diff options
Diffstat (limited to 'MdePkg/Library/BaseLib/Arm/SetJumpLongJump.asm')
-rw-r--r-- | MdePkg/Library/BaseLib/Arm/SetJumpLongJump.asm | 140 |
1 files changed, 70 insertions, 70 deletions
diff --git a/MdePkg/Library/BaseLib/Arm/SetJumpLongJump.asm b/MdePkg/Library/BaseLib/Arm/SetJumpLongJump.asm index d277742965..965a225191 100644 --- a/MdePkg/Library/BaseLib/Arm/SetJumpLongJump.asm +++ b/MdePkg/Library/BaseLib/Arm/SetJumpLongJump.asm @@ -1,70 +1,70 @@ -;------------------------------------------------------------------------------ -; -; Copyright (c) 2006 - 2009, Intel Corporation<BR> -; Portions copyright (c) 2008-2009 Apple Inc.<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. -; -;------------------------------------------------------------------------------ - - EXPORT SetJump - EXPORT InternalLongJump - - AREA BaseLib, CODE, READONLY - -;/** -; 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 // R0 -; ) -; -SetJump - MOV R3, R13 - STM R0, {R3-R12,R14} - EOR R0, R0 - BX LR - -;/** -; 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, // R0 -; IN UINTN Value // R1 -; ); -; -InternalLongJump - LDM R0, {R3-R12,R14} - MOV R13, R3 - MOV R0, R1 - BX LR - - END +;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006 - 2009, Intel Corporation<BR>
+; Portions copyright (c) 2008-2009 Apple Inc.<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.
+;
+;------------------------------------------------------------------------------
+
+ EXPORT SetJump
+ EXPORT InternalLongJump
+
+ AREA BaseLib, CODE, READONLY
+
+;/**
+; 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 // R0
+; )
+;
+SetJump
+ MOV R3, R13
+ STM R0, {R3-R12,R14}
+ EOR R0, R0
+ BX LR
+
+;/**
+; 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, // R0
+; IN UINTN Value // R1
+; );
+;
+InternalLongJump
+ LDM R0, {R3-R12,R14}
+ MOV R13, R3
+ MOV R0, R1
+ BX LR
+
+ END
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