ArmPkg: Replace BSD License with BSD+Patent License

[mirror_edk2.git] / ArmPkg / Drivers / CpuDxe / AArch64 / Mmu.c

diff --git a/ArmPkg/Drivers/CpuDxe/AArch64/Mmu.c b/ArmPkg/Drivers/CpuDxe/AArch64/Mmu.c
index 7688846e70cb1833c732a3eafee8e885004b502a..316f9adaf9314002ea194ed370a369fa22e11bc0 100644 (file)
--- a/ArmPkg/Drivers/CpuDxe/AArch64/Mmu.c
+++ b/ArmPkg/Drivers/CpuDxe/AArch64/Mmu.c
@@ -5,13 +5,7 @@ Portions copyright (c) 2010, Apple Inc. All rights reserved.<BR>
 Portions copyright (c) 2011-2013, ARM Ltd. All rights reserved.<BR>\r
 Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>\r
 \r
-This program and the accompanying materials\r
-are licensed and made available under the terms and conditions of the BSD License\r
-which accompanies this distribution.  The full text of the license may be found at\r
-http://opensource.org/licenses/bsd-license.php\r
-\r
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
-WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+SPDX-License-Identifier: BSD-2-Clause-Patent\r
 \r
 \r
 --*/\r
@@ -204,16 +198,20 @@ EfiAttributeToArmAttribute (
 \r
   switch (EfiAttributes & EFI_MEMORY_CACHETYPE_MASK) {\r
   case EFI_MEMORY_UC:\r
-    ArmAttributes = TT_ATTR_INDX_DEVICE_MEMORY;\r
+    if (ArmReadCurrentEL () == AARCH64_EL2) {\r
+      ArmAttributes = TT_ATTR_INDX_DEVICE_MEMORY | TT_XN_MASK;\r
+    } else {\r
+      ArmAttributes = TT_ATTR_INDX_DEVICE_MEMORY | TT_UXN_MASK | TT_PXN_MASK;\r
+    }\r
     break;\r
   case EFI_MEMORY_WC:\r
     ArmAttributes = TT_ATTR_INDX_MEMORY_NON_CACHEABLE;\r
     break;\r
   case EFI_MEMORY_WT:\r
-    ArmAttributes = TT_ATTR_INDX_MEMORY_WRITE_THROUGH;\r
+    ArmAttributes = TT_ATTR_INDX_MEMORY_WRITE_THROUGH | TT_SH_INNER_SHAREABLE;\r
     break;\r
   case EFI_MEMORY_WB:\r
-    ArmAttributes = TT_ATTR_INDX_MEMORY_WRITE_BACK;\r
+    ArmAttributes = TT_ATTR_INDX_MEMORY_WRITE_BACK | TT_SH_INNER_SHAREABLE;\r
     break;\r
   default:\r
     ArmAttributes = TT_ATTR_INDX_MASK;\r