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Last modification on 2020-04-18

This describes how to setup an OpenBSD SPARC64 VM in QEMU.

To create a 5GB disk image:

qemu-img create -f qcow2 fs.qcow2 5G

In this guide we'll use the installation ISO to install OpenBSD. Make sure to

download the latest (stable) OpenBSD ISO, for example install62.iso.

* Change -boot c to -boot d to boot from the CD-ROM and do a clean install.

* Change -cdrom install62.iso to the location of your ISO file.

* When the install is done type: halt -p

* Change -boot d back to -boot c.

Start the VM:

#!/bin/sh

LC_ALL=C QEMU_AUDIO_DRV=none

qemu-system-sparc64

-machine sun4u,usb=off

-realtime mlock=off

-smp 1,sockets=1,cores=1,threads=1

-rtc base=utc

-m 1024

-boot c

-drive file=fs.qcow2,if=none,id=drive-ide0-0-1,format=qcow2,cache=none

-cdrom install62.iso

-device ide-hd,bus=ide.0,unit=0,drive=drive-ide0-0-1,id=ide0-0-1

-msg timestamp=on

-serial pty -nographic

-net nic,model=ne2k_pci -net user

The VM has the following properties:

* No audio.

* No USB.

* No VGA graphics: serial console.

* Netdev is ne0 (Realtek 8029).

* 1024MB memory.

From your host connect to the serial device indicated by QEMU, for example:

(qemu) 2017-11-19T15:14:20.884312Z qemu-system-sparc64: -serial pty: char device redirected to /dev/ttyp0 (label serial0)

Then you can use the serial terminal emulator **cu** to attach:

cu -l /dev/ttyp0

Another option could be using the »simple terminal(st)« from suckless.

st -l /dev/ttyp0

using cu to detach the »cu(1) man page« says:

Typed characters are normally transmitted directly to the remote machine (which

does the echoing as well). A tilde ('~') appearing as the first character of a

line is an escape signal; the following are recognized:

~^D or ~. Drop the connection and exit. Only the connection is

the login session is not terminated.

On boot you have to type:

root device: wd0a

for swap use the default (wd0b) Press enter

Automatic network configuration using DHCP

echo 'dhcp' > /etc/hostname.ne0

To bring up the interface (will be automatic on the next boot):

sh /etc/netstart

Add a mirror to /etc/installurl for package installation. Make sure to lookup

the most efficient/nearby mirror site on the OpenBSD mirror page.

echo 'https://ftp.hostserver.de/pub/OpenBSD' > /etc/installurl

you're on codemadness.org^70/1/phlog/openbsd-sparc64-vm

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