Le mardi 14 septembre 2010 à 23:38 +0200, Martin Michlmayr a écrit : > > > Why do you need to compress the kernel? It should be a zImage or > > > LZMA-image already anywhere. > > > > Yeah, I know, that's a bit tricky (I commented it on the d-i target, but > > I haven't sent it yet). > > So, U-Boot have an image format called multi-file images. > > But there is only one header for the whole image, and so, only one > > compression method. > > This compression method is used both to uncompress the kernel and as the > > compression type of the initrd image. > > If I don't compress the kernel and say "-C gzip", U-Boot will try to > > uncompress the kernel, and will obviously fail (since the kernel is > > executable and uncompress itself). > > If I specify "-C none", it'll run the kernel just fine, but will fail to > > tell the kernel that the initrd image is gzip-compressed... > > So, the only way is to re-compress the kernel... > > We use multi-file images on the HP mv2120 and -C none works fine with > a regular kernel/compressed initrd combination. Does u-boot actually > need to tell the kernel that the ramdisk is compressed? AFAIK the > kernel figures this out itself... but I don't have a Freerunner so I > cannot verify this myself. Maybe you can test again if -C none works, > but it it doesn't then I guess your patch is fine (but maybe with a > comment). I've just tried (sorry for the *very* late reply, I'm busy with various things, and not really in the mood, these days), and you're right. I have probably hit the padding bug, and jumped a bit early to conclusions. I'll send a new patch in a few days.
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