Gerd Hoffmann | 72d277a | 2018-09-25 09:56:42 +0200 | [diff] [blame] | 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" |
Gerd Hoffmann | 72d277a | 2018-09-25 09:56:42 +0200 | [diff] [blame] | 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 | } |