bcm2835_dma: add emulation of Raspberry Pi DMA controller
At present, all DMA transfers complete inline (so a looping descriptor queue will lock up the device). We also do not model pause/abort, arbitrarion/priority, or debug features. Signed-off-by: NGrégory ESTRADE <gregory.estrade@gmail.com> Reviewed-by: NPeter Maydell <peter.maydell@linaro.org> Signed-off-by: NAndrew Baumann <Andrew.Baumann@microsoft.com> Message-id: 1457467526-8840-6-git-send-email-Andrew.Baumann@microsoft.com [AB: implement 2D mode, cleanup/refactoring for upstream submission] Signed-off-by: NAndrew Baumann <Andrew.Baumann@microsoft.com> Reviewed-by: NPeter Maydell <peter.maydell@linaro.org> Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>
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hw/dma/bcm2835_dma.c
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include/hw/dma/bcm2835_dma.h
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