From 4d3c95f5ea7c737a21cd6b9c59435ee693b3f127 Mon Sep 17 00:00:00 2001 From: Jorgen Lundman Date: Thu, 19 Jul 2012 20:48:25 +0000 Subject: zfs: Add ZFS filesystem support U-Boot port is based on sources forked from GRUB-0.97 by Sun in 2004, which can be found here: http://src.opensolaris.org/source/xref/onnv/onnv-gate/usr/src/grub/grub-0.97/stage2/zfs-include/zfs.h Released by Sun for GRUB under the license: * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. GRUB official releases include ZFS in version: ftp://alpha.gnu.org/gnu/grub/grub-1.99~rc1.tar.gz And patched against GRUB Bazaar repository for ashift fixes (4KB HDDs) more conveniently found at github: https://github.com/pendor/grub-zfs/commit/e7b6ef3ac3b9685ac4c394c897b1d4221b7381f1 Signed-off-by: Jorgen Lundman --- doc/README.zfs | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 doc/README.zfs (limited to 'doc/README.zfs') diff --git a/doc/README.zfs b/doc/README.zfs new file mode 100644 index 0000000000..f5998f2f88 --- /dev/null +++ b/doc/README.zfs @@ -0,0 +1,29 @@ +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 [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 [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 2012. -- cgit v1.2.3