On Fri, 17 Aug 2012 09:08:16 -0600 Stephen Warren <swar...@wwwdotorg.org> wrote:
> On 08/17/2012 12:46 AM, Lukasz Majewski wrote: > > Hi Stephen, > > > >> On 08/16/2012 05:15 PM, Stephen Warren wrote: > >>> This implements the following: > >>> > >>> partuuid mmc 0:1 > >>> -> prints the partition's UUID. > >>> partuuic mmc 0:1 uuid > >>> -> sets environment variable "uuid" to the partition's UUID. > >>> > >>> This can be useful when writing a bootcmd which searches all known > >>> devices for something bootable, and then wants the kernel to use > >>> the same partition as the root device, e.g.: > >>> > >>> partuuid ${devtype} ${devnum}:${rootpart} uuid > >>> setenv bootargs root=PARTUUID=${uuid} ... > >> > >> I guess one thing I might mention here: > >> > >> I can imagine other partition-oriented commands existing, e.g. a > >> command to find the bootable partition on a particular storage > >> device. I'm not sure if we should create a single "part" command > >> with various sub-options for this, e.g.: > >> > >> part uuid mmc 0:1 > >> part get-bootable mmc 0 > > > > I'm now working at restoring the GPT (GUID Partition Table) at MMC > > in u-boot. > > > > I plan to implement a separate command - gptrestore > > However, I think that one single command would be more suitable for > > this purpose. > > What will gptrestore do? > It will write a GPT table on the eMMC memory. Definitions for partitions are read from u-boot environment variable. -- Best regards, Lukasz Majewski Samsung Poland R&D Center | Linux Platform Group _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot