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/StandaloneMmPkg/Library/StandaloneMmCoreHobLib/AArch64 | |
| parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) | |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/edk2/StandaloneMmPkg/Library/StandaloneMmCoreHobLib/AArch64')
| -rw-r--r-- | roms/edk2/StandaloneMmPkg/Library/StandaloneMmCoreHobLib/AArch64/StandaloneMmCoreHobLibInternal.c | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/roms/edk2/StandaloneMmPkg/Library/StandaloneMmCoreHobLib/AArch64/StandaloneMmCoreHobLibInternal.c b/roms/edk2/StandaloneMmPkg/Library/StandaloneMmCoreHobLib/AArch64/StandaloneMmCoreHobLibInternal.c new file mode 100644 index 000000000..3f1e0cb74 --- /dev/null +++ b/roms/edk2/StandaloneMmPkg/Library/StandaloneMmCoreHobLib/AArch64/StandaloneMmCoreHobLibInternal.c @@ -0,0 +1,58 @@ +/** @file
+ HOB Library implementation for Standalone MM Core.
+
+Copyright (c) 2006 - 2014, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2017 - 2018, ARM Limited. All rights reserved.<BR>
+
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include <PiMm.h>
+
+#include <Library/HobLib.h>
+#include <Library/DebugLib.h>
+#include <Library/BaseMemoryLib.h>
+
+#include <Guid/MemoryAllocationHob.h>
+
+//
+// Cache copy of HobList pointer.
+//
+extern VOID *gHobList;
+
+EFI_HOB_HANDOFF_INFO_TABLE*
+HobConstructor (
+ IN VOID *EfiMemoryBegin,
+ IN UINTN EfiMemoryLength,
+ IN VOID *EfiFreeMemoryBottom,
+ IN VOID *EfiFreeMemoryTop
+ )
+{
+ EFI_HOB_HANDOFF_INFO_TABLE *Hob;
+ EFI_HOB_GENERIC_HEADER *HobEnd;
+
+ Hob = EfiFreeMemoryBottom;
+ HobEnd = (EFI_HOB_GENERIC_HEADER *)(Hob+1);
+
+ Hob->Header.HobType = EFI_HOB_TYPE_HANDOFF;
+ Hob->Header.HobLength = sizeof (EFI_HOB_HANDOFF_INFO_TABLE);
+ Hob->Header.Reserved = 0;
+
+ HobEnd->HobType = EFI_HOB_TYPE_END_OF_HOB_LIST;
+ HobEnd->HobLength = sizeof (EFI_HOB_GENERIC_HEADER);
+ HobEnd->Reserved = 0;
+
+ Hob->Version = EFI_HOB_HANDOFF_TABLE_VERSION;
+ Hob->BootMode = BOOT_WITH_FULL_CONFIGURATION;
+
+ Hob->EfiMemoryTop = (UINTN)EfiMemoryBegin + EfiMemoryLength;
+ Hob->EfiMemoryBottom = (UINTN)EfiMemoryBegin;
+ Hob->EfiFreeMemoryTop = (UINTN)EfiFreeMemoryTop;
+ Hob->EfiFreeMemoryBottom = (EFI_PHYSICAL_ADDRESS)(UINTN)(HobEnd+1);
+ Hob->EfiEndOfHobList = (EFI_PHYSICAL_ADDRESS)(UINTN)HobEnd;
+
+ gHobList = Hob;
+
+ return Hob;
+}
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