[arch-projects] [mkinitcpio] post-image-creation hook

C Anthony Risinger anthony at xtfx.me
Thu Jul 19 02:41:16 EDT 2012

i'm working on my pandaboard (arm7hf architecture) and making the
necessary tweaks to make mkinitcpio compatible OOTB (archlinuxarm.org

the changes are minimal:
 - modify `resolve_kernver` to support looking at `uImage files`

# file /boot/uImage
/boot/uImage: u-boot legacy uImage, Linux-3.4.4-1-ARCH, Linux/ARM, OS
Kernel Image (Not compressed), 4557120 bytes, Mon Jul 16 21:32:19
2012, Load Address: 0x80008000, Entry Point: 0x80008000, Header CRC:
0xD586CD31, Data CRC: 0xE965D864

... i'm not sure the `Linux-3.4.4-ARCH` tag is generated though, i
think its just assigned during creation.  i extracted the zImage (not
a bzImage) from the uImage, but the `file` output is near worthless (i
think the ARM guys are stripping it or something).

- add support for a post-image-creation event
need to generate a u-boot compatible uImage from the raw initramfs.  i
can do a really nasty hack and call mkinitcpio from within a preset
file (ie. nested mkinitcpio ...), run mkimage, then exit ... but
that's absolutely disgusting ...



C Anthony

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