newlib-cygwin/newlib/libc/sys/h8300hms/crt0.S

100 lines
1.3 KiB
ArmAsm

; h8/300 and h8/300h start up file.
#include "setarch.h"
#ifdef __H8300__
.section .text
.global _start
_start:
mov.w #_stack,sp
mov.w #_edata,r0
mov.w #_end,r2
sub.w r1,r1
sub.w r0,r2
jsr @_memset
#ifdef __ELF__
mov.l #__fini,r0
jsr @_atexit
#ifdef __SIMULATOR__
jsr @0xcc
#endif
jsr @__init
#else
#ifdef __SIMULATOR__
jsr @0xcc
#endif
jsr @___main
#endif
jsr @_main
jsr @_exit
.section .stack
_stack: .word 1
#endif
#ifdef __H8300H__
.section .text
.global _start
_start:
mov.l #_stack,sp
mov.l #_edata,er0
mov.l #_end,er2
sub.w r1,r1
sub.l er0,er2
jsr @_memset
#ifdef __ELF__
mov.l #__fini,er0
jsr @_atexit
#ifdef __SIMULATOR__
jsr @0xcc
#endif
jsr @__init
#else
#ifdef __SIMULATOR__
jsr @0xcc
#endif
jsr @___main
#endif
jsr @_main
jsr @_exit
.section .stack
_stack: .long 1
#endif
#if defined (__H8300S__) || defined (__H8300SX__)
.section .text
.global _start
_start:
mov.l #_stack,sp
mov.l #_edata,er0
mov.l #_end,er2
sub.w r1,r1
sub.l er0,er2
jsr @_memset
#ifdef __ELF__
mov.l #__fini,er0
jsr @_atexit
#ifdef __SIMULATOR__
jsr @0xcc
#endif
jsr @__init
#else
#ifdef __SIMULATOR__
jsr @0xcc
#endif
jsr @___main
#endif
jsr @_main
jsr @_exit
.section .stack
_stack: .long 1
#endif