run_avr: Add a way to trace just interruots vectors

[simavr] / simavr / sim / run_avr.c

diff --git a/simavr/sim/run_avr.c b/simavr/sim/run_avr.c
index 79879b9..ebc8b93 100644 (file)
--- a/simavr/sim/run_avr.c
+++ b/simavr/sim/run_avr.c
@@ -56,6 +56,8 @@ int main(int argc, char *argv[])
        int gdb = 0;
        char name[16] = "";
        uint32_t loadBase = AVR_SEGMENT_OFFSET_FLASH;
+       int trace_vectors[8] = {0};
+       int trace_vectors_count = 0;
 
        if (argc == 1)
                display_usage(basename(argv[0]));
@@ -75,6 +77,9 @@ int main(int argc, char *argv[])
                                display_usage(basename(argv[0]));
                } else if (!strcmp(argv[pi], "-t") || !strcmp(argv[pi], "-trace")) {
                        trace++;
+               } else if (!strcmp(argv[pi], "-ti")) {
+                       if (pi < argc-1)
+                               trace_vectors[trace_vectors_count++] = atoi(argv[++pi]);
                } else if (!strcmp(argv[pi], "-g") || !strcmp(argv[pi], "-gdb")) {
                        gdb++;
                } else if (!strcmp(argv[pi], "-ee")) {
@@ -134,6 +139,9 @@ int main(int argc, char *argv[])
                avr->pc = f.flashbase;
        }
        avr->trace = trace;
+       for (int ti = 0; ti < trace_vectors_count; ti++)
+               if (avr->vector[trace_vectors[ti]])
+                       avr->vector[trace_vectors[ti]]->trace++;
 
        // even if not setup at startup, activate gdb if crashing
        avr->gdb_port = 1234;