diff options
| author |   Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
|---|---|---|
| committer | Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
| commit | af1a266670d040d2f4083ff309d732d648afba2a (patch) | |
| tree | 2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/edk2/MdeModulePkg/Core/Pei/BootMode/BootMode.c | |
| parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) | |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/edk2/MdeModulePkg/Core/Pei/BootMode/BootMode.c')
| -rw-r--r-- | roms/edk2/MdeModulePkg/Core/Pei/BootMode/BootMode.c | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/roms/edk2/MdeModulePkg/Core/Pei/BootMode/BootMode.c b/roms/edk2/MdeModulePkg/Core/Pei/BootMode/BootMode.c new file mode 100644 index 000000000..37a49c4a4 --- /dev/null +++ b/roms/edk2/MdeModulePkg/Core/Pei/BootMode/BootMode.c @@ -0,0 +1,80 @@ +/** @file
+ This module provide function for ascertaining and updating the boot mode:
+ GetBootMode()
+ SetBootMode()
+ See PI Specification volume I, chapter 9 Boot Paths for additional information
+ on the boot mode.
+
+Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include "PeiMain.h"
+
+/**
+ This service enables PEIMs to ascertain the present value of the boot mode.
+
+ @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation.
+ @param BootMode A pointer to contain the value of the boot mode.
+
+ @retval EFI_SUCCESS The boot mode was returned successfully.
+ @retval EFI_INVALID_PARAMETER BootMode is NULL.
+
+**/
+EFI_STATUS
+EFIAPI
+PeiGetBootMode (
+ IN CONST EFI_PEI_SERVICES **PeiServices,
+ IN OUT EFI_BOOT_MODE *BootMode
+ )
+{
+ PEI_CORE_INSTANCE *PrivateData;
+ EFI_HOB_HANDOFF_INFO_TABLE *HandOffHob;
+
+
+ if (BootMode == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ PrivateData = PEI_CORE_INSTANCE_FROM_PS_THIS(PeiServices);
+
+ HandOffHob = (PrivateData->HobList.HandoffInformationTable);
+
+ *BootMode = HandOffHob->BootMode;
+
+
+ return EFI_SUCCESS;
+}
+
+
+/**
+ This service enables PEIMs to update the boot mode variable.
+
+
+ @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation.
+ @param BootMode The value of the boot mode to set.
+
+ @return EFI_SUCCESS The value was successfully updated
+
+**/
+EFI_STATUS
+EFIAPI
+PeiSetBootMode (
+ IN CONST EFI_PEI_SERVICES **PeiServices,
+ IN EFI_BOOT_MODE BootMode
+ )
+{
+ PEI_CORE_INSTANCE *PrivateData;
+ EFI_HOB_HANDOFF_INFO_TABLE *HandOffHob;
+
+
+ PrivateData = PEI_CORE_INSTANCE_FROM_PS_THIS(PeiServices);
+
+ HandOffHob = (PrivateData->HobList.HandoffInformationTable);
+
+ HandOffHob->BootMode = BootMode;
+
+
+ return EFI_SUCCESS;
+}
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