RouterStation

http://people.freebsd.org/~gonzo/mips/routerstation.log Some issues still pending though. Cache management is major one. Things seemed to work fine in emulation but backfired into face with real hardware. I ran into several “random” bugs that were narrowed down to caches. More to go :( Also ethernet driver performance is low but it’s easier then hunting down ethereal cache matters. Or so I think. This weekend will be dedicated to making openocd work with routerstation, learning debugging and profiling techniques for MIPS hardware and improving FreeBSD/MIPS pieces of DDB.

So it has been a month since last post about this device and I think it’s time to announce current state of affairs. At the moment further progress was blocked with something that looks like memory corruption. It’s hard to trace with ktr(4) and printf(9) so I ordered Flyswatter JTAG adapter and MIPS14 adapter from Tin Can Tools. I was warned that Flyswatter/MIPS combination is not supported by OpenOCD but I’d better spend some time making it work then tracing obscure memory corruptions in the wild.