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authorjljusten <jljusten@6f19259b-4bc3-4df7-8a09-765794883524>2009-09-16 16:29:03 +0000
committerjljusten <jljusten@6f19259b-4bc3-4df7-8a09-765794883524>2009-09-16 16:29:03 +0000
commit14b21de9647ce6d0c714e9d458678cf1f4605c8f (patch)
tree6104b11e475d42087e88162691d5d99b96855022 /OvmfPkg
parente955462be2884cb4b527e1847fc99cb274c88298 (diff)
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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')
-rw-r--r--OvmfPkg/Library/PlatformBdsLib/BdsPlatform.c94
-rw-r--r--OvmfPkg/Library/PlatformBdsLib/BdsPlatform.h2
-rw-r--r--OvmfPkg/Library/PlatformBdsLib/PlatformBdsLib.inf2
-rw-r--r--OvmfPkg/OvmfPkgIa32.dsc2
-rw-r--r--OvmfPkg/OvmfPkgIa32X64.dsc2
-rw-r--r--OvmfPkg/OvmfPkgX64.dsc2
6 files changed, 102 insertions, 2 deletions
diff --git a/OvmfPkg/Library/PlatformBdsLib/BdsPlatform.c b/OvmfPkg/Library/PlatformBdsLib/BdsPlatform.c
index 71be1dbefe..e7247ac262 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 ef433c2370..86fe30b8d5 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 4689a79183..f8b64473bd 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
diff --git a/OvmfPkg/OvmfPkgIa32.dsc b/OvmfPkg/OvmfPkgIa32.dsc
index 80e80383fb..f93a183165 100644
--- a/OvmfPkg/OvmfPkgIa32.dsc
+++ b/OvmfPkg/OvmfPkgIa32.dsc
@@ -73,6 +73,8 @@
UefiDriverEntryPoint|MdePkg/Library/UefiDriverEntryPoint/UefiDriverEntryPoint.inf
UefiApplicationEntryPoint|MdePkg/Library/UefiApplicationEntryPoint/UefiApplicationEntryPoint.inf
DevicePathLib|MdePkg/Library/UefiDevicePathLib/UefiDevicePathLib.inf
+ NvVarsFileLib|OvmfPkg/Library/NvVarsFileLib/NvVarsFileLib.inf
+ FileHandleLib|ShellPkg/Library/BaseFileHandleLib/BaseFileHandleLib.inf
[LibraryClasses.common.SEC]
DebugLib|MdePkg/Library/BaseDebugLibSerialPort/BaseDebugLibSerialPort.inf
diff --git a/OvmfPkg/OvmfPkgIa32X64.dsc b/OvmfPkg/OvmfPkgIa32X64.dsc
index 96e84e7a39..a99f036884 100644
--- a/OvmfPkg/OvmfPkgIa32X64.dsc
+++ b/OvmfPkg/OvmfPkgIa32X64.dsc
@@ -73,6 +73,8 @@
UefiDriverEntryPoint|MdePkg/Library/UefiDriverEntryPoint/UefiDriverEntryPoint.inf
UefiApplicationEntryPoint|MdePkg/Library/UefiApplicationEntryPoint/UefiApplicationEntryPoint.inf
DevicePathLib|MdePkg/Library/UefiDevicePathLib/UefiDevicePathLib.inf
+ NvVarsFileLib|OvmfPkg/Library/NvVarsFileLib/NvVarsFileLib.inf
+ FileHandleLib|ShellPkg/Library/BaseFileHandleLib/BaseFileHandleLib.inf
[LibraryClasses.common.SEC]
DebugLib|MdePkg/Library/BaseDebugLibSerialPort/BaseDebugLibSerialPort.inf
diff --git a/OvmfPkg/OvmfPkgX64.dsc b/OvmfPkg/OvmfPkgX64.dsc
index c4cf30fcc9..272b808a64 100644
--- a/OvmfPkg/OvmfPkgX64.dsc
+++ b/OvmfPkg/OvmfPkgX64.dsc
@@ -73,6 +73,8 @@
UefiDriverEntryPoint|MdePkg/Library/UefiDriverEntryPoint/UefiDriverEntryPoint.inf
UefiApplicationEntryPoint|MdePkg/Library/UefiApplicationEntryPoint/UefiApplicationEntryPoint.inf
DevicePathLib|MdePkg/Library/UefiDevicePathLib/UefiDevicePathLib.inf
+ NvVarsFileLib|OvmfPkg/Library/NvVarsFileLib/NvVarsFileLib.inf
+ FileHandleLib|ShellPkg/Library/BaseFileHandleLib/BaseFileHandleLib.inf
[LibraryClasses.common.SEC]
DebugLib|MdePkg/Library/BaseDebugLibSerialPort/BaseDebugLibSerialPort.inf