debugger
ollie lho
ollie at sis.com.tw
Thu May 15 21:24:00 CEST 2003
On Fri, 2003-05-16 at 01:23, jarcher wrote:
> To add to Ron's message.
>
> It varies a lot with your experience and how dirty you want to get.
>
> A simple POST card and a lot of creative POST code bread crumbs is the
> cheap and dirty way to go, until you get the serial port debugger up and
> running. But it requires you to be really creative in crawling through the
> code. And takes a lot of time.
>
> But you can move up the a logic analyzer looking at bus cycles or an ICE
> (in circuit emulator) looking at CPU activity These two are expensive
> (lots of $10K), but you can often rent them. Setup is usually the time
> burner here. But with a LA you can take selective pictures of events
> chained together in time. I don't know if SIS has an ICE for their SOC
> products.
>
> Jordan
>
> PS: Has anyone done a USB interface low level debugger? Early BIOS or at
> least just prior to payload decompress.
>
BTW, why didn't we come up with a GDB stub in LinuxBIOS ??
--
ollie lho <ollie at sis.com.tw>
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