Revision 492c30af hw/etraxfs_dma.c
| b/hw/etraxfs_dma.c | ||
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#include <stdio.h> |
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#include <sys/time.h> |
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#include "hw.h" |
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#include "qemu-common.h" |
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#include "sysemu.h" |
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|
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#include "etraxfs_dma.h" |
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|
| ... | ... | |
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int nr_channels; |
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struct fs_dma_channel *channels; |
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|
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QEMUBH *bh; |
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}; |
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static inline uint32_t channel_reg(struct fs_dma_ctrl *ctrl, int c, int reg) |
| ... | ... | |
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} |
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|
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static void *etraxfs_dmac; |
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void DMA_run(void) |
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static void DMA_run(void *opaque) |
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{
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if (etraxfs_dmac) |
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etraxfs_dmac_run(etraxfs_dmac); |
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struct fs_dma_ctrl *etraxfs_dmac = opaque; |
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if (vm_running) |
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etraxfs_dmac_run(etraxfs_dmac); |
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qemu_bh_schedule_idle(etraxfs_dmac->bh); |
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} |
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|
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void *etraxfs_dmac_init(CPUState *env, |
| ... | ... | |
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if (!ctrl) |
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return NULL; |
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ctrl->bh = qemu_bh_new(DMA_run, ctrl); |
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qemu_bh_schedule_idle(ctrl->bh); |
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|
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ctrl->base = base; |
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ctrl->env = env; |
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ctrl->nr_channels = nr_channels; |
| ... | ... | |
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ctrl->channels[i].regmap); |
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} |
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/* Hax, we only support one DMA controller at a time. */ |
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etraxfs_dmac = ctrl; |
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return ctrl; |
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err: |
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qemu_free(ctrl->channels); |
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