summaryrefslogtreecommitdiff
path: root/dma-helpers.c
diff options
context:
space:
mode:
Diffstat (limited to 'dma-helpers.c')
-rw-r--r--dma-helpers.c25
1 files changed, 12 insertions, 13 deletions
diff --git a/dma-helpers.c b/dma-helpers.c
index 433d8b21b3..3f09dcb072 100644
--- a/dma-helpers.c
+++ b/dma-helpers.c
@@ -14,7 +14,8 @@
/* #define DEBUG_IOMMU */
-static void do_dma_memory_set(dma_addr_t addr, uint8_t c, dma_addr_t len)
+static void do_dma_memory_set(AddressSpace *as,
+ dma_addr_t addr, uint8_t c, dma_addr_t len)
{
#define FILLBUF_SIZE 512
uint8_t fillbuf[FILLBUF_SIZE];
@@ -23,7 +24,7 @@ static void do_dma_memory_set(dma_addr_t addr, uint8_t c, dma_addr_t len)
memset(fillbuf, c, FILLBUF_SIZE);
while (len > 0) {
l = len < FILLBUF_SIZE ? len : FILLBUF_SIZE;
- cpu_physical_memory_rw(addr, fillbuf, l, true);
+ address_space_rw(as, addr, fillbuf, l, true);
len -= l;
addr += l;
}
@@ -36,7 +37,7 @@ int dma_memory_set(DMAContext *dma, dma_addr_t addr, uint8_t c, dma_addr_t len)
if (dma_has_iommu(dma)) {
return iommu_dma_memory_set(dma, addr, c, len);
}
- do_dma_memory_set(addr, c, len);
+ do_dma_memory_set(dma->as, addr, c, len);
return 0;
}
@@ -332,8 +333,7 @@ int iommu_dma_memory_rw(DMAContext *dma, dma_addr_t addr,
plen = len;
}
- cpu_physical_memory_rw(paddr, buf, plen,
- dir == DMA_DIRECTION_FROM_DEVICE);
+ address_space_rw(dma->as, paddr, buf, plen, dir == DMA_DIRECTION_FROM_DEVICE);
len -= plen;
addr += plen;
@@ -366,7 +366,7 @@ int iommu_dma_memory_set(DMAContext *dma, dma_addr_t addr, uint8_t c,
plen = len;
}
- do_dma_memory_set(paddr, c, plen);
+ do_dma_memory_set(dma->as, paddr, c, plen);
len -= plen;
addr += plen;
@@ -375,13 +375,14 @@ int iommu_dma_memory_set(DMAContext *dma, dma_addr_t addr, uint8_t c,
return 0;
}
-void dma_context_init(DMAContext *dma, DMATranslateFunc translate,
+void dma_context_init(DMAContext *dma, AddressSpace *as, DMATranslateFunc translate,
DMAMapFunc map, DMAUnmapFunc unmap)
{
#ifdef DEBUG_IOMMU
fprintf(stderr, "dma_context_init(%p, %p, %p, %p)\n",
dma, translate, map, unmap);
#endif
+ dma->as = as;
dma->translate = translate;
dma->map = map;
dma->unmap = unmap;
@@ -407,14 +408,13 @@ void *iommu_dma_memory_map(DMAContext *dma, dma_addr_t addr, dma_addr_t *len,
/*
* If this is true, the virtual region is contiguous,
* but the translated physical region isn't. We just
- * clamp *len, much like cpu_physical_memory_map() does.
+ * clamp *len, much like address_space_map() does.
*/
if (plen < *len) {
*len = plen;
}
- buf = cpu_physical_memory_map(paddr, &plen,
- dir == DMA_DIRECTION_FROM_DEVICE);
+ buf = address_space_map(dma->as, paddr, &plen, dir == DMA_DIRECTION_FROM_DEVICE);
*len = plen;
return buf;
@@ -428,8 +428,7 @@ void iommu_dma_memory_unmap(DMAContext *dma, void *buffer, dma_addr_t len,
return;
}
- cpu_physical_memory_unmap(buffer, len,
- dir == DMA_DIRECTION_FROM_DEVICE,
- access_len);
+ address_space_unmap(dma->as, buffer, len, dir == DMA_DIRECTION_FROM_DEVICE,
+ access_len);
}