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Avoid memtest at scratch address 

When the tested address equals the scratch location, memtest will fail.

Signed-Off-By: Enrik Berkhan <Enrik.Berkhan@ge.com>
This commit is contained in:
Enrik Berkhan 2008-01-23 12:12:01 +01:00 committed by Wolfram Sang
parent 5c2afd89e1
commit bd0aed0ae0
1 changed files with 4 additions and 1 deletions
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5
commands/memtest.c
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@ -48,7 +48,7 @@ static int mem_test(ulong _start, ulong _end, ulong pattern_unused)
vu_long temp;
vu_long anti_pattern;
vu_long num_words;
#ifdef GFG_MEMTEST_SCRATCH
#ifdef CFG_MEMTEST_SCRATCH
vu_long *dummy = (vu_long*)CFG_MEMTEST_SCRATCH;
#else
vu_long *dummy = 0; /* yes, this is address 0x0, not NULL */
@ -67,6 +67,7 @@ static int mem_test(ulong _start, ulong _end, ulong pattern_unused)
0xaaaaaaaa, /* alternating 1/0 */
};
/* XXX: enforce alignment of start and end? */
for (;;) {
if (ctrlc()) {
putchar ('\n');
@ -94,6 +95,8 @@ static int mem_test(ulong _start, ulong _end, ulong pattern_unused)
* pattern and ~pattern).
*/
addr = start;
/* XXX */
if (addr == dummy) ++addr;
for (j = 0; j < sizeof(bitpattern)/sizeof(bitpattern[0]); j++) {
val = bitpattern[j];
for(; val != 0; val <<= 1) {