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grub2: add a tip to create disk image w/o root permission

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[Thomas: minor fixes/improvements.]

Signed-off-by: Jérôme Pouiller <jezz@sysmic.org>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Jérôme Pouiller 2014-07-02 17:56:50 +02:00 committed by Thomas Petazzoni
parent 908198e756
commit 0fe134f082
1 changed files with 26 additions and 2 deletions
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28
boot/grub2/Config.in
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@ -39,7 +39,30 @@ config BR2_TARGET_GRUB2
sudo losetup -d /dev/loop0
7. Your disk.img is ready!
To test your BIOS image in Qemu:
Using genimage
--------------
If you use genimage to generate your complete image,
installing Grub can be tricky. Here is how to achieve Grub's
installation with genimage:
partition boot {
in-partition-table = "no"
image = "path_to_boot.img"
offset = 0
size = 512
}
partition grub {
in-partition-table = "no"
image = "path_to_grub.img"
offset = 512
}
The result is not byte to byte identical to what
grub-bios-setup does but it works anyway.
To test your BIOS image in Qemu
-------------------------------
qemu-system-{i386,x86-64} -hda disk.img
@ -73,7 +96,8 @@ config BR2_TARGET_GRUB2
sudo losetup -d /dev/loop0
7. Your disk.img is ready!
To test your EFI image in Qemu:
To test your EFI image in Qemu
------------------------------
1. Download the EFI BIOS for Qemu
Version IA32 or X64 depending on the chosen Grub2