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authorblueswir1 <blueswir1@c046a42c-6fe2-441c-8c8c-71466251a162>2008-12-15 20:24:25 +0000
committerblueswir1 <blueswir1@c046a42c-6fe2-441c-8c8c-71466251a162>2008-12-15 20:24:25 +0000
commit09723aa114f9755b860dd1b6ad2281dea47b77fc (patch)
treedf7ef76bd580f3661e0687643af92350bdeaacb2
parent3af72a4d98dca033492102603734cbc63cd2694a (diff)
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Revert part of r5853
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6057 c046a42c-6fe2-441c-8c8c-71466251a162
-rw-r--r--hw/sparc32_dma.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/hw/sparc32_dma.c b/hw/sparc32_dma.c
index e12216d..354b551 100644
--- a/hw/sparc32_dma.c
+++ b/hw/sparc32_dma.c
@@ -45,6 +45,9 @@ do { printf("DMA: " fmt , ##args); } while (0)
#define DMA_REGS 4
#define DMA_SIZE (4 * sizeof(uint32_t))
+/* We need the mask, because one instance of the device is not page
+ aligned (ledma, start address 0x0010) */
+#define DMA_MASK (DMA_SIZE - 1)
#define DMA_VER 0xa0000000
#define DMA_INTR 1
@@ -156,7 +159,7 @@ static uint32_t dma_mem_readl(void *opaque, target_phys_addr_t addr)
DMAState *s = opaque;
uint32_t saddr;
- saddr = addr >> 2;
+ saddr = (addr & DMA_MASK) >> 2;
DPRINTF("read dmareg " TARGET_FMT_plx ": 0x%8.8x\n", addr,
s->dmaregs[saddr]);
@@ -168,7 +171,7 @@ static void dma_mem_writel(void *opaque, target_phys_addr_t addr, uint32_t val)
DMAState *s = opaque;
uint32_t saddr;
- saddr = addr >> 2;
+ saddr = (addr & DMA_MASK) >> 2;
DPRINTF("write dmareg " TARGET_FMT_plx ": 0x%8.8x -> 0x%8.8x\n", addr,
s->dmaregs[saddr], val);
switch (saddr) {