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/* crt0.S -- startup file for moxie
*
* Copyright (c) 2008, 2009 Anthony Green
*
* The authors hereby grant permission to use, copy, modify, distribute,
* and license this software and its documentation for any purpose, provided
* that existing copyright notices are retained in all copies and that this
* notice is included verbatim in any distributions. No written agreement,
* license, or royalty fee is required for any of the authorized uses.
* Modifications to this software may be copyrighted by their authors
* and need not follow the licensing terms described here, provided that
* the new terms are clearly indicated on the first page of each file where
* they apply.
*/
.globl __start
.weak _start
.text
.type __start,@function
__start:
_start:
ldi.l $sp, _stack /* set the top of stack */
xor $fp, $fp /* zero fp to allow unwinders to stop */
/* zero the bss area */
ldi.l $r0, __bss_start__
xor $r1, $r1
ldi.l $r2, __bss_end__
sub.l $r2, $r0
jsra memset
/* Call _init to invoke static constructors, etc. */
jsra _init
/* Call _fini at exit time for static destructors. */
ldi.l $r0, _fini
jsra atexit
/* Set argc and argv. These are populated by the simulator. */
lda.l $r0, 0x4
ldi.l $r1, 0x8
jsra main
jsra exit
.Lend:
.size __start,(.Lend-__start)
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