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Mashed up from different sources linked below, including the now gone Wiki and doc/README.arm-relocation file. Tested on a custom board with AT91 SAMA5D2 SoC and Segger J-Link Base adapter. This is only generic advice here, the usage is not board specific. Some board docs have more specific instructions on using gdb with a particular board. Link: https://www.slideshare.net/slideshow/embedded-recipes-2019-introduction-to-jtag-debugging/177511981 Link: https://boundarydevices.com/debugging-using-segger-j-link-jtag/ Link: https://web.archive.org/web/20141224200032/http://www.denx.de/wiki/view/DULG/DebuggingUBoot Link: https://web.archive.org/web/20141206064148/http://www.denx.de/wiki/view/DULG/GDBScripts1 Suggested-by: Marek Vasut <marex@denx.de> Signed-off-by: Alexander Dahl <ada@thorsis.com> Reviewed-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
This patch series adds support for ZFS listing and load to u-boot. To Enable zfs ls and load commands, modify the board specific config file with #define CONFIG_CMD_ZFS Steps to test: 1. After applying the patch, zfs specific commands can be seen in the boot loader prompt using UBOOT #help zfsload- load binary file from a ZFS file system zfsls - list files in a directory (default /) 2. To list the files in zfs pool, device or partition, execute zfsls <interface> <dev[:part]> [POOL/@/dir/file] For example: UBOOT #zfsls mmc 0:5 /rpool/@/usr/bin/ 3. To read and load a file from an ZFS formatted partition to RAM, execute zfsload <interface> <dev[:part]> [addr] [filename] [bytes] For example: UBOOT #zfsload mmc 2:2 0x30007fc0 /rpool/@/boot/uImage References : -- ZFS GRUB sources from Solaris GRUB-0.97 -- GRUB Bazaar repository Jorgen Lundman <lundman at lundman.net> 2012.