blob: c9237cb5d4a618e2444b797b1c70b03f64d19e20 [file] [log] [blame]
Paolo Bonzini2c65db52020-10-28 07:36:57 -04001/*
2 * QEMU firmware and keymap file search
3 *
4 * Copyright (c) 2003-2020 QEMU contributors
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24
25#include "qemu/osdep.h"
Paolo Bonzini2c65db52020-10-28 07:36:57 -040026#include "qemu/datadir.h"
27#include "qemu/cutils.h"
28#include "trace.h"
29
30static const char *data_dir[16];
31static int data_dir_idx;
32
33char *qemu_find_file(int type, const char *name)
34{
35 int i;
36 const char *subdir;
37 char *buf;
38
39 /* Try the name as a straight path first */
40 if (access(name, R_OK) == 0) {
41 trace_load_file(name, name);
42 return g_strdup(name);
43 }
44
45 switch (type) {
46 case QEMU_FILE_TYPE_BIOS:
47 subdir = "";
48 break;
49 case QEMU_FILE_TYPE_KEYMAP:
50 subdir = "keymaps/";
51 break;
52 default:
53 abort();
54 }
55
56 for (i = 0; i < data_dir_idx; i++) {
57 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
58 if (access(buf, R_OK) == 0) {
59 trace_load_file(name, buf);
60 return buf;
61 }
62 g_free(buf);
63 }
64 return NULL;
65}
66
67void qemu_add_data_dir(char *path)
68{
69 int i;
70
71 if (path == NULL) {
72 return;
73 }
74 if (data_dir_idx == ARRAY_SIZE(data_dir)) {
75 return;
76 }
77 for (i = 0; i < data_dir_idx; i++) {
78 if (strcmp(data_dir[i], path) == 0) {
79 g_free(path); /* duplicate */
80 return;
81 }
82 }
83 data_dir[data_dir_idx++] = path;
84}
85
Paolo Bonzini2c65db52020-10-28 07:36:57 -040086void qemu_add_default_firmwarepath(void)
87{
Akihiko Odaki8154f5e2022-06-25 00:40:42 +090088 static const char * const dirs[] = {
89 CONFIG_QEMU_FIRMWAREPATH
90 NULL
91 };
92
Paolo Bonzini2c65db52020-10-28 07:36:57 -040093 size_t i;
94
95 /* add configured firmware directories */
Paolo Bonzini2c65db52020-10-28 07:36:57 -040096 for (i = 0; dirs[i] != NULL; i++) {
97 qemu_add_data_dir(get_relocated_path(dirs[i]));
98 }
Paolo Bonzini2c65db52020-10-28 07:36:57 -040099
100 /* try to find datadir relative to the executable path */
Akihiko Odaki882084a2022-06-24 23:50:38 +0900101 qemu_add_data_dir(get_relocated_path(CONFIG_QEMU_DATADIR));
Paolo Bonzini2c65db52020-10-28 07:36:57 -0400102}
103
104void qemu_list_data_dirs(void)
105{
106 int i;
107 for (i = 0; i < data_dir_idx; i++) {
108 printf("%s\n", data_dir[i]);
109 }
110}