Import some basic libraries instances for Mde Packages.

[mirror_edk2.git] / MdePkg / Library / BaseLib / Ia32 / SetJump.S

diff --git a/MdePkg/Library/BaseLib/Ia32/SetJump.S b/MdePkg/Library/BaseLib/Ia32/SetJump.S
new file mode 100644 (file)
index 0000000..a3a70b6
--- /dev/null
+++ b/MdePkg/Library/BaseLib/Ia32/SetJump.S
@@ -0,0 +1,49 @@
+//\r
+// Include common header file for this module.\r
+//\r
+#include "CommonHeader.h"\r
+\r
+#------------------------------------------------------------------------------\r
+#\r
+# Copyright (c) 2006, Intel Corporation\r
+# All rights reserved. This program and the accompanying materials\r
+# are licensed and made available under the terms and conditions of the BSD License\r
+# which accompanies this distribution.  The full text of the license may be found at\r
+# http://opensource.org/licenses/bsd-license.php\r
+#\r
+# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
+# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+#\r
+# Module Name:\r
+#\r
+#   SetJump.Asm\r
+#\r
+# Abstract:\r
+#\r
+#   Implementation of SetJump() on IA-32.\r
+#\r
+#------------------------------------------------------------------------------\r
+\r
+.globl ASM_PFX(SetJump), ASM_PFX(InternalAssertJumpBuffer)\r
+\r
+#------------------------------------------------------------------------------\r
+# UINTN\r
+# EFIAPI\r
+# SetJump (\r
+#   OUT     BASE_LIBRARY_JUMP_BUFFER  *JumpBuffer\r
+#   );\r
+#------------------------------------------------------------------------------\r
+ASM_PFX(SetJump):\r
+    pushl   0x4(%esp)\r
+    call    ASM_PFX(InternalAssertJumpBuffer)\r
+    pop     %ecx\r
+    pop     %ecx\r
+    movl    (%esp), %edx\r
+    movl    %ebx, (%edx)\r
+    movl    %esi, 4(%edx)\r
+    movl    %edi, 8(%edx)\r
+    movl    %ebp, 12(%edx)\r
+    movl    %esp, 16(%edx)\r
+    movl    %ecx, 20(%edx)\r
+    xorl    %eax, %eax\r
+    jmp     *%ecx\r