summaryrefslogtreecommitdiff
path: root/test/utils.c
diff options
context:
space:
mode:
Diffstat (limited to 'test/utils.c')
-rw-r--r--test/utils.c27
1 files changed, 27 insertions, 0 deletions
diff --git a/test/utils.c b/test/utils.c
index c382a46828..a5a53a5eb9 100644
--- a/test/utils.c
+++ b/test/utils.c
@@ -12,6 +12,7 @@
#include "test_util.h"
#include "timer.h"
#include "util.h"
+#include "watchdog.h"
static int test_memmove(void)
{
@@ -356,6 +357,31 @@ static int test_cond_t(void)
return EC_SUCCESS;
}
+static int test_mula32(void)
+{
+ uint64_t r = 0x0;
+ uint32_t b = 0x1;
+ uint32_t c = 0x1;
+ uint32_t i;
+ timestamp_t t0, t1;
+
+ t0 = get_time();
+ for (i = 0; i < 5000000; i++) {
+ r = mula32(b, c, r + (r >> 32));
+ b = (b << 13) ^ (b >> 2) ^ i;
+ c = (c << 16) ^ (c >> 7) ^ i;
+ watchdog_reload();
+ }
+ t1 = get_time();
+
+ ccprintf("After %d iterations, r=%08x%08x (time: %d)\n", i,
+ (uint32_t)(r >> 32), (uint32_t)r, t1.le.lo-t0.le.lo);
+ TEST_ASSERT(r == 0x9df59b9fb0ab9d96L);
+
+ /* well okay then */
+ return EC_SUCCESS;
+}
+
void run_test(void)
{
test_reset();
@@ -371,6 +397,7 @@ void run_test(void)
RUN_TEST(test_shared_mem);
RUN_TEST(test_scratchpad);
RUN_TEST(test_cond_t);
+ RUN_TEST(test_mula32);
test_print_result();
}