[edk2-devel] [PATCH] UefiPayloadPkg: Add memory type information HOB

[Guo Dong]

To avoid DXE drivers to be dispatched to memory above 4GB,
this patch build memory type information HOB in payload
entry module.

Signed-off-by: Guo Dong <guo.dong at intel.com>
---
 UefiPayloadPkg/UefiPayloadEntry/UefiPayloadEntry.c   | 23 ++++++++++++++++++-----
 UefiPayloadPkg/UefiPayloadEntry/UefiPayloadEntry.h   |  1 +
 UefiPayloadPkg/UefiPayloadEntry/UefiPayloadEntry.inf |  5 +++++
 3 files changed, 24 insertions(+), 5 deletions(-)

diff --git a/UefiPayloadPkg/UefiPayloadEntry/UefiPayloadEntry.c b/UefiPayloadPkg/UefiPayloadEntry/UefiPayloadEntry.c
index 805f5448d9..5d8b9d1464 100644
--- a/UefiPayloadPkg/UefiPayloadEntry/UefiPayloadEntry.c
+++ b/UefiPayloadPkg/UefiPayloadEntry/UefiPayloadEntry.c
@@ -7,6 +7,16 @@
 
 #include "UefiPayloadEntry.h"
 
+
+EFI_MEMORY_TYPE_INFORMATION mDefaultMemoryTypeInformation[] = {
+  { EfiACPIReclaimMemory,   FixedPcdGet32 (PcdMemoryTypeEfiACPIReclaimMemory) },
+  { EfiACPIMemoryNVS,       FixedPcdGet32 (PcdMemoryTypeEfiACPIMemoryNVS) },
+  { EfiReservedMemoryType,  FixedPcdGet32 (PcdMemoryTypeEfiReservedMemoryType) },
+  { EfiRuntimeServicesData, FixedPcdGet32 (PcdMemoryTypeEfiRuntimeServicesData) },
+  { EfiRuntimeServicesCode, FixedPcdGet32 (PcdMemoryTypeEfiRuntimeServicesCode) },
+  { EfiMaxMemoryType,       0     }
+};
+
 /**
    Callback function to build resource descriptor HOB
 
@@ -40,11 +50,6 @@ MemInfoCallback (
              EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE |
              EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE;
 
-  if (Base >= BASE_4GB ) {
-    // Remove tested attribute to avoid DXE core to dispatch driver to memory above 4GB
-    Attribue &= ~EFI_RESOURCE_ATTRIBUTE_TESTED;
-  }
-
   BuildResourceDescriptorHob (Type, Attribue, (EFI_PHYSICAL_ADDRESS)Base, Size);
   DEBUG ((DEBUG_INFO , "buildhob: base = 0x%lx, size = 0x%lx, type = 0x%x\n", Base, Size, Type));
 
@@ -343,6 +348,14 @@ BuildGenericHob (
   BuildResourceDescriptorHob (EFI_RESOURCE_MEMORY_MAPPED_IO, ResourceAttribute, 0xFEC80000, SIZE_512KB);
   BuildMemoryAllocationHob ( 0xFEC80000, SIZE_512KB, EfiMemoryMappedIO);
 
+  //
+  // Create Memory Type Information HOB
+  //
+  BuildGuidDataHob (
+    &gEfiMemoryTypeInformationGuid,
+    mDefaultMemoryTypeInformation,
+    sizeof(mDefaultMemoryTypeInformation)
+  );
 }
 
 
diff --git a/UefiPayloadPkg/UefiPayloadEntry/UefiPayloadEntry.h b/UefiPayloadPkg/UefiPayloadEntry/UefiPayloadEntry.h
index 2c84d6ed53..57b03dffe9 100644
--- a/UefiPayloadPkg/UefiPayloadEntry/UefiPayloadEntry.h
+++ b/UefiPayloadPkg/UefiPayloadEntry/UefiPayloadEntry.h
@@ -31,6 +31,7 @@
 #include <Guid/MemoryMapInfoGuid.h>
 #include <Guid/AcpiBoardInfoGuid.h>
 #include <Guid/GraphicsInfoHob.h>
+#include <Guid/MemoryTypeInformation.h>
 
 
 #define LEGACY_8259_MASK_REGISTER_MASTER  0x21
diff --git a/UefiPayloadPkg/UefiPayloadEntry/UefiPayloadEntry.inf b/UefiPayloadPkg/UefiPayloadEntry/UefiPayloadEntry.inf
index cc59f1903b..444d03b6d4 100644
--- a/UefiPayloadPkg/UefiPayloadEntry/UefiPayloadEntry.inf
+++ b/UefiPayloadPkg/UefiPayloadEntry/UefiPayloadEntry.inf
@@ -84,6 +84,11 @@
 
   gUefiPayloadPkgTokenSpaceGuid.PcdPayloadFdMemBase
   gUefiPayloadPkgTokenSpaceGuid.PcdPayloadFdMemSize
+  gUefiPayloadPkgTokenSpaceGuid.PcdMemoryTypeEfiACPIReclaimMemory
+  gUefiPayloadPkgTokenSpaceGuid.PcdMemoryTypeEfiACPIMemoryNVS
+  gUefiPayloadPkgTokenSpaceGuid.PcdMemoryTypeEfiReservedMemoryType
+  gUefiPayloadPkgTokenSpaceGuid.PcdMemoryTypeEfiRuntimeServicesData
+  gUefiPayloadPkgTokenSpaceGuid.PcdMemoryTypeEfiRuntimeServicesCode
   gUefiPayloadPkgTokenSpaceGuid.PcdPayloadStackTop
   gUefiPayloadPkgTokenSpaceGuid.PcdSystemMemoryUefiRegionSize
 
-- 
2.16.2.windows.1



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