Paolo Bonzini | 2c65db5 | 2020-10-28 07:36:57 -0400 | [diff] [blame] | 1 | /* |
| 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 Bonzini | 2c65db5 | 2020-10-28 07:36:57 -0400 | [diff] [blame] | 26 | #include "qemu/datadir.h" |
| 27 | #include "qemu/cutils.h" |
| 28 | #include "trace.h" |
| 29 | |
| 30 | static const char *data_dir[16]; |
| 31 | static int data_dir_idx; |
| 32 | |
| 33 | char *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 | |
| 67 | void 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 Bonzini | 2c65db5 | 2020-10-28 07:36:57 -0400 | [diff] [blame] | 86 | void qemu_add_default_firmwarepath(void) |
| 87 | { |
Akihiko Odaki | 8154f5e | 2022-06-25 00:40:42 +0900 | [diff] [blame] | 88 | static const char * const dirs[] = { |
| 89 | CONFIG_QEMU_FIRMWAREPATH |
| 90 | NULL |
| 91 | }; |
| 92 | |
Paolo Bonzini | 2c65db5 | 2020-10-28 07:36:57 -0400 | [diff] [blame] | 93 | size_t i; |
| 94 | |
| 95 | /* add configured firmware directories */ |
Paolo Bonzini | 2c65db5 | 2020-10-28 07:36:57 -0400 | [diff] [blame] | 96 | for (i = 0; dirs[i] != NULL; i++) { |
| 97 | qemu_add_data_dir(get_relocated_path(dirs[i])); |
| 98 | } |
Paolo Bonzini | 2c65db5 | 2020-10-28 07:36:57 -0400 | [diff] [blame] | 99 | |
| 100 | /* try to find datadir relative to the executable path */ |
Akihiko Odaki | 882084a | 2022-06-24 23:50:38 +0900 | [diff] [blame] | 101 | qemu_add_data_dir(get_relocated_path(CONFIG_QEMU_DATADIR)); |
Paolo Bonzini | 2c65db5 | 2020-10-28 07:36:57 -0400 | [diff] [blame] | 102 | } |
| 103 | |
| 104 | void 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 | } |