[edk2-devel] [PATCH V2 2/6] MdeModulePkg/CapsuleRuntimeDxe: Transfer reset data

Gao, Zhichao zhichao.gao at intel.com
Wed May 8 04:49:35 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
gEdkiiCapsuleArmedResetGuid 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>
---
 .../CapsuleRuntimeDxe/CapsuleRuntimeDxe.inf   |  2 ++
 .../CapsuleRuntimeDxe/CapsuleService.c        | 24 ++++++++++++-------
 .../CapsuleRuntimeDxe/CapsuleService.h        |  3 ++-
 3 files changed, 19 insertions(+), 10 deletions(-)

diff --git a/MdeModulePkg/Universal/CapsuleRuntimeDxe/CapsuleRuntimeDxe.inf b/MdeModulePkg/Universal/CapsuleRuntimeDxe/CapsuleRuntimeDxe.inf
index 338577e293..43d295f5cf 100644
--- a/MdeModulePkg/Universal/CapsuleRuntimeDxe/CapsuleRuntimeDxe.inf
+++ b/MdeModulePkg/Universal/CapsuleRuntimeDxe/CapsuleRuntimeDxe.inf
@@ -62,6 +62,7 @@
   PrintLib
   BaseMemoryLib
   CacheMaintenanceLib
+  ResetSystemLib
 
 [LibraryClasses.X64]
   UefiLib
@@ -72,6 +73,7 @@
   ## SOMETIMES_PRODUCES   ## Variable:L"CapsuleLongModeBuffer" # The long mode buffer used by IA32 Capsule PEIM to call X64 CapsuleCoalesce code to handle >4GB capsule blocks
   gEfiCapsuleVendorGuid
   gEfiFmpCapsuleGuid                            ## SOMETIMES_CONSUMES   ## GUID # FMP capsule GUID
+  gEdkiiCapsuleArmedResetGuid                   ## SOMETIMES_CONSUMES
 
 [Protocols]
   gEfiCapsuleArchProtocolGuid                   ## PRODUCES
diff --git a/MdeModulePkg/Universal/CapsuleRuntimeDxe/CapsuleService.c b/MdeModulePkg/Universal/CapsuleRuntimeDxe/CapsuleService.c
index aaf819c4c6..77cfe11e00 100644
--- a/MdeModulePkg/Universal/CapsuleRuntimeDxe/CapsuleService.c
+++ b/MdeModulePkg/Universal/CapsuleRuntimeDxe/CapsuleService.c
@@ -4,7 +4,7 @@
   It installs the Capsule Architectural Protocol defined in PI1.0a to signify
   the capsule runtime services are ready.
 
-Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2006 - 2019, Intel Corporation. All rights reserved.<BR>
 SPDX-License-Identifier: BSD-2-Clause-Patent
 
 **/
@@ -63,13 +63,14 @@ UpdateCapsule (
   IN EFI_PHYSICAL_ADDRESS    ScatterGatherList OPTIONAL
   )
 {
-  UINTN                     ArrayNumber;
-  EFI_STATUS                Status;
-  EFI_CAPSULE_HEADER        *CapsuleHeader;
-  BOOLEAN                   NeedReset;
-  BOOLEAN                   InitiateReset;
-  CHAR16                    CapsuleVarName[30];
-  CHAR16                    *TempVarName;
+  UINTN                         ArrayNumber;
+  EFI_STATUS                    Status;
+  EFI_CAPSULE_HEADER            *CapsuleHeader;
+  BOOLEAN                       NeedReset;
+  BOOLEAN                       InitiateReset;
+  CHAR16                        CapsuleVarName[30];
+  CHAR16                        *TempVarName;
+  RESET_DATA_WITH_NULL_STRING   ResetData;
 
   //
   // Capsule Count can't be less than one.
@@ -210,7 +211,12 @@ UpdateCapsule (
        // will initiate a reset of the platform which is compatible with the passed-in capsule request and will
        // not return back to the caller.
        //
-       EfiResetSystem (EfiResetWarm, EFI_SUCCESS, 0, NULL);
+       ResetData.NullString = CHAR_NULL;
+       CopyGuid (
+          (GUID *)((UINT8 *)&ResetData + OFFSET_OF (RESET_DATA_WITH_NULL_STRING, ResetGuid)),
+          &gEdkiiCapsuleArmedResetGuid
+          );
+       EfiResetSystem (EfiResetWarm, EFI_SUCCESS, sizeof (RESET_DATA_WITH_NULL_STRING), &ResetData);
      }
   }
   return Status;
diff --git a/MdeModulePkg/Universal/CapsuleRuntimeDxe/CapsuleService.h b/MdeModulePkg/Universal/CapsuleRuntimeDxe/CapsuleService.h
index 069df3c750..6790810cf4 100644
--- a/MdeModulePkg/Universal/CapsuleRuntimeDxe/CapsuleService.h
+++ b/MdeModulePkg/Universal/CapsuleRuntimeDxe/CapsuleService.h
@@ -4,7 +4,7 @@
   It installs the Capsule Architectural Protocol defined in PI1.0a to signify
   the capsule runtime services are ready.
 
-  Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
+  Copyright (c) 2006 - 2019, Intel Corporation. All rights reserved.<BR>
   Copyright (c) 2018, Linaro, Ltd. All rights reserved.<BR>
 
   SPDX-License-Identifier: BSD-2-Clause-Patent
@@ -30,6 +30,7 @@
 #include <Library/BaseLib.h>
 #include <Library/PrintLib.h>
 #include <Library/BaseMemoryLib.h>
+#include <Library/ResetSystemLib.h>
 
 /**
   Create the variable to save the base address of page table and stack
-- 
2.21.0.windows.1


-=-=-=-=-=-=-=-=-=-=-=-
Groups.io Links: You receive all messages sent to this group.

View/Reply Online (#40172): https://edk2.groups.io/g/devel/message/40172
Mute This Topic: https://groups.io/mt/31540323/1813853
Group Owner: devel+owner at edk2.groups.io
Unsubscribe: https://edk2.groups.io/g/devel/unsub  [edk2-devel-archive at redhat.com]
-=-=-=-=-=-=-=-=-=-=-=-




More information about the edk2-devel-archive mailing list