1 files changed, 42 insertions, 0 deletions
diff --git a/OldMdePkg/Library/BaseLib/X64/LongJump.S b/OldMdePkg/Library/BaseLib/X64/LongJump.S
new file mode 100644
index 0000000000..1a6f859c8e
--- /dev/null
+++ b/OldMdePkg/Library/BaseLib/X64/LongJump.S
@@ -0,0 +1,42 @@
+#------------------------------------------------------------------------------
+#
+# Copyright (c) 2006, Intel Corporation
+# All rights reserved. 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.
+#
+# Module Name:
+#
+#   LongJump.Asm
+#
+# Abstract:
+#
+#   Implementation of _LongJump() on x64.
+#
+#------------------------------------------------------------------------------
+
+#------------------------------------------------------------------------------
+# VOID
+# EFIAPI
+# InternalLongJump (
+#   IN      BASE_LIBRARY_JUMP_BUFFER  *JumpBuffer,
+#   IN      UINTN                     Value
+#   );
+#------------------------------------------------------------------------------
+.global _InternalLongJump
+_InternalLongJump:
+    mov     (%rcx), %rbx
+    mov     0x8(%rcx), %rsp
+    mov     0x10(%rcx), %rbp
+    mov     0x18(%rcx), %rdi
+    mov     0x20(%rcx), %rsi
+    mov     0x28(%rcx), %r12
+    mov     0x30(%rcx), %r13
+    mov     0x38(%rcx), %r14
+    mov     0x40(%rcx), %r15
+    mov     %rdx, %rax
+    jmp     *0x48(%rcx)