Want to use the powerpc e200z6 SPE APU

[Mike Arthur]

Peter,

Have you had any more success with hacking SPE support?

Mike


On Sun, Oct 11, 2009 at 11:31 AM, Peter Dufault <dufault at hda.com> wrote:

>
> On Oct 11, 2009, at 9:12 , Peter Dufault wrote:
>
>  though the disassembler doesn't handle the instructions properly:
>>
>
> After this I promise I won't follow-up on myself, especially on weekends
> when everyone else is taking time off.
> Obviously I'm overly busy right now.
>
> You will find yourself in a twisty maze of options when working with the
> SPU, to disassemble the SPE op-codes use -M e500:
>
> [dufault at finny rtems]$ powerpc-rtems4.10-objdump --disassemble -M e500
> foo.o
>
>
> foo.o:     file format elf32-powerpc
>
> Disassembly of section .text:
>
> 00000000 <foo>:
>   0:   94 21 ff e8     stwu    r1,-24(r1)
>   4:   3c 00 3f 00     lis     r0,16128
>   8:   90 01 00 10     stw     r0,16(r1)
>   c:   3c 00 be 00     lis     r0,-16896
>  10:   90 01 00 14     stw     r0,20(r1)
>  14:   10 01 13 01     evldd   r0,16(r1)
>  18:   10 00 02 97     evfsctsf r0,r0
>  1c:   10 01 0b 21     evstdd  r0,8(r1)
>
>  20:   38 21 00 18     addi    r1,r1,24
>  24:   4e 80 00 20     blr
>
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