[edk2-devel] [edk2-platforms] [PATCH v2 1/4] BoardModulePkg: Add BIOS Info HOB
Nate DeSimone
nathaniel.l.desimone at intel.com
Thu Oct 17 06:50:47 UTC 2019
Reviewed-by: Nate DeSimone <nathaniel.l.desimone at intel.com>
-----Original Message-----
From: Agyeman, Prince <prince.agyeman at intel.com>
Sent: Tuesday, October 15, 2019 3:51 PM
To: devel at edk2.groups.io
Cc: Sinha, Ankit <ankit.sinha at intel.com>; Desimone, Nathaniel L <nathaniel.l.desimone at intel.com>; Kubacki, Michael A <michael.a.kubacki at 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 at intel.com>
Cc: Nate DeSimone <nathaniel.l.desimone at intel.com>
Cc: Kubacki Michael A <michael.a.kubacki at intel.com>
Signed-off-by: Prince Agyeman <prince.agyeman at 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
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