They do. In fact, I contributed a patch a while back to add u-boot image support to 5l a while back. U-boot has also been patched to expect these binaries. You can take a look at what has been done in the Chromebook port (http://code.google.com/p/9chrome), but I've been stalled due to demands at the office.
FWIW, u-boot is not a net-negative at all. For SoC's it simplifies boot significantly - there is zero reason to eschew the functionality it brings. http://plan9.bell-labs.com/sources/contrib/stallion/patch/arm-uboot/ HTH, Steve On Mon, Dec 1, 2014 at 2:43 AM, Ramakrishnan Muthukrishnan <r...@rkrishnan.org> wrote: > On Mon, Dec 1, 2014, at 11:14 AM, erik quanstrom wrote: >> > Surprisingly I didn't see a paper on porting Plan9 to new architectures >> > in the plan9 paper collection. Any help and pointers on how to get >> > started with the porting effort will be highly appreciated. >> >> it's all about the documentation. if you can get it, boringing up a new >> kernel for a new architecture can go from impossible to very doable. >> it's still a lot of work, and it can be hard to sit down and spend a week >> finding that one little bit that prevents anything from working. good >> luck, nonetheless. more architectures is definately moar better. > > Thanks. IMX6 documentation is freely available. There is a version of > u-boot. The manufacturer (Solid Run) also has made the board schematics > etc available. > > From the reading of booting(8), I am assuming that the ARM devices in > plan9 use the u-boot for booting the kernel up? >
