On Fri, Jan 23, 2015 at 4:40 PM, Steve Rae <s...@broadcom.com> wrote: > > > On 15-01-23 09:38 AM, Rob Herring wrote: >> >> On Fri, Dec 12, 2014 at 5:51 PM, Steve Rae <s...@broadcom.com> wrote: >>> >>> Implement a feature to allow fastboot to write the downloaded image >>> to the space reserved for the Protective MBR and the Primary GUID >>> Partition Table. >>> Additionally, prepare and write the Backup GUID Partition Table. >> >> >> I've been looking at how to do the same thing here. This is an area >> that suffers from each vendor doing whatever they want. Using vendor >> download/flash tools here is painful. They are all different because >> that is where the value add is. ;) What tool do you use on the host >> side to create the image? I have seen some vendor code to do it, or >> you could use parted plus a disk file and extract the partition table >> from it. I find either method a bit fragile and non-standard IMHO. >> > We use an internal tool -- however, I also note that ALL of the source code > for our tool is "GPL-2.0+" (expect for one file which is Public Domain) > Is U-Boot (Denx) interested in supporting a "host tool"? > >> The 2 options I've come up with are 1) enable USB MS and use whatever >> host side tool you like or 2) use the existing "gpt write" command in >> u-boot and tie that into fastboot "oem format" command. The advantage >> and disadvantage of the latter is that it hides the partitioning >> details in u-boot from the user, but requires changing the u-boot env >> to change partition layout. The partitioning requirements are pretty >> SOC specific it seems. >> > We also have code which creates the GPT tables from a "fastboot oem format" > command, and (if I understand correctly) we have code that implements a > "gpt" command line, which creates the GPT tables from env variables... > If there is interest here, I could investigate further.
I have patches I'm working on to do this. I hope to get them sent out soon. Rob _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
