1 /* $NetBSD: Locore.c,v 1.7 2000/08/20 07:04:59 tsubai Exp $ */ 2 /*- 3 * Copyright (C) 1995, 1996 Wolfgang Solfrank. 4 * Copyright (C) 1995, 1996 TooLs GmbH. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by TooLs GmbH. 18 * 4. The name of TooLs GmbH 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 TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR 22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24 * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 25 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 26 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 27 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 28 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 29 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 30 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 #include <sys/cdefs.h> 34 __FBSDID("$FreeBSD$"); 35 36 #include <stand.h> 37 #include "libofw.h" 38 39 void startup(void *, int, int (*)(void *), char *, int); 40 41 __asm(" \n\ 42 .data \n\ 43 .align 4 \n\ 44 stack: \n\ 45 .space 16388 \n\ 46 \n\ 47 .text \n\ 48 .globl _start \n\ 49 _start: \n\ 50 lis %r1,stack@ha \n\ 51 addi %r1,%r1,stack@l \n\ 52 addi %r1,%r1,8192 \n\ 53 \n\ 54 /* Clear the .bss!!! */ \n\ 55 li %r0,0 \n\ 56 lis %r8,_edata@ha \n\ 57 addi %r8,%r8,_edata@l\n\ 58 lis %r9,_end@ha \n\ 59 addi %r9,%r9,_end@l \n\ 60 \n\ 61 1: cmpw 0,%r8,%r9 \n\ 62 bge 2f \n\ 63 stw %r0,0(%r8) \n\ 64 addi %r8,%r8,4 \n\ 65 b 1b \n\ 66 \n\ 67 2: b startup \n\ 68 "); 69 70 void main(int (*openfirm)(void *)); 71 72 void 73 startup(void *vpd, int res, int (*openfirm)(void *), char *arg, int argl) 74 { 75 main(openfirm); 76 } 77