diff options
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/acpi_piix4.c | 37 |
1 files changed, 29 insertions, 8 deletions
diff --git a/hw/acpi_piix4.c b/hw/acpi_piix4.c index d2ba56e5bf..263338aa20 100644 --- a/hw/acpi_piix4.c +++ b/hw/acpi_piix4.c @@ -42,6 +42,9 @@ #define GPE_BASE 0xafe0 #define GPE_LEN 4 + +#define PCI_HOTPLUG_ADDR 0xae00 +#define PCI_HOTPLUG_SIZE 0x000f #define PCI_UP_BASE 0xae00 #define PCI_DOWN_BASE 0xae04 #define PCI_EJ_BASE 0xae08 @@ -58,6 +61,7 @@ typedef struct PIIX4PMState { PCIDevice dev; MemoryRegion io; MemoryRegion io_gpe; + MemoryRegion io_pci; ACPIREGS ar; APMState apm; @@ -574,6 +578,27 @@ static uint32_t pcirmv_read(void *opaque, uint32_t addr) return s->pci0_hotplug_enable; } +static const MemoryRegionOps piix4_pci_ops = { + .old_portio = (MemoryRegionPortio[]) { + { + .offset = PCI_UP_BASE - PCI_HOTPLUG_ADDR, .len = 4, .size = 4, + .read = pci_up_read, + },{ + .offset = PCI_DOWN_BASE - PCI_HOTPLUG_ADDR, .len = 4, .size = 4, + .read = pci_down_read, + },{ + .offset = PCI_EJ_BASE - PCI_HOTPLUG_ADDR, .len = 4, .size = 4, + .read = pci_features_read, + .write = pciej_write, + },{ + .offset = PCI_RMV_BASE - PCI_HOTPLUG_ADDR, .len = 4, .size = 4, + .read = pcirmv_read, + }, + PORTIO_END_OF_LIST() + }, + .endianness = DEVICE_LITTLE_ENDIAN, +}; + static int piix4_device_hotplug(DeviceState *qdev, PCIDevice *dev, PCIHotplugState state); @@ -583,14 +608,10 @@ static void piix4_acpi_system_hot_add_init(PCIBus *bus, PIIX4PMState *s) GPE_LEN); memory_region_add_subregion(get_system_io(), GPE_BASE, &s->io_gpe); - register_ioport_read(PCI_UP_BASE, 4, 4, pci_up_read, s); - register_ioport_read(PCI_DOWN_BASE, 4, 4, pci_down_read, s); - - register_ioport_write(PCI_EJ_BASE, 4, 4, pciej_write, s); - register_ioport_read(PCI_EJ_BASE, 4, 4, pci_features_read, s); - - register_ioport_read(PCI_RMV_BASE, 4, 4, pcirmv_read, s); - + memory_region_init_io(&s->io_pci, &piix4_pci_ops, s, "apci-pci-hotplug", + PCI_HOTPLUG_SIZE); + memory_region_add_subregion(get_system_io(), PCI_HOTPLUG_ADDR, + &s->io_pci); pci_bus_hotplug(bus, piix4_device_hotplug, &s->dev.qdev); } |