configure: move accelerator logic to meson
[qemu.git] / qemu-edid.c
1 /*
2 * QEMU EDID test tool.
3 *
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.
6 */
7 #include "qemu/osdep.h"
8 #include "qemu/bswap.h"
9 #include "qemu/cutils.h"
10 #include "hw/display/edid.h"
11
12 static qemu_edid_info info = (qemu_edid_info) {
13 .prefx = 1024,
14 .prefy = 768,
15 };
16
17 static void usage(FILE *out)
18 {
19 fprintf(out,
20 "\n"
21 "This is a test tool for the qemu edid generator.\n"
22 "\n"
23 "Typically you'll pipe the output into edid-decode\n"
24 "to check if the generator works correctly.\n"
25 "\n"
26 "usage: qemu-edid <options>\n"
27 "options:\n"
28 " -h print this text\n"
29 " -o <file> set output file (stdout by default)\n"
30 " -v <vendor> set monitor vendor (three letters)\n"
31 " -n <name> set monitor name\n"
32 " -s <serial> set monitor serial\n"
33 " -d <dpi> set display resolution\n"
34 " -x <prefx> set preferred width\n"
35 " -y <prefy> set preferred height\n"
36 " -X <maxx> set maximum width\n"
37 " -Y <maxy> set maximum height\n"
38 "\n");
39 }
40
41 int main(int argc, char *argv[])
42 {
43 FILE *outfile = NULL;
44 uint8_t blob[256];
45 uint32_t dpi = 100;
46 int rc;
47
48 for (;;) {
49 rc = getopt(argc, argv, "ho:x:y:X:Y:d:v:n:s:");
50 if (rc == -1) {
51 break;
52 }
53 switch (rc) {
54 case 'o':
55 if (outfile) {
56 fprintf(stderr, "outfile specified twice\n");
57 exit(1);
58 }
59 outfile = fopen(optarg, "w");
60 if (outfile == NULL) {
61 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
62 exit(1);
63 }
64 break;
65 case 'x':
66 if (qemu_strtoui(optarg, NULL, 10, &info.prefx) < 0) {
67 fprintf(stderr, "not a number: %s\n", optarg);
68 exit(1);
69 }
70 break;
71 case 'y':
72 if (qemu_strtoui(optarg, NULL, 10, &info.prefy) < 0) {
73 fprintf(stderr, "not a number: %s\n", optarg);
74 exit(1);
75 }
76 break;
77 case 'X':
78 if (qemu_strtoui(optarg, NULL, 10, &info.maxx) < 0) {
79 fprintf(stderr, "not a number: %s\n", optarg);
80 exit(1);
81 }
82 break;
83 case 'Y':
84 if (qemu_strtoui(optarg, NULL, 10, &info.maxy) < 0) {
85 fprintf(stderr, "not a number: %s\n", optarg);
86 exit(1);
87 }
88 break;
89 case 'd':
90 if (qemu_strtoui(optarg, NULL, 10, &dpi) < 0) {
91 fprintf(stderr, "not a number: %s\n", optarg);
92 exit(1);
93 }
94 break;
95 case 'v':
96 info.vendor = optarg;
97 break;
98 case 'n':
99 info.name = optarg;
100 break;
101 case 's':
102 info.serial = optarg;
103 break;
104 case 'h':
105 usage(stdout);
106 exit(0);
107 default:
108 usage(stderr);
109 exit(1);
110 }
111 }
112
113 if (outfile == NULL) {
114 outfile = stdout;
115 }
116
117 info.width_mm = qemu_edid_dpi_to_mm(dpi, info.prefx);
118 info.height_mm = qemu_edid_dpi_to_mm(dpi, info.prefy);
119
120 memset(blob, 0, sizeof(blob));
121 qemu_edid_generate(blob, sizeof(blob), &info);
122 fwrite(blob, sizeof(blob), 1, outfile);
123 fflush(outfile);
124
125 exit(0);
126 }