Project: Added support for json log file

.gitignore

@@ -7,3 +7,5 @@ callgrind.out
 programs/cube.asm
 programs/utah_teapot.asm
 auxiliary_progs/stl_to_source_code
+
+simlog.json

cpu.c

@@ -581,6 +581,7 @@ int exec(struct simdata_t *simdata){
 	if(simdata->exec_data->cycles_left==0){
 		simdata->fetch_data->exec_done=1;
 		simdata->decode_data->exec_done=1;
+		simdata->finished_instructions++;
 	}
 	add_to_instr_list(&simdata->cpu_gui_hints->executing_list,simdata->exec_data->address);
 	return 0;

gui_internals.c

@@ -14,6 +14,68 @@ void drawbox(WINDOW *win,int x0, int y0, int x1, int y1){
 	mvwaddch(win,y1, x1, ACS_LRCORNER);
 }
 
+struct box_ret_dimensions_t{
+	int arrow1_y;
+};
+
+struct box_ret_dimensions_t* draw_exec(WINDOW *win, int startx,int starty,int endx,int endy,struct exec_data_t* exec_data){
+	struct box_ret_dimensions_t* box_ret_dimensions=malloc(sizeof(struct box_ret_dimensions_t));
+	if(!box_ret_dimensions)
+		return 0;
+
+	wattron(win,A_BOLD);
+	int boxwidth=endx-startx;
+	drawbox(win,startx,starty,startx+50,endy);
+	mvwprintw(win,starty,startx+boxwidth/2-8,"[ EXECUTE UNIT ]");
+	wattroff(win,A_BOLD);
+	starty+=2;
+	char *tofree;
+
+	mvwprintw(win,starty,startx+boxwidth/2-41/2,"valid=%d   EXEC_ACTION=%s",exec_data->valid, (tofree=EXEC_ACTION_t_to_string(exec_data->EXEC_ACTION)) );
+	free(tofree);
+	starty+=2;
+
+	mvwprintw(win,starty,startx+boxwidth/2-41/2,"ALU_OP=%s ", (tofree=ALU_OP_t_to_string(exec_data->ALU_OP)) );
+	free(tofree);
+	mvwprintw(win,starty,startx+boxwidth/2-41/2+20,"cycles_left=%d ", exec_data->cycles_left );
+	starty+=2;
+
+
+	mvwprintw(win,starty,startx+boxwidth/2-41/2,"COND=%s", (tofree=COND_t_to_string(exec_data->COND)) );
+	free(tofree);
+	mvwprintw(win,starty,startx+boxwidth/2-41/2+20,"address=%06X", exec_data->address);
+	starty+=2;
+
+
+	// Operand boxes
+	struct exec_op_t *cur;
+	for(int i=0;i<3;i++){
+		drawbox(win,startx+boxwidth/2-45/2,starty,startx+boxwidth/2-50/2+45,starty+3);
+		wattron(win,A_REVERSE);
+		switch(i){
+			case 0:
+				mvwprintw(win,starty,startx+5," Input operand 1 ");
+				cur=exec_data->in_op1;
+				break;
+			case 1:
+				box_ret_dimensions->arrow1_y=starty;
+				mvwprintw(win,starty,startx+5," Input operand 2 ");
+				cur=exec_data->in_op2;
+				break;
+			case 2:
+				mvwprintw(win,starty,startx+5," Output operand ");
+				cur=exec_data->out_op;
+				break;
+		}
+		wattroff(win,A_REVERSE);
+		starty+=2;
+		mvwprintw(win,starty,startx+7,"data=%06X   OP_ADDR=%s",cur->data , (tofree=OP_ADDR_t_to_string(cur->OP_ADDR)) );
+		free(tofree);
+		starty+=2;
+	}
+	return box_ret_dimensions;
+}
+
 int update_internals(WINDOW *win,struct simdata_t *simdata){
 	int width,height;
 	werase(win);
@@ -94,55 +156,9 @@ int update_internals(WINDOW *win,struct simdata_t *simdata){
 			starty+=1;
 
 			/* EXECUTE BOX */
-			wattron(win,A_BOLD);
-			drawbox(win,startx+20+boxwidth/2-50/2,starty,startx+20+boxwidth/2-50/2+50,starty+21);
-			mvwprintw(win,starty,startx+20+boxwidth/2-8,"[ EXECUTE UNIT ]");
-			wattroff(win,A_BOLD);
-			starty+=2;
-			char *tofree;
-
-			mvwprintw(win,starty,startx+20+boxwidth/2-41/2,"valid=%d   EXEC_ACTION=%s",simdata->exec_data->valid, (tofree=EXEC_ACTION_t_to_string(simdata->exec_data->EXEC_ACTION)) );
-			free(tofree);
-			starty+=2;
-
-			mvwprintw(win,starty,startx+20+boxwidth/2-41/2,"ALU_OP=%s ", (tofree=ALU_OP_t_to_string(simdata->exec_data->ALU_OP)) );
-			free(tofree);
-			mvwprintw(win,starty,startx+20+boxwidth/2-41/2+20,"cycles_left=%d ", simdata->exec_data->cycles_left );
-			starty+=2;
-
-
-			mvwprintw(win,starty,startx+20+boxwidth/2-41/2,"COND=%s", (tofree=COND_t_to_string(simdata->exec_data->COND)) );
-			free(tofree);
-			mvwprintw(win,starty,startx+20+boxwidth/2-41/2+20,"address=%06X", simdata->exec_data->address);
-			starty+=2;
-
-
-			// Operand boxes
-			struct exec_op_t *cur;
-			for(int i=0;i<3;i++){
-				drawbox(win,startx+20+boxwidth/2-45/2,starty,startx+20+boxwidth/2-50/2+45,starty+3);
-				wattron(win,A_REVERSE);
-				switch(i){
-					case 0:
-						mvwprintw(win,starty,startx+20+5," Input operand 1 ");
-						cur=simdata->exec_data->in_op1;
-						break;
-					case 1:
-						exec_arrow_y=starty;
-						mvwprintw(win,starty,startx+20+5," Input operand 2 ");
-						cur=simdata->exec_data->in_op2;
-						break;
-					case 2:
-						mvwprintw(win,starty,startx+20+5," Output operand ");
-						cur=simdata->exec_data->out_op;
-						break;
-				}
-				wattroff(win,A_REVERSE);
-				starty+=2;
-				mvwprintw(win,starty,startx+20+7,"data=%06X   OP_ADDR=%s",cur->data , (tofree=OP_ADDR_t_to_string(cur->OP_ADDR)) );
-				free(tofree);
-				starty+=2;
-			}
+			struct box_ret_dimensions_t* box_ret_dimensions=draw_exec(win,startx+20+boxwidth/2-50/2,starty,startx+20+boxwidth/2-50/2+50,starty+21,simdata->exec_data);
+			exec_arrow_y=box_ret_dimensions->arrow1_y;
+			free(box_ret_dimensions);
 
 			/* Wait for exec arrow */
 			mvwaddch(win,decode_arrow_exit_y,startx+20+50,ACS_LTEE);
@@ -205,4 +221,3 @@ int update_internals(WINDOW *win,struct simdata_t *simdata){
 	else
 		return 0;
 }
-

main.c

@@ -41,6 +41,7 @@ void help(char* progname){
 #else
 			"                            braille\n"
 #endif
+			"  -o < file >               Output simualtion data to specified json log file\n"
 			, progname);
 }
 
@@ -61,7 +62,9 @@ int main(int argc, char* argd[] ){
 	char *assemble = NULL;
 	enum FB_DRIVER_t fb_driver=FB_BRAILLE;
 	int opt;
-	while ((opt = getopt(argc, argd, "hi:a:r:")) != -1) {
+	char *json_log_filename=NULL;
+	FILE *JSON_LOG_FILE;
+	while ((opt = getopt(argc, argd, "hi:a:r:o:")) != -1) {
 		switch (opt) {
 			case 'h':
 				help(argd[0]);
@@ -88,6 +91,9 @@ int main(int argc, char* argd[] ){
 					return 1;
 				}
 				break;
+			case 'o':
+				json_log_filename=optarg;
+				break;
 			default:
 				help(argd[0]);
 				return 1;
@@ -104,6 +110,14 @@ int main(int argc, char* argd[] ){
 		help(argd[0]);
 		return 1;
 	}
+	if (json_log_filename){
+		JSON_LOG_FILE=fopen(json_log_filename,"w");
+		if(JSON_LOG_FILE==NULL){
+			printf("Error opening file \"%s\": %s\n",json_log_filename,strerror(errno));
+			return 1;
+		}
+		fprintf(JSON_LOG_FILE, "{\n\"end_of_simulation_data\" : {\n");
+	}
 
 	/// READ INPUT FILE ///
 	FILE* rom=fopen(infile,"r");
@@ -275,6 +289,14 @@ int main(int argc, char* argd[] ){
 				usleep(100000);
 		}
 
+		if(json_log_filename){
+			fprintf(JSON_LOG_FILE, "\"cycles_run_for\" : %lu ,\n", simdata->current_clock);
+			fprintf(JSON_LOG_FILE, "\"instructions_executed\" : %lu\n", simdata->finished_instructions);
+			fprintf(JSON_LOG_FILE, "}\n}\n" );
+
+			fclose(JSON_LOG_FILE);
+		}
+
 		if(end_gui()){
 			printf("Failed on end_gui()\n");
 			cpu_simdata_free(simdata);

parse_log.sh

@@ -0,0 +1,13 @@
+#!/bin/sh
+set -eu
+
+if ! [ "$#" = 1 ]
+then
+	echo $0 \<simlog json file\>
+	exit 1
+fi
+
+CYCLES=$(cat "$1" | json2tsv | sed -n '/^\.end_of_simulation_data\.cycles_run_for\t/s/\.end_of_simulation_data\.cycles_run_for\tn\t//p' )
+INSTRUCTIONS=$(cat "$1" | json2tsv | sed -n '/^\.end_of_simulation_data\.instructions_executed\t/s/\.end_of_simulation_data\.instructions_executed\tn\t//p' )
+
+echo executed $INSTRUCTIONS instructions with an IPC=$(echo "$INSTRUCTIONS/$CYCLES" | bc -l|grep -o '^.*\...')

simdata.c

@@ -25,10 +25,11 @@
 struct simdata_t *init_simdata(){
 	struct simdata_t * ret=malloc(sizeof(struct simdata_t));
 
-	if(!ret){
-		ret->current_clock=0;
+	if(!ret)
 		return 0;
-	}
+
+	ret->current_clock=0;
+	ret->finished_instructions=0;
 
 	ret->RAM=malloc(16777216); //Maximum addressable memory
 	if(!ret->RAM){

simdata.h

@@ -13,6 +13,7 @@ enum CPU_STRUCTURE_t{ //TODO: I would prefer this would go to cpu.h
 
 struct simdata_t{
 	long unsigned int current_clock;
+	long unsigned int finished_instructions;
 	uint8_t *RAM;
 
 	struct fetch_data_t *fetch_data;