vu_long *addr, *start, *end;
ulong val;
ulong readback;
+ int rcode = 0;
#if defined(CFG_ALT_MEMTEST)
- vu_long addr_mask;
+ vu_long len;
vu_long offset;
vu_long test_offset;
vu_long pattern;
#else
ulong incr;
ulong pattern;
- int rcode = 0;
#endif
if (argc > 1) {
* all possible.
*
* Returns: 0 if the test succeeds, 1 if the test fails.
- *
- * ## NOTE ## Be sure to specify start and end
- * addresses such that addr_mask has
- * lots of bits set. For example an
- * address range of 01000000 02000000 is
- * bad while a range of 01000000
- * 01ffffff is perfect.
*/
- addr_mask = ((ulong)end - (ulong)start)/sizeof(vu_long);
+ len = ((ulong)end - (ulong)start)/sizeof(vu_long);
pattern = (vu_long) 0xaaaaaaaa;
anti_pattern = (vu_long) 0x55555555;
- PRINTF("%s:%d: addr mask = 0x%.8lx\n",
+ PRINTF("%s:%d: length = 0x%.8lx\n",
__FUNCTION__, __LINE__,
- addr_mask);
+ len);
/*
* Write the default pattern at each of the
* power-of-two offsets.
*/
- for (offset = 1; (offset & addr_mask) != 0; offset <<= 1) {
+ for (offset = 1; offset < len; offset <<= 1) {
start[offset] = pattern;
}
test_offset = 0;
start[test_offset] = anti_pattern;
- for (offset = 1; (offset & addr_mask) != 0; offset <<= 1) {
+ for (offset = 1; offset < len; offset <<= 1) {
temp = start[offset];
if (temp != pattern) {
printf ("\nFAILURE: Address bit stuck high @ 0x%.8lx:"
/*
* Check for addr bits stuck low or shorted.
*/
- for (test_offset = 1; (test_offset & addr_mask) != 0; test_offset <<= 1) {
+ for (test_offset = 1; test_offset < len; test_offset <<= 1) {
start[test_offset] = anti_pattern;
- for (offset = 1; (offset & addr_mask) != 0; offset <<= 1) {
+ for (offset = 1; offset < len; offset <<= 1) {
temp = start[offset];
if ((temp != pattern) && (offset != test_offset)) {
printf ("\nFAILURE: Address bit stuck low or shorted @"
}
incr = -incr;
}
- return rcode;
#endif
+ return rcode;
}