target/linux/sifiveu/image/gen_sifiveu_sdcard_img.sh

   1 #!/usr/bin/env bash
   2 # SPDX-License-Identifier: GPL-2.0-only
   3 #
   4 # Copyright (C) 2022 OpenWrt.org
   5 #
   6
   7 set -ex
   8 [ $# -eq 7 ] || {
   9     echo "SYNTAX: $0 <file> <bootfs image> <rootfs image> <bootfs size> <rootfs size> <u-boot ITB image> <u-boot SPL>"
  10     exit 1
  11 }
  12
  13 OUTPUT="$1"
  14 BOOTFS="$2"
  15 ROOTFS="$3"
  16 BOOTFSSIZE="$4"
  17 ROOTFSSIZE="$5"
  18 UBOOT="$6"
  19 UBOOT_SPL="$7"
  20
  21 set $(ptgen -o $OUTPUT -v -g -T sifiveu_spl -N loader1 -p 1024 -T sifiveu_uboot -N loader2 -p 4096 -t ef -N boot -p ${BOOTFSSIZE}M -N rootfs -p ${ROOTFSSIZE}M)
  22
  23 ROOTFSOFFSET=$(($7 / 512))
  24
  25 dd bs=512 if="$UBOOT_SPL" of="$OUTPUT" seek=34 conv=notrunc
  26 dd bs=512 if="$UBOOT" of="$OUTPUT" seek=2082 conv=notrunc
  27 dd bs=512 if="$BOOTFS" of="$OUTPUT" seek=10274 conv=notrunc
  28 dd bs=512 if="$ROOTFS" of="$OUTPUT" seek=${ROOTFSOFFSET} conv=notrunc