[Buildroot] genimage with GPT partition

Peter Korsgaard peter at korsgaard.com
Tue Aug 28 09:57:25 UTC 2018


>>>>> "lpdev" == lpdev  <lpdev at cordier.org> writes:

 > Hi,
 > After successfully booting an EFI-generated distro, I am now looking
 > for an easy-to-install steps for my image file. (using the
 > pc_x86_64_efi_defconfig).

 > I first tried to flash directly the .img file on my device, and
 > actually it does not boot. The reason is because the generated .img
 > file is containing mbr partition instead of gpt.

 > Is it a limitation of genimage? Is there any way to generate a
 > gpt-compatible .img file?

Yes, unfortunately it is.

Genimage is a standalone open source project, not specific to Buildroot:

https://github.com/pengutronix/genimage

Perhaps contact them to ask about GPT support and/or contribute it
yourself?

Genimage is just a handy way to execute the basic
fdisk/mkfs/.. commands. Alternatively a script to do something similar
with gptfdisk could probably be written.

-- 
Bye, Peter Korsgaard



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