diff options
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/pci_host.h | 3 | ||||
| -rw-r--r-- | hw/piix_pci.c | 108 |
2 files changed, 85 insertions, 26 deletions
diff --git a/hw/pci_host.h b/hw/pci_host.h index 757b0e2..48862b5 100644 --- a/hw/pci_host.h +++ b/hw/pci_host.h @@ -28,6 +28,8 @@ /* debug PCI */ //#define DEBUG_PCI +#include "sysbus.h" + #ifdef DEBUG_PCI #define PCI_DPRINTF(fmt, ...) \ do { printf("pci_host_data: " fmt , ## __VA_ARGS__); } while (0) @@ -36,6 +38,7 @@ do { printf("pci_host_data: " fmt , ## __VA_ARGS__); } while (0) #endif typedef struct { + SysBusDevice busdev; uint32_t config_reg; PCIBus *bus; } PCIHostState; diff --git a/hw/piix_pci.c b/hw/piix_pci.c index fce01d4..db40ed3 100644 --- a/hw/piix_pci.c +++ b/hw/piix_pci.c @@ -25,6 +25,7 @@ #include "hw.h" #include "pc.h" #include "pci.h" +#include "sysbus.h" typedef uint32_t pci_addr_t; #include "pci_host.h" @@ -169,16 +170,9 @@ static int i440fx_load(QEMUFile* f, void *opaque, int version_id) return 0; } -PCIBus *i440fx_init(PCIDevice **pi440fx_state, qemu_irq *pic) +static void i440fx_pcihost_initfn(SysBusDevice *dev) { - PCIBus *b; - PCIDevice *d; - I440FXState *s; - - s = qemu_mallocz(sizeof(I440FXState)); - b = pci_register_bus(NULL, "pci", - piix3_set_irq, pci_slot_get_pirq, pic, 0, 4); - s->bus = b; + I440FXState *s = FROM_SYSBUS(I440FXState, dev); register_ioport_write(0xcf8, 4, 4, i440fx_addr_writel, s); register_ioport_read(0xcf8, 4, 4, i440fx_addr_readl, s); @@ -189,10 +183,10 @@ PCIBus *i440fx_init(PCIDevice **pi440fx_state, qemu_irq *pic) register_ioport_read(0xcfc, 4, 1, pci_host_data_readb, s); register_ioport_read(0xcfc, 4, 2, pci_host_data_readw, s); register_ioport_read(0xcfc, 4, 4, pci_host_data_readl, s); +} - d = pci_register_device(b, "i440FX", sizeof(PCIDevice), 0, - NULL, i440fx_write_config); - +static void i440fx_initfn(PCIDevice *d) +{ pci_config_set_vendor_id(d->config, PCI_VENDOR_ID_INTEL); pci_config_set_device_id(d->config, PCI_DEVICE_ID_INTEL_82441); d->config[0x08] = 0x02; // revision @@ -202,7 +196,25 @@ PCIBus *i440fx_init(PCIDevice **pi440fx_state, qemu_irq *pic) d->config[0x72] = 0x02; /* SMRAM */ register_savevm("I440FX", 0, 2, i440fx_save, i440fx_load, d); +} + +PCIBus *i440fx_init(PCIDevice **pi440fx_state, qemu_irq *pic) +{ + DeviceState *dev; + PCIBus *b; + PCIDevice *d; + I440FXState *s; + + dev = qdev_create(NULL, "i440FX-pcihost"); + s = FROM_SYSBUS(I440FXState, sysbus_from_qdev(dev)); + b = pci_register_bus(&s->busdev.qdev, "pci.0", + piix3_set_irq, pci_slot_get_pirq, pic, 0, 4); + s->bus = b; + qdev_init(dev); + + d = pci_create_simple(b, 0, "i440FX"); *pi440fx_state = d; + return b; } @@ -326,49 +338,93 @@ static int piix_load(QEMUFile* f, void *opaque, int version_id) return pci_device_load(d, f); } -int piix3_init(PCIBus *bus, int devfn) +static void piix3_initfn(PCIDevice *d) { - PCIDevice *d; uint8_t *pci_conf; - d = pci_register_device(bus, "PIIX3", sizeof(PCIDevice), - devfn, NULL, NULL); register_savevm("PIIX3", 0, 2, piix_save, piix_load, d); - piix3_dev = d; pci_conf = d->config; - pci_config_set_vendor_id(pci_conf, PCI_VENDOR_ID_INTEL); pci_config_set_device_id(pci_conf, PCI_DEVICE_ID_INTEL_82371SB_0); // 82371SB PIIX3 PCI-to-ISA bridge (Step A1) pci_config_set_class(pci_conf, PCI_CLASS_BRIDGE_ISA); pci_conf[PCI_HEADER_TYPE] = PCI_HEADER_TYPE_NORMAL | PCI_HEADER_TYPE_MULTI_FUNCTION; // header_type = PCI_multifunction, generic + piix3_dev = d; piix3_reset(d); qemu_register_reset(piix3_reset, d); - return d->devfn; } -int piix4_init(PCIBus *bus, int devfn) +static void piix4_initfn(PCIDevice *d) { - PCIDevice *d; uint8_t *pci_conf; - d = pci_register_device(bus, "PIIX4", sizeof(PCIDevice), - devfn, NULL, NULL); register_savevm("PIIX4", 0, 2, piix_save, piix_load, d); - piix4_dev = d; pci_conf = d->config; - pci_config_set_vendor_id(pci_conf, PCI_VENDOR_ID_INTEL); pci_config_set_device_id(pci_conf, PCI_DEVICE_ID_INTEL_82371AB_0); // 82371AB/EB/MB PIIX4 PCI-to-ISA bridge pci_config_set_class(pci_conf, PCI_CLASS_BRIDGE_ISA); pci_conf[PCI_HEADER_TYPE] = PCI_HEADER_TYPE_NORMAL | PCI_HEADER_TYPE_MULTI_FUNCTION; // header_type = PCI_multifunction, generic - + piix4_dev = d; piix4_reset(d); qemu_register_reset(piix4_reset, d); +} + +int piix3_init(PCIBus *bus, int devfn) +{ + PCIDevice *d; + + d = pci_create_simple(bus, devfn, "PIIX3"); return d->devfn; } + +int piix4_init(PCIBus *bus, int devfn) +{ + PCIDevice *d; + + d = pci_create_simple(bus, devfn, "PIIX4"); + return d->devfn; +} + +static PCIDeviceInfo i440fx_info[] = { + { + .qdev.name = "i440FX", + .qdev.desc = "Host bridge", + .qdev.size = sizeof(PCIDevice), + .qdev.no_user = 1, + .init = i440fx_initfn, + .config_write = i440fx_write_config, + },{ + .qdev.name = "PIIX3", + .qdev.desc = "ISA bridge", + .qdev.size = sizeof(PCIDevice), + .qdev.no_user = 1, + .init = piix3_initfn, + },{ + .qdev.name = "PIIX4", + .qdev.desc = "ISA bridge", + .qdev.size = sizeof(PCIDevice), + .qdev.no_user = 1, + .init = piix4_initfn, + },{ + /* end of list */ + } +}; + +static SysBusDeviceInfo i440fx_pcihost_info = { + .init = i440fx_pcihost_initfn, + .qdev.name = "i440FX-pcihost", + .qdev.size = sizeof(I440FXState), + .qdev.no_user = 1, +}; + +static void i440fx_register(void) +{ + sysbus_register_withprop(&i440fx_pcihost_info); + pci_qdev_register_many(i440fx_info); +} +device_init(i440fx_register); |