[OpenBIOS] Booting SunOS from OpenBIOS

[Lennart Sorensen]

On Tue, Mar 26, 2013 at 08:28:58PM +0100, Artyom Tarasenko wrote:
> That would explain it, but are you sure that was already so in the
> SunOS 4.x times?
> 
> $ dd if=sunos.img of=sunos4.bb bs=512 skip=1 count=15
> 15+0 records in
> 15+0 records out
> 7680 bytes (7.7 kB) copied, 6.3956e-05 s, 120 MB/s
> $  file sunos4.bb
> sunos4.bb: sparc executable not stripped
> $  sparc64-linux-gnu-objdump -x sunos4.bb
> 
> sunos4.bb:     file format a.out-sunos-big
> sunos4.bb
> architecture: sparc, flags 0x0000003e:
> EXEC_P, HAS_LINENO, HAS_DEBUG, HAS_SYMS, HAS_LOCALS
> start address 0x00440000
> 
> Sections:
> Idx Name          Size      VMA               LMA               File off  Algn
>   0 .text         00001a58  00000000  00000000  00000020  2**3
>                   CONTENTS, ALLOC, LOAD, CODE
>   1 .data         00000310  00001a58  00001a58  00001a78  2**3
>                   CONTENTS, ALLOC, LOAD, DATA
>   2 .bss          0000c588  00001d68  00001d68  00000000  2**3
>                   ALLOC
> sparc64-linux-gnu-objdump: sunos4.bb: File truncated

The boot file for sunos4 at http://chris.shenton.org/sysadm/xterminals/
is a 110336 byte a.out binary by the looks of it.

I am not sure if all sun machines used openboot with forth.  Anyone know?

-- 
Len Sorensen