diff options
Diffstat (limited to 'csim/main.c')
| -rw-r--r-- | csim/main.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/csim/main.c b/csim/main.c index a43d7c9..6e5bc29 100644 --- a/csim/main.c +++ b/csim/main.c @@ -12,10 +12,12 @@ #include "sim.h" + void usage() { printf ("\nUsage:\n\tcsim [options] <netlist_file>\n\n"); printf("Available options:\n"); - printf("\n -rom <file>\n\tLoad a filename as a ROM file for the machine\n"); + printf("\n -rom <prefix> <file>\n\tLoad a filename as a ROM file for the machine\n"); + printf("\tA given ROM file is used for all ROM chips with variable name having given prefix\n"); printf("\n -n <steps>\n\tOnly run #steps steps of simulation (0 = infinity)\n"); printf("\n -in <in-file>\n\tRead inputs from given file (eg. named pipe). Defaults to STDIN.\n"); printf("\n -out <out-file>\n\tWrite outputs to given file (eg. named pipe). Defaults to STDOut.\n"); @@ -24,7 +26,6 @@ void usage() { // Arguments to be parsed int steps = 12; -char *romfile = NULL; char *filename = NULL; char *infile = NULL; char *outfile = NULL; @@ -34,7 +35,14 @@ int main(int argc, char **argv) { for (i = 1; i < argc; i++) { if (!strcmp(argv[i], "-rom")) { if (++i == argc) usage(); - romfile = argv[i]; + if (++i == argc) usage(); + FILE *rom = fopen(argv[i], "r"); + if (!rom) { + fprintf(stderr, "Could not open ROM file: '%s'\n", argv[i]); + return 1; + } + add_rom(argv[i-1], rom); + fclose(rom); } else if (!strcmp(argv[i], "-n")) { if (++i == argc) usage(); steps = atoi(argv[i]); |