diff options
Diffstat (limited to 'hw/piix_pci.c')
| -rw-r--r-- | hw/piix_pci.c | 51 |
1 files changed, 47 insertions, 4 deletions
diff --git a/hw/piix_pci.c b/hw/piix_pci.c index b927f01bdc..e0da0bdf91 100644 --- a/hw/piix_pci.c +++ b/hw/piix_pci.c @@ -29,6 +29,7 @@ #include "isa.h" #include "sysbus.h" #include "range.h" +#include "xen.h" /* * I440FX chipset data sheet. @@ -172,6 +173,13 @@ static void i440fx_write_config(PCIDevice *dev, } } +static void i440fx_write_config_xen(PCIDevice *dev, + uint32_t address, uint32_t val, int len) +{ + xen_piix_pci_write_config_client(address, val, len); + i440fx_write_config(dev, address, val, len); +} + static int i440fx_load_old(QEMUFile* f, void *opaque, int version_id) { PCII440FXState *d = opaque; @@ -234,7 +242,10 @@ static int i440fx_initfn(PCIDevice *dev) return 0; } -PCIBus *i440fx_init(PCII440FXState **pi440fx_state, int *piix3_devfn, qemu_irq *pic, ram_addr_t ram_size) +static PCIBus *i440fx_common_init(const char *device_name, + PCII440FXState **pi440fx_state, + int *piix3_devfn, + qemu_irq *pic, ram_addr_t ram_size) { DeviceState *dev; PCIBus *b; @@ -248,13 +259,13 @@ PCIBus *i440fx_init(PCII440FXState **pi440fx_state, int *piix3_devfn, qemu_irq * s->bus = b; qdev_init_nofail(dev); - d = pci_create_simple(b, 0, "i440FX"); + d = pci_create_simple(b, 0, device_name); *pi440fx_state = DO_UPCAST(PCII440FXState, dev, d); piix3 = DO_UPCAST(PIIX3State, dev, pci_create_simple_multifunction(b, -1, true, "PIIX3")); piix3->pic = pic; - pci_bus_irqs(b, piix3_set_irq, pci_slot_get_pirq, piix3, PIIX_NUM_PIRQS); + (*pi440fx_state)->piix3 = piix3; *piix3_devfn = piix3->dev.devfn; @@ -267,12 +278,36 @@ PCIBus *i440fx_init(PCII440FXState **pi440fx_state, int *piix3_devfn, qemu_irq * return b; } +PCIBus *i440fx_init(PCII440FXState **pi440fx_state, int *piix3_devfn, + qemu_irq *pic, ram_addr_t ram_size) +{ + PCIBus *b; + + b = i440fx_common_init("i440FX", pi440fx_state, piix3_devfn, pic, ram_size); + pci_bus_irqs(b, piix3_set_irq, pci_slot_get_pirq, (*pi440fx_state)->piix3, + PIIX_NUM_PIRQS); + + return b; +} + +PCIBus *i440fx_xen_init(PCII440FXState **pi440fx_state, int *piix3_devfn, + qemu_irq *pic, ram_addr_t ram_size) +{ + PCIBus *b; + + b = i440fx_common_init("i440FX-xen", pi440fx_state, piix3_devfn, pic, ram_size); + pci_bus_irqs(b, xen_piix3_set_irq, xen_pci_slot_get_pirq, + (*pi440fx_state)->piix3, PIIX_NUM_PIRQS); + + return b; +} + /* PIIX3 PCI to ISA bridge */ static void piix3_set_irq_pic(PIIX3State *piix3, int pic_irq) { qemu_set_irq(piix3->pic[pic_irq], !!(piix3->pic_levels & - (((1UL << PIIX_NUM_PIRQS) - 1) << + (((1ULL << PIIX_NUM_PIRQS) - 1) << (pic_irq * PIIX_NUM_PIRQS)))); } @@ -422,6 +457,14 @@ static PCIDeviceInfo i440fx_info[] = { .revision = 0x02, .class_id = PCI_CLASS_BRIDGE_HOST, },{ + .qdev.name = "i440FX-xen", + .qdev.desc = "Host bridge", + .qdev.size = sizeof(PCII440FXState), + .qdev.vmsd = &vmstate_i440fx, + .qdev.no_user = 1, + .init = i440fx_initfn, + .config_write = i440fx_write_config_xen, + },{ .qdev.name = "PIIX3", .qdev.desc = "ISA bridge", .qdev.size = sizeof(PIIX3State), |