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
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