diff options
Diffstat (limited to 'tests/get_phandle.c')
| -rw-r--r-- | tests/get_phandle.c | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/tests/get_phandle.c b/tests/get_phandle.c index 6973ee4..e97b49c 100644 --- a/tests/get_phandle.c +++ b/tests/get_phandle.c @@ -17,6 +17,7 @@ * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ +#include <stdbool.h> #include <stdlib.h> #include <stdio.h> #include <string.h> @@ -42,9 +43,30 @@ static void check_phandle(void *fdt, const char *path, uint32_t checkhandle) path, phandle, checkhandle); } +static void check_phandle_unique(const void *fdt, uint32_t checkhandle) +{ + uint32_t phandle; + int offset = -1; + + while (true) { + offset = fdt_next_node(fdt, offset, NULL); + if (offset < 0) { + if (offset == -FDT_ERR_NOTFOUND) + break; + + FAIL("error looking for phandle %#x", checkhandle); + } + + phandle = fdt_get_phandle(fdt, offset); + + if (phandle == checkhandle) + FAIL("generated phandle already exists"); + } +} + int main(int argc, char *argv[]) { - uint32_t max; + uint32_t max, phandle; void *fdt; int err; @@ -68,5 +90,11 @@ int main(int argc, char *argv[]) FAIL("fdt_get_max_phandle returned 0x%x instead of 0x%x\n", max, PHANDLE_2); + err = fdt_generate_phandle(fdt, &phandle); + if (err < 0) + FAIL("failed to generate phandle: %d", err); + + check_phandle_unique(fdt, phandle); + PASS(); } |