diff options
| author | lhauch <lhauch@6f19259b-4bc3-4df7-8a09-765794883524> | 2007-06-01 14:49:55 +0000 |
|---|---|---|
| committer | lhauch <lhauch@6f19259b-4bc3-4df7-8a09-765794883524> | 2007-06-01 14:49:55 +0000 |
| commit | 586cd1f1f4129ab7ec24543d4968801e17cc870b (patch) | |
| tree | e2f1b645e576edee627997ca1abd65e3f9b0add8 /OldMdePkg/Library/BaseLib/Ebc/SetJumpLongJump.c | |
| parent | 144d783d40c8a02113350feabd1b9a55b692313f (diff) | |
| download | edk2-platforms-586cd1f1f4129ab7ec24543d4968801e17cc870b.tar.xz | |
Moved the MdePkg to OldMdePkg so that new code in MdePkg does not break existing builds. Also updated the SPD and FPD files UiNames
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2616 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'OldMdePkg/Library/BaseLib/Ebc/SetJumpLongJump.c')
| -rw-r--r-- | OldMdePkg/Library/BaseLib/Ebc/SetJumpLongJump.c | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/OldMdePkg/Library/BaseLib/Ebc/SetJumpLongJump.c b/OldMdePkg/Library/BaseLib/Ebc/SetJumpLongJump.c new file mode 100644 index 0000000000..b485d3e495 --- /dev/null +++ b/OldMdePkg/Library/BaseLib/Ebc/SetJumpLongJump.c @@ -0,0 +1,78 @@ +/** @file
+ Switch Stack functions.
+
+ 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: SetJumpLongJump.c
+
+**/
+
+/**
+ Worker function that checks ASSERT condition for JumpBuffer
+
+ Checks ASSERT condition for JumpBuffer.
+
+ If JumpBuffer is NULL, then ASSERT().
+ For IPF CPUs, if JumpBuffer is not aligned on a 16-byte boundary, then ASSERT().
+
+ @param JumpBuffer A pointer to CPU context buffer.
+
+**/
+VOID
+InternalAssertJumpBuffer (
+ IN BASE_LIBRARY_JUMP_BUFFER *JumpBuffer
+ );
+
+/**
+ Saves the current CPU context that can be restored with a call to LongJump() and returns 0.
+
+ Saves the current CPU context in the buffer specified by JumpBuffer and returns 0. The initial
+ call to SetJump() must always return 0. Subsequent calls to LongJump() cause a non-zero
+ value to be returned by SetJump().
+
+ If JumpBuffer is NULL, then ASSERT().
+ For IPF CPUs, if JumpBuffer is not aligned on a 16-byte boundary, then ASSERT().
+
+ @param JumpBuffer A pointer to CPU context buffer.
+
+**/
+UINTN
+EFIAPI
+SetJump (
+ IN BASE_LIBRARY_JUMP_BUFFER *JumpBuffer
+ )
+{
+ InternalAssertJumpBuffer (JumpBuffer);
+ return 0;
+}
+
+/**
+ Restores the CPU context that was saved with SetJump().
+
+ Restores the CPU context from the buffer specified by JumpBuffer.
+ This function never returns to the caller.
+ Instead is resumes execution based on the state of JumpBuffer.
+
+ @param JumpBuffer A pointer to CPU context buffer.
+ @param Value The value to return when the SetJump() context is restored.
+
+**/
+VOID
+EFIAPI
+InternalLongJump (
+ IN BASE_LIBRARY_JUMP_BUFFER *JumpBuffer,
+ IN UINTN Value
+ )
+{
+ //
+ // This function cannot work on EBC
+ //
+ ASSERT (FALSE);
+}
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