@@ -681,6 +681,7 @@ static void rc4030_do_dma(void *opaque, int n, uint8_t *buf, int len, int is_wri
rc4030State *s = opaque;
hwaddr dma_addr;
int dev_to_mem;
+ int i;
s->dma_regs[n][DMA_REG_ENABLE] &= ~(DMA_FLAG_TC_INTR | DMA_FLAG_MEM_INTR | DMA_FLAG_ADDR_INTR);
@@ -699,8 +700,17 @@ static void rc4030_do_dma(void *opaque, int n, uint8_t *buf, int len, int is_wri
dma_addr = s->dma_regs[n][DMA_REG_ADDRESS];
/* Read/write data at right place */
- address_space_rw(&s->dma_as, dma_addr, MEMTXATTRS_UNSPECIFIED,
- buf, len, is_write);
+ for (i = 0; i < len; ) {
+ int ncpy = DMA_PAGESIZE - (dma_addr & (DMA_PAGESIZE - 1));
+ if (ncpy > len - i) {
+ ncpy = len - i;
+ }
+ address_space_rw(&s->dma_as, dma_addr, MEMTXATTRS_UNSPECIFIED,
+ buf + i, ncpy, is_write);
+
+ dma_addr += ncpy;
+ i += ncpy;
+ }
s->dma_regs[n][DMA_REG_ENABLE] |= DMA_FLAG_TC_INTR;
s->dma_regs[n][DMA_REG_COUNT] -= len;