[edk2-devel] [Patch V3 2/2] UefiPayloadPkg: Assign the length of UniversalPayload ExtraData

[Ni, Ray]

Reviewed-by: Ray Ni <ray.ni at intel.com>

-----Original Message-----
From: Tan, Dun <dun.tan at intel.com> 
Sent: Tuesday, July 13, 2021 3:19 PM
To: devel at edk2.groups.io
Cc: Dong, Guo <guo.dong at intel.com>; Ni, Ray <ray.ni at intel.com>; Ma, Maurice <maurice.ma at intel.com>; You, Benjamin <benjamin.you at intel.com>; Tan, Dun <dun.tan at intel.com>
Subject: [Patch V3 2/2] UefiPayloadPkg: Assign the length of UniversalPayload ExtraData

V1: Assign the length and revision of UniversalPayload ExtraData
V2: Force int to UINT16
V3: Create a local variable to hold the size of ExtraData

Cc: Guo Dong <guo.dong at intel.com>
Cc: Ray Ni <ray.ni at intel.com>
Cc: Maurice Ma <maurice.ma at intel.com>
Cc: Benjamin You <benjamin.you at intel.com>

Signed-off-by: DunTan <dun.tan at intel.com>
---
 UefiPayloadPkg/PayloadLoaderPeim/PayloadLoaderPeim.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/UefiPayloadPkg/PayloadLoaderPeim/PayloadLoaderPeim.c b/UefiPayloadPkg/PayloadLoaderPeim/PayloadLoaderPeim.c
index c619470dbb..141ce86b46 100644
--- a/UefiPayloadPkg/PayloadLoaderPeim/PayloadLoaderPeim.c
+++ b/UefiPayloadPkg/PayloadLoaderPeim/PayloadLoaderPeim.c
@@ -56,6 +56,7 @@ PeiLoadFileLoadPayload (
   UINTN                         Size;
   UINT32                        ExtraDataCount;
   UINTN                         Instance;
+  UINTN                         Length;
 
   //
   // ELF is added to file as RAW section for EDKII bootloader.
@@ -105,11 +106,14 @@ PeiLoadFileLoadPayload (
   //
   // Report the additional PLD sections through HOB.
   //
+  Length = sizeof (UNIVERSAL_PAYLOAD_EXTRA_DATA) + ExtraDataCount * sizeof (UNIVERSAL_PAYLOAD_EXTRA_DATA_ENTRY);
   ExtraData = BuildGuidHob (
                &gUniversalPayloadExtraDataGuid,
-               sizeof (UNIVERSAL_PAYLOAD_EXTRA_DATA) + ExtraDataCount * sizeof (UNIVERSAL_PAYLOAD_EXTRA_DATA_ENTRY)
+               Length
                );
   ExtraData->Count = ExtraDataCount;
+  ExtraData->Header.Revision = UNIVERSAL_PAYLOAD_EXTRA_DATA_REVISION;
+  ExtraData->Header.Length = (UINT16) Length;
   if (ExtraDataCount != 0) {
     for (ExtraDataIndex = 0, Index = 0; Index < Context.ShNum; Index++) {
       Status = GetElfSectionName (&Context, Index, &SectionName);
-- 
2.31.1.windows.1



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