Moved the MdePkg to OldMdePkg so that new code in MdePkg does not break existing...

[mirror_edk2.git] / OldMdePkg / Library / BaseLib / X64 / SetJump.S

diff --git a/OldMdePkg/Library/BaseLib/X64/SetJump.S b/OldMdePkg/Library/BaseLib/X64/SetJump.S
new file mode 100644 (file)
index 0000000..eaaa43b
--- /dev/null
+++ b/OldMdePkg/Library/BaseLib/X64/SetJump.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:
+#
+#   SetJump.S
+#
+# Abstract:
+#
+#   Implementation of SetJump() on x86_64
+#
+#------------------------------------------------------------------------------
+
+.extern InternalAssertJumpBuffer;
+.global _SetJump;
+_SetJump:
+    push   %rcx
+    add    $0xffffffffffffffe0,%rsp
+    call   _InternalAssertJumpBuffer
+    add    $0x20,%rsp
+    pop    %rcx
+    pop    %rdx
+    mov    %rbx,(%rcx)
+    mov    %rsp,0x8(%rcx)
+    mov    %rbp,0x10(%rcx)
+    mov    %rdi,0x18(%rcx)
+    mov    %rsi,0x20(%rcx)
+    mov    %r12,0x28(%rcx)
+    mov    %r13,0x30(%rcx)
+    mov    %r14,0x38(%rcx)
+    mov    %r15,0x40(%rcx)
+    mov    %rdx,0x48(%rcx)
+    xor    %rax,%rax
+    jmpq   *%rdx