106 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			ArmAsm
		
	
	
	
			
		
		
	
	
			106 lines
		
	
	
		
			1.6 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,r1
 | 
						|
	sub.w   r2,r2
 | 
						|
.Loop:	mov.w	r2,@r0
 | 
						|
	adds	#2,r0
 | 
						|
	cmp	r1,r0
 | 
						|
	blo	.Loop
 | 
						|
#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,er1
 | 
						|
	sub.w   r2,r2           ; not sure about alignment requirements
 | 
						|
.Loop:	mov.w	r2,@er0		; playing it safe for now
 | 
						|
	adds	#2,er0
 | 
						|
	cmp.l	er1,er0
 | 
						|
	blo	.Loop
 | 
						|
#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,er1
 | 
						|
	sub.w   r2,r2           ; not sure about alignment requirements
 | 
						|
.Loop:	mov.w	r2,@er0		; playing it safe for now
 | 
						|
	adds	#2,er0
 | 
						|
	cmp.l	er1,er0
 | 
						|
	blo	.Loop
 | 
						|
#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
 |