removed outdated info
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2130 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard
parent
60659e3b44
commit
ee0f47514c
156
qemu-doc.texi
156
qemu-doc.texi
@ -1115,9 +1115,8 @@ contained in @file{qemu-ifup} can be executed as root. You must verify
|
||||
that your host kernel supports the TAP network interfaces: the
|
||||
device @file{/dev/net/tun} must be present.
|
||||
|
||||
See @ref{direct_linux_boot} to have an example of network use with a
|
||||
Linux distribution and @ref{sec_invocation} to have examples of
|
||||
command lines using the TAP network interfaces.
|
||||
See @ref{sec_invocation} to have examples of command lines using the
|
||||
TAP network interfaces.
|
||||
|
||||
@subsection Using the user mode network stack
|
||||
|
||||
@ -1167,146 +1166,31 @@ basic example.
|
||||
|
||||
This section explains how to launch a Linux kernel inside QEMU without
|
||||
having to make a full bootable image. It is very useful for fast Linux
|
||||
kernel testing. The QEMU network configuration is also explained.
|
||||
kernel testing.
|
||||
|
||||
@enumerate
|
||||
@item
|
||||
Download the archive @file{linux-test-xxx.tar.gz} containing a Linux
|
||||
kernel and a disk image.
|
||||
|
||||
@item Optional: If you want network support (for example to launch X11 examples), you
|
||||
must copy the script @file{qemu-ifup} in @file{/etc} and configure
|
||||
properly @code{sudo} so that the command @code{ifconfig} contained in
|
||||
@file{qemu-ifup} can be executed as root. You must verify that your host
|
||||
kernel supports the TUN/TAP network interfaces: the device
|
||||
@file{/dev/net/tun} must be present.
|
||||
|
||||
When network is enabled, there is a virtual network connection between
|
||||
the host kernel and the emulated kernel. The emulated kernel is seen
|
||||
from the host kernel at IP address 172.20.0.2 and the host kernel is
|
||||
seen from the emulated kernel at IP address 172.20.0.1.
|
||||
|
||||
@item Launch @code{qemu.sh}. You should have the following output:
|
||||
|
||||
@smallexample
|
||||
> ./qemu.sh
|
||||
Connected to host network interface: tun0
|
||||
Linux version 2.4.21 (bellard@@voyager.localdomain) (gcc version 3.2.2 20030222 @/(Red Hat @/Linux 3.2.2-5)) #5 Tue Nov 11 18:18:53 CET 2003
|
||||
BIOS-provided physical RAM map:
|
||||
BIOS-e801: 0000000000000000 - 000000000009f000 (usable)
|
||||
BIOS-e801: 0000000000100000 - 0000000002000000 (usable)
|
||||
32MB LOWMEM available.
|
||||
On node 0 totalpages: 8192
|
||||
zone(0): 4096 pages.
|
||||
zone(1): 4096 pages.
|
||||
zone(2): 0 pages.
|
||||
Kernel command line: root=/dev/hda sb=0x220,5,1,5 ide2=noprobe ide3=noprobe ide4=noprobe @/ide5=noprobe console=ttyS0
|
||||
ide_setup: ide2=noprobe
|
||||
ide_setup: ide3=noprobe
|
||||
ide_setup: ide4=noprobe
|
||||
ide_setup: ide5=noprobe
|
||||
Initializing CPU#0
|
||||
Detected 2399.621 MHz processor.
|
||||
Console: colour EGA 80x25
|
||||
Calibrating delay loop... 4744.80 BogoMIPS
|
||||
Memory: 28872k/32768k available (1210k kernel code, 3508k reserved, 266k data, 64k init, @/0k highmem)
|
||||
Dentry cache hash table entries: 4096 (order: 3, 32768 bytes)
|
||||
Inode cache hash table entries: 2048 (order: 2, 16384 bytes)
|
||||
Mount cache hash table entries: 512 (order: 0, 4096 bytes)
|
||||
Buffer-cache hash table entries: 1024 (order: 0, 4096 bytes)
|
||||
Page-cache hash table entries: 8192 (order: 3, 32768 bytes)
|
||||
CPU: Intel Pentium Pro stepping 03
|
||||
Checking 'hlt' instruction... OK.
|
||||
POSIX conformance testing by UNIFIX
|
||||
Linux NET4.0 for Linux 2.4
|
||||
Based upon Swansea University Computer Society NET3.039
|
||||
Initializing RT netlink socket
|
||||
apm: BIOS not found.
|
||||
Starting kswapd
|
||||
Journalled Block Device driver loaded
|
||||
Detected PS/2 Mouse Port.
|
||||
pty: 256 Unix98 ptys configured
|
||||
Serial driver version 5.05c (2001-07-08) with no serial options enabled
|
||||
ttyS00 at 0x03f8 (irq = 4) is a 16450
|
||||
ne.c:v1.10 9/23/94 Donald Becker (becker@@scyld.com)
|
||||
Last modified Nov 1, 2000 by Paul Gortmaker
|
||||
NE*000 ethercard probe at 0x300: 52 54 00 12 34 56
|
||||
eth0: NE2000 found at 0x300, using IRQ 9.
|
||||
RAMDISK driver initialized: 16 RAM disks of 4096K size 1024 blocksize
|
||||
Uniform Multi-Platform E-IDE driver Revision: 7.00beta4-2.4
|
||||
ide: Assuming 50MHz system bus speed for PIO modes; override with idebus=xx
|
||||
hda: QEMU HARDDISK, ATA DISK drive
|
||||
ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
|
||||
hda: attached ide-disk driver.
|
||||
hda: 20480 sectors (10 MB) w/256KiB Cache, CHS=20/16/63
|
||||
Partition check:
|
||||
hda:
|
||||
Soundblaster audio driver Copyright (C) by Hannu Savolainen 1993-1996
|
||||
NET4: Linux TCP/IP 1.0 for NET4.0
|
||||
IP Protocols: ICMP, UDP, TCP, IGMP
|
||||
IP: routing cache hash table of 512 buckets, 4Kbytes
|
||||
TCP: Hash tables configured (established 2048 bind 4096)
|
||||
NET4: Unix domain sockets 1.0/SMP for Linux NET4.0.
|
||||
EXT2-fs warning: mounting unchecked fs, running e2fsck is recommended
|
||||
VFS: Mounted root (ext2 filesystem).
|
||||
Freeing unused kernel memory: 64k freed
|
||||
|
||||
Linux version 2.4.21 (bellard@@voyager.localdomain) (gcc version 3.2.2 20030222 @/(Red Hat @/Linux 3.2.2-5)) #5 Tue Nov 11 18:18:53 CET 2003
|
||||
|
||||
QEMU Linux test distribution (based on Redhat 9)
|
||||
|
||||
Type 'exit' to halt the system
|
||||
|
||||
sh-2.05b#
|
||||
@end smallexample
|
||||
|
||||
@item
|
||||
Then you can play with the kernel inside the virtual serial console. You
|
||||
can launch @code{ls} for example. Type @key{Ctrl-a h} to have an help
|
||||
about the keys you can type inside the virtual serial console. In
|
||||
particular, use @key{Ctrl-a x} to exit QEMU and use @key{Ctrl-a b} as
|
||||
the Magic SysRq key.
|
||||
|
||||
@item
|
||||
If the network is enabled, launch the script @file{/etc/linuxrc} in the
|
||||
emulator (don't forget the leading dot):
|
||||
The syntax is:
|
||||
@example
|
||||
. /etc/linuxrc
|
||||
qemu -kernel arch/i386/boot/bzImage -hda root-2.4.20.img -append "root=/dev/hda"
|
||||
@end example
|
||||
|
||||
Then enable X11 connections on your PC from the emulated Linux:
|
||||
Use @option{-kernel} to provide the Linux kernel image and
|
||||
@option{-append} to give the kernel command line arguments. The
|
||||
@option{-initrd} option can be used to provide an INITRD image.
|
||||
|
||||
When using the direct Linux boot, a disk image for the first hard disk
|
||||
@file{hda} is required because its boot sector is used to launch the
|
||||
Linux kernel.
|
||||
|
||||
If you do not need graphical output, you can disable it and redirect
|
||||
the virtual serial port and the QEMU monitor to the console with the
|
||||
@option{-nographic} option. The typical command line is:
|
||||
@example
|
||||
xhost +172.20.0.2
|
||||
qemu -kernel arch/i386/boot/bzImage -hda root-2.4.20.img \
|
||||
-append "root=/dev/hda console=ttyS0" -nographic
|
||||
@end example
|
||||
|
||||
You can now launch @file{xterm} or @file{xlogo} and verify that you have
|
||||
a real Virtual Linux system !
|
||||
|
||||
@end enumerate
|
||||
|
||||
NOTES:
|
||||
@enumerate
|
||||
@item
|
||||
A 2.5.74 kernel is also included in the archive. Just
|
||||
replace the bzImage in qemu.sh to try it.
|
||||
|
||||
@item
|
||||
In order to exit cleanly from qemu, you can do a @emph{shutdown} inside
|
||||
qemu. qemu will automatically exit when the Linux shutdown is done.
|
||||
|
||||
@item
|
||||
You can boot slightly faster by disabling the probe of non present IDE
|
||||
interfaces. To do so, add the following options on the kernel command
|
||||
line:
|
||||
@example
|
||||
ide1=noprobe ide2=noprobe ide3=noprobe ide4=noprobe ide5=noprobe
|
||||
@end example
|
||||
|
||||
@item
|
||||
The example disk image is a modified version of the one made by Kevin
|
||||
Lawton for the plex86 Project (@url{www.plex86.org}).
|
||||
|
||||
@end enumerate
|
||||
Use @key{Ctrl-a c} to switch between the serial console and the
|
||||
monitor (@pxref{pcsys_keys}).
|
||||
|
||||
@node pcsys_usb
|
||||
@section USB emulation
|
||||
|
||||
Loading…
Reference in New Issue
Block a user