OvmfPkg/RiscVVirt: Add SEC module

Add the SEC module for RISC-V Qemu virt machine support.
It uses the PEI less design.

Cc: Ard Biesheuvel <ardb+tianocore@kernel.org>
Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Jordan Justen <jordan.l.justen@intel.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Sunil V L <sunilvl@ventanamicro.com>
Acked-by: Abner Chang <abner.chang@amd.com>
Reviewed-by: Andrei Warkentin <andrei.warkentin@intel.com>
Acked-by: Jiewen Yao <Jiewen.yao@intel.com>
Acked-by: Ard Biesheuvel <ardb@kernel.org>

OvmfPkg/RiscVVirt/Sec/SecMain.inf

@@ -0,0 +1,66 @@
+## @file
+#  SEC Driver for RISC-V
+#
+#  Copyright (c) 2022, Ventana Micro Systems Inc. All rights reserved.<BR>
+#
+#  SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+##
+
+[Defines]
+  INF_VERSION                    = 0x0001001B
+  BASE_NAME                      = SecMainRiscV64
+  FILE_GUID                      = 16740C0A-AA84-4F62-A06D-AE328057AE07
+  MODULE_TYPE                    = SEC
+  VERSION_STRING                 = 1.0
+  ENTRY_POINT                    = SecMain
+
+#
+# The following information is for reference only and not required by the build tools.
+#
+#  VALID_ARCHITECTURES           = RISCV64
+#
+
+[Sources]
+  SecEntry.S
+  SecMain.c
+  SecMain.h
+  Cpu.c
+  Memory.c
+  Platform.c
+
+[Packages]
+  MdePkg/MdePkg.dec
+  MdeModulePkg/MdeModulePkg.dec
+  UefiCpuPkg/UefiCpuPkg.dec
+  OvmfPkg/OvmfPkg.dec
+  EmbeddedPkg/EmbeddedPkg.dec
+
+[LibraryClasses]
+  BaseLib
+  DebugLib
+  PcdLib
+  IoLib
+  PeCoffLib
+  LzmaDecompressLib
+  RiscVSbiLib
+  PrePiLib
+  FdtLib
+  MemoryAllocationLib
+  HobLib
+
+[Ppis]
+  gEfiTemporaryRamSupportPpiGuid                # PPI ALWAYS_PRODUCED
+  gEfiTemporaryRamDonePpiGuid                   ## PRODUCES
+
+[Pcd]
+  gUefiOvmfPkgTokenSpaceGuid.PcdOvmfPeiMemFvBase
+  gUefiOvmfPkgTokenSpaceGuid.PcdOvmfPeiMemFvSize
+  gUefiOvmfPkgTokenSpaceGuid.PcdOvmfDxeMemFvBase
+  gUefiOvmfPkgTokenSpaceGuid.PcdOvmfDxeMemFvSize
+  gUefiOvmfPkgTokenSpaceGuid.PcdOvmfSecPeiTempRamBase
+  gUefiOvmfPkgTokenSpaceGuid.PcdOvmfSecPeiTempRamSize
+  gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFdBaseAddress
+
+[Guids]
+  gFdtHobGuid