/alps/pcitool

#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);

	exit(1);

    }

    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);

    return 0;

}