4 * This work is licensed under the terms of the GNU GPL, version 2 or later.
5 * See the COPYING file in the top-level directory.
7 #include "qemu/osdep.h"
8 #include "qemu-common.h"
9 #include "qemu/bswap.h"
10 #include "qemu/cutils.h"
11 #include "hw/display/edid.h"
13 static qemu_edid_info info;
15 static void usage(FILE *out)
19 "This is a test tool for the qemu edid generator.\n"
21 "Typically you'll pipe the output into edid-decode\n"
22 "to check if the generator works correctly.\n"
24 "usage: qemu-edid <options>\n"
26 " -h print this text\n"
27 " -o <file> set output file (stdout by default)\n"
28 " -v <vendor> set monitor vendor (three letters)\n"
29 " -n <name> set monitor name\n"
30 " -s <serial> set monitor serial\n"
31 " -d <dpi> set display resolution\n"
32 " -x <prefx> set preferred width\n"
33 " -y <prefy> set preferred height\n"
34 " -X <maxx> set maximum width\n"
35 " -Y <maxy> set maximum height\n"
39 int main(int argc, char *argv[])
46 rc = getopt(argc, argv, "ho:x:y:X:Y:d:v:n:s:");
53 fprintf(stderr, "outfile specified twice\n");
56 outfile = fopen(optarg, "w");
57 if (outfile == NULL) {
58 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
63 if (qemu_strtoui(optarg, NULL, 10, &info.prefx) < 0) {
64 fprintf(stderr, "not a number: %s\n", optarg);
69 if (qemu_strtoui(optarg, NULL, 10, &info.prefy) < 0) {
70 fprintf(stderr, "not a number: %s\n", optarg);
75 if (qemu_strtoui(optarg, NULL, 10, &info.maxx) < 0) {
76 fprintf(stderr, "not a number: %s\n", optarg);
81 if (qemu_strtoui(optarg, NULL, 10, &info.maxy) < 0) {
82 fprintf(stderr, "not a number: %s\n", optarg);
87 if (qemu_strtoui(optarg, NULL, 10, &info.dpi) < 0) {
88 fprintf(stderr, "not a number: %s\n", optarg);
110 if (outfile == NULL) {
114 memset(blob, 0, sizeof(blob));
115 qemu_edid_generate(blob, sizeof(blob), &info);
116 fwrite(blob, sizeof(blob), 1, outfile);