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ass:laboratoare:04:tasks:01 [2024/08/09 17:50] florin.stancu [01. Preparation] |
ass:laboratoare:04:tasks:01 [2024/08/09 18:48] (current) florin.stancu [01. Preparation] |
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| # format partition 1 as FAT32 & partition 2 as ext4 | # format partition 1 as FAT32 & partition 2 as ext4 | ||
| - | [student@host ~]$ mkimage.fat -F 32 /dev/sdb1 | + | [student@host ~]$ sudo mkfs.fat -F 32 /dev/sdb1 |
| - | [student@host ~]$ mkimage.ext4 /dev/sdb2 | + | [student@host ~]$ sudo mkfs.ext4 /dev/sdb2 |
| # copy FIT image (without ramdisk!) to FAT32 partition | # copy FIT image (without ramdisk!) to FAT32 partition | ||
| - | [student@host ~/staging]$ mount /dev/sdb1 /mnt | + | [student@host ~/staging]$ sudo mount /dev/sdb1 /mnt |
| - | [student@host ~/staging]$ cp linux.itb | + | [student@host ~/staging]$ sudo cp linux.itb /mnt |
| - | [student@host ~/staging]$ umount /mnt | + | [student@host ~/staging]$ sudo umount /mnt |
| # extract rootfs CPIO contents onto ext4 partition | # extract rootfs CPIO contents onto ext4 partition | ||
| # NOTE: ext4 required in order to support symlinks | # NOTE: ext4 required in order to support symlinks | ||
| - | [student@host ~/buildroot]$ mount /dev/sdb2 /mnt | + | [student@host ~/buildroot]$ sudo mount /dev/sdb2 /mnt |
| - | [student@host ~/buildroot]$ cpio -i -D /mnt -F output/images/rootfs.cpio | + | [student@host ~/buildroot]$ sudo cpio -i -D /mnt -F output/images/rootfs.cpio |
| - | [student@host ~/staging]$ umount /mnt | + | [student@host ~/staging]$ sudo umount /mnt |
| </code> | </code> | ||
| Line 273: | Line 273: | ||
| <code bash> | <code bash> | ||
| - | # place the FIP onto the eMMC at 33KB offset from the start | + | # place the FIP onto the eMMC at 32KB offset from the start |
| - | [student@host ~/imx-mkimage/iMX8M]$ dd if=flash.bin of=/dev/sda bs=1024 seek=33 conv=fsync oflag=direct status=progress | + | # NOTE: for other ARMv8 platforms, this offset could be 33KB; check the datasheet |
| + | [student@host ~/imx-mkimage/iMX8M]$ dd if=flash.bin of=/dev/sda bs=1024 seek=32 conv=fsync oflag=direct status=progress | ||
| </code> | </code> | ||
