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image: use seek_bytes to allow large block size when copying rootfs

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Linus Heckemann 2021-01-08 23:26:31 +01:00
parent 3ccc448bdd
commit fd4fff924a
1 changed files with 3 additions and 3 deletions
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6
emmc-image.nix
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@ -61,15 +61,15 @@
# Copy the rootfs into the SD image
eval $(partx $img -o START,SECTORS --nr 3 --pairs)
dd conv=notrunc if=./root-fs.img of=$img seek=$((START/64)) count=$((SECTORS/64)) bs=$((512*64))
dd conv=notrunc if=./root-fs.img of=$img seek=$((START*512)) oflag=seek_bytes bs=1M
# Copy u-boot into the SD image
eval $(partx $img -o START,SECTORS --nr 2 --pairs)
dd conv=notrunc if=${pkgs.ubootHelios64}/u-boot.itb of=$img seek=$((START/64)) count=$((SECTORS/64)) bs=$((512*64))
dd conv=notrunc if=${pkgs.ubootHelios64}/u-boot.itb of=$img seek=$START count=$SECTORS
# Copy bootloader into the SD image
eval $(partx $img -o START,SECTORS --nr 1 --pairs)
dd conv=notrunc if=${pkgs.ubootHelios64}/idbloader.img of=$img seek=$((START/64)) count=$((SECTORS/64)) bs=$((512*64))
dd conv=notrunc if=${pkgs.ubootHelios64}/idbloader.img of=$img seek=$START count=$SECTORS
zstd -v --no-progress $img -o $out/sd-image/${config.sdImage.imageName}.zstd
'';