Hi Enno Thanks for these good news! For point two: Are you thinking about just redefining the busmacros (as suggested in some xilinx documentation) or would you re-write the actual osif code?
Cheers, Ariane > 2. OSIF interface logic: On Dec 7, 2010, at 9:21 AM, Enno Lübbers wrote: > Hi, > > I just wanted to notify you of some progress that's been made with the > partial reconfiguration features of ReconOS. I've managed to create a > set of partial bitstreams using the 12.3 tools (esp. PlanAhead) and > the ReconOS tool chain. I've also been able to partially reconfigure > single hardware threads manually via JTAG on the ML605. > > Things missing / to do: > > 1. Proper tool chain support: > This will probably involve scripting PlanAhead to create the necessary > configurations. I've been able to create a valid partially > reconfigurable PlanAhead project using only the bitstreams generated > by the ReconOS EAPR Makefile. Also, some renaming and cleanup of the > "master" Makefile would be in order. Interestingly enough, the > clocking magic we had to do with the old EAPR tool chain seems no > longer necessary. > > 2. OSIF interface logic: > Since the new PR tool flow does not use bus macros but instantiates > the necessary Partition Pins automatically, we need to replicate some > of the functionality of the former bus macros within the OSIF: > - registers for all non-RAM (i.e. synchronous) signals to improve > timing closure > - enable signals for all outgoing signals (hardware thread to OSIF) to > prevent accidental activity on reconfiguration > > 3. ICAP support for eCos: > There is a new HWICAP IP core in EDK 12.3, which I hope to be faster > and easier to use than the 9.02 versions. If there are any changes to > the API we need to patch our hardware scheduling code accordingly. > Also, a new reference design (ml605_light_pr) with the ICAP core > should be created. > > Any comments, suggestions or questions are welcome. This list needs > more traffic. :) > > Best regards > - Enno > > _______________________________________________ > Reconos-devel_lists.reconos.de mailing list > reconos-devel@lists.reconos.de > https://ml01.ispgateway.de/mailman/listinfo/reconos-devel_lists.reconos.de _______________________________________________ Reconos-devel_lists.reconos.de mailing list reconos-devel@lists.reconos.de https://ml01.ispgateway.de/mailman/listinfo/reconos-devel_lists.reconos.de