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[/] [openrisc/] [trunk/] [gnu-old/] [newlib-1.17.0/] [newlib/] [libc/] [sys/] [h8300hms/] [crt0.S] - Blame information for rev 862

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Line No. Rev Author Line
1 148 jeremybenn 
; 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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