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Diffstat (limited to 'MdePkg/Library/BaseLib/X64/LongJump.asm')
-rw-r--r--MdePkg/Library/BaseLib/X64/LongJump.asm46
1 files changed, 46 insertions, 0 deletions
diff --git a/MdePkg/Library/BaseLib/X64/LongJump.asm b/MdePkg/Library/BaseLib/X64/LongJump.asm
new file mode 100644
index 0000000000..38e5606081
--- /dev/null
+++ b/MdePkg/Library/BaseLib/X64/LongJump.asm
@@ -0,0 +1,46 @@
+;------------------------------------------------------------------------------
+;
+; 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.
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+;------------------------------------------------------------------------------
+; VOID
+; EFIAPI
+; InternalLongJump (
+; IN BASE_LIBRARY_JUMP_BUFFER *JumpBuffer,
+; IN UINTN Value
+; );
+;------------------------------------------------------------------------------
+InternalLongJump PROC
+ mov rbx, [rcx]
+ mov rsp, [rcx + 8]
+ mov rbp, [rcx + 10h]
+ mov rdi, [rcx + 18h]
+ mov rsi, [rcx + 20h]
+ mov r12, [rcx + 28h]
+ mov r13, [rcx + 30h]
+ mov r14, [rcx + 38h]
+ mov r15, [rcx + 40h]
+ mov rax, rdx ; set return value
+ jmp qword ptr [rcx + 48h]
+InternalLongJump ENDP
+
+ END