Thank you Ali, Now I can see things clearly.Basically I am new to M5 and started exploring it from scratch and I am working on a project where I need to connect an accelerator to the processor through the bus. I would rather to use a simple processor like ARM not X86 or Alpha. Considering your expertise, can you suggest the most straightforward way to achieve this goal using M5. Assuming my accelerator will be implemented in M5.
Regards, Digant Desai. 480-717-7851 On Mon, Apr 4, 2011 at 09:35, Ali Saidi <[email protected]> wrote: > Hi Digant, > > > > Yes it's pretty much I/O AT specific. The PL081 has a lot more features > than the I/O AT one. What are you trying to use the dma engine for anyway? > The I/O AT dma engine and the PL081 are significantly different and thus > substantial modifications would be required. > > > > Ali > > > > > > On Fri, 1 Apr 2011 19:25:33 -0700, Digant <[email protected]> wrote: > > Ali, > I was looking at copy_engine codes.I realised a state machine has been > implemented by you. Its good. > Is it Intel I/O AT specific ? Do I need to develop something for ARM ? > Can I use the same state machine with little modifications ? > > > Regards, > Digant Desai. > 480-717-7851 > > > > On Wed, Mar 30, 2011 at 14:59, Ali Saidi <[email protected]> wrote: > >> src/dev/copy_engine.* is a very simple dma engine that could give you an >> idea how devices are developed in M5. I believe that the PL081 is >> significantly more complicated. The documentation for the PL081 can be found >> at: http://infocenter.arm.com/help/topic/com.arm.doc.ddi0218e/index.html >> >> Thanks, >> >> Ali >> >> >> >> >> >> On Wed, 30 Mar 2011 14:39:00 -0700, Digant <[email protected]> wrote: >> >> Ali, >> I would love to work on it, Can you suggest me any good starting point ? >> >> Regards, >> Digant Desai. >> 480-717-7851 >> >> >> >> On Tue, Mar 29, 2011 at 21:41, Ali Saidi <[email protected]> wrote: >> >>> No one has implemented one yet. I'm sure it would be useful to have if >>> you're willing to do it. >>> Ali >>> >>> Sent from my ARM powered device >>> >>> On Mar 29, 2011, at 10:41 PM, Digant <[email protected]> wrote: >>> >>> Hi all, >>> I want to know the status of *Single Master DMA Controller (PL081)*. >>> Is it implemented ? I tried using it on ARM_FS but I couldn't. >>> Is there any way I can do DMA operations on ARM ? >>> Thank you. >>> Digant Desai. >>> >>> _______________________________________________ >>> 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 >>> >> >> >> > > >
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