start.S revision 1.4
1 /* $NetBSD: start.S,v 1.4 2023/10/08 03:57:47 tsutsui Exp $ */ 2 3 /*- 4 * Copyright (c) 1999 Izumi Tsutsui. All rights reserved. 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 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27 #include <m68k/asm.h> 28 29 .text 30 .align 4 31 32 ASENTRY_NOPROFILE(start) 33 jra 1f 34 .word 0 35 .word 0 36 .word 0 37 .word 0 38 .word 0 39 .word 0 40 41 42 /* disklabel here */ 43 .space 0x1f0 44 45 1: 46 lea 0x3e0000,%sp | 47 movl %d7,%sp@- | %d7: bootargs 48 movl %d6,%sp@- | %d6: bootdev 49 movl %d5,%sp@- | %d5: kernel 50 movl %d4,%sp@- | %d4: physmem 51 52 jbsr _C_LABEL(bootxx) 53 lea %sp@(16),%sp 54 55 jra _C_LABEL(rom_halt) 56
Indexes created Tue Sep 30 11:09:46 GMT 2025