Sandsifter software finds hidden instructions inside processors.

[MRAB]

On 2017-10-23 23:50, skybuck2000 at hotmail.com wrote:
> Question:
> 
> What do the letters
> 
> #                               v  l  s  c
> 
> Stand for in this source code ?
> 
> v = not valid/valid
> l = length
> s = ?
> c = ?
> 
> If somebody with lots of python experience could dive into this code and then tell me I'd be most gratefull ! :)
> 
> 
> 
> #
> # ./sifter.py --unk --dis --len --sync --tick -- -P1 -t
> # ./injector -P1 -t -t -R -0 -s 4293486582
> #
> # insn tested: 129563
> # artf found:  0
> # runtime:     00:00:04.23
> # seed:        4293486582
> # arch:        64
> # date:        2017-10-22 16:10:51
> #
> # cpu:
> # processor	: 0
> # vendor_id	: AuthenticAMD
> # cpu family	: 15
> # model		: 43
> # model name	: AMD Athlon(tm) 64 X2 Dual Core Processor 3800+
> # stepping	: 1
> # microcode	: 0x4d
> #                               v  l  s  c
>                          0f0d00  1  3  5  2 (0f0d0000000000000000000000000000)
>                          0f0d01  1  3  5  2 (0f0d0100000000000000000000000000)
>                          0f0d02  1  3  5  2 (0f0d0200000000000000000000000000)
>                          0f0d03  1  3  5  2 (0f0d0300000000000000000000000000)
>                        0f0d0400  1  4  5  2 (0f0d0400000000000000000000000000)
>                        0f0d0401  1  4  5  2 (0f0d0401000000000000000000000000)
>                        0f0d0402  1  4  5  2 (0f0d0402000000000000000000000000)
>                        0f0d0403  1  4  5  2 (0f0d0403000000000000000000000000)
>                        0f0d0404  1  4  5  2 (0f0d0404000000000000000000000000)
>                0f0d040500000000  1  8  5  2 (0f0d0405000000000000000000000000)
>                0f0d040501000000  1  8  5  2 (0f0d0405010000000000000000000000)
>                0f0d040502000000  1  8  5  2 (0f0d0405020000000000000000000000)
>                0f0d040503000000  1  8  5  2 (0f0d0405030000000000000000000000)
>                0f0d040504000000  1  8  5  2 (0f0d0405040000000000000000000000)
> 
> Bye,
>    Skybuck.
> 

v = valid
l = length
s = signum
c = sicode