[OpenBIOS] Booting SunOS from OpenBIOS

Artyom Tarasenko atar4qemu at gmail.com
Tue Mar 26 09:33:56 CET 2013

Hi Mark,

[adding the OpenBIOS mailing list, hoping to get some more feedback]

by the way, currently Jean Michel has to use the proprietary OBP.
There seems to be a problem with loading the SunOS 4.x under OpenBIOS:

$  sparc-softmmu/qemu-system-sparc -L pc-bios -nographic -hda disk-solaris-1.1.2

Configuration device id QEMU version 1 machine id 32
CPUs: 1 x FMI,MB86904
UUID: 00000000-0000-0000-0000-000000000000
Welcome to OpenBIOS v1.0 built on Aug 19 2012 13:36
  Type 'help' for detailed information
Trying disk...
Not a bootable ELF image
Loading a.out image...
Loaded 7680 bytes
entry point is 0x4000
bootpath: /iommu/sbus/espdma/esp/sd at 0,0

Jumping to entry point 00004000 for type 00000005...
switching to new context:
Unhandled Exception 0x00000007
PC = 0x00401a04 NPC = 0x00401a08
Stopping execution

Is the OpenBIOS guess correct and SunOS 4.x actually does have an a.out loader?


Artyom Tarasenko

solaris/sparc under qemu blog: http://tyom.blogspot.com/search/label/qemu

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