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-rw-r--r--OvmfPkg/RiscVVirt/Library/PrePiHobListPointerLib/PrePiHobListPointer.c65
-rw-r--r--OvmfPkg/RiscVVirt/Library/PrePiHobListPointerLib/PrePiHobListPointerLib.inf23
2 files changed, 88 insertions, 0 deletions
diff --git a/OvmfPkg/RiscVVirt/Library/PrePiHobListPointerLib/PrePiHobListPointer.c b/OvmfPkg/RiscVVirt/Library/PrePiHobListPointerLib/PrePiHobListPointer.c
new file mode 100644
index 0000000000..a58b7aae6b
--- /dev/null
+++ b/OvmfPkg/RiscVVirt/Library/PrePiHobListPointerLib/PrePiHobListPointer.c
@@ -0,0 +1,65 @@
+/** @file
+*
+* Copyright (c) 2021, Intel Corporation. All rights reserved.<BR>
+* SPDX-License-Identifier: BSD-2-Clause-Patent
+*
+**/
+
+#include <PiPei.h>
+#include <Library/PrePiHobListPointerLib.h>
+#include <Library/DebugLib.h>
+#include <Library/HobLib.h>
+#include <Library/BaseRiscVSbiLib.h>
+
+/**
+ Returns the pointer to the HOB list.
+
+ This function returns the pointer to first HOB in the list.
+
+ @return The pointer to the HOB list.
+
+**/
+VOID *
+EFIAPI
+PrePeiGetHobList (
+ VOID
+ )
+{
+ EFI_RISCV_FIRMWARE_CONTEXT *FirmwareContext;
+
+ FirmwareContext = NULL;
+ GetFirmwareContextPointer (&FirmwareContext);
+
+ if (FirmwareContext == NULL) {
+ DEBUG ((DEBUG_ERROR, "%a: Firmware Context is NULL\n", __FUNCTION__));
+ return NULL;
+ }
+
+ return (VOID *)FirmwareContext->PrePiHobList;
+}
+
+/**
+ Updates the pointer to the HOB list.
+
+ @param HobList Hob list pointer to store
+
+**/
+EFI_STATUS
+EFIAPI
+PrePeiSetHobList (
+ IN VOID *HobList
+ )
+{
+ EFI_RISCV_FIRMWARE_CONTEXT *FirmwareContext;
+
+ FirmwareContext = NULL;
+ GetFirmwareContextPointer (&FirmwareContext);
+
+ if (FirmwareContext == NULL) {
+ DEBUG ((DEBUG_ERROR, "%a: Firmware Context is NULL\n", __FUNCTION__));
+ return EFI_NOT_READY;
+ }
+
+ FirmwareContext->PrePiHobList = HobList;
+ return EFI_SUCCESS;
+}
diff --git a/OvmfPkg/RiscVVirt/Library/PrePiHobListPointerLib/PrePiHobListPointerLib.inf b/OvmfPkg/RiscVVirt/Library/PrePiHobListPointerLib/PrePiHobListPointerLib.inf
new file mode 100644
index 0000000000..c539682e8d
--- /dev/null
+++ b/OvmfPkg/RiscVVirt/Library/PrePiHobListPointerLib/PrePiHobListPointerLib.inf
@@ -0,0 +1,23 @@
+#/** @file
+#
+# Copyright (c) 2021, Intel Corporation. All rights reserved.<BR>
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+#**/
+
+[Defines]
+ INF_VERSION = 0x0001001B
+ BASE_NAME = PrePiHobListPointerLib
+ FILE_GUID = E3FAFC60-758C-471B-A333-FE704A4C11B4
+ MODULE_TYPE = BASE
+ VERSION_STRING = 1.0
+ LIBRARY_CLASS = PrePiHobListPointerLib
+
+[Sources.RISCV64]
+ PrePiHobListPointer.c
+
+[Packages]
+ MdePkg/MdePkg.dec
+ OvmfPkg/OvmfPkg.dec
+ EmbeddedPkg/EmbeddedPkg.dec
+ UefiCpuPkg/UefiCpuPkg.dec