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Diffstat (limited to 'MdePkg/Library/BaseLib/LongJump.c')
-rw-r--r-- | MdePkg/Library/BaseLib/LongJump.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/MdePkg/Library/BaseLib/LongJump.c b/MdePkg/Library/BaseLib/LongJump.c new file mode 100644 index 0000000000000..f432cfd45d58c --- /dev/null +++ b/MdePkg/Library/BaseLib/LongJump.c @@ -0,0 +1,47 @@ +/** @file + Long Jump functions. + + Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR> + 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. + +**/ + + + + +#include "BaseLibInternals.h" + +/** + 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. + + If JumpBuffer is NULL, then ASSERT(). + For IPF CPUs, if JumpBuffer is not aligned on a 16-byte boundary, then ASSERT(). + If Value is 0, then ASSERT(). + + @param JumpBuffer A pointer to CPU context buffer. + @param Value The value to return when the SetJump() context is + restored and must be non-zero. + +**/ +VOID +EFIAPI +LongJump ( + IN BASE_LIBRARY_JUMP_BUFFER *JumpBuffer, + IN UINTN Value + ) +{ + InternalAssertJumpBuffer (JumpBuffer); + ASSERT (Value != 0); + + InternalLongJump (JumpBuffer, Value); +} |