Hi. 31.03.2013 20:26, KP Kirchdoerfer пишет: > Hi all; > > with the help of David and based on the work of buildtool.org developers > and many others, I was able to create a toolchain that produces a kernel > and lrp's able to boot on a raspberry pi, to login, to get local net > access and to ssh into the remote box. > > While it will be a long way to create images for the raspberry pi, it > clearly shows that our toolchain is able to successfully cross-compile - > something I've expected, but it's always good to see it really works. Good work. > Before I create a remote repository, so anyone has something to work > with, I'm running rebuild from scratch. > > Some notes about what has been accomplshed and the remaining tasks: > > It's based on kernel version 3.6.11, because the patches are for 3.2 or > 3.6, but not for our currently used 3.4 kernel. > There is ongoing work to include the patches into the mainline kernel, > so life will be easier in the future. Maybe 3.2 patch (or 3.6) will lay on 3.4 kernel? Did you try? > Not all packages build, esp kernel related packages, as expected, but > also others fail, like iptraf, and I do see errors with perl > Digest/SHA1, which also means shorewall will fail to start. > I also had to remove e100* from kmodules to build moddb. e100* should not even be compiled for rpi, like many others NICs - rpi hasn't PCI/PCI-E busses, so it's waste of time and space. > The kernel config needs a review. Esp regarding modules. The kernel > config as-is compiles ext4 and vfat into the kernel. > > It seems that the raspberry is not able to load more than initrd (initrd > and initmod), so we have to concatenate initrd and initmod - with > something like the following command: > > cat initrd.gz initmod.gz > initrd-rpi.gz initmod on embedded platforms may be removed at all - all boot-time modules may be compiled into kernel. One platform, one chipset, one device set. Or, if initrd concatenation is possible - some modules like usb flash may be external, in initmod. > I had the same pb with qemu while testing arm-versatile. I think we need > to enhance the toolchain to distinguish if a host is capable to load > multiple initrd files, or if we have to create a single one. > > I have committed the firmware and raspberry pi special config files to > repo/rpi-firmware, just to put them somewhere. > > Anyway, it's a start. > > kp >
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