1 files changed, 35 insertions, 0 deletions
diff --git a/OldMdePkg/Library/BaseLib/Ia32/LongJump.c b/OldMdePkg/Library/BaseLib/Ia32/LongJump.c
new file mode 100644
index 0000000000..0e58625a65
--- /dev/null
+++ b/OldMdePkg/Library/BaseLib/Ia32/LongJump.c
@@ -0,0 +1,35 @@
+/** @file
+  Implementation of _LongJump() on IA-32.
+
+  Copyright (c) 2006 - 2007, Intel Corporation<BR>
+  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.
+
+**/
+
+__declspec (naked)
+VOID
+EFIAPI
+InternalLongJump (
+  IN      BASE_LIBRARY_JUMP_BUFFER  *JumpBuffer,
+  IN      UINTN                     Value
+  )
+{
+  _asm {
+    pop     eax                         ; skip return address
+    pop     edx                         ; edx <- JumpBuffer
+    pop     eax                         ; eax <- Value
+    mov     ebx, [edx]
+    mov     esi, [edx + 4]
+    mov     edi, [edx + 8]
+    mov     ebp, [edx + 12]
+    mov     esp, [edx + 16]
+    jmp     dword ptr [edx + 20]
+  }
+}
+