diff options
| author | tgingold <tgingold@6f19259b-4bc3-4df7-8a09-765794883524> | 2007-02-12 23:39:38 +0000 |
|---|---|---|
| committer | tgingold <tgingold@6f19259b-4bc3-4df7-8a09-765794883524> | 2007-02-12 23:39:38 +0000 |
| commit | 8033e9314810ae2e7544bd35fa30451f0a8b7d16 (patch) | |
| tree | 257aba484c1394ee5a03a538865ed3b44d388f27 | |
| parent | 15f83a8852a33624902bf4476a20ac9e5f3adae5 (diff) | |
| download | edk2-platforms-8033e9314810ae2e7544bd35fa30451f0a8b7d16.tar.xz | |
EdkGenericBdsLib added
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2367 6f19259b-4bc3-4df7-8a09-765794883524
| -rw-r--r-- | EdkModulePkg/Include/Library/EdkGenericBdsLib.h | 400 | ||||
| -rw-r--r-- | EdkModulePkg/Library/EdkGenericBdsLib/BdsBoot.c | 1097 | ||||
| -rw-r--r-- | EdkModulePkg/Library/EdkGenericBdsLib/BdsConnect.c | 357 | ||||
| -rw-r--r-- | EdkModulePkg/Library/EdkGenericBdsLib/BdsConsole.c | 387 | ||||
| -rw-r--r-- | EdkModulePkg/Library/EdkGenericBdsLib/BdsMisc.c | 1120 | ||||
| -rw-r--r-- | EdkModulePkg/Library/EdkGenericBdsLib/DevicePath.c | 1040 | ||||
| -rw-r--r-- | EdkModulePkg/Library/EdkGenericBdsLib/EdkGenericBdsLib.msa | 113 | ||||
| -rw-r--r-- | EdkModulePkg/Library/EdkGenericBdsLib/Ipf/ShadowRom.c | 48 | ||||
| -rw-r--r-- | EdkModulePkg/Library/EdkGenericBdsLib/Performance.c | 399 | ||||
| -rw-r--r-- | EdkModulePkg/Library/EdkGenericBdsLib/Performance.h | 55 |
10 files changed, 5016 insertions, 0 deletions
diff --git a/EdkModulePkg/Include/Library/EdkGenericBdsLib.h b/EdkModulePkg/Include/Library/EdkGenericBdsLib.h new file mode 100644 index 0000000000..7ec0222620 --- /dev/null +++ b/EdkModulePkg/Include/Library/EdkGenericBdsLib.h @@ -0,0 +1,400 @@ +/*++
+
+Copyright (c) 2006, Intel Corporation
+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.
+
+Module Name:
+
+ BdsLib.h
+
+Abstract:
+
+ BDS library definition, include the file and data structure
+
+--*/
+
+#ifndef _BDS_LIB_H_
+#define _BDS_LIB_H_
+
+extern EFI_HANDLE mBdsImageHandle;
+
+//
+// Constants which are variable names used to access variables
+//
+#define VarLegacyDevOrder L"LegacyDevOrder"
+
+//
+// Data structures and defines
+//
+#define FRONT_PAGE_QUESTION_ID 0x0000
+#define FRONT_PAGE_DATA_WIDTH 0x01
+
+//
+// ConnectType
+//
+#define CONSOLE_OUT 0x00000001
+#define STD_ERROR 0x00000002
+#define CONSOLE_IN 0x00000004
+#define CONSOLE_ALL (CONSOLE_OUT | CONSOLE_IN | STD_ERROR)
+
+//
+// Load Option Attributes defined in EFI Specification
+//
+#define LOAD_OPTION_ACTIVE 0x00000001
+#define LOAD_OPTION_FORCE_RECONNECT 0x00000002
+#define IS_LOAD_OPTION_TYPE(_c, _Mask) (BOOLEAN) (((_c) & (_Mask)) != 0)
+
+//
+// Define Maxmim characters that will be accepted
+//
+#define MAX_CHAR 480
+#define MAX_CHAR_SIZE (MAX_CHAR * 2)
+
+#define MIN_ALIGNMENT_SIZE 4
+#define ALIGN_SIZE(a) ((a % MIN_ALIGNMENT_SIZE) ? MIN_ALIGNMENT_SIZE - (a % MIN_ALIGNMENT_SIZE) : 0)
+
+//
+// Define maximum characters for boot option variable "BootXXXX"
+//
+#define BOOT_OPTION_MAX_CHAR 10
+
+//
+// This data structure is the part of BDS_CONNECT_ENTRY that we can hard code.
+//
+#define BDS_LOAD_OPTION_SIGNATURE EFI_SIGNATURE_32 ('B', 'd', 'C', 'O')
+
+typedef struct {
+
+ UINTN Signature;
+ LIST_ENTRY Link;
+
+ EFI_DEVICE_PATH_PROTOCOL *DevicePath;
+
+ CHAR16 *OptionName;
+ UINTN OptionNumber;
+ UINT16 BootCurrent;
+ UINT32 Attribute;
+ CHAR16 *Description;
+ VOID *LoadOptions;
+ UINT32 LoadOptionsSize;
+
+} BDS_COMMON_OPTION;
+
+typedef struct {
+ EFI_DEVICE_PATH_PROTOCOL *DevicePath;
+ UINTN ConnectType;
+} BDS_CONSOLE_CONNECT_ENTRY;
+
+//
+// Lib Functions
+//
+
+//
+// Bds boot relate lib functions
+//
+EFI_STATUS
+BdsLibUpdateBootOrderList (
+ IN LIST_ENTRY *BdsOptionList,
+ IN CHAR16 *VariableName
+ );
+
+VOID
+BdsLibBootNext (
+ VOID
+ );
+
+EFI_STATUS
+BdsLibBootViaBootOption (
+ IN BDS_COMMON_OPTION * Option,
+ IN EFI_DEVICE_PATH_PROTOCOL * DevicePath,
+ OUT UINTN *ExitDataSize,
+ OUT CHAR16 **ExitData OPTIONAL
+ );
+
+EFI_STATUS
+BdsLibEnumerateAllBootOption (
+ IN OUT LIST_ENTRY *BdsBootOptionList
+ );
+
+VOID
+BdsLibBuildOptionFromHandle (
+ IN EFI_HANDLE Handle,
+ IN LIST_ENTRY *BdsBootOptionList
+ );
+
+VOID
+BdsLibBuildOptionFromShell (
+ IN EFI_HANDLE Handle,
+ IN LIST_ENTRY *BdsBootOptionList
+ );
+
+//
+// Bds misc lib functions
+//
+UINT16
+BdsLibGetTimeout (
+ VOID
+ );
+
+EFI_STATUS
+BdsLibGetBootMode (
+ OUT EFI_BOOT_MODE *BootMode
+ );
+
+VOID
+BdsLibLoadDrivers (
+ IN LIST_ENTRY *BdsDriverLists
+ );
+
+EFI_STATUS
+BdsLibBuildOptionFromVar (
+ IN LIST_ENTRY *BdsCommonOptionList,
+ IN CHAR16 *VariableName
+ );
+
+VOID *
+BdsLibGetVariableAndSize (
+ IN CHAR16 *Name,
+ IN EFI_GUID *VendorGuid,
+ OUT UINTN *VariableSize
+ );
+
+EFI_STATUS
+BdsLibOutputStrings (
+ IN EFI_SIMPLE_TEXT_OUT_PROTOCOL *ConOut,
+ ...
+ );
+
+BDS_COMMON_OPTION *
+BdsLibVariableToOption (
+ IN OUT LIST_ENTRY *BdsCommonOptionList,
+ IN CHAR16 *VariableName
+ );
+
+EFI_STATUS
+BdsLibRegisterNewOption (
+ IN LIST_ENTRY *BdsOptionList,
+ IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,
+ IN CHAR16 *String,
+ IN CHAR16 *VariableName
+ );
+
+//
+// Bds connect or disconnect driver lib funcion
+//
+VOID
+BdsLibConnectAllDriversToAllControllers (
+ VOID
+ );
+
+VOID
+BdsLibConnectAll (
+ VOID
+ );
+
+EFI_STATUS
+BdsLibConnectDevicePath (
+ IN EFI_DEVICE_PATH_PROTOCOL *DevicePathToConnect
+ );
+
+EFI_STATUS
+BdsLibConnectAllEfi (
+ VOID
+ );
+
+EFI_STATUS
+BdsLibDisconnectAllEfi (
+ VOID
+ );
+
+//
+// Bds console relate lib functions
+//
+VOID
+BdsLibConnectAllConsoles (
+ VOID
+ );
+
+EFI_STATUS
+BdsLibConnectAllDefaultConsoles (
+ VOID
+ );
+
+EFI_STATUS
+BdsLibUpdateConsoleVariable (
+ IN CHAR16 *ConVarName,
+ IN EFI_DEVICE_PATH_PROTOCOL *CustomizedConDevicePath,
+ IN EFI_DEVICE_PATH_PROTOCOL *ExclusiveDevicePath
+ );
+
+EFI_STATUS
+BdsLibConnectConsoleVariable (
+ IN CHAR16 *ConVarName
+ );
+
+//
+// Bds device path relate lib functions
+//
+EFI_DEVICE_PATH_PROTOCOL *
+BdsLibUnpackDevicePath (
+ IN EFI_DEVICE_PATH_PROTOCOL *DevPath
+ );
+
+VOID
+BdsLibSafeFreePool (
+ IN VOID *Buffer
+ );
+
+EFI_DEVICE_PATH_PROTOCOL *
+BdsLibDelPartMatchInstance (
+ IN EFI_DEVICE_PATH_PROTOCOL *Multi,
+ IN EFI_DEVICE_PATH_PROTOCOL *Single
+ );
+
+BOOLEAN
+BdsLibMatchDevicePaths (
+ IN EFI_DEVICE_PATH_PROTOCOL *Multi,
+ IN EFI_DEVICE_PATH_PROTOCOL *Single
+ );
+
+CHAR16 *
+DevicePathToStr (
+ EFI_DEVICE_PATH_PROTOCOL *DevPath
+ );
+
+VOID *
+EfiLibGetVariable (
+ IN CHAR16 *Name,
+ IN EFI_GUID *VendorGuid
+ );
+
+//
+// Internal definitions
+//
+typedef struct {
+ CHAR16 *str;
+ UINTN len;
+ UINTN maxlen;
+} POOL_PRINT;
+
+typedef struct {
+ UINT8 Type;
+ UINT8 SubType;
+ VOID (*Function) (POOL_PRINT *, VOID *);
+} DEVICE_PATH_STRING_TABLE;
+
+//
+// Internal functions
+//
+EFI_STATUS
+BdsBootByDiskSignatureAndPartition (
+ IN BDS_COMMON_OPTION * Option,
+ IN HARDDRIVE_DEVICE_PATH * HardDriveDevicePath,
+ IN UINT32 LoadOptionsSize,
+ IN VOID *LoadOptions,
+ OUT UINTN *ExitDataSize,
+ OUT CHAR16 **ExitData OPTIONAL
+ );
+
+//
+// Notes: EFI 64 shadow all option rom
+//
+#ifdef EFI64
+#define EFI64_SHADOW_ALL_LEGACY_ROM() ShadowAllOptionRom ();
+VOID
+ShadowAllOptionRom();
+#else
+#define EFI64_SHADOW_ALL_LEGACY_ROM()
+#endif
+
+//
+// BBS support macros and functions
+//
+#ifdef EFI32
+#define REFRESH_LEGACY_BOOT_OPTIONS \
+ BdsDeleteAllInvalidLegacyBootOptions ();\
+ BdsAddNonExistingLegacyBootOptions (); \
+ BdsUpdateLegacyDevOrder ()
+#else
+#define REFRESH_LEGACY_BOOT_OPTIONS
+#endif
+
+EFI_STATUS
+BdsDeleteAllInvalidLegacyBootOptions (
+ VOID
+ );
+
+EFI_STATUS
+BdsAddNonExistingLegacyBootOptions (
+ VOID
+ );
+
+EFI_STATUS
+BdsUpdateLegacyDevOrder (
+ VOID
+ );
+
+EFI_STATUS
+BdsRefreshBbsTableForBoot (
+ IN BDS_COMMON_OPTION *Entry
+ );
+
+EFI_STATUS
+BdsDeleteBootOption (
+ IN UINTN OptionNumber,
+ IN OUT UINT16 *BootOrder,
+ IN OUT UINTN *BootOrderSize
+ );
+
+//
+//The interface functions relate with Setup Browser Reset Reminder feature
+//
+VOID
+EnableResetReminderFeature (
+ VOID
+ );
+
+VOID
+DisableResetReminderFeature (
+ VOID
+ );
+
+VOID
+EnableResetRequired (
+ VOID
+ );
+
+VOID
+DisableResetRequired (
+ VOID
+ );
+
+BOOLEAN
+IsResetReminderFeatureEnable (
+ VOID
+ );
+
+BOOLEAN
+IsResetRequired (
+ VOID
+ );
+
+VOID
+SetupResetReminder (
+ VOID
+ );
+
+EFI_STATUS
+BdsLibGetHiiHandles (
+ IN EFI_HII_PROTOCOL *Hii,
+ IN OUT UINT16 *HandleBufferLength,
+ OUT EFI_HII_HANDLE **HiiHandles
+ );
+
+#endif // _BDS_LIB_H_
diff --git a/EdkModulePkg/Library/EdkGenericBdsLib/BdsBoot.c b/EdkModulePkg/Library/EdkGenericBdsLib/BdsBoot.c new file mode 100644 index 0000000000..755c042706 --- /dev/null +++ b/EdkModulePkg/Library/EdkGenericBdsLib/BdsBoot.c @@ -0,0 +1,1097 @@ +/*++
+
+Copyright (c) 2006, Intel Corporation
+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.
+
+Module Name:
+
+ BdsBoot.c
+
+Abstract:
+
+ BDS Lib functions which relate with create or process the boot
+ option.
+
+--*/
+#include "Performance.h"
+
+BOOLEAN mEnumBootDevice = FALSE;
+
+EFI_STATUS
+BdsLibDoLegacyBoot (
+ IN BDS_COMMON_OPTION *Option
+ )
+/*++
+
+Routine Description:
+
+ Boot the legacy system with the boot option
+
+Arguments:
+
+ Option - The legacy boot option which have BBS device path
+
+Returns:
+
+ EFI_UNSUPPORTED - There is no legacybios protocol, do not support
+ legacy boot.
+
+ EFI_STATUS - Return the status of LegacyBios->LegacyBoot ().
+
+--*/
+{
+ 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 seperate 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 ((EFI_D_INFO | EFI_D_LOAD, "Legacy Boot: %S\n", Option->Description));
+ return LegacyBios->LegacyBoot (
+ LegacyBios,
+ (BBS_BBS_DEVICE_PATH *) Option->DevicePath,
+ Option->LoadOptionsSize,
+ Option->LoadOptions
+ );
+}
+
+EFI_STATUS
+BdsLibBootViaBootOption (
+ IN BDS_COMMON_OPTION * Option,
+ IN EFI_DEVICE_PATH_PROTOCOL * DevicePath,
+ OUT UINTN *ExitDataSize,
+ OUT CHAR16 **ExitData OPTIONAL
+ )
+/*++
+
+Routine Description:
+
+ Process the boot option follow the EFI 1.1 specification and
+ special treat the legacy boot option with BBS_DEVICE_PATH.
+
+Arguments:
+
+ Option - The boot option need to be processed
+
+ DevicePath - The device path which describe where to load
+ the boot image or the legcy BBS device path
+ to boot the legacy OS
+
+ ExitDataSize - Returned directly from gBS->StartImage ()
+
+ ExitData - Returned directly from gBS->StartImage ()
+
+Returns:
+
+ EFI_SUCCESS - Status from gBS->StartImage (),
+ or BdsBootByDiskSignatureAndPartition ()
+
+ EFI_NOT_FOUND - If the Device Path is not found in the system
+
+--*/
+{
+ EFI_STATUS Status;
+ EFI_HANDLE Handle;
+ EFI_HANDLE ImageHandle;
+ EFI_DEVICE_PATH_PROTOCOL *TempDevicePath;
+ EFI_DEVICE_PATH_PROTOCOL *FilePath;
+ EFI_LOADED_IMAGE_PROTOCOL *ImageInfo;
+ EFI_ACPI_S3_SAVE_PROTOCOL *AcpiS3Save;
+ EFI_BLOCK_IO_PROTOCOL *BlkIo;
+ VOID *Buffer;
+
+ *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 EFI_EVENT_SIGNAL_READY_TO_BOOT or
+ // EFI_EVENT_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,
+ // this routine will do the booting.
+ //
+ Status = BdsBootByDiskSignatureAndPartition (
+ Option,
+ (HARDDRIVE_DEVICE_PATH *) DevicePath,
+ Option->LoadOptionsSize,
+ Option->LoadOptions,
+ ExitDataSize,
+ ExitData
+ );
+ if (!EFI_ERROR (Status)) {
+ //
+ // If we found a disk signature and partition device path return success
+ //
+ return EFI_SUCCESS;
+ }
+
+ EfiSignalEventReadyToBoot ();
+
+ //
+ // Set Boot Current
+ //
+ gRT->SetVariable (
+ L"BootCurrent",
+ &gEfiGlobalVariableGuid,
+ EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
+ sizeof (UINT16),
+ &Option->BootCurrent
+ );
+
+ 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);
+ }
+
+ DEBUG ((EFI_D_INFO | EFI_D_LOAD, "Booting EFI 1.1 way %S\n", Option->Description));
+
+ Status = gBS->LoadImage (
+ TRUE,
+ mBdsImageHandle,
+ DevicePath,
+ NULL,
+ 0,
+ &ImageHandle
+ );
+
+ //
+ // If we didn't find an image, we may need to load the default
+ // boot behavior for the device.
+ //
+ if (EFI_ERROR (Status)) {
+ //
+ // Find a Simple File System protocol on the device path. If the remaining
+ // device path is set to end then no Files are being specified, so try
+ // the removable media file name.
+ //
+ TempDevicePath = DevicePath;
+ Status = gBS->LocateDevicePath (
+ &gEfiSimpleFileSystemProtocolGuid,
+ &TempDevicePath,
+ &Handle
+ );
+ if (!EFI_ERROR (Status) && IsDevicePathEnd (TempDevicePath)) {
+ FilePath = FileDevicePath (Handle, EFI_REMOVABLE_MEDIA_FILE_NAME);
+ if (FilePath) {
+ //
+ // 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.
+ //
+ Status = gBS->HandleProtocol (
+ Handle,
+ &gEfiBlockIoProtocolGuid,
+ (VOID **) &BlkIo
+ );
+ if (!EFI_ERROR (Status)) {
+ Buffer = AllocatePool (BlkIo->Media->BlockSize);
+ if (Buffer != NULL) {
+ BlkIo->ReadBlocks (
+ BlkIo,
+ BlkIo->Media->MediaId,
+ 0,
+ BlkIo->Media->BlockSize,
+ Buffer
+ );
+ gBS->FreePool (Buffer);
+ }
+ }
+
+ 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;
+ }
+ }
+ } else {
+ Status = EFI_NOT_FOUND;
+ }
+ }
+
+ 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 ((EFI_D_INFO | EFI_D_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;
+}
+
+EFI_STATUS
+BdsBootByDiskSignatureAndPartition (
+ IN BDS_COMMON_OPTION * Option,
+ IN HARDDRIVE_DEVICE_PATH * HardDriveDevicePath,
+ IN UINT32 LoadOptionsSize,
+ IN VOID *LoadOptions,
+ OUT UINTN *ExitDataSize,
+ OUT CHAR16 **ExitData OPTIONAL
+ )
+/*++
+
+Routine Description:
+
+ Check to see if a hard ware device path was passed in. If it was then search
+ all the block IO devices for the passed in hard drive device path.
+
+Arguments:
+
+ Option - The current processing boot option.
+
+ HardDriveDevicePath - EFI Device Path to boot, if it starts with a hard
+ drive device path.
+
+ LoadOptionsSize - Passed into gBS->StartImage ()
+ via the loaded image protocol.
+
+ LoadOptions - Passed into gBS->StartImage ()
+ via the loaded image protocol.
+
+ ExitDataSize - returned directly from gBS->StartImage ()
+
+ ExitData - returned directly from gBS->StartImage ()
+
+Returns:
+
+ EFI_SUCCESS - Status from gBS->StartImage (),
+ or BootByDiskSignatureAndPartition ()
+
+ EFI_NOT_FOUND - If the Device Path is not found in the system
+
+--*/
+{
+ EFI_STATUS Status;
+ UINTN BlockIoHandleCount;
+ EFI_HANDLE *BlockIoBuffer;
+ EFI_DEVICE_PATH_PROTOCOL *BlockIoDevicePath;
+ EFI_DEVICE_PATH_PROTOCOL *BlockIoHdDevicePath;
+ HARDDRIVE_DEVICE_PATH *TmpHdPath;
+ EFI_DEVICE_PATH_PROTOCOL *DevicePath;
+ EFI_DEVICE_PATH_PROTOCOL *NewDevicePath;
+ UINTN Index;
+ BOOLEAN DevicePathMatch;
+ HARDDRIVE_DEVICE_PATH *TempPath;
+
+ *ExitDataSize = 0;
+ *ExitData = NULL;
+
+ if ( !((DevicePathType (&HardDriveDevicePath->Header) == MEDIA_DEVICE_PATH) &&
+ (DevicePathSubType (&HardDriveDevicePath->Header) == MEDIA_HARDDRIVE_DP))
+ ) {
+ //
+ // If the HardDriveDevicePath does not start with a Hard Drive Device Path
+ // exit.
+ //
+ return EFI_NOT_FOUND;
+ }
+ //
+ // The boot device have already been connected
+ //
+ Status = gBS->LocateHandleBuffer (ByProtocol, &gEfiBlockIoProtocolGuid, NULL, &BlockIoHandleCount, &BlockIoBuffer);
+ if (EFI_ERROR (Status) || BlockIoHandleCount == 0) {
+ //
+ // If there was an error or there are no device handles that support
+ // the BLOCK_IO Protocol, then return.
+ //
+ return EFI_NOT_FOUND;
+ }
+ //
+ // 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;
+ }
+ //
+ // Make PreviousDevicePath == the device path node before the end node
+ //
+ DevicePath = BlockIoDevicePath;
+ BlockIoHdDevicePath = NULL;
+
+ //
+ // find HardDriver device path node
+ //
+ while (!IsDevicePathEnd (DevicePath)) {
+ if ((DevicePathType (DevicePath) == MEDIA_DEVICE_PATH) &&
+ (DevicePathSubType (DevicePath) == MEDIA_HARDDRIVE_DP)
+ ) {
+ BlockIoHdDevicePath = DevicePath;
+ break;
+ }
+
+ DevicePath = NextDevicePathNode (DevicePath);
+ }
+
+ if (BlockIoHdDevicePath == NULL) {
+ continue;
+ }
+ //
+ // See if the harddrive device path in blockio matches the orig Hard Drive Node
+ //
+ DevicePathMatch = FALSE;
+
+ TmpHdPath = (HARDDRIVE_DEVICE_PATH *) BlockIoHdDevicePath;
+ TempPath = (HARDDRIVE_DEVICE_PATH *) BdsLibUnpackDevicePath ((EFI_DEVICE_PATH_PROTOCOL *) HardDriveDevicePath);
+
+ //
+ // Only several fields will be checked. NOT whole NODE
+ //
+ if ( TmpHdPath->PartitionNumber == TempPath->PartitionNumber &&
+ TmpHdPath->MBRType == TempPath->MBRType &&
+ TmpHdPath->SignatureType == TempPath->SignatureType &&
+ CompareGuid ((EFI_GUID *) TmpHdPath->Signature, (EFI_GUID *) TempPath->Signature)) {
+ //
+ // Get the matched device path
+ //
+ DevicePathMatch = TRUE;
+ }
+ //
+ // Only do the boot, when devicepath match
+ //
+ if (DevicePathMatch) {
+ //
+ // Combine the Block IO and Hard Drive Device path together and try
+ // to boot from it.
+ //
+ DevicePath = NextDevicePathNode ((EFI_DEVICE_PATH_PROTOCOL *) HardDriveDevicePath);
+ NewDevicePath = AppendDevicePath (BlockIoDevicePath, DevicePath);
+
+ //
+ // Recursive boot with new device path
+ //
+ Status = BdsLibBootViaBootOption (Option, NewDevicePath, ExitDataSize, ExitData);
+ if (!EFI_ERROR (Status)) {
+ break;
+ }
+ }
+ }
+
+ gBS->FreePool (BlockIoBuffer);
+ return Status;
+}
+
+EFI_STATUS
+BdsLibDeleteOptionFromHandle (
+ IN EFI_HANDLE Handle
+ )
+/*++
+
+Routine Description:
+
+ Delete the boot option associated with the handle passed in
+
+Arguments:
+
+ Handle - The handle which present the device path to create boot option
+
+Returns:
+
+ EFI_SUCCESS - Delete the boot option success
+
+ EFI_NOT_FOUND - If the Device Path is not found in the system
+
+ EFI_OUT_OF_RESOURCES - Lack of memory resource
+
+ Other - Error return value from SetVariable()
+
+--*/
+{
+ 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;
+ CHAR16 *Description;
+
+ Status = EFI_SUCCESS;
+ BootOrder = NULL;
+ BootOrderSize = 0;
+
+ BootOrder = BdsLibGetVariableAndSize (
+ L"BootOrder",
+ &gEfiGlobalVariableGuid,
+ &BootOrderSize
+ );
+ if (NULL == BootOrder) {
+ return EFI_NOT_FOUND;
+ }
+
+ DevicePath = DevicePathFromHandle (Handle);
+ if (DevicePath == NULL) {
+ return EFI_NOT_FOUND;
+ }
+ DevicePathSize = GetDevicePathSize (DevicePath);
+
+ Index = 0;
+ while (Index < BootOrderSize / sizeof (UINT16)) {
+ UnicodeSPrint (BootOption, sizeof (BootOption), L"Boot%04x", BootOrder[Index]);
+ BootOptionVar = BdsLibGetVariableAndSize (
+ BootOption,
+ &gEfiGlobalVariableGuid,
+ &BootOptionSize
+ );
+ if (NULL == BootOptionVar) {
+ gBS->FreePool (BootOrder);
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ TempPtr = BootOptionVar;
+ TempPtr += sizeof (UINT32) + sizeof (UINT16);
+ Description = (CHAR16 *) TempPtr;
+ 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);
+ gBS->FreePool (BootOptionVar);
+ break;
+ }
+
+ gBS->FreePool (BootOptionVar);
+ Index++;
+ }
+
+ Status = gRT->SetVariable (
+ L"BootOrder",
+ &gEfiGlobalVariableGuid,
+ EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE,
+ BootOrderSize,
+ BootOrder
+ );
+
+ gBS->FreePool (BootOrder);
+
+ return Status;
+}
+
+EFI_STATUS
+BdsDeleteAllInvalidEfiBootOption (
+ VOID
+ )
+/*++
+
+Routine Description:
+
+ Delete all invalid EFI boot options. The probable invalid boot option could
+ be Removable media or Network boot device.
+
+Arguments:
+
+ VOID
+
+Returns:
+
+ EFI_SUCCESS - Delete all invalid boot option success
+
+ EFI_NOT_FOUND - Variable "BootOrder" is not found
+
+ EFI_OUT_OF_RESOURCES - Lack of memory resource
+
+ Other - Error return value from SetVariable()
+
+--*/
+{
+ UINT16 *BootOrder;
+ UINT8 *BootOptionVar;
+ UINTN BootOrderSize;
+ UINTN BootOptionSize;
+ EFI_STATUS Status;
+ UINTN Index;
+ UINTN Index2;
+ UINT16 BootOption[BOOT_OPTION_MAX_CHAR];
+ UINTN OptionDevicePathSize;
+ EFI_DEVICE_PATH_PROTOCOL *TempDevicePath;
+ EFI_DEVICE_PATH_PROTOCOL *LastDeviceNode;
+ EFI_DEVICE_PATH_PROTOCOL *OptionDevicePath;
+ UINT8 *TempPtr;
+ CHAR16 *Description;
+ EFI_HANDLE Handle;
+ BOOLEAN NeedDelete;
+
+ Status = EFI_SUCCESS;
+ BootOrder = NULL;
+ BootOrderSize = 0;
+
+ 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) {
+ gBS->FreePool (BootOrder);
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ TempPtr = BootOptionVar;
+ TempPtr += sizeof (UINT32) + sizeof (UINT16);
+ Description = (CHAR16 *) TempPtr;
+ TempPtr += StrSize ((CHAR16 *) TempPtr);
+ OptionDevicePath = (EFI_DEVICE_PATH_PROTOCOL *) TempPtr;
+ OptionDevicePathSize = GetDevicePathSize (OptionDevicePath);
+
+ //
+ // Skip legacy boot option (BBS boot device)
+ //
+ if ((DevicePathType (OptionDevicePath) == BBS_DEVICE_PATH) &&
+ (DevicePathSubType (OptionDevicePath) == BBS_BBS_DP)) {
+ gBS->FreePool (BootOptionVar);
+ Index++;
+ continue;
+ }
+
+ TempDevicePath = OptionDevicePath;
+ LastDeviceNode = OptionDevicePath;
+ while (!EfiIsDevicePathEnd (TempDevicePath)) {
+ LastDeviceNode = TempDevicePath;
+ TempDevicePath = EfiNextDevicePathNode (TempDevicePath);
+ }
+ //
+ // Skip the boot option that point to a file, since the device path in
+ // removable media boot option doesn't contains a file name.
+ //
+ if (((DevicePathType (LastDeviceNode) == MEDIA_DEVICE_PATH) &&
+ (DevicePathSubType (LastDeviceNode) == MEDIA_FILEPATH_DP)) ||
+ //
+ // Skip boot option for internal Shell, it's always valid
+ //
+ (EfiGetNameGuidFromFwVolDevicePathNode ((MEDIA_FW_VOL_FILEPATH_DEVICE_PATH *) LastDeviceNode) != NULL)) {
+ gBS->FreePool (BootOptionVar);
+ Index++;
+ continue;
+ }
+
+ NeedDelete = TRUE;
+ //
+ // Check if it's a valid boot option for removable media
+ //
+ TempDevicePath = OptionDevicePath;
+ Status = gBS->LocateDevicePath (
+ &gEfiSimpleFileSystemProtocolGuid,
+ &TempDevicePath,
+ &Handle
+ );
+ if (!EFI_ERROR (Status)) {
+ NeedDelete = FALSE;
+ }
+ //
+ // Check if it's a valid boot option for network boot device
+ //
+ TempDevicePath = OptionDevicePath;
+ Status = gBS->LocateDevicePath (
+ &gEfiLoadFileProtocolGuid,
+ &TempDevicePath,
+ &Handle
+ );
+ if (!EFI_ERROR (Status)) {
+ NeedDelete = FALSE;
+ }
+
+ if (NeedDelete) {
+ //
+ // 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;
+ }
+
+ gBS->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
+ );
+
+ gBS->FreePool (BootOrder);
+
+ return Status;
+}
+
+EFI_STATUS
+BdsLibEnumerateAllBootOption (
+ IN OUT LIST_ENTRY *BdsBootOptionList
+ )
+/*++
+
+Routine Description:
+
+ This function will enumerate all possible boot device in the system,
+ it will only excute once of every boot.
+
+Arguments:
+
+ BdsBootOptionList - The header of the link list which indexed all
+ current boot options
+
+Returns:
+
+ EFI_SUCCESS - Finished all the boot device enumerate and create
+ the boot option base on that boot device
+
+--*/
+{
+ EFI_STATUS Status;
+ UINT16 BootOptionNumber;
+ UINTN NumberFileSystemHandles;
+ EFI_HANDLE *FileSystemHandles;
+ EFI_BLOCK_IO_PROTOCOL *BlkIo;
+ UINTN Index;
+ UINTN NumberLoadFileHandles;
+ EFI_HANDLE *LoadFileHandles;
+ VOID *ProtocolInstance;
+ EFI_FIRMWARE_VOLUME_PROTOCOL *Fv;
+ UINTN FvHandleCount;
+ EFI_HANDLE *FvHandleBuffer;
+ EFI_FV_FILETYPE Type;
+ UINTN Size;
+ EFI_FV_FILE_ATTRIBUTES Attributes;
+ UINT32 AuthenticationStatus;
+ EFI_DEVICE_PATH_PROTOCOL *FilePath;
+ EFI_HANDLE ImageHandle;
+ EFI_LOADED_IMAGE_PROTOCOL *ImageInfo;
+ BOOLEAN NeedDelete;
+
+ BootOptionNumber = 0;
+
+ //
+ // 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,
+ &gEfiSimpleFileSystemProtocolGuid,
+ NULL,
+ &NumberFileSystemHandles,
+ &FileSystemHandles
+ );
+ for (Index = 0; Index < NumberFileSystemHandles; Index++) {
+ Status = gBS->HandleProtocol (
+ FileSystemHandles[Index],
+ &gEfiBlockIoProtocolGuid,
+ (VOID **) &BlkIo
+ );
+ if (!EFI_ERROR (Status)) {
+ if (!BlkIo->Media->RemovableMedia) {
+ //
+ // If the file system handle supports a BlkIo protocol,
+ // skip the removable media devices
+ //
+ continue;
+ }
+ }
+
+ //
+ // Do the removable Media thing. \EFI\BOOT\boot{machinename}.EFI
+ // machinename is ia32, ia64, x64, ...
+ //
+ FilePath = FileDevicePath (FileSystemHandles[Index], EFI_REMOVABLE_MEDIA_FILE_NAME);
+ NeedDelete = TRUE;
+ Status = gBS->LoadImage (
+ TRUE,
+ mBdsImageHandle,
+ FilePath,
+ NULL,
+ 0,
+ &ImageHandle
+ );
+ if (!EFI_ERROR(Status)) {
+ //
+ // Verify the image is a EFI application (and not a driver)
+ //
+ Status = gBS->HandleProtocol (ImageHandle, &gEfiLoadedImageProtocolGuid, (VOID **) &ImageInfo);
+ ASSERT (!EFI_ERROR(Status));
+
+ if (ImageInfo->ImageCodeType == EfiLoaderCode) {
+ NeedDelete = FALSE;
+ }
+ }
+
+ if (NeedDelete) {
+ //
+ // No such file or the file is not a EFI application, delete this boot option
+ //
+ BdsLibDeleteOptionFromHandle (FileSystemHandles[Index]);
+ } else {
+ BdsLibBuildOptionFromHandle (FileSystemHandles[Index], BdsBootOptionList);
+ BootOptionNumber++;
+ }
+ }
+
+ if (NumberFileSystemHandles) {
+ gBS->FreePool (FileSystemHandles);
+ }
+ //
+ // Parse Network Boot Device
+ //
+ gBS->LocateHandleBuffer (
+ ByProtocol,
+ &gEfiSimpleNetworkProtocolGuid,
+ NULL,
+ &NumberLoadFileHandles,
+ &LoadFileHandles
+ );
+ for (Index = 0; Index < NumberLoadFileHandles; Index++) {
+ Status = gBS->HandleProtocol (
+ LoadFileHandles[Index],
+ &gEfiLoadFileProtocolGuid,
+ (VOID **) &ProtocolInstance
+ );
+ if (EFI_ERROR (Status)) {
+ continue;
+ }
+
+ BdsLibBuildOptionFromHandle (LoadFileHandles[Index], BdsBootOptionList);
+ BootOptionNumber++;
+ }
+
+ if (NumberLoadFileHandles) {
+ gBS->FreePool (LoadFileHandles);
+ }
+ //
+ // Check if we have on flash shell
+ //
+ gBS->LocateHandleBuffer (
+ ByProtocol,
+ &gEfiFirmwareVolumeProtocolGuid,
+ NULL,
+ &FvHandleCount,
+ &FvHandleBuffer
+ );
+ for (Index = 0; Index < FvHandleCount; Index++) {
+ gBS->HandleProtocol (
+ FvHandleBuffer[Index],
+ &gEfiFirmwareVolumeProtocolGuid,
+ (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);
+ BootOptionNumber++;
+ }
+
+ if (FvHandleCount) {
+ gBS->FreePool (FvHandleBuffer);
+ }
+ //
+ // Make sure every boot only have one time
+ // boot device enumerate
+ //
+ BdsLibBuildOptionFromVar (BdsBootOptionList, L"BootOrder");
+ mEnumBootDevice = TRUE;
+
+ return EFI_SUCCESS;
+}
+
+VOID
+BdsLibBuildOptionFromHandle (
+ IN EFI_HANDLE Handle,
+ IN LIST_ENTRY *BdsBootOptionList
+ )
+/*++
+
+Routine Description:
+
+ Build the boot option with the handle parsed in
+
+Arguments:
+
+ Handle - The handle which present the device path to create boot option
+
+ BdsBootOptionList - The header of the link list which indexed all current
+ boot options
+
+Returns:
+
+ VOID
+
+--*/
+{
+ EFI_DEVICE_PATH_PROTOCOL *DevicePath;
+ CHAR16 *TempString;
+
+ DevicePath = DevicePathFromHandle (Handle);
+ TempString = DevicePathToStr (DevicePath);
+
+ //
+ // Create and register new boot option
+ //
+ BdsLibRegisterNewOption (BdsBootOptionList, DevicePath, TempString, L"BootOrder");
+}
+
+VOID
+BdsLibBuildOptionFromShell (
+ IN EFI_HANDLE Handle,
+ IN OUT LIST_ENTRY *BdsBootOptionList
+ )
+/*++
+
+Routine Description:
+
+ Build the on flash shell boot option with the handle parsed in
+
+Arguments:
+
+ Handle - The handle which present the device path to create on flash shell
+ boot option
+
+ BdsBootOptionList - The header of the link list which indexed all current
+ boot options
+
+Returns:
+
+ None
+
+--*/
+{
+ 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"Internal EFI Shell", L"BootOrder");
+
+}
+
+VOID
+BdsLibBootNext (
+ VOID
+ )
+/*++
+
+Routine Description:
+
+ Boot from the EFI1.1 spec defined "BootNext" variable
+
+Arguments:
+
+ None
+
+Returns:
+
+ None
+
+--*/
+{
+ 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);
+ BdsLibConnectDevicePath (BootOption->DevicePath);
+ BdsLibBootViaBootOption (BootOption, BootOption->DevicePath, &ExitDataSize, &ExitData);
+ }
+
+}
diff --git a/EdkModulePkg/Library/EdkGenericBdsLib/BdsConnect.c b/EdkModulePkg/Library/EdkGenericBdsLib/BdsConnect.c new file mode 100644 index 0000000000..9c649f1f82 --- /dev/null +++ b/EdkModulePkg/Library/EdkGenericBdsLib/BdsConnect.c @@ -0,0 +1,357 @@ +/*++
+
+Copyright (c) 2006, Intel Corporation
+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.
+
+Module Name:
+
+ BdsConnect.c
+
+Abstract:
+
+ BDS Lib functions which relate with connect the device
+
+--*/
+
+VOID
+BdsLibConnectAll (
+ VOID
+ )
+/*++
+
+Routine Description:
+
+ 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 avialbe and the platform default
+ console connected.
+
+Arguments:
+
+ None
+
+Returns:
+
+ None
+
+--*/
+{
+ //
+ // 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 ();
+}
+
+VOID
+BdsLibGenericConnectAll (
+ VOID
+ )
+/*++
+
+Routine Description:
+
+ 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 avariable
+ if the system have console device.
+
+Arguments:
+
+ None
+
+Returns:
+
+ None
+
+--*/
+{
+ //
+ // Most generic way to connect all the drivers
+ //
+ BdsLibConnectAllDriversToAllControllers ();
+ BdsLibConnectAllConsoles ();
+}
+
+EFI_STATUS
+BdsLibConnectDevicePath (
+ IN EFI_DEVICE_PATH_PROTOCOL *DevicePathToConnect
+ )
+/*++
+
+Routine Description:
+ 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.
+
+Arguments:
+
+ DevicePathToConnect - The device path which will be connected, it can
+ be a multi-instance device path
+
+Returns:
+
+ EFI_SUCCESS - All handles associate with every device path
+ node have been created
+
+ EFI_OUT_OF_RESOURCES - There is no resource to create new handles
+
+ EFI_NOT_FOUND - Create the handle associate with one device
+ path node failed
+
+--*/
+{
+ 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);
+ CopyOfDevicePath = DevicePath;
+ if (DevicePath == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ 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);
+ 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) {
+ gBS->FreePool (CopyOfDevicePath);
+ }
+ //
+ // All handle with DevicePath exists in the handle database
+ //
+ return Status;
+}
+
+EFI_STATUS
+BdsLibConnectAllEfi (
+ VOID
+ )
+/*++
+
+Routine Description:
+
+ This function will connect all current system handles recursively. The
+ connection will finish until every handle's child handle created if it have.
+
+Arguments:
+
+ None
+
+Returns:
+
+ EFI_SUCCESS - All handles and it's child handle have been connected
+
+ EFI_STATUS - Return the status of gBS->LocateHandleBuffer().
+
+--*/
+{
+ 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);
+ }
+
+ gBS->FreePool (HandleBuffer);
+
+ return EFI_SUCCESS;
+}
+
+EFI_STATUS
+BdsLibDisconnectAllEfi (
+ VOID
+ )
+/*++
+
+Routine Description:
+
+ This function will disconnect all current system handles. The disconnection
+ will finish until every handle have been disconnected.
+
+Arguments:
+
+ None
+
+Returns:
+
+ EFI_SUCCESS - All handles have been disconnected
+
+ EFI_STATUS - Return the status of gBS->LocateHandleBuffer().
+
+--*/
+{
+ 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);
+ }
+
+ gBS->FreePool (HandleBuffer);
+
+ return EFI_SUCCESS;
+}
+
+VOID
+BdsLibConnectAllDriversToAllControllers (
+ VOID
+ )
+/*++
+
+Routine Description:
+
+ 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.
+
+Arguments:
+
+ None
+
+Returns:
+
+ None
+
+--*/
+{
+ 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));
+
+}
diff --git a/EdkModulePkg/Library/EdkGenericBdsLib/BdsConsole.c b/EdkModulePkg/Library/EdkGenericBdsLib/BdsConsole.c new file mode 100644 index 0000000000..300c19947c --- /dev/null +++ b/EdkModulePkg/Library/EdkGenericBdsLib/BdsConsole.c @@ -0,0 +1,387 @@ +/*++
+
+Copyright (c) 2006, Intel Corporation
+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.
+
+Module Name:
+
+ BdsConsole.c
+
+Abstract:
+
+ BDS Lib functions which contain all the code to connect console device
+
+--*/
+
+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) {
+ Ptr++;
+ }
+
+ if ((*(Ptr - 3) == 'D') && (*(Ptr - 2) == 'e') && (*(Ptr - 1) == 'v')) {
+ return FALSE;
+ } else {
+ return TRUE;
+ }
+}
+
+EFI_STATUS
+BdsLibUpdateConsoleVariable (
+ IN CHAR16 *ConVarName,
+ IN EFI_DEVICE_PATH_PROTOCOL *CustomizedConDevicePath,
+ IN EFI_DEVICE_PATH_PROTOCOL *ExclusiveDevicePath
+ )
+/*++
+
+Routine Description:
+
+ This function update console variable based on ConVarName, it can
+ add or remove one specific console device path from the variable
+
+Arguments:
+
+ ConVarName - Console related variable name, ConIn, ConOut, ErrOut.
+
+ CustomizedConDevicePath - The console device path which will be added to
+ the console variable ConVarName, this parameter
+ can not be multi-instance.
+
+ ExclusiveDevicePath - The console device path which will be removed
+ from the console variable ConVarName, this
+ parameter can not be multi-instance.
+
+Returns:
+
+ EFI_UNSUPPORTED - Add or remove the same device path.
+
+ EFI_SUCCESS - Success add or remove the device path from
+ the console variable.
+
+--*/
+{
+ EFI_STATUS Status;
+ EFI_DEVICE_PATH_PROTOCOL *VarConsole;
+ UINTN DevicePathSize;
+ EFI_DEVICE_PATH_PROTOCOL *NewDevicePath;
+ EFI_DEVICE_PATH_PROTOCOL *TempNewDevicePath;
+ UINT32 Attributes;
+
+ VarConsole = NULL;
+ DevicePathSize = 0;
+ Status = EFI_UNSUPPORTED;
+
+ //
+ // 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 null,
+ // just append current customized device path
+ //
+ TempNewDevicePath = NewDevicePath;
+ NewDevicePath = AppendDevicePathInstance (NewDevicePath, CustomizedConDevicePath);
+ BdsLibSafeFreePool(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) {
+ BdsLibSafeFreePool(VarConsole);
+ } else {
+ BdsLibSafeFreePool(VarConsole);
+ BdsLibSafeFreePool(NewDevicePath);
+ }
+
+ return EFI_SUCCESS;
+
+}
+
+EFI_STATUS
+BdsLibConnectConsoleVariable (
+ IN CHAR16 *ConVarName
+ )
+/*++
+
+Routine Description:
+
+ 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.
+
+Arguments:
+
+ ConVarName - Console related variable name, ConIn, ConOut, ErrOut.
+
+Returns:
+
+ EFI_NOT_FOUND - There is not any console devices connected success
+
+ EFI_SUCCESS - Success connect any one instance of the console
+ device path base on the variable 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);
+ Next = Instance;
+ while (!IsDevicePathEndType (Next)) {
+ Next = NextDevicePathNode (Next);
+ }
+
+ SetDevicePathEndNode (Next);
+
+ //
+ // 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;
+ }
+ BdsLibSafeFreePool(Instance);
+ } while (CopyOfDevicePath != NULL);
+
+ gBS->FreePool (StartDevicePath);
+
+ if (DeviceExist == FALSE) {
+ return EFI_NOT_FOUND;
+ }
+
+ return EFI_SUCCESS;
+}
+
+VOID
+BdsLibConnectAllConsoles (
+ VOID
+ )
+/*++
+
+Routine Description:
+
+ This function will search every simpletxt devive in current system,
+ and make every simpletxt device as pertantial console device.
+
+Arguments:
+
+ None
+
+Returns:
+
+ None
+
+--*/
+{
+ EFI_STATUS Status;
+ 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
+ //
+ Status = gBS->LocateHandleBuffer (
+ ByProtocol,
+ &gEfiSimpleTextInProtocolGuid,
+ NULL,
+ &HandleCount,
+ &HandleBuffer
+ );
+ for (Index = 0; Index < HandleCount; Index++) {
+ Status = gBS->HandleProtocol (
+ HandleBuffer[Index],
+ &gEfiDevicePathProtocolGuid,
+ (VOID **) &ConDevicePath
+ );
+ BdsLibUpdateConsoleVariable (L"ConIn", ConDevicePath, NULL);
+ }
+
+ BdsLibSafeFreePool(HandleBuffer);
+
+ Status = gBS->LocateHandleBuffer (
+ ByProtocol,
+ &gEfiSimpleTextOutProtocolGuid,
+ NULL,
+ &HandleCount,
+ &HandleBuffer
+ );
+ for (Index = 0; Index < HandleCount; Index++) {
+ Status = gBS->HandleProtocol (
+ HandleBuffer[Index],
+ &gEfiDevicePathProtocolGuid,
+ (VOID **) &ConDevicePath
+ );
+ BdsLibUpdateConsoleVariable (L"ConOut", ConDevicePath, NULL);
+ BdsLibUpdateConsoleVariable (L"ErrOut", ConDevicePath, NULL);
+ }
+
+ BdsLibSafeFreePool(HandleBuffer);
+
+ //
+ // Connect all console variables
+ //
+ BdsLibConnectAllDefaultConsoles ();
+
+}
+
+EFI_STATUS
+BdsLibConnectAllDefaultConsoles (
+ VOID
+ )
+/*++
+
+Routine Description:
+
+ This function will connect console device base on the console
+ device variable ConIn, ConOut and ErrOut.
+
+Arguments:
+
+ None
+
+Returns:
+
+ EFI_SUCCESS - At least one of the ConIn and ConOut device have
+ been connected success.
+
+ EFI_STATUS - Return the status of BdsLibConnectConsoleVariable ().
+
+--*/
+{
+ EFI_STATUS Status;
+
+ //
+ // Connect all default console variables
+ //
+ Status = BdsLibConnectConsoleVariable (L"ConIn");
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ Status = BdsLibConnectConsoleVariable (L"ConOut");
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+ //
+ // Special treat the err out device, becaues the null
+ // err out var is legal.
+ //
+ BdsLibConnectConsoleVariable (L"ErrOut");
+
+ return EFI_SUCCESS;
+
+}
diff --git a/EdkModulePkg/Library/EdkGenericBdsLib/BdsMisc.c b/EdkModulePkg/Library/EdkGenericBdsLib/BdsMisc.c new file mode 100644 index 0000000000..2662ba7297 --- /dev/null +++ b/EdkModulePkg/Library/EdkGenericBdsLib/BdsMisc.c @@ -0,0 +1,1120 @@ +/*++
+
+Copyright (c) 2006, Intel Corporation
+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.
+
+Module Name:
+
+ BdsMisc.c
+
+Abstract:
+
+ Misc BDS library function
+
+--*/
+
+#define MAX_STRING_LEN 200
+static BOOLEAN mFeaturerSwitch = TRUE;
+static BOOLEAN mResetRequired = FALSE;
+extern UINT16 gPlatformBootTimeOutDefault;
+
+UINT16
+BdsLibGetTimeout (
+ VOID
+ )
+/*++
+
+Routine Description:
+
+ Return the default value for system Timeout variable.
+
+Arguments:
+
+ None
+
+Returns:
+
+ Timeout value.
+
+--*/
+{
+ 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)) {
+ return Timeout;
+ }
+ //
+ // To make the current EFI Automatic-Test activity possible, just add
+ // following code to make AutoBoot enabled when this variable is not
+ // present.
+ // This code should be removed later.
+ //
+ Timeout = gPlatformBootTimeOutDefault;
+
+ //
+ // Notes: Platform should set default variable if non exists on all error cases!!!
+ //
+ Status = gRT->SetVariable (
+ L"Timeout",
+ &gEfiGlobalVariableGuid,
+ EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE,
+ sizeof (UINT16),
+ &Timeout
+ );
+ return Timeout;
+}
+
+VOID
+BdsLibLoadDrivers (
+ IN LIST_ENTRY *BdsDriverLists
+ )
+/*++
+
+Routine Description:
+
+ The function will go through the driver optoin link list, load and start
+ every driver the driver optoin device path point to.
+
+Arguments:
+
+ BdsDriverLists - The header of the current driver option link list
+
+Returns:
+
+ None
+
+--*/
+{
+ 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 ((EFI_D_INFO | EFI_D_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 ();
+ }
+
+}
+
+EFI_STATUS
+BdsLibRegisterNewOption (
+ IN LIST_ENTRY *BdsOptionList,
+ IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,
+ IN CHAR16 *String,
+ IN CHAR16 *VariableName
+ )
+/*++
+
+Routine Description:
+
+ 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.
+
+Arguments:
+
+ BdsOptionList - The header of the boot#### or driver#### link list
+
+ DevicePath - The device path which the boot####
+ or driver#### option present
+
+ String - The description of the boot#### or driver####
+
+ VariableName - Indicate if the boot#### or driver#### option
+
+Returns:
+
+ EFI_SUCCESS - The boot#### or driver#### have been success registered
+
+ EFI_STATUS - Return the status of gRT->SetVariable ().
+
+--*/
+{
+ EFI_STATUS Status;
+ UINTN Index;
+ UINT16 MaxOptionNumber;
+ 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 UpdateBootDevicePath;
+
+ OptionPtr = NULL;
+ OptionSize = 0;
+ TempPtr = NULL;
+ OptionDevicePath = NULL;
+ Description = NULL;
+ MaxOptionNumber = 0;
+ OptionOrderPtr = NULL;
+ UpdateBootDevicePath = FALSE;
+ ZeroMem (OptionName, sizeof (OptionName));
+
+ TempOptionSize = 0;
+ TempOptionPtr = BdsLibGetVariableAndSize (
+ VariableName,
+ &gEfiGlobalVariableGuid,
+ &TempOptionSize
+ );
+ //
+ // Compare with current option variable
+ //
+ for (Index = 0; Index < TempOptionSize / sizeof (UINT16); Index++) {
+ //
+ // Got the max option#### number
+ //
+ if (MaxOptionNumber < TempOptionPtr[Index]) {
+ MaxOptionNumber = TempOptionPtr[Index];
+ }
+
+ 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
+ );
+ 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 (Description, String, StrSize (Description)) == 0) {
+ if (CompareMem (OptionDevicePath, DevicePath, GetDevicePathSize (OptionDevicePath)) == 0) {
+ //
+ // Got the option, so just return
+ //
+ gBS->FreePool (OptionPtr);
+ gBS->FreePool (TempOptionPtr);
+ return EFI_SUCCESS;
+ } else {
+ //
+ // Boot device path changed, need update.
+ //
+ UpdateBootDevicePath = TRUE;
+ break;
+ }
+ }
+
+ gBS->FreePool (OptionPtr);
+ }
+
+ OptionSize = sizeof (UINT32) + sizeof (UINT16) + StrSize (String) + GetDevicePathSize (DevicePath);
+ OptionPtr = AllocateZeroPool (OptionSize);
+ 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 (UpdateBootDevicePath) {
+ //
+ // The number in option#### to be updated
+ //
+ RegisterOptionNumber = TempOptionPtr[Index];
+ } else {
+ //
+ // The new option#### number
+ //
+ RegisterOptionNumber = MaxOptionNumber + 1;
+ }
+
+ 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
+ );
+ if (EFI_ERROR (Status) || UpdateBootDevicePath) {
+ gBS->FreePool (OptionPtr);
+ gBS->FreePool (TempOptionPtr);
+ return Status;
+ }
+
+ gBS->FreePool (OptionPtr);
+
+ //
+ // Update the option order variable
+ //
+ OptionOrderPtr = AllocateZeroPool ((Index + 1) * sizeof (UINT16));
+ CopyMem (OptionOrderPtr, TempOptionPtr, Index * sizeof (UINT16));
+ OptionOrderPtr[Index] = RegisterOptionNumber;
+ Status = gRT->SetVariable (
+ VariableName,
+ &gEfiGlobalVariableGuid,
+ EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE,
+ (Index + 1) * sizeof (UINT16),
+ OptionOrderPtr
+ );
+ if (EFI_ERROR (Status)) {
+ gBS->FreePool (TempOptionPtr);
+ gBS->FreePool (OptionOrderPtr);
+ return Status;
+ }
+
+ gBS->FreePool (TempOptionPtr);
+ gBS->FreePool (OptionOrderPtr);
+
+ return EFI_SUCCESS;
+}
+
+BDS_COMMON_OPTION *
+BdsLibVariableToOption (
+ IN OUT LIST_ENTRY *BdsCommonOptionList,
+ IN CHAR16 *VariableName
+ )
+/*++
+
+Routine Description:
+
+ Build the boot#### or driver#### option from the VariableName, the
+ build boot#### or driver#### will also be linked to BdsCommonOptionList
+
+Arguments:
+
+ BdsCommonOptionList - The header of the boot#### or driver#### option link list
+
+ VariableName - EFI Variable name indicate if it is boot#### or driver####
+
+Returns:
+
+ BDS_COMMON_OPTION - Get the option just been created
+
+ NULL - Failed to get the new option
+
+--*/
+{
+ 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;
+
+ //
+ // 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));
+ CopyMem (Option->DevicePath, DevicePath, GetDevicePathSize (DevicePath));
+ Option->Attribute = Attribute;
+ Option->Description = AllocateZeroPool (StrSize (Description));
+ CopyMem (Option->Description, Description, StrSize (Description));
+ Option->LoadOptions = AllocateZeroPool (LoadOptionsSize);
+ CopyMem (Option->LoadOptions, LoadOptions, LoadOptionsSize);
+ Option->LoadOptionsSize = LoadOptionsSize;
+
+ //
+ // Insert active entry to BdsDeviceList
+ //
+ if ((Option->Attribute & LOAD_OPTION_ACTIVE) == LOAD_OPTION_ACTIVE) {
+ InsertTailList (BdsCommonOptionList, &Option->Link);
+ gBS->FreePool (Variable);
+ return Option;
+ }
+
+ gBS->FreePool (Variable);
+ gBS->FreePool (Option);
+ return NULL;
+
+}
+
+EFI_STATUS
+BdsLibBuildOptionFromVar (
+ IN LIST_ENTRY *BdsCommonOptionList,
+ IN CHAR16 *VariableName
+ )
+/*++
+
+Routine Description:
+
+ Process BootOrder, or DriverOrder variables, by calling
+ BdsLibVariableToOption () for each UINT16 in the variables.
+
+Arguments:
+
+ BdsCommonOptionList - The header of the option list base on variable
+ VariableName
+
+ VariableName - EFI Variable name indicate the BootOrder or DriverOrder
+
+Returns:
+
+ EFI_SUCCESS - Success create the boot option or driver option list
+
+ EFI_OUT_OF_RESOURCES - Failed to get the boot option or driver option list
+
+--*/
+{
+ 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);
+ Option->BootCurrent = OptionOrder[Index];
+
+ }
+
+ gBS->FreePool (OptionOrder);
+
+ return EFI_SUCCESS;
+}
+
+EFI_STATUS
+BdsLibGetBootMode (
+ OUT EFI_BOOT_MODE *BootMode
+ )
+/*++
+
+Routine Description:
+
+ Get boot mode by looking up configuration table and parsing HOB list
+
+Arguments:
+
+ BootMode - Boot mode from PEI handoff HOB.
+
+Returns:
+
+ EFI_SUCCESS - Successfully get boot mode
+
+ EFI_NOT_FOUND - Can not find the current system boot mode
+
+--*/
+{
+ EFI_HOB_HANDOFF_INFO_TABLE *HobList;
+
+ HobList = GetHobList ();
+ ASSERT (HobList->Header.HobType == EFI_HOB_TYPE_HANDOFF);
+ *BootMode = HobList->BootMode;
+
+ return EFI_SUCCESS;
+}
+
+VOID *
+BdsLibGetVariableAndSize (
+ IN CHAR16 *Name,
+ IN EFI_GUID *VendorGuid,
+ OUT UINTN *VariableSize
+ )
+/*++
+
+Routine Description:
+
+ Read the EFI variable (VendorGuid/Name) and return a dynamically allocated
+ buffer, and the size of the buffer. If failure return NULL.
+
+Arguments:
+
+ Name - String part of EFI variable name
+
+ VendorGuid - GUID part of EFI variable name
+
+ VariableSize - Returns the size of the EFI variable that was read
+
+Returns:
+
+ Dynamically allocated memory that contains a copy of the EFI variable.
+ Caller is responsible freeing the buffer.
+
+ NULL - Variable was not read
+
+--*/
+{
+ 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;
+}
+
+VOID
+BdsLibSafeFreePool (
+ IN VOID *Buffer
+ )
+/*++
+
+Routine Description:
+
+ Free pool safely.
+
+Arguments:
+
+ Buffer - The allocated pool entry to free
+
+Returns:
+
+ Pointer of the buffer allocated.
+
+--*/
+{
+ if (Buffer != NULL) {
+ gBS->FreePool (Buffer);
+ Buffer = NULL;
+ }
+}
+
+EFI_DEVICE_PATH_PROTOCOL *
+BdsLibDelPartMatchInstance (
+ IN EFI_DEVICE_PATH_PROTOCOL *Multi,
+ IN EFI_DEVICE_PATH_PROTOCOL *Single
+ )
+/*++
+
+Routine Description:
+
+ Delete the instance in Multi which matches partly with Single instance
+
+Arguments:
+
+ Multi - A pointer to a multi-instance device path data structure.
+
+ Single - A pointer to a single-instance device path data structure.
+
+Returns:
+
+ 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 *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);
+ BdsLibSafeFreePool(TempNewDevicePath);
+ }
+ BdsLibSafeFreePool(Instance);
+ Instance = GetNextDevicePathInstance (&Multi, &InstanceSize);
+ InstanceSize -= END_DEVICE_PATH_LENGTH;
+ }
+
+ return NewDevicePath;
+}
+
+BOOLEAN
+BdsLibMatchDevicePaths (
+ IN EFI_DEVICE_PATH_PROTOCOL *Multi,
+ IN EFI_DEVICE_PATH_PROTOCOL *Single
+ )
+/*++
+
+Routine Description:
+
+ Function compares a device path data structure to that of all the nodes of a
+ second device path instance.
+
+Arguments:
+
+ Multi - A pointer to a multi-instance device path data structure.
+
+ Single - A pointer to a single-instance device path data structure.
+
+Returns:
+
+ TRUE - If the Single is contained within Multi
+
+ FALSE - The Single is not match within Multi
+
+
+--*/
+{
+ EFI_DEVICE_PATH_PROTOCOL *DevicePath;
+ EFI_DEVICE_PATH_PROTOCOL *DevicePathInst;
+ UINTN Size;
+
+ if (!Multi || !Single) {
+ 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) {
+ gBS->FreePool (DevicePathInst);
+ return TRUE;
+ }
+
+ gBS->FreePool (DevicePathInst);
+ DevicePathInst = GetNextDevicePathInstance (&DevicePath, &Size);
+ }
+
+ return FALSE;
+}
+
+EFI_STATUS
+BdsLibOutputStrings (
+ IN EFI_SIMPLE_TEXT_OUT_PROTOCOL *ConOut,
+ ...
+ )
+/*++
+
+Routine Description:
+
+ This function prints a series of strings.
+
+Arguments:
+
+ ConOut - Pointer to EFI_SIMPLE_TEXT_OUT_PROTOCOL
+
+ ... - A variable argument list containing series of strings,
+ the last string must be NULL.
+
+Returns:
+
+ EFI_SUCCESS - Success print out the string using ConOut.
+
+ EFI_STATUS - Return the status of the ConOut->OutputString ().
+
+--*/
+{
+ 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) {
+ break;
+ }
+
+ Status = ConOut->OutputString (ConOut, String);
+
+ if (EFI_ERROR (Status)) {
+ break;
+ }
+ }
+
+ 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.
+//
+
+VOID
+EnableResetReminderFeature (
+ VOID
+ )
+/*++
+
+Routine Description:
+
+ 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.
+
+Arguments:
+
+ VOID
+
+Returns:
+
+ VOID
+
+--*/
+{
+ mFeaturerSwitch = TRUE;
+}
+
+VOID
+DisableResetReminderFeature (
+ VOID
+ )
+/*++
+
+Routine Description:
+
+ 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.
+
+Arguments:
+
+ VOID
+
+Returns:
+
+ VOID
+
+--*/
+{
+ mFeaturerSwitch = FALSE;
+}
+
+VOID
+EnableResetRequired (
+ VOID
+ )
+/*++
+
+Routine Description:
+
+ Record the info that a reset is required.
+ A module boolean variable is used to record whether a reset is required.
+
+Arguments:
+
+ VOID
+
+Returns:
+
+ VOID
+
+--*/
+{
+ mResetRequired = TRUE;
+}
+
+VOID
+DisableResetRequired (
+ VOID
+ )
+/*++
+
+Routine Description:
+
+ Record the info that no reset is required.
+ A module boolean variable is used to record whether a reset is required.
+
+Arguments:
+
+ VOID
+
+Returns:
+
+ VOID
+
+--*/
+{
+ mResetRequired = FALSE;
+}
+
+BOOLEAN
+IsResetReminderFeatureEnable (
+ VOID
+ )
+/*++
+
+Routine Description:
+
+ Check whether platform policy enable the reset reminder feature. The default is enabled.
+
+Arguments:
+
+ VOID
+
+Returns:
+
+ VOID
+
+--*/
+{
+ return mFeaturerSwitch;
+}
+
+BOOLEAN
+IsResetRequired (
+ VOID
+ )
+/*++
+
+Routine Description:
+
+ Check if user changed any option setting which needs a system reset to be effective.
+
+Arguments:
+
+ VOID
+
+Returns:
+
+ VOID
+
+--*/
+{
+ return mResetRequired;
+}
+
+VOID
+SetupResetReminder (
+ VOID
+ )
+/*++
+
+Routine Description:
+
+ 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.
+
+Arguments:
+
+ VOID
+
+Returns:
+
+ VOID
+
+--*/
+{
+ EFI_STATUS Status;
+ EFI_FORM_BROWSER_PROTOCOL *Browser;
+ EFI_INPUT_KEY Key;
+ CHAR16 *StringBuffer1;
+ CHAR16 *StringBuffer2;
+
+
+ //
+ //check any reset required change is applied? if yes, reset system
+ //
+ if (IsResetReminderFeatureEnable ()) {
+ if (IsResetRequired ()) {
+
+ Status = gBS->LocateProtocol (
+ &gEfiFormBrowserProtocolGuid,
+ NULL,
+ (VOID **)&Browser
+ );
+
+ 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 {
+ Browser->CreatePopUp (2, TRUE, 0, NULL, &Key, StringBuffer1, StringBuffer2);
+ } while ((Key.ScanCode != SCAN_ESC) && (Key.UnicodeChar != CHAR_CARRIAGE_RETURN));
+
+ gBS->FreePool (StringBuffer1);
+ gBS->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);
+ }
+ }
+}
+
+EFI_STATUS
+BdsLibGetHiiHandles (
+ IN EFI_HII_PROTOCOL *Hii,
+ IN OUT UINT16 *HandleBufferLength,
+ OUT EFI_HII_HANDLE **HiiHandleBuffer
+ )
+/*++
+
+Routine Description:
+
+ Determines the handles that are currently active in the database.
+ It's the caller's responsibility to free handle buffer.
+
+Arguments:
+
+ This - A pointer to the EFI_HII_PROTOCOL instance.
+ HandleBufferLength - On input, a pointer to the length of the handle buffer. On output,
+ the length of the handle buffer that is required for the handles found.
+ HiiHandleBuffer - Pointer to an array of EFI_HII_PROTOCOL instances returned.
+
+Returns:
+
+ EFI_SUCCESS - Get an array of EFI_HII_PROTOCOL instances successfully.
+ EFI_INVALID_PARAMETER - Hii is NULL.
+ EFI_NOT_FOUND - Database not found.
+
+--*/
+{
+ UINT16 TempBufferLength;
+ EFI_STATUS Status;
+
+ TempBufferLength = 0;
+
+ //
+ // Try to find the actual buffer size for HiiHandle Buffer.
+ //
+ Status = Hii->FindHandles (Hii, &TempBufferLength, *HiiHandleBuffer);
+
+ if (Status == EFI_BUFFER_TOO_SMALL) {
+ *HiiHandleBuffer = AllocateZeroPool (TempBufferLength);
+ Status = Hii->FindHandles (Hii, &TempBufferLength, *HiiHandleBuffer);
+ //
+ // we should not fail here.
+ //
+ ASSERT_EFI_ERROR (Status);
+ }
+
+ *HandleBufferLength = TempBufferLength;
+
+ return Status;
+
+}
diff --git a/EdkModulePkg/Library/EdkGenericBdsLib/DevicePath.c b/EdkModulePkg/Library/EdkGenericBdsLib/DevicePath.c new file mode 100644 index 0000000000..1bb7d70b10 --- /dev/null +++ b/EdkModulePkg/Library/EdkGenericBdsLib/DevicePath.c @@ -0,0 +1,1040 @@ +/*++
+
+Copyright (c) 2006, Intel Corporation
+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.
+
+Module Name:
+
+ DevicePath.c
+
+Abstract:
+
+ BDS internal function define the default device path string, it can be
+ replaced by platform device path.
+
+--*/
+
+
+#ifdef TIANO_EXTENSION_FLAG
+EFI_GUID UnknownDeviceGuid = UNKNOWN_DEVICE_GUID;
+#endif
+
+EFI_GUID mEfiUnixThunkProtocolGuid = EFI_UNIX_THUNK_PROTOCOL_GUID;
+EFI_GUID mEfiUnixUgaGuid = EFI_UNIX_UGA_GUID;
+EFI_GUID mEfiMsgPcAnsiGuid = DEVICE_PATH_MESSAGING_PC_ANSI;
+EFI_GUID mEfiMsgVt100Guid = DEVICE_PATH_MESSAGING_VT_100;
+EFI_GUID mEfiMsgVt100PlusGuid = DEVICE_PATH_MESSAGING_VT_100_PLUS;
+EFI_GUID mEfiMsgVt100Utf8Guid = DEVICE_PATH_MESSAGING_VT_UTF8;
+
+VOID *
+ReallocatePool (
+ IN VOID *OldPool,
+ IN UINTN OldSize,
+ IN UINTN NewSize
+ )
+/*++
+
+Routine Description:
+
+ Adjusts the size of a previously allocated buffer.
+
+Arguments:
+
+ OldPool - A pointer to the buffer whose size is being adjusted.
+
+ OldSize - The size of the current buffer.
+
+ NewSize - The size of the new buffer.
+
+Returns:
+
+ EFI_SUCEESS - The requested number of bytes were allocated.
+
+ EFI_OUT_OF_RESOURCES - The pool requested could not be allocated.
+
+ EFI_INVALID_PARAMETER - The buffer was invalid.
+
+--*/
+{
+ VOID *NewPool;
+
+ NewPool = NULL;
+ if (NewSize) {
+ NewPool = AllocateZeroPool (NewSize);
+ }
+
+ if (OldPool) {
+ if (NewPool) {
+ CopyMem (NewPool, OldPool, OldSize < NewSize ? OldSize : NewSize);
+ }
+
+ gBS->FreePool (OldPool);
+ }
+
+ return NewPool;
+}
+
+CHAR16 *
+CatPrint (
+ IN OUT POOL_PRINT *Str,
+ IN CHAR16 *fmt,
+ ...
+ )
+/*++
+
+Routine Description:
+
+ Concatenates a formatted unicode string to allocated pool.
+ The caller must free the resulting buffer.
+
+Arguments:
+
+ Str - Tracks the allocated pool, size in use, and
+ amount of pool allocated.
+
+ fmt - The format string
+
+Returns:
+
+ Allocated buffer with the formatted string printed in it.
+ The caller must free the allocated buffer. The buffer
+ allocation is not packed.
+
+--*/
+{
+ UINT16 *AppendStr;
+ VA_LIST args;
+ UINTN strsize;
+
+ 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) {
+ strsize = StrSize (AppendStr);
+ Str->str = AllocateZeroPool (strsize);
+ ASSERT (Str->str != NULL);
+ } else {
+ strsize = StrSize (AppendStr) + StrSize (Str->str) - sizeof (UINT16);
+ Str->str = ReallocatePool (
+ Str->str,
+ StrSize (Str->str),
+ strsize
+ );
+ ASSERT (Str->str != NULL);
+ }
+
+ Str->maxlen = MAX_CHAR * sizeof (UINT16);
+ if (strsize < Str->maxlen) {
+ StrCat (Str->str, AppendStr);
+ Str->len = strsize - sizeof (UINT16);
+ }
+
+ gBS->FreePool (AppendStr);
+ return Str->str;
+}
+
+EFI_DEVICE_PATH_PROTOCOL *
+BdsLibUnpackDevicePath (
+ IN EFI_DEVICE_PATH_PROTOCOL *DevPath
+ )
+/*++
+
+Routine Description:
+
+ Function unpacks a device path data structure so that all the nodes
+ of a device path are naturally aligned.
+
+Arguments:
+
+ DevPath - A pointer to a device path data structure
+
+Returns:
+
+ If the memory for the device path is successfully allocated, then a
+ pointer to the new device path is returned. Otherwise, NULL is returned.
+
+--*/
+{
+ EFI_DEVICE_PATH_PROTOCOL *Src;
+ EFI_DEVICE_PATH_PROTOCOL *Dest;
+ EFI_DEVICE_PATH_PROTOCOL *NewPath;
+ UINTN Size;
+
+ //
+ // Walk device path and round sizes to valid boundries
+ //
+ Src = DevPath;
+ Size = 0;
+ for (;;) {
+ Size += DevicePathNodeLength (Src);
+ Size += ALIGN_SIZE (Size);
+
+ if (IsDevicePathEnd (Src)) {
+ break;
+ }
+
+ Src = NextDevicePathNode (Src);
+ }
+ //
+ // Allocate space for the unpacked path
+ //
+ NewPath = AllocateZeroPool (Size);
+ if (NewPath) {
+
+ ASSERT (((UINTN) NewPath) % MIN_ALIGNMENT_SIZE == 0);
+
+ //
+ // Copy each node
+ //
+ Src = DevPath;
+ Dest = NewPath;
+ for (;;) {
+ Size = DevicePathNodeLength (Src);
+ CopyMem (Dest, Src, Size);
+ Size += ALIGN_SIZE (Size);
+ SetDevicePathNodeLength (Dest, Size);
+ Dest->Type |= EFI_DP_TYPE_UNPACKED;
+ Dest = (EFI_DEVICE_PATH_PROTOCOL *) (((UINT8 *) Dest) + Size);
+
+ if (IsDevicePathEnd (Src)) {
+ break;
+ }
+
+ Src = NextDevicePathNode (Src);
+ }
+ }
+
+ return NewPath;
+}
+
+VOID
+DevPathPci (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath
+ )
+{
+ PCI_DEVICE_PATH *Pci;
+
+ Pci = DevPath;
+ CatPrint (Str, L"Pci(%x|%x)", Pci->Device, Pci->Function);
+}
+
+VOID
+DevPathPccard (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath
+ )
+{
+ PCCARD_DEVICE_PATH *Pccard;
+
+ Pccard = DevPath;
+ CatPrint (Str, L"Pcmcia(Function%x)", Pccard->FunctionNumber);
+}
+
+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
+ );
+}
+
+VOID
+DevPathController (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath
+ )
+{
+ CONTROLLER_DEVICE_PATH *Controller;
+
+ Controller = DevPath;
+ CatPrint (Str, L"Ctrl(%d)", Controller->ControllerNumber);
+}
+
+VOID
+DevPathVendor (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath
+ )
+/*++
+
+Routine Description:
+
+ Convert Vendor device path to device name
+
+Arguments:
+
+ Str - The buffer store device name
+ DevPath - Pointer to vendor device path
+
+Returns:
+
+ When it return, the device name have been stored in *Str.
+
+--*/
+{
+ VENDOR_DEVICE_PATH *Vendor;
+ CHAR16 *Type;
+ INT32 *Temp;
+
+ Vendor = DevPath;
+ Temp = (INT32 *) (&Vendor->Guid);
+
+ switch (DevicePathType (&Vendor->Header)) {
+ case HARDWARE_DEVICE_PATH:
+ //
+ // If the device is an Unix device, we will give it a readable device name.
+ //
+ if (CompareGuid (&Vendor->Guid, &mEfiUnixThunkProtocolGuid)) {
+ CatPrint (Str, L"%s", L"UnixBus");
+ return ;
+ } else if (CompareGuid (&Vendor->Guid, &mEfiUnixUgaGuid)) {
+ CatPrint (Str, L"%s", L"UGA");
+ return ;
+ } else {
+ Type = L"Hw";
+ break;
+ }
+
+ case MESSAGING_DEVICE_PATH:
+ //
+ // If the device is an Unix device, we will give it a readable device name.
+ //
+ if (CompareGuid (&Vendor->Guid, &mEfiMsgPcAnsiGuid)) {
+ CatPrint (Str, L"%s", L"PC-ANSI");
+ return ;
+ } else if (CompareGuid (&Vendor->Guid, &mEfiMsgVt100Guid)) {
+ CatPrint (Str, L"%s", L"VT100");
+ return ;
+ } else if (CompareGuid (&Vendor->Guid, &mEfiMsgVt100PlusGuid)) {
+ CatPrint (Str, L"%s", L"VT100+");
+ return ;
+ } else if (CompareGuid (&Vendor->Guid, &mEfiMsgVt100Utf8Guid)) {
+ CatPrint (Str, L"%s", L"VT100-UTF8");
+ return ;
+ } else {
+ Type = L"Msg";
+ break;
+ }
+
+ case MEDIA_DEVICE_PATH:
+ Type = L"Media";
+ break;
+
+ default:
+ Type = L"?";
+ break;
+ }
+
+ CatPrint (Str, L"Ven%s(%g)", Type, &Vendor->Guid);
+}
+
+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)", EISA_ID_TO_NUM (Acpi->HID), Acpi->UID);
+ } else {
+ CatPrint (Str, L"Acpi(%08x,%x)", Acpi->HID, Acpi->UID);
+ }
+}
+
+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"
+ );
+}
+
+VOID
+DevPathScsi (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath
+ )
+{
+ SCSI_DEVICE_PATH *Scsi;
+
+ Scsi = DevPath;
+ CatPrint (Str, L"Scsi(Pun%x,Lun%x)", Scsi->Pun, Scsi->Lun);
+}
+
+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);
+}
+
+VOID
+DevPath1394 (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath
+ )
+{
+ F1394_DEVICE_PATH *F1394;
+
+ F1394 = DevPath;
+ CatPrint (Str, L"1394(%g)", &F1394->Guid);
+}
+
+VOID
+DevPathUsb (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath
+ )
+{
+ USB_DEVICE_PATH *Usb;
+
+ Usb = DevPath;
+ CatPrint (Str, L"Usb(%x, %x)", Usb->ParentPortNumber, Usb->InterfaceNumber);
+}
+
+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)",
+ UsbClass->VendorId,
+ UsbClass->ProductId,
+ UsbClass->DeviceClass,
+ UsbClass->DeviceSubClass,
+ UsbClass->DeviceProtocol
+ );
+}
+
+VOID
+DevPathI2O (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath
+ )
+{
+ I2O_DEVICE_PATH *I2O;
+
+ I2O = DevPath;
+ CatPrint (Str, L"I2O(%x)", I2O->Tid);
+}
+
+VOID
+DevPathMacAddr (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath
+ )
+{
+ MAC_ADDR_DEVICE_PATH *MAC;
+ UINTN HwAddressSize;
+ UINTN Index;
+
+ MAC = DevPath;
+
+ HwAddressSize = sizeof (EFI_MAC_ADDRESS);
+ if (MAC->IfType == 0x01 || MAC->IfType == 0x00) {
+ HwAddressSize = 6;
+ }
+
+ CatPrint (Str, L"Mac(");
+
+ for (Index = 0; Index < HwAddressSize; Index++) {
+ CatPrint (Str, L"%02x", MAC->MacAddress.Addr[Index]);
+ }
+
+ CatPrint (Str, L")");
+}
+
+VOID
+DevPathIPv4 (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath
+ )
+{
+ IPv4_DEVICE_PATH *IP;
+
+ IP = DevPath;
+ CatPrint (
+ Str,
+ L"IPv4(%d.%d.%d.%d:%d)",
+ IP->RemoteIpAddress.Addr[0],
+ IP->RemoteIpAddress.Addr[1],
+ IP->RemoteIpAddress.Addr[2],
+ IP->RemoteIpAddress.Addr[3],
+ IP->RemotePort
+ );
+}
+
+VOID
+DevPathIPv6 (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath
+ )
+{
+ IPv6_DEVICE_PATH *IP;
+
+ IP = DevPath;
+ CatPrint (Str, L"IP-v6(not-done)");
+}
+
+VOID
+DevPathInfiniBand (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath
+ )
+{
+ INFINIBAND_DEVICE_PATH *InfiniBand;
+
+ InfiniBand = DevPath;
+ CatPrint (Str, L"InfiniBand(not-done)");
+}
+
+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", 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;
+ }
+}
+
+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)",
+ Hd->PartitionNumber,
+ *((UINT32 *) (&(Hd->Signature[0])))
+ );
+ break;
+
+ case SIGNATURE_TYPE_GUID:
+ CatPrint (
+ Str,
+ L"HD(Part%d,Sig%g)",
+ Hd->PartitionNumber,
+ (EFI_GUID *) &(Hd->Signature[0])
+ );
+ break;
+
+ default:
+ CatPrint (
+ Str,
+ L"HD(Part%d,MBRType=%02x,SigType=%02x)",
+ Hd->PartitionNumber,
+ Hd->MBRType,
+ Hd->SignatureType
+ );
+ break;
+ }
+}
+
+VOID
+DevPathCDROM (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath
+ )
+{
+ CDROM_DEVICE_PATH *Cd;
+
+ Cd = DevPath;
+ CatPrint (Str, L"CDROM(Entry%x)", Cd->BootEntry);
+}
+
+VOID
+DevPathFilePath (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath
+ )
+{
+ FILEPATH_DEVICE_PATH *Fp;
+
+ Fp = DevPath;
+ CatPrint (Str, L"%s", Fp->PathName);
+}
+
+VOID
+DevPathMediaProtocol (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath
+ )
+{
+ MEDIA_PROTOCOL_DEVICE_PATH *MediaProt;
+
+ MediaProt = DevPath;
+ CatPrint (Str, L"%g", &MediaProt->Protocol);
+}
+
+VOID
+DevPathFvFilePath (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath
+ )
+{
+ MEDIA_FW_VOL_FILEPATH_DEVICE_PATH *FvFilePath;
+
+ FvFilePath = DevPath;
+ CatPrint (Str, L"%g", &FvFilePath->NameGuid);
+}
+
+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;
+
+ default:
+ Type = L"?";
+ break;
+ }
+ //
+ // Since current Print function hasn't implemented %a (for ansi string)
+ // we will only print Unicode strings.
+ //
+ CatPrint (Str, L"Legacy-%s", Type);
+}
+
+VOID
+DevPathEndInstance (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath
+ )
+{
+ CatPrint (Str, L",");
+}
+
+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
+ }, + { + 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_CLASS_DP,
+ DevPathUsbClass
+ }, + { + 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
+ }, + { + 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
+ }, +
+#if (EFI_SPECIFICATION_VERSION < 0x00020000)
+ { + MEDIA_DEVICE_PATH,
+ MEDIA_FV_FILEPATH_DP,
+ DevPathFvFilePath
+ }, +#endif
+
+ { + BBS_DEVICE_PATH,
+ BBS_BBS_DP,
+ DevPathBssBss
+ }, + { + END_DEVICE_PATH_TYPE,
+ END_INSTANCE_DEVICE_PATH_SUBTYPE,
+ DevPathEndInstance
+ }, + { + 0,
+ 0,
+ NULL
+ } +};
+
+CHAR16 *
+DevicePathToStr (
+ IN EFI_DEVICE_PATH_PROTOCOL *DevPath
+ )
+/*++
+
+ Turns the Device Path into a printable string. Allcoates
+ the string from pool. The caller must SafeFreePool the returned
+ string.
+
+--*/
+{
+ POOL_PRINT Str;
+ EFI_DEVICE_PATH_PROTOCOL *DevPathNode;
+ VOID (*DumpNode) (POOL_PRINT *, VOID *);
+
+ UINTN Index;
+ UINTN NewSize;
+
+ ZeroMem (&Str, sizeof (Str));
+
+ if (DevPath == NULL) {
+ goto Done;
+ }
+ //
+ // Unpacked the device path
+ //
+ DevPath = BdsLibUnpackDevicePath (DevPath);
+ ASSERT (DevPath);
+
+ //
+ // 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);
+ }
+ //
+ // Shrink pool used for string allocation
+ //
+ gBS->FreePool (DevPath);
+
+Done:
+ NewSize = (Str.len + 1) * sizeof (CHAR16);
+ Str.str = ReallocatePool (Str.str, NewSize, NewSize);
+ ASSERT (Str.str != NULL);
+ Str.str[Str.len] = 0;
+ return Str.str;
+}
+
+EFI_DEVICE_PATH_PROTOCOL *
+LibDuplicateDevicePathInstance (
+ IN EFI_DEVICE_PATH_PROTOCOL *DevPath
+ )
+/*++
+
+Routine Description:
+
+ Function creates a device path data structure that identically matches the
+ device path passed in.
+
+Arguments:
+
+ DevPath - A pointer to a device path data structure.
+
+Returns:
+
+ The new copy of DevPath is created to identically match the input.
+ Otherwise, NULL is returned.
+
+--*/
+{
+ EFI_DEVICE_PATH_PROTOCOL *NewDevPath;
+ EFI_DEVICE_PATH_PROTOCOL *DevicePathInst;
+ EFI_DEVICE_PATH_PROTOCOL *Temp;
+ UINTN Size;
+
+ //
+ // get the size of an instance from the input
+ //
+ Temp = DevPath;
+ DevicePathInst = GetNextDevicePathInstance (&Temp, &Size);
+
+ //
+ // Make a copy
+ //
+ NewDevPath = NULL;
+ if (Size) {
+ NewDevPath = AllocateZeroPool (Size);
+ ASSERT (NewDevPath != NULL);
+ }
+
+ if (NewDevPath) {
+ CopyMem (NewDevPath, DevicePathInst, Size);
+ }
+
+ return NewDevPath;
+}
diff --git a/EdkModulePkg/Library/EdkGenericBdsLib/EdkGenericBdsLib.msa b/EdkModulePkg/Library/EdkGenericBdsLib/EdkGenericBdsLib.msa new file mode 100644 index 0000000000..2944bb263d --- /dev/null +++ b/EdkModulePkg/Library/EdkGenericBdsLib/EdkGenericBdsLib.msa @@ -0,0 +1,113 @@ +<?xml version="1.0" encoding="UTF-8"?>
+<ModuleSurfaceArea xmlns="http://www.TianoCore.org/2006/Edk2.0">
+ <MsaHeader>
+ <ModuleName>EdkGenericBdsLib</ModuleName>
+ <ModuleType>DXE_DRIVER</ModuleType>
+ <GuidValue>f3aaea62-8985-11db-baff-0040d02b1835</GuidValue>
+ <Version>1.0</Version>
+ <Abstract>EDK Generic BDS Common APIs Library Instance.</Abstract>
+ <Description>The library instance provides common library routines help in
+ performance measurement, device path debug print, boot device selections,
+ boot device connection, console supports in BDS phase and boot from boot
+ device.
+ </Description>
+ <Copyright>Copyright (c) 2006, Intel Corporation.</Copyright>
+ <License>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.</License>
+ <Specification>FRAMEWORK_BUILD_PACKAGING_SPECIFICATION 0x00000052</Specification>
+ </MsaHeader>
+ <ModuleDefinitions>
+ <SupportedArchitectures>IA32 X64 IPF EBC</SupportedArchitectures>
+ <BinaryModule>false</BinaryModule>
+ <OutputFileBasename>EdkGenericBdsLib</OutputFileBasename>
+ </ModuleDefinitions>
+ <LibraryClassDefinitions>
+ <LibraryClass Usage="ALWAYS_PRODUCED">
+ <Keyword>EdkGenericBdsLib</Keyword>
+ </LibraryClass>
+ <LibraryClass Usage="ALWAYS_CONSUMED">
+ <Keyword>BaseLib</Keyword>
+ </LibraryClass>
+ <LibraryClass Usage="ALWAYS_CONSUMED">
+ <Keyword>UefiLib</Keyword>
+ </LibraryClass>
+ <LibraryClass Usage="ALWAYS_CONSUMED">
+ <Keyword>DxeServicesTableLib</Keyword>
+ </LibraryClass>
+ <LibraryClass Usage="ALWAYS_CONSUMED">
+ <Keyword>DebugLib</Keyword>
+ </LibraryClass>
+ <LibraryClass Usage="ALWAYS_CONSUMED">
+ <Keyword>PrintLib</Keyword>
+ </LibraryClass>
+ <LibraryClass Usage="ALWAYS_CONSUMED">
+ <Keyword>HobLib</Keyword>
+ </LibraryClass>
+ <LibraryClass Usage="ALWAYS_CONSUMED">
+ <Keyword>BaseMemoryLib</Keyword>
+ </LibraryClass>
+ <LibraryClass Usage="ALWAYS_CONSUMED">
+ <Keyword>MemoryAllocationLib</Keyword>
+ </LibraryClass>
+ <LibraryClass Usage="ALWAYS_CONSUMED">
+ <Keyword>UefiBootServicesTableLib</Keyword>
+ </LibraryClass>
+ <LibraryClass Usage="ALWAYS_CONSUMED">
+ <Keyword>UefiRuntimeServicesTableLib</Keyword>
+ </LibraryClass>
+ <LibraryClass Usage="ALWAYS_CONSUMED">
+ <Keyword>DevicePathLib</Keyword>
+ </LibraryClass>
+ <LibraryClass Usage="ALWAYS_CONSUMED">
+ <Keyword>PerformanceLib</Keyword>
+ </LibraryClass>
+ </LibraryClassDefinitions>
+ <SourceFiles>
+ <Filename>BdsBoot.c</Filename>
+ <Filename>BdsConsole.c</Filename>
+ <Filename>BdsConnect.c</Filename>
+ <Filename>DevicePath.c</Filename>
+ <Filename>Performance.h</Filename>
+ <Filename>Performance.c</Filename>
+ <Filename>BdsMisc.c</Filename>
+ <Filename SupArchList="IPF">Ipf/ShadowRom.c</Filename>
+ </SourceFiles>
+ <PackageDependencies>
+ <Package PackageGuid="5e0e9358-46b6-4ae2-8218-4ab8b9bbdcec"/>
+ <Package PackageGuid="68169ab0-d41b-4009-9060-292c253ac43d"/>
+ <Package PackageGuid="f2805c44-8985-11db-9e98-0040d02b1835"/>
+ </PackageDependencies>
+ <Protocols>
+ <Protocol Usage="ALWAYS_CONSUMED">
+ <ProtocolCName>gEfiLoadedImageProtocolGuid</ProtocolCName>
+ </Protocol>
+ <Protocol Usage="ALWAYS_CONSUMED">
+ <ProtocolCName>gEfiFirmwareVolumeProtocolGuid</ProtocolCName>
+ </Protocol>
+ <Protocol Usage="ALWAYS_CONSUMED">
+ <ProtocolCName>gEfiAcpiS3SaveProtocolGuid</ProtocolCName>
+ </Protocol>
+ <Protocol Usage="ALWAYS_CONSUMED">
+ <ProtocolCName>gEfiSimpleTextOutProtocolGuid</ProtocolCName>
+ </Protocol>
+ <Protocol Usage="ALWAYS_CONSUMED">
+ <ProtocolCName>gEfiSimpleTextInProtocolGuid</ProtocolCName>
+ </Protocol>
+ <Protocol Usage="ALWAYS_CONSUMED">
+ <ProtocolCName>gEfiSimpleNetworkProtocolGuid</ProtocolCName>
+ </Protocol>
+ </Protocols>
+ <Guids>
+ <GuidCNames Usage="ALWAYS_CONSUMED">
+ <GuidCName>gEfiShellFileGuid</GuidCName>
+ </GuidCNames>
+ </Guids>
+ <Externs>
+ <Specification>EFI_SPECIFICATION_VERSION 0x00020000</Specification>
+ <Specification>EDK_RELEASE_VERSION 0x00020000</Specification>
+ </Externs>
+</ModuleSurfaceArea> diff --git a/EdkModulePkg/Library/EdkGenericBdsLib/Ipf/ShadowRom.c b/EdkModulePkg/Library/EdkGenericBdsLib/Ipf/ShadowRom.c new file mode 100644 index 0000000000..bbd72200a2 --- /dev/null +++ b/EdkModulePkg/Library/EdkGenericBdsLib/Ipf/ShadowRom.c @@ -0,0 +1,48 @@ +/*++
+
+Copyright (c) 2006, Intel Corporation
+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.
+
+Module Name:
+
+ ShadowRom.c
+
+Abstract:
+
+ Shadow all option rom
+
+Revision History
+
+--*/
+
+UINT8 mShadowRomFlag = 0;
+
+VOID
+ShadowAllOptionRom()
+{
+ EFI_STATUS Status;
+ EFI_LEGACY_BIOS_PROTOCOL *LegacyBios;
+ //
+ // Rom shadow only do once.
+ //
+ if (mShadowRomFlag == 0) {
+ Status = gBS->LocateProtocol (
+ &gEfiLegacyBiosProtocolGuid,
+ NULL,
+ &LegacyBios
+ );
+ if (!EFI_ERROR (Status)) {
+ LegacyBios->PrepareToBootEfi (LegacyBios, NULL, NULL);
+ }
+
+ mShadowRomFlag = 1;
+ }
+
+ return ;
+}
diff --git a/EdkModulePkg/Library/EdkGenericBdsLib/Performance.c b/EdkModulePkg/Library/EdkGenericBdsLib/Performance.c new file mode 100644 index 0000000000..1d92a4d5f6 --- /dev/null +++ b/EdkModulePkg/Library/EdkGenericBdsLib/Performance.c @@ -0,0 +1,399 @@ +/*++
+
+Copyright (c) 2006, Intel Corporation
+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.
+
+Module Name:
+
+ Performance.c
+
+Abstract:
+
+ 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.
+
+--*/
+
+#include "Performance.h"
+
+VOID
+ClearDebugRegisters (
+ VOID
+ )
+{
+ //
+ // BugBug: We should not need to do this. We need to root cause this bug!!!!
+ //
+ AsmWriteDr0 (0);
+ AsmWriteDr1 (0);
+}
+
+STATIC
+VOID
+GetShortPdbFileName (
+ CHAR8 *PdbFileName,
+ CHAR8 *GaugeString
+ )
+/*++
+
+Routine Description:
+
+Arguments:
+
+Returns:
+
+--*/
+{
+ 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 ;
+}
+
+
+
+STATIC
+CHAR8 *
+GetPdbPath (
+ VOID *ImageBase
+ )
+/*++
+
+Routine Description:
+
+ Located PDB path name in PE image
+
+Arguments:
+
+ ImageBase - base of PE to search
+
+Returns:
+
+ Pointer into image at offset of PDB file name if PDB file name is found,
+ Otherwise a pointer to an empty string.
+
+--*/
+{
+ PE_COFF_LOADER_IMAGE_CONTEXT ImageContext;
+
+ ZeroMem (&ImageContext, sizeof (ImageContext));
+ ImageContext.Handle = ImageBase;
+ ImageContext.ImageRead = PeCoffLoaderImageReadFromMemory;
+
+ PeCoffLoaderGetImageInfo (&ImageContext);
+
+ return ImageContext.PdbPointer;
+}
+
+
+STATIC
+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 = GetPdbPath (Image->ImageBase);
+
+ if (PdbFileName != NULL) {
+ GetShortPdbFileName (PdbFileName, GaugeString);
+ }
+
+ return ;
+}
+
+
+
+VOID
+WriteBootToOsPerformanceData (
+ VOID
+ )
+/*++
+
+Routine Description:
+
+ Allocates a block of memory and writes performance data of booting to OS into it.
+
+Arguments:
+
+ None
+
+Returns:
+
+ None
+
+--*/
+{
+ EFI_STATUS Status;
+ EFI_CPU_ARCH_PROTOCOL *Cpu;
+ EFI_PHYSICAL_ADDRESS mAcpiLowMemoryBase;
+ UINT32 mAcpiLowMemoryLength;
+ UINT32 LimitCount;
+ PERF_HEADER mPerfHeader;
+ PERF_DATA mPerfData;
+ EFI_HANDLE *Handles;
+ UINTN NoHandles;
+ CHAR8 GaugeString[PERF_TOKEN_LENGTH];
+ UINT8 *Ptr;
+ UINT32 mIndex;
+ UINT64 Ticker;
+ UINT64 Freq;
+ UINT32 Duration;
+ UINT64 CurrentTicker;
+ UINT64 TimerPeriod;
+ UINTN LogEntryKey;
+ CONST VOID *Handle;
+ CONST CHAR8 *Token;
+ CONST CHAR8 *Module;
+ UINT64 StartTicker;
+ UINT64 EndTicker;
+
+ //
+ // Retrive time stamp count as early as possilbe
+ //
+ Ticker = AsmReadTsc ();
+
+ //
+ // Allocate a block of memory that contain performance data to OS
+ //
+ mAcpiLowMemoryBase = 0xFFFFFFFF;
+ Status = gBS->AllocatePages (
+ AllocateMaxAddress,
+ EfiReservedMemoryType,
+ 4,
+ &mAcpiLowMemoryBase
+ );
+ if (EFI_ERROR (Status)) {
+ return ;
+ }
+
+ mAcpiLowMemoryLength = EFI_PAGES_TO_SIZE(4);
+
+ Ptr = (UINT8 *) ((UINT32) mAcpiLowMemoryBase + sizeof (PERF_HEADER));
+ LimitCount = (mAcpiLowMemoryLength - sizeof (PERF_HEADER)) / sizeof (PERF_DATA);
+
+ //
+ // Initialize performance data structure
+ //
+ ZeroMem (&mPerfHeader, sizeof (PERF_HEADER));
+
+ //
+ // Get CPU frequency
+ //
+ Status = gBS->LocateProtocol (
+ &gEfiCpuArchProtocolGuid,
+ NULL,
+ (VOID **)&Cpu
+ );
+ if (EFI_ERROR (Status)) {
+ gBS->FreePages (mAcpiLowMemoryBase, 4);
+ return ;
+ }
+ //
+ // Get Cpu Frequency
+ //
+ Status = Cpu->GetTimerValue (Cpu, 0, &(CurrentTicker), &TimerPeriod);
+ if (EFI_ERROR (Status)) {
+ gBS->FreePages (mAcpiLowMemoryBase, 4);
+ return ;
+ }
+
+ Freq = DivU64x32 (1000000000000ULL, (UINTN) TimerPeriod);
+
+ mPerfHeader.CpuFreq = Freq;
+
+ //
+ // Record BDS raw performance data
+ //
+ mPerfHeader.BDSRaw = Ticker;
+
+ //
+ // Put Detailed performance data into memory
+ //
+ Handles = NULL;
+ Status = gBS->LocateHandleBuffer (
+ AllHandles,
+ NULL,
+ NULL,
+ &NoHandles,
+ &Handles
+ );
+ if (EFI_ERROR (Status)) {
+ gBS->FreePages (mAcpiLowMemoryBase, 4);
+ return ;
+ }
+ //
+ // Get DXE drivers performance
+ //
+ for (mIndex = 0; mIndex < NoHandles; mIndex++) {
+ Ticker = 0;
+ LogEntryKey = 0;
+ while ((LogEntryKey = GetPerformanceMeasurement (
+ LogEntryKey,
+ &Handle,
+ &Token,
+ &Module,
+ &StartTicker,
+ &EndTicker)) != 0) {
+ if ((Handle == Handles[mIndex]) && (StartTicker < EndTicker)) {
+ Ticker += (EndTicker - StartTicker);
+ }
+ }
+
+ Duration = (UINT32) DivU64x32 (
+ Ticker,
+ (UINT32) Freq
+ );
+
+ if (Duration > 0) {
+ ZeroMem (&mPerfData, sizeof (PERF_DATA));
+
+ GetNameFromHandle (Handles[mIndex], 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;
+ }
+ }
+ }
+
+ gBS->FreePool (Handles);
+
+ //
+ // Get inserted performance data
+ //
+ LogEntryKey = 0;
+ while ((LogEntryKey = GetPerformanceMeasurement (
+ LogEntryKey,
+ &Handle,
+ &Token,
+ &Module,
+ &StartTicker,
+ &EndTicker)) != 0) {
+ if ((Handle == NULL) && (StartTicker <= EndTicker)) {
+
+ ZeroMem (&mPerfData, sizeof (PERF_DATA));
+
+ AsciiStrnCpy (mPerfData.Token, Token, DXE_PERFORMANCE_STRING_SIZE);
+ mPerfData.Duration = (UINT32) DivU64x32 (
+ EndTicker - StartTicker,
+ (UINT32) Freq
+ );
+
+ CopyMem (Ptr, &mPerfData, sizeof (PERF_DATA));
+ Ptr += sizeof (PERF_DATA);
+
+ mPerfHeader.Count++;
+ if (mPerfHeader.Count == LimitCount) {
+ goto Done;
+ }
+ }
+ }
+
+Done:
+
+ ClearDebugRegisters ();
+
+ mPerfHeader.Signiture = 0x66726550;
+
+ //
+ // Put performance data to memory
+ //
+ CopyMem (
+ (UINT32 *) (UINT32) mAcpiLowMemoryBase,
+ &mPerfHeader,
+ sizeof (PERF_HEADER)
+ );
+
+ gRT->SetVariable (
+ L"PerfDataMemAddr",
+ &gEfiGlobalVariableGuid,
+ EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
+ sizeof (UINT32),
+ (VOID *) &mAcpiLowMemoryBase
+ );
+
+ return ;
+}
diff --git a/EdkModulePkg/Library/EdkGenericBdsLib/Performance.h b/EdkModulePkg/Library/EdkGenericBdsLib/Performance.h new file mode 100644 index 0000000000..e7f80ab2c0 --- /dev/null +++ b/EdkModulePkg/Library/EdkGenericBdsLib/Performance.h @@ -0,0 +1,55 @@ +/*++
+
+Copyright (c) 2006, Intel Corporation
+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.
+
+Module Name:
+
+ Performance.h
+
+Abstract:
+
+ This file included the performance relete function header and
+ definition.
+
+--*/
+
+#ifndef _PERF_H_
+#define _PERF_H_
+
+#define PERF_TOKEN_LENGTH 28
+#define PERF_PEI_ENTRY_MAX_NUM 50
+
+typedef struct {
+ CHAR8 Token[PERF_TOKEN_LENGTH];
+ 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;
+
+VOID
+WriteBootToOsPerformanceData (
+ VOID
+ );
+
+VOID
+ClearDebugRegisters (
+ VOID
+ );
+
+#endif
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