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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 sudo losetup -d /dev/loop0
7. Your disk.img is ready! 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 qemu-system-{i386,x86-64} -hda disk.img
@ -73,7 +96,8 @@ config BR2_TARGET_GRUB2
sudo losetup -d /dev/loop0 sudo losetup -d /dev/loop0
7. Your disk.img is ready! 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 1. Download the EFI BIOS for Qemu
Version IA32 or X64 depending on the chosen Grub2 Version IA32 or X64 depending on the chosen Grub2