1 /* $NetBSD: hfs.c,v 1.2 2001/07/22 11:29:48 wiz Exp $ */ 2 3 /*- 4 * Copyright (c) 2000 Tsubai Masanari. 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 * 3. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include <sys/param.h> 30 #include <lib/libkern/libkern.h> 31 #include <lib/libsa/stand.h> 32 33 #include <openfirm.h> 34 #include <hfs.h> 35 36 static int OF_fd; /* XXX */ 37 38 int 39 hfs_open(path, f) 40 char *path; 41 struct open_file *f; 42 { 43 int chosen; 44 char bootpath[128], *cp; 45 46 if ((chosen = OF_finddevice("/chosen")) == -1) 47 return ENXIO; 48 memset(bootpath, 0, sizeof bootpath); 49 OF_getprop(chosen, "bootpath", bootpath, sizeof bootpath); 50 cp = strrchr(bootpath, ','); 51 if (cp == NULL) 52 return ENXIO; 53 54 strcpy(cp + 1, path); 55 OF_fd = OF_open(bootpath); 56 if (OF_fd == -1) 57 return ENOENT; 58 59 return 0; 60 } 61 62 int 63 hfs_close(f) 64 struct open_file *f; 65 { 66 OF_close(OF_fd); 67 return 0; 68 } 69 70 int 71 hfs_read(f, start, size, resid) 72 struct open_file *f; 73 void *start; 74 size_t size, *resid; 75 { 76 int len; 77 78 len = OF_read(OF_fd, start, size); 79 size -= len; 80 if (resid) 81 *resid = size; 82 return 0; 83 } 84 85 int 86 hfs_write(f, start, size, resid) 87 struct open_file *f; 88 void *start; 89 size_t size, *resid; 90 { 91 printf("hfs_write\n"); 92 return ENXIO; 93 } 94 95 off_t 96 hfs_seek(f, offset, where) 97 struct open_file *f; 98 off_t offset; 99 int where; 100 { 101 switch (where) { 102 case SEEK_SET: 103 return OF_seek(OF_fd, offset); 104 case SEEK_CUR: 105 case SEEK_END: 106 default: 107 return -1; 108 } 109 } 110 111 int 112 hfs_stat(f, sb) 113 struct open_file *f; 114 struct stat *sb; 115 { 116 return 0; 117 } 118