[ECOS] Redboot breakpoint question.Thanks
Tue Jan 28 17:13:00 GMT 2003
>>>>> Qiang Huang writes:
> Hi all:
> Does the redboot use any exception ( in the ARM vector table address from
> 0x00 ~ 0x1c) for setting the breakpoint in a ecos program?
> Thanks. If possible could anyone give a little detail about how this is
> achieved? thanks
RedBoot/GDB use an illegal instruction for software breakpoints. So,
that means RedBoot needs the undefined instruction exception vector.
RedBoot will also report data/prefetch aborts. XScale will overload
one of the aborts (I forget which one) for hardware breakpoints and
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