Oh yeah.  I forgot that the old way we did things allowed us to cheat.

  Nate

On Thu, Nov 20, 2008 at 8:00 PM, Steve Reinhardt <[EMAIL PROTECTED]> 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

Reply via email to