On 12.03.2012 21:18, Tony Feng wrote:
> Hi, > The plan is to make ARM FS simulation work with Ruby. Btw, has anyone done this work so far? I'm new to GEM5, so not very familiar with the code structure yet. > As a start, I made some changes on ruby_fs.py, and added a new class into FSConfig.py to make an ARM+Ruby system. In that new class, I want to specify which dma_devices the ARM system has in the following way > self._dma_devices = [???] > similar to the line self._dma_devices = [self.pc.south_bridge.ide] in X86. I tried leaving it blank, but ran into segmentation fault. Can anyone please point out what options I have or which file I should look at? > -Tony Hopefully one of the Ruby guys can chime in? I don't know, but on the simplest ARM system we model ti gem5 the only DMA devices are the frame buffer. If you look in src/dev/arm/Realview.py anything that connects a dma port is a dma device. To my knowledge no one is working on this, and it would be nice to have. Thanks, Ali
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