devopen.c revision 1.1.18.2
1 1.1.18.2 jdolecek /* $NetBSD: devopen.c,v 1.1.18.2 2017/12/03 11:36:18 jdolecek Exp $ */ 2 1.1.18.2 jdolecek 3 1.1.18.2 jdolecek /*- 4 1.1.18.2 jdolecek * Copyright (c) 2005 The NetBSD Foundation, Inc. 5 1.1.18.2 jdolecek * All rights reserved. 6 1.1.18.2 jdolecek * 7 1.1.18.2 jdolecek * This code is derived from software contributed to The NetBSD Foundation 8 1.1.18.2 jdolecek * by Bang Jun-Young. 9 1.1.18.2 jdolecek * 10 1.1.18.2 jdolecek * Redistribution and use in source and binary forms, with or without 11 1.1.18.2 jdolecek * modification, are permitted provided that the following conditions 12 1.1.18.2 jdolecek * are met: 13 1.1.18.2 jdolecek * 1. Redistributions of source code must retain the above copyright 14 1.1.18.2 jdolecek * notice, this list of conditions and the following disclaimer. 15 1.1.18.2 jdolecek * 2. Redistributions in binary form must reproduce the above copyright 16 1.1.18.2 jdolecek * notice, this list of conditions and the following disclaimer in the 17 1.1.18.2 jdolecek * documentation and/or other materials provided with the distribution. 18 1.1.18.2 jdolecek * 19 1.1.18.2 jdolecek * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 1.1.18.2 jdolecek * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 1.1.18.2 jdolecek * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 1.1.18.2 jdolecek * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 1.1.18.2 jdolecek * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 1.1.18.2 jdolecek * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 1.1.18.2 jdolecek * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 1.1.18.2 jdolecek * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 1.1.18.2 jdolecek * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 1.1.18.2 jdolecek * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 1.1.18.2 jdolecek * POSSIBILITY OF SUCH DAMAGE. 30 1.1.18.2 jdolecek */ 31 1.1.18.2 jdolecek 32 1.1.18.2 jdolecek /* 33 1.1.18.2 jdolecek * Copyright (c) 1996, 1997 34 1.1.18.2 jdolecek * Matthias Drochner. All rights reserved. 35 1.1.18.2 jdolecek * 36 1.1.18.2 jdolecek * Redistribution and use in source and binary forms, with or without 37 1.1.18.2 jdolecek * modification, are permitted provided that the following conditions 38 1.1.18.2 jdolecek * are met: 39 1.1.18.2 jdolecek * 1. Redistributions of source code must retain the above copyright 40 1.1.18.2 jdolecek * notice, this list of conditions and the following disclaimer. 41 1.1.18.2 jdolecek * 2. Redistributions in binary form must reproduce the above copyright 42 1.1.18.2 jdolecek * notice, this list of conditions and the following disclaimer in the 43 1.1.18.2 jdolecek * documentation and/or other materials provided with the distribution. 44 1.1.18.2 jdolecek * 45 1.1.18.2 jdolecek * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 46 1.1.18.2 jdolecek * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 47 1.1.18.2 jdolecek * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 48 1.1.18.2 jdolecek * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 49 1.1.18.2 jdolecek * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 50 1.1.18.2 jdolecek * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 51 1.1.18.2 jdolecek * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 52 1.1.18.2 jdolecek * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 53 1.1.18.2 jdolecek * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 54 1.1.18.2 jdolecek * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 55 1.1.18.2 jdolecek */ 56 1.1.18.2 jdolecek 57 1.1.18.2 jdolecek #include "efiboot.h" 58 1.1.18.2 jdolecek 59 1.1.18.2 jdolecek #include <biosdisk.h> 60 1.1.18.2 jdolecek #include "devopen.h" 61 1.1.18.2 jdolecek #include <bootinfo.h> 62 1.1.18.2 jdolecek 63 1.1.18.2 jdolecek static int 64 1.1.18.2 jdolecek dev2bios(char *devname, int unit, int *biosdev) 65 1.1.18.2 jdolecek { 66 1.1.18.2 jdolecek 67 1.1.18.2 jdolecek if (strcmp(devname, "hd") == 0) 68 1.1.18.2 jdolecek *biosdev = 0x80 + unit; 69 1.1.18.2 jdolecek else 70 1.1.18.2 jdolecek return ENXIO; 71 1.1.18.2 jdolecek return 0; 72 1.1.18.2 jdolecek } 73 1.1.18.2 jdolecek 74 1.1.18.2 jdolecek void 75 1.1.18.2 jdolecek bios2dev(int biosdev, daddr_t sector, char **devname, int *unit, int *partition) 76 1.1.18.2 jdolecek { 77 1.1.18.2 jdolecek 78 1.1.18.2 jdolecek *unit = biosdev & 0x7f; 79 1.1.18.2 jdolecek *devname = "hd"; 80 1.1.18.2 jdolecek *partition = biosdisk_findpartition(biosdev, sector); 81 1.1.18.2 jdolecek } 82 1.1.18.2 jdolecek 83 1.1.18.2 jdolecek struct btinfo_bootpath bibp; 84 1.1.18.2 jdolecek extern bool kernel_loaded; 85 1.1.18.2 jdolecek 86 1.1.18.2 jdolecek /* 87 1.1.18.2 jdolecek * Open the EFI disk device 88 1.1.18.2 jdolecek */ 89 1.1.18.2 jdolecek int 90 1.1.18.2 jdolecek devopen(struct open_file *f, const char *fname, char **file) 91 1.1.18.2 jdolecek { 92 1.1.18.2 jdolecek char *fsname, *devname; 93 1.1.18.2 jdolecek int unit, partition; 94 1.1.18.2 jdolecek int biosdev; 95 1.1.18.2 jdolecek int error; 96 1.1.18.2 jdolecek 97 1.1.18.2 jdolecek if ((error = parsebootfile(fname, &fsname, &devname, 98 1.1.18.2 jdolecek &unit, &partition, (const char **) file)) 99 1.1.18.2 jdolecek || (error = dev2bios(devname, unit, &biosdev))) 100 1.1.18.2 jdolecek return error; 101 1.1.18.2 jdolecek 102 1.1.18.2 jdolecek f->f_dev = &devsw[0]; /* must be biosdisk */ 103 1.1.18.2 jdolecek 104 1.1.18.2 jdolecek if (!kernel_loaded) { 105 1.1.18.2 jdolecek strncpy(bibp.bootpath, *file, sizeof(bibp.bootpath)); 106 1.1.18.2 jdolecek BI_ADD(&bibp, BTINFO_BOOTPATH, sizeof(bibp)); 107 1.1.18.2 jdolecek } 108 1.1.18.2 jdolecek 109 1.1.18.2 jdolecek return biosdisk_open(f, biosdev, partition); 110 1.1.18.2 jdolecek } 111
Indexes created Fri Oct 03 15:10:06 GMT 2025