diff options
Diffstat (limited to 'MdeModulePkg/Library/UefiBootManagerLib/BmMisc.c')
| -rw-r--r-- | MdeModulePkg/Library/UefiBootManagerLib/BmMisc.c | 772 |
1 files changed, 386 insertions, 386 deletions
diff --git a/MdeModulePkg/Library/UefiBootManagerLib/BmMisc.c b/MdeModulePkg/Library/UefiBootManagerLib/BmMisc.c index 30d955111e..97d1a48cd5 100644 --- a/MdeModulePkg/Library/UefiBootManagerLib/BmMisc.c +++ b/MdeModulePkg/Library/UefiBootManagerLib/BmMisc.c @@ -1,386 +1,386 @@ -/** @file - Misc library functions. - -Copyright (c) 2011 - 2015, Intel Corporation. All rights reserved.<BR> -This program and the accompanying materials -are licensed and made available under the terms and conditions of the BSD License -which accompanies this distribution. The full text of the license may be found at -http://opensource.org/licenses/bsd-license.php - -THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, -WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. - -**/ - -#include "InternalBm.h" - -/** - Delete the instance in Multi which matches partly with Single instance - - @param Multi A pointer to a multi-instance device path data - structure. - @param Single A pointer to a single-instance device path data - structure. - - @return This function will remove the device path instances in Multi which partly - match with the Single, and return the result device path. If there is no - remaining device path as a result, this function will return NULL. - -**/ -EFI_DEVICE_PATH_PROTOCOL * -BmDelPartMatchInstance ( - IN EFI_DEVICE_PATH_PROTOCOL *Multi, - IN EFI_DEVICE_PATH_PROTOCOL *Single - ) -{ - EFI_DEVICE_PATH_PROTOCOL *Instance; - EFI_DEVICE_PATH_PROTOCOL *NewDevicePath; - EFI_DEVICE_PATH_PROTOCOL *TempNewDevicePath; - UINTN InstanceSize; - UINTN SingleDpSize; - - 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) { - - if (CompareMem (Instance, Single, MIN (SingleDpSize, InstanceSize)) != 0) { - // - // Append the device path instance which does not match with Single - // - TempNewDevicePath = NewDevicePath; - NewDevicePath = AppendDevicePathInstance (NewDevicePath, Instance); - if (TempNewDevicePath != NULL) { - FreePool(TempNewDevicePath); - } - } - FreePool(Instance); - Instance = GetNextDevicePathInstance (&Multi, &InstanceSize); - InstanceSize -= END_DEVICE_PATH_LENGTH; - } - - return NewDevicePath; -} - -/** - Function compares a device path data structure to that of all the nodes of a - second device path instance. - - @param Multi A pointer to a multi-instance device path data - structure. - @param Single A pointer to a single-instance device path data - structure. - - @retval TRUE If the Single device path is contained within Multi device path. - @retval FALSE The Single device path is not match within Multi device path. - -**/ -BOOLEAN -BmMatchDevicePaths ( - IN EFI_DEVICE_PATH_PROTOCOL *Multi, - IN EFI_DEVICE_PATH_PROTOCOL *Single - ) -{ - EFI_DEVICE_PATH_PROTOCOL *DevicePath; - EFI_DEVICE_PATH_PROTOCOL *DevicePathInst; - UINTN Size; - - if (Multi == NULL || Single == NULL) { - return FALSE; - } - - DevicePath = Multi; - DevicePathInst = GetNextDevicePathInstance (&DevicePath, &Size); - - // - // Search for the match of 'Single' in 'Multi' - // - while (DevicePathInst != NULL) { - // - // If the single device path is found in multiple device paths, - // return success - // - if (CompareMem (Single, DevicePathInst, Size) == 0) { - FreePool (DevicePathInst); - return TRUE; - } - - FreePool (DevicePathInst); - DevicePathInst = GetNextDevicePathInstance (&DevicePath, &Size); - } - - return FALSE; -} - -/** - This routine adjust the memory information for different memory type and - save them into the variables for next boot. -**/ -VOID -BmSetMemoryTypeInformationVariable ( - VOID - ) -{ - EFI_STATUS Status; - EFI_MEMORY_TYPE_INFORMATION *PreviousMemoryTypeInformation; - EFI_MEMORY_TYPE_INFORMATION *CurrentMemoryTypeInformation; - UINTN VariableSize; - UINTN Index; - UINTN Index1; - UINT32 Previous; - UINT32 Current; - UINT32 Next; - EFI_HOB_GUID_TYPE *GuidHob; - BOOLEAN MemoryTypeInformationModified; - BOOLEAN MemoryTypeInformationVariableExists; - EFI_BOOT_MODE BootMode; - - MemoryTypeInformationModified = FALSE; - MemoryTypeInformationVariableExists = FALSE; - - - BootMode = GetBootModeHob (); - // - // In BOOT_IN_RECOVERY_MODE, Variable region is not reliable. - // - if (BootMode == BOOT_IN_RECOVERY_MODE) { - return; - } - - // - // Only check the the Memory Type Information variable in the boot mode - // other than BOOT_WITH_DEFAULT_SETTINGS because the Memory Type - // Information is not valid in this boot mode. - // - if (BootMode != BOOT_WITH_DEFAULT_SETTINGS) { - VariableSize = 0; - Status = gRT->GetVariable ( - EFI_MEMORY_TYPE_INFORMATION_VARIABLE_NAME, - &gEfiMemoryTypeInformationGuid, - NULL, - &VariableSize, - NULL - ); - if (Status == EFI_BUFFER_TOO_SMALL) { - MemoryTypeInformationVariableExists = TRUE; - } - } - - // - // Retrieve the current memory usage statistics. If they are not found, then - // no adjustments can be made to the Memory Type Information variable. - // - Status = EfiGetSystemConfigurationTable ( - &gEfiMemoryTypeInformationGuid, - (VOID **) &CurrentMemoryTypeInformation - ); - if (EFI_ERROR (Status) || CurrentMemoryTypeInformation == NULL) { - return; - } - - // - // Get the Memory Type Information settings from Hob if they exist, - // PEI is responsible for getting them from variable and build a Hob to save them. - // If the previous Memory Type Information is not available, then set defaults - // - GuidHob = GetFirstGuidHob (&gEfiMemoryTypeInformationGuid); - if (GuidHob == NULL) { - // - // If Platform has not built Memory Type Info into the Hob, just return. - // - return; - } - PreviousMemoryTypeInformation = GET_GUID_HOB_DATA (GuidHob); - VariableSize = GET_GUID_HOB_DATA_SIZE (GuidHob); - - // - // Use a heuristic to adjust the Memory Type Information for the next boot - // - DEBUG ((EFI_D_INFO, "Memory Previous Current Next \n")); - DEBUG ((EFI_D_INFO, " Type Pages Pages Pages \n")); - DEBUG ((EFI_D_INFO, "====== ======== ======== ========\n")); - - for (Index = 0; PreviousMemoryTypeInformation[Index].Type != EfiMaxMemoryType; Index++) { - - for (Index1 = 0; CurrentMemoryTypeInformation[Index1].Type != EfiMaxMemoryType; Index1++) { - if (PreviousMemoryTypeInformation[Index].Type == CurrentMemoryTypeInformation[Index1].Type) { - break; - } - } - if (CurrentMemoryTypeInformation[Index1].Type == EfiMaxMemoryType) { - continue; - } - - // - // Previous is the number of pages pre-allocated - // Current is the number of pages actually needed - // - Previous = PreviousMemoryTypeInformation[Index].NumberOfPages; - Current = CurrentMemoryTypeInformation[Index1].NumberOfPages; - Next = Previous; - - // - // Inconsistent Memory Reserved across bootings may lead to S4 fail - // Write next varible to 125% * current when the pre-allocated memory is: - // 1. More than 150% of needed memory and boot mode is BOOT_WITH_DEFAULT_SETTING - // 2. Less than the needed memory - // - if ((Current + (Current >> 1)) < Previous) { - if (BootMode == BOOT_WITH_DEFAULT_SETTINGS) { - Next = Current + (Current >> 2); - } - } else if (Current > Previous) { - Next = Current + (Current >> 2); - } - if (Next > 0 && Next < 4) { - Next = 4; - } - - if (Next != Previous) { - PreviousMemoryTypeInformation[Index].NumberOfPages = Next; - MemoryTypeInformationModified = TRUE; - } - - DEBUG ((EFI_D_INFO, " %02x %08x %08x %08x\n", PreviousMemoryTypeInformation[Index].Type, Previous, Current, Next)); - } - - // - // If any changes were made to the Memory Type Information settings, then set the new variable value; - // Or create the variable in first boot. - // - if (MemoryTypeInformationModified || !MemoryTypeInformationVariableExists) { - Status = BmSetVariableAndReportStatusCodeOnError ( - EFI_MEMORY_TYPE_INFORMATION_VARIABLE_NAME, - &gEfiMemoryTypeInformationGuid, - EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS, - VariableSize, - PreviousMemoryTypeInformation - ); - - if (!EFI_ERROR (Status)) { - // - // If the Memory Type Information settings have been modified, then reset the platform - // so the new Memory Type Information setting will be used to guarantee that an S4 - // entry/resume cycle will not fail. - // - if (MemoryTypeInformationModified) { - DEBUG ((EFI_D_INFO, "Memory Type Information settings change. Warm Reset!!!\n")); - gRT->ResetSystem (EfiResetWarm, EFI_SUCCESS, 0, NULL); - } - } else { - DEBUG ((EFI_D_ERROR, "Memory Type Information settings cannot be saved. OS S4 may fail!\n")); - } - } -} - -/** - Set the variable and report the error through status code upon failure. - - @param VariableName A Null-terminated string that is the name of the vendor's variable. - Each VariableName is unique for each VendorGuid. VariableName must - contain 1 or more characters. If VariableName is an empty string, - then EFI_INVALID_PARAMETER is returned. - @param VendorGuid A unique identifier for the vendor. - @param Attributes Attributes bitmask to set for the variable. - @param DataSize The size in bytes of the Data buffer. Unless the EFI_VARIABLE_APPEND_WRITE, - EFI_VARIABLE_AUTHENTICATED_WRITE_ACCESS, or - EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS attribute is set, a size of zero - causes the variable to be deleted. When the EFI_VARIABLE_APPEND_WRITE attribute is - set, then a SetVariable() call with a DataSize of zero will not cause any change to - the variable value (the timestamp associated with the variable may be updated however - even if no new data value is provided,see the description of the - EFI_VARIABLE_AUTHENTICATION_2 descriptor below. In this case the DataSize will not - be zero since the EFI_VARIABLE_AUTHENTICATION_2 descriptor will be populated). - @param Data The contents for the variable. - - @retval EFI_SUCCESS The firmware has successfully stored the variable and its data as - defined by the Attributes. - @retval EFI_INVALID_PARAMETER An invalid combination of attribute bits, name, and GUID was supplied, or the - DataSize exceeds the maximum allowed. - @retval EFI_INVALID_PARAMETER VariableName is an empty string. - @retval EFI_OUT_OF_RESOURCES Not enough storage is available to hold the variable and its data. - @retval EFI_DEVICE_ERROR The variable could not be retrieved due to a hardware error. - @retval EFI_WRITE_PROTECTED The variable in question is read-only. - @retval EFI_WRITE_PROTECTED The variable in question cannot be deleted. - @retval EFI_SECURITY_VIOLATION The variable could not be written due to EFI_VARIABLE_AUTHENTICATED_WRITE_ACCESS - or EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACESS being set, but the AuthInfo - does NOT pass the validation check carried out by the firmware. - - @retval EFI_NOT_FOUND The variable trying to be updated or deleted was not found. -**/ -EFI_STATUS -BmSetVariableAndReportStatusCodeOnError ( - IN CHAR16 *VariableName, - IN EFI_GUID *VendorGuid, - IN UINT32 Attributes, - IN UINTN DataSize, - IN VOID *Data - ) -{ - EFI_STATUS Status; - EDKII_SET_VARIABLE_STATUS *SetVariableStatus; - UINTN NameSize; - - Status = gRT->SetVariable ( - VariableName, - VendorGuid, - Attributes, - DataSize, - Data - ); - if (EFI_ERROR (Status)) { - NameSize = StrSize (VariableName); - SetVariableStatus = AllocatePool (sizeof (EDKII_SET_VARIABLE_STATUS) + NameSize + DataSize); - if (SetVariableStatus != NULL) { - CopyGuid (&SetVariableStatus->Guid, VendorGuid); - SetVariableStatus->NameSize = NameSize; - SetVariableStatus->DataSize = DataSize; - SetVariableStatus->SetStatus = Status; - SetVariableStatus->Attributes = Attributes; - CopyMem (SetVariableStatus + 1, VariableName, NameSize); - CopyMem (((UINT8 *) (SetVariableStatus + 1)) + NameSize, Data, DataSize); - - REPORT_STATUS_CODE_EX ( - EFI_ERROR_CODE, - PcdGet32 (PcdErrorCodeSetVariable), - 0, - NULL, - &gEdkiiStatusCodeDataTypeVariableGuid, - SetVariableStatus, - sizeof (EDKII_SET_VARIABLE_STATUS) + NameSize + DataSize - ); - - FreePool (SetVariableStatus); - } - } - - return Status; -} - - -/** - Print the device path info. - - @param DevicePath The device path need to print. -**/ -VOID -BmPrintDp ( - EFI_DEVICE_PATH_PROTOCOL *DevicePath - ) -{ - CHAR16 *Str; - - Str = ConvertDevicePathToText (DevicePath, FALSE, FALSE); - DEBUG ((EFI_D_INFO, "%s", Str)); - if (Str != NULL) { - FreePool (Str); - } -} +/** @file
+ Misc library functions.
+
+Copyright (c) 2011 - 2015, Intel Corporation. All rights reserved.<BR>
+This program and the accompanying materials
+are licensed and made available under the terms and conditions of the BSD License
+which accompanies this distribution. The full text of the license may be found at
+http://opensource.org/licenses/bsd-license.php
+
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#include "InternalBm.h"
+
+/**
+ Delete the instance in Multi which matches partly with Single instance
+
+ @param Multi A pointer to a multi-instance device path data
+ structure.
+ @param Single A pointer to a single-instance device path data
+ structure.
+
+ @return This function will remove the device path instances in Multi which partly
+ match with the Single, and return the result device path. If there is no
+ remaining device path as a result, this function will return NULL.
+
+**/
+EFI_DEVICE_PATH_PROTOCOL *
+BmDelPartMatchInstance (
+ IN EFI_DEVICE_PATH_PROTOCOL *Multi,
+ IN EFI_DEVICE_PATH_PROTOCOL *Single
+ )
+{
+ EFI_DEVICE_PATH_PROTOCOL *Instance;
+ EFI_DEVICE_PATH_PROTOCOL *NewDevicePath;
+ EFI_DEVICE_PATH_PROTOCOL *TempNewDevicePath;
+ UINTN InstanceSize;
+ UINTN SingleDpSize;
+
+ 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) {
+
+ if (CompareMem (Instance, Single, MIN (SingleDpSize, InstanceSize)) != 0) {
+ //
+ // Append the device path instance which does not match with Single
+ //
+ TempNewDevicePath = NewDevicePath;
+ NewDevicePath = AppendDevicePathInstance (NewDevicePath, Instance);
+ if (TempNewDevicePath != NULL) {
+ FreePool(TempNewDevicePath);
+ }
+ }
+ FreePool(Instance);
+ Instance = GetNextDevicePathInstance (&Multi, &InstanceSize);
+ InstanceSize -= END_DEVICE_PATH_LENGTH;
+ }
+
+ return NewDevicePath;
+}
+
+/**
+ Function compares a device path data structure to that of all the nodes of a
+ second device path instance.
+
+ @param Multi A pointer to a multi-instance device path data
+ structure.
+ @param Single A pointer to a single-instance device path data
+ structure.
+
+ @retval TRUE If the Single device path is contained within Multi device path.
+ @retval FALSE The Single device path is not match within Multi device path.
+
+**/
+BOOLEAN
+BmMatchDevicePaths (
+ IN EFI_DEVICE_PATH_PROTOCOL *Multi,
+ IN EFI_DEVICE_PATH_PROTOCOL *Single
+ )
+{
+ EFI_DEVICE_PATH_PROTOCOL *DevicePath;
+ EFI_DEVICE_PATH_PROTOCOL *DevicePathInst;
+ UINTN Size;
+
+ if (Multi == NULL || Single == NULL) {
+ return FALSE;
+ }
+
+ DevicePath = Multi;
+ DevicePathInst = GetNextDevicePathInstance (&DevicePath, &Size);
+
+ //
+ // Search for the match of 'Single' in 'Multi'
+ //
+ while (DevicePathInst != NULL) {
+ //
+ // If the single device path is found in multiple device paths,
+ // return success
+ //
+ if (CompareMem (Single, DevicePathInst, Size) == 0) {
+ FreePool (DevicePathInst);
+ return TRUE;
+ }
+
+ FreePool (DevicePathInst);
+ DevicePathInst = GetNextDevicePathInstance (&DevicePath, &Size);
+ }
+
+ return FALSE;
+}
+
+/**
+ This routine adjust the memory information for different memory type and
+ save them into the variables for next boot.
+**/
+VOID
+BmSetMemoryTypeInformationVariable (
+ VOID
+ )
+{
+ EFI_STATUS Status;
+ EFI_MEMORY_TYPE_INFORMATION *PreviousMemoryTypeInformation;
+ EFI_MEMORY_TYPE_INFORMATION *CurrentMemoryTypeInformation;
+ UINTN VariableSize;
+ UINTN Index;
+ UINTN Index1;
+ UINT32 Previous;
+ UINT32 Current;
+ UINT32 Next;
+ EFI_HOB_GUID_TYPE *GuidHob;
+ BOOLEAN MemoryTypeInformationModified;
+ BOOLEAN MemoryTypeInformationVariableExists;
+ EFI_BOOT_MODE BootMode;
+
+ MemoryTypeInformationModified = FALSE;
+ MemoryTypeInformationVariableExists = FALSE;
+
+
+ BootMode = GetBootModeHob ();
+ //
+ // In BOOT_IN_RECOVERY_MODE, Variable region is not reliable.
+ //
+ if (BootMode == BOOT_IN_RECOVERY_MODE) {
+ return;
+ }
+
+ //
+ // Only check the the Memory Type Information variable in the boot mode
+ // other than BOOT_WITH_DEFAULT_SETTINGS because the Memory Type
+ // Information is not valid in this boot mode.
+ //
+ if (BootMode != BOOT_WITH_DEFAULT_SETTINGS) {
+ VariableSize = 0;
+ Status = gRT->GetVariable (
+ EFI_MEMORY_TYPE_INFORMATION_VARIABLE_NAME,
+ &gEfiMemoryTypeInformationGuid,
+ NULL,
+ &VariableSize,
+ NULL
+ );
+ if (Status == EFI_BUFFER_TOO_SMALL) {
+ MemoryTypeInformationVariableExists = TRUE;
+ }
+ }
+
+ //
+ // Retrieve the current memory usage statistics. If they are not found, then
+ // no adjustments can be made to the Memory Type Information variable.
+ //
+ Status = EfiGetSystemConfigurationTable (
+ &gEfiMemoryTypeInformationGuid,
+ (VOID **) &CurrentMemoryTypeInformation
+ );
+ if (EFI_ERROR (Status) || CurrentMemoryTypeInformation == NULL) {
+ return;
+ }
+
+ //
+ // Get the Memory Type Information settings from Hob if they exist,
+ // PEI is responsible for getting them from variable and build a Hob to save them.
+ // If the previous Memory Type Information is not available, then set defaults
+ //
+ GuidHob = GetFirstGuidHob (&gEfiMemoryTypeInformationGuid);
+ if (GuidHob == NULL) {
+ //
+ // If Platform has not built Memory Type Info into the Hob, just return.
+ //
+ return;
+ }
+ PreviousMemoryTypeInformation = GET_GUID_HOB_DATA (GuidHob);
+ VariableSize = GET_GUID_HOB_DATA_SIZE (GuidHob);
+
+ //
+ // Use a heuristic to adjust the Memory Type Information for the next boot
+ //
+ DEBUG ((EFI_D_INFO, "Memory Previous Current Next \n"));
+ DEBUG ((EFI_D_INFO, " Type Pages Pages Pages \n"));
+ DEBUG ((EFI_D_INFO, "====== ======== ======== ========\n"));
+
+ for (Index = 0; PreviousMemoryTypeInformation[Index].Type != EfiMaxMemoryType; Index++) {
+
+ for (Index1 = 0; CurrentMemoryTypeInformation[Index1].Type != EfiMaxMemoryType; Index1++) {
+ if (PreviousMemoryTypeInformation[Index].Type == CurrentMemoryTypeInformation[Index1].Type) {
+ break;
+ }
+ }
+ if (CurrentMemoryTypeInformation[Index1].Type == EfiMaxMemoryType) {
+ continue;
+ }
+
+ //
+ // Previous is the number of pages pre-allocated
+ // Current is the number of pages actually needed
+ //
+ Previous = PreviousMemoryTypeInformation[Index].NumberOfPages;
+ Current = CurrentMemoryTypeInformation[Index1].NumberOfPages;
+ Next = Previous;
+
+ //
+ // Inconsistent Memory Reserved across bootings may lead to S4 fail
+ // Write next varible to 125% * current when the pre-allocated memory is:
+ // 1. More than 150% of needed memory and boot mode is BOOT_WITH_DEFAULT_SETTING
+ // 2. Less than the needed memory
+ //
+ if ((Current + (Current >> 1)) < Previous) {
+ if (BootMode == BOOT_WITH_DEFAULT_SETTINGS) {
+ Next = Current + (Current >> 2);
+ }
+ } else if (Current > Previous) {
+ Next = Current + (Current >> 2);
+ }
+ if (Next > 0 && Next < 4) {
+ Next = 4;
+ }
+
+ if (Next != Previous) {
+ PreviousMemoryTypeInformation[Index].NumberOfPages = Next;
+ MemoryTypeInformationModified = TRUE;
+ }
+
+ DEBUG ((EFI_D_INFO, " %02x %08x %08x %08x\n", PreviousMemoryTypeInformation[Index].Type, Previous, Current, Next));
+ }
+
+ //
+ // If any changes were made to the Memory Type Information settings, then set the new variable value;
+ // Or create the variable in first boot.
+ //
+ if (MemoryTypeInformationModified || !MemoryTypeInformationVariableExists) {
+ Status = BmSetVariableAndReportStatusCodeOnError (
+ EFI_MEMORY_TYPE_INFORMATION_VARIABLE_NAME,
+ &gEfiMemoryTypeInformationGuid,
+ EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS,
+ VariableSize,
+ PreviousMemoryTypeInformation
+ );
+
+ if (!EFI_ERROR (Status)) {
+ //
+ // If the Memory Type Information settings have been modified, then reset the platform
+ // so the new Memory Type Information setting will be used to guarantee that an S4
+ // entry/resume cycle will not fail.
+ //
+ if (MemoryTypeInformationModified) {
+ DEBUG ((EFI_D_INFO, "Memory Type Information settings change. Warm Reset!!!\n"));
+ gRT->ResetSystem (EfiResetWarm, EFI_SUCCESS, 0, NULL);
+ }
+ } else {
+ DEBUG ((EFI_D_ERROR, "Memory Type Information settings cannot be saved. OS S4 may fail!\n"));
+ }
+ }
+}
+
+/**
+ Set the variable and report the error through status code upon failure.
+
+ @param VariableName A Null-terminated string that is the name of the vendor's variable.
+ Each VariableName is unique for each VendorGuid. VariableName must
+ contain 1 or more characters. If VariableName is an empty string,
+ then EFI_INVALID_PARAMETER is returned.
+ @param VendorGuid A unique identifier for the vendor.
+ @param Attributes Attributes bitmask to set for the variable.
+ @param DataSize The size in bytes of the Data buffer. Unless the EFI_VARIABLE_APPEND_WRITE,
+ EFI_VARIABLE_AUTHENTICATED_WRITE_ACCESS, or
+ EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS attribute is set, a size of zero
+ causes the variable to be deleted. When the EFI_VARIABLE_APPEND_WRITE attribute is
+ set, then a SetVariable() call with a DataSize of zero will not cause any change to
+ the variable value (the timestamp associated with the variable may be updated however
+ even if no new data value is provided,see the description of the
+ EFI_VARIABLE_AUTHENTICATION_2 descriptor below. In this case the DataSize will not
+ be zero since the EFI_VARIABLE_AUTHENTICATION_2 descriptor will be populated).
+ @param Data The contents for the variable.
+
+ @retval EFI_SUCCESS The firmware has successfully stored the variable and its data as
+ defined by the Attributes.
+ @retval EFI_INVALID_PARAMETER An invalid combination of attribute bits, name, and GUID was supplied, or the
+ DataSize exceeds the maximum allowed.
+ @retval EFI_INVALID_PARAMETER VariableName is an empty string.
+ @retval EFI_OUT_OF_RESOURCES Not enough storage is available to hold the variable and its data.
+ @retval EFI_DEVICE_ERROR The variable could not be retrieved due to a hardware error.
+ @retval EFI_WRITE_PROTECTED The variable in question is read-only.
+ @retval EFI_WRITE_PROTECTED The variable in question cannot be deleted.
+ @retval EFI_SECURITY_VIOLATION The variable could not be written due to EFI_VARIABLE_AUTHENTICATED_WRITE_ACCESS
+ or EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACESS being set, but the AuthInfo
+ does NOT pass the validation check carried out by the firmware.
+
+ @retval EFI_NOT_FOUND The variable trying to be updated or deleted was not found.
+**/
+EFI_STATUS
+BmSetVariableAndReportStatusCodeOnError (
+ IN CHAR16 *VariableName,
+ IN EFI_GUID *VendorGuid,
+ IN UINT32 Attributes,
+ IN UINTN DataSize,
+ IN VOID *Data
+ )
+{
+ EFI_STATUS Status;
+ EDKII_SET_VARIABLE_STATUS *SetVariableStatus;
+ UINTN NameSize;
+
+ Status = gRT->SetVariable (
+ VariableName,
+ VendorGuid,
+ Attributes,
+ DataSize,
+ Data
+ );
+ if (EFI_ERROR (Status)) {
+ NameSize = StrSize (VariableName);
+ SetVariableStatus = AllocatePool (sizeof (EDKII_SET_VARIABLE_STATUS) + NameSize + DataSize);
+ if (SetVariableStatus != NULL) {
+ CopyGuid (&SetVariableStatus->Guid, VendorGuid);
+ SetVariableStatus->NameSize = NameSize;
+ SetVariableStatus->DataSize = DataSize;
+ SetVariableStatus->SetStatus = Status;
+ SetVariableStatus->Attributes = Attributes;
+ CopyMem (SetVariableStatus + 1, VariableName, NameSize);
+ CopyMem (((UINT8 *) (SetVariableStatus + 1)) + NameSize, Data, DataSize);
+
+ REPORT_STATUS_CODE_EX (
+ EFI_ERROR_CODE,
+ PcdGet32 (PcdErrorCodeSetVariable),
+ 0,
+ NULL,
+ &gEdkiiStatusCodeDataTypeVariableGuid,
+ SetVariableStatus,
+ sizeof (EDKII_SET_VARIABLE_STATUS) + NameSize + DataSize
+ );
+
+ FreePool (SetVariableStatus);
+ }
+ }
+
+ return Status;
+}
+
+
+/**
+ Print the device path info.
+
+ @param DevicePath The device path need to print.
+**/
+VOID
+BmPrintDp (
+ EFI_DEVICE_PATH_PROTOCOL *DevicePath
+ )
+{
+ CHAR16 *Str;
+
+ Str = ConvertDevicePathToText (DevicePath, FALSE, FALSE);
+ DEBUG ((EFI_D_INFO, "%s", Str));
+ if (Str != NULL) {
+ FreePool (Str);
+ }
+}
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