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-rw-r--r--ArmPkg/Library/ArmSmcPsciResetSystemLib/Arm/Reset.asm34
1 files changed, 34 insertions, 0 deletions
diff --git a/ArmPkg/Library/ArmSmcPsciResetSystemLib/Arm/Reset.asm b/ArmPkg/Library/ArmSmcPsciResetSystemLib/Arm/Reset.asm
new file mode 100644
index 0000000000..fa4fbd0e07
--- /dev/null
+++ b/ArmPkg/Library/ArmSmcPsciResetSystemLib/Arm/Reset.asm
@@ -0,0 +1,34 @@
+;/** @file
+; ResetSystemLib implementation using PSCI calls
+;
+; Copyright (c) 2018, Linaro Ltd. 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 AsmMacroExport.inc
+ PRESERVE8
+
+ IMPORT ArmDisableMmu
+
+RVCT_ASM_EXPORT DisableMmuAndReenterPei
+ push {lr}
+
+ bl ArmDisableMmu
+
+ ; no memory accesses after MMU and caches have been disabled
+
+ mov32 r0, FixedPcdGet64 (PcdFvBaseAddress)
+ blx r0
+
+ ; never returns
+ nop
+
+ END