1 files changed, 30 insertions, 0 deletions
diff --git a/ArmPkg/Library/ArmSmcPsciResetSystemLib/AArch64/Reset.S b/ArmPkg/Library/ArmSmcPsciResetSystemLib/AArch64/Reset.S
new file mode 100644
index 0000000..1edca94
--- /dev/null
+++ b/ArmPkg/Library/ArmSmcPsciResetSystemLib/AArch64/Reset.S
@@ -0,0 +1,30 @@
+/** @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 <AsmMacroIoLibV8.h>
+
+ASM_FUNC(DisableMmuAndReenterPei)
+  stp   x29, x30, [sp, #-16]!
+  mov   x29, sp
+
+  bl    ArmDisableMmu
+
+  // no memory accesses after MMU and caches have been disabled
+
+  MOV64 (x0, FixedPcdGet64 (PcdFvBaseAddress))
+  blr   x0
+
+  // never returns
+  nop