diff options
Diffstat (limited to 'hw/sparc32_dma.c')
| -rw-r--r-- | hw/sparc32_dma.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/hw/sparc32_dma.c b/hw/sparc32_dma.c index e12216d60..354b5519a 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) { |