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rtems: Move rtems_cache_aligned_malloc()

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Make sure also the size is cache aligned since otherwise we may have
some overlap with the next allocation block.  A cache invalidate on this
area would be fatal.
This commit is contained in:
Sebastian Huber
2014-11-25 14:58:13 +01:00
parent 7981a885f8
commit 7e5c9b895e
17 changed files with 69 additions and 55 deletions
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31
testsuites/sptests/spcache01/init.c
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@@ -17,6 +17,7 @@
#endif
#include <stdio.h>
#include <stdlib.h>
#include <inttypes.h>
#include <rtems.h>
@@ -379,12 +380,42 @@ static void test_timing(void)
rtems_interrupt_lock_destroy(&lock);
}
static void test_cache_aligned_alloc(void)
{
void *p0;
void *p1;
size_t cls;
printf("test rtems_cache_aligned_malloc()\n");
p0 = rtems_cache_aligned_malloc(1);
p1 = rtems_cache_aligned_malloc(1);
rtems_test_assert(p0 != NULL);
rtems_test_assert(p1 != NULL);
cls = rtems_cache_get_data_line_size();
if (cls > 0) {
size_t m = cls - 1;
uintptr_t a0 = (uintptr_t) p0;
uintptr_t a1 = (uintptr_t) p1;
rtems_test_assert(a1 - a0 > cls);
rtems_test_assert((a0 & m) == 0);
rtems_test_assert((a1 & m) == 0);
}
free(p0);
free(p1);
}
static void Init(rtems_task_argument arg)
{
TEST_BEGIN();
test_data_flush_and_invalidate();
test_timing();
test_cache_aligned_alloc();
TEST_END();