[edk2-devel] [PATCH V2 3/6] MdeModulePkg/CapsuleLib: Transfer reset data

Gao, Zhichao zhichao.gao at intel.com
Wed May 8 04:49:36 UTC 2019


From: Bret Barkelew <Bret.Barkelew at microsoft.com>

REF: https://bugzilla.tianocore.org/show_bug.cgi?id=1772

Transfer reset data start with a null sting and followed by
gEdkiiCapsuleUpdateCompleteResetGuid for capsule update.

Cc: Jian J Wang <jian.j.wang at intel.com>
Cc: Hao Wu <hao.a.wu at intel.com>
Cc: Ray Ni <ray.ni at intel.com>
Cc: Star Zeng <star.zeng at intel.com>
Cc: Liming Gao <liming.gao at intel.com>
Cc: Sean Brogan <sean.brogan at microsoft.com>
Cc: Michael Turner <Michael.Turner at microsoft.com>
Cc: Bret Barkelew <Bret.Barkelew at microsoft.com>
Signed-off-by: Zhichao Gao <zhichao.gao at intel.com>
---
 .../Library/DxeCapsuleLibFmp/DxeCapsuleLib.inf       |  4 +++-
 .../Library/DxeCapsuleLibFmp/DxeCapsuleProcessLib.c  | 12 ++++++++++--
 2 files changed, 13 insertions(+), 3 deletions(-)

diff --git a/MdeModulePkg/Library/DxeCapsuleLibFmp/DxeCapsuleLib.inf b/MdeModulePkg/Library/DxeCapsuleLibFmp/DxeCapsuleLib.inf
index 14c3d19bc3..0ad9b2827b 100644
--- a/MdeModulePkg/Library/DxeCapsuleLibFmp/DxeCapsuleLib.inf
+++ b/MdeModulePkg/Library/DxeCapsuleLibFmp/DxeCapsuleLib.inf
@@ -3,7 +3,7 @@
 #
 #  Capsule library instance for DXE_DRIVER module types.
 #
-#  Copyright (c) 2016 - 2018, Intel Corporation. All rights reserved.<BR>
+#  Copyright (c) 2016 - 2019, Intel Corporation. All rights reserved.<BR>
 #  SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 ##
@@ -47,6 +47,7 @@
   HobLib
   BmpSupportLib
   DisplayUpdateProgressLib
+  ResetSystemLib
 
 [Pcd]
   gEfiMdeModulePkgTokenSpaceGuid.PcdCapsuleMax                               ## CONSUMES
@@ -74,6 +75,7 @@
   gEfiCapsuleReportGuid
   gEfiCapsuleVendorGuid                   ## SOMETIMES_CONSUMES ## Variable:L"CapsuleUpdateData"
   gEfiEndOfDxeEventGroupGuid              ## CONSUMES ## Event
+  gEdkiiCapsuleUpdateCompleteResetGuid    ## SOMETIMES_CONSUMES
 
 [Depex]
   gEfiVariableWriteArchProtocolGuid
diff --git a/MdeModulePkg/Library/DxeCapsuleLibFmp/DxeCapsuleProcessLib.c b/MdeModulePkg/Library/DxeCapsuleLibFmp/DxeCapsuleProcessLib.c
index 5e2d2b87a8..5fb3a9af32 100644
--- a/MdeModulePkg/Library/DxeCapsuleLibFmp/DxeCapsuleProcessLib.c
+++ b/MdeModulePkg/Library/DxeCapsuleLibFmp/DxeCapsuleProcessLib.c
@@ -9,7 +9,7 @@
   ProcessCapsules(), ProcessTheseCapsules() will receive untrusted
   input and do basic validation.
 
-  Copyright (c) 2016 - 2018, Intel Corporation. All rights reserved.<BR>
+  Copyright (c) 2016 - 2019, Intel Corporation. All rights reserved.<BR>
   SPDX-License-Identifier: BSD-2-Clause-Patent
 
 **/
@@ -30,6 +30,7 @@
 #include <Library/ReportStatusCodeLib.h>
 #include <Library/CapsuleLib.h>
 #include <Library/DisplayUpdateProgressLib.h>
+#include <Library/ResetSystemLib.h>
 
 #include <IndustryStandard/WindowsUxCapsule.h>
 
@@ -514,11 +515,18 @@ DoResetSystem (
   VOID
   )
 {
+  RESET_DATA_WITH_NULL_STRING   ResetData;
+
   DEBUG((DEBUG_INFO, "Capsule Request Cold Reboot."));
 
   REPORT_STATUS_CODE(EFI_PROGRESS_CODE, (EFI_SOFTWARE | PcdGet32(PcdStatusCodeSubClassCapsule) | PcdGet32(PcdCapsuleStatusCodeResettingSystem)));
 
-  gRT->ResetSystem(EfiResetCold, EFI_SUCCESS, 0, NULL);
+  ResetData.NullString = CHAR_NULL;
+  CopyGuid (
+    (GUID *)((UINT8 *)&ResetData + OFFSET_OF (RESET_DATA_WITH_NULL_STRING, ResetGuid)),
+    &gEdkiiCapsuleUpdateCompleteResetGuid
+    );
+  gRT->ResetSystem(EfiResetCold, EFI_SUCCESS, sizeof (RESET_DATA_WITH_NULL_STRING), &ResetData);
 
   CpuDeadLoop();
 }
-- 
2.21.0.windows.1


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