A long time ago somebody attempted a port of Linux to the Cisco 2500 platform already. Not sure if you stumbled upon this already during research. Please share your achievements, this is interesting.
-Alex [1] http://www.kdvelectronics.eu/uClinux-cisco2500/uClinux-cisco2500.html On Thu, Mar 25, 2021 at 05:23:31PM +0000, Tom Storey wrote: > Hi all, this is probably a long shot from far out of left field, but I > wonder if anyone is familiar with the deep inner workings of the 1600R > series routers? > > Long story short, I got a bit bored recently with all of the coronavirus > related restrictions, and started to reverse engineer some older model > Cisco routers (2500 and 1600R) that are based on Motorola 68000 family > CPUs, with a "no particular reason" goal of making FreeRTOS run on them > (achievement unlocked.) > > But the 1600R is throwing me a curve ball, and Im having difficulty > seemingly "unlocking" access to the memory ranges that cover the WIC slot > and the PCMCIA controller registers. > > Ive used Ghidra to disassemble and rummage through the factory boot ROM > code to figure out basically "what Cisco did", and re-implemented it > myself, but I still seem to be missing something. Basically, I wondered if > someone here might be familiar enough with these old boxes at a low enough > level and might know if there is something in particular that needs to be > poked to make this work? > > Thanks in advance! > > Tom > _______________________________________________ > cisco-nsp mailing list cisco-nsp@puck.nether.net > https://puck.nether.net/mailman/listinfo/cisco-nsp > archive at http://puck.nether.net/pipermail/cisco-nsp/ _______________________________________________ cisco-nsp mailing list cisco-nsp@puck.nether.net https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/