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-rw-r--r--hw/ide/pci.c71
1 files changed, 18 insertions, 53 deletions
diff --git a/hw/ide/pci.c b/hw/ide/pci.c
index ec90f26..3722b77 100644
--- a/hw/ide/pci.c
+++ b/hw/ide/pci.c
@@ -73,72 +73,37 @@ void bmdma_cmd_writeb(void *opaque, uint32_t addr, uint32_t val)
}
}
-uint32_t bmdma_addr_readb(void *opaque, uint32_t addr)
+static void bmdma_addr_read(IORange *ioport, uint64_t addr,
+ unsigned width, uint64_t *data)
{
- 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;
-}
+ BMDMAState *bm = container_of(ioport, BMDMAState, addr_ioport);
+ uint32_t mask = (1ULL << (width * 8)) - 1;
-void bmdma_addr_writeb(void *opaque, uint32_t addr, uint32_t val)
-{
- BMDMAState *bm = opaque;
- int shift = (addr & 3) * 8;
+ *data = (bm->addr >> (addr * 8)) & mask;
#ifdef DEBUG_IDE
- printf("%s: 0x%08x\n", __func__, val);
+ printf("%s: 0x%08x\n", __func__, (unsigned)*data);
#endif
- bm->addr &= ~(0xFF << shift);
- bm->addr |= ((val & 0xFF) << shift) & ~3;
- bm->cur_addr = bm->addr;
}
-uint32_t bmdma_addr_readw(void *opaque, uint32_t addr)
+static void bmdma_addr_write(IORange *ioport, uint64_t addr,
+ unsigned width, uint64_t data)
{
- 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;
-}
+ BMDMAState *bm = container_of(ioport, BMDMAState, addr_ioport);
+ int shift = addr * 8;
+ uint32_t mask = (1ULL << (width * 8)) - 1;
-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);
+ printf("%s: 0x%08x\n", __func__, (unsigned)data);
#endif
- bm->addr &= ~(0xFFFF << shift);
- bm->addr |= ((val & 0xFFFF) << shift) & ~3;
+ bm->addr &= ~(mask << shift);
+ bm->addr |= ((data & mask) << shift) & ~3;
bm->cur_addr = bm->addr;
}
-uint32_t bmdma_addr_readl(void *opaque, uint32_t addr)
-{
- BMDMAState *bm = opaque;
- uint32_t val;
- val = bm->addr;
-#ifdef DEBUG_IDE
- printf("%s: 0x%08x\n", __func__, val);
-#endif
- return val;
-}
-
-void bmdma_addr_writel(void *opaque, uint32_t addr, uint32_t val)
-{
- BMDMAState *bm = opaque;
-#ifdef DEBUG_IDE
- printf("%s: 0x%08x\n", __func__, val);
-#endif
- bm->addr = val & ~3;
- bm->cur_addr = bm->addr;
-}
+const IORangeOps bmdma_addr_ioport_ops = {
+ .read = bmdma_addr_read,
+ .write = bmdma_addr_write,
+};
static bool ide_bmdma_current_needed(void *opaque)
{
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