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Annotation of sys/arch/sgi/stand/boot/start.S, Revision 1.1.1.1

1.1       nbrk        1: /*     $OpenBSD: start.S,v 1.1 2004/08/23 14:22:40 pefo Exp $ */
                      2:
                      3: /*
                      4:  * Copyright (c) 2001 Opsycon AB (www.opsycon.se)
                      5:  *
                      6:  * Redistribution and use in source and binary forms, with or without
                      7:  * modification, are permitted provided that the following conditions
                      8:  * are met:
                      9:  * 1. Redistributions of source code must retain the above copyright
                     10:  *    notice, this list of conditions and the following disclaimer.
                     11:  * 2. Redistributions in binary form must reproduce the above copyright
                     12:  *    notice, this list of conditions and the following disclaimer in the
                     13:  *    documentation and/or other materials provided with the distribution.
                     14:  * 3. All advertising materials mentioning features or use of this software
                     15:  *    must display the following acknowledgement:
                     16:  *     This product includes software developed under OpenBSD by
                     17:  *     Opsycon AB, Sweden (www.opsycon.com).
                     18:  * 4. The name of the author may not be used to endorse or promote products
                     19:  *    derived from this software without specific prior written permission.
                     20:  *
                     21:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
                     22:  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
                     23:  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     24:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
                     25:  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     26:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     27:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     28:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     29:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     30:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     31:  * SUCH DAMAGE.
                     32:  *
                     33:  */
                     34:
                     35: #define ABICALLS
                     36:
                     37: #include <machine/regdef.h>
                     38: #include <machine/asm.h>
                     39:
                     40: /*
                     41:  * Frame required for the debugger (if we have any)
                     42:  */
                     43: #define START_FRAME    ((4 * 4) + 4 + 4)
                     44:
                     45:        .globl  __start
                     46: __start:
                     47:        la      gp, _gp
                     48:
                     49:        jal     main
                     50:
                     51: 1:
                     52:        b       1b
                     53: