1 files changed, 31 insertions, 0 deletions
diff --git a/src/VBox/Devices/EFI/Firmware/MdePkg/Library/BaseLib/AArch64/CpuBreakpoint.S b/src/VBox/Devices/EFI/Firmware/MdePkg/Library/BaseLib/AArch64/CpuBreakpoint.S
new file mode 100644
index 00000000..b1354b77
--- /dev/null
+++ b/src/VBox/Devices/EFI/Firmware/MdePkg/Library/BaseLib/AArch64/CpuBreakpoint.S
@@ -0,0 +1,31 @@
+#------------------------------------------------------------------------------
+#
+# CpuBreakpoint() for AArch64
+#
+# Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>
+# Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
+# Portions copyright (c) 2011 - 2013, ARM Ltd. All rights reserved.<BR>
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+#------------------------------------------------------------------------------
+
+.text
+.p2align 2
+GCC_ASM_EXPORT(CpuBreakpoint)
+
+#/**
+#  Generates a breakpoint on the CPU.
+#
+#  Generates a breakpoint on the CPU. The breakpoint must be implemented such
+#  that code can resume normal execution after the breakpoint.
+#
+#**/
+#VOID
+#EFIAPI
+#CpuBreakpoint (
+#  VOID
+#  );
+#
+ASM_PFX(CpuBreakpoint):
+    svc   0xdbdb    // Superviser exception. Takes 16bit arg -> Armv7 had 'swi' here.
+    ret