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110 lines
2.9 KiB
C
110 lines
2.9 KiB
C
/*
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* QEMU firmware and keymap file search
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*
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* Copyright (c) 2003-2020 QEMU contributors
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "qemu/osdep.h"
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#include "qemu/datadir.h"
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#include "qemu/cutils.h"
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#include "trace.h"
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static const char *data_dir[16];
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static int data_dir_idx;
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char *qemu_find_file(int type, const char *name)
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{
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int i;
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const char *subdir;
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char *buf;
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/* Try the name as a straight path first */
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if (qemu_access(name, R_OK) == 0) {
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trace_load_file(name, name);
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return g_strdup(name);
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}
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switch (type) {
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case QEMU_FILE_TYPE_BIOS:
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subdir = "";
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break;
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case QEMU_FILE_TYPE_KEYMAP:
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subdir = "keymaps/";
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break;
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default:
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abort();
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}
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for (i = 0; i < data_dir_idx; i++) {
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buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
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if (qemu_access(buf, R_OK) == 0) {
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trace_load_file(name, buf);
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return buf;
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}
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g_free(buf);
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}
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return NULL;
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}
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void qemu_add_data_dir(char *path)
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{
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int i;
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if (path == NULL) {
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return;
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}
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if (data_dir_idx == ARRAY_SIZE(data_dir)) {
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return;
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}
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for (i = 0; i < data_dir_idx; i++) {
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if (strcmp(data_dir[i], path) == 0) {
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g_free(path); /* duplicate */
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return;
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}
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}
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data_dir[data_dir_idx++] = path;
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}
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void qemu_add_default_firmwarepath(void)
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{
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static const char * const dirs[] = {
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CONFIG_QEMU_FIRMWAREPATH
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NULL
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};
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size_t i;
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/* add configured firmware directories */
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for (i = 0; dirs[i] != NULL; i++) {
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qemu_add_data_dir(get_relocated_path(dirs[i]));
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}
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/* try to find datadir relative to the executable path */
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qemu_add_data_dir(get_relocated_path(CONFIG_QEMU_DATADIR));
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}
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void qemu_list_data_dirs(void)
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{
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int i;
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for (i = 0; i < data_dir_idx; i++) {
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printf("%s\n", data_dir[i]);
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}
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}
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