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;------------------------------------------------------------------------------
;
; 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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