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 >> m5-users@m5sim.org >> http://m5sim.org/cgi-bin/mailman/listinfo/m5-users >> >> > _______________________________________________ > m5-users mailing list > m5-users@m5sim.org > http://m5sim.org/cgi-bin/mailman/listinfo/m5-users > _______________________________________________ m5-users mailing list m5-users@m5sim.org http://m5sim.org/cgi-bin/mailman/listinfo/m5-users
