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memtest: Make cached/uncached test configurable 

Add options to explicitly test cached/uncached tests. Without these
options still both cached and uncached is tested if remapping is
supported.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Sascha Hauer 2015-10-23 14:57:13 +02:00
parent 8f2549abb7
commit 5a5838f5cc
1 changed files with 21 additions and 5 deletions
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26
commands/memtest.c
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@ -88,10 +88,11 @@ static int do_memtest(int argc, char *argv[])
uint32_t i, max_i = 1;
struct list_head memtest_used_regions;
int (*memtest)(struct list_head *, int, unsigned);
int cached = 0, uncached = 0;
memtest = do_memtest_biggest;
while ((opt = getopt(argc, argv, "i:bt")) > 0) {
while ((opt = getopt(argc, argv, "i:btcu")) > 0) {
switch (opt) {
case 'i':
max_i = simple_strtoul(optarg, NULL, 0);
@ -102,11 +103,22 @@ static int do_memtest(int argc, char *argv[])
case 't':
memtest = do_memtest_thorough;
break;
case 'c':
cached = 1;
break;
case 'u':
uncached = 1;
break;
default:
return COMMAND_ERROR_USAGE;
}
}
if (!arch_can_remap() && (cached || uncached)) {
printf("Cannot map cached or uncached\n");
return -EINVAL;
}
if (optind > argc)
return COMMAND_ERROR_USAGE;
@ -120,21 +132,23 @@ static int do_memtest(int argc, char *argv[])
if (max_i)
printf("Start iteration %u of %u.\n", i, max_i);
if (arch_can_remap()) {
/* First do a memtest with caching enabled. */
if (cached) {
printf("Do memtest with caching enabled.\n");
ret = memtest(&memtest_used_regions,
bus_only, MAP_CACHED);
if (ret < 0)
goto out;
}
/* Second do a memtest with caching disabled. */
if (uncached) {
printf("Do memtest with caching disabled.\n");
ret = memtest(&memtest_used_regions,
bus_only, MAP_UNCACHED);
if (ret < 0)
goto out;
} else {
}
if (!cached && !uncached) {
ret = memtest(&memtest_used_regions,
bus_only, MAP_DEFAULT);
if (ret < 0)
@ -166,6 +180,8 @@ BAREBOX_CMD_HELP_START(memtest)
BAREBOX_CMD_HELP_TEXT("Options:")
BAREBOX_CMD_HELP_OPT("-i ITERATIONS", "perform number of iterations (default 1, 0 is endless)")
BAREBOX_CMD_HELP_OPT("-b", "perform only a test on bus lines")
BAREBOX_CMD_HELP_OPT("-c", "cached. Test using cached memory")
BAREBOX_CMD_HELP_OPT("-u", "uncached. Test using uncached memory")
BAREBOX_CMD_HELP_OPT("-t", "thorough. test all free areas. If unset, only test biggest free area")
BAREBOX_CMD_HELP_END