From 041f01e60106dcc9d64f4a82ab11236c589dc264 Mon Sep 17 00:00:00 2001 From: Michael Brown Date: Wed, 22 Sep 2010 14:19:25 +0100 Subject: [contrib] Add contrib/vm, containing utilities from old contrib/bochs Signed-off-by: Michael Brown --- contrib/vm/.gitignore | 6 + contrib/vm/Makefile | 7 + contrib/vm/bochs-writable-ROM-patch | 15 + contrib/vm/bochsrc.txt | 750 ++++++++++++++++++++++++++++++++++++ contrib/vm/serial-console | 278 +++++++++++++ contrib/vm/serial-console.1 | 190 +++++++++ 6 files changed, 1246 insertions(+) create mode 100644 contrib/vm/.gitignore create mode 100644 contrib/vm/Makefile create mode 100644 contrib/vm/bochs-writable-ROM-patch create mode 100644 contrib/vm/bochsrc.txt create mode 100755 contrib/vm/serial-console create mode 100644 contrib/vm/serial-console.1 (limited to 'contrib') diff --git a/contrib/vm/.gitignore b/contrib/vm/.gitignore new file mode 100644 index 00000000..610792ed --- /dev/null +++ b/contrib/vm/.gitignore @@ -0,0 +1,6 @@ +bochsout.txt +parport.out +ne2k-tx.log +ne2k-txdump.txt +bochs +qemu diff --git a/contrib/vm/Makefile b/contrib/vm/Makefile new file mode 100644 index 00000000..3c0e645a --- /dev/null +++ b/contrib/vm/Makefile @@ -0,0 +1,7 @@ +all : serial-console.1 + +%.1 : % + pod2man $< > $@ + +clean : + rm -f serial-console.1 diff --git a/contrib/vm/bochs-writable-ROM-patch b/contrib/vm/bochs-writable-ROM-patch new file mode 100644 index 00000000..dc586dde --- /dev/null +++ b/contrib/vm/bochs-writable-ROM-patch @@ -0,0 +1,15 @@ +--- memory/memory.cc 18 Oct 2008 18:10:14 -0000 1.71 ++++ memory/memory.cc 21 Oct 2008 19:47:07 -0000 +@@ -172,7 +172,11 @@ + break; + + case 0x0: // Writes to ROM, Inhibit +- BX_DEBUG(("Write to ROM ignored: address 0x" FMT_PHY_ADDRX ", data %02x", a20addr, *data_ptr)); ++ if ((a20addr & 0xfffe0000) == 0x000e0000) { ++ BX_DEBUG(("Write to ROM ignored: address 0x" FMT_PHY_ADDRX ", data %02x", a20addr, *data_ptr)); ++ } else { ++ BX_MEM_THIS rom[(a20addr & EXROM_MASK) + BIOSROMSZ] = *data_ptr; ++ } + break; + + default: diff --git a/contrib/vm/bochsrc.txt b/contrib/vm/bochsrc.txt new file mode 100644 index 00000000..9bacd741 --- /dev/null +++ b/contrib/vm/bochsrc.txt @@ -0,0 +1,750 @@ +# You may now use double quotes around pathnames, in case +# your pathname includes spaces. + +#======================================================================= +# CONFIG_INTERFACE +# +# The configuration interface is a series of menus or dialog boxes that +# allows you to change all the settings that control Bochs's behavior. +# There are two choices of configuration interface: a text mode version +# called "textconfig" and a graphical version called "wx". The text +# mode version uses stdin/stdout and is always compiled in. The graphical +# version is only available when you use "--with-wx" on the configure +# command. If you do not write a config_interface line, Bochs will +# choose a default for you. +# +# NOTE: if you use the "wx" configuration interface, you must also use +# the "wx" display library. +#======================================================================= +#config_interface: textconfig +#config_interface: wx + +#======================================================================= +# DISPLAY_LIBRARY +# +# The display library is the code that displays the Bochs VGA screen. Bochs +# has a selection of about 10 different display library implementations for +# different platforms. If you run configure with multiple --with-* options, +# the display_library command lets you choose which one you want to run with. +# If you do not write a display_library line, Bochs will choose a default for +# you. +# +# The choices are: +# x use X windows interface, cross platform +# win32 use native win32 libraries +# carbon use Carbon library (for MacOS X) +# beos use native BeOS libraries +# macintosh use MacOS pre-10 +# amigaos use native AmigaOS libraries +# sdl use SDL library, cross platform +# svga use SVGALIB library for Linux, allows graphics without X11 +# term text only, uses curses/ncurses library, cross platform +# rfb provides an interface to AT&T's VNC viewer, cross platform +# wx use wxWidgets library, cross platform +# nogui no display at all +# +# NOTE: if you use the "wx" configuration interface, you must also use +# the "wx" display library. +# +# Specific options: +# Some display libraries now support specific option to control their +# behaviour. See the examples below for currently supported options. +#======================================================================= +#display_library: amigaos +#display_library: beos +#display_library: carbon +#display_library: macintosh +#display_library: nogui +#display_library: rfb, options="timeout=60" # time to wait for client +#display_library: sdl, options="fullscreen" # startup in fullscreen mode +#display_library: term +#display_library: win32, options="legacyF12" # use F12 to toggle mouse +#display_library: wx +#display_library: x + +#======================================================================= +# ROMIMAGE: +# The ROM BIOS controls what the PC does when it first powers on. +# Normally, you can use a precompiled BIOS in the source or binary +# distribution called BIOS-bochs-latest. The ROM BIOS is usually loaded +# starting at address 0xf0000, and it is exactly 64k long. +# You can also use the environment variable $BXSHARE to specify the +# location of the BIOS. +# The usage of external large BIOS images (up to 512k) at memory top is +# now supported, but we still recommend to use the BIOS distributed with +# Bochs. Now the start address can be calculated from image size. +#======================================================================= +romimage: file=bochs/bios/BIOS-bochs-latest, address=0xe0000 +#romimage: file=mybios.bin, address=0xfff80000 # 512k at memory top +#romimage: file=mybios.bin # calculate start address from image size + +#======================================================================= +# CPU: +# This defines cpu-related parameters inside Bochs: +# +# COUNT: +# Set the number of processors:cores per processor:threads per core +# when Bochs is compiled for SMP emulation. +# Bochs currently supports up to 8 threads running simultaniosly. +# If Bochs is compiled without SMP support, it won't accept values +# different from 1. +# +# RESET_ON_TRIPLE_FAULT: +# Reset the CPU when triple fault occur (highly recommended) rather than +# PANIC. Remember that if you trying to continue after triple fault the +# simulation will be completely bogus ! +# +# IPS: +# Emulated Instructions Per Second. This is the number of IPS that bochs +# is capable of running on your machine. You can recompile Bochs with +# --enable-show-ips option enabled, to find your workstation's capability. +# Measured IPS value will then be logged into your log file or status bar +# (if supported by the gui). +# +# IPS is used to calibrate many time-dependent events within the bochs +# simulation. For example, changing IPS affects the frequency of VGA +# updates, the duration of time before a key starts to autorepeat, and +# the measurement of BogoMips and other benchmarks. +# +# Examples: +# Machine Mips +# ________________________________________________________________ +# 2.1Ghz Athlon XP with Linux 2.6/g++ 3.4 12 to 15 Mips +# 1.6Ghz Intel P4 with Win2000/g++ 3.3 5 to 7 Mips +# 650Mhz Athlon K-7 with Linux 2.4.4/egcs-2.91.66 2 to 2.5 Mips +# 400Mhz Pentium II with Linux 2.0.36/egcs-1.0.3 1 to 1.8 Mips +#======================================================================= +cpu: count=1, ips=10000000, reset_on_triple_fault=1 + +#======================================================================= +# MEGS +# Set the number of Megabytes of physical memory you want to emulate. +# The default is 32MB, most OS's won't need more than that. +# The maximum amount of memory supported is 2048Mb. +#======================================================================= +#megs: 256 +#megs: 128 +#megs: 64 +megs: 32 +#megs: 16 +#megs: 8 + +#======================================================================= +# OPTROMIMAGE[1-4]: +# You may now load up to 4 optional ROM images. Be sure to use a +# read-only area, typically between C8000 and EFFFF. These optional +# ROM images should not overwrite the rombios (located at +# F0000-FFFFF) and the videobios (located at C0000-C7FFF). +# Those ROM images will be initialized by the bios if they contain +# the right signature (0x55AA) and a valid checksum. +# It can also be a convenient way to upload some arbitrary code/data +# in the simulation, that can be retrieved by the boot loader +#======================================================================= +#optromimage1: file=optionalrom.bin, address=0xd0000 +#optromimage2: file=optionalrom.bin, address=0xd1000 +#optromimage3: file=optionalrom.bin, address=0xd2000 +#optromimage4: file=optionalrom.bin, address=0xd3000 +optromimage1: file=../../src/bin/pnic.rom, address=0xd0000 +#optromimage1: file=../../src/bin/rtl8029.rom, address=0xd0000 + +#optramimage1: file=/path/file1.img, address=0x0010000 +#optramimage2: file=/path/file2.img, address=0x0020000 +#optramimage3: file=/path/file3.img, address=0x0030000 +#optramimage4: file=/path/file4.img, address=0x0040000 + +#======================================================================= +# VGAROMIMAGE +# You now need to load a VGA ROM BIOS into C0000. +#======================================================================= +#vgaromimage: file=bios/VGABIOS-elpin-2.40 +vgaromimage: file=bochs/bios/VGABIOS-lgpl-latest +#vgaromimage: file=bios/VGABIOS-lgpl-latest-cirrus + +#======================================================================= +# VGA: +# Here you can specify the display extension to be used. With the value +# 'none' you can use standard VGA with no extension. Other supported +# values are 'vbe' for Bochs VBE and 'cirrus' for Cirrus SVGA support. +#======================================================================= +#vga: extension=cirrus +#vga: extension=vbe +vga: extension=none + +#======================================================================= +# FLOPPYA: +# Point this to pathname of floppy image file or device +# This should be of a bootable floppy(image/device) if you're +# booting from 'a' (or 'floppy'). +# +# You can set the initial status of the media to 'ejected' or 'inserted'. +# floppya: 2_88=path, status=ejected (2.88M 3.5" floppy) +# floppya: 1_44=path, status=inserted (1.44M 3.5" floppy) +# floppya: 1_2=path, status=ejected (1.2M 5.25" floppy) +# floppya: 720k=path, status=inserted (720K 3.5" floppy) +# floppya: 360k=path, status=inserted (360K 5.25" floppy) +# floppya: 320k=path, status=inserted (320K 5.25" floppy) +# floppya: 180k=path, status=inserted (180K 5.25" floppy) +# floppya: 160k=path, status=inserted (160K 5.25" floppy) +# floppya: image=path, status=inserted (guess type from image size) +# +# The path should be the name of a disk image file. On Unix, you can use a raw +# device name such as /dev/fd0 on Linux. On win32 platforms, use drive letters +# such as a: or b: as the path. The parameter 'image' works with image files +# only. In that case the size must match one of the supported types. +#======================================================================= +#floppya: 1_44=/dev/fd0, status=inserted +#floppya: image=../1.44, status=inserted +#floppya: 1_44=/dev/fd0H1440, status=inserted +#floppya: 1_2=../1_2, status=inserted +#floppya: 1_44=a:, status=inserted +#floppya: 1_44=a.img, status=inserted +#floppya: 1_44=/dev/rfd0a, status=inserted +floppya: 1_44=../../src/bin/pnic.dsk, status=inserted + +#======================================================================= +# FLOPPYB: +# See FLOPPYA above for syntax +#======================================================================= +#floppyb: 1_44=b:, status=inserted +floppyb: 1_44=b.img, status=inserted + +#======================================================================= +# ATA0, ATA1, ATA2, ATA3 +# ATA controller for hard disks and cdroms +# +# ata[0-3]: enabled=[0|1], ioaddr1=addr, ioaddr2=addr, irq=number +# +# These options enables up to 4 ata channels. For each channel +# the two base io addresses and the irq must be specified. +# +# ata0 and ata1 are enabled by default with the values shown below +# +# Examples: +# ata0: enabled=1, ioaddr1=0x1f0, ioaddr2=0x3f0, irq=14 +# ata1: enabled=1, ioaddr1=0x170, ioaddr2=0x370, irq=15 +# ata2: enabled=1, ioaddr1=0x1e8, ioaddr2=0x3e0, irq=11 +# ata3: enabled=1, ioaddr1=0x168, ioaddr2=0x360, irq=9 +#======================================================================= +ata0: enabled=1, ioaddr1=0x1f0, ioaddr2=0x3f0, irq=14 +ata1: enabled=1, ioaddr1=0x170, ioaddr2=0x370, irq=15 +ata2: enabled=0, ioaddr1=0x1e8, ioaddr2=0x3e0, irq=11 +ata3: enabled=0, ioaddr1=0x168, ioaddr2=0x360, irq=9 + +#======================================================================= +# ATA[0-3]-MASTER, ATA[0-3]-SLAVE +# +# This defines the type and characteristics of all attached ata devices: +# type= type of attached device [disk|cdrom] +# mode= only valid for disks [flat|concat|external|dll|sparse|vmware3] +# mode= only valid for disks [undoable|growing|volatile] +# path= path of the image +# cylinders= only valid for disks +# heads= only valid for disks +# spt= only valid for disks +# status= only valid for cdroms [inserted|ejected] +# biosdetect= type of biosdetection [none|auto], only for disks on ata0 [cmos] +# translation=type of translation of the bios, only for disks [none|lba|large|rechs|auto] +# model= string returned by identify device command +# journal= optional filename of the redolog for undoable and volatile disks +# +# Point this at a hard disk image file, cdrom iso file, or physical cdrom +# device. To create a hard disk image, try running bximage. It will help you +# choose the size and then suggest a line that works with it. +# +# In UNIX it may be possible to use a raw device as a Bochs hard disk, +# but WE DON'T RECOMMEND IT. In Windows there is no easy way. +# +# In windows, the drive letter + colon notation should be used for cdroms. +# Depending on versions of windows and drivers, you may only be able to +# access the "first" cdrom in the system. On MacOSX, use path="drive" +# to access the physical drive. +# +# The path is always mandatory. For flat hard disk images created with +# bximage geometry autodetection can be used (cylinders=0 -> cylinders are +# calculated using heads=16 and spt=63). For other hard disk images and modes +# the cylinders, heads, and spt are mandatory. +# +# Default values are: +# mode=flat, biosdetect=auto, translation=auto, model="Generic 1234" +# +# The biosdetect option has currently no effect on the bios +# +# Examples: +# ata0-master: type=disk, mode=flat, path=10M.sample, cylinders=306, heads=4, spt=17 +# ata0-slave: type=disk, mode=flat, path=20M.sample, cylinders=615, heads=4, spt=17 +# ata1-master: type=disk, mode=flat, path=30M.sample, cylinders=615, heads=6, spt=17 +# ata1-slave: type=disk, mode=flat, path=46M.sample, cylinders=940, heads=6, spt=17 +# ata2-master: type=disk, mode=flat, path=62M.sample, cylinders=940, heads=8, spt=17 +# ata2-slave: type=disk, mode=flat, path=112M.sample, cylinders=900, heads=15, spt=17 +# ata3-master: type=disk, mode=flat, path=483M.sample, cylinders=1024, heads=15, spt=63 +# ata3-slave: type=cdrom, path=iso.sample, status=inserted +#======================================================================= +#ata0-master: type=disk, mode=flat, path="30M.sample", cylinders=615, heads=6, spt=17 +#ata0-slave: type=cdrom, path=D:, status=inserted +#ata0-slave: type=cdrom, path=/dev/cdrom, status=inserted +#ata0-slave: type=cdrom, path="drive", status=inserted +#ata0-slave: type=cdrom, path=/dev/rcd0d, status=inserted + +#======================================================================= +# BOOT: +# This defines the boot sequence. Now you can specify up to 3 boot drives. +# You can either boot from 'floppy', 'disk' or 'cdrom' +# legacy 'a' and 'c' are also supported +# Examples: +# boot: floppy +# boot: disk +# boot: cdrom +# boot: c +# boot: a +# boot: cdrom, floppy, disk +#======================================================================= +#boot: floppy +#boot: disk + +#======================================================================= +# CLOCK: +# This defines the parameters of the clock inside Bochs: +# +# SYNC: +# TO BE COMPLETED (see Greg explanation in feature request #536329) +# +# TIME0: +# Specifies the start (boot) time of the virtual machine. Use a time +# value as returned by the time(2) system call. If no time0 value is +# set or if time0 equal to 1 (special case) or if time0 equal 'local', +# the simulation will be started at the current local host time. +# If time0 equal to 2 (special case) or if time0 equal 'utc', +# the simulation will be started at the current utc time. +# +# Syntax: +# clock: sync=[none|slowdown|realtime|both], time0=[timeValue|local|utc] +# +# Example: +# clock: sync=none, time0=local # Now (localtime) +# clock: sync=slowdown, time0=315529200 # Tue Jan 1 00:00:00 1980 +# clock: sync=none, time0=631148400 # Mon Jan 1 00:00:00 1990 +# clock: sync=realtime, time0=938581955 # Wed Sep 29 07:12:35 1999 +# clock: sync=realtime, time0=946681200 # Sat Jan 1 00:00:00 2000 +# clock: sync=none, time0=1 # Now (localtime) +# clock: sync=none, time0=utc # Now (utc/gmt) +# +# Default value are sync=none, time0=local +#======================================================================= +#clock: sync=none, time0=local + + +#======================================================================= +# FLOPPY_BOOTSIG_CHECK: disabled=[0|1] +# Enables or disables the 0xaa55 signature check on boot floppies +# Defaults to disabled=0 +# Examples: +# floppy_bootsig_check: disabled=0 +# floppy_bootsig_check: disabled=1 +#======================================================================= +#floppy_bootsig_check: disabled=1 +floppy_bootsig_check: disabled=0 + +#======================================================================= +# LOG: +# Give the path of the log file you'd like Bochs debug and misc. verbiage +# to be written to. If you don't use this option or set the filename to +# '-' the output is written to the console. If you really don't want it, +# make it "/dev/null" (Unix) or "nul" (win32). :^( +# +# Examples: +# log: ./bochs.out +# log: /dev/tty +#======================================================================= +#log: /dev/null +log: bochsout.txt + +#======================================================================= +# LOGPREFIX: +# This handles the format of the string prepended to each log line. +# You may use those special tokens : +# %t : 11 decimal digits timer tick +# %i : 8 hexadecimal digits of cpu current eip (ignored in SMP configuration) +# %e : 1 character event type ('i'nfo, 'd'ebug, 'p'anic, 'e'rror) +# %d : 5 characters string of the device, between brackets +# +# Default : %t%e%d +# Examples: +# logprefix: %t-%e-@%i-%d +# logprefix: %i%e%d +#======================================================================= +#logprefix: %t%e%d + +#======================================================================= +# LOG CONTROLS +# +# Bochs now has four severity levels for event logging. +# panic: cannot proceed. If you choose to continue after a panic, +# don't be surprised if you get strange behavior or crashes. +# error: something went wrong, but it is probably safe to continue the +# simulation. +# info: interesting or useful messages. +# debug: messages useful only when debugging the code. This may +# spit out thousands per second. +# +# For events of each level, you can choose to crash, report, or ignore. +# TODO: allow choice based on the facility: e.g. crash on panics from +# everything except the cdrom, and only report those. +# +# If you are experiencing many panics, it can be helpful to change +# the panic action to report instead of fatal. However, be aware +# that anything executed after a panic is uncharted territory and can +# cause bochs to become unstable. The panic is a "graceful exit," so +# if you disable it you may get a spectacular disaster instead. +#======================================================================= +panic: action=ask +error: action=report +info: action=report +debug: action=ignore +#pass: action=fatal + +#======================================================================= +# DEBUGGER_LOG: +# Give the path of the log file you'd like Bochs to log debugger output. +# If you really don't want it, make it /dev/null or '-'. :^( +# +# Examples: +# debugger_log: ./debugger.out +#======================================================================= +#debugger_log: /dev/null +#debugger_log: debugger.out +debugger_log: - + +#======================================================================= +# COM1, COM2, COM3, COM4: +# This defines a serial port (UART type 16550A). In the 'term' you can specify +# a device to use as com1. This can be a real serial line, or a pty. To use +# a pty (under X/Unix), create two windows (xterms, usually). One of them will +# run bochs, and the other will act as com1. Find out the tty the com1 +# window using the `tty' command, and use that as the `dev' parameter. +# Then do `sleep 1000000' in the com1 window to keep the shell from +# messing with things, and run bochs in the other window. Serial I/O to +# com1 (port 0x3f8) will all go to the other window. +# Other serial modes are 'null' (no input/output), 'file' (output to a file +# specified as the 'dev' parameter), 'raw' (use the real serial port - under +# construction for win32), 'mouse' (standard serial mouse - requires +# mouse option setting 'type=serial' or 'type=serial_wheel') and 'socket' +# (connect a networking socket). +# +# Examples: +# com1: enabled=1, mode=null +# com1: enabled=1, mode=mouse +# com2: enabled=1, mode=file, dev=serial.out +# com3: enabled=1, mode=raw, dev=com1 +# com3: enabled=1, mode=socket, dev=localhost:8888 +#======================================================================= +#com1: enabled=1, mode=term, dev=/dev/ttyp9 + + +#======================================================================= +# PARPORT1, PARPORT2: +# This defines a parallel (printer) port. When turned on and an output file is +# defined the emulated printer port sends characters printed by the guest OS +# into the output file. On some platforms a device filename can be used to +# send the data to the real parallel port (e.g. "/dev/lp0" on Linux, "lpt1" on +# win32 platforms). +# +# Examples: +# parport1: enabled=1, file="parport.out" +# parport2: enabled=1, file="/dev/lp0" +# parport1: enabled=0 +#======================================================================= +parport1: enabled=1, file="parport.out" + +#======================================================================= +# SB16: +# This defines the SB16 sound emulation. It can have several of the +# following properties. +# All properties are in the format sb16: property=value +# midi: The filename is where the midi data is sent. This can be a +# device or just a file if you want to record the midi data. +# midimode: +# 0=no data +# 1=output to device (system dependent. midi denotes the device driver) +# 2=SMF file output, including headers +# 3=output the midi data stream to the file (no midi headers and no +# delta times, just command and data bytes) +# wave: This is the device/file where wave output is stored +# wavemode: +# 0=no data +# 1=output to device (system dependent. wave denotes the device driver) +# 2=VOC file output, incl. headers +# 3=output the raw wave stream to the file +# log: The file to write the sb16 emulator messages to. +# loglevel: +# 0=no log +# 1=resource changes, midi program and bank changes +# 2=severe errors +# 3=all errors +# 4=all errors plus all port accesses +# 5=all errors and port accesses plus a lot of extra info +# dmatimer: +# microseconds per second for a DMA cycle. Make it smaller to fix +# non-continuous sound. 750000 is usually a good value. This needs a +# reasonably correct setting for the IPS parameter of the CPU option. +# +# For an example look at the next line: +#======================================================================= + +#sb16: midimode=1, midi=/dev/midi00, wavemode=1, wave=/dev/dsp, loglevel=2, log=sb16.log, dmatimer=600000 + +#======================================================================= +# VGA_UPDATE_INTERVAL: +# Video memory is scanned for updates and screen updated every so many +# virtual seconds. The default is 40000, about 25Hz. Keep in mind that +# you must tweak the 'cpu: ips=N' directive to be as close to the number +# of emulated instructions-per-second your workstation can do, for this +# to be accurate. +# +# Examples: +# vga_update_interval: 250000 +#======================================================================= +vga_update_interval: 300000 + +# using for Winstone '98 tests +#vga_update_interval: 100000 + +#======================================================================= +# KEYBOARD_SERIAL_DELAY: +# Approximate time in microseconds that it takes one character to +# be transfered from the keyboard to controller over the serial path. +# Examples: +# keyboard_serial_delay: 200 +#======================================================================= +keyboard_serial_delay: 250 + +#======================================================================= +# KEYBOARD_PASTE_DELAY: +# Approximate time in microseconds between attempts to paste +# characters to the keyboard controller. This leaves time for the +# guest os to deal with the flow of characters. The ideal setting +# depends on how your operating system processes characters. The +# default of 100000 usec (.1 seconds) was chosen because it works +# consistently in Windows. +# +# If your OS is losing characters during a paste, increase the paste +# delay until it stops losing characters. +# +# Examples: +# keyboard_paste_delay: 100000 +#======================================================================= +keyboard_paste_delay: 100000 + +#======================================================================= +# MOUSE: +# This option prevents Bochs from creating mouse "events" unless a mouse +# is enabled. The hardware emulation itself is not disabled by this. +# You can turn the mouse on by setting enabled to 1, or turn it off by +# setting enabled to 0. Unless you have a particular reason for enabling +# the mouse by default, it is recommended that you leave it off. +# You can also toggle the mouse usage at runtime (control key + middle +# mouse button on X11, SDL, wxWidgets and Win32). +# With the mouse type option you can select the type of mouse to emulate. +# The default value is 'ps2'. The other choices are 'imps2' (wheel mouse +# on PS/2), 'serial', 'serial_wheel' (one com port requires setting +# 'mode=mouse') and 'usb' (3-button mouse - one of the USB ports must be +# connected with the 'mouse' device - requires PCI and USB support). +# +# Examples: +# mouse: enabled=1 +# mouse: enabled=1, type=imps2 +# mouse: enabled=1, type=serial +# mouse: enabled=0 +#======================================================================= +mouse: enabled=0 + +#======================================================================= +# private_colormap: Request that the GUI create and use it's own +# non-shared colormap. This colormap will be used +# when in the bochs window. If not enabled, a +# shared colormap scheme may be used. Not implemented +# on all GUI's. +# +# Examples: +# private_colormap: enabled=1 +# private_colormap: enabled=0 +#======================================================================= +private_colormap: enabled=0 + +#======================================================================= +# fullscreen: ONLY IMPLEMENTED ON AMIGA +# Request that Bochs occupy the entire screen instead of a +# window. +# +# Examples: +# fullscreen: enabled=0 +# fullscreen: enabled=1 +#======================================================================= +#fullscreen: enabled=0 +#screenmode: name="sample" + +#======================================================================= +# ne2k: NE2000 compatible ethernet adapter +# +# Examples: +# ne2k: ioaddr=IOADDR, irq=IRQ, mac=MACADDR, ethmod=MODULE, ethdev=DEVICE, script=SCRIPT +# +# ioaddr, irq: You probably won't need to change ioaddr and irq, unless there +# are IRQ conflicts. +# +# mac: The MAC address MUST NOT match the address of any machine on the net. +# Also, the first byte must be an even number (bit 0 set means a multicast +# address), and you cannot use ff:ff:ff:ff:ff:ff because that's the broadcast +# address. For the ethertap module, you must use fe:fd:00:00:00:01. There may +# be other restrictions too. To be safe, just use the b0:c4... address. +# +# ethdev: The ethdev value is the name of the network interface on your host +# platform. On UNIX machines, you can get the name by running ifconfig. On +# Windows machines, you must run niclist to get the name of the ethdev. +# Niclist source code is in misc/niclist.c and it is included in Windows +# binary releases. +# +# script: The script value is optional, and is the name of a script that +# is executed after bochs initialize the network interface. You can use +# this script to configure this network interface, or enable masquerading. +# This is mainly useful for the tun/tap devices that only exist during +# Bochs execution. The network interface name is supplied to the script +# as first parameter +# +# If you don't want to make connections to any physical networks, +# you can use the following 'ethmod's to simulate a virtual network. +# null: All packets are discarded, but logged to a few files. +# arpback: ARP is simulated. Disabled by default. +# vde: Virtual Distributed Ethernet +# vnet: ARP, ICMP-echo(ping), DHCP and read/write TFTP are simulated. +# The virtual host uses 192.168.10.1. +# DHCP assigns 192.168.10.2 to the guest. +# TFTP uses the ethdev value for the root directory and doesn't +# overwrite files. +# +#======================================================================= +# ne2k: ioaddr=0x240, irq=9, mac=fe:fd:00:00:00:01, ethmod=fbsd, ethdev=en0 #macosx +# ne2k: ioaddr=0x240, irq=9, mac=b0:c4:20:00:00:00, ethmod=fbsd, ethdev=xl0 +# ne2k: ioaddr=0x240, irq=9, mac=b0:c4:20:00:00:00, ethmod=linux, ethdev=eth0 +# ne2k: ioaddr=0x240, irq=9, mac=b0:c4:20:00:00:01, ethmod=win32, ethdev=MYCARD +# ne2k: ioaddr=0x240, irq=9, mac=fe:fd:00:00:00:01, ethmod=tap, ethdev=tap0 +# ne2k: ioaddr=0x240, irq=9, mac=fe:fd:00:00:00:01, ethmod=tuntap, ethdev=/dev/net/tun0, script=./tunconfig +# ne2k: ioaddr=0x240, irq=9, mac=b0:c4:20:00:00:01, ethmod=null, ethdev=eth0 +# ne2k: ioaddr=0x240, irq=9, mac=b0:c4:20:00:00:01, ethmod=vde, ethdev="/tmp/vde.ctl" +# ne2k: ioaddr=0x240, irq=9, mac=b0:c4:20:00:00:01, ethmod=vnet, ethdev="c:/temp" +pnic: mac=fe:fd:00:00:00:01, ethmod=tuntap, ethdev=/dev/net/tun:tap0 +#ne2k: ioaddr=0x240, irq=9, mac=fe:fd:00:00:00:01, ethmod=tuntap, ethdev=/dev/net/tun:tap0 + +#======================================================================= +# KEYBOARD_MAPPING: +# This enables a remap of a physical localized keyboard to a +# virtualized us keyboard, as the PC architecture expects. +# If enabled, the keymap file must be specified. +# +# Examples: +# keyboard_mapping: enabled=1, map=gui/keymaps/x11-pc-de.map +#======================================================================= +keyboard_mapping: enabled=0, map= + +#======================================================================= +# KEYBOARD_TYPE: +# Type of keyboard return by a "identify keyboard" command to the +# keyboard controler. It must be one of "xt", "at" or "mf". +# Defaults to "mf". It should be ok for almost everybody. A known +# exception is french macs, that do have a "at"-like keyboard. +# +# Examples: +# keyboard_type: mf +#======================================================================= +#keyboard_type: mf + +#======================================================================= +# USER_SHORTCUT: +# This defines the keyboard shortcut to be sent when you press the "user" +# button in the headerbar. The shortcut string is a combination of maximum +# 3 key names (listed below) separated with a '-' character. The old-style +# syntax (without the '-') still works for the key combinations supported +# in Bochs 2.2.1. +# Valid key names: +# "alt", "bksl", "bksp", "ctrl", "del", "down", "end", "enter", "esc", +# "f1", ... "f12", "home", "ins", "left", "menu", "minus", "pgdwn", "pgup", +# "plus", "right", "shift", "space", "tab", "up", and "win". +# +# Example: +# user_shortcut: keys=ctrl-alt-del +#======================================================================= +user_shortcut: keys=ctrl-alt-del + +#======================================================================= +# I440FXSUPPORT: +# This option controls the presence of the i440FX PCI chipset. You can +# also specify the devices connected to PCI slots. Up to 5 slots are +# available now. These devices are currently supported: ne2k, pcivga, +# pcidev and pcipnic. If Bochs is compiled with Cirrus SVGA support +# you'll have the additional choice 'cirrus'. +# +# Example: +# i440fxsupport: enabled=1, slot1=pcivga, slot2=ne2k +#======================================================================= +i440fxsupport: enabled=1, slot1=pcipnic +#i440fxsupport: enabled=1, slot1=ne2k + +#======================================================================= +# USB1: +# This option controls the presence of the USB root hub which is a part +# of the i440FX PCI chipset. With the portX option you can connect devices +# to the hub (currently supported: 'mouse' and 'keypad'). If you connect +# the mouse to one of the ports and use the mouse option 'type=usb' you'll +# have a 3-button USB mouse. +# +# Example: +# usb1: enabled=1, port1=mouse, port2=keypad +#======================================================================= +#usb1: enabled=1 + +#======================================================================= +# CMOSIMAGE: +# This defines image file that can be loaded into the CMOS RAM at startup. +# The rtc_init parameter controls whether initialize the RTC with values stored +# in the image. By default the time0 argument given to the clock option is used. +# With 'rtc_init=image' the image is the source for the initial time. +# +# Example: +# cmosimage: file=cmos.img, rtc_init=image +#======================================================================= +#cmosimage: file=cmos.img, rtc_init=time0 + +#======================================================================= +# other stuff +#======================================================================= +magic_break: enabled=1 +#load32bitOSImage: os=nullkernel, path=../kernel.img, iolog=../vga_io.log +#load32bitOSImage: os=linux, path=../linux.img, iolog=../vga_io.log, initrd=../initrd.img +#text_snapshot_check: enable + +#------------------------- +# PCI host device mapping +#------------------------- +#pcidev: vendor=0x1234, device=0x5678 + +#======================================================================= +# GDBSTUB: +# Enable GDB stub. See user documentation for details. +# Default value is enabled=0. +#======================================================================= +#gdbstub: enabled=0, port=1234, text_base=0, data_base=0, bss_base=0 + +#======================================================================= +# IPS: +# The IPS directive is DEPRECATED. Use the parameter IPS of the CPU +# directive instead. +#======================================================================= +#ips: 10000000 + +#======================================================================= +# for Macintosh, use the style of pathnames in the following +# examples. +# +# vgaromimage: :bios:VGABIOS-elpin-2.40 +# romimage: file=:bios:BIOS-bochs-latest, address=0xf0000 +# floppya: 1_44=[fd:], status=inserted +#======================================================================= diff --git a/contrib/vm/serial-console b/contrib/vm/serial-console new file mode 100755 index 00000000..5d09876e --- /dev/null +++ b/contrib/vm/serial-console @@ -0,0 +1,278 @@ +#!/usr/bin/perl -w + +=head1 NAME + +serial-console + +=head1 SYNOPSIS + +serial-console [options] + +Options: + + -h,--help Display brief help message + -v,--verbose Increase verbosity + -q,--quiet Decrease verbosity + -l,--log FILE Log output to file + -r,--rcfile FILE Modify specified bochsrc file + +=head1 DESCRIPTION + +C provides a virtual serial console for use with +Bochs. Running C creates a pseudo-tty. The master +side of this pty is made available to the user for interaction; the +slave device is written to the Bochs configuration file +(C) for use by a subsequent Bochs session. + +=head1 EXAMPLES + +=over 4 + +=item C + +Create a virtual serial console for Bochs, modify C +appropriately. + +=item C + +Create a virtual serial console for Bochs, modify C<../.bochsrc> +appropriately, log output to C. + +=back + +=head1 INVOCATION + +Before starting Bochs, run C in a different session +(e.g. a different xterm window). When you subsequently start Bochs, +anything that the emulated machine writes to its serial port will +appear in the window running C, and anything typed in +the C window will arrive on the emulated machine's +serial port. + +You do B need to rerun C afresh for each Bochs +session. + +=head1 OPTIONS + +=over 4 + +=item B<-l,--log FILE> + +Log all output (i.e. everything that is printed in the +C window) to the specified file. + +=item B<-r,--rcfile FILE> + +Modify the specified bochsrc file. The file will be updated to +contain the path to the slave side of the psuedo tty that we create. +The original file will be restored when C exits. The +default is to modify the file C in the current directory. + +To avoid modifying any bochsrc file, use C<--norcfile>. + +=back + +=cut + +use IO::Pty; +use IO::Select; +use File::Spec::Functions qw ( :ALL ); +use Getopt::Long; +use Pod::Usage; +use POSIX qw ( :termios_h ); +use strict; +use warnings; + +my $o; +my $restore_file = {}; +my $restore_termios; +use constant BLOCKSIZE => 8192; + +############################################################################## +# +# Parse command line options into options hash ($o) +# +# $o = parse_opts(); + +sub parse_opts { + # $o is the hash that will hold the options + my $o = { + verbosity => 1, + rcfile => 'bochsrc.txt', + }; + # Special handlers for some options + my $opt_handlers = { + verbose => sub { $o->{verbosity}++; }, + quiet => sub { $o->{verbosity}--; }, + help => sub { pod2usage(1); }, + norcfile => sub { delete $o->{rcfile}; }, + }; + # Merge handlers into main options hash (so that Getopt::Long can find them) + $o->{$_} = $opt_handlers->{$_} foreach keys %$opt_handlers; + # Option specifiers for Getopt::Long + my @optspec = ( 'help|h|?', + 'quiet|q+', + 'verbose|v+', + 'log|l=s', + 'rcfile|r=s', + 'norcfile', + ); + # Do option parsing + Getopt::Long::Configure ( 'bundling' ); + pod2usage("Error parsing command-line options") unless GetOptions ( + $o, @optspec ); + # Clean up $o by removing the handlers + delete $o->{$_} foreach keys %$opt_handlers; + return $o; +} + +############################################################################## +# +# Modify bochsrc file + +sub patch_bochsrc { + my $active = shift; + my $pty = shift; + + # Rename active file to backup file + ( my $vol, my $dir, my $file ) = splitpath ( $active ); + $file = '.'.$file.".serial-console"; + my $backup = catpath ( $vol, $dir, $file ); + rename $active, $backup + or die "Could not back up $active to $backup: $!\n"; + + # Derive line to be inserted + my $patch = "com1: enabled=1, mode=term, dev=$pty\n"; + + # Modify file + open my $old, "<$backup" or die "Could not open $backup: $!\n"; + open my $new, ">$active" or die "Could not open $active: $!\n"; + print $new <<"EOF"; +################################################## +# +# This file has been modified by serial-console. +# +# Do not modify this file; it will be erased when +# serial-console (pid $$) exits and will be +# replaced with the backup copy held in +# $backup. +# +################################################## + + +EOF + my $patched; + while ( my $line = <$old> ) { + if ( $line =~ /^\s*\#?\s*com1:\s*\S/ ) { + if ( ! $patched ) { + $line = $patch; + $patched = 1; + } else { + $line = '# '.$line unless $line =~ /^\s*\#/; + } + } + print $new $line; + } + print $new $patch unless $patched; + close $old; + close $new; + + return $backup; +} + +############################################################################## +# +# Attach/detach message printing and terminal settings + +sub bochs_attached { + print STDERR "Bochs attached.\n\n\n" + if $o->{verbosity} >= 1; +} + +sub bochs_detached { + print STDERR "\n\nWaiting for bochs to attach...\n" + if $o->{verbosity} >= 1; +} + +############################################################################## +# +# Main program + +$o = parse_opts(); +pod2usage(1) if @ARGV; + +# Catch signals +my $sigdie = sub { die "Exiting via signal\n"; }; +$SIG{INT} = $sigdie; + +# Create Pty, close slave side +my $pty = IO::Pty->new(); +$pty->close_slave(); +$pty->set_raw(); +print STDERR "Slave pty is ".$pty->ttyname."\n" if $o->{verbosity} >= 1; + +# Open logfile +my $log; +if ( $o->{log} ) { + open $log, ">$o->{log}" or die "Could not open $o->{log}: $!\n"; +} + +# Set up terminal +my $termios; +if ( -t STDIN ) { + $termios = POSIX::Termios->new; + $restore_termios = POSIX::Termios->new; + $termios->getattr ( fileno(STDIN) ); + $restore_termios->getattr ( fileno(STDIN) ); + $termios->setlflag ( $termios->getlflag & ~(ICANON) & ~(ECHO) ); + $termios->setiflag ( $termios->getiflag & ~(ICRNL) ); + $termios->setattr ( fileno(STDIN), TCSANOW ); +} + +# Modify bochsrc file +$restore_file = { $o->{rcfile} => + patch_bochsrc ( $o->{rcfile}, $pty->ttyname ) } + if $o->{rcfile}; + +# Start character shunt +my $attached = 1; +my $select = IO::Select->new ( \*STDIN, $pty ); +while ( 1 ) { + my %can_read = map { $_ => 1 } + $select->can_read ( $attached ? undef : 1 ); + if ( $can_read{\*STDIN} ) { + sysread ( STDIN, my $data, BLOCKSIZE ) + or die "Cannot read from STDIN: $!\n"; + $pty->syswrite ( $data ); + } + if ( $can_read{$pty} ) { + if ( $pty->sysread ( my $data, BLOCKSIZE ) ) { + # Actual data available + bochs_attached() if $attached == 0; + $attached = 1; + syswrite ( STDOUT, $data ); + $log->syswrite ( $data ) if $log; + } else { + # No data available but select() says we can read. This almost + # certainly indicates that nothing is attached to the slave. + bochs_detached() if $attached == 1; + $attached = 0; + sleep ( 1 ); + } + } else { + bochs_attached() if $attached == 0; + $attached = 1; + } +} + +END { + # Restore bochsrc file if applicable + if ( ( my $orig_file, my $backup_file ) = %$restore_file ) { + unlink $orig_file; + rename $backup_file, $orig_file; + } + # Restore terminal settings if applicable + if ( $restore_termios ) { + $restore_termios->setattr ( fileno(STDIN), TCSANOW ); + } +} diff --git a/contrib/vm/serial-console.1 b/contrib/vm/serial-console.1 new file mode 100644 index 00000000..6d19a7d9 --- /dev/null +++ b/contrib/vm/serial-console.1 @@ -0,0 +1,190 @@ +.\" Automatically generated by Pod::Man 2.22 (Pod::Simple 3.07) +.\" +.\" Standard preamble: +.\" ======================================================================== +.de Sp \" Vertical space (when we can't use .PP) +.if t .sp .5v +.if n .sp +.. +.de Vb \" Begin verbatim text +.ft CW +.nf +.ne \\$1 +.. +.de Ve \" End verbatim text +.ft R +.fi +.. +.\" Set up some character translations and predefined strings. \*(-- will +.\" give an unbreakable dash, \*(PI will give pi, \*(L" will give a left +.\" double quote, and \*(R" will give a right double quote. \*(C+ will +.\" give a nicer C++. Capital omega is used to do unbreakable dashes and +.\" therefore won't be available. \*(C` and \*(C' expand to `' in nroff, +.\" nothing in troff, for use with C<>. +.tr \(*W- +.ds C+ C\v'-.1v'\h'-1p'\s-2+\h'-1p'+\s0\v'.1v'\h'-1p' +.ie n \{\ +. ds -- \(*W- +. ds PI pi +. if (\n(.H=4u)&(1m=24u) .ds -- \(*W\h'-12u'\(*W\h'-12u'-\" diablo 10 pitch +. if (\n(.H=4u)&(1m=20u) .ds -- \(*W\h'-12u'\(*W\h'-8u'-\" diablo 12 pitch +. ds L" "" +. ds R" "" +. ds C` "" +. ds C' "" +'br\} +.el\{\ +. ds -- \|\(em\| +. ds PI \(*p +. ds L" `` +. ds R" '' +'br\} +.\" +.\" Escape single quotes in literal strings from groff's Unicode transform. +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" +.\" If the F register is turned on, we'll generate index entries on stderr for +.\" titles (.TH), headers (.SH), subsections (.SS), items (.Ip), and index +.\" entries marked with X<> in POD. Of course, you'll have to process the +.\" output yourself in some meaningful fashion. +.ie \nF \{\ +. de IX +. tm Index:\\$1\t\\n%\t"\\$2" +.. +. nr % 0 +. rr F +.\} +.el \{\ +. de IX +.. +.\} +.\" +.\" Accent mark definitions (@(#)ms.acc 1.5 88/02/08 SMI; from UCB 4.2). +.\" Fear. Run. Save yourself. No user-serviceable parts. +. \" fudge factors for nroff and troff +.if n \{\ +. ds #H 0 +. ds #V .8m +. ds #F .3m +. ds #[ \f1 +. ds #] \fP +.\} +.if t \{\ +. ds #H ((1u-(\\\\n(.fu%2u))*.13m) +. ds #V .6m +. ds #F 0 +. ds #[ \& +. ds #] \& +.\} +. \" simple accents for nroff and troff +.if n \{\ +. ds ' \& +. ds ` \& +. ds ^ \& +. ds , \& +. ds ~ ~ +. ds / +.\} +.if t \{\ +. ds ' \\k:\h'-(\\n(.wu*8/10-\*(#H)'\'\h"|\\n:u" +. ds ` \\k:\h'-(\\n(.wu*8/10-\*(#H)'\`\h'|\\n:u' +. ds ^ \\k:\h'-(\\n(.wu*10/11-\*(#H)'^\h'|\\n:u' +. ds , \\k:\h'-(\\n(.wu*8/10)',\h'|\\n:u' +. ds ~ \\k:\h'-(\\n(.wu-\*(#H-.1m)'~\h'|\\n:u' +. ds / \\k:\h'-(\\n(.wu*8/10-\*(#H)'\z\(sl\h'|\\n:u' +.\} +. \" troff and (daisy-wheel) nroff accents +.ds : \\k:\h'-(\\n(.wu*8/10-\*(#H+.1m+\*(#F)'\v'-\*(#V'\z.\h'.2m+\*(#F'.\h'|\\n:u'\v'\*(#V' +.ds 8 \h'\*(#H'\(*b\h'-\*(#H' +.ds o \\k:\h'-(\\n(.wu+\w'\(de'u-\*(#H)/2u'\v'-.3n'\*(#[\z\(de\v'.3n'\h'|\\n:u'\*(#] +.ds d- \h'\*(#H'\(pd\h'-\w'~'u'\v'-.25m'\f2\(hy\fP\v'.25m'\h'-\*(#H' +.ds D- D\\k:\h'-\w'D'u'\v'-.11m'\z\(hy\v'.11m'\h'|\\n:u' +.ds th \*(#[\v'.3m'\s+1I\s-1\v'-.3m'\h'-(\w'I'u*2/3)'\s-1o\s+1\*(#] +.ds Th \*(#[\s+2I\s-2\h'-\w'I'u*3/5'\v'-.3m'o\v'.3m'\*(#] +.ds ae a\h'-(\w'a'u*4/10)'e +.ds Ae A\h'-(\w'A'u*4/10)'E +. \" corrections for vroff +.if v .ds ~ \\k:\h'-(\\n(.wu*9/10-\*(#H)'\s-2\u~\d\s+2\h'|\\n:u' +.if v .ds ^ \\k:\h'-(\\n(.wu*10/11-\*(#H)'\v'-.4m'^\v'.4m'\h'|\\n:u' +. \" for low resolution devices (crt and lpr) +.if \n(.H>23 .if \n(.V>19 \ +\{\ +. ds : e +. ds 8 ss +. ds o a +. ds d- d\h'-1'\(ga +. ds D- D\h'-1'\(hy +. ds th \o'bp' +. ds Th \o'LP' +. ds ae ae +. ds Ae AE +.\} +.rm #[ #] #H #V #F C +.\" ======================================================================== +.\" +.IX Title "SERIAL-CONSOLE 1" +.TH SERIAL-CONSOLE 1 "2010-09-22" "perl v5.10.1" "User Contributed Perl Documentation" +.\" For nroff, turn off justification. Always turn off hyphenation; it makes +.\" way too many mistakes in technical documents. +.if n .ad l +.nh +.SH "NAME" +serial\-console +.SH "SYNOPSIS" +.IX Header "SYNOPSIS" +serial-console [options] +.PP +Options: +.PP +.Vb 5 +\& \-h,\-\-help Display brief help message +\& \-v,\-\-verbose Increase verbosity +\& \-q,\-\-quiet Decrease verbosity +\& \-l,\-\-log FILE Log output to file +\& \-r,\-\-rcfile FILE Modify specified bochsrc file +.Ve +.SH "DESCRIPTION" +.IX Header "DESCRIPTION" +\&\f(CW\*(C`serial\-console\*(C'\fR provides a virtual serial console for use with +Bochs. Running \f(CW\*(C`serial\-console\*(C'\fR creates a pseudo-tty. The master +side of this pty is made available to the user for interaction; the +slave device is written to the Bochs configuration file +(\f(CW\*(C`bochsrc.txt\*(C'\fR) for use by a subsequent Bochs session. +.SH "EXAMPLES" +.IX Header "EXAMPLES" +.ie n .IP """serial\-console""" 4 +.el .IP "\f(CWserial\-console\fR" 4 +.IX Item "serial-console" +Create a virtual serial console for Bochs, modify \f(CW\*(C`bochsrc.txt\*(C'\fR +appropriately. +.ie n .IP """serial\-console \-r ../.bochsrc \-l serial.log""" 4 +.el .IP "\f(CWserial\-console \-r ../.bochsrc \-l serial.log\fR" 4 +.IX Item "serial-console -r ../.bochsrc -l serial.log" +Create a virtual serial console for Bochs, modify \f(CW\*(C`../.bochsrc\*(C'\fR +appropriately, log output to \f(CW\*(C`serial.log\*(C'\fR. +.SH "INVOCATION" +.IX Header "INVOCATION" +Before starting Bochs, run \f(CW\*(C`serial\-console\*(C'\fR in a different session +(e.g. a different xterm window). When you subsequently start Bochs, +anything that the emulated machine writes to its serial port will +appear in the window running \f(CW\*(C`serial\-console\*(C'\fR, and anything typed in +the \f(CW\*(C`serial\-console\*(C'\fR window will arrive on the emulated machine's +serial port. +.PP +You do \fBnot\fR need to rerun \f(CW\*(C`serial\-console\*(C'\fR afresh for each Bochs +session. +.SH "OPTIONS" +.IX Header "OPTIONS" +.IP "\fB\-l,\-\-log \s-1FILE\s0\fR" 4 +.IX Item "-l,--log FILE" +Log all output (i.e. everything that is printed in the +\&\f(CW\*(C`serial\-console\*(C'\fR window) to the specified file. +.IP "\fB\-r,\-\-rcfile \s-1FILE\s0\fR" 4 +.IX Item "-r,--rcfile FILE" +Modify the specified bochsrc file. The file will be updated to +contain the path to the slave side of the psuedo tty that we create. +The original file will be restored when \f(CW\*(C`serial\-console\*(C'\fR exits. The +default is to modify the file \f(CW\*(C`bochsrc.txt\*(C'\fR in the current directory. +.Sp +To avoid modifying any bochsrc file, use \f(CW\*(C`\-\-norcfile\*(C'\fR. -- cgit v1.2.3-55-g7522