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u-boot-script-toradex: improve script
Allow to boot compressed aarch64 kernels. I.e. with KERNEL_IMAGETYPE=Image.gz the kernel recipe builds Image.gz and the u-boot-script will in U-Boot decompress the kernel before passing control to the kernel binary. Signed-off-by: Max Krummenacher <max.krummenacher@toradex.com>
This commit is contained in:
Max Krummenacher
parent
6e8f05bb77
commit
a2c343e772
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@ -1,30 +1,79 @@
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if test ${devtype} = "ubi"
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then
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# SPDX-License-Identifier: GPL-2.0+ OR MIT
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#
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# Copyright 2020 Toradex
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#
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# Toradex boot script.
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#
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# Allows to change boot and rootfs devices independently.
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# Supports:
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# - boot device type: boot_devtype := {mmc, usb, tftp, dhcp}
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# - boot device num (for mmc, usb types): boot_devnum := {0 .. MAX_DEV_NUM}
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# - boot partition (for mmc, usb types): boot_part := {1 .. MAX_PART_NUM}
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# - root device type: boot_devtype := {mmc, usb}
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# - root device num (for mmc, usb types): boot_devnum := {0 .. MAX_DEV_NUM}
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# - root partition (for mmc, usb types): boot_part := {1 .. MAX_PART_NUM}
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#
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# Defaults:
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# root_devtype = boot_devtype = devtype
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# root_devnum = boot_devnum = devnum
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# boot_part = distro_bootpart
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# root_part = 2
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#
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# TODO:
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# - support NFS in root_devtype
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if test ${devtype} = "ubi"; then
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echo "This script is not meant to distro boot from raw NAND flash."
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exit
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fi
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if test ${distro_bootpart} != 1
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then
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echo "Boot partition needs to be the first partition"
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exit
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fi
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if test -n ${setup}
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then
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if test -n ${setup}; then
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run setup
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else
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env set setupargs 'console=tty1 consoleblank=0'
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env set setupargs 'console=${console},${baudrate} console=tty1 consoleblank=0'
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fi
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test -n ${m4boot} || env set m4boot ';'
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test -n ${fdtfile} || env set fdtfile $fdt_file
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test -n ${kernel_image} || env set kernel_image ${boot_file}
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env set uuid_set 'part uuid ${devtype} ${devnum}:2 uuid'
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env set emmcargs_set 'env set emmcargs root=PARTUUID=${uuid} rw rootfstype=ext4 rootwait'
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env set bootcmd_args 'env set bootargs ${defargs} ${emmcargs} ${setupargs} ${vidargs} ${tdxargs}'
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env set bootcmd_kernel 'load ${devtype} ${devnum}:${distro_bootpart} ${kernel_addr_r} ${kernel_image}'
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env set bootcmd_dtb 'load ${devtype} ${devnum}:${distro_bootpart} ${fdt_addr_r} ${fdtfile}'
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env set bootcmd_run '@@KERNEL_BOOTCMD@@ ${kernel_addr_r} - ${fdt_addr_r}'
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env set bootcmd 'run m4boot; run bootcmd_dtb && run uuid_set && run emmcargs_set && run bootcmd_args && run bootcmd_kernel && run bootcmd_run'
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run bootcmd
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test -n ${m4boot} || env set m4boot ';'
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test -n ${fdtfile} || env set fdtfile ${fdt_file}
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test -n ${boot_part} || env set boot_part ${distro_bootpart}
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test -n ${root_part} || env set root_part 2
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test -n ${boot_devnum} || env set boot_devnum ${devnum}
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test -n ${root_devnum} || env set root_devnum ${devnum}
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test -n ${kernel_image} || env set kernel_image @@KERNEL_IMAGETYPE@@
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test -n ${boot_devtype} || env set boot_devtype ${devtype}
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test -n ${root_devtype} || env set root_devtype ${devtype}
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test -n ${overlays_file} || env set overlays_file "overlays.txt"
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test ${boot_devtype} = "mmc" && env set load_cmd 'load ${boot_devtype} ${boot_devnum}:${boot_part}'
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test ${boot_devtype} = "usb" && env set load_cmd 'load ${boot_devtype} ${boot_devnum}:${boot_part}'
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test ${boot_devtype} = "tftp" && env set load_cmd 'tftp'
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test ${boot_devtype} = "dhcp" && env set load_cmd 'dhcp'
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if test ${kernel_image} = "Image.gz"
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then
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env set kernel_addr_load ${loadaddr}
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env set bootcmd_unzip 'unzip ${kernel_addr_load} ${kernel_addr_r}'
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else
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env set kernel_addr_load ${kernel_addr_r}
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env set bootcmd_unzip ';'
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fi
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# Set dynamic commands
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env set set_bootcmd_kernel 'env set bootcmd_kernel "${load_cmd} \\${kernel_addr_load} \\${kernel_image}"'
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env set set_bootcmd_dtb 'env set bootcmd_dtb "${load_cmd} \\${fdt_addr_r} \\${fdtfile}"'
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env set set_load_overlays_file 'env set load_overlays_file "${load_cmd} \\${loadaddr} \\${overlays_file}; env import -t \\${loadaddr} \\${filesize}"'
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env set set_apply_overlays 'env set apply_overlays "for overlay_file in \\${fdt_overlays}; do echo Applying Overlay: \\${overlay_file} && ${load_cmd} \\${loadaddr} \\${overlay_file} && fdt apply \\${loadaddr}; env set overlay_file; done; true"'
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# Set static commands
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env set uuid_set 'part uuid ${root_devtype} ${root_devnum}:${root_part} uuid'
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env set emmcargs_set 'run uuid_set && env set rootfsargs root=PARTUUID=${uuid} ro rootwait'
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env set bootcmd_args 'run emmcargs_set && env set bootargs ${defargs} ${rootfsargs} ${setupargs} ${vidargs} ${tdxargs}'
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env set fdt_resize 'fdt addr ${fdt_addr_r} && fdt resize 0x20000'
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env set bootcmd_overlays 'run load_overlays_file && run fdt_resize && run apply_overlays'
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env set bootcmd_boot '@@KERNEL_BOOTCMD@@ ${kernel_addr_r} - ${fdt_addr_r}'
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env set bootcmd_prepare 'run set_bootcmd_kernel; run set_bootcmd_dtb; run set_load_overlays_file; run set_apply_overlays'
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env set bootcmd_run 'run m4boot; run bootcmd_dtb && run bootcmd_overlays && run bootcmd_args && run bootcmd_kernel && run bootcmd_unzip && run bootcmd_boot'
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run bootcmd_prepare
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run bootcmd_run
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@ -5,7 +5,7 @@ LIC_FILES_CHKSUM = "file://${COREBASE}/meta/COPYING.MIT;md5=3da9cfbcb788c80a0384
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INHIBIT_DEFAULT_DEPS = "1"
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DEPENDS = "u-boot-mkimage-native"
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SRC_URI = "\
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SRC_URI = " \
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file://boot.cmd.in \
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"
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@ -19,6 +19,7 @@ do_compile[noexec] = "1"
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do_mkimage() {
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sed -e 's/@@KERNEL_BOOTCMD@@/${KERNEL_BOOTCMD}/' \
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-e 's/@@KERNEL_IMAGETYPE@@/${KERNEL_IMAGETYPE}/' \
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"${WORKDIR}/boot.cmd.in" > ${B}/boot.cmd
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mkimage -T script -C none -n "Distro boot script" -d ${B}/boot.cmd ${B}/boot.scr
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}
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