FreeCalypso > hg > freecalypso-tools
view target-utils/env/crt0.S @ 585:d3e2b23ebf1d
doc/Target-boot-control: finished for now
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Mon, 03 Feb 2020 05:22:21 +0000 |
parents | e7502631a0f9 |
children |
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#include "halt.h" .text .code 32 .global _entry _entry: ldr sp, =stack_bottom @ zero bss ldr r0, =__bss_start ldr r2, =__bss_end sub r1, r2, r0 bl bzero @ C code entry bl main mov r0, #HALTCODE_MAINEXITED .global _exit _exit: nop 1: nop b 1b