diff options
| author | jljusten <jljusten@6f19259b-4bc3-4df7-8a09-765794883524> | 2009-09-16 16:29:03 +0000 |
|---|---|---|
| committer | jljusten <jljusten@6f19259b-4bc3-4df7-8a09-765794883524> | 2009-09-16 16:29:03 +0000 |
| commit | 14b21de9647ce6d0c714e9d458678cf1f4605c8f (patch) | |
| tree | 6104b11e475d42087e88162691d5d99b96855022 /OvmfPkg/Library | |
| parent | e955462be2884cb4b527e1847fc99cb274c88298 (diff) | |
OVMF BDS: Make use of NvVarsFileLib to make NV variable less volatile.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9275 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'OvmfPkg/Library')
| -rw-r--r-- | OvmfPkg/Library/PlatformBdsLib/BdsPlatform.c | 94 | ||||
| -rw-r--r-- | OvmfPkg/Library/PlatformBdsLib/BdsPlatform.h | 2 | ||||
| -rw-r--r-- | OvmfPkg/Library/PlatformBdsLib/PlatformBdsLib.inf | 2 |
3 files changed, 96 insertions, 2 deletions
diff --git a/OvmfPkg/Library/PlatformBdsLib/BdsPlatform.c b/OvmfPkg/Library/PlatformBdsLib/BdsPlatform.c index 71be1dbef..e7247ac26 100644 --- a/OvmfPkg/Library/PlatformBdsLib/BdsPlatform.c +++ b/OvmfPkg/Library/PlatformBdsLib/BdsPlatform.c @@ -666,8 +666,6 @@ Returns: //
// Connect RootBridge
//
- ConnectRootBridge ();
-
VarConout = BdsLibGetVariableAndSize (
VarConsoleOut,
&gEfiGlobalVariableGuid,
@@ -772,6 +770,90 @@ PciInitialization ( }
+EFI_STATUS
+EFIAPI
+ConnectRecursivelyIfPciMassStorage (
+ IN EFI_HANDLE Handle,
+ IN EFI_PCI_IO_PROTOCOL *Instance,
+ IN PCI_TYPE00 *PciHeader
+ )
+{
+ EFI_STATUS Status;
+ EFI_DEVICE_PATH_PROTOCOL *DevicePath;
+ CHAR16 *DevPathStr;
+
+ if (IS_CLASS1 (PciHeader, PCI_CLASS_MASS_STORAGE)) {
+ DevicePath = NULL;
+ Status = gBS->HandleProtocol (
+ Handle,
+ &gEfiDevicePathProtocolGuid,
+ (VOID*)&DevicePath
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ //
+ // Print Device Path
+ //
+ DevPathStr = DevicePathToStr (DevicePath);
+ DEBUG((
+ EFI_D_INFO,
+ "Found Mass Storage device: %s\n",
+ DevPathStr
+ ));
+ FreePool(DevPathStr);
+
+ Status = gBS->ConnectController (Handle, NULL, NULL, TRUE);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ }
+
+ return EFI_SUCCESS;
+}
+
+
+EFI_STATUS
+EFIAPI
+VisitingFileSystemInstance (
+ IN EFI_HANDLE Handle,
+ IN VOID *Instance,
+ IN VOID *Context
+ )
+{
+ EFI_STATUS Status;
+ STATIC BOOLEAN ConnectedToFileSystem = FALSE;
+
+ if (ConnectedToFileSystem) {
+ return EFI_ALREADY_STARTED;
+ }
+
+ Status = ConnectNvVarsToFileSystem (Handle);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ ConnectedToFileSystem = TRUE;
+ return EFI_SUCCESS;
+}
+
+
+VOID
+PlatformBdsRestoreNvVarsFromHardDisk (
+ )
+{
+ VisitAllPciInstances (ConnectRecursivelyIfPciMassStorage);
+ VisitAllInstancesOfProtocol (
+ &gEfiSimpleFileSystemProtocolGuid,
+ VisitingFileSystemInstance,
+ NULL
+ );
+
+}
+
+
VOID
PlatformBdsConnectSequence (
VOID
@@ -950,6 +1032,14 @@ Returns: DEBUG ((EFI_D_INFO, "PlatformBdsPolicyBehavior\n"));
+ ConnectRootBridge ();
+
+ //
+ // Try to restore variables from the hard disk early so
+ // they can be used for the other BDS connect operations.
+ //
+ PlatformBdsRestoreNvVarsFromHardDisk ();
+
//
// Init the time out value
//
diff --git a/OvmfPkg/Library/PlatformBdsLib/BdsPlatform.h b/OvmfPkg/Library/PlatformBdsLib/BdsPlatform.h index ef433c237..86fe30b8d 100644 --- a/OvmfPkg/Library/PlatformBdsLib/BdsPlatform.h +++ b/OvmfPkg/Library/PlatformBdsLib/BdsPlatform.h @@ -46,10 +46,12 @@ Abstract: #include <Library/DxeServicesTableLib.h>
#include <Library/DevicePathLib.h>
#include <Library/IoLib.h>
+#include <Library/NvVarsFileLib.h>
#include <Protocol/Decompress.h>
#include <Protocol/PciIo.h>
#include <Protocol/FirmwareVolume2.h>
+#include <Protocol/SimpleFileSystem.h>
#include <Guid/Acpi.h>
#include <Guid/SmBios.h>
diff --git a/OvmfPkg/Library/PlatformBdsLib/PlatformBdsLib.inf b/OvmfPkg/Library/PlatformBdsLib/PlatformBdsLib.inf index 4689a7918..f8b64473b 100644 --- a/OvmfPkg/Library/PlatformBdsLib/PlatformBdsLib.inf +++ b/OvmfPkg/Library/PlatformBdsLib/PlatformBdsLib.inf @@ -37,6 +37,7 @@ MdePkg/MdePkg.dec
MdeModulePkg/MdeModulePkg.dec
IntelFrameworkModulePkg/IntelFrameworkModulePkg.dec
+ OvmfPkg/OvmfPkg.dec
[LibraryClasses]
BaseLib
@@ -47,6 +48,7 @@ PcdLib
GenericBdsLib
PciLib
+ NvVarsFileLib
[Pcd.common]
gEfiIntelFrameworkModulePkgTokenSpaceGuid.PcdPlatformBootTimeOut
|