it off by
491# setting enabled to 0. Unless you have a particular reason for enabling
492# the mouse by default, it is recommended that you leave it off.
493# You can also toggle the mouse usage at runtime (middle mouse button on
494# X11 and SDL, F12 on Win32).
495#
496# Examples:
497# mouse: enabled=1
498# mouse: enabled=0
499#=======================================================================
500mouse: enabled=0
501
502#=======================================================================
503# private_colormap: Request that the GUI create and use it's own
504# non-shared colormap. This colormap will be used
505# when in the bochs window. If not enabled, a
506# shared colormap scheme may be used. Not implemented
507# on all GUI's.
508#
509# Examples:
510# private_colormap: enabled=1
511# private_colormap: enabled=0
512#=======================================================================
513private_colormap: enabled=0
514
515#=======================================================================
516# fullscreen: ONLY IMPLEMENTED ON AMIGA
517# Request that Bochs occupy the entire screen instead of a
518# window.
519#
520# Examples:
521# fullscreen: enabled=0
522# fullscreen: enabled=1
523#=======================================================================
524#fullscreen: enabled=0
525#screenmode: name="sample"
526
527#=======================================================================
528# ne2k: NE2000 compatible ethernet adapter
529#
530# Examples:
531# ne2k: ioaddr=IOADDR, irq=IRQ, mac=MACADDR, ethmod=MODULE, ethdev=DEVICE, script=SCRIPT
532#
533# ioaddr, irq: You probably won't need to change ioaddr and irq, unless there
534# are IRQ conflicts.
535#
536# mac: The MAC address MUST NOT match the address of any machine on the net.
537# Also, the first byte must be an even number (bit 0 set means a multicast
538# address), and you cannot use ff:ff:ff:ff:ff:ff because that's the broadcast
539# address. For the ethertap module, you must use fe:fd:00:00:00:01. There may
540# be other restrictions too. To be safe, just use the b0:c4... address.
541#
542# ethdev: The ethdev value is the name of the network interface on your host
543# platform. On UNIX machines, you can get the name by running ifconfig. On
544# Windows machines, you must run niclist to get the name of the ethdev.
545# Niclist source code is in misc/niclist.c and it is included in Windows
546# binary releases.
547#
548# script: The script value is optionnal, and is the name of a script that
549# is executed after bochs initialize the network interface. You can use
550# this script to configure this network interface, or enable masquerading.
551# This is mainly useful for the tun/tap devices that only exist during
552# Bochs execution. The network interface name is supplied to the script
553# as first parameter
554#=======================================================================
555# ne2k: ioaddr=0x240, irq=9, mac=fe:fd:00:00:00:01, ethmod=fbsd, ethdev=en0 #macosx
556# ne2k: ioaddr=0x240, irq=9, mac=b0:c4:20:00:00:00, ethmod=fbsd, ethdev=xl0
557# ne2k: ioaddr=0x240, irq=9, mac=b0:c4:20:00:00:00, ethmod=linux, ethdev=eth0
558# ne2k: ioaddr=0x240, irq=9, mac=b0:c4:20:00:00:01, ethmod=win32, ethdev=MYCARD
559# ne2k: ioaddr=0x240, irq=9, mac=fe:fd:00:00:00:01, ethmod=tap, ethdev=tap0
560# ne2k: ioaddr=0x240, irq=9, mac=fe:fd:00:00:00:01, ethmod=tuntap, ethdev=tun0, script=./tunconfig
561
562#=======================================================================
563# KEYBOARD_MAPPING:
564# This enables a remap of a physical localized keyboard to a
565# virtualized us keyboard, as the PC architecture expects.
566# If enabled, the keymap file must be specified.
567#
568# Examples:
569# keyboard_mapping: enabled=1, map=gui/keymaps/x11-pc-de.map
570#=======================================================================
571keyboard_mapping: enabled=0, map=
572
573#=======================================================================
574# KEYBOARD_TYPE:
575# Type of keyboard return by a "identify keyboard" command to the
576# keyboard controler. It must be one of "xt", "at" or "mf".
577# Defaults to "mf". It should be ok for almost everybody. A known
578# exception is french macs, that do have a "at"-like keyboard.
579#
580# Examples:
581# keyboard_type: mf
582#=======================================================================
583#keyboard_type: mf
584
585#=======================================================================
586# USER_SHORTCUT:
587# This defines the keyboard shortcut to be sent when you press the "user"
588# button in the headerbar. The shortcut string can be a combination of
589# these key names: "alt", "bksp", "ctrl", "del", "esc", "f1", "f4", "tab"
590# and "win". Up to 3 keys can be pressed at a time.
591#
592# Example:
593# user_shortcut: keys=ctrlaltdel
594#=======================================================================
595#user_shortcut: keys=ctrlaltdel
596
597#=======================================================================
598# other stuff
599#=======================================================================
600#magic_break: enabled=1
601#cmosimage: cmos.img
602#load32bitOSImage: os=nullkernel, path=../kernel.img, iolog=../vga_io.log
603#load32bitOSImage: os=linux, path=../linux.img, iolog=../vga_io.log, initrd=../initrd.img
604#i440fxsupport: enabled=1
605usb1: enabled=1, ioaddr=0xFF80, irq=10
606#text_snapshot_check: enable
607
608#=======================================================================
609# for Macintosh, use the style of pathnames in the following
610# examples.
611#
612# vgaromimage: :bios:VGABIOS-elpin-2.40
613# romimage: file=:bios:BIOS-bochs-latest, address=0xf0000
614# floppya: 1_44=[fd:], status=inserted
615#=======================================================================
616
617
618#=======================================================================
619#
620# The following directives are DEPRECATED
621# Please convert them to the new syntax or remove them
622#
623#=======================================================================
624
625#=======================================================================
626#
627# The DISKC option is deprecated. Use ATA* options instead.
628#
629# DISKC: file=, cyl=, heads=, spt=
630# Point this at a hard disk image file. To create
631# a hard disk image, try running bximage. It will help you choose the
632# size and then suggest a diskc line that works with it.
633#
634# In UNIX it may be possible to use a raw device as a Bochs hard disk,
635# but WE DON'T RECOMMEND IT. In Windows there is no easy way.
636#
637# Examples:
638# diskc: file=10M.sample, cyl=306, heads=4, spt=17
639# diskc: file=20M.sample, cyl=615, heads=4, spt=17
640# diskc: file=30M.sample, cyl=615, heads=6, spt=17
641# diskc: file=46M.sample, cyl=940, heads=6, spt=17
642# diskc: file=62M.sample, cyl=940, heads=8, spt=17
643# diskc: file=112M.sample, cyl=900, heads=15, spt=17
644# diskc: file=483M.sample, cyl=1024, heads=15, spt=63
645#=======================================================================
646#diskc: file="30M.sample", cyl=615, heads=6, spt=17
647
648#=======================================================================
649#
650# The DISKD option is deprecated. Use ATA* options instead.
651#
652# DISKD:
653# See DISKC above for syntax
654#
655# NOTE: diskd and cdromd must not be used together!
656#=======================================================================
657#diskd: file="diskd.img", cyl=615, heads=6, spt=17
658
659#=======================================================================
660#
661# The CDROMD option is deprecated. Use ATA* options instead.
662#
663# CDROMD:
664#
665# cdromd: dev=/dev/cdrom, status=inserted
666# cdromd: dev=/dev/cdrom, status=ejected
667# cdromd: dev=e:, status=ejected
668#
669# In windows, the drive letter + colon notation should be used for cdroms.
670# Depending on versions of windows and drivers, you may only be able to
671# access the "first" cdrom in the system. On MacOSX, use path="drive"
672# to access the physical drive.
673#
674# NOTE: diskd and cdromd must not be used together!
675#=======================================================================
676#cdromd: dev=D:, status=inserted
677#cdromd: dev=/dev/cdrom, status=inserted
678#cdromd: dev="drive", status=inserted
679
680#=======================================================================
681#
682# The TIME0 directive is DEPRECATED. Use the CLOCK directive instead
683#
684# TIME0:
685# Specifies the start (boot) time of the virtual machine. Use a time
686# value as returned by the time(2) system call. If no time0 value is
687# set or if time0 equal to 1 (special case), the simulation will be
688# started at the current time of the host.
689#
690# Examples:
691# time0: 1 # Now
692# time0: 315529200 # Tue Jan 1 00:00:00 1980
693# time0: 631148400 # Mon Jan 1 00:00:00 1990
694# time0: 938581955 # Wed Sep 29 07:12:35 1999
695# time0: 946681200 # Sat Jan 1 00:00:00 2000
696#=======================================================================
697#time0: 938581955
698
699#=======================================================================
700#
701# The PIT directive is DEPRECATED. Use the CLOCK directive instead
702#
703# PIT:
704# The PIT is the programmable interval timer. It has an option that tries to
705# keep the PIT in sync with real time. This feature is still experimental,
706# but it may be useful if you want to prevent Bochs from running too fast, for
707# example a DOS video game. Be aware that with the realtime pit option, your
708# simulation will not be repeatable; this can a problem if you are debugging.
709#=======================================================================
710#pit: realtime=1
711
712#=======================================================================
713# NEWHARDDRIVESUPPORT: enabled=[0|1]
714# The old harddrive code is not maintened any more.
715# Default value is enabled=1
716#=======================================================================
717#newharddrivesupport: enabled=1
718
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