On 06/12/2012 11:53 PM, Martin Decky wrote: >> i have been trying to make HelenOS (Revision 1517) working with >> AT91SAM9260EK from Atmel (CPU: arm926ej-s) > > Well, the first thing that strikes me here is that this CPU is ARMv5TEJ, > but HelenOS has been so far only tested on ARMv4. I don't know from the > top of my head what are the differences between these two > microarchitectures, but they might possibly explain the issues. > > Not even speaking about the system architecture of the CPU which might > be also slightly different from what the kernel expects now.
There is a work-in-progress, not yet merged code in: bzr://krabicka.net/orome/helenos/bbxm which adds ARMv7 support. ARMv7 is surely farther away from ARMv4 than ARMv5, but it may still be interesting to have a look at what had to be done to support a new ARM architecture. Jakub _______________________________________________ HelenOS-devel mailing list [email protected] http://lists.modry.cz/cgi-bin/listinfo/helenos-devel
