Added simulator monitor tool.

4 files changed, 22 insertions, 9 deletions

diff --git a/csim/Makefile b/csim/Makefile
index 6827579..ae4cc4e 100644
--- a/csim/Makefile
+++ b/csim/Makefile
@@ -1,5 +1,5 @@
 csim: main.o load.o sim.o util.o
-	gcc -o csim $^
+	gcc -o $@ $^
 
 %.o: %.c
 	gcc -c $< -o $@ -O2 -g
diff --git a/csim/main.c b/csim/main.c
index 5689cb4..2a88fbc 100644
--- a/csim/main.c
+++ b/csim/main.c
@@ -14,18 +14,18 @@
 
 
 void usage() {
-    printf ("\nUsage:\n\tcsim [options] <netlist_file>\n\n");
-    printf("Available options:\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");
+    fprintf(stderr, "\nUsage:\n\tcsim [options] <netlist_file>\n\n");
+    fprintf(stderr, "Available options:\n");
+    fprintf(stderr, "\n    -rom <prefix> <file>\n\tLoad a filename as a ROM file for the machine\n");
+    fprintf(stderr, "\tA given ROM file is used for all ROM chips with variable name having given prefix\n");
+    fprintf(stderr, "\n    -n <steps>\n\tOnly run #steps steps of simulation (0 = infinity)\n");
+    fprintf(stderr, "\n    -in <in-file>\n\tRead inputs from given file (eg. named pipe). Defaults to STDIN.\n");
+    fprintf(stderr, "\n    -out <out-file>\n\tWrite outputs to given file (eg. named pipe). Defaults to STDOUT.\n");
     exit(1);
 }
 
 // Arguments to be parsed
-int steps = 12;
+int steps = 0;
 char *filename = NULL;
 char *infile = NULL;
 char *outfile = NULL;
@@ -88,6 +88,7 @@ int main(int argc, char **argv) {
 
     // Run
     t_machine *machine = init_machine(program);
+    machine_banner(machine, output);
     i = 0;
     while (i < steps || steps == 0) {
         read_inputs(machine, input);
diff --git a/csim/sim.c b/csim/sim.c
index 04cad15..f91ac75 100644
--- a/csim/sim.c
+++ b/csim/sim.c
@@ -52,6 +52,17 @@ t_machine *init_machine (t_program *p) {
     return m;
 }
 
+void machine_banner(t_machine *m, FILE *stream) {
+    int i;
+    fprintf(stream, "%d %d\n", m->prog->n_inputs, m->prog->n_outputs);
+    for (i = 0; i < m->prog->n_inputs; i++) {
+        fprintf(stream, "%d %s\n",
+                m->prog->vars[m->prog->inputs[i]].size,
+                m->prog->vars[m->prog->inputs[i]].name);
+    }
+    fprintf(stream, "\n");
+}
+
 void read_inputs(t_machine *m, FILE *stream) {
     /*  FORMAT :
         For each input in the list, *in the order specified*,
diff --git a/csim/sim.h b/csim/sim.h
index 0265f53..b06399f 100644
--- a/csim/sim.h
+++ b/csim/sim.h
@@ -124,6 +124,7 @@ void add_rom(const char *prefix, FILE *file);
 
 // Implemented in sim.c
 t_machine *init_machine(t_program *p);
+void machine_banner(t_machine *m, FILE *stream);
 void read_inputs(t_machine *m, FILE *stream);
 void machine_step(t_machine *m);
 void write_outputs(t_machine *m, FILE *stream);