OvmfPkg/SmbiosPlatformDxe: split GetXenSmbiosTables() decl. to new header

[mirror_edk2.git] / OvmfPkg / SmbiosPlatformDxe / X86Xen.c

diff --git a/OvmfPkg/SmbiosPlatformDxe/X86Xen.c b/OvmfPkg/SmbiosPlatformDxe/X86Xen.c
index 3f018d6f5cb93abd5dfd24485e81303ecea9b773..0acedf8995da28ac0382a9da61ffb51c9c7bdba4 100644 (file)
--- a/OvmfPkg/SmbiosPlatformDxe/X86Xen.c
+++ b/OvmfPkg/SmbiosPlatformDxe/X86Xen.c
@@ -1,98 +1,94 @@
-/** @file
-  Detect Xen hvmloader SMBIOS data for usage by OVMF.
-
-  Copyright (c) 2011, Bei Guan <gbtju85@gmail.com>
-  Copyright (c) 2011, 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
-  which accompanies this distribution.  The full text of the license may be found at
-  http://opensource.org/licenses/bsd-license.php
-
-  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-
-**/
-
-#include "SmbiosPlatformDxe.h"
-#include <Library/HobLib.h>
-#include <Guid/XenInfo.h>
-
-#define XEN_SMBIOS_PHYSICAL_ADDRESS       0x000EB000
-#define XEN_SMBIOS_PHYSICAL_END           0x000F0000
-
-/**
-  Validates the SMBIOS entry point structure
-
-  @param  EntryPointStructure  SMBIOS entry point structure
-
-  @retval TRUE   The entry point structure is valid
-  @retval FALSE  The entry point structure is not valid
-
-**/
-STATIC
-BOOLEAN
-IsEntryPointStructureValid (
-  IN SMBIOS_TABLE_ENTRY_POINT  *EntryPointStructure
-  )
-{
-  UINTN                     Index;
-  UINT8                     Length;
-  UINT8                     Checksum;
-  UINT8                     *BytePtr;
-
-  BytePtr = (UINT8*) EntryPointStructure;
-  Length = EntryPointStructure->EntryPointLength;
-  Checksum = 0;
-
-  for (Index = 0; Index < Length; Index++) {
-    Checksum = Checksum + (UINT8) BytePtr[Index];
-  }
-
-  if (Checksum != 0) {
-    return FALSE;
-  } else {
-    return TRUE;
-  }
-}
-
-/**
-  Locates the Xen SMBIOS data if it exists
-
-  @return SMBIOS_TABLE_ENTRY_POINT   Address of Xen SMBIOS data
-
-**/
-SMBIOS_TABLE_ENTRY_POINT *
-GetXenSmbiosTables (
-  VOID
-  )
-{
-  UINT8                     *XenSmbiosPtr;
-  SMBIOS_TABLE_ENTRY_POINT  *XenSmbiosEntryPointStructure;
-  EFI_HOB_GUID_TYPE         *GuidHob;
-
-  //
-  // See if a XenInfo HOB is available
-  //
-  GuidHob = GetFirstGuidHob (&gEfiXenInfoGuid);
-  if (GuidHob == NULL) {
-    return NULL;
-  }
-
-  for (XenSmbiosPtr = (UINT8*)(UINTN) XEN_SMBIOS_PHYSICAL_ADDRESS;
-       XenSmbiosPtr < (UINT8*)(UINTN) XEN_SMBIOS_PHYSICAL_END;
-       XenSmbiosPtr += 0x10) {
-
-    XenSmbiosEntryPointStructure = (SMBIOS_TABLE_ENTRY_POINT *) XenSmbiosPtr;
-
-    if (!AsciiStrnCmp ((CHAR8 *) XenSmbiosEntryPointStructure->AnchorString, "_SM_", 4) &&
-        !AsciiStrnCmp ((CHAR8 *) XenSmbiosEntryPointStructure->IntermediateAnchorString, "_DMI_", 5) &&
-        IsEntryPointStructureValid (XenSmbiosEntryPointStructure)) {
-
-      return XenSmbiosEntryPointStructure;
-
-    }
-  }
-
-  return NULL;
-}
+/** @file\r
+  Detect Xen hvmloader SMBIOS data for usage by OVMF.\r
+\r
+  Copyright (c) 2011, Bei Guan <gbtju85@gmail.com>\r
+  Copyright (c) 2011, Intel Corporation. All rights reserved.<BR>\r
+\r
+  SPDX-License-Identifier: BSD-2-Clause-Patent\r
+\r
+**/\r
+\r
+#include <Library/BaseLib.h> // AsciiStrnCmp()\r
+#include <Library/HobLib.h>  // GetFirstGuidHob()\r
+#include <Pi/PiHob.h>        // EFI_HOB_GUID_TYPE\r
+\r
+#include "XenSmbiosPlatformDxe.h"\r
+\r
+#define XEN_SMBIOS_PHYSICAL_ADDRESS       0x000EB000\r
+#define XEN_SMBIOS_PHYSICAL_END           0x000F0000\r
+\r
+/**\r
+  Validates the SMBIOS entry point structure\r
+\r
+  @param  EntryPointStructure  SMBIOS entry point structure\r
+\r
+  @retval TRUE   The entry point structure is valid\r
+  @retval FALSE  The entry point structure is not valid\r
+\r
+**/\r
+STATIC\r
+BOOLEAN\r
+IsEntryPointStructureValid (\r
+  IN SMBIOS_TABLE_ENTRY_POINT  *EntryPointStructure\r
+  )\r
+{\r
+  UINTN                     Index;\r
+  UINT8                     Length;\r
+  UINT8                     Checksum;\r
+  UINT8                     *BytePtr;\r
+\r
+  BytePtr = (UINT8*) EntryPointStructure;\r
+  Length = EntryPointStructure->EntryPointLength;\r
+  Checksum = 0;\r
+\r
+  for (Index = 0; Index < Length; Index++) {\r
+    Checksum = Checksum + (UINT8) BytePtr[Index];\r
+  }\r
+\r
+  if (Checksum != 0) {\r
+    return FALSE;\r
+  } else {\r
+    return TRUE;\r
+  }\r
+}\r
+\r
+/**\r
+  Locates the Xen SMBIOS data if it exists\r
+\r
+  @return SMBIOS_TABLE_ENTRY_POINT   Address of Xen SMBIOS data\r
+\r
+**/\r
+SMBIOS_TABLE_ENTRY_POINT *\r
+GetXenSmbiosTables (\r
+  VOID\r
+  )\r
+{\r
+  UINT8                     *XenSmbiosPtr;\r
+  SMBIOS_TABLE_ENTRY_POINT  *XenSmbiosEntryPointStructure;\r
+  EFI_HOB_GUID_TYPE         *GuidHob;\r
+\r
+  //\r
+  // See if a XenInfo HOB is available\r
+  //\r
+  GuidHob = GetFirstGuidHob (&gEfiXenInfoGuid);\r
+  if (GuidHob == NULL) {\r
+    return NULL;\r
+  }\r
+\r
+  for (XenSmbiosPtr = (UINT8*)(UINTN) XEN_SMBIOS_PHYSICAL_ADDRESS;\r
+       XenSmbiosPtr < (UINT8*)(UINTN) XEN_SMBIOS_PHYSICAL_END;\r
+       XenSmbiosPtr += 0x10) {\r
+\r
+    XenSmbiosEntryPointStructure = (SMBIOS_TABLE_ENTRY_POINT *) XenSmbiosPtr;\r
+\r
+    if (!AsciiStrnCmp ((CHAR8 *) XenSmbiosEntryPointStructure->AnchorString, "_SM_", 4) &&\r
+        !AsciiStrnCmp ((CHAR8 *) XenSmbiosEntryPointStructure->IntermediateAnchorString, "_DMI_", 5) &&\r
+        IsEntryPointStructureValid (XenSmbiosEntryPointStructure)) {\r
+\r
+      return XenSmbiosEntryPointStructure;\r
+\r
+    }\r
+  }\r
+\r
+  return NULL;\r
+}\r