[oe] How do I build OE for PPC-405 inside Virtex 4?

Philip Balister philip at balister.org
Thu Oct 1 21:24:39 UTC 2009


On 10/01/2009 07:33 AM, Ali Akbar Zarezadeh wrote:
> Hi,
>
> Many thanks to Philip, Elvis and Khem for their reply. Now, our PICSY
> platform is running with the generated ramdisk based on OpenEmbedded.
>
> For your information, first I've read OE usermanual (it is helpful but
> please check the spelling and grammar of the document to improve the
> communication with reader). Secondly, I tried to prepare our own image
> bb file. As starting point minimal-image.bb and base-image.bb inspired
> me such as easy approach. Afterwards again I hit with another issue
> related to the size of RAMDISK. To solve this problem, those following
> lines were put in our local.conf file to override the same parameters in
> the bitbake.conf:
>
> IMAGE_ROOTFS_SIZE = "35840"
> IMAGE_ROOTFS_SIZE_ext2 = "35840"
> IMAGE_ROOTFS_SIZE_ext2.gz = "35840"
> IMAGE_ROOTFS_SIZE_ext3 = "35840"
> IMAGE_ROOTFS_SIZE_ext3.gz = "35840"
>
> Then, after some days challenging I boot up the PICSY with combination
> of OE ramdisk and the the Xilinx Open Source Linux structure.
> However, still there are some issues which maybe somebody could help me
> to overcome:
>
> 1) If I would increase the size of ramdisk more than approximately 25%
> of total installed physical memory size, I will hit with another problem
> in the boots up time which complains for exceeding the threshold size.
> It seems somewhere should be a limitation or setting for it. Is there
> any idea where?
>
> 2) More often in our development and debug process, ftp would be desired
> to copy the new application binary through network. As I checked there
> is no ftp tool already installed in the ramdisk (only there is tftp from
> busybox-1.13.2-r18). Would you let me know how I should put ftp in the
> generated image file?

Did you solve the respawning to fast problem?

I think either proftpd or vsftpd might provide an ftp server. I normally 
use scp to copy files onto boards though.

Philip

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