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Use compressed squashfs for kernel (#1418)

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* Add squashfs with LZ4 and LZO compression to Barebox

* Add squashfs with LZO compression to U-Boot

* Use squashfs for Linux kernel partition

Generate a squashfs image with LZO compression for the Linux kernel
partition. Adjust the boot scripts to be file system independent commands
to boot from squashfs.
This commit is contained in:
Stefan Agner
2021-06-17 01:53:35 +02:00
committed by GitHub
parent 44cca729f0
commit f6d639f2bf
15 changed files with 29 additions and 29 deletions
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4
buildroot-external/bootloader/barebox.config
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@@ -47,4 +47,8 @@ CONFIG_FS_EXT4=y
CONFIG_FS_FAT=y
CONFIG_FS_FAT_WRITE=y
CONFIG_FS_FAT_LFN=y
CONFIG_FS_SQUASHFS=y
CONFIG_SQUASHFS_LZ4=y
CONFIG_SQUASHFS_LZO=y
CONFIG_LZ4_DECOMPRESS=y
CONFIG_LZO_DECOMPRESS=y

2
buildroot-external/bootloader/barebox/boot/system0
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@@ -3,6 +3,6 @@
global linux.bootargs.dyn.root="root=PARTUUID=8d3d53e3-6d49-4c38-8349-aff6859e82fd rootfstype=squashfs ro"
mkdir -p /mnt/system
mount -t ext4 /dev/disk*.hassos-kernel0 /mnt/system
mount /dev/disk*.hassos-kernel0 /mnt/system
global bootm.image="/mnt/system/bzImage"

2
buildroot-external/bootloader/barebox/boot/system1
View File

@@ -3,6 +3,6 @@
global linux.bootargs.dyn.root="root=PARTUUID=a3ec664e-32ce-4665-95ea-7ae90ce9aa20 rootfstype=squashfs ro"
mkdir -p /mnt/system
mount -t ext4 /dev/disk*.hassos-kernel1 /mnt/system
mount /dev/disk*.hassos-kernel1 /mnt/system
global bootm.image="/mnt/system/bzImage"

3
buildroot-external/bootloader/uboot.config
View File

@@ -9,9 +9,12 @@ CONFIG_SYS_PROMPT="HAOS> "
CONFIG_EFI_PARTITION=y
CONFIG_FS_EXT4=y
CONFIG_FS_FAT=y
CONFIG_FS_SQUASHFS=y
# CONFIG_ENV_IS_IN_FAT is not set
# CONFIG_ENV_IS_IN_EXT4 is not set
CONFIG_ENV_IS_NOWHERE=Y
# CONFIG_EFI_LOADER is not set
CONFIG_CMD_SETEXPR=y
CONFIG_CMD_FILEENV=y
CONFIG_CMD_SQUASHFS=y
CONFIG_LZO=y