ESP DMA fix.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2110 c046a42c-6fe2-441c-8c8c-71466251a162
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35f1df84b6
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3
hw/esp.c
3
hw/esp.c
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@ -206,7 +206,6 @@ static void esp_do_dma(ESPState *s)
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{
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{
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uint32_t dmaptr, minlen, len, from, to;
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uint32_t dmaptr, minlen, len, from, to;
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int to_device;
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int to_device;
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dmaptr = iommu_translate(s->espdmaregs[1]);
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to_device = (s->espdmaregs[0] & DMA_WRITE_MEM) == 0;
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to_device = (s->espdmaregs[0] & DMA_WRITE_MEM) == 0;
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from = s->espdmaregs[1];
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from = s->espdmaregs[1];
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minlen = s->dma_left;
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minlen = s->dma_left;
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@ -218,8 +217,8 @@ static void esp_do_dma(ESPState *s)
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len = to - from;
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len = to - from;
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}
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}
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DPRINTF("DMA address p %08x v %08x len %08x, from %08x, to %08x\n", dmaptr, s->espdmaregs[1], len, from, to);
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DPRINTF("DMA address p %08x v %08x len %08x, from %08x, to %08x\n", dmaptr, s->espdmaregs[1], len, from, to);
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s->espdmaregs[1] += len;
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if (s->do_cmd) {
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if (s->do_cmd) {
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s->espdmaregs[1] += len;
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s->ti_size -= len;
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s->ti_size -= len;
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DPRINTF("command len %d + %d\n", s->cmdlen, len);
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DPRINTF("command len %d + %d\n", s->cmdlen, len);
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cpu_physical_memory_read(dmaptr, &s->cmdbuf[s->cmdlen], len);
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cpu_physical_memory_read(dmaptr, &s->cmdbuf[s->cmdlen], len);
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