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