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board/pc/genimage-efi.cfg: align the rootfs to start at 16MB offset from start of the image

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For grub-efi we can align the rootfs to start at exactly 16MB from the
beginning of the disk.  This can be done by reducing the vfat partition to
be 32 KB smaller than its 16MB size, just like the offset of the vfat
partition.

Signed-off-by: Florian La Roche <Florian.LaRoche@gmail.com>
[Peter: drop redundant offset/size settings, add comment]
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
This commit is contained in:
Florian La Roche 2020-10-22 12:15:12 +02:00 committed by Peter Korsgaard
parent df17721f88
commit 4e89862706
1 changed files with 2 additions and 3 deletions
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5
board/pc/genimage-efi.cfg
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@ -10,7 +10,8 @@ image efi-part.vfat {
image = "bzImage"
}
}
size = 16777216
# 16MB - 32KB
size = 16744448
}
image disk.img {
@ -22,7 +23,6 @@ image disk.img {
image = "efi-part.vfat"
partition-type-uuid = c12a7328-f81f-11d2-ba4b-00a0c93ec93b
offset = 32768
size = 16777216
bootable = true
}
@ -30,6 +30,5 @@ image disk.img {
partition-type-uuid = 44479540-f297-41b2-9af7-d131d5f0458a
partition-uuid = UUID_TMP
image = "rootfs.ext2"
offset = 16809984
}
}