FreeCalypso > hg > freecalypso-tools

comparison target-utils/env/crt0.S @ 0:e7502631a0f9

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initial import from freecalypso-sw rev 1033:5ab737ac3ad7
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 11 Jun 2016 00:13:35 +0000
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-1:000000000000 0:e7502631a0f9
1 #include "halt.h"
2
3 .text
4 .code 32
5 .global _entry
6 _entry:
7 ldr sp, =stack_bottom
8 @ zero bss
9 ldr r0, =__bss_start
10 ldr r2, =__bss_end
11 sub r1, r2, r0
12 bl bzero
13 @ C code entry
14 bl main
15 mov r0, #HALTCODE_MAINEXITED
16 .global _exit
17 _exit: nop
18 1: nop
19 b 1b