Firmware debugging patches?

Kalle Valo kvalo at
Fri Jun 6 02:43:13 PDT 2014

Ben Greear <greearb at> writes:

> I'm looking at how iwlwifi/mvm does this.  I should be able to read the
> ath10k stack and exception stack on generic firmware, but to get the BSS region,
> I ended up adding some additional meta info to the firmware-2.bin image
> specifying the offsets when doing my CT firmware.
> You should not need to re-compile the firmware for this, but you would have
> to be able to run some xtensa tool commands to get this info and re-pack
> the firmware with additional meta-info (as far as I know).
> Any chance upstream firmware could support specifying the bss region
> offsets so that I can dump that into the debugfs dump file?

Sure, having the bss region in enum ath10k_fw_ie_type makes sense. And
if the value is missing from the image, we would have some sane default
in ath10k.

Kalle Valo

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