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mini-jtag: load bitstream from stdin

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This commit is contained in:
Xiangfu 2012-09-24 15:05:48 +08:00
parent f04b598e9d
commit 2ac278daad
1 changed files with 12 additions and 7 deletions
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19
mini-jtag/mini-jtag.c
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@ -49,7 +49,7 @@ void usage(char *name)
"Usage:\n"
" idcode\n"
" reset\n"
" load <bits file>\n"
" load <bits file|- for stdin>\n"
" readreg <reg>\tRead configure register status\n"
" read|write reg <value>\n"
"Report bugs to xiangfu@openmobilefree.net\n"
@ -132,14 +132,19 @@ int main(int argc, char **argv)
}
struct load_bits *bs;
FILE *pld_file;
FILE *fp;
uint8_t *dr_data;
uint32_t u;
int i;
if ((pld_file = fopen(argv[2], "r")) == NULL) {
perror("Unable to open file");
goto exit;
if (!strcmp(argv[2], "-"))
fp = stdin;
else {
fp = fopen(argv[2], "r");
if (!fp) {
perror("Unable to open file");
goto exit;
}
}
bs = calloc(1, sizeof(*bs));
@ -148,7 +153,7 @@ int main(int argc, char **argv)
goto exit;
}
if (load_bits(pld_file, bs) != 0) {
if (load_bits(fp, bs) != 0) {
fprintf(stderr, "%s not supported\n", argv[2]);
goto free_bs;
}
@ -196,7 +201,7 @@ int main(int argc, char **argv)
free(dr_data);
free_bs:
bits_free(bs);
fclose(pld_file);
fclose(fp);
}
if (!strcmp(argv[1], "readreg") && argc == 3) {