diff options
| author | klu2 <klu2@6f19259b-4bc3-4df7-8a09-765794883524> | 2009-01-23 07:24:55 +0000 |
|---|---|---|
| committer | klu2 <klu2@6f19259b-4bc3-4df7-8a09-765794883524> | 2009-01-23 07:24:55 +0000 |
| commit | 5c08e1173703234cc2913757f237ee916087498a (patch) | |
| tree | 9f44a4b93f9227b500019f053bbe0ace53050b7a /IntelFrameworkModulePkg/Library | |
| parent | c516c7178a735366468dd4692d121213bb137888 (diff) | |
| download | edk2-5c08e1173703234cc2913757f237ee916087498a.tar.gz edk2-5c08e1173703234cc2913757f237ee916087498a.tar.bz2 edk2-5c08e1173703234cc2913757f237ee916087498a.zip | |
Move BdsDxe and GenericBdsLib to IntelFrameworkModulePkg, these modules need dependent on gEfiLegacyBiosProtocol to provide legacy boot support. But legacy boot is not described by PI/UEFI specification.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@7354 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'IntelFrameworkModulePkg/Library')
9 files changed, 6566 insertions, 0 deletions
diff --git a/IntelFrameworkModulePkg/Library/GenericBdsLib/BdsBoot.c b/IntelFrameworkModulePkg/Library/GenericBdsLib/BdsBoot.c new file mode 100644 index 0000000000..d273e3f604 --- /dev/null +++ b/IntelFrameworkModulePkg/Library/GenericBdsLib/BdsBoot.c @@ -0,0 +1,1911 @@ +/** @file
+ BDS Lib functions which relate with create or process the boot option.
+
+Copyright (c) 2004 - 2008, Intel Corporation. <BR>
+All rights reserved. This program and the accompanying materials
+are licensed and made available under the terms and conditions of the BSD License
+which accompanies this distribution. The full text of the license may be found at
+http://opensource.org/licenses/bsd-license.php
+
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#include "InternalBdsLib.h"
+
+BOOLEAN mEnumBootDevice = FALSE;
+
+///
+/// This GUID is used for an EFI Variable that stores the front device pathes
+/// for a partial device path that starts with the HD node.
+///
+EFI_GUID mHdBootVariablePrivateGuid = { 0xfab7e9e1, 0x39dd, 0x4f2b, { 0x84, 0x8, 0xe2, 0xe, 0x90, 0x6c, 0xb6, 0xde } };
+
+
+
+/**
+ Boot the legacy system with the boot option
+
+ @param Option The legacy boot option which have BBS device path
+
+ @retval EFI_UNSUPPORTED There is no legacybios protocol, do not support
+ legacy boot.
+ @retval EFI_STATUS Return the status of LegacyBios->LegacyBoot ().
+
+**/
+EFI_STATUS
+BdsLibDoLegacyBoot (
+ IN BDS_COMMON_OPTION *Option
+ )
+{
+ EFI_STATUS Status;
+ EFI_LEGACY_BIOS_PROTOCOL *LegacyBios;
+
+ Status = gBS->LocateProtocol (&gEfiLegacyBiosProtocolGuid, NULL, (VOID **) &LegacyBios);
+ if (EFI_ERROR (Status)) {
+ //
+ // If no LegacyBios protocol we do not support legacy boot
+ //
+ return EFI_UNSUPPORTED;
+ }
+ //
+ // Notes: if we separate the int 19, then we don't need to refresh BBS
+ //
+ BdsRefreshBbsTableForBoot (Option);
+
+ //
+ // Write boot to OS performance data to a file
+ //
+ PERF_CODE (
+ WriteBootToOsPerformanceData ();
+ );
+
+ DEBUG ((DEBUG_INFO | DEBUG_LOAD, "Legacy Boot: %S\n", Option->Description));
+ return LegacyBios->LegacyBoot (
+ LegacyBios,
+ (BBS_BBS_DEVICE_PATH *) Option->DevicePath,
+ Option->LoadOptionsSize,
+ Option->LoadOptions
+ );
+}
+
+
+/**
+ Process the boot option follow the UEFI specification and
+ special treat the legacy boot option with BBS_DEVICE_PATH.
+
+ @param Option The boot option need to be processed
+ @param DevicePath The device path which describe where to load the
+ boot image or the legacy BBS device path to boot
+ the legacy OS
+ @param ExitDataSize The size of exit data.
+ @param ExitData Data returned when Boot image failed.
+
+ @retval EFI_SUCCESS Boot from the input boot option successfully.
+ @retval EFI_NOT_FOUND If the Device Path is not found in the system
+
+**/
+EFI_STATUS
+EFIAPI
+BdsLibBootViaBootOption (
+ IN BDS_COMMON_OPTION *Option,
+ IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,
+ OUT UINTN *ExitDataSize,
+ OUT CHAR16 **ExitData OPTIONAL
+ )
+{
+ EFI_STATUS Status;
+ EFI_HANDLE Handle;
+ EFI_HANDLE ImageHandle;
+ EFI_DEVICE_PATH_PROTOCOL *FilePath;
+ EFI_LOADED_IMAGE_PROTOCOL *ImageInfo;
+ EFI_DEVICE_PATH_PROTOCOL *WorkingDevicePath;
+ EFI_ACPI_S3_SAVE_PROTOCOL *AcpiS3Save;
+ LIST_ENTRY TempBootLists;
+
+ //
+ // Record the performance data for End of BDS
+ //
+ PERF_END (0, BDS_TOK, NULL, 0);
+
+ *ExitDataSize = 0;
+ *ExitData = NULL;
+
+ //
+ // Notes: put EFI64 ROM Shadow Solution
+ //
+ EFI64_SHADOW_ALL_LEGACY_ROM ();
+
+ //
+ // Notes: this code can be remove after the s3 script table
+ // hook on the event EVT_SIGNAL_READY_TO_BOOT or
+ // EVT_SIGNAL_LEGACY_BOOT
+ //
+ Status = gBS->LocateProtocol (&gEfiAcpiS3SaveProtocolGuid, NULL, (VOID **) &AcpiS3Save);
+ if (!EFI_ERROR (Status)) {
+ AcpiS3Save->S3Save (AcpiS3Save, NULL);
+ }
+ //
+ // If it's Device Path that starts with a hard drive path, append it with the front part to compose a
+ // full device path
+ //
+ WorkingDevicePath = NULL;
+ if ((DevicePathType (DevicePath) == MEDIA_DEVICE_PATH) &&
+ (DevicePathSubType (DevicePath) == MEDIA_HARDDRIVE_DP)) {
+ WorkingDevicePath = BdsExpandPartitionPartialDevicePathToFull (
+ (HARDDRIVE_DEVICE_PATH *)DevicePath
+ );
+ if (WorkingDevicePath != NULL) {
+ DevicePath = WorkingDevicePath;
+ }
+ }
+ //
+ // Signal the EVT_SIGNAL_READY_TO_BOOT event
+ //
+ EfiSignalEventReadyToBoot();
+
+
+ //
+ // Set Boot Current
+ //
+ gRT->SetVariable (
+ L"BootCurrent",
+ &gEfiGlobalVariableGuid,
+ EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
+ sizeof (UINT16),
+ &Option->BootCurrent
+ );
+
+ ASSERT (Option->DevicePath != NULL);
+ if ((DevicePathType (Option->DevicePath) == BBS_DEVICE_PATH) &&
+ (DevicePathSubType (Option->DevicePath) == BBS_BBS_DP)
+ ) {
+ //
+ // Check to see if we should legacy BOOT. If yes then do the legacy boot
+ //
+ return BdsLibDoLegacyBoot (Option);
+ }
+
+ //
+ // If the boot option point to Internal FV shell, make sure it is valid
+ //
+ Status = BdsLibUpdateFvFileDevicePath (&DevicePath, &gEfiShellFileGuid);
+ if (!EFI_ERROR(Status)) {
+ if (Option->DevicePath != NULL) {
+ FreePool(Option->DevicePath);
+ }
+ Option->DevicePath = AllocateZeroPool (GetDevicePathSize (DevicePath));
+ ASSERT(Option->DevicePath != NULL);
+ CopyMem (Option->DevicePath, DevicePath, GetDevicePathSize (DevicePath));
+ //
+ // Update the shell boot option
+ //
+ InitializeListHead (&TempBootLists);
+ BdsLibRegisterNewOption (&TempBootLists, DevicePath, L"EFI Internal Shell", L"BootOrder");
+
+ //
+ // free the temporary device path created by BdsLibUpdateFvFileDevicePath()
+ //
+ FreePool (DevicePath);
+ DevicePath = Option->DevicePath;
+ }
+
+ DEBUG ((DEBUG_INFO | DEBUG_LOAD, "Booting %S\n", Option->Description));
+
+ Status = gBS->LoadImage (
+ TRUE,
+ mBdsImageHandle,
+ DevicePath,
+ NULL,
+ 0,
+ &ImageHandle
+ );
+
+ //
+ // If we didn't find an image directly, we need to try as if it is a removable device boot opotion
+ // and load the image according to the default boot behavior for removable device.
+ //
+ if (EFI_ERROR (Status)) {
+ //
+ // check if there is a bootable removable media could be found in this device path ,
+ // and get the bootable media handle
+ //
+ Handle = BdsLibGetBootableHandle(DevicePath);
+ if (Handle == NULL) {
+ goto Done;
+ }
+ //
+ // Load the default boot file \EFI\BOOT\boot{machinename}.EFI from removable Media
+ // machinename is ia32, ia64, x64, ...
+ //
+ FilePath = FileDevicePath (Handle, (CONST CHAR16*)PcdGetPtr(PcdDefaultBootFileName));
+ if (FilePath != NULL) {
+ Status = gBS->LoadImage (
+ TRUE,
+ mBdsImageHandle,
+ FilePath,
+ NULL,
+ 0,
+ &ImageHandle
+ );
+ if (EFI_ERROR (Status)) {
+ //
+ // The DevicePath failed, and it's not a valid
+ // removable media device.
+ //
+ goto Done;
+ }
+ }
+ }
+
+ if (EFI_ERROR (Status)) {
+ //
+ // It there is any error from the Boot attempt exit now.
+ //
+ goto Done;
+ }
+ //
+ // Provide the image with it's load options
+ //
+ Status = gBS->HandleProtocol (ImageHandle, &gEfiLoadedImageProtocolGuid, (VOID **) &ImageInfo);
+ ASSERT_EFI_ERROR (Status);
+
+ if (Option->LoadOptionsSize != 0) {
+ ImageInfo->LoadOptionsSize = Option->LoadOptionsSize;
+ ImageInfo->LoadOptions = Option->LoadOptions;
+ }
+ //
+ // Before calling the image, enable the Watchdog Timer for
+ // the 5 Minute period
+ //
+ gBS->SetWatchdogTimer (5 * 60, 0x0000, 0x00, NULL);
+
+ Status = gBS->StartImage (ImageHandle, ExitDataSize, ExitData);
+ DEBUG ((DEBUG_INFO | DEBUG_LOAD, "Image Return Status = %r\n", Status));
+
+ //
+ // Clear the Watchdog Timer after the image returns
+ //
+ gBS->SetWatchdogTimer (0x0000, 0x0000, 0x0000, NULL);
+
+Done:
+ //
+ // Clear Boot Current
+ //
+ gRT->SetVariable (
+ L"BootCurrent",
+ &gEfiGlobalVariableGuid,
+ EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
+ 0,
+ &Option->BootCurrent
+ );
+
+ return Status;
+}
+
+
+/**
+ Expand a device path that starts with a hard drive media device path node to be a
+ full device path that includes the full hardware path to the device. We need
+ to do this so it can be booted. As an optimization the front match (the part point
+ to the partition node. E.g. ACPI() /PCI()/ATA()/Partition() ) is saved in a variable
+ so a connect all is not required on every boot. All successful history device path
+ which point to partition node (the front part) will be saved.
+
+ @param HardDriveDevicePath EFI Device Path to boot, if it starts with a hard
+ drive media device path.
+ @return A Pointer to the full device path or NULL if a valid Hard Drive devic path
+ cannot be found.
+
+**/
+EFI_DEVICE_PATH_PROTOCOL *
+EFIAPI
+BdsExpandPartitionPartialDevicePathToFull (
+ IN HARDDRIVE_DEVICE_PATH *HardDriveDevicePath
+ )
+{
+ EFI_STATUS Status;
+ UINTN BlockIoHandleCount;
+ EFI_HANDLE *BlockIoBuffer;
+ EFI_DEVICE_PATH_PROTOCOL *FullDevicePath;
+ EFI_DEVICE_PATH_PROTOCOL *BlockIoDevicePath;
+ EFI_DEVICE_PATH_PROTOCOL *DevicePath;
+ UINTN Index;
+ UINTN InstanceNum;
+ EFI_DEVICE_PATH_PROTOCOL *CachedDevicePath;
+ EFI_DEVICE_PATH_PROTOCOL *TempNewDevicePath;
+ UINTN CachedDevicePathSize;
+ BOOLEAN DeviceExist;
+ BOOLEAN NeedAdjust;
+ EFI_DEVICE_PATH_PROTOCOL *Instance;
+ UINTN Size;
+
+ FullDevicePath = NULL;
+ //
+ // Check if there is prestore 'HDDP' variable.
+ // If exist, search the front path which point to partition node in the variable instants.
+ // If fail to find or 'HDDP' not exist, reconnect all and search in all system
+ //
+ CachedDevicePath = BdsLibGetVariableAndSize (
+ L"HDDP",
+ &mHdBootVariablePrivateGuid,
+ &CachedDevicePathSize
+ );
+
+ if (CachedDevicePath != NULL) {
+ TempNewDevicePath = CachedDevicePath;
+ DeviceExist = FALSE;
+ NeedAdjust = FALSE;
+ do {
+ //
+ // Check every instance of the variable
+ // First, check whether the instance contain the partition node, which is needed for distinguishing multi
+ // partial partition boot option. Second, check whether the instance could be connected.
+ //
+ Instance = GetNextDevicePathInstance (&TempNewDevicePath, &Size);
+ if (MatchPartitionDevicePathNode (Instance, HardDriveDevicePath)) {
+ //
+ // Connect the device path instance, the device path point to hard drive media device path node
+ // e.g. ACPI() /PCI()/ATA()/Partition()
+ //
+ Status = BdsLibConnectDevicePath (Instance);
+ if (!EFI_ERROR (Status)) {
+ DeviceExist = TRUE;
+ break;
+ }
+ }
+ //
+ // Come here means the first instance is not matched
+ //
+ NeedAdjust = TRUE;
+ FreePool(Instance);
+ } while (TempNewDevicePath != NULL);
+
+ if (DeviceExist) {
+ //
+ // Find the matched device path.
+ // Append the file path information from the boot option and return the fully expanded device path.
+ //
+ DevicePath = NextDevicePathNode ((EFI_DEVICE_PATH_PROTOCOL *) HardDriveDevicePath);
+ FullDevicePath = AppendDevicePath (Instance, DevicePath);
+
+ //
+ // Adjust the 'HDDP' instances sequence if the matched one is not first one.
+ //
+ if (NeedAdjust) {
+ //
+ // First delete the matched instance.
+ //
+ TempNewDevicePath = CachedDevicePath;
+ CachedDevicePath = BdsLibDelPartMatchInstance (CachedDevicePath, Instance );
+ FreePool (TempNewDevicePath);
+
+ //
+ // Second, append the remaining path after the matched instance
+ //
+ TempNewDevicePath = CachedDevicePath;
+ CachedDevicePath = AppendDevicePathInstance (Instance, CachedDevicePath );
+ FreePool (TempNewDevicePath);
+ //
+ // Save the matching Device Path so we don't need to do a connect all next time
+ //
+ Status = gRT->SetVariable (
+ L"HDDP",
+ &mHdBootVariablePrivateGuid,
+ EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE,
+ GetDevicePathSize (CachedDevicePath),
+ CachedDevicePath
+ );
+ }
+
+ FreePool (Instance);
+ FreePool (CachedDevicePath);
+ return FullDevicePath;
+ }
+ }
+
+ //
+ // If we get here we fail to find or 'HDDP' not exist, and now we need
+ // to search all devices in the system for a matched partition
+ //
+ BdsLibConnectAllDriversToAllControllers ();
+ Status = gBS->LocateHandleBuffer (ByProtocol, &gEfiBlockIoProtocolGuid, NULL, &BlockIoHandleCount, &BlockIoBuffer);
+ if (EFI_ERROR (Status) || BlockIoHandleCount == 0 || BlockIoBuffer == NULL) {
+ //
+ // If there was an error or there are no device handles that support
+ // the BLOCK_IO Protocol, then return.
+ //
+ return NULL;
+ }
+ //
+ // Loop through all the device handles that support the BLOCK_IO Protocol
+ //
+ for (Index = 0; Index < BlockIoHandleCount; Index++) {
+
+ Status = gBS->HandleProtocol (BlockIoBuffer[Index], &gEfiDevicePathProtocolGuid, (VOID *) &BlockIoDevicePath);
+ if (EFI_ERROR (Status) || BlockIoDevicePath == NULL) {
+ continue;
+ }
+
+ if (MatchPartitionDevicePathNode (BlockIoDevicePath, HardDriveDevicePath)) {
+ //
+ // Find the matched partition device path
+ //
+ DevicePath = NextDevicePathNode ((EFI_DEVICE_PATH_PROTOCOL *) HardDriveDevicePath);
+ FullDevicePath = AppendDevicePath (BlockIoDevicePath, DevicePath);
+
+ //
+ // Save the matched partition device path in 'HDDP' variable
+ //
+ if (CachedDevicePath != NULL) {
+ //
+ // Save the matched partition device path as first instance of 'HDDP' variable
+ //
+ if (BdsLibMatchDevicePaths (CachedDevicePath, BlockIoDevicePath)) {
+ TempNewDevicePath = CachedDevicePath;
+ CachedDevicePath = BdsLibDelPartMatchInstance (CachedDevicePath, BlockIoDevicePath);
+ FreePool(TempNewDevicePath);
+
+ TempNewDevicePath = CachedDevicePath;
+ CachedDevicePath = AppendDevicePathInstance (BlockIoDevicePath, CachedDevicePath);
+ FreePool(TempNewDevicePath);
+ } else {
+ TempNewDevicePath = CachedDevicePath;
+ CachedDevicePath = AppendDevicePathInstance (BlockIoDevicePath, CachedDevicePath);
+ FreePool(TempNewDevicePath);
+ }
+ //
+ // Here limit the device path instance number to 12, which is max number for a system support 3 IDE controller
+ // If the user try to boot many OS in different HDs or partitions, in theory, the 'HDDP' variable maybe become larger and larger.
+ //
+ InstanceNum = 0;
+ ASSERT (CachedDevicePath != NULL);
+ TempNewDevicePath = CachedDevicePath;
+ while (!IsDevicePathEnd (TempNewDevicePath)) {
+ TempNewDevicePath = NextDevicePathNode (TempNewDevicePath);
+ //
+ // Parse one instance
+ //
+ while (!IsDevicePathEndType (TempNewDevicePath)) {
+ TempNewDevicePath = NextDevicePathNode (TempNewDevicePath);
+ }
+ InstanceNum++;
+ //
+ // If the CachedDevicePath variable contain too much instance, only remain 12 instances.
+ //
+ if (InstanceNum >= 12) {
+ SetDevicePathEndNode (TempNewDevicePath);
+ break;
+ }
+ }
+ } else {
+ CachedDevicePath = DuplicateDevicePath (BlockIoDevicePath);
+ }
+
+ //
+ // Save the matching Device Path so we don't need to do a connect all next time
+ //
+ Status = gRT->SetVariable (
+ L"HDDP",
+ &mHdBootVariablePrivateGuid,
+ EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE,
+ GetDevicePathSize (CachedDevicePath),
+ CachedDevicePath
+ );
+
+ break;
+ }
+ }
+
+ FreePool (CachedDevicePath);
+ if (BlockIoBuffer != NULL) {
+ FreePool (BlockIoBuffer);
+ }
+ return FullDevicePath;
+}
+
+/**
+ Check whether there is a instance in BlockIoDevicePath, which contain multi device path
+ instances, has the same partition node with HardDriveDevicePath device path
+
+ @param BlockIoDevicePath Multi device path instances which need to check
+ @param HardDriveDevicePath A device path which starts with a hard drive media
+ device path.
+
+ @retval TRUE There is a matched device path instance.
+ @retval FALSE There is no matched device path instance.
+
+**/
+BOOLEAN
+EFIAPI
+MatchPartitionDevicePathNode (
+ IN EFI_DEVICE_PATH_PROTOCOL *BlockIoDevicePath,
+ IN HARDDRIVE_DEVICE_PATH *HardDriveDevicePath
+ )
+{
+ HARDDRIVE_DEVICE_PATH *TmpHdPath;
+ EFI_DEVICE_PATH_PROTOCOL *DevicePath;
+ BOOLEAN Match;
+ EFI_DEVICE_PATH_PROTOCOL *BlockIoHdDevicePathNode;
+
+ if ((BlockIoDevicePath == NULL) || (HardDriveDevicePath == NULL)) {
+ return FALSE;
+ }
+
+ //
+ // Make PreviousDevicePath == the device path node before the end node
+ //
+ DevicePath = BlockIoDevicePath;
+ BlockIoHdDevicePathNode = NULL;
+
+ //
+ // find the partition device path node
+ //
+ while (!IsDevicePathEnd (DevicePath)) {
+ if ((DevicePathType (DevicePath) == MEDIA_DEVICE_PATH) &&
+ (DevicePathSubType (DevicePath) == MEDIA_HARDDRIVE_DP)
+ ) {
+ BlockIoHdDevicePathNode = DevicePath;
+ break;
+ }
+
+ DevicePath = NextDevicePathNode (DevicePath);
+ }
+
+ if (BlockIoHdDevicePathNode == NULL) {
+ return FALSE;
+ }
+ //
+ // See if the harddrive device path in blockio matches the orig Hard Drive Node
+ //
+ TmpHdPath = (HARDDRIVE_DEVICE_PATH *) BlockIoHdDevicePathNode;
+ Match = FALSE;
+
+ //
+ // Check for the match
+ //
+ if ((TmpHdPath->MBRType == HardDriveDevicePath->MBRType) &&
+ (TmpHdPath->SignatureType == HardDriveDevicePath->SignatureType)) {
+ switch (TmpHdPath->SignatureType) {
+ case SIGNATURE_TYPE_GUID:
+ Match = CompareGuid ((EFI_GUID *)TmpHdPath->Signature, (EFI_GUID *)HardDriveDevicePath->Signature);
+ break;
+ case SIGNATURE_TYPE_MBR:
+ Match = (BOOLEAN)(*((UINT32 *)(&(TmpHdPath->Signature[0]))) == ReadUnaligned32((UINT32 *)(&(HardDriveDevicePath->Signature[0]))));
+ break;
+ default:
+ Match = FALSE;
+ break;
+ }
+ }
+
+ return Match;
+}
+
+/**
+ Delete the boot option associated with the handle passed in.
+
+ @param Handle The handle which present the device path to create
+ boot option
+
+ @retval EFI_SUCCESS Delete the boot option success
+ @retval EFI_NOT_FOUND If the Device Path is not found in the system
+ @retval EFI_OUT_OF_RESOURCES Lack of memory resource
+ @retval Other Error return value from SetVariable()
+
+**/
+EFI_STATUS
+BdsLibDeleteOptionFromHandle (
+ IN EFI_HANDLE Handle
+ )
+{
+ UINT16 *BootOrder;
+ UINT8 *BootOptionVar;
+ UINTN BootOrderSize;
+ UINTN BootOptionSize;
+ EFI_STATUS Status;
+ UINTN Index;
+ UINT16 BootOption[BOOT_OPTION_MAX_CHAR];
+ UINTN DevicePathSize;
+ UINTN OptionDevicePathSize;
+ EFI_DEVICE_PATH_PROTOCOL *DevicePath;
+ EFI_DEVICE_PATH_PROTOCOL *OptionDevicePath;
+ UINT8 *TempPtr;
+
+ Status = EFI_SUCCESS;
+ BootOrder = NULL;
+ BootOrderSize = 0;
+
+ //
+ // Check "BootOrder" variable, if no, means there is no any boot order.
+ //
+ BootOrder = BdsLibGetVariableAndSize (
+ L"BootOrder",
+ &gEfiGlobalVariableGuid,
+ &BootOrderSize
+ );
+ if (BootOrder == NULL) {
+ return EFI_NOT_FOUND;
+ }
+
+ //
+ // Convert device handle to device path protocol instance
+ //
+ DevicePath = DevicePathFromHandle (Handle);
+ if (DevicePath == NULL) {
+ return EFI_NOT_FOUND;
+ }
+ DevicePathSize = GetDevicePathSize (DevicePath);
+
+ //
+ // Loop all boot order variable and find the matching device path
+ //
+ Index = 0;
+ while (Index < BootOrderSize / sizeof (UINT16)) {
+ UnicodeSPrint (BootOption, sizeof (BootOption), L"Boot%04x", BootOrder[Index]);
+ BootOptionVar = BdsLibGetVariableAndSize (
+ BootOption,
+ &gEfiGlobalVariableGuid,
+ &BootOptionSize
+ );
+
+ if (BootOptionVar == NULL) {
+ FreePool (BootOrder);
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ TempPtr = BootOptionVar;
+ TempPtr += sizeof (UINT32) + sizeof (UINT16);
+ TempPtr += StrSize ((CHAR16 *) TempPtr);
+ OptionDevicePath = (EFI_DEVICE_PATH_PROTOCOL *) TempPtr;
+ OptionDevicePathSize = GetDevicePathSize (OptionDevicePath);
+
+ //
+ // Check whether the device path match
+ //
+ if ((OptionDevicePathSize == DevicePathSize) &&
+ (CompareMem (DevicePath, OptionDevicePath, DevicePathSize) == 0)) {
+ BdsDeleteBootOption (BootOrder[Index], BootOrder, &BootOrderSize);
+ FreePool (BootOptionVar);
+ break;
+ }
+
+ FreePool (BootOptionVar);
+ Index++;
+ }
+
+ //
+ // Adjust number of boot option for "BootOrder" variable.
+ //
+ Status = gRT->SetVariable (
+ L"BootOrder",
+ &gEfiGlobalVariableGuid,
+ EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE,
+ BootOrderSize,
+ BootOrder
+ );
+
+ FreePool (BootOrder);
+
+ return Status;
+}
+
+
+/**
+ Delete all invalid EFI boot options. The probable invalid boot option could
+ be Removable media or Network boot device.
+
+ @retval EFI_SUCCESS Delete all invalid boot option success
+ @retval EFI_NOT_FOUND Variable "BootOrder" is not found
+ @retval EFI_OUT_OF_RESOURCES Lack of memory resource
+ @retval Other Error return value from SetVariable()
+
+**/
+EFI_STATUS
+BdsDeleteAllInvalidEfiBootOption (
+ VOID
+ )
+{
+ UINT16 *BootOrder;
+ UINT8 *BootOptionVar;
+ UINTN BootOrderSize;
+ UINTN BootOptionSize;
+ EFI_STATUS Status;
+ UINTN Index;
+ UINTN Index2;
+ UINT16 BootOption[BOOT_OPTION_MAX_CHAR];
+ EFI_DEVICE_PATH_PROTOCOL *OptionDevicePath;
+ UINT8 *TempPtr;
+
+ Status = EFI_SUCCESS;
+ BootOrder = NULL;
+ BootOrderSize = 0;
+
+ //
+ // Check "BootOrder" variable firstly, this variable hold the number of boot options
+ //
+ BootOrder = BdsLibGetVariableAndSize (
+ L"BootOrder",
+ &gEfiGlobalVariableGuid,
+ &BootOrderSize
+ );
+ if (NULL == BootOrder) {
+ return EFI_NOT_FOUND;
+ }
+
+ Index = 0;
+ while (Index < BootOrderSize / sizeof (UINT16)) {
+ UnicodeSPrint (BootOption, sizeof (BootOption), L"Boot%04x", BootOrder[Index]);
+ BootOptionVar = BdsLibGetVariableAndSize (
+ BootOption,
+ &gEfiGlobalVariableGuid,
+ &BootOptionSize
+ );
+ if (NULL == BootOptionVar) {
+ FreePool (BootOrder);
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ TempPtr = BootOptionVar;
+ TempPtr += sizeof (UINT32) + sizeof (UINT16);
+ TempPtr += StrSize ((CHAR16 *) TempPtr);
+ OptionDevicePath = (EFI_DEVICE_PATH_PROTOCOL *) TempPtr;
+
+ //
+ // Skip legacy boot option (BBS boot device)
+ //
+ if ((DevicePathType (OptionDevicePath) == BBS_DEVICE_PATH) &&
+ (DevicePathSubType (OptionDevicePath) == BBS_BBS_DP)) {
+ FreePool (BootOptionVar);
+ Index++;
+ continue;
+ }
+
+ if (!BdsLibIsValidEFIBootOptDevicePath (OptionDevicePath, FALSE)) {
+ //
+ // Delete this invalid boot option "Boot####"
+ //
+ Status = gRT->SetVariable (
+ BootOption,
+ &gEfiGlobalVariableGuid,
+ EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE,
+ 0,
+ NULL
+ );
+ //
+ // Mark this boot option in boot order as deleted
+ //
+ BootOrder[Index] = 0xffff;
+ }
+
+ FreePool (BootOptionVar);
+ Index++;
+ }
+
+ //
+ // Adjust boot order array
+ //
+ Index2 = 0;
+ for (Index = 0; Index < BootOrderSize / sizeof (UINT16); Index++) {
+ if (BootOrder[Index] != 0xffff) {
+ BootOrder[Index2] = BootOrder[Index];
+ Index2 ++;
+ }
+ }
+ Status = gRT->SetVariable (
+ L"BootOrder",
+ &gEfiGlobalVariableGuid,
+ EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE,
+ Index2 * sizeof (UINT16),
+ BootOrder
+ );
+
+ FreePool (BootOrder);
+
+ return Status;
+}
+
+
+/**
+ This function will enumerate all possible boot device in the system,
+ it will only execute once of every boot.
+
+ @param BdsBootOptionList The header of the link list which indexed all
+ current boot options
+
+ @retval EFI_SUCCESS Finished all the boot device enumerate and create
+ the boot option base on that boot device
+
+**/
+EFI_STATUS
+EFIAPI
+BdsLibEnumerateAllBootOption (
+ IN OUT LIST_ENTRY *BdsBootOptionList
+ )
+{
+ EFI_STATUS Status;
+ UINT16 FloppyNumber;
+ UINT16 CdromNumber;
+ UINT16 UsbNumber;
+ UINT16 MiscNumber;
+ UINT16 NonBlockNumber;
+ UINTN NumberBlockIoHandles;
+ EFI_HANDLE *BlockIoHandles;
+ EFI_BLOCK_IO_PROTOCOL *BlkIo;
+ UINTN Index;
+ UINTN NumberSimpleNetworkHandles;
+ EFI_HANDLE *SimpleNetworkHandles;
+ UINTN FvHandleCount;
+ EFI_HANDLE *FvHandleBuffer;
+ EFI_FV_FILETYPE Type;
+ UINTN Size;
+ EFI_FV_FILE_ATTRIBUTES Attributes;
+ UINT32 AuthenticationStatus;
+ EFI_FIRMWARE_VOLUME2_PROTOCOL *Fv;
+ EFI_DEVICE_PATH_PROTOCOL *DevicePath;
+ UINTN DevicePathType;
+ CHAR16 Buffer[40];
+ EFI_HANDLE *FileSystemHandles;
+ UINTN NumberFileSystemHandles;
+ BOOLEAN NeedDelete;
+ EFI_IMAGE_DOS_HEADER DosHeader;
+ EFI_IMAGE_OPTIONAL_HEADER_UNION HdrData;
+ EFI_IMAGE_OPTIONAL_HEADER_PTR_UNION Hdr;
+
+ FloppyNumber = 0;
+ CdromNumber = 0;
+ UsbNumber = 0;
+ MiscNumber = 0;
+ ZeroMem (Buffer, sizeof (Buffer));
+
+ //
+ // If the boot device enumerate happened, just get the boot
+ // device from the boot order variable
+ //
+ if (mEnumBootDevice) {
+ BdsLibBuildOptionFromVar (BdsBootOptionList, L"BootOrder");
+ return EFI_SUCCESS;
+ }
+
+ //
+ // Notes: this dirty code is to get the legacy boot option from the
+ // BBS table and create to variable as the EFI boot option, it should
+ // be removed after the CSM can provide legacy boot option directly
+ //
+ REFRESH_LEGACY_BOOT_OPTIONS;
+
+ //
+ // Delete invalid boot option
+ //
+ BdsDeleteAllInvalidEfiBootOption ();
+
+ //
+ // Parse removable media
+ //
+ gBS->LocateHandleBuffer (
+ ByProtocol,
+ &gEfiBlockIoProtocolGuid,
+ NULL,
+ &NumberBlockIoHandles,
+ &BlockIoHandles
+ );
+
+ for (Index = 0; Index < NumberBlockIoHandles; Index++) {
+ Status = gBS->HandleProtocol (
+ BlockIoHandles[Index],
+ &gEfiBlockIoProtocolGuid,
+ (VOID **) &BlkIo
+ );
+ if (!EFI_ERROR (Status)) {
+ if (!BlkIo->Media->RemovableMedia) {
+ //
+ // skip the non-removable block devices
+ //
+ continue;
+ }
+ }
+ DevicePath = DevicePathFromHandle (BlockIoHandles[Index]);
+ DevicePathType = BdsGetBootTypeFromDevicePath (DevicePath);
+
+ switch (DevicePathType) {
+ case BDS_EFI_ACPI_FLOPPY_BOOT:
+ if (FloppyNumber == 0) {
+ UnicodeSPrint (Buffer, sizeof (Buffer), L"EFI Floppy");
+ } else {
+ UnicodeSPrint (Buffer, sizeof (Buffer), L"EFI Floppy %d", FloppyNumber);
+ }
+ BdsLibBuildOptionFromHandle (BlockIoHandles[Index], BdsBootOptionList, Buffer);
+ FloppyNumber++;
+ break;
+
+ case BDS_EFI_MESSAGE_ATAPI_BOOT:
+ if (CdromNumber == 0) {
+ UnicodeSPrint (Buffer, sizeof (Buffer), L"EFI DVD/CDROM");
+ } else {
+ UnicodeSPrint (Buffer, sizeof (Buffer), L"EFI DVD/CDROM %d", CdromNumber);
+ }
+ BdsLibBuildOptionFromHandle (BlockIoHandles[Index], BdsBootOptionList, Buffer);
+ CdromNumber++;
+ break;
+
+ case BDS_EFI_MESSAGE_USB_DEVICE_BOOT:
+ if (UsbNumber == 0) {
+ UnicodeSPrint (Buffer, sizeof (Buffer), L"EFI USB Device");
+ } else {
+ UnicodeSPrint (Buffer, sizeof (Buffer), L"EFI USB Device %d", UsbNumber);
+ }
+ BdsLibBuildOptionFromHandle (BlockIoHandles[Index], BdsBootOptionList, Buffer);
+ UsbNumber++;
+ break;
+
+ case BDS_EFI_MESSAGE_SCSI_BOOT:
+ if (UsbNumber == 0) {
+ UnicodeSPrint (Buffer, sizeof (Buffer), L"EFI SCSI Device");
+ } else {
+ UnicodeSPrint (Buffer, sizeof (Buffer), L"EFI SCSI Device %d", UsbNumber);
+ }
+ BdsLibBuildOptionFromHandle (BlockIoHandles[Index], BdsBootOptionList, Buffer);
+ UsbNumber++;
+ break;
+
+ case BDS_EFI_MESSAGE_MISC_BOOT:
+ if (MiscNumber == 0) {
+ UnicodeSPrint (Buffer, sizeof (Buffer), L"EFI Misc Device");
+ } else {
+ UnicodeSPrint (Buffer, sizeof (Buffer), L"EFI Misc Device %d", MiscNumber);
+ }
+ BdsLibBuildOptionFromHandle (BlockIoHandles[Index], BdsBootOptionList, Buffer);
+ MiscNumber++;
+ break;
+
+ default:
+ break;
+ }
+ }
+
+ if (NumberBlockIoHandles != 0) {
+ FreePool (BlockIoHandles);
+ }
+
+ //
+ // If there is simple file protocol which does not consume block Io protocol, create a boot option for it here.
+ //
+ NonBlockNumber = 0;
+ gBS->LocateHandleBuffer (
+ ByProtocol,
+ &gEfiSimpleFileSystemProtocolGuid,
+ NULL,
+ &NumberFileSystemHandles,
+ &FileSystemHandles
+ );
+ for (Index = 0; Index < NumberFileSystemHandles; Index++) {
+ Status = gBS->HandleProtocol (
+ FileSystemHandles[Index],
+ &gEfiBlockIoProtocolGuid,
+ (VOID **) &BlkIo
+ );
+ if (!EFI_ERROR (Status)) {
+ //
+ // Skip if the file system handle supports a BlkIo protocol,
+ //
+ continue;
+ }
+
+ //
+ // Do the removable Media thing. \EFI\BOOT\boot{machinename}.EFI
+ // machinename is ia32, ia64, x64, ...
+ //
+ Hdr.Union = &HdrData;
+ NeedDelete = TRUE;
+ Status = BdsLibGetImageHeader (
+ FileSystemHandles[Index],
+ (CHAR16*)PcdGetPtr (PcdDefaultBootFileName),
+ &DosHeader,
+ Hdr
+ );
+ if (!EFI_ERROR (Status) &&
+ EFI_IMAGE_MACHINE_TYPE_SUPPORTED (Hdr.Pe32->FileHeader.Machine) &&
+ Hdr.Pe32->OptionalHeader.Subsystem == EFI_IMAGE_SUBSYSTEM_EFI_APPLICATION) {
+ NeedDelete = FALSE;
+ }
+
+ if (NeedDelete) {
+ //
+ // No such file or the file is not a EFI application, delete this boot option
+ //
+ BdsLibDeleteOptionFromHandle (FileSystemHandles[Index]);
+ } else {
+ if (NonBlockNumber == 0) {
+ UnicodeSPrint (Buffer, sizeof (Buffer), L"EFI Non-Block Boot Device");
+ } else {
+ UnicodeSPrint (Buffer, sizeof (Buffer), L"EFI Non-Block Boot Device %d", NonBlockNumber);
+ }
+ BdsLibBuildOptionFromHandle (FileSystemHandles[Index], BdsBootOptionList, Buffer);
+ NonBlockNumber++;
+ }
+ }
+
+ if (NumberFileSystemHandles != 0) {
+ FreePool (FileSystemHandles);
+ }
+
+ //
+ // Parse Network Boot Device
+ //
+ gBS->LocateHandleBuffer (
+ ByProtocol,
+ &gEfiSimpleNetworkProtocolGuid,
+ NULL,
+ &NumberSimpleNetworkHandles,
+ &SimpleNetworkHandles
+ );
+ for (Index = 0; Index < NumberSimpleNetworkHandles; Index++) {
+ if (Index == 0) {
+ UnicodeSPrint (Buffer, sizeof (Buffer), L"EFI Network");
+ } else {
+ UnicodeSPrint (Buffer, sizeof (Buffer), L"EFI Network %d", Index);
+ }
+ BdsLibBuildOptionFromHandle (SimpleNetworkHandles[Index], BdsBootOptionList, Buffer);
+ }
+
+ if (NumberSimpleNetworkHandles != 0) {
+ FreePool (SimpleNetworkHandles);
+ }
+
+ //
+ // Check if we have on flash shell
+ //
+ gBS->LocateHandleBuffer (
+ ByProtocol,
+ &gEfiFirmwareVolume2ProtocolGuid,
+ NULL,
+ &FvHandleCount,
+ &FvHandleBuffer
+ );
+ for (Index = 0; Index < FvHandleCount; Index++) {
+ //
+ // Only care the dispatched FV. If no dispatch protocol on the FV, it is not dispatched, then skip it.
+ //
+ Status = gBS->HandleProtocol (
+ FvHandleBuffer[Index],
+ &gEfiFirmwareVolumeDispatchProtocolGuid,
+ (VOID **) &Fv
+ );
+ if (EFI_ERROR (Status)) {
+ continue;
+ }
+
+ gBS->HandleProtocol (
+ FvHandleBuffer[Index],
+ &gEfiFirmwareVolume2ProtocolGuid,
+ (VOID **) &Fv
+ );
+
+ Status = Fv->ReadFile (
+ Fv,
+ &gEfiShellFileGuid,
+ NULL,
+ &Size,
+ &Type,
+ &Attributes,
+ &AuthenticationStatus
+ );
+ if (EFI_ERROR (Status)) {
+ //
+ // Skip if no shell file in the FV
+ //
+ continue;
+ }
+ //
+ // Build the shell boot option
+ //
+ BdsLibBuildOptionFromShell (FvHandleBuffer[Index], BdsBootOptionList);
+ }
+
+ if (FvHandleCount != 0) {
+ FreePool (FvHandleBuffer);
+ }
+ //
+ // Make sure every boot only have one time
+ // boot device enumerate
+ //
+ BdsLibBuildOptionFromVar (BdsBootOptionList, L"BootOrder");
+ mEnumBootDevice = TRUE;
+
+ return EFI_SUCCESS;
+}
+
+/**
+ Build the boot option with the handle parsed in
+
+ @param Handle The handle which present the device path to create
+ boot option
+ @param BdsBootOptionList The header of the link list which indexed all
+ current boot options
+ @param String The description of the boot option.
+
+**/
+VOID
+EFIAPI
+BdsLibBuildOptionFromHandle (
+ IN EFI_HANDLE Handle,
+ IN LIST_ENTRY *BdsBootOptionList,
+ IN CHAR16 *String
+ )
+{
+ EFI_DEVICE_PATH_PROTOCOL *DevicePath;
+
+ DevicePath = DevicePathFromHandle (Handle);
+
+ //
+ // Create and register new boot option
+ //
+ BdsLibRegisterNewOption (BdsBootOptionList, DevicePath, String, L"BootOrder");
+}
+
+
+/**
+ Build the on flash shell boot option with the handle parsed in.
+
+ @param Handle The handle which present the device path to create
+ on flash shell boot option
+ @param BdsBootOptionList The header of the link list which indexed all
+ current boot options
+
+**/
+VOID
+EFIAPI
+BdsLibBuildOptionFromShell (
+ IN EFI_HANDLE Handle,
+ IN OUT LIST_ENTRY *BdsBootOptionList
+ )
+{
+ EFI_DEVICE_PATH_PROTOCOL *DevicePath;
+ MEDIA_FW_VOL_FILEPATH_DEVICE_PATH ShellNode;
+
+ DevicePath = DevicePathFromHandle (Handle);
+
+ //
+ // Build the shell device path
+ //
+ EfiInitializeFwVolDevicepathNode (&ShellNode, &gEfiShellFileGuid);
+
+ DevicePath = AppendDevicePathNode (DevicePath, (EFI_DEVICE_PATH_PROTOCOL *) &ShellNode);
+
+ //
+ // Create and register the shell boot option
+ //
+ BdsLibRegisterNewOption (BdsBootOptionList, DevicePath, L"EFI Internal Shell", L"BootOrder");
+
+}
+
+/**
+ Boot from the UEFI spec defined "BootNext" variable.
+
+**/
+VOID
+EFIAPI
+BdsLibBootNext (
+ VOID
+ )
+{
+ UINT16 *BootNext;
+ UINTN BootNextSize;
+ CHAR16 Buffer[20];
+ BDS_COMMON_OPTION *BootOption;
+ LIST_ENTRY TempList;
+ UINTN ExitDataSize;
+ CHAR16 *ExitData;
+
+ //
+ // Init the boot option name buffer and temp link list
+ //
+ InitializeListHead (&TempList);
+ ZeroMem (Buffer, sizeof (Buffer));
+
+ BootNext = BdsLibGetVariableAndSize (
+ L"BootNext",
+ &gEfiGlobalVariableGuid,
+ &BootNextSize
+ );
+
+ //
+ // Clear the boot next variable first
+ //
+ if (BootNext != NULL) {
+ gRT->SetVariable (
+ L"BootNext",
+ &gEfiGlobalVariableGuid,
+ EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE,
+ 0,
+ BootNext
+ );
+
+ //
+ // Start to build the boot option and try to boot
+ //
+ UnicodeSPrint (Buffer, sizeof (Buffer), L"Boot%04x", *BootNext);
+ BootOption = BdsLibVariableToOption (&TempList, Buffer);
+ ASSERT (BootOption != NULL);
+ BdsLibConnectDevicePath (BootOption->DevicePath);
+ BdsLibBootViaBootOption (BootOption, BootOption->DevicePath, &ExitDataSize, &ExitData);
+ }
+
+}
+
+/**
+ Return the bootable media handle.
+ First, check the device is connected
+ Second, check whether the device path point to a device which support SimpleFileSystemProtocol,
+ Third, detect the the default boot file in the Media, and return the removable Media handle.
+
+ @param DevicePath Device Path to a bootable device
+
+ @retval NULL The media on the DevicePath is not bootable
+
+**/
+EFI_HANDLE
+EFIAPI
+BdsLibGetBootableHandle (
+ IN EFI_DEVICE_PATH_PROTOCOL *DevicePath
+ )
+{
+ EFI_STATUS Status;
+ EFI_DEVICE_PATH_PROTOCOL *UpdatedDevicePath;
+ EFI_DEVICE_PATH_PROTOCOL *DupDevicePath;
+ EFI_HANDLE Handle;
+ EFI_BLOCK_IO_PROTOCOL *BlockIo;
+ VOID *Buffer;
+ EFI_DEVICE_PATH_PROTOCOL *TempDevicePath;
+ UINTN Size;
+ UINTN TempSize;
+ EFI_HANDLE ReturnHandle;
+ EFI_HANDLE *SimpleFileSystemHandles;
+
+ UINTN NumberSimpleFileSystemHandles;
+ UINTN Index;
+ EFI_IMAGE_DOS_HEADER DosHeader;
+ EFI_IMAGE_OPTIONAL_HEADER_UNION HdrData;
+ EFI_IMAGE_OPTIONAL_HEADER_PTR_UNION Hdr;
+
+ UpdatedDevicePath = DevicePath;
+
+ //
+ // Check whether the device is connected
+ //
+ Status = gBS->LocateDevicePath (&gEfiBlockIoProtocolGuid, &UpdatedDevicePath, &Handle);
+ if (EFI_ERROR (Status)) {
+ //
+ // Skip the case that the boot option point to a simple file protocol which does not consume block Io protocol,
+ //
+ Status = gBS->LocateDevicePath (&gEfiSimpleFileSystemProtocolGuid, &UpdatedDevicePath, &Handle);
+ if (EFI_ERROR (Status)) {
+ //
+ // Fail to find the proper BlockIo and simple file protocol, maybe because device not present, we need to connect it firstly
+ //
+ UpdatedDevicePath = DevicePath;
+ Status = gBS->LocateDevicePath (&gEfiDevicePathProtocolGuid, &UpdatedDevicePath, &Handle);
+ gBS->ConnectController (Handle, NULL, NULL, TRUE);
+ }
+ } else {
+ //
+ // Get BlockIo protocol and check removable attribute
+ //
+ Status = gBS->HandleProtocol (Handle, &gEfiBlockIoProtocolGuid, (VOID **)&BlockIo);
+ //
+ // Issue a dummy read to the device to check for media change.
+ // When the removable media is changed, any Block IO read/write will
+ // cause the BlockIo protocol be reinstalled and EFI_MEDIA_CHANGED is
+ // returned. After the Block IO protocol is reinstalled, subsequent
+ // Block IO read/write will success.
+ //
+ Buffer = AllocatePool (BlockIo->Media->BlockSize);
+ if (Buffer != NULL) {
+ BlockIo->ReadBlocks (
+ BlockIo,
+ BlockIo->Media->MediaId,
+ 0,
+ BlockIo->Media->BlockSize,
+ Buffer
+ );
+ FreePool(Buffer);
+ }
+ }
+
+ //
+ // Detect the the default boot file from removable Media
+ //
+
+ //
+ // If fail to get bootable handle specified by a USB boot option, the BDS should try to find other bootable device in the same USB bus
+ // Try to locate the USB node device path first, if fail then use its previous PCI node to search
+ //
+ DupDevicePath = DuplicateDevicePath (DevicePath);
+ ASSERT (DupDevicePath != NULL);
+
+ UpdatedDevicePath = DupDevicePath;
+ Status = gBS->LocateDevicePath (&gEfiDevicePathProtocolGuid, &UpdatedDevicePath, &Handle);
+ //
+ // if the resulting device path point to a usb node, and the usb node is a dummy node, should only let device path only point to the previous Pci node
+ // Acpi()/Pci()/Usb() --> Acpi()/Pci()
+ //
+ if ((DevicePathType (UpdatedDevicePath) == MESSAGING_DEVICE_PATH) &&
+ (DevicePathSubType (UpdatedDevicePath) == MSG_USB_DP)) {
+ //
+ // Remove the usb node, let the device path only point to PCI node
+ //
+ SetDevicePathEndNode (UpdatedDevicePath);
+ UpdatedDevicePath = DupDevicePath;
+ } else {
+ UpdatedDevicePath = DevicePath;
+ }
+
+ //
+ // Get the device path size of boot option
+ //
+ Size = GetDevicePathSize(UpdatedDevicePath) - sizeof (EFI_DEVICE_PATH_PROTOCOL); // minus the end node
+ ReturnHandle = NULL;
+ gBS->LocateHandleBuffer (
+ ByProtocol,
+ &gEfiSimpleFileSystemProtocolGuid,
+ NULL,
+ &NumberSimpleFileSystemHandles,
+ &SimpleFileSystemHandles
+ );
+ for (Index = 0; Index < NumberSimpleFileSystemHandles; Index++) {
+ //
+ // Get the device path size of SimpleFileSystem handle
+ //
+ TempDevicePath = DevicePathFromHandle (SimpleFileSystemHandles[Index]);
+ TempSize = GetDevicePathSize (TempDevicePath)- sizeof (EFI_DEVICE_PATH_PROTOCOL); // minus the end node
+ //
+ // Check whether the device path of boot option is part of the SimpleFileSystem handle's device path
+ //
+ if (Size <= TempSize && CompareMem (TempDevicePath, UpdatedDevicePath, Size)==0) {
+ //
+ // Load the default boot file \EFI\BOOT\boot{machinename}.EFI from removable Media
+ // machinename is ia32, ia64, x64, ...
+ //
+ Hdr.Union = &HdrData;
+ Status = BdsLibGetImageHeader (
+ SimpleFileSystemHandles[Index],
+ (CHAR16*)PcdGetPtr(PcdDefaultBootFileName),
+ &DosHeader,
+ Hdr
+ );
+ if (!EFI_ERROR (Status) &&
+ EFI_IMAGE_MACHINE_TYPE_SUPPORTED (Hdr.Pe32->FileHeader.Machine) &&
+ Hdr.Pe32->OptionalHeader.Subsystem == EFI_IMAGE_SUBSYSTEM_EFI_APPLICATION) {
+ ReturnHandle = SimpleFileSystemHandles[Index];
+ break;
+ }
+ }
+ }
+
+ FreePool(DupDevicePath);
+
+ if (SimpleFileSystemHandles != NULL) {
+ FreePool(SimpleFileSystemHandles);
+ }
+
+ return ReturnHandle;
+}
+
+/**
+ Check to see if the network cable is plugged in. If the DevicePath is not
+ connected it will be connected.
+
+ @param DevicePath Device Path to check
+
+ @retval TRUE DevicePath points to an Network that is connected
+ @retval FALSE DevicePath does not point to a bootable network
+
+**/
+BOOLEAN
+BdsLibNetworkBootWithMediaPresent (
+ IN EFI_DEVICE_PATH_PROTOCOL *DevicePath
+ )
+{
+ EFI_STATUS Status;
+ EFI_DEVICE_PATH_PROTOCOL *UpdatedDevicePath;
+ EFI_HANDLE Handle;
+ EFI_SIMPLE_NETWORK_PROTOCOL *Snp;
+ BOOLEAN MediaPresent;
+
+ MediaPresent = FALSE;
+
+ UpdatedDevicePath = DevicePath;
+ Status = gBS->LocateDevicePath (&gEfiSimpleNetworkProtocolGuid, &UpdatedDevicePath, &Handle);
+ if (EFI_ERROR (Status)) {
+ //
+ // Device not present so see if we need to connect it
+ //
+ Status = BdsLibConnectDevicePath (DevicePath);
+ if (!EFI_ERROR (Status)) {
+ //
+ // This one should work after we did the connect
+ //
+ Status = gBS->LocateDevicePath (&gEfiSimpleNetworkProtocolGuid, &UpdatedDevicePath, &Handle);
+ }
+ }
+
+ if (!EFI_ERROR (Status)) {
+ Status = gBS->HandleProtocol (Handle, &gEfiSimpleNetworkProtocolGuid, (VOID **)&Snp);
+ if (!EFI_ERROR (Status)) {
+ if (Snp->Mode->MediaPresentSupported) {
+ if (Snp->Mode->State == EfiSimpleNetworkInitialized) {
+ //
+ // In case some one else is using the SNP check to see if it's connected
+ //
+ MediaPresent = Snp->Mode->MediaPresent;
+ } else {
+ //
+ // No one is using SNP so we need to Start and Initialize so
+ // MediaPresent will be valid.
+ //
+ Status = Snp->Start (Snp);
+ if (!EFI_ERROR (Status)) {
+ Status = Snp->Initialize (Snp, 0, 0);
+ if (!EFI_ERROR (Status)) {
+ MediaPresent = Snp->Mode->MediaPresent;
+ Snp->Shutdown (Snp);
+ }
+ Snp->Stop (Snp);
+ }
+ }
+ } else {
+ MediaPresent = TRUE;
+ }
+ }
+ }
+
+ return MediaPresent;
+}
+
+/**
+ For a bootable Device path, return its boot type.
+
+ @param DevicePath The bootable device Path to check
+
+ @retval BDS_EFI_MEDIA_HD_BOOT If the device path contains any media device path node, it is media boot type
+ For the floppy node, handle it as media node
+ @retval BDS_EFI_MEDIA_CDROM_BOOT If the device path contains any media device path node, it is media boot type
+ For the floppy node, handle it as media node
+ @retval BDS_EFI_ACPI_FLOPPY_BOOT If the device path contains any media device path node, it is media boot type
+ For the floppy node, handle it as media node
+ @retval BDS_EFI_MESSAGE_ATAPI_BOOT If the device path not contains any media device path node, and
+ its last device path node point to a message device path node, it is
+
+ @retval BDS_EFI_MESSAGE_SCSI_BOOT If the device path not contains any media device path node, and
+ its last device path node point to a message device path node, it is
+ @retval BDS_EFI_MESSAGE_USB_DEVICE_BOOT If the device path not contains any media device path node, and
+ its last device path node point to a message device path node, it is
+ @retval BDS_EFI_MESSAGE_MISC_BOOT If the device path not contains any media device path node, and
+ its last device path node point to a message device path node, it is
+ @retval BDS_LEGACY_BBS_BOOT Legacy boot type
+ @retval BDS_EFI_UNSUPPORT An EFI Removable BlockIO device path not point to a media and message device,
+
+**/
+UINT32
+EFIAPI
+BdsGetBootTypeFromDevicePath (
+ IN EFI_DEVICE_PATH_PROTOCOL *DevicePath
+ )
+{
+ ACPI_HID_DEVICE_PATH *Acpi;
+ EFI_DEVICE_PATH_PROTOCOL *TempDevicePath;
+ EFI_DEVICE_PATH_PROTOCOL *LastDeviceNode;
+
+
+ if (NULL == DevicePath) {
+ return BDS_EFI_UNSUPPORT;
+ }
+
+ TempDevicePath = DevicePath;
+
+ while (!IsDevicePathEndType (TempDevicePath)) {
+ switch (DevicePathType (TempDevicePath)) {
+ case BBS_DEVICE_PATH:
+ return BDS_LEGACY_BBS_BOOT;
+ case MEDIA_DEVICE_PATH:
+ if (DevicePathSubType (TempDevicePath) == MEDIA_HARDDRIVE_DP) {
+ return BDS_EFI_MEDIA_HD_BOOT;
+ } else if (DevicePathSubType (TempDevicePath) == MEDIA_CDROM_DP) {
+ return BDS_EFI_MEDIA_CDROM_BOOT;
+ }
+ break;
+ case ACPI_DEVICE_PATH:
+ Acpi = (ACPI_HID_DEVICE_PATH *) TempDevicePath;
+ if (EISA_ID_TO_NUM (Acpi->HID) == 0x0604) {
+ return BDS_EFI_ACPI_FLOPPY_BOOT;
+ }
+ break;
+ case MESSAGING_DEVICE_PATH:
+ //
+ // Get the last device path node
+ //
+ LastDeviceNode = NextDevicePathNode (TempDevicePath);
+ if (DevicePathSubType(LastDeviceNode) == MSG_DEVICE_LOGICAL_UNIT_DP) {
+ //
+ // if the next node type is Device Logical Unit, which specify the Logical Unit Number (LUN),
+ // skit it
+ //
+ LastDeviceNode = NextDevicePathNode (LastDeviceNode);
+ }
+ //
+ // if the device path not only point to driver device, it is not a messaging device path,
+ //
+ if (!IsDevicePathEndType (LastDeviceNode)) {
+ break;
+ }
+
+ if (DevicePathSubType(TempDevicePath) == MSG_ATAPI_DP) {
+ return BDS_EFI_MESSAGE_ATAPI_BOOT;
+ } else if (DevicePathSubType(TempDevicePath) == MSG_USB_DP) {
+ return BDS_EFI_MESSAGE_USB_DEVICE_BOOT;
+ } else if (DevicePathSubType(TempDevicePath) == MSG_SCSI_DP) {
+ return BDS_EFI_MESSAGE_SCSI_BOOT;
+ }
+ return BDS_EFI_MESSAGE_MISC_BOOT;
+ default:
+ break;
+ }
+ TempDevicePath = NextDevicePathNode (TempDevicePath);
+ }
+
+ return BDS_EFI_UNSUPPORT;
+}
+
+/**
+ Check whether the Device path in a boot option point to a valid bootable device,
+ And if CheckMedia is true, check the device is ready to boot now.
+
+ @param DevPath the Device path in a boot option
+ @param CheckMedia if true, check the device is ready to boot now.
+
+ @retval TRUE the Device path is valid
+ @retval FALSE the Device path is invalid .
+
+**/
+BOOLEAN
+EFIAPI
+BdsLibIsValidEFIBootOptDevicePath (
+ IN EFI_DEVICE_PATH_PROTOCOL *DevPath,
+ IN BOOLEAN CheckMedia
+ )
+{
+ EFI_STATUS Status;
+ EFI_HANDLE Handle;
+ EFI_DEVICE_PATH_PROTOCOL *TempDevicePath;
+ EFI_DEVICE_PATH_PROTOCOL *LastDeviceNode;
+ EFI_BLOCK_IO_PROTOCOL *BlockIo;
+
+ TempDevicePath = DevPath;
+ LastDeviceNode = DevPath;
+
+ //
+ // Check if it's a valid boot option for network boot device
+ // Only check if there is SimpleNetworkProtocol installed. If yes, that means
+ // there is the network card there.
+ //
+ Status = gBS->LocateDevicePath (
+ &gEfiSimpleNetworkProtocolGuid,
+ &TempDevicePath,
+ &Handle
+ );
+ if (EFI_ERROR (Status)) {
+ //
+ // Device not present so see if we need to connect it
+ //
+ TempDevicePath = DevPath;
+ BdsLibConnectDevicePath (TempDevicePath);
+ Status = gBS->LocateDevicePath (
+ &gEfiSimpleNetworkProtocolGuid,
+ &TempDevicePath,
+ &Handle
+ );
+ }
+
+ if (!EFI_ERROR (Status)) {
+ if (CheckMedia) {
+ //
+ // Test if it is ready to boot now
+ //
+ if (BdsLibNetworkBootWithMediaPresent(DevPath)) {
+ return TRUE;
+ }
+ } else {
+ return TRUE;
+ }
+ }
+
+ //
+ // If the boot option point to a file, it is a valid EFI boot option,
+ // and assume it is ready to boot now
+ //
+ while (!IsDevicePathEnd (TempDevicePath)) {
+ LastDeviceNode = TempDevicePath;
+ TempDevicePath = NextDevicePathNode (TempDevicePath);
+ }
+ if ((DevicePathType (LastDeviceNode) == MEDIA_DEVICE_PATH) &&
+ (DevicePathSubType (LastDeviceNode) == MEDIA_FILEPATH_DP)) {
+ return TRUE;
+ }
+
+ //
+ // Check if it's a valid boot option for internal Shell
+ //
+ if (EfiGetNameGuidFromFwVolDevicePathNode ((MEDIA_FW_VOL_FILEPATH_DEVICE_PATH *) LastDeviceNode) != NULL) {
+ //
+ // If the boot option point to Internal FV shell, make sure it is valid
+ //
+ TempDevicePath = DevPath;
+ Status = BdsLibUpdateFvFileDevicePath (&TempDevicePath, &gEfiShellFileGuid);
+ if (Status == EFI_ALREADY_STARTED) {
+ return TRUE;
+ } else {
+ if (Status == EFI_SUCCESS) {
+ FreePool (TempDevicePath);
+ }
+ return FALSE;
+ }
+ }
+
+ //
+ // If the boot option point to a blockIO device, no matter whether or not it is a removeable device, it is a valid EFI boot option
+ //
+ TempDevicePath = DevPath;
+ Status = gBS->LocateDevicePath (&gEfiBlockIoProtocolGuid, &TempDevicePath, &Handle);
+ if (EFI_ERROR (Status)) {
+ //
+ // Device not present so see if we need to connect it
+ //
+ Status = BdsLibConnectDevicePath (DevPath);
+ if (!EFI_ERROR (Status)) {
+ //
+ // Try again to get the Block Io protocol after we did the connect
+ //
+ TempDevicePath = DevPath;
+ Status = gBS->LocateDevicePath (&gEfiBlockIoProtocolGuid, &TempDevicePath, &Handle);
+ }
+ }
+
+ if (!EFI_ERROR (Status)) {
+ Status = gBS->HandleProtocol (Handle, &gEfiBlockIoProtocolGuid, (VOID **)&BlockIo);
+ if (!EFI_ERROR (Status)) {
+ if (CheckMedia) {
+ //
+ // Test if it is ready to boot now
+ //
+ if (BdsLibGetBootableHandle (DevPath) != NULL) {
+ return TRUE;
+ }
+ } else {
+ return TRUE;
+ }
+ }
+ } else {
+ //
+ // if the boot option point to a simple file protocol which does not consume block Io protocol, it is also a valid EFI boot option,
+ //
+ Status = gBS->LocateDevicePath (&gEfiSimpleFileSystemProtocolGuid, &TempDevicePath, &Handle);
+ if (!EFI_ERROR (Status)) {
+ if (CheckMedia) {
+ //
+ // Test if it is ready to boot now
+ //
+ if (BdsLibGetBootableHandle (DevPath) != NULL) {
+ return TRUE;
+ }
+ } else {
+ return TRUE;
+ }
+ }
+ }
+
+ return FALSE;
+}
+
+
+/**
+ According to a file guild, check a Fv file device path is valid. If it is invalid,
+ try to return the valid device path.
+ FV address maybe changes for memory layout adjust from time to time, use this function
+ could promise the Fv file device path is right.
+
+ @param DevicePath on input, the Fv file device path need to check on
+ output, the updated valid Fv file device path
+ @param FileGuid the Fv file guild
+
+ @retval EFI_INVALID_PARAMETER the input DevicePath or FileGuid is invalid
+ parameter
+ @retval EFI_UNSUPPORTED the input DevicePath does not contain Fv file
+ guild at all
+ @retval EFI_ALREADY_STARTED the input DevicePath has pointed to Fv file, it is
+ valid
+ @retval EFI_SUCCESS has successfully updated the invalid DevicePath,
+ and return the updated device path in DevicePath
+
+**/
+EFI_STATUS
+EFIAPI
+BdsLibUpdateFvFileDevicePath (
+ IN OUT EFI_DEVICE_PATH_PROTOCOL ** DevicePath,
+ IN EFI_GUID *FileGuid
+ )
+{
+ EFI_DEVICE_PATH_PROTOCOL *TempDevicePath;
+ EFI_DEVICE_PATH_PROTOCOL *LastDeviceNode;
+ EFI_STATUS Status;
+ EFI_GUID *GuidPoint;
+ UINTN Index;
+ UINTN FvHandleCount;
+ EFI_HANDLE *FvHandleBuffer;
+ EFI_FV_FILETYPE Type;
+ UINTN Size;
+ EFI_FV_FILE_ATTRIBUTES Attributes;
+ UINT32 AuthenticationStatus;
+ BOOLEAN FindFvFile;
+ EFI_LOADED_IMAGE_PROTOCOL *LoadedImage;
+ EFI_FIRMWARE_VOLUME2_PROTOCOL *Fv;
+ MEDIA_FW_VOL_FILEPATH_DEVICE_PATH FvFileNode;
+ EFI_HANDLE FoundFvHandle;
+ EFI_DEVICE_PATH_PROTOCOL *NewDevicePath;
+
+ if ((DevicePath == NULL) || (*DevicePath == NULL)) {
+ return EFI_INVALID_PARAMETER;
+ }
+ if (FileGuid == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ //
+ // Check whether the device path point to the default the input Fv file
+ //
+ TempDevicePath = *DevicePath;
+ LastDeviceNode = TempDevicePath;
+ while (!IsDevicePathEnd (TempDevicePath)) {
+ LastDeviceNode = TempDevicePath;
+ TempDevicePath = NextDevicePathNode (TempDevicePath);
+ }
+ GuidPoint = EfiGetNameGuidFromFwVolDevicePathNode (
+ (MEDIA_FW_VOL_FILEPATH_DEVICE_PATH *) LastDeviceNode
+ );
+ if (GuidPoint == NULL) {
+ //
+ // if this option does not points to a Fv file, just return EFI_UNSUPPORTED
+ //
+ return EFI_UNSUPPORTED;
+ }
+ if (!CompareGuid (GuidPoint, FileGuid)) {
+ //
+ // If the Fv file is not the input file guid, just return EFI_UNSUPPORTED
+ //
+ return EFI_UNSUPPORTED;
+ }
+
+ //
+ // Check whether the input Fv file device path is valid
+ //
+ TempDevicePath = *DevicePath;
+ FoundFvHandle = NULL;
+ Status = gBS->LocateDevicePath (
+ &gEfiFirmwareVolume2ProtocolGuid,
+ &TempDevicePath,
+ &FoundFvHandle
+ );
+ if (!EFI_ERROR (Status)) {
+ Status = gBS->HandleProtocol (
+ FoundFvHandle,
+ &gEfiFirmwareVolume2ProtocolGuid,
+ (VOID **) &Fv
+ );
+ if (!EFI_ERROR (Status)) {
+ //
+ // Set FV ReadFile Buffer as NULL, only need to check whether input Fv file exist there
+ //
+ Status = Fv->ReadFile (
+ Fv,
+ FileGuid,
+ NULL,
+ &Size,
+ &Type,
+ &Attributes,
+ &AuthenticationStatus
+ );
+ if (!EFI_ERROR (Status)) {
+ return EFI_ALREADY_STARTED;
+ }
+ }
+ }
+
+ //
+ // Look for the input wanted FV file in current FV
+ // First, try to look for in Bds own FV. Bds and input wanted FV file usually are in the same FV
+ //
+ FindFvFile = FALSE;
+ FoundFvHandle = NULL;
+ Status = gBS->HandleProtocol (
+ mBdsImageHandle,
+ &gEfiLoadedImageProtocolGuid,
+ (VOID **) &LoadedImage
+ );
+ if (!EFI_ERROR (Status)) {
+ Status = gBS->HandleProtocol (
+ LoadedImage->DeviceHandle,
+ &gEfiFirmwareVolume2ProtocolGuid,
+ (VOID **) &Fv
+ );
+ if (!EFI_ERROR (Status)) {
+ Status = Fv->ReadFile (
+ Fv,
+ FileGuid,
+ NULL,
+ &Size,
+ &Type,
+ &Attributes,
+ &AuthenticationStatus
+ );
+ if (!EFI_ERROR (Status)) {
+ FindFvFile = TRUE;
+ FoundFvHandle = LoadedImage->DeviceHandle;
+ }
+ }
+ }
+ //
+ // Second, if fail to find, try to enumerate all FV
+ //
+ if (!FindFvFile) {
+ FvHandleBuffer = NULL;
+ gBS->LocateHandleBuffer (
+ ByProtocol,
+ &gEfiFirmwareVolume2ProtocolGuid,
+ NULL,
+ &FvHandleCount,
+ &FvHandleBuffer
+ );
+ for (Index = 0; Index < FvHandleCount; Index++) {
+ gBS->HandleProtocol (
+ FvHandleBuffer[Index],
+ &gEfiFirmwareVolume2ProtocolGuid,
+ (VOID **) &Fv
+ );
+
+ Status = Fv->ReadFile (
+ Fv,
+ FileGuid,
+ NULL,
+ &Size,
+ &Type,
+ &Attributes,
+ &AuthenticationStatus
+ );
+ if (EFI_ERROR (Status)) {
+ //
+ // Skip if input Fv file not in the FV
+ //
+ continue;
+ }
+ FindFvFile = TRUE;
+ FoundFvHandle = FvHandleBuffer[Index];
+ break;
+ }
+
+ if (FvHandleBuffer != NULL) {
+ FreePool (FvHandleBuffer);
+ }
+ }
+
+ if (FindFvFile) {
+ //
+ // Build the shell device path
+ //
+ NewDevicePath = DevicePathFromHandle (FoundFvHandle);
+ EfiInitializeFwVolDevicepathNode (&FvFileNode, FileGuid);
+ NewDevicePath = AppendDevicePathNode (NewDevicePath, (EFI_DEVICE_PATH_PROTOCOL *) &FvFileNode);
+ *DevicePath = NewDevicePath;
+ return EFI_SUCCESS;
+ }
+ return EFI_NOT_FOUND;
+}
diff --git a/IntelFrameworkModulePkg/Library/GenericBdsLib/BdsConnect.c b/IntelFrameworkModulePkg/Library/GenericBdsLib/BdsConnect.c new file mode 100644 index 0000000000..7d0254d33c --- /dev/null +++ b/IntelFrameworkModulePkg/Library/GenericBdsLib/BdsConnect.c @@ -0,0 +1,415 @@ +/** @file
+ BDS Lib functions which relate with connect the device
+
+Copyright (c) 2004 - 2008, Intel Corporation. <BR>
+All rights reserved. This program and the accompanying materials
+are licensed and made available under the terms and conditions of the BSD License
+which accompanies this distribution. The full text of the license may be found at
+http://opensource.org/licenses/bsd-license.php
+
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#include "InternalBdsLib.h"
+
+
+/**
+ This function will connect all the system driver to controller
+ first, and then special connect the default console, this make
+ sure all the system controller available and the platform default
+ console connected.
+
+**/
+VOID
+EFIAPI
+BdsLibConnectAll (
+ VOID
+ )
+{
+ //
+ // Connect the platform console first
+ //
+ BdsLibConnectAllDefaultConsoles ();
+
+ //
+ // Generic way to connect all the drivers
+ //
+ BdsLibConnectAllDriversToAllControllers ();
+
+ //
+ // Here we have the assumption that we have already had
+ // platform default console
+ //
+ BdsLibConnectAllDefaultConsoles ();
+}
+
+
+/**
+ This function will connect all the system drivers to all controllers
+ first, and then connect all the console devices the system current
+ have. After this we should get all the device work and console available
+ if the system have console device.
+
+**/
+VOID
+BdsLibGenericConnectAll (
+ VOID
+ )
+{
+ //
+ // Most generic way to connect all the drivers
+ //
+ BdsLibConnectAllDriversToAllControllers ();
+ BdsLibConnectAllConsoles ();
+}
+
+
+/**
+ This function will create all handles associate with every device
+ path node. If the handle associate with one device path node can not
+ be created success, then still give one chance to do the dispatch,
+ which load the missing drivers if possible.
+
+ @param DevicePathToConnect The device path which will be connected, it can be
+ a multi-instance device path
+
+ @retval EFI_SUCCESS All handles associate with every device path node
+ have been created
+ @retval EFI_OUT_OF_RESOURCES There is no resource to create new handles
+ @retval EFI_NOT_FOUND Create the handle associate with one device path
+ node failed
+
+**/
+EFI_STATUS
+EFIAPI
+BdsLibConnectDevicePath (
+ IN EFI_DEVICE_PATH_PROTOCOL *DevicePathToConnect
+ )
+{
+ EFI_STATUS Status;
+ EFI_DEVICE_PATH_PROTOCOL *DevicePath;
+ EFI_DEVICE_PATH_PROTOCOL *CopyOfDevicePath;
+ EFI_DEVICE_PATH_PROTOCOL *Instance;
+ EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath;
+ EFI_DEVICE_PATH_PROTOCOL *Next;
+ EFI_HANDLE Handle;
+ EFI_HANDLE PreviousHandle;
+ UINTN Size;
+
+ if (DevicePathToConnect == NULL) {
+ return EFI_SUCCESS;
+ }
+
+ DevicePath = DuplicateDevicePath (DevicePathToConnect);
+ if (DevicePath == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+ CopyOfDevicePath = DevicePath;
+
+ do {
+ //
+ // The outer loop handles multi instance device paths.
+ // Only console variables contain multiple instance device paths.
+ //
+ // After this call DevicePath points to the next Instance
+ //
+ Instance = GetNextDevicePathInstance (&DevicePath, &Size);
+ if (Instance == NULL) {
+ FreePool (CopyOfDevicePath);
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ Next = Instance;
+ while (!IsDevicePathEndType (Next)) {
+ Next = NextDevicePathNode (Next);
+ }
+
+ SetDevicePathEndNode (Next);
+
+ //
+ // Start the real work of connect with RemainingDevicePath
+ //
+ PreviousHandle = NULL;
+ do {
+ //
+ // Find the handle that best matches the Device Path. If it is only a
+ // partial match the remaining part of the device path is returned in
+ // RemainingDevicePath.
+ //
+ RemainingDevicePath = Instance;
+ Status = gBS->LocateDevicePath (&gEfiDevicePathProtocolGuid, &RemainingDevicePath, &Handle);
+
+ if (!EFI_ERROR (Status)) {
+ if (Handle == PreviousHandle) {
+ //
+ // If no forward progress is made try invoking the Dispatcher.
+ // A new FV may have been added to the system an new drivers
+ // may now be found.
+ // Status == EFI_SUCCESS means a driver was dispatched
+ // Status == EFI_NOT_FOUND means no new drivers were dispatched
+ //
+ Status = gDS->Dispatch ();
+ }
+
+ if (!EFI_ERROR (Status)) {
+ PreviousHandle = Handle;
+ //
+ // Connect all drivers that apply to Handle and RemainingDevicePath,
+ // the Recursive flag is FALSE so only one level will be expanded.
+ //
+ // Do not check the connect status here, if the connect controller fail,
+ // then still give the chance to do dispatch, because partial
+ // RemainingDevicepath may be in the new FV
+ //
+ // 1. If the connect fail, RemainingDevicepath and handle will not
+ // change, so next time will do the dispatch, then dispatch's status
+ // will take effect
+ // 2. If the connect success, the RemainingDevicepath and handle will
+ // change, then avoid the dispatch, we have chance to continue the
+ // next connection
+ //
+ gBS->ConnectController (Handle, NULL, RemainingDevicePath, FALSE);
+ }
+ }
+ //
+ // Loop until RemainingDevicePath is an empty device path
+ //
+ } while (!EFI_ERROR (Status) && !IsDevicePathEnd (RemainingDevicePath));
+
+ } while (DevicePath != NULL);
+
+ if (CopyOfDevicePath != NULL) {
+ FreePool (CopyOfDevicePath);
+ }
+ //
+ // All handle with DevicePath exists in the handle database
+ //
+ return Status;
+}
+
+
+/**
+ This function will connect all current system handles recursively. The
+ connection will finish until every handle's child handle created if it have.
+
+ @retval EFI_SUCCESS All handles and it's child handle have been
+ connected
+ @retval EFI_STATUS Return the status of gBS->LocateHandleBuffer().
+
+**/
+EFI_STATUS
+EFIAPI
+BdsLibConnectAllEfi (
+ VOID
+ )
+{
+ EFI_STATUS Status;
+ UINTN HandleCount;
+ EFI_HANDLE *HandleBuffer;
+ UINTN Index;
+
+ Status = gBS->LocateHandleBuffer (
+ AllHandles,
+ NULL,
+ NULL,
+ &HandleCount,
+ &HandleBuffer
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ for (Index = 0; Index < HandleCount; Index++) {
+ Status = gBS->ConnectController (HandleBuffer[Index], NULL, NULL, TRUE);
+ }
+
+ if (HandleBuffer != NULL) {
+ FreePool (HandleBuffer);
+ }
+
+ return EFI_SUCCESS;
+}
+
+
+/**
+ This function will disconnect all current system handles. The disconnection
+ will finish until every handle have been disconnected.
+
+ @retval EFI_SUCCESS All handles have been disconnected
+ @retval EFI_STATUS Return the status of gBS->LocateHandleBuffer().
+
+**/
+EFI_STATUS
+EFIAPI
+BdsLibDisconnectAllEfi (
+ VOID
+ )
+{
+ EFI_STATUS Status;
+ UINTN HandleCount;
+ EFI_HANDLE *HandleBuffer;
+ UINTN Index;
+
+ //
+ // Disconnect all
+ //
+ Status = gBS->LocateHandleBuffer (
+ AllHandles,
+ NULL,
+ NULL,
+ &HandleCount,
+ &HandleBuffer
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ for (Index = 0; Index < HandleCount; Index++) {
+ Status = gBS->DisconnectController (HandleBuffer[Index], NULL, NULL);
+ }
+
+ if (HandleBuffer != NULL) {
+ FreePool (HandleBuffer);
+ }
+
+ return EFI_SUCCESS;
+}
+
+
+/**
+ Connects all drivers to all controllers.
+ This function make sure all the current system driver will manage
+ the correspoinding controllers if have. And at the same time, make
+ sure all the system controllers have driver to manage it if have.
+
+**/
+VOID
+EFIAPI
+BdsLibConnectAllDriversToAllControllers (
+ VOID
+ )
+{
+ EFI_STATUS Status;
+
+ do {
+ //
+ // Connect All EFI 1.10 drivers following EFI 1.10 algorithm
+ //
+ BdsLibConnectAllEfi ();
+
+ //
+ // Check to see if it's possible to dispatch an more DXE drivers.
+ // The BdsLibConnectAllEfi () may have made new DXE drivers show up.
+ // If anything is Dispatched Status == EFI_SUCCESS and we will try
+ // the connect again.
+ //
+ Status = gDS->Dispatch ();
+
+ } while (!EFI_ERROR (Status));
+
+}
+
+
+/**
+ Connect the specific Usb device which match the short form device path,
+ and whose bus is determined by Host Controller (Uhci or Ehci).
+
+ @param HostControllerPI Uhci (0x00) or Ehci (0x20) or Both uhci and ehci
+ (0xFF)
+ @param RemainingDevicePath a short-form device path that starts with the first
+ element being a USB WWID or a USB Class device
+ path
+
+ @return EFI_INVALID_PARAMETER RemainingDevicePath is NULL pointer.
+ RemainingDevicePath is not a USB device path.
+ Invalid HostControllerPI type.
+ @return EFI_SUCCESS Success to connect USB device
+ @return EFI_NOT_FOUND Fail to find handle for USB controller to connect.
+
+**/
+EFI_STATUS
+EFIAPI
+BdsLibConnectUsbDevByShortFormDP(
+ IN UINT8 HostControllerPI,
+ IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
+ )
+{
+ EFI_STATUS Status;
+ EFI_HANDLE *HandleArray;
+ UINTN HandleArrayCount;
+ UINTN Index;
+ EFI_PCI_IO_PROTOCOL *PciIo;
+ UINT8 Class[3];
+ BOOLEAN AtLeastOneConnected;
+
+ //
+ // Check the passed in parameters
+ //
+ if (RemainingDevicePath == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ if ((DevicePathType (RemainingDevicePath) != MESSAGING_DEVICE_PATH) ||
+ ((DevicePathSubType (RemainingDevicePath) != MSG_USB_CLASS_DP)
+ && (DevicePathSubType (RemainingDevicePath) != MSG_USB_WWID_DP)
+ )) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ if (HostControllerPI != 0xFF &&
+ HostControllerPI != 0x00 &&
+ HostControllerPI != 0x20) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ //
+ // Find the usb host controller firstly, then connect with the remaining device path
+ //
+ AtLeastOneConnected = FALSE;
+ Status = gBS->LocateHandleBuffer (
+ ByProtocol,
+ &gEfiPciIoProtocolGuid,
+ NULL,
+ &HandleArrayCount,
+ &HandleArray
+ );
+ if (!EFI_ERROR (Status)) {
+ for (Index = 0; Index < HandleArrayCount; Index++) {
+ Status = gBS->HandleProtocol (
+ HandleArray[Index],
+ &gEfiPciIoProtocolGuid,
+ (VOID **)&PciIo
+ );
+ if (!EFI_ERROR (Status)) {
+ //
+ // Check whether the Pci device is the wanted usb host controller
+ //
+ Status = PciIo->Pci.Read (PciIo, EfiPciIoWidthUint8, 0x09, 3, &Class);
+ if (!EFI_ERROR (Status)) {
+ if ((PCI_CLASS_SERIAL == Class[2]) &&
+ (PCI_CLASS_SERIAL_USB == Class[1])) {
+ if (HostControllerPI == Class[0] || HostControllerPI == 0xFF) {
+ Status = gBS->ConnectController (
+ HandleArray[Index],
+ NULL,
+ RemainingDevicePath,
+ FALSE
+ );
+ if (!EFI_ERROR(Status)) {
+ AtLeastOneConnected = TRUE;
+ }
+ }
+ }
+ }
+ }
+ }
+
+ if (AtLeastOneConnected) {
+ return EFI_SUCCESS;
+ }
+ }
+
+ return EFI_NOT_FOUND;
+}
diff --git a/IntelFrameworkModulePkg/Library/GenericBdsLib/BdsConsole.c b/IntelFrameworkModulePkg/Library/GenericBdsLib/BdsConsole.c new file mode 100644 index 0000000000..cb89a8d501 --- /dev/null +++ b/IntelFrameworkModulePkg/Library/GenericBdsLib/BdsConsole.c @@ -0,0 +1,901 @@ +/** @file
+ BDS Lib functions which contain all the code to connect console device
+
+Copyright (c) 2004 - 2008, Intel Corporation. <BR>
+All rights reserved. This program and the accompanying materials
+are licensed and made available under the terms and conditions of the BSD License
+which accompanies this distribution. The full text of the license may be found at
+http://opensource.org/licenses/bsd-license.php
+
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#include "InternalBdsLib.h"
+
+/**
+ Check if we need to save the EFI variable with "ConVarName" as name
+ as NV type
+
+ @param ConVarName The name of the EFI variable.
+
+ @retval TRUE Set the EFI variable as NV type.
+ @retval FALSE EFI variable as NV type can be set NonNV.
+**/
+BOOLEAN
+IsNvNeed (
+ IN CHAR16 *ConVarName
+ )
+{
+ CHAR16 *Ptr;
+
+ Ptr = ConVarName;
+
+ //
+ // If the variable includes "Dev" at last, we consider
+ // it does not support NV attribute.
+ //
+ while (*Ptr != L'\0') {
+ Ptr++;
+ }
+
+ if ((*(Ptr - 3) == 'D') && (*(Ptr - 2) == 'e') && (*(Ptr - 1) == 'v')) {
+ return FALSE;
+ } else {
+ return TRUE;
+ }
+}
+
+/**
+ This function update console variable based on ConVarName, it can
+ add or remove one specific console device path from the variable
+
+ @param ConVarName Console related variable name, ConIn, ConOut,
+ ErrOut.
+ @param CustomizedConDevicePath The console device path which will be added to
+ the console variable ConVarName, this parameter
+ can not be multi-instance.
+ @param ExclusiveDevicePath The console device path which will be removed
+ from the console variable ConVarName, this
+ parameter can not be multi-instance.
+
+ @retval EFI_UNSUPPORTED The added device path is same to the removed one.
+ @retval EFI_SUCCESS Success add or remove the device path from the
+ console variable.
+
+**/
+EFI_STATUS
+EFIAPI
+BdsLibUpdateConsoleVariable (
+ IN CHAR16 *ConVarName,
+ IN EFI_DEVICE_PATH_PROTOCOL *CustomizedConDevicePath,
+ IN EFI_DEVICE_PATH_PROTOCOL *ExclusiveDevicePath
+ )
+{
+ EFI_DEVICE_PATH_PROTOCOL *VarConsole;
+ UINTN DevicePathSize;
+ EFI_DEVICE_PATH_PROTOCOL *NewDevicePath;
+ EFI_DEVICE_PATH_PROTOCOL *TempNewDevicePath;
+ UINT32 Attributes;
+
+ VarConsole = NULL;
+ DevicePathSize = 0;
+
+ //
+ // Notes: check the device path point, here should check
+ // with compare memory
+ //
+ if (CustomizedConDevicePath == ExclusiveDevicePath) {
+ return EFI_UNSUPPORTED;
+ }
+ //
+ // Delete the ExclusiveDevicePath from current default console
+ //
+ VarConsole = BdsLibGetVariableAndSize (
+ ConVarName,
+ &gEfiGlobalVariableGuid,
+ &DevicePathSize
+ );
+
+ //
+ // Initialize NewDevicePath
+ //
+ NewDevicePath = VarConsole;
+
+ //
+ // If ExclusiveDevicePath is even the part of the instance in VarConsole, delete it.
+ // In the end, NewDevicePath is the final device path.
+ //
+ if (ExclusiveDevicePath != NULL && VarConsole != NULL) {
+ NewDevicePath = BdsLibDelPartMatchInstance (VarConsole, ExclusiveDevicePath);
+ }
+ //
+ // Try to append customized device path to NewDevicePath.
+ //
+ if (CustomizedConDevicePath != NULL) {
+ if (!BdsLibMatchDevicePaths (NewDevicePath, CustomizedConDevicePath)) {
+ //
+ // Check if there is part of CustomizedConDevicePath in NewDevicePath, delete it.
+ //
+ NewDevicePath = BdsLibDelPartMatchInstance (NewDevicePath, CustomizedConDevicePath);
+ //
+ // In the first check, the default console variable will be _ModuleEntryPoint,
+ // just append current customized device path
+ //
+ TempNewDevicePath = NewDevicePath;
+ NewDevicePath = AppendDevicePathInstance (NewDevicePath, CustomizedConDevicePath);
+ if (TempNewDevicePath != NULL) {
+ FreePool(TempNewDevicePath);
+ }
+ }
+ }
+
+ //
+ // The attribute for ConInDev, ConOutDev and ErrOutDev does not include NV.
+ //
+ if (IsNvNeed(ConVarName)) {
+ //
+ // ConVarName has NV attribute.
+ //
+ Attributes = EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE;
+ } else {
+ //
+ // ConVarName does not have NV attribute.
+ //
+ Attributes = EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS;
+ }
+
+ //
+ // Finally, Update the variable of the default console by NewDevicePath
+ //
+ gRT->SetVariable (
+ ConVarName,
+ &gEfiGlobalVariableGuid,
+ Attributes,
+ GetDevicePathSize (NewDevicePath),
+ NewDevicePath
+ );
+
+ if (VarConsole == NewDevicePath) {
+ if (VarConsole != NULL) {
+ FreePool(VarConsole);
+ }
+ } else {
+ if (VarConsole != NULL) {
+ FreePool(VarConsole);
+ }
+ if (NewDevicePath != NULL) {
+ FreePool(NewDevicePath);
+ }
+ }
+
+ return EFI_SUCCESS;
+
+}
+
+
+/**
+ Connect the console device base on the variable ConVarName, if
+ device path of the ConVarName is multi-instance device path, if
+ anyone of the instances is connected success, then this function
+ will return success.
+
+ @param ConVarName Console related variable name, ConIn, ConOut,
+ ErrOut.
+
+ @retval EFI_NOT_FOUND There is not any console devices connected
+ success
+ @retval EFI_SUCCESS Success connect any one instance of the console
+ device path base on the variable ConVarName.
+
+**/
+EFI_STATUS
+EFIAPI
+BdsLibConnectConsoleVariable (
+ IN CHAR16 *ConVarName
+ )
+{
+ EFI_STATUS Status;
+ EFI_DEVICE_PATH_PROTOCOL *StartDevicePath;
+ UINTN VariableSize;
+ EFI_DEVICE_PATH_PROTOCOL *Instance;
+ EFI_DEVICE_PATH_PROTOCOL *Next;
+ EFI_DEVICE_PATH_PROTOCOL *CopyOfDevicePath;
+ UINTN Size;
+ BOOLEAN DeviceExist;
+
+ Status = EFI_SUCCESS;
+ DeviceExist = FALSE;
+
+ //
+ // Check if the console variable exist
+ //
+ StartDevicePath = BdsLibGetVariableAndSize (
+ ConVarName,
+ &gEfiGlobalVariableGuid,
+ &VariableSize
+ );
+ if (StartDevicePath == NULL) {
+ return EFI_UNSUPPORTED;
+ }
+
+ CopyOfDevicePath = StartDevicePath;
+ do {
+ //
+ // Check every instance of the console variable
+ //
+ Instance = GetNextDevicePathInstance (&CopyOfDevicePath, &Size);
+ if (Instance == NULL) {
+ FreePool (StartDevicePath);
+ return EFI_UNSUPPORTED;
+ }
+
+ Next = Instance;
+ while (!IsDevicePathEndType (Next)) {
+ Next = NextDevicePathNode (Next);
+ }
+
+ SetDevicePathEndNode (Next);
+ //
+ // Check USB1.1 console
+ //
+ if ((DevicePathType (Instance) == MESSAGING_DEVICE_PATH) &&
+ ((DevicePathSubType (Instance) == MSG_USB_CLASS_DP)
+ || (DevicePathSubType (Instance) == MSG_USB_WWID_DP)
+ )) {
+ //
+ // Check the Usb console in Usb2.0 bus firstly, then Usb1.1 bus
+ //
+ Status = BdsLibConnectUsbDevByShortFormDP (PCI_CLASSC_PI_EHCI, Instance);
+ if (!EFI_ERROR (Status)) {
+ DeviceExist = TRUE;
+ }
+
+ Status = BdsLibConnectUsbDevByShortFormDP (PCI_CLASSC_PI_UHCI, Instance);
+ if (!EFI_ERROR (Status)) {
+ DeviceExist = TRUE;
+ }
+ } else {
+ //
+ // Connect the instance device path
+ //
+ Status = BdsLibConnectDevicePath (Instance);
+ if (EFI_ERROR (Status)) {
+ //
+ // Delete the instance from the console varialbe
+ //
+ BdsLibUpdateConsoleVariable (ConVarName, NULL, Instance);
+ } else {
+ DeviceExist = TRUE;
+ }
+ }
+ FreePool(Instance);
+ } while (CopyOfDevicePath != NULL);
+
+ FreePool (StartDevicePath);
+
+ if (!DeviceExist) {
+ return EFI_NOT_FOUND;
+ }
+
+ return EFI_SUCCESS;
+}
+
+
+/**
+ This function will search every simpletext device in current system,
+ and make every simpletext device as pertantial console device.
+
+**/
+VOID
+EFIAPI
+BdsLibConnectAllConsoles (
+ VOID
+ )
+{
+ UINTN Index;
+ EFI_DEVICE_PATH_PROTOCOL *ConDevicePath;
+ UINTN HandleCount;
+ EFI_HANDLE *HandleBuffer;
+
+ Index = 0;
+ HandleCount = 0;
+ HandleBuffer = NULL;
+ ConDevicePath = NULL;
+
+ //
+ // Update all the console variables
+ //
+ gBS->LocateHandleBuffer (
+ ByProtocol,
+ &gEfiSimpleTextInProtocolGuid,
+ NULL,
+ &HandleCount,
+ &HandleBuffer
+ );
+
+ for (Index = 0; Index < HandleCount; Index++) {
+ gBS->HandleProtocol (
+ HandleBuffer[Index],
+ &gEfiDevicePathProtocolGuid,
+ (VOID **) &ConDevicePath
+ );
+ BdsLibUpdateConsoleVariable (L"ConIn", ConDevicePath, NULL);
+ }
+
+ if (HandleBuffer != NULL) {
+ FreePool(HandleBuffer);
+ HandleBuffer = NULL;
+ }
+
+ gBS->LocateHandleBuffer (
+ ByProtocol,
+ &gEfiSimpleTextOutProtocolGuid,
+ NULL,
+ &HandleCount,
+ &HandleBuffer
+ );
+ for (Index = 0; Index < HandleCount; Index++) {
+ gBS->HandleProtocol (
+ HandleBuffer[Index],
+ &gEfiDevicePathProtocolGuid,
+ (VOID **) &ConDevicePath
+ );
+ BdsLibUpdateConsoleVariable (L"ConOut", ConDevicePath, NULL);
+ BdsLibUpdateConsoleVariable (L"ErrOut", ConDevicePath, NULL);
+ }
+
+ if (HandleBuffer != NULL) {
+ FreePool(HandleBuffer);
+ }
+
+ //
+ // Connect all console variables
+ //
+ BdsLibConnectAllDefaultConsoles ();
+
+}
+
+/**
+ This function will connect console device base on the console
+ device variable ConIn, ConOut and ErrOut.
+
+ @retval EFI_SUCCESS At least one of the ConIn and ConOut device have
+ been connected success.
+ @retval EFI_STATUS Return the status of BdsLibConnectConsoleVariable ().
+
+**/
+EFI_STATUS
+EFIAPI
+BdsLibConnectAllDefaultConsoles (
+ VOID
+ )
+{
+ EFI_STATUS Status;
+
+ //
+ // Connect all default console variables
+ //
+
+ //
+ // It seems impossible not to have any ConOut device on platform,
+ // so we check the status here.
+ //
+ Status = BdsLibConnectConsoleVariable (L"ConOut");
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ //
+ // Insert the performance probe for Console Out
+ //
+ PERF_START (NULL, "ConOut", "BDS", 1);
+ PERF_END (NULL, "ConOut", "BDS", 0);
+
+ //
+ // Because possibly the platform is legacy free, in such case,
+ // ConIn devices (Serial Port and PS2 Keyboard ) does not exist,
+ // so we need not check the status.
+ //
+ BdsLibConnectConsoleVariable (L"ConIn");
+
+ //
+ // The _ModuleEntryPoint err out var is legal.
+ //
+ BdsLibConnectConsoleVariable (L"ErrOut");
+
+ return EFI_SUCCESS;
+
+}
+
+/**
+ Convert a *.BMP graphics image to a GOP blt buffer. If a NULL Blt buffer
+ is passed in a GopBlt buffer will be allocated by this routine. If a GopBlt
+ buffer is passed in it will be used if it is big enough.
+
+ @param BmpImage Pointer to BMP file
+ @param BmpImageSize Number of bytes in BmpImage
+ @param GopBlt Buffer containing GOP version of BmpImage.
+ @param GopBltSize Size of GopBlt in bytes.
+ @param PixelHeight Height of GopBlt/BmpImage in pixels
+ @param PixelWidth Width of GopBlt/BmpImage in pixels
+
+ @retval EFI_SUCCESS GopBlt and GopBltSize are returned.
+ @retval EFI_UNSUPPORTED BmpImage is not a valid *.BMP image
+ @retval EFI_BUFFER_TOO_SMALL The passed in GopBlt buffer is not big enough.
+ GopBltSize will contain the required size.
+ @retval EFI_OUT_OF_RESOURCES No enough buffer to allocate.
+
+**/
+EFI_STATUS
+ConvertBmpToGopBlt (
+ IN VOID *BmpImage,
+ IN UINTN BmpImageSize,
+ IN OUT VOID **GopBlt,
+ IN OUT UINTN *GopBltSize,
+ OUT UINTN *PixelHeight,
+ OUT UINTN *PixelWidth
+ )
+{
+ UINT8 *Image;
+ UINT8 *ImageHeader;
+ BMP_IMAGE_HEADER *BmpHeader;
+ BMP_COLOR_MAP *BmpColorMap;
+ EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BltBuffer;
+ EFI_GRAPHICS_OUTPUT_BLT_PIXEL *Blt;
+ UINTN BltBufferSize;
+ UINTN Index;
+ UINTN Height;
+ UINTN Width;
+ UINTN ImageIndex;
+ BOOLEAN IsAllocated;
+
+ BmpHeader = (BMP_IMAGE_HEADER *) BmpImage;
+
+ if (BmpHeader->CharB != 'B' || BmpHeader->CharM != 'M') {
+ return EFI_UNSUPPORTED;
+ }
+
+ //
+ // Doesn't support compress.
+ //
+ if (BmpHeader->CompressionType != 0) {
+ return EFI_UNSUPPORTED;
+ }
+
+ //
+ // Calculate Color Map offset in the image.
+ //
+ Image = BmpImage;
+ BmpColorMap = (BMP_COLOR_MAP *) (Image + sizeof (BMP_IMAGE_HEADER));
+
+ //
+ // Calculate graphics image data address in the image
+ //
+ Image = ((UINT8 *) BmpImage) + BmpHeader->ImageOffset;
+ ImageHeader = Image;
+
+ //
+ // Calculate the BltBuffer needed size.
+ //
+ BltBufferSize = BmpHeader->PixelWidth * BmpHeader->PixelHeight * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL);
+ IsAllocated = FALSE;
+ if (*GopBlt == NULL) {
+ //
+ // GopBlt is not allocated by caller.
+ //
+ *GopBltSize = BltBufferSize;
+ *GopBlt = AllocatePool (*GopBltSize);
+ IsAllocated = TRUE;
+ if (*GopBlt == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+ } else {
+ //
+ // GopBlt has been allocated by caller.
+ //
+ if (*GopBltSize < BltBufferSize) {
+ *GopBltSize = BltBufferSize;
+ return EFI_BUFFER_TOO_SMALL;
+ }
+ }
+
+ *PixelWidth = BmpHeader->PixelWidth;
+ *PixelHeight = BmpHeader->PixelHeight;
+
+ //
+ // Convert image from BMP to Blt buffer format
+ //
+ BltBuffer = *GopBlt;
+ for (Height = 0; Height < BmpHeader->PixelHeight; Height++) {
+ Blt = &BltBuffer[(BmpHeader->PixelHeight - Height - 1) * BmpHeader->PixelWidth];
+ for (Width = 0; Width < BmpHeader->PixelWidth; Width++, Image++, Blt++) {
+ switch (BmpHeader->BitPerPixel) {
+ case 1:
+ //
+ // Convert 1-bit (2 colors) BMP to 24-bit color
+ //
+ for (Index = 0; Index < 8 && Width < BmpHeader->PixelWidth; Index++) {
+ Blt->Red = BmpColorMap[((*Image) >> (7 - Index)) & 0x1].Red;
+ Blt->Green = BmpColorMap[((*Image) >> (7 - Index)) & 0x1].Green;
+ Blt->Blue = BmpColorMap[((*Image) >> (7 - Index)) & 0x1].Blue;
+ Blt++;
+ Width++;
+ }
+
+ Blt--;
+ Width--;
+ break;
+
+ case 4:
+ //
+ // Convert 4-bit (16 colors) BMP Palette to 24-bit color
+ //
+ Index = (*Image) >> 4;
+ Blt->Red = BmpColorMap[Index].Red;
+ Blt->Green = BmpColorMap[Index].Green;
+ Blt->Blue = BmpColorMap[Index].Blue;
+ if (Width < (BmpHeader->PixelWidth - 1)) {
+ Blt++;
+ Width++;
+ Index = (*Image) & 0x0f;
+ Blt->Red = BmpColorMap[Index].Red;
+ Blt->Green = BmpColorMap[Index].Green;
+ Blt->Blue = BmpColorMap[Index].Blue;
+ }
+ break;
+
+ case 8:
+ //
+ // Convert 8-bit (256 colors) BMP Palette to 24-bit color
+ //
+ Blt->Red = BmpColorMap[*Image].Red;
+ Blt->Green = BmpColorMap[*Image].Green;
+ Blt->Blue = BmpColorMap[*Image].Blue;
+ break;
+
+ case 24:
+ //
+ // It is 24-bit BMP.
+ //
+ Blt->Blue = *Image++;
+ Blt->Green = *Image++;
+ Blt->Red = *Image;
+ break;
+
+ default:
+ //
+ // Other bit format BMP is not supported.
+ //
+ if (IsAllocated) {
+ FreePool (*GopBlt);
+ *GopBlt = NULL;
+ }
+ return EFI_UNSUPPORTED;
+ break;
+ };
+
+ }
+
+ ImageIndex = (UINTN) (Image - ImageHeader);
+ if ((ImageIndex % 4) != 0) {
+ //
+ // Bmp Image starts each row on a 32-bit boundary!
+ //
+ Image = Image + (4 - (ImageIndex % 4));
+ }
+ }
+
+ return EFI_SUCCESS;
+}
+
+
+/**
+ Use Console Control Protocol to lock the Console In Spliter virtual handle.
+ This is the ConInHandle and ConIn handle in the EFI system table. All key
+ presses will be ignored until the Password is typed in. The only way to
+ disable the password is to type it in to a ConIn device.
+
+ @param Password Password used to lock ConIn device.
+
+ @retval EFI_SUCCESS lock the Console In Spliter virtual handle successfully.
+ @retval EFI_UNSUPPORTED Password not found
+
+**/
+EFI_STATUS
+EFIAPI
+LockKeyboards (
+ IN CHAR16 *Password
+ )
+{
+ EFI_STATUS Status;
+ EFI_CONSOLE_CONTROL_PROTOCOL *ConsoleControl;
+
+ Status = gBS->LocateProtocol (&gEfiConsoleControlProtocolGuid, NULL, (VOID **) &ConsoleControl);
+ if (EFI_ERROR (Status)) {
+ return EFI_UNSUPPORTED;
+ }
+
+ Status = ConsoleControl->LockStdIn (ConsoleControl, Password);
+ return Status;
+}
+
+
+/**
+ Use Console Control to turn off UGA based Simple Text Out consoles from going
+ to the UGA device. Put up LogoFile on every UGA device that is a console
+
+ @param[in] LogoFile File name of logo to display on the center of the screen.
+
+ @retval EFI_SUCCESS ConsoleControl has been flipped to graphics and logo displayed.
+ @retval EFI_UNSUPPORTED Logo not found
+
+**/
+EFI_STATUS
+EFIAPI
+EnableQuietBoot (
+ IN EFI_GUID *LogoFile
+ )
+{
+ EFI_STATUS Status;
+ EFI_CONSOLE_CONTROL_PROTOCOL *ConsoleControl;
+ EFI_OEM_BADGING_PROTOCOL *Badging;
+ UINT32 SizeOfX;
+ UINT32 SizeOfY;
+ INTN DestX;
+ INTN DestY;
+ UINT8 *ImageData;
+ UINTN ImageSize;
+ UINTN BltSize;
+ UINT32 Instance;
+ EFI_BADGING_FORMAT Format;
+ EFI_BADGING_DISPLAY_ATTRIBUTE Attribute;
+ UINTN CoordinateX;
+ UINTN CoordinateY;
+ UINTN Height;
+ UINTN Width;
+ EFI_GRAPHICS_OUTPUT_BLT_PIXEL *Blt;
+ EFI_UGA_DRAW_PROTOCOL *UgaDraw;
+ UINT32 ColorDepth;
+ UINT32 RefreshRate;
+ EFI_GRAPHICS_OUTPUT_PROTOCOL *GraphicsOutput;
+
+ Status = gBS->LocateProtocol (&gEfiConsoleControlProtocolGuid, NULL, (VOID **) &ConsoleControl);
+ if (EFI_ERROR (Status)) {
+ return EFI_UNSUPPORTED;
+ }
+
+ UgaDraw = NULL;
+ //
+ // Try to open GOP first
+ //
+ Status = gBS->HandleProtocol (gST->ConsoleOutHandle, &gEfiGraphicsOutputProtocolGuid, (VOID **) &GraphicsOutput);
+ if (EFI_ERROR (Status) && FeaturePcdGet (PcdUgaConsumeSupport)) {
+ GraphicsOutput = NULL;
+ //
+ // Open GOP failed, try to open UGA
+ //
+ Status = gBS->HandleProtocol (gST->ConsoleOutHandle, &gEfiUgaDrawProtocolGuid, (VOID **) &UgaDraw);
+ }
+ if (EFI_ERROR (Status)) {
+ return EFI_UNSUPPORTED;
+ }
+
+ Badging = NULL;
+ Status = gBS->LocateProtocol (&gEfiOEMBadgingProtocolGuid, NULL, (VOID **) &Badging);
+
+ //
+ // Set console control to graphics mode.
+ //
+ Status = ConsoleControl->SetMode (ConsoleControl, EfiConsoleControlScreenGraphics);
+ if (EFI_ERROR (Status)) {
+ return EFI_UNSUPPORTED;
+ }
+
+ if (GraphicsOutput != NULL) {
+ SizeOfX = GraphicsOutput->Mode->Info->HorizontalResolution;
+ SizeOfY = GraphicsOutput->Mode->Info->VerticalResolution;
+
+ } else if (UgaDraw != NULL && FeaturePcdGet (PcdUgaConsumeSupport)) {
+ Status = UgaDraw->GetMode (UgaDraw, &SizeOfX, &SizeOfY, &ColorDepth, &RefreshRate);
+ if (EFI_ERROR (Status)) {
+ return EFI_UNSUPPORTED;
+ }
+ } else {
+ return EFI_UNSUPPORTED;
+ }
+
+ Instance = 0;
+ while (1) {
+ ImageData = NULL;
+ ImageSize = 0;
+
+ if (Badging != NULL) {
+ //
+ // Get image from OEMBadging protocol.
+ //
+ Status = Badging->GetImage (
+ Badging,
+ &Instance,
+ &Format,
+ &ImageData,
+ &ImageSize,
+ &Attribute,
+ &CoordinateX,
+ &CoordinateY
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ //
+ // Currently only support BMP format.
+ //
+ if (Format != EfiBadgingFormatBMP) {
+ if (ImageData != NULL) {
+ FreePool (ImageData);
+ }
+ continue;
+ }
+ } else {
+ //
+ // Get the specified image from FV.
+ //
+ Status = GetSectionFromAnyFv (LogoFile, EFI_SECTION_RAW, 0, (VOID **) &ImageData, &ImageSize);
+ if (EFI_ERROR (Status)) {
+ return EFI_UNSUPPORTED;
+ }
+
+ CoordinateX = 0;
+ CoordinateY = 0;
+ Attribute = EfiBadgingDisplayAttributeCenter;
+ }
+
+ Blt = NULL;
+ Status = ConvertBmpToGopBlt (
+ ImageData,
+ ImageSize,
+ (VOID **) &Blt,
+ &BltSize,
+ &Height,
+ &Width
+ );
+ if (EFI_ERROR (Status)) {
+ FreePool (ImageData);
+
+ if (Badging == NULL) {
+ return Status;
+ } else {
+ continue;
+ }
+ }
+
+ //
+ // Calculate the display position according to Attribute.
+ //
+ switch (Attribute) {
+ case EfiBadgingDisplayAttributeLeftTop:
+ DestX = CoordinateX;
+ DestY = CoordinateY;
+ break;
+
+ case EfiBadgingDisplayAttributeCenterTop:
+ DestX = (SizeOfX - Width) / 2;
+ DestY = CoordinateY;
+ break;
+
+ case EfiBadgingDisplayAttributeRightTop:
+ DestX = (SizeOfX - Width - CoordinateX);
+ DestY = CoordinateY;;
+ break;
+
+ case EfiBadgingDisplayAttributeCenterRight:
+ DestX = (SizeOfX - Width - CoordinateX);
+ DestY = (SizeOfY - Height) / 2;
+ break;
+
+ case EfiBadgingDisplayAttributeRightBottom:
+ DestX = (SizeOfX - Width - CoordinateX);
+ DestY = (SizeOfY - Height - CoordinateY);
+ break;
+
+ case EfiBadgingDisplayAttributeCenterBottom:
+ DestX = (SizeOfX - Width) / 2;
+ DestY = (SizeOfY - Height - CoordinateY);
+ break;
+
+ case EfiBadgingDisplayAttributeLeftBottom:
+ DestX = CoordinateX;
+ DestY = (SizeOfY - Height - CoordinateY);
+ break;
+
+ case EfiBadgingDisplayAttributeCenterLeft:
+ DestX = CoordinateX;
+ DestY = (SizeOfY - Height) / 2;
+ break;
+
+ case EfiBadgingDisplayAttributeCenter:
+ DestX = (SizeOfX - Width) / 2;
+ DestY = (SizeOfY - Height) / 2;
+ break;
+
+ default:
+ DestX = CoordinateX;
+ DestY = CoordinateY;
+ break;
+ }
+
+ if ((DestX >= 0) && (DestY >= 0)) {
+ if (GraphicsOutput != NULL) {
+ Status = GraphicsOutput->Blt (
+ GraphicsOutput,
+ Blt,
+ EfiBltBufferToVideo,
+ 0,
+ 0,
+ (UINTN) DestX,
+ (UINTN) DestY,
+ Width,
+ Height,
+ Width * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL)
+ );
+ } else if (UgaDraw != NULL && FeaturePcdGet (PcdUgaConsumeSupport)) {
+ Status = UgaDraw->Blt (
+ UgaDraw,
+ (EFI_UGA_PIXEL *) Blt,
+ EfiUgaBltBufferToVideo,
+ 0,
+ 0,
+ (UINTN) DestX,
+ (UINTN) DestY,
+ Width,
+ Height,
+ Width * sizeof (EFI_UGA_PIXEL)
+ );
+ } else {
+ Status = EFI_UNSUPPORTED;
+ }
+ }
+
+ FreePool (ImageData);
+
+ if (Blt != NULL) {
+ FreePool (Blt);
+ }
+
+ if (Badging == NULL) {
+ break;
+ }
+ }
+
+ return Status;
+}
+
+/**
+ Use Console Control to turn on UGA based Simple Text Out consoles. The UGA
+ Simple Text Out screens will now be synced up with all non UGA output devices
+
+ @retval EFI_SUCCESS UGA devices are back in text mode and synced up.
+
+**/
+EFI_STATUS
+EFIAPI
+DisableQuietBoot (
+ VOID
+ )
+{
+ EFI_STATUS Status;
+ EFI_CONSOLE_CONTROL_PROTOCOL *ConsoleControl;
+
+ Status = gBS->LocateProtocol (&gEfiConsoleControlProtocolGuid, NULL, (VOID **) &ConsoleControl);
+ if (EFI_ERROR (Status)) {
+ return EFI_UNSUPPORTED;
+ }
+
+ //
+ // Set console control to text mode.
+ //
+ return ConsoleControl->SetMode (ConsoleControl, EfiConsoleControlScreenText);
+}
+
diff --git a/IntelFrameworkModulePkg/Library/GenericBdsLib/BdsMisc.c b/IntelFrameworkModulePkg/Library/GenericBdsLib/BdsMisc.c new file mode 100644 index 0000000000..acf61ebcb6 --- /dev/null +++ b/IntelFrameworkModulePkg/Library/GenericBdsLib/BdsMisc.c @@ -0,0 +1,1272 @@ +/** @file
+ Misc BDS library function
+
+Copyright (c) 2004 - 2008, Intel Corporation. <BR>
+All rights reserved. This program and the accompanying materials
+are licensed and made available under the terms and conditions of the BSD License
+which accompanies this distribution. The full text of the license may be found at
+http://opensource.org/licenses/bsd-license.php
+
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#include "InternalBdsLib.h"
+
+
+#define MAX_STRING_LEN 200
+
+BOOLEAN mFeaturerSwitch = TRUE;
+BOOLEAN mResetRequired = FALSE;
+
+extern UINT16 gPlatformBootTimeOutDefault;
+
+
+/**
+ Return the default value for system Timeout variable.
+
+ @return Timeout value.
+
+**/
+UINT16
+EFIAPI
+BdsLibGetTimeout (
+ VOID
+ )
+{
+ UINT16 Timeout;
+ UINTN Size;
+ EFI_STATUS Status;
+
+ //
+ // Return Timeout variable or 0xffff if no valid
+ // Timeout variable exists.
+ //
+ Size = sizeof (UINT16);
+ Status = gRT->GetVariable (L"Timeout", &gEfiGlobalVariableGuid, NULL, &Size, &Timeout);
+ if (EFI_ERROR (Status)) {
+ //
+ // According to UEFI 2.0 spec, it should treat the Timeout value as 0xffff
+ // (default value PcdPlatformBootTimeOutDefault) when L"Timeout" variable is not present.
+ // To make the current EFI Automatic-Test activity possible, platform can choose other value
+ // for automatic boot when the variable is not present.
+ //
+ Timeout = PcdGet16 (PcdPlatformBootTimeOutDefault);
+ }
+
+ return Timeout;
+}
+
+/**
+ The function will go through the driver option link list, load and start
+ every driver the driver option device path point to.
+
+ @param BdsDriverLists The header of the current driver option link list
+
+**/
+VOID
+EFIAPI
+BdsLibLoadDrivers (
+ IN LIST_ENTRY *BdsDriverLists
+ )
+{
+ EFI_STATUS Status;
+ LIST_ENTRY *Link;
+ BDS_COMMON_OPTION *Option;
+ EFI_HANDLE ImageHandle;
+ EFI_LOADED_IMAGE_PROTOCOL *ImageInfo;
+ UINTN ExitDataSize;
+ CHAR16 *ExitData;
+ BOOLEAN ReconnectAll;
+
+ ReconnectAll = FALSE;
+
+ //
+ // Process the driver option
+ //
+ for (Link = BdsDriverLists->ForwardLink; Link != BdsDriverLists; Link = Link->ForwardLink) {
+ Option = CR (Link, BDS_COMMON_OPTION, Link, BDS_LOAD_OPTION_SIGNATURE);
+
+ //
+ // If a load option is not marked as LOAD_OPTION_ACTIVE,
+ // the boot manager will not automatically load the option.
+ //
+ if (!IS_LOAD_OPTION_TYPE (Option->Attribute, LOAD_OPTION_ACTIVE)) {
+ continue;
+ }
+
+ //
+ // If a driver load option is marked as LOAD_OPTION_FORCE_RECONNECT,
+ // then all of the EFI drivers in the system will be disconnected and
+ // reconnected after the last driver load option is processed.
+ //
+ if (IS_LOAD_OPTION_TYPE (Option->Attribute, LOAD_OPTION_FORCE_RECONNECT)) {
+ ReconnectAll = TRUE;
+ }
+
+ //
+ // Make sure the driver path is connected.
+ //
+ BdsLibConnectDevicePath (Option->DevicePath);
+
+ //
+ // Load and start the image that Driver#### describes
+ //
+ Status = gBS->LoadImage (
+ FALSE,
+ mBdsImageHandle,
+ Option->DevicePath,
+ NULL,
+ 0,
+ &ImageHandle
+ );
+
+ if (!EFI_ERROR (Status)) {
+ gBS->HandleProtocol (ImageHandle, &gEfiLoadedImageProtocolGuid, (VOID **) &ImageInfo);
+
+ //
+ // Verify whether this image is a driver, if not,
+ // exit it and continue to parse next load option
+ //
+ if (ImageInfo->ImageCodeType != EfiBootServicesCode && ImageInfo->ImageCodeType != EfiRuntimeServicesCode) {
+ gBS->Exit (ImageHandle, EFI_INVALID_PARAMETER, 0, NULL);
+ continue;
+ }
+
+ if (Option->LoadOptionsSize != 0) {
+ ImageInfo->LoadOptionsSize = Option->LoadOptionsSize;
+ ImageInfo->LoadOptions = Option->LoadOptions;
+ }
+ //
+ // Before calling the image, enable the Watchdog Timer for
+ // the 5 Minute period
+ //
+ gBS->SetWatchdogTimer (5 * 60, 0x0000, 0x00, NULL);
+
+ Status = gBS->StartImage (ImageHandle, &ExitDataSize, &ExitData);
+ DEBUG ((DEBUG_INFO | DEBUG_LOAD, "Driver Return Status = %r\n", Status));
+
+ //
+ // Clear the Watchdog Timer after the image returns
+ //
+ gBS->SetWatchdogTimer (0x0000, 0x0000, 0x0000, NULL);
+ }
+ }
+
+ //
+ // Process the LOAD_OPTION_FORCE_RECONNECT driver option
+ //
+ if (ReconnectAll) {
+ BdsLibDisconnectAllEfi ();
+ BdsLibConnectAll ();
+ }
+
+}
+
+/**
+ Get the Option Number that does not used.
+ Try to locate the specific option variable one by one utile find a free number.
+
+ @param VariableName Indicate if the boot#### or driver#### option
+
+ @return The Minimal Free Option Number
+
+**/
+UINT16
+BdsLibGetFreeOptionNumber (
+ IN CHAR16 *VariableName
+ )
+{
+ UINTN Index;
+ CHAR16 StrTemp[10];
+ UINT16 *OptionBuffer;
+ UINTN OptionSize;
+
+ //
+ // Try to find the minimum free number from 0, 1, 2, 3....
+ //
+ Index = 0;
+ do {
+ if (*VariableName == 'B') {
+ UnicodeSPrint (StrTemp, sizeof (StrTemp), L"Boot%04x", Index);
+ } else {
+ UnicodeSPrint (StrTemp, sizeof (StrTemp), L"Driver%04x", Index);
+ }
+ //
+ // try if the option number is used
+ //
+ OptionBuffer = BdsLibGetVariableAndSize (
+ StrTemp,
+ &gEfiGlobalVariableGuid,
+ &OptionSize
+ );
+ if (OptionBuffer == NULL) {
+ break;
+ }
+ Index++;
+ } while (TRUE);
+
+ return ((UINT16) Index);
+}
+
+
+/**
+ This function will register the new boot#### or driver#### option base on
+ the VariableName. The new registered boot#### or driver#### will be linked
+ to BdsOptionList and also update to the VariableName. After the boot#### or
+ driver#### updated, the BootOrder or DriverOrder will also be updated.
+
+ @param BdsOptionList The header of the boot#### or driver#### link list
+ @param DevicePath The device path which the boot#### or driver####
+ option present
+ @param String The description of the boot#### or driver####
+ @param VariableName Indicate if the boot#### or driver#### option
+
+ @retval EFI_SUCCESS The boot#### or driver#### have been success
+ registered
+ @retval EFI_STATUS Return the status of gRT->SetVariable ().
+
+**/
+EFI_STATUS
+EFIAPI
+BdsLibRegisterNewOption (
+ IN LIST_ENTRY *BdsOptionList,
+ IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,
+ IN CHAR16 *String,
+ IN CHAR16 *VariableName
+ )
+{
+ EFI_STATUS Status;
+ UINTN Index;
+ UINT16 RegisterOptionNumber;
+ UINT16 *TempOptionPtr;
+ UINTN TempOptionSize;
+ UINT16 *OptionOrderPtr;
+ VOID *OptionPtr;
+ UINTN OptionSize;
+ UINT8 *TempPtr;
+ EFI_DEVICE_PATH_PROTOCOL *OptionDevicePath;
+ CHAR16 *Description;
+ CHAR16 OptionName[10];
+ BOOLEAN UpdateDescription;
+ UINT16 BootOrderEntry;
+ UINTN OrderItemNum;
+
+
+ OptionPtr = NULL;
+ OptionSize = 0;
+ TempPtr = NULL;
+ OptionDevicePath = NULL;
+ Description = NULL;
+ OptionOrderPtr = NULL;
+ UpdateDescription = FALSE;
+ Status = EFI_SUCCESS;
+ ZeroMem (OptionName, sizeof (OptionName));
+
+ TempOptionSize = 0;
+ TempOptionPtr = BdsLibGetVariableAndSize (
+ VariableName,
+ &gEfiGlobalVariableGuid,
+ &TempOptionSize
+ );
+ //
+ // Compare with current option variable if the previous option is set in global variable.
+ //
+ for (Index = 0; Index < TempOptionSize / sizeof (UINT16); Index++) {
+ //
+ // TempOptionPtr must not be NULL if we have non-zero TempOptionSize.
+ //
+ ASSERT (TempOptionPtr != NULL);
+
+ if (*VariableName == 'B') {
+ UnicodeSPrint (OptionName, sizeof (OptionName), L"Boot%04x", TempOptionPtr[Index]);
+ } else {
+ UnicodeSPrint (OptionName, sizeof (OptionName), L"Driver%04x", TempOptionPtr[Index]);
+ }
+
+ OptionPtr = BdsLibGetVariableAndSize (
+ OptionName,
+ &gEfiGlobalVariableGuid,
+ &OptionSize
+ );
+ if (OptionPtr == NULL) {
+ continue;
+ }
+ TempPtr = OptionPtr;
+ TempPtr += sizeof (UINT32) + sizeof (UINT16);
+ Description = (CHAR16 *) TempPtr;
+ TempPtr += StrSize ((CHAR16 *) TempPtr);
+ OptionDevicePath = (EFI_DEVICE_PATH_PROTOCOL *) TempPtr;
+
+ //
+ // Notes: the description may will change base on the GetStringToken
+ //
+ if (CompareMem (OptionDevicePath, DevicePath, GetDevicePathSize (OptionDevicePath)) == 0) {
+ if (CompareMem (Description, String, StrSize (Description)) == 0) {
+ //
+ // Got the option, so just return
+ //
+ FreePool (OptionPtr);
+ FreePool (TempOptionPtr);
+ return EFI_SUCCESS;
+ } else {
+ //
+ // Option description changed, need update.
+ //
+ UpdateDescription = TRUE;
+ FreePool (OptionPtr);
+ break;
+ }
+ }
+
+ FreePool (OptionPtr);
+ }
+
+ OptionSize = sizeof (UINT32) + sizeof (UINT16) + StrSize (String);
+ OptionSize += GetDevicePathSize (DevicePath);
+ OptionPtr = AllocateZeroPool (OptionSize);
+ ASSERT (OptionPtr != NULL);
+
+ TempPtr = OptionPtr;
+ *(UINT32 *) TempPtr = LOAD_OPTION_ACTIVE;
+ TempPtr += sizeof (UINT32);
+ *(UINT16 *) TempPtr = (UINT16) GetDevicePathSize (DevicePath);
+ TempPtr += sizeof (UINT16);
+ CopyMem (TempPtr, String, StrSize (String));
+ TempPtr += StrSize (String);
+ CopyMem (TempPtr, DevicePath, GetDevicePathSize (DevicePath));
+
+ if (UpdateDescription) {
+ //
+ // The number in option#### to be updated.
+ // In this case, we must have non-NULL TempOptionPtr.
+ //
+ ASSERT (TempOptionPtr != NULL);
+ RegisterOptionNumber = TempOptionPtr[Index];
+ } else {
+ //
+ // The new option#### number
+ //
+ RegisterOptionNumber = BdsLibGetFreeOptionNumber(VariableName);
+ }
+
+ if (*VariableName == 'B') {
+ UnicodeSPrint (OptionName, sizeof (OptionName), L"Boot%04x", RegisterOptionNumber);
+ } else {
+ UnicodeSPrint (OptionName, sizeof (OptionName), L"Driver%04x", RegisterOptionNumber);
+ }
+
+ Status = gRT->SetVariable (
+ OptionName,
+ &gEfiGlobalVariableGuid,
+ EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE,
+ OptionSize,
+ OptionPtr
+ );
+ //
+ // Return if only need to update a changed description or fail to set option.
+ //
+ if (EFI_ERROR (Status) || UpdateDescription) {
+ FreePool (OptionPtr);
+ if (TempOptionPtr != NULL) {
+ FreePool (TempOptionPtr);
+ }
+ return Status;
+ }
+
+ FreePool (OptionPtr);
+
+ //
+ // Update the option order variable
+ //
+
+ //
+ // If no option order
+ //
+ if (TempOptionSize == 0) {
+ BootOrderEntry = 0;
+ Status = gRT->SetVariable (
+ VariableName,
+ &gEfiGlobalVariableGuid,
+ EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE,
+ sizeof (UINT16),
+ &BootOrderEntry
+ );
+ if (TempOptionPtr != NULL) {
+ FreePool (TempOptionPtr);
+ }
+ return Status;
+ }
+
+ //
+ // TempOptionPtr must not be NULL if TempOptionSize is not zero.
+ //
+ ASSERT (TempOptionPtr != NULL);
+ //
+ // Append the new option number to the original option order
+ //
+ OrderItemNum = (TempOptionSize / sizeof (UINT16)) + 1 ;
+ OptionOrderPtr = AllocateZeroPool ( OrderItemNum * sizeof (UINT16));
+ ASSERT (OptionOrderPtr!= NULL);
+ CopyMem (OptionOrderPtr, TempOptionPtr, (OrderItemNum - 1) * sizeof (UINT16));
+
+ OptionOrderPtr[Index] = RegisterOptionNumber;
+
+ Status = gRT->SetVariable (
+ VariableName,
+ &gEfiGlobalVariableGuid,
+ EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE,
+ OrderItemNum * sizeof (UINT16),
+ OptionOrderPtr
+ );
+ FreePool (TempOptionPtr);
+ FreePool (OptionOrderPtr);
+
+ return Status;
+}
+
+
+/**
+ Build the boot#### or driver#### option from the VariableName, the
+ build boot#### or driver#### will also be linked to BdsCommonOptionList.
+
+ @param BdsCommonOptionList The header of the boot#### or driver#### option
+ link list
+ @param VariableName EFI Variable name indicate if it is boot#### or
+ driver####
+
+ @retval BDS_COMMON_OPTION Get the option just been created
+ @retval NULL Failed to get the new option
+
+**/
+BDS_COMMON_OPTION *
+EFIAPI
+BdsLibVariableToOption (
+ IN OUT LIST_ENTRY *BdsCommonOptionList,
+ IN CHAR16 *VariableName
+ )
+{
+ UINT32 Attribute;
+ UINT16 FilePathSize;
+ UINT8 *Variable;
+ UINT8 *TempPtr;
+ UINTN VariableSize;
+ EFI_DEVICE_PATH_PROTOCOL *DevicePath;
+ BDS_COMMON_OPTION *Option;
+ VOID *LoadOptions;
+ UINT32 LoadOptionsSize;
+ CHAR16 *Description;
+ UINT8 NumOff;
+ //
+ // Read the variable. We will never free this data.
+ //
+ Variable = BdsLibGetVariableAndSize (
+ VariableName,
+ &gEfiGlobalVariableGuid,
+ &VariableSize
+ );
+ if (Variable == NULL) {
+ return NULL;
+ }
+ //
+ // Notes: careful defined the variable of Boot#### or
+ // Driver####, consider use some macro to abstract the code
+ //
+ //
+ // Get the option attribute
+ //
+ TempPtr = Variable;
+ Attribute = *(UINT32 *) Variable;
+ TempPtr += sizeof (UINT32);
+
+ //
+ // Get the option's device path size
+ //
+ FilePathSize = *(UINT16 *) TempPtr;
+ TempPtr += sizeof (UINT16);
+
+ //
+ // Get the option's description string
+ //
+ Description = (CHAR16 *) TempPtr;
+
+ //
+ // Get the option's description string size
+ //
+ TempPtr += StrSize ((CHAR16 *) TempPtr);
+
+ //
+ // Get the option's device path
+ //
+ DevicePath = (EFI_DEVICE_PATH_PROTOCOL *) TempPtr;
+ TempPtr += FilePathSize;
+
+ LoadOptions = TempPtr;
+ LoadOptionsSize = (UINT32) (VariableSize - (UINTN) (TempPtr - Variable));
+
+ //
+ // The Console variables may have multiple device paths, so make
+ // an Entry for each one.
+ //
+ Option = AllocateZeroPool (sizeof (BDS_COMMON_OPTION));
+ if (Option == NULL) {
+ return NULL;
+ }
+
+ Option->Signature = BDS_LOAD_OPTION_SIGNATURE;
+ Option->DevicePath = AllocateZeroPool (GetDevicePathSize (DevicePath));
+ ASSERT(Option->DevicePath != NULL);
+ CopyMem (Option->DevicePath, DevicePath, GetDevicePathSize (DevicePath));
+
+ Option->Attribute = Attribute;
+ Option->Description = AllocateZeroPool (StrSize (Description));
+ ASSERT(Option->Description != NULL);
+ CopyMem (Option->Description, Description, StrSize (Description));
+
+ Option->LoadOptions = AllocateZeroPool (LoadOptionsSize);
+ ASSERT(Option->LoadOptions != NULL);
+ CopyMem (Option->LoadOptions, LoadOptions, LoadOptionsSize);
+ Option->LoadOptionsSize = LoadOptionsSize;
+
+ //
+ // Get the value from VariableName Unicode string
+ // since the ISO standard assumes ASCII equivalent abbreviations, we can be safe in converting this
+ // Unicode stream to ASCII without any loss in meaning.
+ //
+ if (*VariableName == 'B') {
+ NumOff = sizeof (L"Boot")/sizeof(CHAR16) -1 ;
+ Option->BootCurrent = (UINT16) ((VariableName[NumOff] -'0') * 0x1000);
+ Option->BootCurrent = (UINT16) (Option->BootCurrent + ((VariableName[NumOff+1]-'0') * 0x100));
+ Option->BootCurrent = (UINT16) (Option->BootCurrent + ((VariableName[NumOff+2]-'0') * 0x10));
+ Option->BootCurrent = (UINT16) (Option->BootCurrent + ((VariableName[NumOff+3]-'0')));
+ }
+ //
+ // Insert active entry to BdsDeviceList
+ //
+ if ((Option->Attribute & LOAD_OPTION_ACTIVE) == LOAD_OPTION_ACTIVE) {
+ InsertTailList (BdsCommonOptionList, &Option->Link);
+ FreePool (Variable);
+ return Option;
+ }
+
+ FreePool (Variable);
+ FreePool (Option);
+ return NULL;
+
+}
+
+/**
+ Process BootOrder, or DriverOrder variables, by calling
+ BdsLibVariableToOption () for each UINT16 in the variables.
+
+ @param BdsCommonOptionList The header of the option list base on variable
+ VariableName
+ @param VariableName EFI Variable name indicate the BootOrder or
+ DriverOrder
+
+ @retval EFI_SUCCESS Success create the boot option or driver option
+ list
+ @retval EFI_OUT_OF_RESOURCES Failed to get the boot option or driver option list
+
+**/
+EFI_STATUS
+EFIAPI
+BdsLibBuildOptionFromVar (
+ IN LIST_ENTRY *BdsCommonOptionList,
+ IN CHAR16 *VariableName
+ )
+{
+ UINT16 *OptionOrder;
+ UINTN OptionOrderSize;
+ UINTN Index;
+ BDS_COMMON_OPTION *Option;
+ CHAR16 OptionName[20];
+
+ //
+ // Zero Buffer in order to get all BOOT#### variables
+ //
+ ZeroMem (OptionName, sizeof (OptionName));
+
+ //
+ // Read the BootOrder, or DriverOrder variable.
+ //
+ OptionOrder = BdsLibGetVariableAndSize (
+ VariableName,
+ &gEfiGlobalVariableGuid,
+ &OptionOrderSize
+ );
+ if (OptionOrder == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ for (Index = 0; Index < OptionOrderSize / sizeof (UINT16); Index++) {
+ if (*VariableName == 'B') {
+ UnicodeSPrint (OptionName, sizeof (OptionName), L"Boot%04x", OptionOrder[Index]);
+ } else {
+ UnicodeSPrint (OptionName, sizeof (OptionName), L"Driver%04x", OptionOrder[Index]);
+ }
+
+ Option = BdsLibVariableToOption (BdsCommonOptionList, OptionName);
+ ASSERT (Option != NULL);
+ Option->BootCurrent = OptionOrder[Index];
+
+ }
+
+ FreePool (OptionOrder);
+
+ return EFI_SUCCESS;
+}
+
+/**
+ Get boot mode by looking up configuration table and parsing HOB list
+
+ @param BootMode Boot mode from PEI handoff HOB.
+
+ @retval EFI_SUCCESS Successfully get boot mode
+
+**/
+EFI_STATUS
+EFIAPI
+BdsLibGetBootMode (
+ OUT EFI_BOOT_MODE *BootMode
+ )
+{
+ *BootMode = GetBootModeHob ();
+
+ return EFI_SUCCESS;
+}
+
+/**
+ Read the EFI variable (VendorGuid/Name) and return a dynamically allocated
+ buffer, and the size of the buffer. If failure return NULL.
+
+ @param Name String part of EFI variable name
+ @param VendorGuid GUID part of EFI variable name
+ @param VariableSize Returns the size of the EFI variable that was read
+
+ @return Dynamically allocated memory that contains a copy of the EFI variable
+ Caller is responsible freeing the buffer.
+ @retval NULL Variable was not read
+
+**/
+VOID *
+EFIAPI
+BdsLibGetVariableAndSize (
+ IN CHAR16 *Name,
+ IN EFI_GUID *VendorGuid,
+ OUT UINTN *VariableSize
+ )
+{
+ EFI_STATUS Status;
+ UINTN BufferSize;
+ VOID *Buffer;
+
+ Buffer = NULL;
+
+ //
+ // Pass in a zero size buffer to find the required buffer size.
+ //
+ BufferSize = 0;
+ Status = gRT->GetVariable (Name, VendorGuid, NULL, &BufferSize, Buffer);
+ if (Status == EFI_BUFFER_TOO_SMALL) {
+ //
+ // Allocate the buffer to return
+ //
+ Buffer = AllocateZeroPool (BufferSize);
+ if (Buffer == NULL) {
+ return NULL;
+ }
+ //
+ // Read variable into the allocated buffer.
+ //
+ Status = gRT->GetVariable (Name, VendorGuid, NULL, &BufferSize, Buffer);
+ if (EFI_ERROR (Status)) {
+ BufferSize = 0;
+ }
+ }
+
+ *VariableSize = BufferSize;
+ return Buffer;
+}
+
+/**
+ Delete the instance in Multi which matches partly with Single instance
+
+ @param Multi A pointer to a multi-instance device path data
+ structure.
+ @param Single A pointer to a single-instance device path data
+ structure.
+
+ @return This function will remove the device path instances in Multi which partly
+ match with the Single, and return the result device path. If there is no
+ remaining device path as a result, this function will return NULL.
+
+**/
+EFI_DEVICE_PATH_PROTOCOL *
+EFIAPI
+BdsLibDelPartMatchInstance (
+ IN EFI_DEVICE_PATH_PROTOCOL *Multi,
+ IN EFI_DEVICE_PATH_PROTOCOL *Single
+ )
+{
+ EFI_DEVICE_PATH_PROTOCOL *Instance;
+ EFI_DEVICE_PATH_PROTOCOL *NewDevicePath;
+ EFI_DEVICE_PATH_PROTOCOL *TempNewDevicePath;
+ UINTN InstanceSize;
+ UINTN SingleDpSize;
+ UINTN Size;
+
+ NewDevicePath = NULL;
+ TempNewDevicePath = NULL;
+
+ if (Multi == NULL || Single == NULL) {
+ return Multi;
+ }
+
+ Instance = GetNextDevicePathInstance (&Multi, &InstanceSize);
+ SingleDpSize = GetDevicePathSize (Single) - END_DEVICE_PATH_LENGTH;
+ InstanceSize -= END_DEVICE_PATH_LENGTH;
+
+ while (Instance != NULL) {
+
+ Size = (SingleDpSize < InstanceSize) ? SingleDpSize : InstanceSize;
+
+ if ((CompareMem (Instance, Single, Size) != 0)) {
+ //
+ // Append the device path instance which does not match with Single
+ //
+ TempNewDevicePath = NewDevicePath;
+ NewDevicePath = AppendDevicePathInstance (NewDevicePath, Instance);
+ if (TempNewDevicePath != NULL) {
+ FreePool(TempNewDevicePath);
+ }
+ }
+ FreePool(Instance);
+ Instance = GetNextDevicePathInstance (&Multi, &InstanceSize);
+ InstanceSize -= END_DEVICE_PATH_LENGTH;
+ }
+
+ return NewDevicePath;
+}
+
+/**
+ Function compares a device path data structure to that of all the nodes of a
+ second device path instance.
+
+ @param Multi A pointer to a multi-instance device path data
+ structure.
+ @param Single A pointer to a single-instance device path data
+ structure.
+
+ @retval TRUE If the Single device path is contained within Multi device path.
+ @retval FALSE The Single device path is not match within Multi device path.
+
+**/
+BOOLEAN
+EFIAPI
+BdsLibMatchDevicePaths (
+ IN EFI_DEVICE_PATH_PROTOCOL *Multi,
+ IN EFI_DEVICE_PATH_PROTOCOL *Single
+ )
+{
+ EFI_DEVICE_PATH_PROTOCOL *DevicePath;
+ EFI_DEVICE_PATH_PROTOCOL *DevicePathInst;
+ UINTN Size;
+
+ if (Multi == NULL || Single == NULL) {
+ return FALSE;
+ }
+
+ DevicePath = Multi;
+ DevicePathInst = GetNextDevicePathInstance (&DevicePath, &Size);
+
+ //
+ // Search for the match of 'Single' in 'Multi'
+ //
+ while (DevicePathInst != NULL) {
+ //
+ // If the single device path is found in multiple device paths,
+ // return success
+ //
+ if (CompareMem (Single, DevicePathInst, Size) == 0) {
+ FreePool (DevicePathInst);
+ return TRUE;
+ }
+
+ FreePool (DevicePathInst);
+ DevicePathInst = GetNextDevicePathInstance (&DevicePath, &Size);
+ }
+
+ return FALSE;
+}
+
+/**
+ This function prints a series of strings.
+
+ @param ConOut Pointer to EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL
+ @param ... A variable argument list containing series of
+ strings, the last string must be NULL.
+
+ @retval EFI_SUCCESS Success print out the string using ConOut.
+ @retval EFI_STATUS Return the status of the ConOut->OutputString ().
+
+**/
+EFI_STATUS
+EFIAPI
+BdsLibOutputStrings (
+ IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *ConOut,
+ ...
+ )
+{
+ VA_LIST Args;
+ EFI_STATUS Status;
+ CHAR16 *String;
+
+ Status = EFI_SUCCESS;
+ VA_START (Args, ConOut);
+
+ while (!EFI_ERROR (Status)) {
+ //
+ // If String is NULL, then it's the end of the list
+ //
+ String = VA_ARG (Args, CHAR16 *);
+ if (String != NULL) {
+ break;
+ }
+
+ Status = ConOut->OutputString (ConOut, String);
+
+ if (EFI_ERROR (Status)) {
+ break;
+ }
+ }
+
+ VA_END(Args);
+ return Status;
+}
+
+//
+// Following are BDS Lib functions which contain all the code about setup browser reset reminder feature.
+// Setup Browser reset reminder feature is that an reset reminder will be given before user leaves the setup browser if
+// user change any option setting which needs a reset to be effective, and the reset will be applied according to the user selection.
+//
+
+
+/**
+ Enable the setup browser reset reminder feature.
+ This routine is used in platform tip. If the platform policy need the feature, use the routine to enable it.
+
+**/
+VOID
+EFIAPI
+EnableResetReminderFeature (
+ VOID
+ )
+{
+ mFeaturerSwitch = TRUE;
+}
+
+
+/**
+ Disable the setup browser reset reminder feature.
+ This routine is used in platform tip. If the platform policy do not want the feature, use the routine to disable it.
+
+**/
+VOID
+EFIAPI
+DisableResetReminderFeature (
+ VOID
+ )
+{
+ mFeaturerSwitch = FALSE;
+}
+
+
+/**
+ Record the info that a reset is required.
+ A module boolean variable is used to record whether a reset is required.
+
+**/
+VOID
+EFIAPI
+EnableResetRequired (
+ VOID
+ )
+{
+ mResetRequired = TRUE;
+}
+
+
+/**
+ Record the info that no reset is required.
+ A module boolean variable is used to record whether a reset is required.
+
+**/
+VOID
+EFIAPI
+DisableResetRequired (
+ VOID
+ )
+{
+ mResetRequired = FALSE;
+}
+
+
+/**
+ Check whether platform policy enable the reset reminder feature. The default is enabled.
+
+**/
+BOOLEAN
+EFIAPI
+IsResetReminderFeatureEnable (
+ VOID
+ )
+{
+ return mFeaturerSwitch;
+}
+
+
+/**
+ Check if user changed any option setting which needs a system reset to be effective.
+
+**/
+BOOLEAN
+EFIAPI
+IsResetRequired (
+ VOID
+ )
+{
+ return mResetRequired;
+}
+
+
+/**
+ Check whether a reset is needed, and finish the reset reminder feature.
+ If a reset is needed, Popup a menu to notice user, and finish the feature
+ according to the user selection.
+
+**/
+VOID
+EFIAPI
+SetupResetReminder (
+ VOID
+ )
+{
+ EFI_INPUT_KEY Key;
+ CHAR16 *StringBuffer1;
+ CHAR16 *StringBuffer2;
+
+
+ //
+ //check any reset required change is applied? if yes, reset system
+ //
+ if (IsResetReminderFeatureEnable ()) {
+ if (IsResetRequired ()) {
+
+ StringBuffer1 = AllocateZeroPool (MAX_STRING_LEN * sizeof (CHAR16));
+ ASSERT (StringBuffer1 != NULL);
+ StringBuffer2 = AllocateZeroPool (MAX_STRING_LEN * sizeof (CHAR16));
+ ASSERT (StringBuffer2 != NULL);
+ StrCpy (StringBuffer1, L"Configuration changed. Reset to apply it Now ? ");
+ StrCpy (StringBuffer2, L"Enter (YES) / Esc (NO)");
+ //
+ // Popup a menu to notice user
+ //
+ do {
+ IfrLibCreatePopUp (2, &Key, StringBuffer1, StringBuffer2);
+ } while ((Key.ScanCode != SCAN_ESC) && (Key.UnicodeChar != CHAR_CARRIAGE_RETURN));
+
+ FreePool (StringBuffer1);
+ FreePool (StringBuffer2);
+ //
+ // If the user hits the YES Response key, reset
+ //
+ if ((Key.UnicodeChar == CHAR_CARRIAGE_RETURN)) {
+ gRT->ResetSystem (EfiResetCold, EFI_SUCCESS, 0, NULL);
+ }
+ gST->ConOut->ClearScreen (gST->ConOut);
+ }
+ }
+}
+
+/**
+ Get the headers (dos, image, optional header) from an image
+
+ @param Device SimpleFileSystem device handle
+ @param FileName File name for the image
+ @param DosHeader Pointer to dos header
+ @param Hdr The buffer in which to return the PE32, PE32+, or TE header.
+
+ @retval EFI_SUCCESS Successfully get the machine type.
+ @retval EFI_NOT_FOUND The file is not found.
+ @retval EFI_LOAD_ERROR File is not a valid image file.
+
+**/
+EFI_STATUS
+EFIAPI
+BdsLibGetImageHeader (
+ IN EFI_HANDLE Device,
+ IN CHAR16 *FileName,
+ OUT EFI_IMAGE_DOS_HEADER *DosHeader,
+ OUT EFI_IMAGE_OPTIONAL_HEADER_PTR_UNION Hdr
+ )
+{
+ EFI_STATUS Status;
+ EFI_SIMPLE_FILE_SYSTEM_PROTOCOL *Volume;
+ EFI_FILE_HANDLE Root;
+ EFI_FILE_HANDLE ThisFile;
+ UINTN BufferSize;
+ UINT64 FileSize;
+ EFI_FILE_INFO *Info;
+
+ Root = NULL;
+ ThisFile = NULL;
+ //
+ // Handle the file system interface to the device
+ //
+ Status = gBS->HandleProtocol (
+ Device,
+ &gEfiSimpleFileSystemProtocolGuid,
+ (VOID *) &Volume
+ );
+ if (EFI_ERROR (Status)) {
+ goto Done;
+ }
+
+ Status = Volume->OpenVolume (
+ Volume,
+ &Root
+ );
+ if (EFI_ERROR (Status)) {
+ Root = NULL;
+ goto Done;
+ }
+
+ Status = Root->Open (Root, &ThisFile, FileName, EFI_FILE_MODE_READ, 0);
+ if (EFI_ERROR (Status)) {
+ goto Done;
+ }
+
+ //
+ // Get file size
+ //
+ BufferSize = SIZE_OF_EFI_FILE_INFO + 200;
+ do {
+ Info = NULL;
+ Status = gBS->AllocatePool (EfiBootServicesData, BufferSize, (VOID **) &Info);
+ if (EFI_ERROR (Status)) {
+ goto Done;
+ }
+ Status = ThisFile->GetInfo (
+ ThisFile,
+ &gEfiFileInfoGuid,
+ &BufferSize,
+ Info
+ );
+ if (!EFI_ERROR (Status)) {
+ break;
+ }
+ if (Status != EFI_BUFFER_TOO_SMALL) {
+ FreePool (Info);
+ goto Done;
+ }
+ FreePool (Info);
+ } while (TRUE);
+
+ FileSize = Info->FileSize;
+ FreePool (Info);
+
+ //
+ // Read dos header
+ //
+ BufferSize = sizeof (EFI_IMAGE_DOS_HEADER);
+ Status = ThisFile->Read (ThisFile, &BufferSize, DosHeader);
+ if (EFI_ERROR (Status) ||
+ BufferSize < sizeof (EFI_IMAGE_DOS_HEADER) ||
+ FileSize <= DosHeader->e_lfanew ||
+ DosHeader->e_magic != EFI_IMAGE_DOS_SIGNATURE) {
+ Status = EFI_LOAD_ERROR;
+ goto Done;
+ }
+
+ //
+ // Move to PE signature
+ //
+ Status = ThisFile->SetPosition (ThisFile, DosHeader->e_lfanew);
+ if (EFI_ERROR (Status)) {
+ Status = EFI_LOAD_ERROR;
+ goto Done;
+ }
+
+ //
+ // Read and check PE signature
+ //
+ BufferSize = sizeof (EFI_IMAGE_OPTIONAL_HEADER_UNION);
+ Status = ThisFile->Read (ThisFile, &BufferSize, Hdr.Pe32);
+ if (EFI_ERROR (Status) ||
+ BufferSize < sizeof (EFI_IMAGE_OPTIONAL_HEADER_UNION) ||
+ Hdr.Pe32->Signature != EFI_IMAGE_NT_SIGNATURE) {
+ Status = EFI_LOAD_ERROR;
+ goto Done;
+ }
+
+ //
+ // Check PE32 or PE32+ magic
+ //
+ if (Hdr.Pe32->OptionalHeader.Magic != EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC &&
+ Hdr.Pe32->OptionalHeader.Magic != EFI_IMAGE_NT_OPTIONAL_HDR64_MAGIC) {
+ Status = EFI_LOAD_ERROR;
+ goto Done;
+ }
+
+ Done:
+ if (ThisFile != NULL) {
+ ThisFile->Close (ThisFile);
+ }
+ if (Root != NULL) {
+ Root->Close (Root);
+ }
+ return Status;
+}
+
+/**
+
+ This routine is a notification function for legayc boot or exit boot
+ service event. It will adjust the memory information for different
+ memory type and save them into the variables for next boot.
+
+
+ @param Event The event that triggered this notification function.
+ @param Context Pointer to the notification functions context.
+
+**/
+VOID
+EFIAPI
+BdsSetMemoryTypeInformationVariable (
+ EFI_EVENT Event,
+ VOID *Context
+ )
+{
+ EFI_STATUS Status;
+ EFI_MEMORY_TYPE_INFORMATION *PreviousMemoryTypeInformation;
+ EFI_MEMORY_TYPE_INFORMATION *CurrentMemoryTypeInformation;
+ UINTN VariableSize;
+ BOOLEAN UpdateRequired;
+ UINTN Index;
+ UINTN Index1;
+ UINT32 Previous;
+ UINT32 Current;
+ UINT32 Next;
+ EFI_HOB_GUID_TYPE *GuidHob;
+
+ UpdateRequired = FALSE;
+
+ //
+ // Retrieve the current memory usage statistics. If they are not found, then
+ // no adjustments can be made to the Memory Type Information variable.
+ //
+ Status = EfiGetSystemConfigurationTable (
+ &gEfiMemoryTypeInformationGuid,
+ (VOID **) &CurrentMemoryTypeInformation
+ );
+ if (EFI_ERROR (Status) || CurrentMemoryTypeInformation == NULL) {
+ return;
+ }
+
+ //
+ // Get the Memory Type Information settings from Hob if they exist,
+ // PEI is responsible for getting them from variable and build a Hob to save them.
+ // If the previous Memory Type Information is not available, then set defaults
+ //
+ GuidHob = GetFirstGuidHob (&gEfiMemoryTypeInformationGuid);
+ if (GuidHob == NULL) {
+ //
+ // If Platform has not built Memory Type Info into the Hob, just return.
+ //
+ return;
+ }
+ PreviousMemoryTypeInformation = GET_GUID_HOB_DATA (GuidHob);
+ VariableSize = GET_GUID_HOB_DATA_SIZE (GuidHob);
+
+ //
+ // Use a heuristic to adjust the Memory Type Information for the next boot
+ //
+ for (Index = 0; PreviousMemoryTypeInformation[Index].Type != EfiMaxMemoryType; Index++) {
+
+ Current = 0;
+ for (Index1 = 0; CurrentMemoryTypeInformation[Index1].Type != EfiMaxMemoryType; Index1++) {
+ if (PreviousMemoryTypeInformation[Index].Type == CurrentMemoryTypeInformation[Index1].Type) {
+ Current = CurrentMemoryTypeInformation[Index1].NumberOfPages;
+ break;
+ }
+ }
+
+ if (CurrentMemoryTypeInformation[Index1].Type == EfiMaxMemoryType) {
+ continue;
+ }
+
+ Previous = PreviousMemoryTypeInformation[Index].NumberOfPages;
+
+ //
+ // Write next varible to 125% * current and Inconsistent Memory Reserved across bootings may lead to S4 fail
+ //
+ if (Current > Previous) {
+ Next = Current + (Current >> 2);
+ } else {
+ Next = Previous;
+ }
+ if (Next > 0 && Next < 4) {
+ Next = 4;
+ }
+
+ if (Next != Previous) {
+ PreviousMemoryTypeInformation[Index].NumberOfPages = Next;
+ UpdateRequired = TRUE;
+ }
+
+ }
+
+ //
+ // If any changes were made to the Memory Type Information settings, then set the new variable value
+ //
+ if (UpdateRequired) {
+ Status = gRT->SetVariable (
+ EFI_MEMORY_TYPE_INFORMATION_VARIABLE_NAME,
+ &gEfiMemoryTypeInformationGuid,
+ EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
+ VariableSize,
+ PreviousMemoryTypeInformation
+ );
+ }
+
+ return;
+}
+
+/**
+ This routine register a function to adjust the different type memory page number
+ just before booting and save the updated info into the variable for next boot to use.
+
+**/
+VOID
+EFIAPI
+BdsLibSaveMemoryTypeInformation (
+ VOID
+ )
+{
+ EFI_STATUS Status;
+ EFI_EVENT ReadyToBootEvent;
+
+ Status = EfiCreateEventReadyToBootEx (
+ TPL_CALLBACK,
+ BdsSetMemoryTypeInformationVariable,
+ NULL,
+ &ReadyToBootEvent
+ );
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_ERROR,"Bds Set Memory Type Informationa Variable Fails\n"));
+ }
+
+}
+
+
diff --git a/IntelFrameworkModulePkg/Library/GenericBdsLib/DevicePath.c b/IntelFrameworkModulePkg/Library/GenericBdsLib/DevicePath.c new file mode 100644 index 0000000000..135fa63d1a --- /dev/null +++ b/IntelFrameworkModulePkg/Library/GenericBdsLib/DevicePath.c @@ -0,0 +1,1485 @@ +/** @file
+ BDS internal function define the default device path string, it can be
+ replaced by platform device path.
+
+Copyright (c) 2004 - 2008, Intel Corporation. <BR>
+All rights reserved. This program and the accompanying materials
+are licensed and made available under the terms and conditions of the BSD License
+which accompanies this distribution. The full text of the license may be found at
+http://opensource.org/licenses/bsd-license.php
+
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#include "InternalBdsLib.h"
+
+/**
+ Concatenates a formatted unicode string to allocated pool.
+ The caller must free the resulting buffer.
+
+ @param Str Tracks the allocated pool, size in use, and amount of pool allocated.
+ @param fmt The format string
+ @param ... The data will be printed.
+
+ @return Allocated buffer with the formatted string printed in it.
+ The caller must free the allocated buffer.
+ The buffer allocation is not packed.
+
+**/
+CHAR16 *
+EFIAPI
+CatPrint (
+ IN OUT POOL_PRINT *Str,
+ IN CHAR16 *fmt,
+ ...
+ )
+{
+ UINT16 *AppendStr;
+ VA_LIST Args;
+ UINTN StringSize;
+
+ AppendStr = AllocateZeroPool (0x1000);
+ if (AppendStr == NULL) {
+ return Str->str;
+ }
+
+ VA_START (Args, fmt);
+ UnicodeVSPrint (AppendStr, 0x1000, fmt, Args);
+ VA_END (Args);
+ if (NULL == Str->str) {
+ StringSize = StrSize (AppendStr);
+ Str->str = AllocateZeroPool (StringSize);
+ ASSERT (Str->str != NULL);
+ } else {
+ StringSize = StrSize (AppendStr);
+ StringSize += (StrSize (Str->str) - sizeof (UINT16));
+
+ Str->str = ReallocatePool (
+ StrSize (Str->str),
+ StringSize,
+ Str->str
+ );
+ ASSERT (Str->str != NULL);
+ }
+
+ Str->maxlen = MAX_CHAR * sizeof (UINT16);
+ if (StringSize < Str->maxlen) {
+ StrCat (Str->str, AppendStr);
+ Str->len = StringSize - sizeof (UINT16);
+ }
+
+ FreePool (AppendStr);
+ return Str->str;
+}
+
+/**
+ Convert Device Path to a Unicode string for printing.
+
+ @param Str The buffer holding the output string.
+ This buffer contains the length of the
+ string and the maixmum length reserved
+ for the string buffer.
+ @param DevPath The device path.
+
+**/
+VOID
+DevPathPci (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath
+ )
+{
+ PCI_DEVICE_PATH *Pci;
+
+ Pci = DevPath;
+ CatPrint (Str, L"Pci(%x|%x)", (UINTN) Pci->Device, (UINTN) Pci->Function);
+}
+
+/**
+ Convert Device Path to a Unicode string for printing.
+
+ @param Str The buffer holding the output string.
+ This buffer contains the length of the
+ string and the maixmum length reserved
+ for the string buffer.
+ @param DevPath The device path.
+
+**/
+VOID
+DevPathPccard (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath
+ )
+{
+ PCCARD_DEVICE_PATH *Pccard;
+
+ Pccard = DevPath;
+ CatPrint (Str, L"Pcmcia(Function%x)", (UINTN) Pccard->FunctionNumber);
+}
+
+/**
+ Convert Device Path to a Unicode string for printing.
+
+ @param Str The buffer holding the output string.
+ This buffer contains the length of the
+ string and the maixmum length reserved
+ for the string buffer.
+ @param DevPath The device path.
+
+**/
+VOID
+DevPathMemMap (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath
+ )
+{
+ MEMMAP_DEVICE_PATH *MemMap;
+
+ MemMap = DevPath;
+ CatPrint (
+ Str,
+ L"MemMap(%d:%lx-%lx)",
+ MemMap->MemoryType,
+ MemMap->StartingAddress,
+ MemMap->EndingAddress
+ );
+}
+
+/**
+ Convert Device Path to a Unicode string for printing.
+
+ @param Str The buffer holding the output string.
+ This buffer contains the length of the
+ string and the maixmum length reserved
+ for the string buffer.
+ @param DevPath The device path.
+
+**/
+VOID
+DevPathController (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath
+ )
+{
+ CONTROLLER_DEVICE_PATH *Controller;
+
+ Controller = DevPath;
+ CatPrint (Str, L"Ctrl(%d)", (UINTN) Controller->ControllerNumber);
+}
+
+
+/**
+ Convert Vendor device path to device name.
+
+ @param Str The buffer store device name
+ @param DevPath Pointer to vendor device path
+
+**/
+VOID
+EFIAPI
+DevPathVendor (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath
+ )
+{
+ VENDOR_DEVICE_PATH *Vendor;
+ CHAR16 *Type;
+ UINTN DataLength;
+ UINTN Index;
+ UINT32 FlowControlMap;
+
+ UINT16 Info;
+
+ Vendor = DevPath;
+
+ switch (DevicePathType (&Vendor->Header)) {
+ case HARDWARE_DEVICE_PATH:
+ Type = L"Hw";
+ break;
+
+ case MESSAGING_DEVICE_PATH:
+ Type = L"Msg";
+ if (CompareGuid (&Vendor->Guid, &gEfiPcAnsiGuid)) {
+ CatPrint (Str, L"VenPcAnsi()");
+ return ;
+ } else if (CompareGuid (&Vendor->Guid, &gEfiVT100Guid)) {
+ CatPrint (Str, L"VenVt100()");
+ return ;
+ } else if (CompareGuid (&Vendor->Guid, &gEfiVT100PlusGuid)) {
+ CatPrint (Str, L"VenVt100Plus()");
+ return ;
+ } else if (CompareGuid (&Vendor->Guid, &gEfiVTUTF8Guid)) {
+ CatPrint (Str, L"VenUft8()");
+ return ;
+ } else if (CompareGuid (&Vendor->Guid, &gEfiUartDevicePathGuid )) {
+ FlowControlMap = (((UART_FLOW_CONTROL_DEVICE_PATH *) Vendor)->FlowControlMap);
+ switch (FlowControlMap & 0x00000003) {
+ case 0:
+ CatPrint (Str, L"UartFlowCtrl(%s)", L"None");
+ break;
+
+ case 1:
+ CatPrint (Str, L"UartFlowCtrl(%s)", L"Hardware");
+ break;
+
+ case 2:
+ CatPrint (Str, L"UartFlowCtrl(%s)", L"XonXoff");
+ break;
+
+ default:
+ break;
+ }
+
+ return ;
+
+ } else if (CompareGuid (&Vendor->Guid, &gEfiSasDevicePathGuid)) {
+ CatPrint (
+ Str,
+ L"SAS(%lx,%lx,%x,",
+ ((SAS_DEVICE_PATH *) Vendor)->SasAddress,
+ ((SAS_DEVICE_PATH *) Vendor)->Lun,
+ ((SAS_DEVICE_PATH *) Vendor)->RelativeTargetPort
+ );
+ Info = (((SAS_DEVICE_PATH *) Vendor)->DeviceTopology);
+ if ((Info & 0x0f) == 0) {
+ CatPrint (Str, L"NoTopology,0,0,0,");
+ } else if (((Info & 0x0f) == 1) || ((Info & 0x0f) == 2)) {
+ CatPrint (
+ Str,
+ L"%s,%s,%s,",
+ ((Info & (0x1 << 4)) != 0) ? L"SATA" : L"SAS",
+ ((Info & (0x1 << 5)) != 0) ? L"External" : L"Internal",
+ ((Info & (0x1 << 6)) != 0) ? L"Expanded" : L"Direct"
+ );
+ if ((Info & 0x0f) == 1) {
+ CatPrint (Str, L"0,");
+ } else {
+ CatPrint (Str, L"%x,", (UINTN) ((Info >> 8) & 0xff));
+ }
+ } else {
+ CatPrint (Str, L"0,0,0,0,");
+ }
+
+ CatPrint (Str, L"%x)", (UINTN) ((SAS_DEVICE_PATH *) Vendor)->Reserved);
+ return ;
+
+ } else if (CompareGuid (&Vendor->Guid, &gEfiDebugPortProtocolGuid)) {
+ CatPrint (Str, L"DebugPort()");
+ return ;
+ }
+ break;
+
+ case MEDIA_DEVICE_PATH:
+ Type = L"Media";
+ break;
+
+ default:
+ Type = L"?";
+ break;
+ }
+
+ CatPrint (Str, L"Ven%s(%g", Type, &Vendor->Guid);
+ DataLength = DevicePathNodeLength (&Vendor->Header) - sizeof (VENDOR_DEVICE_PATH);
+ if (DataLength > 0) {
+ CatPrint (Str, L",");
+ for (Index = 0; Index < DataLength; Index++) {
+ CatPrint (Str, L"%02x", (UINTN) ((VENDOR_DEVICE_PATH_WITH_DATA *) Vendor)->VendorDefinedData[Index]);
+ }
+ }
+ CatPrint (Str, L")");
+}
+
+/**
+ Convert Device Path to a Unicode string for printing.
+
+ @param Str The buffer holding the output string.
+ This buffer contains the length of the
+ string and the maixmum length reserved
+ for the string buffer.
+ @param DevPath The device path.
+
+**/
+VOID
+DevPathAcpi (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath
+ )
+{
+ ACPI_HID_DEVICE_PATH *Acpi;
+
+ Acpi = DevPath;
+ if ((Acpi->HID & PNP_EISA_ID_MASK) == PNP_EISA_ID_CONST) {
+ CatPrint (Str, L"Acpi(PNP%04x,%x)", (UINTN) EISA_ID_TO_NUM (Acpi->HID), (UINTN) Acpi->UID);
+ } else {
+ CatPrint (Str, L"Acpi(%08x,%x)", (UINTN) Acpi->HID, (UINTN) Acpi->UID);
+ }
+}
+
+/**
+ Convert Device Path to a Unicode string for printing.
+
+ @param Str The buffer holding the output string.
+ This buffer contains the length of the
+ string and the maixmum length reserved
+ for the string buffer.
+ @param DevPath The device path.
+
+**/
+VOID
+DevPathExtendedAcpi (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath
+ )
+{
+ ACPI_EXTENDED_HID_DEVICE_PATH *ExtendedAcpi;
+
+ //
+ // Index for HID, UID and CID strings, 0 for non-exist
+ //
+ UINT16 HIDSTRIdx;
+ UINT16 UIDSTRIdx;
+ UINT16 CIDSTRIdx;
+ UINT16 Index;
+ UINT16 Length;
+ UINT16 Anchor;
+ CHAR8 *AsChar8Array;
+
+ ASSERT (Str != NULL);
+ ASSERT (DevPath != NULL);
+
+ HIDSTRIdx = 0;
+ UIDSTRIdx = 0;
+ CIDSTRIdx = 0;
+ ExtendedAcpi = DevPath;
+ Length = (UINT16) DevicePathNodeLength ((EFI_DEVICE_PATH_PROTOCOL *) ExtendedAcpi);
+
+ ASSERT (Length >= 19);
+ AsChar8Array = (CHAR8 *) ExtendedAcpi;
+
+ //
+ // find HIDSTR
+ //
+ Anchor = 16;
+ for (Index = Anchor; Index < Length && AsChar8Array[Index] != '\0'; Index++) {
+ ;
+ }
+ if (Index > Anchor) {
+ HIDSTRIdx = Anchor;
+ }
+ //
+ // find UIDSTR
+ //
+ Anchor = (UINT16) (Index + 1);
+ for (Index = Anchor; Index < Length && AsChar8Array[Index] != '\0'; Index++) {
+ ;
+ }
+ if (Index > Anchor) {
+ UIDSTRIdx = Anchor;
+ }
+ //
+ // find CIDSTR
+ //
+ Anchor = (UINT16) (Index + 1);
+ for (Index = Anchor; Index < Length && AsChar8Array[Index] != '\0'; Index++) {
+ ;
+ }
+ if (Index > Anchor) {
+ CIDSTRIdx = Anchor;
+ }
+
+ if (HIDSTRIdx == 0 && CIDSTRIdx == 0 && ExtendedAcpi->UID == 0) {
+ CatPrint (Str, L"AcpiExp(");
+ if ((ExtendedAcpi->HID & PNP_EISA_ID_MASK) == PNP_EISA_ID_CONST) {
+ CatPrint (Str, L"PNP%04x,", (UINTN) EISA_ID_TO_NUM (ExtendedAcpi->HID));
+ } else {
+ CatPrint (Str, L"%08x,", (UINTN) ExtendedAcpi->HID);
+ }
+ if ((ExtendedAcpi->CID & PNP_EISA_ID_MASK) == PNP_EISA_ID_CONST) {
+ CatPrint (Str, L"PNP%04x,", (UINTN) EISA_ID_TO_NUM (ExtendedAcpi->CID));
+ } else {
+ CatPrint (Str, L"%08x,", (UINTN) ExtendedAcpi->CID);
+ }
+ if (UIDSTRIdx != 0) {
+ CatPrint (Str, L"%a)", AsChar8Array + UIDSTRIdx);
+ } else {
+ CatPrint (Str, L"\"\")");
+ }
+ } else {
+ CatPrint (Str, L"AcpiEx(");
+ if ((ExtendedAcpi->HID & PNP_EISA_ID_MASK) == PNP_EISA_ID_CONST) {
+ CatPrint (Str, L"PNP%04x,", (UINTN) EISA_ID_TO_NUM (ExtendedAcpi->HID));
+ } else {
+ CatPrint (Str, L"%08x,", (UINTN) ExtendedAcpi->HID);
+ }
+ if ((ExtendedAcpi->CID & PNP_EISA_ID_MASK) == PNP_EISA_ID_CONST) {
+ CatPrint (Str, L"PNP%04x,", (UINTN) EISA_ID_TO_NUM (ExtendedAcpi->CID));
+ } else {
+ CatPrint (Str, L"%08x,", (UINTN) ExtendedAcpi->CID);
+ }
+ CatPrint (Str, L"%x,", (UINTN) ExtendedAcpi->UID);
+
+ if (HIDSTRIdx != 0) {
+ CatPrint (Str, L"%a,", AsChar8Array + HIDSTRIdx);
+ } else {
+ CatPrint (Str, L"\"\",");
+ }
+ if (CIDSTRIdx != 0) {
+ CatPrint (Str, L"%a,", AsChar8Array + CIDSTRIdx);
+ } else {
+ CatPrint (Str, L"\"\",");
+ }
+ if (UIDSTRIdx != 0) {
+ CatPrint (Str, L"%a)", AsChar8Array + UIDSTRIdx);
+ } else {
+ CatPrint (Str, L"\"\")");
+ }
+ }
+
+}
+
+/**
+ Convert Device Path to a Unicode string for printing.
+
+ @param Str The buffer holding the output string.
+ This buffer contains the length of the
+ string and the maixmum length reserved
+ for the string buffer.
+ @param DevPath The device path.
+
+**/
+VOID
+DevPathAdrAcpi (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath
+ )
+{
+ ACPI_ADR_DEVICE_PATH *AcpiAdr;
+ UINT16 Index;
+ UINT16 Length;
+ UINT16 AdditionalAdrCount;
+
+ AcpiAdr = DevPath;
+ Length = (UINT16) DevicePathNodeLength ((EFI_DEVICE_PATH_PROTOCOL *) AcpiAdr);
+ AdditionalAdrCount = (UINT16) ((Length - 8) / 4);
+
+ CatPrint (Str, L"AcpiAdr(%x", (UINTN) AcpiAdr->ADR);
+ for (Index = 0; Index < AdditionalAdrCount; Index++) {
+ CatPrint (Str, L",%x", (UINTN) *(UINT32 *) ((UINT8 *) AcpiAdr + 8 + Index * 4));
+ }
+ CatPrint (Str, L")");
+}
+
+/**
+ Convert Device Path to a Unicode string for printing.
+
+ @param Str The buffer holding the output string.
+ This buffer contains the length of the
+ string and the maixmum length reserved
+ for the string buffer.
+ @param DevPath The device path.
+
+**/
+VOID
+DevPathAtapi (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath
+ )
+{
+ ATAPI_DEVICE_PATH *Atapi;
+
+ Atapi = DevPath;
+ CatPrint (
+ Str,
+ L"Ata(%s,%s)",
+ Atapi->PrimarySecondary ? L"Secondary" : L"Primary",
+ Atapi->SlaveMaster ? L"Slave" : L"Master"
+ );
+}
+
+/**
+ Convert Device Path to a Unicode string for printing.
+
+ @param Str The buffer holding the output string.
+ This buffer contains the length of the
+ string and the maixmum length reserved
+ for the string buffer.
+ @param DevPath The device path.
+
+**/
+VOID
+DevPathScsi (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath
+ )
+{
+ SCSI_DEVICE_PATH *Scsi;
+
+ Scsi = DevPath;
+ CatPrint (Str, L"Scsi(Pun%x,Lun%x)", (UINTN) Scsi->Pun, (UINTN) Scsi->Lun);
+}
+
+/**
+ Convert Device Path to a Unicode string for printing.
+
+ @param Str The buffer holding the output string.
+ This buffer contains the length of the
+ string and the maixmum length reserved
+ for the string buffer.
+ @param DevPath The device path.
+
+**/
+VOID
+DevPathFibre (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath
+ )
+{
+ FIBRECHANNEL_DEVICE_PATH *Fibre;
+
+ Fibre = DevPath;
+ CatPrint (Str, L"Fibre(Wwn%lx,Lun%x)", Fibre->WWN, Fibre->Lun);
+}
+
+/**
+ Convert Device Path to a Unicode string for printing.
+
+ @param Str The buffer holding the output string.
+ This buffer contains the length of the
+ string and the maixmum length reserved
+ for the string buffer.
+ @param DevPath The device path.
+
+**/
+VOID
+DevPath1394 (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath
+ )
+{
+ F1394_DEVICE_PATH *F1394Path;
+
+ F1394Path = DevPath;
+ CatPrint (Str, L"1394(%g)", &F1394Path->Guid);
+}
+
+/**
+ Convert Device Path to a Unicode string for printing.
+
+ @param Str The buffer holding the output string.
+ This buffer contains the length of the
+ string and the maixmum length reserved
+ for the string buffer.
+ @param DevPath The device path.
+
+**/
+VOID
+DevPathUsb (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath
+ )
+{
+ USB_DEVICE_PATH *Usb;
+
+ Usb = DevPath;
+ CatPrint (Str, L"Usb(%x,%x)", (UINTN) Usb->ParentPortNumber, (UINTN) Usb->InterfaceNumber);
+}
+
+/**
+ Convert Device Path to a Unicode string for printing.
+
+ @param Str The buffer holding the output string.
+ This buffer contains the length of the
+ string and the maixmum length reserved
+ for the string buffer.
+ @param DevPath The device path.
+
+**/
+VOID
+DevPathUsbWWID (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath
+ )
+{
+ USB_WWID_DEVICE_PATH *UsbWWId;
+
+ UsbWWId = DevPath;
+ CatPrint (
+ Str,
+ L"UsbWwid(%x,%x,%x,\"WWID\")",
+ (UINTN) UsbWWId->VendorId,
+ (UINTN) UsbWWId->ProductId,
+ (UINTN) UsbWWId->InterfaceNumber
+ );
+}
+
+/**
+ Convert Device Path to a Unicode string for printing.
+
+ @param Str The buffer holding the output string.
+ This buffer contains the length of the
+ string and the maixmum length reserved
+ for the string buffer.
+ @param DevPath The device path.
+
+**/
+VOID
+DevPathLogicalUnit (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath
+ )
+{
+ DEVICE_LOGICAL_UNIT_DEVICE_PATH *LogicalUnit;
+
+ LogicalUnit = DevPath;
+ CatPrint (Str, L"Unit(%x)", (UINTN) LogicalUnit->Lun);
+}
+
+/**
+ Convert Device Path to a Unicode string for printing.
+
+ @param Str The buffer holding the output string.
+ This buffer contains the length of the
+ string and the maixmum length reserved
+ for the string buffer.
+ @param DevPath The device path.
+
+**/
+VOID
+DevPathUsbClass (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath
+ )
+{
+ USB_CLASS_DEVICE_PATH *UsbClass;
+
+ UsbClass = DevPath;
+ CatPrint (
+ Str,
+ L"Usb Class(%x,%x,%x,%x,%x)",
+ (UINTN) UsbClass->VendorId,
+ (UINTN) UsbClass->ProductId,
+ (UINTN) UsbClass->DeviceClass,
+ (UINTN) UsbClass->DeviceSubClass,
+ (UINTN) UsbClass->DeviceProtocol
+ );
+}
+
+/**
+ Convert Device Path to a Unicode string for printing.
+
+ @param Str The buffer holding the output string.
+ This buffer contains the length of the
+ string and the maixmum length reserved
+ for the string buffer.
+ @param DevPath The device path.
+
+**/
+VOID
+DevPathSata (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath
+ )
+{
+ SATA_DEVICE_PATH *Sata;
+
+ Sata = DevPath;
+ CatPrint (
+ Str,
+ L"Sata(%x,%x,%x)",
+ (UINTN) Sata->HBAPortNumber,
+ (UINTN) Sata->PortMultiplierPortNumber,
+ (UINTN) Sata->Lun
+ );
+}
+
+/**
+ Convert Device Path to a Unicode string for printing.
+
+ @param Str The buffer holding the output string.
+ This buffer contains the length of the
+ string and the maixmum length reserved
+ for the string buffer.
+ @param DevPath The device path.
+
+**/
+VOID
+DevPathI2O (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath
+ )
+{
+ I2O_DEVICE_PATH *I2OPath;
+
+ I2OPath = DevPath;
+ CatPrint (Str, L"I2O(%x)", (UINTN) I2OPath->Tid);
+}
+
+/**
+ Convert Device Path to a Unicode string for printing.
+
+ @param Str The buffer holding the output string.
+ This buffer contains the length of the
+ string and the maixmum length reserved
+ for the string buffer.
+ @param DevPath The device path.
+
+**/
+VOID
+DevPathMacAddr (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath
+ )
+{
+ MAC_ADDR_DEVICE_PATH *MACDevPath;
+ UINTN HwAddressSize;
+ UINTN Index;
+
+ MACDevPath = DevPath;
+
+ HwAddressSize = sizeof (EFI_MAC_ADDRESS);
+ if (MACDevPath->IfType == 0x01 || MACDevPath->IfType == 0x00) {
+ HwAddressSize = 6;
+ }
+
+ CatPrint (Str, L"Mac(");
+
+ for (Index = 0; Index < HwAddressSize; Index++) {
+ CatPrint (Str, L"%02x", (UINTN) MACDevPath->MacAddress.Addr[Index]);
+ }
+
+ CatPrint (Str, L")");
+}
+
+/**
+ Convert Device Path to a Unicode string for printing.
+
+ @param Str The buffer holding the output string.
+ This buffer contains the length of the
+ string and the maixmum length reserved
+ for the string buffer.
+ @param DevPath The device path.
+
+**/
+VOID
+DevPathIPv4 (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath
+ )
+{
+ IPv4_DEVICE_PATH *IPDevPath;
+
+ IPDevPath = DevPath;
+ CatPrint (
+ Str,
+ L"IPv4(%d.%d.%d.%d:%d)",
+ (UINTN) IPDevPath->RemoteIpAddress.Addr[0],
+ (UINTN) IPDevPath->RemoteIpAddress.Addr[1],
+ (UINTN) IPDevPath->RemoteIpAddress.Addr[2],
+ (UINTN) IPDevPath->RemoteIpAddress.Addr[3],
+ (UINTN) IPDevPath->RemotePort
+ );
+}
+
+/**
+ Convert Device Path to a Unicode string for printing.
+
+ @param Str The buffer holding the output string.
+ This buffer contains the length of the
+ string and the maixmum length reserved
+ for the string buffer.
+ @param DevPath The device path.
+
+**/
+VOID
+DevPathIPv6 (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath
+ )
+{
+ IPv6_DEVICE_PATH *IPv6DevPath;
+
+ IPv6DevPath = DevPath;
+ CatPrint (
+ Str,
+ L"IPv6(%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x)",
+ (UINTN) IPv6DevPath->RemoteIpAddress.Addr[0],
+ (UINTN) IPv6DevPath->RemoteIpAddress.Addr[1],
+ (UINTN) IPv6DevPath->RemoteIpAddress.Addr[2],
+ (UINTN) IPv6DevPath->RemoteIpAddress.Addr[3],
+ (UINTN) IPv6DevPath->RemoteIpAddress.Addr[4],
+ (UINTN) IPv6DevPath->RemoteIpAddress.Addr[5],
+ (UINTN) IPv6DevPath->RemoteIpAddress.Addr[6],
+ (UINTN) IPv6DevPath->RemoteIpAddress.Addr[7],
+ (UINTN) IPv6DevPath->RemoteIpAddress.Addr[8],
+ (UINTN) IPv6DevPath->RemoteIpAddress.Addr[9],
+ (UINTN) IPv6DevPath->RemoteIpAddress.Addr[10],
+ (UINTN) IPv6DevPath->RemoteIpAddress.Addr[11],
+ (UINTN) IPv6DevPath->RemoteIpAddress.Addr[12],
+ (UINTN) IPv6DevPath->RemoteIpAddress.Addr[13],
+ (UINTN) IPv6DevPath->RemoteIpAddress.Addr[14],
+ (UINTN) IPv6DevPath->RemoteIpAddress.Addr[15]
+ );
+}
+
+/**
+ Convert Device Path to a Unicode string for printing.
+
+ @param Str The buffer holding the output string.
+ This buffer contains the length of the
+ string and the maixmum length reserved
+ for the string buffer.
+ @param DevPath The device path.
+
+**/
+VOID
+DevPathInfiniBand (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath
+ )
+{
+ INFINIBAND_DEVICE_PATH *InfiniBand;
+
+ InfiniBand = DevPath;
+ CatPrint (
+ Str,
+ L"Infiniband(%x,%g,%lx,%lx,%lx)",
+ (UINTN) InfiniBand->ResourceFlags,
+ InfiniBand->PortGid,
+ InfiniBand->ServiceId,
+ InfiniBand->TargetPortId,
+ InfiniBand->DeviceId
+ );
+}
+
+/**
+ Convert Device Path to a Unicode string for printing.
+
+ @param Str The buffer holding the output string.
+ This buffer contains the length of the
+ string and the maixmum length reserved
+ for the string buffer.
+ @param DevPath The device path.
+
+**/
+VOID
+DevPathUart (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath
+ )
+{
+ UART_DEVICE_PATH *Uart;
+ CHAR8 Parity;
+
+ Uart = DevPath;
+ switch (Uart->Parity) {
+ case 0:
+ Parity = 'D';
+ break;
+
+ case 1:
+ Parity = 'N';
+ break;
+
+ case 2:
+ Parity = 'E';
+ break;
+
+ case 3:
+ Parity = 'O';
+ break;
+
+ case 4:
+ Parity = 'M';
+ break;
+
+ case 5:
+ Parity = 'S';
+ break;
+
+ default:
+ Parity = 'x';
+ break;
+ }
+
+ if (Uart->BaudRate == 0) {
+ CatPrint (Str, L"Uart(DEFAULT,%c,", Parity);
+ } else {
+ CatPrint (Str, L"Uart(%d,%c,", Uart->BaudRate, Parity);
+ }
+
+ if (Uart->DataBits == 0) {
+ CatPrint (Str, L"D,");
+ } else {
+ CatPrint (Str, L"%d,", (UINTN) Uart->DataBits);
+ }
+
+ switch (Uart->StopBits) {
+ case 0:
+ CatPrint (Str, L"D)");
+ break;
+
+ case 1:
+ CatPrint (Str, L"1)");
+ break;
+
+ case 2:
+ CatPrint (Str, L"1.5)");
+ break;
+
+ case 3:
+ CatPrint (Str, L"2)");
+ break;
+
+ default:
+ CatPrint (Str, L"x)");
+ break;
+ }
+}
+
+/**
+ Convert Device Path to a Unicode string for printing.
+
+ @param Str The buffer holding the output string.
+ This buffer contains the length of the
+ string and the maixmum length reserved
+ for the string buffer.
+ @param DevPath The device path.
+
+**/
+VOID
+DevPathiSCSI (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath
+ )
+{
+ ISCSI_DEVICE_PATH_WITH_NAME *IScsi;
+ UINT16 Options;
+
+ ASSERT (Str != NULL);
+ ASSERT (DevPath != NULL);
+
+ IScsi = DevPath;
+ CatPrint (
+ Str,
+ L"iSCSI(%s,%x,%lx,",
+ IScsi->iSCSITargetName,
+ IScsi->TargetPortalGroupTag,
+ IScsi->Lun
+ );
+
+ Options = IScsi->LoginOption;
+ CatPrint (Str, L"%s,", (((Options >> 1) & 0x0001) != 0) ? L"CRC32C" : L"None");
+ CatPrint (Str, L"%s,", (((Options >> 3) & 0x0001) != 0) ? L"CRC32C" : L"None");
+ if (((Options >> 11) & 0x0001) != 0) {
+ CatPrint (Str, L"%s,", L"None");
+ } else if (((Options >> 12) & 0x0001) != 0) {
+ CatPrint (Str, L"%s,", L"CHAP_UNI");
+ } else {
+ CatPrint (Str, L"%s,", L"CHAP_BI");
+
+ }
+
+ CatPrint (Str, L"%s)", (IScsi->NetworkProtocol == 0) ? L"TCP" : L"reserved");
+}
+
+/**
+ Convert Device Path to a Unicode string for printing.
+
+ @param Str The buffer holding the output string.
+ This buffer contains the length of the
+ string and the maixmum length reserved
+ for the string buffer.
+ @param DevPath The device path.
+
+**/
+VOID
+DevPathHardDrive (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath
+ )
+{
+ HARDDRIVE_DEVICE_PATH *Hd;
+
+ Hd = DevPath;
+ switch (Hd->SignatureType) {
+ case SIGNATURE_TYPE_MBR:
+ CatPrint (
+ Str,
+ L"HD(Part%d,Sig%08x)",
+ (UINTN) Hd->PartitionNumber,
+ (UINTN) *((UINT32 *) (&(Hd->Signature[0])))
+ );
+ break;
+
+ case SIGNATURE_TYPE_GUID:
+ CatPrint (
+ Str,
+ L"HD(Part%d,Sig%g)",
+ (UINTN) Hd->PartitionNumber,
+ (EFI_GUID *) &(Hd->Signature[0])
+ );
+ break;
+
+ default:
+ CatPrint (
+ Str,
+ L"HD(Part%d,MBRType=%02x,SigType=%02x)",
+ (UINTN) Hd->PartitionNumber,
+ (UINTN) Hd->MBRType,
+ (UINTN) Hd->SignatureType
+ );
+ break;
+ }
+}
+
+/**
+ Convert Device Path to a Unicode string for printing.
+
+ @param Str The buffer holding the output string.
+ This buffer contains the length of the
+ string and the maixmum length reserved
+ for the string buffer.
+ @param DevPath The device path.
+
+**/
+VOID
+DevPathCDROM (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath
+ )
+{
+ CDROM_DEVICE_PATH *Cd;
+
+ Cd = DevPath;
+ CatPrint (Str, L"CDROM(Entry%x)", (UINTN) Cd->BootEntry);
+}
+
+/**
+ Convert Device Path to a Unicode string for printing.
+
+ @param Str The buffer holding the output string.
+ This buffer contains the length of the
+ string and the maixmum length reserved
+ for the string buffer.
+ @param DevPath The device path.
+
+**/
+VOID
+DevPathFilePath (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath
+ )
+{
+ FILEPATH_DEVICE_PATH *Fp;
+
+ Fp = DevPath;
+ CatPrint (Str, L"%s", Fp->PathName);
+}
+
+/**
+ Convert Device Path to a Unicode string for printing.
+
+ @param Str The buffer holding the output string.
+ This buffer contains the length of the
+ string and the maixmum length reserved
+ for the string buffer.
+ @param DevPath The device path.
+
+**/
+VOID
+DevPathMediaProtocol (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath
+ )
+{
+ MEDIA_PROTOCOL_DEVICE_PATH *MediaProt;
+
+ MediaProt = DevPath;
+ CatPrint (Str, L"Media(%g)", &MediaProt->Protocol);
+}
+
+/**
+ Convert Device Path to a Unicode string for printing.
+
+ @param Str The buffer holding the output string.
+ This buffer contains the length of the
+ string and the maixmum length reserved
+ for the string buffer.
+ @param DevPath The device path.
+
+**/
+VOID
+DevPathFvFilePath (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath
+ )
+{
+ MEDIA_FW_VOL_FILEPATH_DEVICE_PATH *FvFilePath;
+
+ FvFilePath = DevPath;
+ CatPrint (Str, L"%g", &FvFilePath->FvFileName);
+}
+
+/**
+ Convert Device Path to a Unicode string for printing.
+
+ @param Str The buffer holding the output string.
+ This buffer contains the length of the
+ string and the maixmum length reserved
+ for the string buffer.
+ @param DevPath The device path.
+
+**/
+VOID
+DevPathBssBss (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath
+ )
+{
+ BBS_BBS_DEVICE_PATH *Bbs;
+ CHAR16 *Type;
+
+ Bbs = DevPath;
+ switch (Bbs->DeviceType) {
+ case BBS_TYPE_FLOPPY:
+ Type = L"Floppy";
+ break;
+
+ case BBS_TYPE_HARDDRIVE:
+ Type = L"Harddrive";
+ break;
+
+ case BBS_TYPE_CDROM:
+ Type = L"CDROM";
+ break;
+
+ case BBS_TYPE_PCMCIA:
+ Type = L"PCMCIA";
+ break;
+
+ case BBS_TYPE_USB:
+ Type = L"Usb";
+ break;
+
+ case BBS_TYPE_EMBEDDED_NETWORK:
+ Type = L"Net";
+ break;
+
+ case BBS_TYPE_BEV:
+ Type = L"BEV";
+ break;
+
+ default:
+ Type = L"?";
+ break;
+ }
+ CatPrint (Str, L"Legacy-%s", Type);
+}
+
+/**
+ Convert Device Path to a Unicode string for printing.
+
+ @param Str The buffer holding the output string.
+ This buffer contains the length of the
+ string and the maixmum length reserved
+ for the string buffer.
+ @param DevPath The device path.
+
+**/
+VOID
+DevPathEndInstance (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath
+ )
+{
+ CatPrint (Str, L",");
+}
+
+/**
+ Convert Device Path to a Unicode string for printing.
+
+ @param Str The buffer holding the output string.
+ This buffer contains the length of the
+ string and the maixmum length reserved
+ for the string buffer.
+ @param DevPath The device path.
+
+**/
+VOID
+DevPathNodeUnknown (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath
+ )
+{
+ CatPrint (Str, L"?");
+}
+
+DEVICE_PATH_STRING_TABLE DevPathTable[] = {
+ {
+ HARDWARE_DEVICE_PATH,
+ HW_PCI_DP,
+ DevPathPci
+ },
+ {
+ HARDWARE_DEVICE_PATH,
+ HW_PCCARD_DP,
+ DevPathPccard
+ },
+ {
+ HARDWARE_DEVICE_PATH,
+ HW_MEMMAP_DP,
+ DevPathMemMap
+ },
+ {
+ HARDWARE_DEVICE_PATH,
+ HW_VENDOR_DP,
+ DevPathVendor
+ },
+ {
+ HARDWARE_DEVICE_PATH,
+ HW_CONTROLLER_DP,
+ DevPathController
+ },
+ {
+ ACPI_DEVICE_PATH,
+ ACPI_DP,
+ DevPathAcpi
+ },
+ {
+ ACPI_DEVICE_PATH,
+ ACPI_EXTENDED_DP,
+ DevPathExtendedAcpi
+ },
+ {
+ ACPI_DEVICE_PATH,
+ ACPI_ADR_DP,
+ DevPathAdrAcpi
+ },
+ {
+ MESSAGING_DEVICE_PATH,
+ MSG_ATAPI_DP,
+ DevPathAtapi
+ },
+ {
+ MESSAGING_DEVICE_PATH,
+ MSG_SCSI_DP,
+ DevPathScsi
+ },
+ {
+ MESSAGING_DEVICE_PATH,
+ MSG_FIBRECHANNEL_DP,
+ DevPathFibre
+ },
+ {
+ MESSAGING_DEVICE_PATH,
+ MSG_1394_DP,
+ DevPath1394
+ },
+ {
+ MESSAGING_DEVICE_PATH,
+ MSG_USB_DP,
+ DevPathUsb
+ },
+ {
+ MESSAGING_DEVICE_PATH,
+ MSG_USB_WWID_DP,
+ DevPathUsbWWID
+ },
+ {
+ MESSAGING_DEVICE_PATH,
+ MSG_DEVICE_LOGICAL_UNIT_DP,
+ DevPathLogicalUnit
+ },
+ {
+ MESSAGING_DEVICE_PATH,
+ MSG_USB_CLASS_DP,
+ DevPathUsbClass
+ },
+ {
+ MESSAGING_DEVICE_PATH,
+ MSG_SATA_DP,
+ DevPathSata
+ },
+ {
+ MESSAGING_DEVICE_PATH,
+ MSG_I2O_DP,
+ DevPathI2O
+ },
+ {
+ MESSAGING_DEVICE_PATH,
+ MSG_MAC_ADDR_DP,
+ DevPathMacAddr
+ },
+ {
+ MESSAGING_DEVICE_PATH,
+ MSG_IPv4_DP,
+ DevPathIPv4
+ },
+ {
+ MESSAGING_DEVICE_PATH,
+ MSG_IPv6_DP,
+ DevPathIPv6
+ },
+ {
+ MESSAGING_DEVICE_PATH,
+ MSG_INFINIBAND_DP,
+ DevPathInfiniBand
+ },
+ {
+ MESSAGING_DEVICE_PATH,
+ MSG_UART_DP,
+ DevPathUart
+ },
+ {
+ MESSAGING_DEVICE_PATH,
+ MSG_VENDOR_DP,
+ DevPathVendor
+ },
+ {
+ MESSAGING_DEVICE_PATH,
+ MSG_ISCSI_DP,
+ DevPathiSCSI
+ },
+ {
+ MEDIA_DEVICE_PATH,
+ MEDIA_HARDDRIVE_DP,
+ DevPathHardDrive
+ },
+ {
+ MEDIA_DEVICE_PATH,
+ MEDIA_CDROM_DP,
+ DevPathCDROM
+ },
+ {
+ MEDIA_DEVICE_PATH,
+ MEDIA_VENDOR_DP,
+ DevPathVendor
+ },
+ {
+ MEDIA_DEVICE_PATH,
+ MEDIA_FILEPATH_DP,
+ DevPathFilePath
+ },
+ {
+ MEDIA_DEVICE_PATH,
+ MEDIA_PROTOCOL_DP,
+ DevPathMediaProtocol
+ },
+ {
+ MEDIA_DEVICE_PATH,
+ MEDIA_PIWG_FW_FILE_DP,
+ DevPathFvFilePath
+ },
+ {
+ BBS_DEVICE_PATH,
+ BBS_BBS_DP,
+ DevPathBssBss
+ },
+ {
+ END_DEVICE_PATH_TYPE,
+ END_INSTANCE_DEVICE_PATH_SUBTYPE,
+ DevPathEndInstance
+ },
+ {
+ 0,
+ 0,
+ NULL
+ }
+};
+
+
+/**
+ This function converts an input device structure to a Unicode string.
+
+ @param DevPath A pointer to the device path structure.
+
+ @return A new allocated Unicode string that represents the device path.
+
+**/
+CHAR16 *
+EFIAPI
+DevicePathToStr (
+ IN EFI_DEVICE_PATH_PROTOCOL *DevPath
+ )
+{
+ POOL_PRINT Str;
+ EFI_DEVICE_PATH_PROTOCOL *DevPathNode;
+ VOID (*DumpNode) (POOL_PRINT *, VOID *);
+
+ UINTN Index;
+ UINTN NewSize;
+
+ EFI_STATUS Status;
+ CHAR16 *ToText;
+ EFI_DEVICE_PATH_TO_TEXT_PROTOCOL *DevPathToText;
+
+ ZeroMem (&Str, sizeof (Str));
+
+ if (DevPath == NULL) {
+ goto Done;
+ }
+
+ Status = gBS->LocateProtocol (
+ &gEfiDevicePathToTextProtocolGuid,
+ NULL,
+ (VOID **) &DevPathToText
+ );
+ if (!EFI_ERROR (Status)) {
+ ToText = DevPathToText->ConvertDevicePathToText (
+ DevPath,
+ FALSE,
+ TRUE
+ );
+ ASSERT (ToText != NULL);
+ return ToText;
+ }
+
+ //
+ // Process each device path node
+ //
+ DevPathNode = DevPath;
+ while (!IsDevicePathEnd (DevPathNode)) {
+ //
+ // Find the handler to dump this device path node
+ //
+ DumpNode = NULL;
+ for (Index = 0; DevPathTable[Index].Function; Index += 1) {
+
+ if (DevicePathType (DevPathNode) == DevPathTable[Index].Type &&
+ DevicePathSubType (DevPathNode) == DevPathTable[Index].SubType
+ ) {
+ DumpNode = DevPathTable[Index].Function;
+ break;
+ }
+ }
+ //
+ // If not found, use a generic function
+ //
+ if (!DumpNode) {
+ DumpNode = DevPathNodeUnknown;
+ }
+ //
+ // Put a path seperator in if needed
+ //
+ if (Str.len && DumpNode != DevPathEndInstance) {
+ CatPrint (&Str, L"/");
+ }
+ //
+ // Print this node of the device path
+ //
+ DumpNode (&Str, DevPathNode);
+
+ //
+ // Next device path node
+ //
+ DevPathNode = NextDevicePathNode (DevPathNode);
+ }
+
+Done:
+ NewSize = (Str.len + 1) * sizeof (CHAR16);
+ Str.str = ReallocatePool (NewSize, NewSize, Str.str);
+ ASSERT (Str.str != NULL);
+ Str.str[Str.len] = 0;
+ return Str.str;
+}
diff --git a/IntelFrameworkModulePkg/Library/GenericBdsLib/GenericBdsLib.inf b/IntelFrameworkModulePkg/Library/GenericBdsLib/GenericBdsLib.inf new file mode 100644 index 0000000000..fdce5f3d85 --- /dev/null +++ b/IntelFrameworkModulePkg/Library/GenericBdsLib/GenericBdsLib.inf @@ -0,0 +1,114 @@ +#/** @file
+#
+# General BDS defines and produce general interfaces for platform BDS driver including:
+# 1) BDS boot policy interface;
+# 2) BDS boot device connect interface;
+# 3) BDS Misc interfaces for mainting boot variable, ouput string, etc.
+#
+# Copyright (c) 2007 - 2008, Intel Corporation. <BR>
+# All rights reserved. This program and the accompanying materials
+# are licensed and made available under the terms and conditions of the BSD License
+# which accompanies this distribution. The full text of the license may be found at
+# http://opensource.org/licenses/bsd-license.php
+#
+# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+#
+#**/
+
+[Defines]
+ INF_VERSION = 0x00010005
+ BASE_NAME = GenericBdsLib
+ FILE_GUID = e405ec31-ccaa-4dd4-83e8-0aec01703f7e
+ MODULE_TYPE = DXE_DRIVER
+ VERSION_STRING = 1.0
+ LIBRARY_CLASS = GenericBdsLib|DXE_DRIVER UEFI_APPLICATION
+
+#
+# The following information is for reference only and not required by the build tools.
+#
+# VALID_ARCHITECTURES = IA32 X64 IPF EBC
+#
+
+[Sources.common]
+ DevicePath.c
+ Performance.c
+ BdsConnect.c
+ BdsMisc.c
+ BdsConsole.c
+ BdsBoot.c
+ InternalBdsLib.h
+
+[Sources.IPF]
+ Ipf/ShadowRom.c
+
+[Packages]
+ MdePkg/MdePkg.dec
+ MdeModulePkg/MdeModulePkg.dec
+ #
+ #This dependency is because of gEfiLegacyBiosProtocolGuid. It may be removed if a Library class is created to
+ #abstract away definition in Framework specification or PI spec incorporates the Legacy Booting Protocols.
+ #
+ IntelFrameworkPkg/IntelFrameworkPkg.dec
+
+
+[LibraryClasses]
+ DevicePathLib
+ PeCoffGetEntryPointLib
+ BaseLib
+ HobLib
+ UefiRuntimeServicesTableLib
+ DxeServicesTableLib
+ MemoryAllocationLib
+ UefiLib
+ UefiBootServicesTableLib
+ BaseMemoryLib
+ DebugLib
+ PrintLib
+ PcdLib
+ PerformanceLib
+ TimerLib
+ PcdLib
+ DxeServicesLib
+
+[Guids]
+ gEfiVT100PlusGuid # ALWAYS_CONSUMED
+ gEfiMemoryTypeInformationGuid # ALWAYS_CONSUMED
+ gEfiVTUTF8Guid # ALWAYS_CONSUMED
+ gEfiShellFileGuid # ALWAYS_CONSUMED
+ gEfiGlobalVariableGuid # ALWAYS_CONSUMED
+ gEfiVT100Guid # ALWAYS_CONSUMED
+ gEfiFileInfoGuid # ALWAYS_CONSUMED
+ gEfiPcAnsiGuid # ALWAYS_CONSUMED
+ gEfiGenericPlatformVariableGuid # ALWAYS_CONSUMED
+ gEfiUartDevicePathGuid # ALWAYS_CONSUMED
+ gEfiSasDevicePathGuid # ALWAYS_CONSUMED
+
+[Protocols]
+ gEfiSimpleFileSystemProtocolGuid # PROTOCOL ALWAYS_CONSUMED
+ gEfiSimpleTextOutProtocolGuid # PROTOCOL ALWAYS_CONSUMED
+ gEfiPciIoProtocolGuid # PROTOCOL ALWAYS_CONSUMED
+ gEfiLoadedImageProtocolGuid # PROTOCOL ALWAYS_CONSUMED
+ gEfiDevicePathToTextProtocolGuid # PROTOCOL ALWAYS_CONSUMED
+ gEfiSimpleNetworkProtocolGuid # PROTOCOL ALWAYS_CONSUMED
+ gEfiDebugPortProtocolGuid # PROTOCOL ALWAYS_CONSUMED
+ gEfiSimpleTextInProtocolGuid # PROTOCOL ALWAYS_CONSUMED
+ gEfiBlockIoProtocolGuid # PROTOCOL ALWAYS_CONSUMED
+ gEfiFirmwareVolume2ProtocolGuid # PROTOCOL ALWAYS_CONSUMED
+ gEfiLegacyBiosProtocolGuid # PROTOCOL ALWAYS_CONSUMED
+ gEfiCpuArchProtocolGuid # PROTOCOL ALWAYS_CONSUMED
+ gEfiDevicePathProtocolGuid # PROTOCOL ALWAYS_CONSUMED
+ gEfiFirmwareVolumeDispatchProtocolGuid # PROTOCOL ALWAYS_CONSUMED
+ gEfiAcpiS3SaveProtocolGuid
+ gEfiGraphicsOutputProtocolGuid # PROTOCOL ALWAYS_CONSUMED
+ gEfiUgaDrawProtocolGuid # PROTOCOL ALWAYS_CONSUMED
+ gEfiConsoleControlProtocolGuid # PROTOCOL ALWAYS_CONSUMED
+ gEfiOEMBadgingProtocolGuid # PROTOCOL ALWAYS_CONSUMED
+ gEfiHiiFontProtocolGuid # PROTOCOL ALWAYS_CONSUMED
+
+[FeaturePcd.common]
+ gEfiMdePkgTokenSpaceGuid.PcdUgaConsumeSupport
+
+[Pcd]
+ gEfiMdeModulePkgTokenSpaceGuid.PcdPlatformBootTimeOutDefault
+ gEfiMdeModulePkgTokenSpaceGuid.PcdDefaultBootFileName
\ No newline at end of file diff --git a/IntelFrameworkModulePkg/Library/GenericBdsLib/InternalBdsLib.h b/IntelFrameworkModulePkg/Library/GenericBdsLib/InternalBdsLib.h new file mode 100644 index 0000000000..cb11b6e02d --- /dev/null +++ b/IntelFrameworkModulePkg/Library/GenericBdsLib/InternalBdsLib.h @@ -0,0 +1,106 @@ +/** @file
+ BDS library definition, include the file and data structure
+
+Copyright (c) 2004 - 2008, Intel Corporation. <BR>
+All rights reserved. This program and the accompanying materials
+are licensed and made available under the terms and conditions of the BSD License
+which accompanies this distribution. The full text of the license may be found at
+http://opensource.org/licenses/bsd-license.php
+
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#ifndef _INTERNAL_BDS_LIB_H_
+#define _INTERNAL_BDS_LIB_H_
+
+#include <PiDxe.h>
+
+#include <IndustryStandard/Pci22.h>
+
+#include <Protocol/BlockIo.h>
+#include <Protocol/LoadedImage.h>
+#include <Protocol/Cpu.h>
+#include <Protocol/SimpleFileSystem.h>
+#include <Protocol/DebugPort.h>
+#include <Protocol/DevicePath.h>
+#include <Protocol/SimpleTextIn.h>
+#include <Protocol/LegacyBios.h>
+#include <Protocol/SimpleTextOut.h>
+#include <Protocol/SimpleNetwork.h>
+#include <Protocol/DevicePathToText.h>
+#include <Protocol/FirmwareVolume2.h>
+#include <Protocol/PciIo.h>
+#include <Protocol/AcpiS3Save.h>
+#include <Protocol/Performance.h>
+#include <Protocol/FirmwareVolumeDispatch.h>
+#include <Protocol/OEMBadging.h>
+#include <Protocol/ConsoleControl.h>
+#include <Protocol/GraphicsOutput.h>
+#include <Protocol/UgaDraw.h>
+#include <Protocol/HiiFont.h>
+#include <Protocol/HiiImage.h>
+
+
+#include <Guid/MemoryTypeInformation.h>
+#include <Guid/FileInfo.h>
+#include <Guid/GlobalVariable.h>
+#include <Guid/PcAnsi.h>
+#include <Guid/ShellFile.h>
+#include <Guid/GenericPlatformVariable.h>
+#include <Guid/Bmp.h>
+
+#include <Library/PrintLib.h>
+#include <Library/DebugLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/UefiLib.h>
+#include <Library/MemoryAllocationLib.h>
+#include <Library/DxeServicesTableLib.h>
+#include <Library/UefiRuntimeServicesTableLib.h>
+#include <Library/HobLib.h>
+#include <Library/BaseLib.h>
+#include <Library/DevicePathLib.h>
+#include <Library/PerformanceLib.h>
+#include <Library/PcdLib.h>
+#include <Library/IfrSupportLib.h>
+#include <Library/PeCoffGetEntryPointLib.h>
+#include <Library/GenericBdsLib.h>
+#include <Library/TimerLib.h>
+#include <Library/PcdLib.h>
+#include <Library/DxeServicesLib.h>
+
+#define PERFORMANCE_SIGNATURE SIGNATURE_32 ('P', 'e', 'r', 'f')
+#define PERF_TOKEN_SIZE 28
+#define PERF_TOKEN_LENGTH (PERF_TOKEN_SIZE - 1)
+#define PERF_PEI_ENTRY_MAX_NUM 50
+
+typedef struct {
+ CHAR8 Token[PERF_TOKEN_SIZE];
+ UINT32 Duration;
+} PERF_DATA;
+
+typedef struct {
+ UINT64 BootToOs;
+ UINT64 S3Resume;
+ UINT32 S3EntryNum;
+ PERF_DATA S3Entry[PERF_PEI_ENTRY_MAX_NUM];
+ UINT64 CpuFreq;
+ UINT64 BDSRaw;
+ UINT32 Count;
+ UINT32 Signiture;
+} PERF_HEADER;
+
+/**
+
+ Allocates a block of memory and writes performance data of booting into it.
+ OS can processing these record.
+
+**/
+VOID
+WriteBootToOsPerformanceData (
+ VOID
+ );
+
+#endif // _BDS_LIB_H_
diff --git a/IntelFrameworkModulePkg/Library/GenericBdsLib/Ipf/ShadowRom.c b/IntelFrameworkModulePkg/Library/GenericBdsLib/Ipf/ShadowRom.c new file mode 100644 index 0000000000..10e8f55c55 --- /dev/null +++ b/IntelFrameworkModulePkg/Library/GenericBdsLib/Ipf/ShadowRom.c @@ -0,0 +1,46 @@ +/** @file
+ Shadow all option rom
+
+Copyright (c) 2004 - 2008, Intel Corporation. <BR>
+All rights reserved. This program and the accompanying materials
+are licensed and made available under the terms and conditions of the BSD License
+which accompanies this distribution. The full text of the license may be found at
+http://opensource.org/licenses/bsd-license.php
+
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#include "InternalBdsLib.h"
+
+UINT8 mShadowRomFlag = 0;
+
+/**
+ Shadow all opton ROM if the it is not done.
+**/
+VOID
+ShadowAllOptionRom(
+ VOID
+ )
+{
+ EFI_STATUS Status;
+ EFI_LEGACY_BIOS_PROTOCOL *LegacyBios;
+ //
+ // Rom shadow only do once.
+ //
+ if (mShadowRomFlag == 0) {
+ Status = gBS->LocateProtocol (
+ &gEfiLegacyBiosProtocolGuid,
+ NULL,
+ (VOID **) &LegacyBios
+ );
+ if (!EFI_ERROR (Status)) {
+ LegacyBios->PrepareToBootEfi (LegacyBios, NULL, NULL);
+ }
+
+ mShadowRomFlag = 1;
+ }
+
+ return ;
+}
diff --git a/IntelFrameworkModulePkg/Library/GenericBdsLib/Performance.c b/IntelFrameworkModulePkg/Library/GenericBdsLib/Performance.c new file mode 100644 index 0000000000..0e3f7936cd --- /dev/null +++ b/IntelFrameworkModulePkg/Library/GenericBdsLib/Performance.c @@ -0,0 +1,316 @@ +/** @file
+ This file include the file which can help to get the system
+ performance, all the function will only include if the performance
+ switch is set.
+
+Copyright (c) 2004 - 2008, Intel Corporation. <BR>
+All rights reserved. This program and the accompanying materials
+are licensed and made available under the terms and conditions of the BSD License
+which accompanies this distribution. The full text of the license may be found at
+http://opensource.org/licenses/bsd-license.php
+
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#include "InternalBdsLib.h"
+
+PERF_HEADER mPerfHeader;
+PERF_DATA mPerfData;
+
+/**
+ Get the short verion of PDB file name to be
+ used in performance data logging.
+
+ @param PdbFileName The long PDB file name.
+ @param GaugeString The output string to be logged by performance logger.
+
+**/
+VOID
+GetShortPdbFileName (
+ IN CONST CHAR8 *PdbFileName,
+ OUT CHAR8 *GaugeString
+ )
+{
+ UINTN Index;
+ UINTN Index1;
+ UINTN StartIndex;
+ UINTN EndIndex;
+
+ if (PdbFileName == NULL) {
+ AsciiStrCpy (GaugeString, " ");
+ } else {
+ StartIndex = 0;
+ for (EndIndex = 0; PdbFileName[EndIndex] != 0; EndIndex++)
+ ;
+
+ for (Index = 0; PdbFileName[Index] != 0; Index++) {
+ if (PdbFileName[Index] == '\\') {
+ StartIndex = Index + 1;
+ }
+
+ if (PdbFileName[Index] == '.') {
+ EndIndex = Index;
+ }
+ }
+
+ Index1 = 0;
+ for (Index = StartIndex; Index < EndIndex; Index++) {
+ GaugeString[Index1] = PdbFileName[Index];
+ Index1++;
+ if (Index1 == PERF_TOKEN_LENGTH - 1) {
+ break;
+ }
+ }
+
+ GaugeString[Index1] = 0;
+ }
+
+ return ;
+}
+
+/**
+ Get the name from the Driver handle, which can be a handle with
+ EFI_LOADED_IMAGE_PROTOCOL or EFI_DRIVER_BINDING_PROTOCOL installed.
+ This name can be used in performance data logging.
+
+ @param Handle Driver handle.
+ @param GaugeString The output string to be logged by performance logger.
+
+**/
+VOID
+GetNameFromHandle (
+ IN EFI_HANDLE Handle,
+ OUT CHAR8 *GaugeString
+ )
+{
+ EFI_STATUS Status;
+ EFI_LOADED_IMAGE_PROTOCOL *Image;
+ CHAR8 *PdbFileName;
+ EFI_DRIVER_BINDING_PROTOCOL *DriverBinding;
+
+ AsciiStrCpy (GaugeString, " ");
+
+ //
+ // Get handle name from image protocol
+ //
+ Status = gBS->HandleProtocol (
+ Handle,
+ &gEfiLoadedImageProtocolGuid,
+ (VOID **) &Image
+ );
+
+ if (EFI_ERROR (Status)) {
+ Status = gBS->OpenProtocol (
+ Handle,
+ &gEfiDriverBindingProtocolGuid,
+ (VOID **) &DriverBinding,
+ NULL,
+ NULL,
+ EFI_OPEN_PROTOCOL_GET_PROTOCOL
+ );
+ if (EFI_ERROR (Status)) {
+ return ;
+ }
+ //
+ // Get handle name from image protocol
+ //
+ Status = gBS->HandleProtocol (
+ DriverBinding->ImageHandle,
+ &gEfiLoadedImageProtocolGuid,
+ (VOID **) &Image
+ );
+ }
+
+ PdbFileName = PeCoffLoaderGetPdbPointer (Image->ImageBase);
+
+ if (PdbFileName != NULL) {
+ GetShortPdbFileName (PdbFileName, GaugeString);
+ }
+
+ return ;
+}
+
+/**
+
+ Allocates a block of memory and writes performance data of booting into it.
+ OS can processing these record.
+
+**/
+VOID
+WriteBootToOsPerformanceData (
+ VOID
+ )
+{
+ EFI_STATUS Status;
+ EFI_PHYSICAL_ADDRESS AcpiLowMemoryBase;
+ UINT32 AcpiLowMemoryLength;
+ UINT32 LimitCount;
+ EFI_HANDLE *Handles;
+ UINTN NoHandles;
+ CHAR8 GaugeString[PERF_TOKEN_LENGTH];
+ UINT8 *Ptr;
+ UINT32 Index;
+ UINT64 Ticker;
+ UINT64 Freq;
+ UINT32 Duration;
+ UINTN LogEntryKey;
+ CONST VOID *Handle;
+ CONST CHAR8 *Token;
+ CONST CHAR8 *Module;
+ UINT64 StartTicker;
+ UINT64 EndTicker;
+ UINT64 StartValue;
+ UINT64 EndValue;
+ BOOLEAN CountUp;
+
+ //
+ // Retrive time stamp count as early as possilbe
+ //
+ Ticker = GetPerformanceCounter ();
+
+ Freq = GetPerformanceCounterProperties (&StartValue, &EndValue);
+
+ Freq = DivU64x32 (Freq, 1000);
+
+ mPerfHeader.CpuFreq = Freq;
+
+ //
+ // Record BDS raw performance data
+ //
+ if (EndValue >= StartValue) {
+ mPerfHeader.BDSRaw = Ticker - StartValue;
+ CountUp = TRUE;
+ } else {
+ mPerfHeader.BDSRaw = StartValue - Ticker;
+ CountUp = FALSE;
+ }
+
+ AcpiLowMemoryLength = 0x2000;
+
+ //
+ // Allocate a block of memory that contain performance data to OS
+ //
+ Status = gBS->AllocatePages (
+ AllocateAnyPages,
+ EfiACPIReclaimMemory,
+ EFI_SIZE_TO_PAGES (AcpiLowMemoryLength),
+ &AcpiLowMemoryBase
+ );
+ if (EFI_ERROR (Status)) {
+ return ;
+ }
+
+
+ Ptr = (UINT8 *) ((UINT32) AcpiLowMemoryBase + sizeof (PERF_HEADER));
+ LimitCount = (AcpiLowMemoryLength - sizeof (PERF_HEADER)) / sizeof (PERF_DATA);
+
+ //
+ // Put Detailed performance data into memory
+ //
+ Handles = NULL;
+ Status = gBS->LocateHandleBuffer (
+ AllHandles,
+ NULL,
+ NULL,
+ &NoHandles,
+ &Handles
+ );
+ if (EFI_ERROR (Status)) {
+ gBS->FreePages (AcpiLowMemoryBase, 1);
+ return ;
+ }
+
+ //
+ // Get DXE drivers performance
+ //
+ for (Index = 0; Index < NoHandles; Index++) {
+ Ticker = 0;
+ LogEntryKey = 0;
+ while ((LogEntryKey = GetPerformanceMeasurement (
+ LogEntryKey,
+ &Handle,
+ &Token,
+ &Module,
+ &StartTicker,
+ &EndTicker)) != 0) {
+ if ((Handle == Handles[Index]) && (EndTicker != 0)) {
+ Ticker += CountUp ? (EndTicker - StartTicker) : (StartTicker - EndTicker);
+ }
+ }
+
+ Duration = (UINT32) DivU64x32 (Ticker, (UINT32) Freq);
+
+ if (Duration > 0) {
+
+ GetNameFromHandle (Handles[Index], GaugeString);
+
+ AsciiStrCpy (mPerfData.Token, GaugeString);
+ mPerfData.Duration = Duration;
+
+ CopyMem (Ptr, &mPerfData, sizeof (PERF_DATA));
+ Ptr += sizeof (PERF_DATA);
+
+ mPerfHeader.Count++;
+ if (mPerfHeader.Count == LimitCount) {
+ goto Done;
+ }
+ }
+ }
+
+ FreePool (Handles);
+
+ //
+ // Get inserted performance data
+ //
+ LogEntryKey = 0;
+ while ((LogEntryKey = GetPerformanceMeasurement (
+ LogEntryKey,
+ &Handle,
+ &Token,
+ &Module,
+ &StartTicker,
+ &EndTicker)) != 0) {
+ if (Handle == NULL && EndTicker != 0) {
+
+ ZeroMem (&mPerfData, sizeof (PERF_DATA));
+
+ AsciiStrnCpy (mPerfData.Token, Token, PERF_TOKEN_LENGTH);
+ Ticker = CountUp ? (EndTicker - StartTicker) : (StartTicker - EndTicker);
+
+ mPerfData.Duration = (UINT32) DivU64x32 (Ticker, (UINT32) Freq);
+
+ CopyMem (Ptr, &mPerfData, sizeof (PERF_DATA));
+ Ptr += sizeof (PERF_DATA);
+
+ mPerfHeader.Count++;
+ if (mPerfHeader.Count == LimitCount) {
+ goto Done;
+ }
+ }
+ }
+
+Done:
+
+ mPerfHeader.Signiture = PERFORMANCE_SIGNATURE;
+
+ //
+ // Put performance data to ACPI memory
+ //
+ CopyMem (
+ (UINTN *) (UINTN) AcpiLowMemoryBase,
+ &mPerfHeader,
+ sizeof (PERF_HEADER)
+ );
+
+ gRT->SetVariable (
+ L"PerfDataMemAddr",
+ &gEfiGenericPlatformVariableGuid,
+ EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
+ sizeof (EFI_PHYSICAL_ADDRESS),
+ &AcpiLowMemoryBase
+ );
+
+ return ;
+}
|