diff options
Diffstat (limited to 'test')
| -rw-r--r-- | test/nvmem.c | 72 |
1 files changed, 46 insertions, 26 deletions
diff --git a/test/nvmem.c b/test/nvmem.c index b70c4732f4..d09bf8752a 100644 --- a/test/nvmem.c +++ b/test/nvmem.c @@ -175,41 +175,61 @@ static int test_configured_nvmem(void) return nvmem_init(); } -/* Verify that nvmem_setup indeed reinitializes the entire NVMEM. */ -static int test_nvmem_setup(void) +/* Verify that nvmem_erase_user_data only erases the given user's data. */ +static int test_nvmem_erase_user_data(void) { uint32_t write_value; uint32_t read_value; + int i; nvmem_init(); - write_value = 1; - - /* Make sure both partitions have data in them. */ - nvmem_write(0, sizeof(write_value), &write_value, NVMEM_USER_0); - nvmem_commit(); - read_value = ~write_value; - nvmem_read(0, sizeof(read_value), &read_value, NVMEM_USER_0); - TEST_ASSERT(read_value == write_value); + /* Make sure all partitions have data in them. */ + for (i = 0; i < NVMEM_NUM_PARTITIONS; i++) { + write_value = i; + nvmem_write(0, sizeof(write_value), &write_value, NVMEM_USER_0); + write_value = 2; + nvmem_write(0, sizeof(write_value), &write_value, NVMEM_USER_1); + write_value = 3; + nvmem_write(0, sizeof(write_value), &write_value, NVMEM_USER_2); + nvmem_commit(); + } - nvmem_write(0, sizeof(write_value), &write_value, NVMEM_USER_0); - nvmem_commit(); + /* Check that the writes took place. */ read_value = ~write_value; nvmem_read(0, sizeof(read_value), &read_value, NVMEM_USER_0); - TEST_ASSERT(read_value == write_value); + TEST_ASSERT(read_value == i-1); + nvmem_read(0, sizeof(read_value), &read_value, NVMEM_USER_1); + TEST_ASSERT(read_value == 2); + nvmem_read(0, sizeof(read_value), &read_value, NVMEM_USER_2); + TEST_ASSERT(read_value == 3); - /* nvmem_setup() is supposed to erase both partitions. */ - nvmem_setup(); - - nvmem_read(0, sizeof(read_value), &read_value, NVMEM_USER_0); - TEST_ASSERT(read_value == 0xffffffff); - - /* Switch active partition. */ - nvmem_write(0, sizeof(write_value), &write_value, NVMEM_USER_0); - nvmem_commit(); - - nvmem_read(0, sizeof(read_value), &read_value, NVMEM_USER_0); - TEST_ASSERT(read_value != 0xffffffff); + /* + * nvmem_erase_user_data() is supposed to erase the user's data across + * all partitions. + */ + nvmem_erase_user_data(NVMEM_USER_0); + + for (i = 0; i < NVMEM_NUM_PARTITIONS; i++) { + /* Make sure USER 0's data is (still) gone. */ + nvmem_read(0, sizeof(read_value), &read_value, NVMEM_USER_0); + TEST_ASSERT(read_value == 0xffffffff); + + /* Make sure the other users' data has been untouched. */ + nvmem_read(0, sizeof(read_value), &read_value, NVMEM_USER_1); + TEST_ASSERT(read_value == 2); + + /* + * The active partition changes when the contents of the cache + * changes. Therefore, in order to examine all the paritions, + * we'll keep modifying one of the user's data. + */ + nvmem_read(0, sizeof(read_value), &read_value, NVMEM_USER_2); + TEST_ASSERT(read_value == (3+i)); + write_value = 4 + i; + nvmem_write(0, sizeof(write_value), &write_value, NVMEM_USER_2); + nvmem_commit(); + } return EC_SUCCESS; } @@ -689,7 +709,7 @@ void run_test(void) RUN_TEST(test_move); RUN_TEST(test_is_different); RUN_TEST(test_lock); - RUN_TEST(test_nvmem_setup); + RUN_TEST(test_nvmem_erase_user_data); RUN_TEST(test_nvmem_save); test_print_result(); } |