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[Qemu-devel] [PATCH 2/2] Move hardcoded initialization of xen-platform d


From: Paul Durrant
Subject: [Qemu-devel] [PATCH 2/2] Move hardcoded initialization of xen-platform device.
Date: Mon, 17 Jun 2013 13:36:37 +0100

Creation of the xen-platform device is currently hardcoded into machine
type pc's initialization code, guarded by a test for the whether the xen
accelerator is enabled. This patch moves the creation of xen-platform into
the initialization code of the xenfv machine type. This maintains backwards
compatibility for that machine type but allows more flexibility if another
machine type is used with Xen HVM domains.

Signed-off-by: Paul Durrant <address@hidden>
---
 hw/i386/pc_piix.c |    9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c
index 6d3f161..38d98af 100644
--- a/hw/i386/pc_piix.c
+++ b/hw/i386/pc_piix.c
@@ -178,9 +178,6 @@ static void pc_init1(MemoryRegion *system_memory,
     pc_register_ferr_irq(gsi[13]);
 
     pc_vga_init(isa_bus, pci_enabled ? pci_bus : NULL);
-    if (xen_enabled()) {
-        pci_create_simple(pci_bus, -1, "xen-platform");
-    }
 
     /* init basic PC hardware */
     pc_basic_device_init(isa_bus, gsi, &rtc_state, &floppy, xen_enabled());
@@ -324,7 +321,13 @@ static void pc_init_isa(QEMUMachineInitArgs *args)
 #ifdef CONFIG_XEN
 static void pc_xen_hvm_init(QEMUMachineInitArgs *args)
 {
+    PCIBus *bus;
+
     pc_init_pci(args);
+
+    bus = pci_find_root_bus(0);
+    if (bus != NULL)
+        pci_create_simple(bus, -1, "xen-platform");
 }
 #endif
 
-- 
1.7.10.4




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