ide: convert bmdma address ioport to ioport_register()

cmd646, via compile tested, pci lightly boot tested.

Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>

hw/ide/cmd646.c

@@ -179,12 +179,8 @@ static void bmdma_map(PCIDevice *pci_dev, int region_num,
             register_ioport_read(addr, 4, 1, bmdma_readb_1, d);
         }
 
-        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);
+        iorange_init(&bm->addr_ioport, &bmdma_addr_ioport_ops, addr + 4, 4);
+        ioport_register(&bm->addr_ioport);
         addr += 8;
     }
 }

hw/ide/internal.h

@@ -8,6 +8,7 @@
  */
 #include <hw/ide.h>
 #include "block_int.h"
+#include "iorange.h"
 
 /* debug IDE devices */
 //#define DEBUG_IDE
@@ -496,6 +497,7 @@ struct BMDMAState {
     QEMUIOVector qiov;
     int64_t sector_num;
     uint32_t nsector;
+    IORange addr_ioport;
     QEMUBH *bh;
 };
 

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)
 {

hw/ide/pci.h

@@ -11,12 +11,7 @@ typedef struct PCIIDEState {
 } PCIIDEState;
 
 void bmdma_cmd_writeb(void *opaque, uint32_t addr, uint32_t val);
-uint32_t bmdma_addr_readb(void *opaque, uint32_t addr);
-void bmdma_addr_writeb(void *opaque, uint32_t addr, uint32_t val);
-uint32_t bmdma_addr_readw(void *opaque, uint32_t addr);
-void bmdma_addr_writew(void *opaque, uint32_t addr, uint32_t val);
-uint32_t bmdma_addr_readl(void *opaque, uint32_t addr);
-void bmdma_addr_writel(void *opaque, uint32_t addr, uint32_t val);
+extern const IORangeOps bmdma_addr_ioport_ops;
 void pci_ide_create_devs(PCIDevice *dev, DriveInfo **hd_table);
 
 extern const VMStateDescription vmstate_ide_pci;

hw/ide/piix.c

@@ -85,12 +85,8 @@ static void bmdma_map(PCIDevice *pci_dev, int region_num,
         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);
+        iorange_init(&bm->addr_ioport, &bmdma_addr_ioport_ops, addr + 4, 4);
+        ioport_register(&bm->addr_ioport);
         addr += 8;
     }
 }

hw/ide/via.c

@@ -87,12 +87,8 @@ static void bmdma_map(PCIDevice *pci_dev, int region_num,
         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);
+        iorange_init(&bm->addr_ioport, &bmdma_addr_ioport_ops, addr + 4, 4);
+        ioport_register(&bm->addr_ioport);
         addr += 8;
     }
 }