1 /* $NetBSD: hfs.c,v 1.5 2005/12/11 12:18:06 christos 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(const char *path, struct open_file *f) 40 { 41 int chosen; 42 char bootpath[128], *cp; 43 44 if ((chosen = OF_finddevice("/chosen")) == -1) 45 return ENXIO; 46 memset(bootpath, 0, sizeof bootpath); 47 OF_getprop(chosen, "bootpath", bootpath, sizeof bootpath); 48 cp = strrchr(bootpath, ','); 49 if (cp == NULL) 50 return ENXIO; 51 52 strcpy(cp + 1, path); 53 OF_fd = OF_open(bootpath); 54 if (OF_fd == -1) 55 return ENOENT; 56 57 return 0; 58 } 59 60 int 61 hfs_close(struct open_file *f) 62 { 63 OF_close(OF_fd); 64 return 0; 65 } 66 67 int 68 hfs_read(struct open_file *f, void *start, size_t size, size_t *resid) 69 { 70 int len; 71 72 len = OF_read(OF_fd, start, size); 73 size -= len; 74 if (resid) 75 *resid = size; 76 return 0; 77 } 78 79 int 80 hfs_write(struct open_file *f, void *start, size_t size, size_t *resid) 81 { 82 printf("hfs_write\n"); 83 return ENXIO; 84 } 85 86 off_t 87 hfs_seek(struct open_file *f, off_t offset, int where) 88 { 89 switch (where) { 90 case SEEK_SET: 91 return OF_seek(OF_fd, offset); 92 case SEEK_CUR: 93 case SEEK_END: 94 default: 95 return -1; 96 } 97 } 98 99 int 100 hfs_stat(struct open_file *f, struct stat *sb) 101 { 102 return 0; 103 } 104