}
}
+static uint32_t bmdma_addr_readb(void *opaque, uint32_t addr)
+{
+ BMDMAState *bm = opaque;
+ uint32_t val;
+ val = (bm->addr >> ((addr & 3) * 8)) & 0xff;
+#ifdef DEBUG_IDE
+ printf("%s: 0x%08x\n", __func__, val);
+#endif
+ return val;
+}
+
+static void bmdma_addr_writeb(void *opaque, uint32_t addr, uint32_t val)
+{
+ BMDMAState *bm = opaque;
+ int shift = (addr & 3) * 8;
+#ifdef DEBUG_IDE
+ printf("%s: 0x%08x\n", __func__, val);
+#endif
+ bm->addr &= ~(0xFF << shift);
+ bm->addr |= ((val & 0xFF) << shift) & ~3;
+ bm->cur_addr = bm->addr;
+}
+
+static uint32_t bmdma_addr_readw(void *opaque, uint32_t addr)
+{
+ BMDMAState *bm = opaque;
+ uint32_t val;
+ val = (bm->addr >> ((addr & 3) * 8)) & 0xffff;
+#ifdef DEBUG_IDE
+ printf("%s: 0x%08x\n", __func__, val);
+#endif
+ return val;
+}
+
+static void bmdma_addr_writew(void *opaque, uint32_t addr, uint32_t val)
+{
+ BMDMAState *bm = opaque;
+ int shift = (addr & 3) * 8;
+#ifdef DEBUG_IDE
+ printf("%s: 0x%08x\n", __func__, val);
+#endif
+ bm->addr &= ~(0xFFFF << shift);
+ bm->addr |= ((val & 0xFFFF) << shift) & ~3;
+ bm->cur_addr = bm->addr;
+}
+
static uint32_t bmdma_addr_readl(void *opaque, uint32_t addr)
{
BMDMAState *bm = opaque;
register_ioport_write(addr + 1, 3, 1, bmdma_writeb, bm);
register_ioport_read(addr, 4, 1, bmdma_readb, bm);
+ register_ioport_write(addr + 4, 4, 1, bmdma_addr_writeb, bm);
+ register_ioport_read(addr + 4, 4, 1, bmdma_addr_readb, bm);
+ register_ioport_write(addr + 4, 4, 2, bmdma_addr_writew, bm);
+ register_ioport_read(addr + 4, 4, 2, bmdma_addr_readw, bm);
register_ioport_write(addr + 4, 4, 4, bmdma_addr_writel, bm);
register_ioport_read(addr + 4, 4, 4, bmdma_addr_readl, bm);
addr += 8;