rtl: switch to symbolic names for pci registers

No functional changes. I verified that the generated binary
does not change.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Juan Quintela <quintela@redhat.com>
Acked-by: Glauber Costa <glommer@gmail.com>

diff --git a/hw/rtl8139.c b/hw/rtl8139.c
index fcdcd1d..1f4f585 100644 (file)
--- a/hw/rtl8139.c
+++ b/hw/rtl8139.c
@@ -3320,16 +3320,20 @@ static int pci_rtl8139_init(PCIDevice *dev)
     pci_conf = s->dev.config;
     pci_config_set_vendor_id(pci_conf, PCI_VENDOR_ID_REALTEK);
     pci_config_set_device_id(pci_conf, PCI_DEVICE_ID_REALTEK_8139);
-    pci_conf[0x04] = 0x05; /* command = I/O space, Bus Master */
-    pci_conf[0x08] = RTL8139_PCI_REVID; /* PCI revision ID; >=0x20 is for 8139C+ */
+    /* TODO: value should be 0 at RST#. */
+    pci_conf[PCI_COMMAND] = PCI_COMMAND_IO | PCI_COMMAND_MASTER;
+    pci_conf[PCI_REVISION_ID] = RTL8139_PCI_REVID; /* >=0x20 is for 8139C+ */
     pci_config_set_class(pci_conf, PCI_CLASS_NETWORK_ETHERNET);
-    pci_conf[PCI_HEADER_TYPE] = PCI_HEADER_TYPE_NORMAL; /* header_type */
-    pci_conf[0x3d] = 1;    /* interrupt pin 0 */
-    pci_conf[0x34] = 0xdc;
+    pci_conf[PCI_HEADER_TYPE] = PCI_HEADER_TYPE_NORMAL;
+    /* TODO: value should be 0 at RST# */
+    pci_conf[PCI_INTERRUPT_PIN] = 1;    /* interrupt pin 0 */
+    /* TODO: start of capability list, but no capability
+     * list bit in status register, and offset 0xdc seems unused. */
+    pci_conf[PCI_CAPABILITY_LIST] = 0xdc;
 
     /* I/O handler for memory-mapped I/O */
     s->rtl8139_mmio_io_addr =
-    cpu_register_io_memory(rtl8139_mmio_read, rtl8139_mmio_write, s);
+        cpu_register_io_memory(rtl8139_mmio_read, rtl8139_mmio_write, s);
 
     pci_register_bar(&s->dev, 0, 0x100,
                            PCI_BASE_ADDRESS_SPACE_IO,  rtl8139_ioport_map);