Commit Graph

13 Commits

Author SHA1 Message Date
Daniel Golle
4d289ae7e6
scripts/gen_image_generic.sh: fix order of files in EFI bootfs
mtools recursive copy (mcopy -s ...) is using READDIR(3) to iterate
over the directory entries, hence they end up in the FAT filesystem in
traversal order which breaks reproducibility (rather than being added
to the FAT filesystem in a reproducible order). Implement recursive
copy in gen_image_generic.sh in Shell code instead, as in that way we
can force files to be copied in reproducible order.

Fixes: aece8f5ae8 ("scripts/gen_image_generic.sh: generate reproducible EFI filesystem")
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
2022-04-15 01:17:04 +01:00
Daniel Golle
aece8f5ae8
scripts/gen_image_generic.sh: generate reproducible EFI filesystem
Generate FAT filesystem for EFI boot in a reproducible way:
 * use '--invariant' option of mkfs.fat
 * set timestamps of all files to SOURCE_DATE_EPOCH
 * make sure files are ordered locale-independent

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
2022-04-11 15:29:33 +01:00
Daniel Golle
068ea2cde0
scripts/gen_image_generic.sh: make ext4 bootfs reproducible
Set fixed timestamp for kernel other files in /boot filesystem.
This should help making x86 *combined* images reproducible.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
2022-03-28 20:52:37 +01:00
Petr Štetiar
92d7cedcad scripts/gen_image_generic.sh: fix more shellcheck warnings
Fixes following shellcheck warnings:

 In scripts/gen_image_generic.sh line 20:
 cyl=$(( (KERNELSIZE + ROOTFSSIZE) * 1024 * 1024 / (head * sect * 512)))
 ^-^ SC2034: cyl appears unused. Verify use (or export if used externally).
 --
 In scripts/gen_image_generic.sh line 34:
     [ -n "$PADDING" ] && dd if=/dev/zero of="$OUTPUT" bs=512 seek="$(($ROOTFSOFFSET + $ROOTFSSIZE))" conv=notrunc count="$sect"
                                                                       ^-----------^ SC2004: $/${} is unnecessary on arithmetic variables.
 --
 In scripts/gen_image_generic.sh line 35:
     mkfs.fat -n kernel -C "$OUTPUT.kernel" -S 512 "$(($KERNELSIZE / 1024))"
                                                       ^---------^ SC2004: $/${} is unnecessary on arithmetic variables.

Signed-off-by: Petr Štetiar <ynezz@true.cz>
2020-07-11 14:42:32 +02:00
Rosen Penev
aee169b06d scripts/gen_image_generic.sh: use /bin/sh
This has nothing bash specific.

Signed-off-by: Rosen Penev <rosenp@gmail.com>
2020-07-11 13:33:28 +02:00
Rosen Penev
3819337cdf scripts/gen_image_generic.sh: replace -o with if/&&
-o is not well defined.

Found with shellcheck.

Signed-off-by: Rosen Penev <rosenp@gmail.com>
2020-07-11 13:33:28 +02:00
李国
a6b7c3e672 x86: generate EFI platform bootable images
Add EFI platform bootable images for x86 platforms. These images can
also boot from legacy BIOS platform.

EFI System Partition need to be fat12/fat16/fat32 (not need to load
filesystem drivers), so the first partition of EFI images are not ext4
filesystem any more.

GPT partition table has an alternate partition table, we did not
generate it. This may cause problems when use these images as qemu disk
(kernel can not find rootfs), we pad enough sectors will be ok.

Signed-off-by: 李国 <uxgood.org@gmail.com>
[part_magic_* refactoring, removed genisoimage checks]
Signed-off-by: Petr Štetiar <ynezz@true.cz>
2020-03-31 16:20:47 +02:00
Rosen Penev
3f65fe5d62 scripts/gen_image_generic.sh: replace deprecated backticks with $()
This replaces deprecated backticks by more versatile $(...) syntax.

Found with shellcheck.

Signed-off-by: Rosen Penev <rosenp@gmail.com>
[adjust commit title and message]
Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
2019-12-31 01:06:20 +01:00
Rosen Penev
2e14dd23c9 scripts/gen_image_generic.sh: remove $ in arithmetic
Fixes shellcheck warning:

SC2004: $/${} is unnecessary on arithmetic variables.

Signed-off-by: Rosen Penev <rosenp@gmail.com>
2019-12-31 01:05:27 +01:00
Yousong Zhou
66ebca7103 build: label kernel and rootfs ext4 volumes
UUID of ext4 volumes generated by make_ext4fs are determined by volume
label and it will all be 57f8f4bc-abf4-655f-bf67-946fc0f9f25b when label
is empty

Labeling them does not make them unique but tools like block command
from fstools have a better chance differentiating them

Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>
2019-11-03 04:25:40 +00:00
Stijn Tintel
b422e1631e scripts/gen_image_generic.sh: fail on errors
The script always exits with value 0, even if some of the commands fail.
This can potentially create broken, unbootable images, e.g. when
make_ext4fs fails due to TARGET_KERNEL_PARTSIZE being too small for the
kernel. Avoid this by failing the script when any command fails.

Acked-by: Jo-Philipp Wich <jo@mein.io>
Acked-by: Petr Štetiar <ynezz@true.cz>
Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>
2019-03-27 00:13:30 +02:00
Stijn Tintel
6a8cbc08c0 scripts/gen_image_generic.sh: drop NOGRUB variable
It's not used since commit 816a9b30f6.

Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>
2017-07-14 04:09:16 +02:00
Stijn Tintel
a576ed5437 scripts/gen_image_generic.sh: move from x86/image
The script can also be useful for other targets.

Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>
2017-07-14 04:09:16 +02:00