[Bug binutils/26206] Add pei-aarch64 support for native EFI support

[steve-sourceware at einval dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=26206

--- Comment #15 from Steve McIntyre <steve-sourceware at einval dot com> ---
Hmmm, OK.

That UEFI image (when padded up to 64MiB) starts here and will let me start an
OS or go into the shell OK. Are you getting any errors?(In reply to Tamar
Christina from comment #14)
> (In reply to Steve McIntyre from comment #13)
> > Hmmm, OK.
> > 
> > That UEFI image (when padded up to 64MiB) starts here and will let me start
> > an OS or go into the shell OK. Are you getting any errors?
> 
> No, QEMU just pretty much hangs, maybe a wrong parameter, I'm doing
> 
> rm -f flash0.img flash1.img
> dd if=QEMU_EFI.fd bs=1M of=flash0.img conv=notrunc
> dd if=/dev/zero bs=1M count=64 of=flash1.img
> dd if=/dev/zero bs=1M count=64 of=flash0.img
> mkdir boot
> cp hello.efi boot/
> env DISPLAY=:0 qemu-system-aarch64 -machine virt -monitor stdio -drive
> file=fat:rw:boot/ -drive file=flash0.img,format=raw,if=pflash -drive
> file=flash1.img,format=raw,if=pflash flash1.img

Aha! Your command there will totally replace the content of flash0.img, not
append to it. :-)

Try: 

$ dd if=/dev/zero bs=1M count=62 >> flash0.img

(there are probably other dd options to append, but that command is what I've
used successfully)

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