[Qemu-arm] [RFC v5 03/22] pc: Implement get_primary_pci_bus

[Eric Auger <eric.auger@redhat.com>]

Implement this get_primary_pci_bus() which returns the root
bus.

Signed-off-by: Eric Auger <eric.auger@redhat.com>
---
 hw/i386/pc.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/hw/i386/pc.c b/hw/i386/pc.c
index 55686bf..00f4623 100644
--- a/hw/i386/pc.c
+++ b/hw/i386/pc.c
@@ -2337,6 +2337,13 @@ static void x86_nmi(NMIState *n, int cpu_index, Error **errp)
     }
 }
 
+static PCIBus *pc_machine_get_primary_pci_bus(const MachineState *ms)
+{
+    PCMachineState *pcms = PC_MACHINE(ms);
+
+    return pcms->bus;
+}
+
 static void pc_machine_class_init(ObjectClass *oc, void *data)
 {
     MachineClass *mc = MACHINE_CLASS(oc);
@@ -2376,6 +2383,7 @@ static void pc_machine_class_init(ObjectClass *oc, void *data)
     hc->unplug = pc_machine_device_unplug_cb;
     nc->nmi_monitor_handler = x86_nmi;
     mc->default_cpu_type = TARGET_DEFAULT_CPU_TYPE;
+    mc->get_primary_pci_bus = pc_machine_get_primary_pci_bus;
 
     object_class_property_add(oc, PC_MACHINE_MEMHP_REGION_SIZE, "int",
         pc_machine_get_hotplug_memory_region_size, NULL,
-- 
1.9.1