[edk2-devel] [Patch V2 06/12] UefiPayloadPkg: Get and enter DxeCore for Universal Payload

Zhiguang Liu zhiguang.liu at intel.com
Wed Jun 23 02:52:29 UTC 2021


>From gUniversalPayloadExtraDataGuid Guid Hob, get the Dxe FV information,
and get the Dxe Core from the FV.
Also, make sure if there are muliple FV hob, the FV hob pointing to this FV
will be the first in the hob list.

Cc: Maurice Ma <maurice.ma at intel.com>
Cc: Guo Dong <guo.dong at intel.com>
Cc: Benjamin You <benjamin.you at intel.com>
Reviewed-by: Guo Dong <guo.dong at intel.com>
Signed-off-by: Zhiguang Liu <zhiguang.liu at intel.com>
---
 UefiPayloadPkg/UefiPayloadEntry/LoadDxeCore.c             | 47 +++++++++++++++++++++++++++++++++++++++++++++++
 UefiPayloadPkg/UefiPayloadEntry/UefiPayloadEntry.h        | 17 +++++++++++++++++
 UefiPayloadPkg/UefiPayloadEntry/UniversalPayloadEntry.c   | 44 ++++++++++++++++++++++++++++++++++++++++++--
 UefiPayloadPkg/UefiPayloadEntry/UniversalPayloadEntry.inf |  1 +
 UefiPayloadPkg/UefiPayloadEntry/X64/DxeLoadFunc.c         |  4 ++--
 5 files changed, 109 insertions(+), 4 deletions(-)

diff --git a/UefiPayloadPkg/UefiPayloadEntry/LoadDxeCore.c b/UefiPayloadPkg/UefiPayloadEntry/LoadDxeCore.c
index de9dbb0b0e..f5d70c59f8 100644
--- a/UefiPayloadPkg/UefiPayloadEntry/LoadDxeCore.c
+++ b/UefiPayloadPkg/UefiPayloadEntry/LoadDxeCore.c
@@ -305,3 +305,50 @@ LoadDxeCore (
 
   return EFI_SUCCESS;
 }
+
+/**
+  Find DXE core from FV and build DXE core HOBs.
+
+  @param[in]   DxeFv                 The FV where to find the DXE core.
+  @param[out]  DxeCoreEntryPoint     DXE core entry point
+
+  @retval EFI_SUCCESS        If it completed successfully.
+  @retval EFI_NOT_FOUND      If it failed to load DXE FV.
+**/
+EFI_STATUS
+UniversalLoadDxeCore (
+  IN  EFI_FIRMWARE_VOLUME_HEADER *DxeFv,
+  OUT PHYSICAL_ADDRESS           *DxeCoreEntryPoint
+  )
+{
+  EFI_STATUS                  Status;
+  EFI_FFS_FILE_HEADER         *FileHeader;
+  VOID                        *PeCoffImage;
+  EFI_PHYSICAL_ADDRESS        ImageAddress;
+  UINT64                      ImageSize;
+
+  //
+  // Find DXE core file from DXE FV
+  //
+  Status = FvFindFile (DxeFv, EFI_FV_FILETYPE_DXE_CORE, &FileHeader);
+  if (EFI_ERROR (Status)) {
+    return Status;
+  }
+
+  Status = FileFindSection (FileHeader, EFI_SECTION_PE32, (VOID **)&PeCoffImage);
+  if (EFI_ERROR (Status)) {
+    return Status;
+  }
+
+  //
+  // Get DXE core info
+  //
+  Status = LoadPeCoffImage (PeCoffImage, &ImageAddress, &ImageSize, DxeCoreEntryPoint);
+  if (EFI_ERROR (Status)) {
+    return Status;
+  }
+
+  BuildModuleHob (&FileHeader->Name, ImageAddress, EFI_SIZE_TO_PAGES ((UINT32) ImageSize) * EFI_PAGE_SIZE, *DxeCoreEntryPoint);
+
+  return EFI_SUCCESS;
+}
diff --git a/UefiPayloadPkg/UefiPayloadEntry/UefiPayloadEntry.h b/UefiPayloadPkg/UefiPayloadEntry/UefiPayloadEntry.h
index 1ad7a37023..dff7b6b87f 100644
--- a/UefiPayloadPkg/UefiPayloadEntry/UefiPayloadEntry.h
+++ b/UefiPayloadPkg/UefiPayloadEntry/UefiPayloadEntry.h
@@ -33,6 +33,8 @@
 #include <Guid/GraphicsInfoHob.h>
 #include <UniversalPayload/SmbiosTable.h>
 #include <UniversalPayload/AcpiTable.h>
+#include <UniversalPayload/UniversalPayload.h>
+#include <UniversalPayload/ExtraData.h>
 
 #define LEGACY_8259_MASK_REGISTER_MASTER  0x21
 #define LEGACY_8259_MASK_REGISTER_SLAVE   0xA1
@@ -127,6 +129,21 @@ LoadDxeCore (
   OUT PHYSICAL_ADDRESS        *DxeCoreEntryPoint
   );
 
+/**
+  Find DXE core from FV and build DXE core HOBs.
+
+  @param[in]   DxeFv                 The FV where to find the DXE core.
+  @param[out]  DxeCoreEntryPoint     DXE core entry point
+
+  @retval EFI_SUCCESS        If it completed successfully.
+  @retval EFI_NOT_FOUND      If it failed to load DXE FV.
+**/
+EFI_STATUS
+UniversalLoadDxeCore (
+  IN  EFI_FIRMWARE_VOLUME_HEADER *DxeFv,
+  OUT PHYSICAL_ADDRESS           *DxeCoreEntryPoint
+  );
+
 /**
    Transfers control to DxeCore.
 
diff --git a/UefiPayloadPkg/UefiPayloadEntry/UniversalPayloadEntry.c b/UefiPayloadPkg/UefiPayloadEntry/UniversalPayloadEntry.c
index 66e87bcb9b..9d59454486 100644
--- a/UefiPayloadPkg/UefiPayloadEntry/UniversalPayloadEntry.c
+++ b/UefiPayloadPkg/UefiPayloadEntry/UniversalPayloadEntry.c
@@ -179,7 +179,8 @@ FindAnotherHighestBelow4GResourceDescriptor (
 **/
 EFI_STATUS
 BuildHobs (
-  IN UINTN                     BootloaderParameter
+  IN  UINTN                       BootloaderParameter,
+  OUT EFI_FIRMWARE_VOLUME_HEADER  **DxeFv
   )
 {
   EFI_PEI_HOB_POINTERS             Hob;
@@ -190,6 +191,10 @@ BuildHobs (
   EFI_PHYSICAL_ADDRESS             MemoryTop;
   EFI_HOB_RESOURCE_DESCRIPTOR      *PhitResourceHob;
   EFI_HOB_RESOURCE_DESCRIPTOR      *ResourceHob;
+  UNIVERSAL_PAYLOAD_EXTRA_DATA     *ExtraData;
+  UINT8                            *GuidHob;
+  EFI_HOB_FIRMWARE_VOLUME          *FvHob;
+  UNIVERSAL_PAYLOAD_GENERIC_HEADER *GenericHeader;
 
   Hob.Raw = (UINT8 *) BootloaderParameter;
   MinimalNeededSize = FixedPcdGet32 (PcdSystemMemoryUefiRegionSize);
@@ -254,6 +259,10 @@ BuildHobs (
   // From now on, mHobList will point to the new Hob range.
   //
 
+  //
+  // Create an empty FvHob for the DXE FV that contains DXE core.
+  //
+  BuildFvHob ((EFI_PHYSICAL_ADDRESS) 0, 0);
   //
   // Since payload created new Hob, move all hobs except PHIT from boot loader hob list.
   //
@@ -265,6 +274,29 @@ BuildHobs (
     Hob.Raw = GET_NEXT_HOB (Hob);
   }
 
+  //
+  // Get DXE FV location
+  //
+  GuidHob = GetFirstGuidHob(&gUniversalPayloadExtraDataGuid);
+  ASSERT (GuidHob != NULL);
+  GenericHeader = (UNIVERSAL_PAYLOAD_GENERIC_HEADER *) GET_GUID_HOB_DATA (GuidHob);
+  ASSERT (sizeof (UNIVERSAL_PAYLOAD_GENERIC_HEADER) <= GET_GUID_HOB_DATA_SIZE (GuidHob));
+  ASSERT (GenericHeader->Length <= GET_GUID_HOB_DATA_SIZE (GuidHob));
+  ASSERT (GenericHeader->Length >= (sizeof (UNIVERSAL_PAYLOAD_EXTRA_DATA) + sizeof (UNIVERSAL_PAYLOAD_EXTRA_DATA_ENTRY)));
+  ExtraData = (UNIVERSAL_PAYLOAD_EXTRA_DATA *) GET_GUID_HOB_DATA (GuidHob);
+  ASSERT (ExtraData->Count == 1);
+  ASSERT (AsciiStrCmp (ExtraData->Entry[0].Identifier, "uefi_fv") == 0);
+
+  *DxeFv = (EFI_FIRMWARE_VOLUME_HEADER *) (UINTN) ExtraData->Entry[0].Base;
+  ASSERT ((*DxeFv)->FvLength == ExtraData->Entry[0].Size);
+
+  //
+  // Update DXE FV information to first fv hob in the hob list, which
+  // is the empty FvHob created before.
+  //
+  FvHob = GetFirstHob (EFI_HOB_TYPE_FV);
+  FvHob->BaseAddress = (EFI_PHYSICAL_ADDRESS) (UINTN) *DxeFv;
+  FvHob->Length = (*DxeFv)->FvLength;
   return EFI_SUCCESS;
 }
 
@@ -280,10 +312,13 @@ _ModuleEntryPoint (
   )
 {
   EFI_STATUS                    Status;
+  PHYSICAL_ADDRESS              DxeCoreEntryPoint;
   EFI_HOB_HANDOFF_INFO_TABLE    *HandoffHobTable;
   EFI_PEI_HOB_POINTERS          Hob;
+  EFI_FIRMWARE_VOLUME_HEADER    *DxeFv;
 
   mHobList = (VOID *) BootloaderParameter;
+  DxeFv    = NULL;
   // Call constructor for all libraries
   ProcessLibraryConstructorList ();
 
@@ -294,7 +329,11 @@ _ModuleEntryPoint (
   InitializeFloatingPointUnits ();
 
   // Build HOB based on information from Bootloader
-  Status = BuildHobs (BootloaderParameter);
+  Status = BuildHobs (BootloaderParameter, &DxeFv);
+  ASSERT_EFI_ERROR (Status);
+
+  Status = UniversalLoadDxeCore (DxeFv, &DxeCoreEntryPoint);
+  ASSERT_EFI_ERROR (Status);
 
   //
   // Mask off all legacy 8259 interrupt sources
@@ -304,6 +343,7 @@ _ModuleEntryPoint (
 
   HandoffHobTable = (EFI_HOB_HANDOFF_INFO_TABLE *) GetFirstHob(EFI_HOB_TYPE_HANDOFF);
   Hob.HandoffInformationTable = HandoffHobTable;
+  HandOffToDxeCore (DxeCoreEntryPoint, Hob);
 
   // Should not get here
   CpuDeadLoop ();
diff --git a/UefiPayloadPkg/UefiPayloadEntry/UniversalPayloadEntry.inf b/UefiPayloadPkg/UefiPayloadEntry/UniversalPayloadEntry.inf
index 58ff87d969..77cd25aafd 100644
--- a/UefiPayloadPkg/UefiPayloadEntry/UniversalPayloadEntry.inf
+++ b/UefiPayloadPkg/UefiPayloadEntry/UniversalPayloadEntry.inf
@@ -62,6 +62,7 @@
   gEfiSmbiosTableGuid
   gEfiAcpiTableGuid
   gUefiSerialPortInfoGuid
+  gUniversalPayloadExtraDataGuid
 
 [FeaturePcd.IA32]
   gEfiMdeModulePkgTokenSpaceGuid.PcdDxeIplSwitchToLongMode      ## CONSUMES
diff --git a/UefiPayloadPkg/UefiPayloadEntry/X64/DxeLoadFunc.c b/UefiPayloadPkg/UefiPayloadEntry/X64/DxeLoadFunc.c
index 73ea30e7a2..dec87ee1ef 100644
--- a/UefiPayloadPkg/UefiPayloadEntry/X64/DxeLoadFunc.c
+++ b/UefiPayloadPkg/UefiPayloadEntry/X64/DxeLoadFunc.c
@@ -66,8 +66,8 @@ HandOffToDxeCore (
   //
   // Get the address and size of the GHCB pages
   //
-  GhcbBase = (VOID *) PcdGet64 (PcdGhcbBase);
-  GhcbSize = PcdGet64 (PcdGhcbSize);
+  GhcbBase = 0;
+  GhcbSize = 0;
 
   PageTables = 0;
   if (FeaturePcdGet (PcdDxeIplBuildPageTables)) {
-- 
2.30.0.windows.2



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