[Qemu-devel] [PATCH v3 025/197] i440fx: rename piix_pci -> i440fx

[Anthony Liguori]

Signed-off-by: Anthony Liguori <address@hidden>
---
 Makefile.objs |    2 +-
 hw/i440fx.c   |  381 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 hw/piix_pci.c |  381 ---------------------------------------------------------
 3 files changed, 382 insertions(+), 382 deletions(-)
 create mode 100644 hw/i440fx.c
 delete mode 100644 hw/piix_pci.c

diff --git a/Makefile.objs b/Makefile.objs
index bdc0e42..67e1ae5 100644
--- a/Makefile.objs
+++ b/Makefile.objs
@@ -294,7 +294,7 @@ hw-obj-$(CONFIG_DS1225Y) += ds1225y.o
 hw-obj-$(CONFIG_MIPSNET) += mipsnet.o
 
 # HW
-hw-obj-y += piix_pci.o piix3.o
+hw-obj-y += i440fx.o piix3.o
 
 # Sound
 sound-obj-y =
diff --git a/hw/i440fx.c b/hw/i440fx.c
new file mode 100644
index 0000000..e0600dd
--- /dev/null
+++ b/hw/i440fx.c
@@ -0,0 +1,381 @@
+/*
+ * QEMU i440FX/PIIX3 PCI Bridge Emulation
+ *
+ * Copyright (c) 2006 Fabrice Bellard
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to 
deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 
FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "hw.h"
+#include "pc.h"
+#include "pci.h"
+#include "pci_host.h"
+#include "isa.h"
+#include "sysbus.h"
+#include "range.h"
+#include "xen.h"
+#include "piix3.h"
+
+/*
+ * I440FX chipset data sheet.
+ * http://download.intel.com/design/chipsets/datashts/29054901.pdf
+ */
+
+typedef PCIHostState I440FXState;
+
+typedef struct PAMMemoryRegion {
+    MemoryRegion mem;
+    bool initialized;
+} PAMMemoryRegion;
+
+struct PCII440FXState {
+    PCIDevice dev;
+    MemoryRegion *system_memory;
+    MemoryRegion *pci_address_space;
+    MemoryRegion *ram_memory;
+    MemoryRegion pci_hole;
+    MemoryRegion pci_hole_64bit;
+    PAMMemoryRegion pam_regions[13];
+    MemoryRegion smram_region;
+    uint8_t smm_enabled;
+    bool smram_enabled;
+    PIIX3State *piix3;
+};
+
+#define I440FX_PAM      0x59
+#define I440FX_PAM_SIZE 7
+#define I440FX_SMRAM    0x72
+
+static void update_pam(PCII440FXState *d, uint32_t start, uint32_t end, int r,
+                       PAMMemoryRegion *mem)
+{
+    if (mem->initialized) {
+        memory_region_del_subregion(d->system_memory, &mem->mem);
+        memory_region_destroy(&mem->mem);
+    }
+
+    //    printf("ISA mapping %08x-0x%08x: %d\n", start, end, r);
+    switch(r) {
+    case 3:
+        /* RAM */
+        memory_region_init_alias(&mem->mem, "pam-ram", d->ram_memory,
+                                 start, end - start);
+        break;
+    case 1:
+        /* ROM (XXX: not quite correct) */
+        memory_region_init_alias(&mem->mem, "pam-rom", d->ram_memory,
+                                 start, end - start);
+        memory_region_set_readonly(&mem->mem, true);
+        break;
+    case 2:
+    case 0:
+        /* XXX: should distinguish read/write cases */
+        memory_region_init_alias(&mem->mem, "pam-pci", d->pci_address_space,
+                                 start, end - start);
+        break;
+    }
+    memory_region_add_subregion_overlap(d->system_memory,
+                                        start, &mem->mem, 1);
+    mem->initialized = true;
+}
+
+static void i440fx_update_memory_mappings(PCII440FXState *d)
+{
+    int i, r;
+    uint32_t smram;
+
+    memory_region_transaction_begin();
+    update_pam(d, 0xf0000, 0x100000, (d->dev.config[I440FX_PAM] >> 4) & 3,
+               &d->pam_regions[0]);
+    for(i = 0; i < 12; i++) {
+        r = (d->dev.config[(i >> 1) + (I440FX_PAM + 1)] >> ((i & 1) * 4)) & 3;
+        update_pam(d, 0xc0000 + 0x4000 * i, 0xc0000 + 0x4000 * (i + 1), r,
+                   &d->pam_regions[i+1]);
+    }
+    smram = d->dev.config[I440FX_SMRAM];
+    if ((d->smm_enabled && (smram & 0x08)) || (smram & 0x40)) {
+        if (!d->smram_enabled) {
+            memory_region_del_subregion(d->system_memory, &d->smram_region);
+            d->smram_enabled = true;
+        }
+    } else {
+        if (d->smram_enabled) {
+            memory_region_add_subregion_overlap(d->system_memory, 0xa0000,
+                                                &d->smram_region, 1);
+            d->smram_enabled = false;
+        }
+    }
+    memory_region_transaction_commit();
+}
+
+static void i440fx_set_smm(int val, void *arg)
+{
+    PCII440FXState *d = arg;
+
+    val = (val != 0);
+    if (d->smm_enabled != val) {
+        d->smm_enabled = val;
+        i440fx_update_memory_mappings(d);
+    }
+}
+
+
+static void i440fx_write_config(PCIDevice *dev,
+                                uint32_t address, uint32_t val, int len)
+{
+    PCII440FXState *d = DO_UPCAST(PCII440FXState, dev, dev);
+
+    /* XXX: implement SMRAM.D_LOCK */
+    pci_default_write_config(dev, address, val, len);
+    if (ranges_overlap(address, len, I440FX_PAM, I440FX_PAM_SIZE) ||
+        range_covers_byte(address, len, I440FX_SMRAM)) {
+        i440fx_update_memory_mappings(d);
+    }
+}
+
+static int i440fx_load_old(QEMUFile* f, void *opaque, int version_id)
+{
+    PCII440FXState *d = opaque;
+    int ret, i;
+
+    ret = pci_device_load(&d->dev, f);
+    if (ret < 0)
+        return ret;
+    i440fx_update_memory_mappings(d);
+    qemu_get_8s(f, &d->smm_enabled);
+
+    if (version_id == 2) {
+        for (i = 0; i < PIIX_NUM_PIRQS; i++) {
+            qemu_get_be32(f); /* dummy load for compatibility */
+        }
+    }
+
+    return 0;
+}
+
+static int i440fx_post_load(void *opaque, int version_id)
+{
+    PCII440FXState *d = opaque;
+
+    i440fx_update_memory_mappings(d);
+    return 0;
+}
+
+static const VMStateDescription vmstate_i440fx = {
+    .name = "I440FX",
+    .version_id = 3,
+    .minimum_version_id = 3,
+    .minimum_version_id_old = 1,
+    .load_state_old = i440fx_load_old,
+    .post_load = i440fx_post_load,
+    .fields      = (VMStateField []) {
+        VMSTATE_PCI_DEVICE(dev, PCII440FXState),
+        VMSTATE_UINT8(smm_enabled, PCII440FXState),
+        VMSTATE_END_OF_LIST()
+    }
+};
+
+static int i440fx_pcihost_initfn(SysBusDevice *dev)
+{
+    I440FXState *s = FROM_SYSBUS(I440FXState, dev);
+
+    memory_region_init_io(&s->conf_mem, &pci_host_conf_le_ops, s,
+                          "pci-conf-idx", 4);
+    sysbus_add_io(dev, 0xcf8, &s->conf_mem);
+    sysbus_init_ioports(&s->busdev, 0xcf8, 4);
+
+    memory_region_init_io(&s->data_mem, &pci_host_data_le_ops, s,
+                          "pci-conf-data", 4);
+    sysbus_add_io(dev, 0xcfc, &s->data_mem);
+    sysbus_init_ioports(&s->busdev, 0xcfc, 4);
+
+    return 0;
+}
+
+static int i440fx_initfn(PCIDevice *dev)
+{
+    PCII440FXState *d = DO_UPCAST(PCII440FXState, dev, dev);
+
+    d->dev.config[I440FX_SMRAM] = 0x02;
+
+    cpu_smm_register(&i440fx_set_smm, d);
+    return 0;
+}
+
+/* return the global irq number corresponding to a given device irq
+   pin. We could also use the bus number to have a more precise
+   mapping. */
+static int pci_slot_get_pirq(PCIDevice *pci_dev, int pci_intx)
+{
+    int slot_addend;
+    slot_addend = (pci_dev->devfn >> 3) - 1;
+    return (pci_intx + slot_addend) & 3;
+}
+
+static void piix3_set_irq(void *opaque, int pirq, int level)
+{
+    PIIX3State *piix3 = opaque;
+    piix3_set_irq_level(piix3, pirq, level);
+}
+
+static PCIBus *i440fx_common_init(const char *device_name,
+                                  PCII440FXState **pi440fx_state,
+                                  DeviceState **i440fx,
+                                  int *piix3_devfn,
+                                  qemu_irq *pic,
+                                  MemoryRegion *address_space_mem,
+                                  MemoryRegion *address_space_io,
+                                  ram_addr_t ram_size,
+                                  target_phys_addr_t pci_hole_start,
+                                  target_phys_addr_t pci_hole_size,
+                                  target_phys_addr_t pci_hole64_start,
+                                  target_phys_addr_t pci_hole64_size,
+                                  MemoryRegion *pci_address_space,
+                                  MemoryRegion *ram_memory)
+{
+    DeviceState *dev;
+    PCIBus *b;
+    PCIDevice *d;
+    I440FXState *s;
+    PIIX3State *piix3;
+    PCII440FXState *f;
+
+    dev = qdev_create(NULL, "i440FX-pcihost");
+    s = FROM_SYSBUS(I440FXState, sysbus_from_qdev(dev));
+    s->address_space = address_space_mem;
+    b = pci_bus_new(&s->busdev.qdev, NULL, pci_address_space,
+                    address_space_io, 0);
+    s->bus = b;
+    qdev_init_nofail(dev);
+    *i440fx = dev;
+
+    d = pci_create_simple(b, 0, device_name);
+    *pi440fx_state = DO_UPCAST(PCII440FXState, dev, d);
+    f = *pi440fx_state;
+    f->system_memory = address_space_mem;
+    f->pci_address_space = pci_address_space;
+    f->ram_memory = ram_memory;
+
+    qdev_property_add_child(dev, "i440fx", &d->qdev, NULL);
+
+    memory_region_init_alias(&f->pci_hole, "pci-hole", f->pci_address_space,
+                             pci_hole_start, pci_hole_size);
+    memory_region_add_subregion(f->system_memory, pci_hole_start, 
&f->pci_hole);
+    memory_region_init_alias(&f->pci_hole_64bit, "pci-hole64",
+                             f->pci_address_space,
+                             pci_hole64_start, pci_hole64_size);
+    if (pci_hole64_size) {
+        memory_region_add_subregion(f->system_memory, pci_hole64_start,
+                                    &f->pci_hole_64bit);
+    }
+    memory_region_init_alias(&f->smram_region, "smram-region",
+                             f->pci_address_space, 0xa0000, 0x20000);
+    f->smram_enabled = true;
+
+    /* Xen supports additional interrupt routes from the PCI devices to
+     * the IOAPIC: the four pins of each PCI device on the bus are also
+     * connected to the IOAPIC directly.
+     * These additional routes can be discovered through ACPI. */
+    if (xen_enabled()) {
+        piix3 = DO_UPCAST(PIIX3State, dev,
+                pci_create_simple_multifunction(b, -1, true, "PIIX3-xen"));
+        pci_bus_irqs(b, xen_piix3_set_irq, xen_pci_slot_get_pirq,
+                     piix3, XEN_PIIX_NUM_PIRQS);
+    } else {
+        piix3 = DO_UPCAST(PIIX3State, dev,
+                pci_create_simple_multifunction(b, -1, true, "PIIX3"));
+        pci_bus_irqs(b, piix3_set_irq, pci_slot_get_pirq, piix3,
+                     PIIX_NUM_PIRQS);
+
+        qdev_property_add_child(&d->qdev, "piix3", &piix3->dev.qdev, NULL);
+    }
+    piix3->pic = pic;
+
+    (*pi440fx_state)->piix3 = piix3;
+
+    *piix3_devfn = piix3->dev.devfn;
+
+    ram_size = ram_size / 8 / 1024 / 1024;
+    if (ram_size > 255)
+        ram_size = 255;
+    (*pi440fx_state)->dev.config[0x57]=ram_size;
+
+    i440fx_update_memory_mappings(f);
+
+    return b;
+}
+
+PCIBus *i440fx_init(PCII440FXState **pi440fx_state, int *piix3_devfn,
+                    DeviceState **i440fx, DeviceState **piix3,
+                    qemu_irq *pic,
+                    MemoryRegion *address_space_mem,
+                    MemoryRegion *address_space_io,
+                    ram_addr_t ram_size,
+                    target_phys_addr_t pci_hole_start,
+                    target_phys_addr_t pci_hole_size,
+                    target_phys_addr_t pci_hole64_start,
+                    target_phys_addr_t pci_hole64_size,
+                    MemoryRegion *pci_memory, MemoryRegion *ram_memory)
+
+{
+    PCIBus *b;
+
+    b = i440fx_common_init("i440FX", pi440fx_state, i440fx, piix3_devfn, pic,
+                           address_space_mem, address_space_io, ram_size,
+                           pci_hole_start, pci_hole_size,
+                           pci_hole64_size, pci_hole64_size,
+                           pci_memory, ram_memory);
+    *piix3 = &(*pi440fx_state)->piix3->dev.qdev;
+    return b;
+}
+
+static PCIDeviceInfo i440fx_info[] = {
+    {
+        .qdev.name    = "i440FX",
+        .qdev.desc    = "Host bridge",
+        .qdev.size    = sizeof(PCII440FXState),
+        .qdev.vmsd    = &vmstate_i440fx,
+        .qdev.no_user = 1,
+        .no_hotplug   = 1,
+        .init         = i440fx_initfn,
+        .config_write = i440fx_write_config,
+        .vendor_id    = PCI_VENDOR_ID_INTEL,
+        .device_id    = PCI_DEVICE_ID_INTEL_82441,
+        .revision     = 0x02,
+        .class_id     = PCI_CLASS_BRIDGE_HOST,
+    },{
+        /* end of list */
+    }
+};
+
+static SysBusDeviceInfo i440fx_pcihost_info = {
+    .init         = i440fx_pcihost_initfn,
+    .qdev.name    = "i440FX-pcihost",
+    .qdev.fw_name = "pci",
+    .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);
diff --git a/hw/piix_pci.c b/hw/piix_pci.c
deleted file mode 100644
index e0600dd..0000000
--- a/hw/piix_pci.c
+++ /dev/null
@@ -1,381 +0,0 @@
-/*
- * QEMU i440FX/PIIX3 PCI Bridge Emulation
- *
- * Copyright (c) 2006 Fabrice Bellard
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to 
deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 
FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-#include "hw.h"
-#include "pc.h"
-#include "pci.h"
-#include "pci_host.h"
-#include "isa.h"
-#include "sysbus.h"
-#include "range.h"
-#include "xen.h"
-#include "piix3.h"
-
-/*
- * I440FX chipset data sheet.
- * http://download.intel.com/design/chipsets/datashts/29054901.pdf
- */
-
-typedef PCIHostState I440FXState;
-
-typedef struct PAMMemoryRegion {
-    MemoryRegion mem;
-    bool initialized;
-} PAMMemoryRegion;
-
-struct PCII440FXState {
-    PCIDevice dev;
-    MemoryRegion *system_memory;
-    MemoryRegion *pci_address_space;
-    MemoryRegion *ram_memory;
-    MemoryRegion pci_hole;
-    MemoryRegion pci_hole_64bit;
-    PAMMemoryRegion pam_regions[13];
-    MemoryRegion smram_region;
-    uint8_t smm_enabled;
-    bool smram_enabled;
-    PIIX3State *piix3;
-};
-
-#define I440FX_PAM      0x59
-#define I440FX_PAM_SIZE 7
-#define I440FX_SMRAM    0x72
-
-static void update_pam(PCII440FXState *d, uint32_t start, uint32_t end, int r,
-                       PAMMemoryRegion *mem)
-{
-    if (mem->initialized) {
-        memory_region_del_subregion(d->system_memory, &mem->mem);
-        memory_region_destroy(&mem->mem);
-    }
-
-    //    printf("ISA mapping %08x-0x%08x: %d\n", start, end, r);
-    switch(r) {
-    case 3:
-        /* RAM */
-        memory_region_init_alias(&mem->mem, "pam-ram", d->ram_memory,
-                                 start, end - start);
-        break;
-    case 1:
-        /* ROM (XXX: not quite correct) */
-        memory_region_init_alias(&mem->mem, "pam-rom", d->ram_memory,
-                                 start, end - start);
-        memory_region_set_readonly(&mem->mem, true);
-        break;
-    case 2:
-    case 0:
-        /* XXX: should distinguish read/write cases */
-        memory_region_init_alias(&mem->mem, "pam-pci", d->pci_address_space,
-                                 start, end - start);
-        break;
-    }
-    memory_region_add_subregion_overlap(d->system_memory,
-                                        start, &mem->mem, 1);
-    mem->initialized = true;
-}
-
-static void i440fx_update_memory_mappings(PCII440FXState *d)
-{
-    int i, r;
-    uint32_t smram;
-
-    memory_region_transaction_begin();
-    update_pam(d, 0xf0000, 0x100000, (d->dev.config[I440FX_PAM] >> 4) & 3,
-               &d->pam_regions[0]);
-    for(i = 0; i < 12; i++) {
-        r = (d->dev.config[(i >> 1) + (I440FX_PAM + 1)] >> ((i & 1) * 4)) & 3;
-        update_pam(d, 0xc0000 + 0x4000 * i, 0xc0000 + 0x4000 * (i + 1), r,
-                   &d->pam_regions[i+1]);
-    }
-    smram = d->dev.config[I440FX_SMRAM];
-    if ((d->smm_enabled && (smram & 0x08)) || (smram & 0x40)) {
-        if (!d->smram_enabled) {
-            memory_region_del_subregion(d->system_memory, &d->smram_region);
-            d->smram_enabled = true;
-        }
-    } else {
-        if (d->smram_enabled) {
-            memory_region_add_subregion_overlap(d->system_memory, 0xa0000,
-                                                &d->smram_region, 1);
-            d->smram_enabled = false;
-        }
-    }
-    memory_region_transaction_commit();
-}
-
-static void i440fx_set_smm(int val, void *arg)
-{
-    PCII440FXState *d = arg;
-
-    val = (val != 0);
-    if (d->smm_enabled != val) {
-        d->smm_enabled = val;
-        i440fx_update_memory_mappings(d);
-    }
-}
-
-
-static void i440fx_write_config(PCIDevice *dev,
-                                uint32_t address, uint32_t val, int len)
-{
-    PCII440FXState *d = DO_UPCAST(PCII440FXState, dev, dev);
-
-    /* XXX: implement SMRAM.D_LOCK */
-    pci_default_write_config(dev, address, val, len);
-    if (ranges_overlap(address, len, I440FX_PAM, I440FX_PAM_SIZE) ||
-        range_covers_byte(address, len, I440FX_SMRAM)) {
-        i440fx_update_memory_mappings(d);
-    }
-}
-
-static int i440fx_load_old(QEMUFile* f, void *opaque, int version_id)
-{
-    PCII440FXState *d = opaque;
-    int ret, i;
-
-    ret = pci_device_load(&d->dev, f);
-    if (ret < 0)
-        return ret;
-    i440fx_update_memory_mappings(d);
-    qemu_get_8s(f, &d->smm_enabled);
-
-    if (version_id == 2) {
-        for (i = 0; i < PIIX_NUM_PIRQS; i++) {
-            qemu_get_be32(f); /* dummy load for compatibility */
-        }
-    }
-
-    return 0;
-}
-
-static int i440fx_post_load(void *opaque, int version_id)
-{
-    PCII440FXState *d = opaque;
-
-    i440fx_update_memory_mappings(d);
-    return 0;
-}
-
-static const VMStateDescription vmstate_i440fx = {
-    .name = "I440FX",
-    .version_id = 3,
-    .minimum_version_id = 3,
-    .minimum_version_id_old = 1,
-    .load_state_old = i440fx_load_old,
-    .post_load = i440fx_post_load,
-    .fields      = (VMStateField []) {
-        VMSTATE_PCI_DEVICE(dev, PCII440FXState),
-        VMSTATE_UINT8(smm_enabled, PCII440FXState),
-        VMSTATE_END_OF_LIST()
-    }
-};
-
-static int i440fx_pcihost_initfn(SysBusDevice *dev)
-{
-    I440FXState *s = FROM_SYSBUS(I440FXState, dev);
-
-    memory_region_init_io(&s->conf_mem, &pci_host_conf_le_ops, s,
-                          "pci-conf-idx", 4);
-    sysbus_add_io(dev, 0xcf8, &s->conf_mem);
-    sysbus_init_ioports(&s->busdev, 0xcf8, 4);
-
-    memory_region_init_io(&s->data_mem, &pci_host_data_le_ops, s,
-                          "pci-conf-data", 4);
-    sysbus_add_io(dev, 0xcfc, &s->data_mem);
-    sysbus_init_ioports(&s->busdev, 0xcfc, 4);
-
-    return 0;
-}
-
-static int i440fx_initfn(PCIDevice *dev)
-{
-    PCII440FXState *d = DO_UPCAST(PCII440FXState, dev, dev);
-
-    d->dev.config[I440FX_SMRAM] = 0x02;
-
-    cpu_smm_register(&i440fx_set_smm, d);
-    return 0;
-}
-
-/* return the global irq number corresponding to a given device irq
-   pin. We could also use the bus number to have a more precise
-   mapping. */
-static int pci_slot_get_pirq(PCIDevice *pci_dev, int pci_intx)
-{
-    int slot_addend;
-    slot_addend = (pci_dev->devfn >> 3) - 1;
-    return (pci_intx + slot_addend) & 3;
-}
-
-static void piix3_set_irq(void *opaque, int pirq, int level)
-{
-    PIIX3State *piix3 = opaque;
-    piix3_set_irq_level(piix3, pirq, level);
-}
-
-static PCIBus *i440fx_common_init(const char *device_name,
-                                  PCII440FXState **pi440fx_state,
-                                  DeviceState **i440fx,
-                                  int *piix3_devfn,
-                                  qemu_irq *pic,
-                                  MemoryRegion *address_space_mem,
-                                  MemoryRegion *address_space_io,
-                                  ram_addr_t ram_size,
-                                  target_phys_addr_t pci_hole_start,
-                                  target_phys_addr_t pci_hole_size,
-                                  target_phys_addr_t pci_hole64_start,
-                                  target_phys_addr_t pci_hole64_size,
-                                  MemoryRegion *pci_address_space,
-                                  MemoryRegion *ram_memory)
-{
-    DeviceState *dev;
-    PCIBus *b;
-    PCIDevice *d;
-    I440FXState *s;
-    PIIX3State *piix3;
-    PCII440FXState *f;
-
-    dev = qdev_create(NULL, "i440FX-pcihost");
-    s = FROM_SYSBUS(I440FXState, sysbus_from_qdev(dev));
-    s->address_space = address_space_mem;
-    b = pci_bus_new(&s->busdev.qdev, NULL, pci_address_space,
-                    address_space_io, 0);
-    s->bus = b;
-    qdev_init_nofail(dev);
-    *i440fx = dev;
-
-    d = pci_create_simple(b, 0, device_name);
-    *pi440fx_state = DO_UPCAST(PCII440FXState, dev, d);
-    f = *pi440fx_state;
-    f->system_memory = address_space_mem;
-    f->pci_address_space = pci_address_space;
-    f->ram_memory = ram_memory;
-
-    qdev_property_add_child(dev, "i440fx", &d->qdev, NULL);
-
-    memory_region_init_alias(&f->pci_hole, "pci-hole", f->pci_address_space,
-                             pci_hole_start, pci_hole_size);
-    memory_region_add_subregion(f->system_memory, pci_hole_start, 
&f->pci_hole);
-    memory_region_init_alias(&f->pci_hole_64bit, "pci-hole64",
-                             f->pci_address_space,
-                             pci_hole64_start, pci_hole64_size);
-    if (pci_hole64_size) {
-        memory_region_add_subregion(f->system_memory, pci_hole64_start,
-                                    &f->pci_hole_64bit);
-    }
-    memory_region_init_alias(&f->smram_region, "smram-region",
-                             f->pci_address_space, 0xa0000, 0x20000);
-    f->smram_enabled = true;
-
-    /* Xen supports additional interrupt routes from the PCI devices to
-     * the IOAPIC: the four pins of each PCI device on the bus are also
-     * connected to the IOAPIC directly.
-     * These additional routes can be discovered through ACPI. */
-    if (xen_enabled()) {
-        piix3 = DO_UPCAST(PIIX3State, dev,
-                pci_create_simple_multifunction(b, -1, true, "PIIX3-xen"));
-        pci_bus_irqs(b, xen_piix3_set_irq, xen_pci_slot_get_pirq,
-                     piix3, XEN_PIIX_NUM_PIRQS);
-    } else {
-        piix3 = DO_UPCAST(PIIX3State, dev,
-                pci_create_simple_multifunction(b, -1, true, "PIIX3"));
-        pci_bus_irqs(b, piix3_set_irq, pci_slot_get_pirq, piix3,
-                     PIIX_NUM_PIRQS);
-
-        qdev_property_add_child(&d->qdev, "piix3", &piix3->dev.qdev, NULL);
-    }
-    piix3->pic = pic;
-
-    (*pi440fx_state)->piix3 = piix3;
-
-    *piix3_devfn = piix3->dev.devfn;
-
-    ram_size = ram_size / 8 / 1024 / 1024;
-    if (ram_size > 255)
-        ram_size = 255;
-    (*pi440fx_state)->dev.config[0x57]=ram_size;
-
-    i440fx_update_memory_mappings(f);
-
-    return b;
-}
-
-PCIBus *i440fx_init(PCII440FXState **pi440fx_state, int *piix3_devfn,
-                    DeviceState **i440fx, DeviceState **piix3,
-                    qemu_irq *pic,
-                    MemoryRegion *address_space_mem,
-                    MemoryRegion *address_space_io,
-                    ram_addr_t ram_size,
-                    target_phys_addr_t pci_hole_start,
-                    target_phys_addr_t pci_hole_size,
-                    target_phys_addr_t pci_hole64_start,
-                    target_phys_addr_t pci_hole64_size,
-                    MemoryRegion *pci_memory, MemoryRegion *ram_memory)
-
-{
-    PCIBus *b;
-
-    b = i440fx_common_init("i440FX", pi440fx_state, i440fx, piix3_devfn, pic,
-                           address_space_mem, address_space_io, ram_size,
-                           pci_hole_start, pci_hole_size,
-                           pci_hole64_size, pci_hole64_size,
-                           pci_memory, ram_memory);
-    *piix3 = &(*pi440fx_state)->piix3->dev.qdev;
-    return b;
-}
-
-static PCIDeviceInfo i440fx_info[] = {
-    {
-        .qdev.name    = "i440FX",
-        .qdev.desc    = "Host bridge",
-        .qdev.size    = sizeof(PCII440FXState),
-        .qdev.vmsd    = &vmstate_i440fx,
-        .qdev.no_user = 1,
-        .no_hotplug   = 1,
-        .init         = i440fx_initfn,
-        .config_write = i440fx_write_config,
-        .vendor_id    = PCI_VENDOR_ID_INTEL,
-        .device_id    = PCI_DEVICE_ID_INTEL_82441,
-        .revision     = 0x02,
-        .class_id     = PCI_CLASS_BRIDGE_HOST,
-    },{
-        /* end of list */
-    }
-};
-
-static SysBusDeviceInfo i440fx_pcihost_info = {
-    .init         = i440fx_pcihost_initfn,
-    .qdev.name    = "i440FX-pcihost",
-    .qdev.fw_name = "pci",
-    .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);
-- 
1.7.4.1