Changeset 58459 in vbox for trunk/src/VBox/Devices/EFI/Firmware/MdePkg/Library/PeiHobLib/HobLib.c

Timestamp:

Oct 28, 2015 8:17:18 PM (9 years ago)

Author:

vboxsync

Message:

EFI/Firmware: 'svn merge ^{/vendor/edk2/UDK2010.SR1} /vendor/edk2/current .', reverting and removing files+dirs listed in ReadMe.vbox, resolving conflicts with help from ../UDK2014.SP1/. This is a raw untested merge.

Location:

trunk/src/VBox/Devices/EFI/Firmware

Files:

• . (modified) (1 prop)
• MdePkg/Library/PeiHobLib/HobLib.c (modified) (6 diffs)

trunk/src/VBox/Devices/EFI/Firmware/MdePkg/Library/PeiHobLib/HobLib.c

@@ -2 +2 @@
   Provide Hob Library functions for Pei phase.
 
-Copyright (c) 2007 - 2011, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2007 - 2014, Intel Corporation. All rights reserved.<BR>
 This program and the accompanying materials
 are licensed and made available under the terms and conditions of the BSD License
@@ -302 +302 @@
 
 /**
+  Builds a HOB that describes a chunk of system memory with Owner GUID.
+
+  This function builds a HOB that describes a chunk of system memory.
+  It can only be invoked during PEI phase;
+  for DXE phase, it will ASSERT() since PEI HOB is read-only for DXE phase.
+  
+  If there is no additional space for HOB creation, then ASSERT().
+
+  @param  ResourceType        The type of resource described by this HOB.
+  @param  ResourceAttribute   The resource attributes of the memory described by this HOB.
+  @param  PhysicalStart       The 64 bit physical address of memory described by this HOB.
+  @param  NumberOfBytes       The length of the memory described by this HOB in bytes.
+  @param  OwnerGUID           GUID for the owner of this resource.
+
+**/
+VOID
+EFIAPI
+BuildResourceDescriptorWithOwnerHob (
+  IN EFI_RESOURCE_TYPE            ResourceType,
+  IN EFI_RESOURCE_ATTRIBUTE_TYPE  ResourceAttribute,
+  IN EFI_PHYSICAL_ADDRESS         PhysicalStart,
+  IN UINT64                       NumberOfBytes,
+  IN EFI_GUID                     *OwnerGUID
+  )
+{
+  EFI_HOB_RESOURCE_DESCRIPTOR  *Hob;
+
+  Hob = InternalPeiCreateHob (EFI_HOB_TYPE_RESOURCE_DESCRIPTOR, (UINT16) sizeof (EFI_HOB_RESOURCE_DESCRIPTOR));
+  if (Hob == NULL) {
+    return;
+  }
+
+  Hob->ResourceType      = ResourceType;
+  Hob->ResourceAttribute = ResourceAttribute;
+  Hob->PhysicalStart     = PhysicalStart;
+  Hob->ResourceLength    = NumberOfBytes;
+
+  CopyGuid (&Hob->Owner, OwnerGUID);
+}
+
+/**
   Builds a HOB that describes a chunk of system memory.
 
@@ -336 +377 @@
   Hob->PhysicalStart     = PhysicalStart;
   Hob->ResourceLength    = NumberOfBytes;
+  ZeroMem (&(Hob->Owner), sizeof (EFI_GUID));
 }
 
@@ -350 +392 @@
   If Guid is NULL, then ASSERT().
   If there is no additional space for HOB creation, then ASSERT().
-  If DataLength >= (0x10000 - sizeof (EFI_HOB_GUID_TYPE)), then ASSERT().
+  If DataLength > (0xFFF8 - sizeof (EFI_HOB_GUID_TYPE)), then ASSERT().
+  HobLength is UINT16 and multiples of 8 bytes, so the max HobLength is 0xFFF8.
 
   @param  Guid          The GUID to tag the customized HOB.
@@ -376 +419 @@
   // Make sure that data length is not too long.
   //
-  ASSERT (DataLength <= (0xffff - sizeof (EFI_HOB_GUID_TYPE)));
+  ASSERT (DataLength <= (0xFFF8 - sizeof (EFI_HOB_GUID_TYPE)));
 
   Hob = InternalPeiCreateHob (EFI_HOB_TYPE_GUID_EXTENSION, (UINT16) (sizeof (EFI_HOB_GUID_TYPE) + DataLength));
@@ -400 +443 @@
   If Data is NULL and DataLength > 0, then ASSERT().
   If there is no additional space for HOB creation, then ASSERT().
-  If DataLength >= (0x10000 - sizeof (EFI_HOB_GUID_TYPE)), then ASSERT().
+  If DataLength > (0xFFF8 - sizeof (EFI_HOB_GUID_TYPE)), then ASSERT().
+  HobLength is UINT16 and multiples of 8 bytes, so the max HobLength is 0xFFF8.
 
   @param  Guid          The GUID to tag the customized HOB.