Support for MVME177 completed, new snapshot

Thanks to a donation of a MVME177 to the NetBSD Foundation by Matt Thomas, Steve Woodford has been able to complete the support for this m68060-based board in NetBSD/mvme68k -current.
Accordingly, Steve has made available a new NetBSD/mvme68k snapshot, based on 2001-08-07 -current sources. It is available in the NetBSD/mvme68k snapshot area of the ftp server.
Since the last -current snapshot, a number of notable changes have made it into the NetBSD/mvme68k kernel:

1. The MI evcnt(9) interface is now used to record interrupt statistics.
2. The standalone netboot program now supports DHCP in addition to rarp/bootparams.
3. `Simulated' software interrupts have been replaced by real `hardware assisted' software interrupts. This reduces the amount of overhead on exit from exception handlers.
4. Numerous pmap tweaks to improve reliability.
5. The ECC DRAM controller(s) on MVME167/MVME177 (and optional on MVME162/MVME172) are now fully enabled. The kernel will now detect and log any errors reported by the controllers. You may need to change your kernel config files, as the memc(4) driver now attaches at mainbus0 instead of pcctwo0. Note that the memc(4) driver does not yet support the MEMC040 parity checking memory controllers found on some boards.
6. And, of course, completed MVME177 support.

As usual, if you experience any problems, please report them using send-pr(1) and/or the port-mvme68k mailing list. [0 comments]