Although you could attach the disk to the cpu side of the l1. That might work. You'll still need to attach the config port to the I/O bus so that PCI configuration happens normally.
Ali On Nov 20, 2008, at 11:00 PM, Steve Reinhardt wrote: > Actually that's not true... you need an io cache to make sure block > writes are coherent regardless of where the device is attached. The > device by itself doesn't know how to make coherent accesses. > > Steve > > On Thu, Nov 20, 2008 at 7:51 PM, nathan binkert <[EMAIL PROTECTED]> > wrote: >> Sorry for the late response, but there really isn't another disk >> model. You should in theory be able to hang the disk device off >> whatever bus memory hangs off of. You only need an io cache if you >> want a separate IO bus. >> >> Nate >> >> On Wed, Nov 19, 2008 at 4:21 PM, Rick Strong <[EMAIL PROTECTED]> >> wrote: >>> Hi all, >>> >>> I have mesh + directory coherence (based on Jiayuan's patches) >>> running >>> the beginning of a script in full system and see output coming >>> from the >>> terminal. However, I am getting an assertion in the ide_disk.cc a >>> little >>> later: >>> >>> Assertion failed: (cmdBytesLeft == 0), function dmaWriteDone, file >>> /Users/rickstrong/build/m5powerfs/build/ALPHA_FS/dev/ide_disk.cc, >>> line 497. >>> >>> As I am running for a deadline, I don't really care about the >>> accuracy >>> of the disk model. Is there a simpler disk that I could use that >>> might >>> get me around the complexity of figuring how dma is interacting >>> with the >>> disk? >>> >>> Best, >>> -Rick >>> >>> _______________________________________________ >>> m5-users mailing list >>> [email protected] >>> http://m5sim.org/cgi-bin/mailman/listinfo/m5-users >>> >>> >> _______________________________________________ >> m5-users mailing list >> [email protected] >> http://m5sim.org/cgi-bin/mailman/listinfo/m5-users >> > _______________________________________________ > m5-users mailing list > [email protected] > http://m5sim.org/cgi-bin/mailman/listinfo/m5-users > _______________________________________________ m5-users mailing list [email protected] http://m5sim.org/cgi-bin/mailman/listinfo/m5-users
