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22 lines
595 B
ArmAsm
22 lines
595 B
ArmAsm
# Copyright 2008-2009 Segher Boessenkool <segher@kernel.crashing.org>
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# This code is licensed to you under the terms of the GNU GPL, version 2;
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# see file COPYING or http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt
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.globl _start
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_start:
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# Disable interrupts, enable FP.
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mfmsr 3 ; rlwinm 3,3,0,17,15 ; ori 3,3,0x2000 ; mtmsr 3 ; isync
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# Setup stack.
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lis 1,_stack_top@ha ; addi 1,1,_stack_top@l ; li 0,0 ; stwu 0,-64(1)
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# Clear BSS.
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lis 3,__bss_start@ha ; addi 3,3,__bss_start@l
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li 4,0
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lis 5,__bss_end@ha ; addi 5,5,__bss_end@l ; sub 5,5,3
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bl memset
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# Go!
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b app_booter_main
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