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-rw-r--r--apps/compare_to_value.c65
1 files changed, 65 insertions, 0 deletions
diff --git a/apps/compare_to_value.c b/apps/compare_to_value.c
new file mode 100644
index 0000000..b6df9c0
--- /dev/null
+++ b/apps/compare_to_value.c
@@ -0,0 +1,65 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+
+int main(int argc, char *argv[]) {
+ long i, j, size, num;
+ size_t count = 0, total = 0;
+ int offset = 0, toread = 1, toskip = 0;
+ uint32_t value;
+ uint32_t *buf;
+
+ if ((argc != 4)&&(argc != 7)) {
+ printf("Usage: %s <file> <dwords> <value> [offset_dwords read_dwords skip_dwords] \n", argv[0]);
+ exit(0);
+ }
+
+ FILE *f = fopen(argv[1], "r");
+ if (!f) {
+ printf("Can't open %s\n", argv[1]);
+ exit(1);
+ }
+
+ size = atol(argv[2]);
+ if (size <= 0) {
+ printf("Can't parse size %s\n", argv[2]);
+ exit(1);
+ }
+
+ if (sscanf(argv[3], "%x", &value) != 1) {
+ printf("Can't parse register %s\n", argv[3]);
+ exit(1);
+ }
+
+ buf = malloc(size * sizeof(uint32_t));
+ if (!buf) {
+ printf("Can't allocate %lu bytes of memory\n", size * sizeof(uint32_t));
+ exit(1);
+ }
+
+ if (argc == 7) {
+ offset = atoi(argv[4]);
+ toread = atoi(argv[5]);
+ toskip = atoi(argv[6]);
+ }
+
+
+ num = fread(buf, 4, size, f);
+ if (num != size) {
+ printf("Only %lu of %lu dwords in the file\n", num, size);
+ }
+ fclose(f);
+
+ for (i = offset; i < size; i += toskip) {
+ for (j = 0; j < toread; j++, i++) {
+ total++;
+ if (buf[i] != value) {
+ count++;
+ }
+ }
+ }
+ free(buf);
+
+ printf("%lu of %lu is wrong\n", count, total);
+
+}