thanks for the reply.

How about the firmware image? I saw there's a tool for get the
segments inside the firmware image, and to extract the rootfs. But can
I extract the kernel bin and reuseit or even update for one with the
same size?

Just theoreticaly, could I use this kernel from the firmware (any one)
on qemu? (suposing qemu supports this CPU, of course) or do I have to
do some work?

thanks!


On Sat, Jun 25, 2011 at 12:15 PM, Florian Fainelli <flor...@openwrt.org> wrote:
> Hi Alberich
>
> On Saturday 25 June 2011 01:08:41 Alberich de megres wrote:
>> Hi Mates,
>>
>> I'm new on this list, and i like to make openwrt working on some of my
>> home routers, the one where i'm most interested is cisco e3000. But I
>> got some questions of the porting itself.
>> (I searched before some info about this routers and its serial/jtag
>> connection). I never worked with platforms like mips (only x86 and
>> similars).
>>
>> I saw the cpu is supported by vanilla linux kernel (bcm47xx). In case
>> I just incorporate the code to openwrt kernel, or even more simple,
>> compile vanilla kernel what happens with the boot loader? how can i
>> make it work with the router? I mean does it need to interact with CFE
>> env? is there any possibilitied to blow up CFE when testing firmwares
>> or CFE is only writable when you try to update it?
>
> The vanilla bcm47xx code only support the old-style: BCM47xx and BCM53xx
> family of System-on-Chip. The new style SoC like BCM4716 and BCM4718 are still
> work in progress both for mainline kernel and for OpenWrt kernels.
>
>>
>> I'm a little bit lost whit the start point. Is there some significant
>> modification on the openwrt kernel version (code level) that makes it
>> different from vanilla?
>
> Since patches for BCM4716 and BCM4718 have been posted to the linux-mips
> mailing-list, it would be easier to just throw them in
> target/linux/brcm47xx/patches-3.0/ and rebuild a kernel with the appropriate
> options.
> --
> Florian
>
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