DBCR0 reset?

[Ralph Blach]

Hollis,

The OS does this.  I send you the info on how to disable it tommorrow.

Chip

Hollis Blanchard wrote:
> Has anyone had problems with hardware breakpoints from external
> debuggers? I'm using RISCWatch, which sets DBCR0 and IAC1 for me (yes
> I've verified that). I'm then using 'echo > /proc/sys' to invoke my
> code. However by the time I get to my sysctl proc handler, DBCR0 has
> been reset from 0x80810000 to 0x00010000, hence IAC1 is ignored.
>
> I don't see much use of DBCR0, other than initialization and then save
> during exception prologs and then restore during task restore. Can
> anyone point me to where it might be reset?
>
> -Hollis
>
>
>
> .
>


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