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Added alignment attribute

This commit is contained in:
Lorenz Meier 2013-10-10 08:42:54 +02:00
parent 6ffa2955b9
commit 6745a91071
1 changed files with 4 additions and 4 deletions
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8
src/systemcmds/tests/tests_file.c
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@ -63,7 +63,7 @@ test_file(int argc, char *argv[])
return 1;
}
uint8_t write_buf[512 + 64];
uint8_t write_buf[512 + 64] __attribute__((aligned(64)));
/* fill write buffer with known values */
for (int i = 0; i < sizeof(write_buf); i++) {
@ -71,7 +71,7 @@ test_file(int argc, char *argv[])
write_buf[i] = i+11;
}
uint8_t read_buf[512 + 64];
uint8_t read_buf[512 + 64] __attribute__((aligned(64)));
hrt_abstime start, end;
perf_counter_t wperf = perf_alloc(PC_ELAPSED, "SD writes (aligned)");
@ -87,8 +87,8 @@ test_file(int argc, char *argv[])
if (wret != 512) {
warn("WRITE ERROR!");
if ((0x3 & (uintptr_t)(write_buf + (i % 64))))
warnx("memory is unaligned, align shift: %d", (i % 64));
if ((0x3 & (uintptr_t)(write_buf + 1 /* (i % 64)*/)))
warnx("memory is unaligned, align shift: %d", 1/*(i % 64)*/);
}