pci_update_mappings(d);
}
+static inline PCIDevice *pci_addr_to_dev(PCIBus *bus, uint32_t addr)
+{
+ uint8_t bus_num = (addr >> 16) & 0xff;
+ uint8_t devfn = (addr >> 8) & 0xff;
+ return pci_find_device(bus, bus_num, PCI_SLOT(devfn), PCI_FUNC(devfn));
+}
+
+static inline int pci_addr_to_config(uint32_t addr)
+{
+ return addr & (PCI_CONFIG_SPACE_SIZE - 1);
+}
+
void pci_data_write(void *opaque, uint32_t addr, uint32_t val, int len)
{
PCIBus *s = opaque;
PCIDevice *pci_dev;
- int config_addr, bus_num;
+ int config_addr;
#if 0
PCI_DPRINTF("pci_data_write: addr=%08x val=%08x len=%d\n",
addr, val, len);
#endif
- bus_num = (addr >> 16) & 0xff;
- s = pci_find_bus(s, bus_num);
- if (!s)
- return;
- pci_dev = s->devices[(addr >> 8) & 0xff];
+ pci_dev = pci_addr_to_dev(s, addr);
if (!pci_dev)
return;
config_addr = addr & 0xff;
+ config_addr = pci_addr_to_config(addr);
PCI_DPRINTF("pci_config_write: %s: addr=%02x val=%08x len=%d\n",
pci_dev->name, config_addr, val, len);
pci_dev->config_write(pci_dev, config_addr, val, len);
{
PCIBus *s = opaque;
PCIDevice *pci_dev;
- int config_addr, bus_num;
+ int config_addr;
uint32_t val;
- bus_num = (addr >> 16) & 0xff;
- s = pci_find_bus(s, bus_num);
- if (!s)
- goto fail;
- pci_dev = s->devices[(addr >> 8) & 0xff];
+ pci_dev = pci_addr_to_dev(s, addr);
if (!pci_dev) {
- fail:
switch(len) {
case 1:
val = 0xff;
}
goto the_end;
}
- config_addr = addr & 0xff;
+ config_addr = pci_addr_to_config(addr);
val = pci_dev->config_read(pci_dev, config_addr, len);
PCI_DPRINTF("pci_config_read: %s: addr=%02x val=%08x len=%d\n",
pci_dev->name, config_addr, val, len);