mirror of
https://github.com/autc04/Retro68.git
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106 lines
1.6 KiB
ArmAsm
106 lines
1.6 KiB
ArmAsm
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; h8/300 and h8/300h start up file.
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#include "setarch.h"
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#ifdef __H8300__
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.section .text
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.global _start
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_start:
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mov.w #_stack,sp
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mov.w #_edata,r0
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mov.w #_end,r1
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sub.w r2,r2
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.Loop: mov.w r2,@r0
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adds #2,r0
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cmp r1,r0
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blo .Loop
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#ifdef __ELF__
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mov.l #__fini,r0
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jsr @_atexit
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#ifdef __SIMULATOR__
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jsr @0xcc
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#endif
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jsr @__init
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#else
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#ifdef __SIMULATOR__
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jsr @0xcc
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#endif
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jsr @___main
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#endif
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jsr @_main
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jsr @_exit
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.section .stack
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_stack: .word 1
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#endif
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#ifdef __H8300H__
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.section .text
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.global _start
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_start:
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mov.l #_stack,sp
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mov.l #_edata,er0
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mov.l #_end,er1
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sub.w r2,r2 ; not sure about alignment requirements
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.Loop: mov.w r2,@er0 ; playing it safe for now
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adds #2,er0
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cmp.l er1,er0
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blo .Loop
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#ifdef __ELF__
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mov.l #__fini,er0
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jsr @_atexit
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#ifdef __SIMULATOR__
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jsr @0xcc
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#endif
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jsr @__init
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#else
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#ifdef __SIMULATOR__
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jsr @0xcc
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#endif
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jsr @___main
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#endif
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jsr @_main
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jsr @_exit
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.section .stack
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_stack: .long 1
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#endif
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#if defined (__H8300S__) || defined (__H8300SX__)
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.section .text
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.global _start
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_start:
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mov.l #_stack,sp
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mov.l #_edata,er0
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mov.l #_end,er1
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sub.w r2,r2 ; not sure about alignment requirements
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.Loop: mov.w r2,@er0 ; playing it safe for now
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adds #2,er0
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cmp.l er1,er0
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blo .Loop
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#ifdef __ELF__
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mov.l #__fini,er0
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jsr @_atexit
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#ifdef __SIMULATOR__
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jsr @0xcc
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#endif
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jsr @__init
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#else
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#ifdef __SIMULATOR__
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jsr @0xcc
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#endif
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jsr @___main
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#endif
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jsr @_main
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jsr @_exit
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.section .stack
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_stack: .long 1
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#endif
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