diff --git a/csim.c b/csim.c
index cb3f4bb..2819fa5 100644
--- a/csim.c
+++ b/csim.c
@@ -36,6 +36,8 @@ void print_usage(void);
 void bad_usage_error(void);
 size_t parse_int_arg(char *arg, char opt);
 size_t bits_to_size(uint8_t bits);
+line** make_cache(size_t set_indices, size_t lines);
+void free_cache(line** cache, size_t lines);
 
 /* Global variables */
 uint8_t VERBOSE = 0; /**< If nonzero, mprintf will not print. Set in main() if -v flag is given. */
@@ -84,6 +86,8 @@ int main(int argc, char* argv[])
 	/* End of argument parsing. */
 	//printf("Arguments: s=%hhu, E=%zu, b=%hhu, t=%s, v=%hhu, 2^s=%zd, 2^b=%zu\n", set_index_bits, num_lines, block_bits, filename, VERBOSE, set_indices, block_size);
 
+	line** cache = make_cache(set_indices, num_lines);
+
 
 	/* FILE READING */
 	char buffer[20];
@@ -109,9 +113,27 @@ int main(int argc, char* argv[])
 	}
 
 	printSummary(0, 0, 0);
+	free_cache(cache, num_lines);
+
 	return 0;
 }
 
+line** make_cache(size_t set_indices, size_t lines)
+{
+	line** cache = calloc(set_indices, sizeof(line*));
+	int ii;
+	for (ii = 0; ii < lines; ii++)
+		cache[ii] = calloc(lines, sizeof(line));
+	return cache;
+}
+
+void free_cache(line** cache, size_t lines)
+{
+	int ii;
+	for (ii = 0; ii < lines; ii++)
+		free(cache[ii]);
+	free(cache);
+}
 
 void print_usage(void)
 {