Re: [edk2-platforms] [PATCH 1/5] BoardModulePkg: Add bios info HOB

["Nate DeSimone" <nathaniel.l.desimone@intel.com>]

Reviewed-by: Nate DeSimone <nathaniel.l.desimone@intel.com>

-----Original Message-----
From: Agyeman, Prince <prince.agyeman@intel.com> 
Sent: Thursday, October 3, 2019 2:13 PM
To: devel@edk2.groups.io
Cc: Sinha, Ankit <ankit.sinha@intel.com>; Desimone, Nathaniel L <nathaniel.l.desimone@intel.com>; Kubacki, Michael A <michael.a.kubacki@intel.com>
Subject: [edk2-platforms] [PATCH 1/5] BoardModulePkg: Add bios info HOB

Added gBiosInfoGuid to be used to
publish BIOS information HOB which
is needed in FIT generation

Also added the Bios Info header
file BiosInfo.h

Cc: Ankit Sinha <ankit.sinha@intel.com>
Cc: Nate DeSimone <nathaniel.l.desimone@intel.com>
Cc: Kubacki Michael A <michael.a.kubacki@intel.com>

Signed-off-by: Prince Agyeman <prince.agyeman@intel.com>
---
 .../Intel/BoardModulePkg/BoardModulePkg.dec   |  3 +
 .../BoardModulePkg/Include/Library/BiosInfo.h | 62 +++++++++++++++++++
 2 files changed, 65 insertions(+)
 create mode 100644 Platform/Intel/BoardModulePkg/Include/Library/BiosInfo.h

diff --git a/Platform/Intel/BoardModulePkg/BoardModulePkg.dec b/Platform/Intel/BoardModulePkg/BoardModulePkg.dec
index 6f13945ca8..035427b2f5 100644
--- a/Platform/Intel/BoardModulePkg/BoardModulePkg.dec
+++ b/Platform/Intel/BoardModulePkg/BoardModulePkg.dec
@@ -36,3 +36,6 @@
 [Guids]
   ## Include Include/Guid/BiosId.h
   gBiosIdGuid = { 0xC3E36D09, 0x8294, 0x4b97, { 0xA8, 0x57, 0xD5, 0x28, 0x8F, 0xE3, 0x3E, 0x28 } }
+
+  ## GUID to publish BIOS information HOB  gBiosInfoGuid = { 
+ 0x09d0d15c, 0xe9f0, 0x4dfc, {0x9e, 0x0b, 0x39, 0x33, 0x1f, 0xca, 0x66, 
+ 0x85} }
diff --git a/Platform/Intel/BoardModulePkg/Include/Library/BiosInfo.h b/Platform/Intel/BoardModulePkg/Include/Library/BiosInfo.h
new file mode 100644
index 0000000000..bba1c07bff
--- /dev/null
+++ b/Platform/Intel/BoardModulePkg/Include/Library/BiosInfo.h
@@ -0,0 +1,62 @@
+/** @file
+
+  Driver for BIOS Info support.
+
+  Copyright (c) 2019, Intel Corporation. All rights reserved.<BR>
+  SPDX-License-Identifier: BSD-2-Clause-Patent **/
+
+#ifndef _BIOS_INFO_H_
+#define _BIOS_INFO_H_
+
+//
+// BIOS INFO data structure
+// This is self contained data structure for BIOS info for TXT // 
+#pragma pack (1) #define BIOS_INFO_SIGNATURE  SIGNATURE_64 ('$', 'B', 
+'I', 'O', 'S', 'I', 'F', '$') typedef struct {
+  UINT64            Signature;
+  UINT32            EntryCount;
+  UINT32            Reserved;
+//BIOS_INFO_STRUCT  Struct[EntryCount]; } BIOS_INFO_HEADER;
+
+//
+// BIOS_INFO_STRUCT attributes
+// bits[0:3] means general attributes
+// bits[4:7] means type specific attributes // #define 
+BIOS_INFO_STRUCT_ATTRIBUTE_GENERAL_EXCLUDE_FROM_FIT  0x01
+#define BIOS_INFO_STRUCT_ATTRIBUTE_MICROCODE_WHOLE_REGION    0x10
+#define BIOS_INFO_STRUCT_ATTRIBUTE_BIOS_POST_IBB             0x10
+#define BIOS_INFO_STRUCT_ATTRIBUTE_BIOS_NON_IBB              0x20
+
+typedef struct {
+  //
+  // FitTable entry type
+  //
+  UINT8    Type;
+  //
+  // BIOS_INFO_STRUCT attributes
+  //
+  UINT8    Attributes;
+  //
+  // FitTable entry version
+  //
+  UINT16   Version;
+  //
+  // FitTable entry real size
+  //
+  UINT32   Size;
+  //
+  // FitTable entry address
+  //
+  UINT64   Address;
+} BIOS_INFO_STRUCT;
+
+extern EFI_GUID  gBiosInfoGuid;
+
+#pragma pack ()
+
+#endif
--
2.19.1.windows.1