diff options
author | Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> | 2017-10-27 13:09:03 +0100 |
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committer | Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> | 2017-10-31 17:25:37 +0000 |
commit | c413e9a426e263816dd2c11c62589e0532bcf7e9 (patch) | |
tree | 26d5579465a550623bec82a6a7592f409d6ba459 /hw/dma | |
parent | 8413846631113f42f0cd18165f465a6193af7f30 (diff) |
sparc32_dma: switch over to using IOMMU memory region and DMA API
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Diffstat (limited to 'hw/dma')
-rw-r--r-- | hw/dma/sparc32_dma.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/hw/dma/sparc32_dma.c b/hw/dma/sparc32_dma.c index 7d00f1a68f..01afb758b6 100644 --- a/hw/dma/sparc32_dma.c +++ b/hw/dma/sparc32_dma.c @@ -30,6 +30,7 @@ #include "hw/sparc/sparc32_dma.h" #include "hw/sparc/sun4m.h" #include "hw/sysbus.h" +#include "sysemu/dma.h" #include "qapi/error.h" #include "trace.h" @@ -71,16 +72,17 @@ void ledma_memory_read(void *opaque, hwaddr addr, uint8_t *buf, int len, int do_bswap) { DMADeviceState *s = opaque; + IOMMUState *is = (IOMMUState *)s->iommu; int i; addr |= s->dmaregs[3]; trace_ledma_memory_read(addr, len); if (do_bswap) { - sparc_iommu_memory_read(s->iommu, addr, buf, len); + dma_memory_read(&is->iommu_as, addr, buf, len); } else { addr &= ~1; len &= ~1; - sparc_iommu_memory_read(s->iommu, addr, buf, len); + dma_memory_read(&is->iommu_as, addr, buf, len); for(i = 0; i < len; i += 2) { bswap16s((uint16_t *)(buf + i)); } @@ -91,13 +93,14 @@ void ledma_memory_write(void *opaque, hwaddr addr, uint8_t *buf, int len, int do_bswap) { DMADeviceState *s = opaque; + IOMMUState *is = (IOMMUState *)s->iommu; int l, i; uint16_t tmp_buf[32]; addr |= s->dmaregs[3]; trace_ledma_memory_write(addr, len); if (do_bswap) { - sparc_iommu_memory_write(s->iommu, addr, buf, len); + dma_memory_write(&is->iommu_as, addr, buf, len); } else { addr &= ~1; len &= ~1; @@ -108,7 +111,7 @@ void ledma_memory_write(void *opaque, hwaddr addr, for(i = 0; i < l; i += 2) { tmp_buf[i >> 1] = bswap16(*(uint16_t *)(buf + i)); } - sparc_iommu_memory_write(s->iommu, addr, (uint8_t *)tmp_buf, l); + dma_memory_write(&is->iommu_as, addr, tmp_buf, l); len -= l; buf += l; addr += l; @@ -139,18 +142,20 @@ static void dma_set_irq(void *opaque, int irq, int level) void espdma_memory_read(void *opaque, uint8_t *buf, int len) { DMADeviceState *s = opaque; + IOMMUState *is = (IOMMUState *)s->iommu; trace_espdma_memory_read(s->dmaregs[1], len); - sparc_iommu_memory_read(s->iommu, s->dmaregs[1], buf, len); + dma_memory_read(&is->iommu_as, s->dmaregs[1], buf, len); s->dmaregs[1] += len; } void espdma_memory_write(void *opaque, uint8_t *buf, int len) { DMADeviceState *s = opaque; + IOMMUState *is = (IOMMUState *)s->iommu; trace_espdma_memory_write(s->dmaregs[1], len); - sparc_iommu_memory_write(s->iommu, s->dmaregs[1], buf, len); + dma_memory_write(&is->iommu_as, s->dmaregs[1], buf, len); s->dmaregs[1] += len; } |