[OpenWrt-Devel] [PATCH 2/2] lantiq: get rid of ltq-vdsl-fw
a.heider at gmail.com
Sat Dec 19 03:14:37 EST 2015
On Fri, Dec 11, 2015 at 11:50 AM, John Crispin <blogic at openwrt.org> wrote:
> had a chat with hauke. the bdiff between the A and B FW is around 64K.
> the idea would be to patch dsl_control to have a mechanism similar to
> the dsl_notify script. dsl_control would call the script once before fw
> loading with the "prepare" parameter and once the FW is loaded it will
> call the script again with the "delete" parameter.
> the script will then make sure to copy/patch the fw to /tmp on prepare
> and remove it again on delete. this would allow storing both files in
> the lzma area of the flash and we could runtime patch the FW on demand.
> volunteers to welcome ;)
I could look into that I guess.
Which would mean we need a host tool to create a binary patch and a
target tool to apply it.
Is such a tool already used anywhere in openwrt?
But it'll mean that a patched fw in /tmp would use an additional ~1mb memory.
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