Re: [edk2-platforms] [PATCH v2 1/4] 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: Tuesday, October 15, 2019 3:51 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 v2 1/4] BoardModulePkg: Add BIOS Info HOB

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

Also added the BIOS Info header
file BiosInfo.h that defines the
BIOS info struct and GUID

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/Guid/BiosInfo.h    | 61 +++++++++++++++++++
 2 files changed, 64 insertions(+)
 create mode 100644 Platform/Intel/BoardModulePkg/Include/Guid/BiosInfo.h

diff --git a/Platform/Intel/BoardModulePkg/BoardModulePkg.dec b/Platform/Intel/BoardModulePkg/BoardModulePkg.dec
index f96fb09aa1..f461cc7cab 100644
--- a/Platform/Intel/BoardModulePkg/BoardModulePkg.dec
+++ b/Platform/Intel/BoardModulePkg/BoardModulePkg.dec
@@ -39,3 +39,6 @@
 [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/Guid/BiosInfo.h b/Platform/Intel/BoardModulePkg/Include/Guid/BiosInfo.h
new file mode 100644
index 0000000000..d73409ea6f
--- /dev/null
+++ b/Platform/Intel/BoardModulePkg/Include/Guid/BiosInfo.h
@@ -0,0 +1,61 @@
+/** @file
+  Definitions and GUID for BIOS INFO.
+
+  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