4200_boot 这个程序很重要

源代码在线查看: heap.s

软件大小: 15 K
上传用户: A15117704533
关键词: 4200 boot 程序
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相关代码

				;
				;   Start of Zoran Standard Header
				;   Copyright (c) 2003 Zoran Corporation
				;   
				;   
				;   All rights reserved.  Proprietary and confidential.
				;   
				;   DESCRIPTION for heap.s
				;   	Support for heap (library malloc) functions
				;   
				;   NEW HISTORY COMMENT (description must be followed by a blank line)
				;   
				
				;   ===== HISTORY of changes in //depot/misc/projects/tps/boot/heap.s
				;   
				;   3/Oct/03 #1 jgregor Created it
				;   
				;   End of Zoran Standard Header
				;
				;;; Copyright ARM Ltd 2002. All rights reserved.
				
				        AREA   Heap, DATA, NOINIT
				
				        EXPORT bottom_of_heap
				
				; Create dummy variable used to locate bottom of heap
				
				bottom_of_heap    SPACE   1
				
				        AREA HEAPCODE, CODE, READONLY
				
				; Below is an equivalent example assembler version of __user_initial_stackheap.
				
				; It will be entered with the value of the stackpointer in r1
				; (as set in init.s). This does not need to be changed and so can be 
				; passed unmodified out of the function.
				
				    EXPORT __user_initial_stackheap
				
				__user_initial_stackheap
				    LDR   r0,=bottom_of_heap
				    MOV   pc,lr
				
				    END
				
							

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