Simon Glass c279224ea6 bootstd: Add a command to read all files for a bootflow
Some bootflows (such as EFI and ChromiumOS) delay reading the kernel until
it is needed to boot. This saves time when scanning and avoids needing to
allocate memory for something that may never be used.

To permit reading of these files, add a new 'bootflow read' command.

Signed-off-by: Simon Glass <sjg@chromium.org>
2023-08-11 07:33:38 -06:00
..
2023-08-07 15:26:50 -04:00
2023-02-10 13:05:39 +01:00
2023-02-19 21:34:38 +01:00
2022-07-13 20:05:49 +02:00
2023-02-10 13:05:39 +01:00
2022-08-20 21:18:15 -04:00
2020-09-30 16:55:03 -04:00
2020-07-16 12:37:01 +02:00
2022-04-25 16:04:05 -04:00

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.