Files
Ejub Sabic 29222e18e9 uboot: import first variable from auxiliary environment
The U-Boot env file is generated by
mkenvimage, which prefixes the variable data with a 4-byte CRC32 by default.
ixpreboot.sh previously imported it with `env import -b` as per uboot docs(-b assume binary format (’0’ separated, “00” terminated).),
which treats the buffer as raw binary and does not strip the CRC.
As a result the first variable's name is parsed a part of CRC.
Later variables import correctly because by then the parser is past the CRC.
Switching to `env import -c` as per uboot docs (-c assume checksum protected environment format.)
makes U-Boot validate and strip the CRC before parsing, so the first variable imports under its real name.

Tested on:
- QEMU

Signed-off-by: Ejub Sabic <ejub1946@outlook.com>
2026-04-29 23:27:37 +02:00

75 lines
2.2 KiB
Bash

setenv dev_mode no
setenv factory_reset no
echo -n "dev-mode: "
run ixbtn-devmode
echo -n "factory-reset: "
run ixbtn-factory
setenv valid_media no
setenv ixmenu_n 0
for tgt in "${boot_targets}"; do
if test "${tgt}" = "mmc0"; then
setenv devtype "mmc"
setenv devnum 0
mmc dev 0
elif test "${tgt}" = "mmc1"; then
setenv devtype "mmc"
setenv devnum 1
mmc dev 1
else
setenv devtype "${tgt}"
setenv devnum 0
fi
if part number ${devtype} ${devnum} aux auxpart; then
setenv "boot_${tgt}_primary" "setenv devtype ${devtype}; setenv devnum ${devnum}; setenv slot primary; run ixbootslot"
setenv "bootmenu_${ixmenu_n}" "Boot primary ${tgt} partition=run boot_${tgt}_primary"
setexpr ixmenu_n ${ixmenu_n} + 1
setenv "boot_${tgt}_secondary" "setenv devtype ${devtype}; setenv devnum ${devnum}; setenv slot secondary; run ixbootslot"
setenv "bootmenu_${ixmenu_n}" "Boot secondary ${tgt} partition=run boot_${tgt}_secondary"
setexpr ixmenu_n ${ixmenu_n} + 1
if load ${devtype} ${devnum}:${auxpart} ${loadaddr} /uboot.env; then
env import -c ${loadaddr} ${filesize} BOOT_ORDER DEBUG ethact BOARD_VARIANT
run ixvariant
fi
if test -n "${DEBUG}"; then
setenv bootargs_log "debug"
else
setenv bootargs_log "loglevel=4"
fi
test -n "${BOOT_ORDER}" || setenv BOOT_ORDER "primary secondary net"
echo "Valid boot device found on ${tgt} (order: ${BOOT_ORDER})"
for slot in "${BOOT_ORDER}"; do
if test "${slot}" = "primary"; then
setenv ixbootorder "${ixbootorder}run boot_${tgt}_primary; "
elif test "${slot}" = "secondary"; then
setenv ixbootorder "${ixbootorder}run boot_${tgt}_secondary; "
elif test "${slot}" = "net"; then
setenv ixbootorder "${ixbootorder}run boot_net; "
fi
done
setenv valid_media yes
fi
done
setenv "boot_net" "setenv slot net; run ixbootslot"
setenv "bootmenu_${ixmenu_n}" "Boot over network=run boot_net"
setexpr ixmenu_n ${ixmenu_n} + 1
setenv "bootmenu_${ixmenu_n}" "Factory reset=run ixfactory; echo; pause; bootmenu"
setexpr ixmenu_n ${ixmenu_n} + 1
if test "${valid_media}" = "no"; then
echo "NO BOOTABLE MEDIA FOUND, falling back to netboot"
setenv bootargs_log "debug"
setenv ixbootorder "run boot_net"
fi