Re: A few Decstation questions.

[Len Sorensen <lsorense@opengraphics.com>]

On Wed, Apr 09, 2003 at 04:20:23PM +0200, Guido Guenther wrote:
> The attached example is an atomic add and should give an illegal
> instruction on mips1 CPUs for which we don't emulate ll/sc in the
> kernel.

dec:~# ./llsctest
0xce9dae9f + 0x10101010 =  0xdeadbeaf
dec:~# cat /proc/cpuinfo
system type             : Digital DECstation 5000/1xx
processor               : 0
cpu model               : R3000A V3.0  FPU V4.0
BogoMIPS                : 32.75
byteorder               : little endian
wait instruction        : no
microsecond timers      : no
tlb_entries             : 64
extra interrupt vector  : no
hardware watchpoint     : no
VCED exceptions         : not available
VCEI exceptions         : not available
ll emulations           : 1
sc emulations           : 1

Yay!

So .7 works.  .6 did not.  As expected I suppose.

Excelent work!  I can upgrade to testing or unstable now to play with
new stuff.

Len Sorensen