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-rw-r--r--OvmfPkg/PciHostBridgeDxe/PciHostBridge.c49
-rw-r--r--OvmfPkg/PciHostBridgeDxe/PciHostBridge.h3
2 files changed, 27 insertions, 25 deletions
diff --git a/OvmfPkg/PciHostBridgeDxe/PciHostBridge.c b/OvmfPkg/PciHostBridgeDxe/PciHostBridge.c
index 985290928d..c2277bfca3 100644
--- a/OvmfPkg/PciHostBridgeDxe/PciHostBridge.c
+++ b/OvmfPkg/PciHostBridgeDxe/PciHostBridge.c
@@ -17,37 +17,36 @@
#include "PciHostBridge.h"
-//
-// Hard code: Root Bridge's device path
-// Root Bridge's resource aperture
-//
-
-EFI_PCI_ROOT_BRIDGE_DEVICE_PATH mEfiPciRootBridgeDevicePath[1] = {
+STATIC
+CONST
+EFI_PCI_ROOT_BRIDGE_DEVICE_PATH mRootBridgeDevicePathTemplate = {
{
{
+ ACPI_DEVICE_PATH,
+ ACPI_DP,
{
- ACPI_DEVICE_PATH,
- ACPI_DP,
- {
- (UINT8) (sizeof(ACPI_HID_DEVICE_PATH)),
- (UINT8) ((sizeof(ACPI_HID_DEVICE_PATH)) >> 8)
- }
- },
- EISA_PNP_ID(0x0A03),
- 0
+ (UINT8) (sizeof(ACPI_HID_DEVICE_PATH)),
+ (UINT8) ((sizeof(ACPI_HID_DEVICE_PATH)) >> 8)
+ }
},
+ EISA_PNP_ID(0x0A03), // HID
+ 0 // UID
+ },
+ {
+ END_DEVICE_PATH_TYPE,
+ END_ENTIRE_DEVICE_PATH_SUBTYPE,
{
- END_DEVICE_PATH_TYPE,
- END_ENTIRE_DEVICE_PATH_SUBTYPE,
- {
- END_DEVICE_PATH_LENGTH,
- 0
- }
+ END_DEVICE_PATH_LENGTH,
+ 0
}
}
};
+//
+// Hard code: Root Bridge's resource aperture
+//
+
PCI_ROOT_BRIDGE_RESOURCE_APERTURE mResAperture[1] = {
{0, 0xff, 0x80000000, 0xffffffff, 0, 0xffff}
};
@@ -135,8 +134,10 @@ InitializePciHostBridge (
}
PrivateData->Signature = PCI_ROOT_BRIDGE_SIGNATURE;
- PrivateData->DevicePath =
- (EFI_DEVICE_PATH_PROTOCOL *)&mEfiPciRootBridgeDevicePath[Loop2];
+
+ CopyMem (&PrivateData->DevicePath, &mRootBridgeDevicePathTemplate,
+ sizeof mRootBridgeDevicePathTemplate);
+ PrivateData->DevicePath.AcpiDevicePath.UID = Loop2;
RootBridgeConstructor (
&PrivateData->Io,
@@ -148,7 +149,7 @@ InitializePciHostBridge (
Status = gBS->InstallMultipleProtocolInterfaces(
&PrivateData->Handle,
&gEfiDevicePathProtocolGuid,
- PrivateData->DevicePath,
+ &PrivateData->DevicePath,
&gEfiPciRootBridgeIoProtocolGuid,
&PrivateData->Io,
NULL
diff --git a/OvmfPkg/PciHostBridgeDxe/PciHostBridge.h b/OvmfPkg/PciHostBridgeDxe/PciHostBridge.h
index 28e0cd0e51..05b8cecf80 100644
--- a/OvmfPkg/PciHostBridgeDxe/PciHostBridge.h
+++ b/OvmfPkg/PciHostBridgeDxe/PciHostBridge.h
@@ -1,6 +1,7 @@
/** @file
The Header file of the Pci Host Bridge Driver
+ Copyright (C) 2015, Red Hat, Inc.
Copyright (c) 2008 - 2010, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials are licensed and made available
@@ -605,7 +606,7 @@ typedef struct {
UINT64 MemLimit;
UINT64 IoLimit;
- EFI_DEVICE_PATH_PROTOCOL *DevicePath;
+ EFI_PCI_ROOT_BRIDGE_DEVICE_PATH DevicePath;
EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL Io;
} PCI_ROOT_BRIDGE_INSTANCE;