1 /* $NetBSD: bootinfo_memmap.c,v 1.2 2001/07/07 22:57:57 perry Exp $ */ 2 3 /* 4 * Copyright (c) 1999 5 * Matthias Drochner. 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 for the NetBSD Project 18 * by Matthias Drochner. 19 * 4. The name of the author may not be used to endorse or promote products 20 * derived from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 * 33 */ 34 35 #include <lib/libsa/stand.h> 36 #include "libi386.h" 37 #include "bootinfo.h" 38 39 extern int getmementry __P((int *, int *)); 40 41 void 42 bi_getmemmap() 43 { 44 int buf[5], i, nranges, n; 45 struct btinfo_memmap *bimm; 46 47 nranges = 0; 48 i = 0; 49 do { 50 if (getmementry(&i, buf)) 51 break; 52 nranges++; 53 } while (i); 54 55 bimm = alloc(sizeof(struct btinfo_memmap) 56 + (nranges - 1) * sizeof(struct bi_memmap_entry)); 57 58 i = 0; 59 for (n = 0; n < nranges; n++) { 60 getmementry(&i, buf); 61 memcpy(&bimm->entry[n], buf, sizeof(struct bi_memmap_entry)); 62 } 63 bimm->num = nranges; 64 65 BI_ADD(bimm, BTINFO_MEMMAP, sizeof(struct btinfo_memmap) 66 + (nranges - 1) * sizeof(struct bi_memmap_entry)); 67 } 68