diff options
Diffstat (limited to 'tests/kernel/test_bitfield/src/bitfield.c')
-rw-r--r-- | tests/kernel/test_bitfield/src/bitfield.c | 208 |
1 files changed, 208 insertions, 0 deletions
diff --git a/tests/kernel/test_bitfield/src/bitfield.c b/tests/kernel/test_bitfield/src/bitfield.c new file mode 100644 index 000000000..39a117c3e --- /dev/null +++ b/tests/kernel/test_bitfield/src/bitfield.c @@ -0,0 +1,208 @@ +/* + * Copyright (c) 2016 Intel Corporation + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include <zephyr.h> +#include <arch/cpu.h> + +#include <tc_util.h> + +#define BIT_INDEX(bit) (bit >> 3) +#define BIT_VAL(bit) (1 << (bit & 0x7)) +#define BITFIELD_SIZE 512 + +void main(void) +{ + uint32_t b1 = 0; + unsigned char b2[BITFIELD_SIZE >> 3] = {0}; + int failed = 0; + int test_rv; + unsigned int bit; + int ret; + + TC_PRINT("twiddling bits....\n"); + + for (bit = 0; bit < 32; ++bit) { + sys_set_bit((mem_addr_t)&b1, bit); + if (b1 != (1 << bit)) { + b1 = (1 << bit); + TC_PRINT("sys_set_bit failed on bit %d\n", + bit); + failed++; + } + + if (!sys_test_bit((mem_addr_t)&b1, bit)) { + TC_PRINT("sys_test_bit did not detect bit %d\n", + bit); + failed++; + } + + sys_clear_bit((mem_addr_t)&b1, bit); + if (b1 != 0) { + b1 = 0; + TC_PRINT("sys_clear_bit failed for bit %d\n", + bit); + failed++; + } + + if (sys_test_bit((mem_addr_t)&b1, bit)) { + TC_PRINT("sys_test_bit erroneously detected bit %d\n", + bit); + failed++; + } + + ret = sys_test_and_set_bit((mem_addr_t)&b1, bit); + if (ret) { + TC_PRINT("sys_test_and_set_bit erroneously detected bit %d\n", + bit); + failed++; + } + if (b1 != (1 << bit)) { + b1 = (1 << bit); + TC_PRINT("sys_test_and_set_bit did not set bit %d\n", + bit); + failed++; + } + ret = sys_test_and_set_bit((mem_addr_t)&b1, bit); + if (!ret) { + TC_PRINT("sys_test_and_set_bit did not detect bit %d\n", + bit); + failed++; + } + if (b1 != (1 << bit)) { + b1 = (1 << bit); + TC_PRINT("sys_test_and_set_bit cleared bit %d\n", + bit); + failed++; + } + + ret = sys_test_and_clear_bit((mem_addr_t)&b1, bit); + if (!ret) { + TC_PRINT("sys_test_and_clear_bit did not detect bit %d\n", + bit); + failed++; + } + if (b1 != 0) { + b1 = 0; + TC_PRINT("sys_test_and_clear_bit did not clear bit %d\n", + bit); + failed++; + } + ret = sys_test_and_clear_bit((mem_addr_t)&b1, bit); + if (ret) { + TC_PRINT("sys_test_and_clear_bit erroneously detected bit %d\n", + bit); + failed++; + } + if (b1 != 0) { + b1 = 0; + TC_PRINT("sys_test_and_clear_bit set bit %d\n", + bit); + failed++; + } + } + + for (bit = 0; bit < BITFIELD_SIZE; ++bit) { + sys_bitfield_set_bit((mem_addr_t)b2, bit); + if (b2[BIT_INDEX(bit)] != BIT_VAL(bit)) { + TC_PRINT("got %d expected %d\n", b2[BIT_INDEX(bit)], + BIT_VAL(bit)); + TC_PRINT("sys_bitfield_set_bit failed for bit %d\n", + bit); + b2[BIT_INDEX(bit)] = BIT_VAL(bit); + failed++; + } + + if (!sys_bitfield_test_bit((mem_addr_t)b2, bit)) { + TC_PRINT("sys_bitfield_test_bit did not detect bit %d\n", + bit); + failed++; + } + + sys_bitfield_clear_bit((mem_addr_t)b2, bit); + if (b2[BIT_INDEX(bit)] != 0) { + b2[BIT_INDEX(bit)] = 0; + TC_PRINT("sys_bitfield_clear_bit failed for bit %d\n", + bit); + failed++; + } + + if (sys_bitfield_test_bit((mem_addr_t)b2, bit)) { + TC_PRINT("sys_bitfield_test_bit erroneously detected bit %d\n", + bit); + failed++; + } + + ret = sys_bitfield_test_and_set_bit((mem_addr_t)b2, bit); + if (ret) { + TC_PRINT("sys_bitfield_test_and_set_bit erroneously detected bit %d\n", + bit); + failed++; + } + if (b2[BIT_INDEX(bit)] != BIT_VAL(bit)) { + b2[BIT_INDEX(bit)] = BIT_VAL(bit); + TC_PRINT("sys_bitfield_test_and_set_bit did not set bit %d\n", + bit); + failed++; + } + ret = sys_bitfield_test_and_set_bit((mem_addr_t)b2, bit); + if (!ret) { + TC_PRINT("sys_bitfield_test_and_set_bit did not detect bit %d\n", + bit); + failed++; + } + if (b2[BIT_INDEX(bit)] != BIT_VAL(bit)) { + b2[BIT_INDEX(bit)] = BIT_VAL(bit); + TC_PRINT("sys_bitfield_test_and_set_bit cleared bit %d\n", + bit); + failed++; + } + + ret = sys_bitfield_test_and_clear_bit((mem_addr_t)b2, bit); + if (!ret) { + TC_PRINT("sys_bitfield_test_and_clear_bit did not detect bit %d\n", + bit); + failed++; + } + if (b2[BIT_INDEX(bit)] != 0) { + b2[BIT_INDEX(bit)] = 0; + TC_PRINT("sys_bitfield_test_and_clear_bit did not clear bit %d\n", + bit); + failed++; + } + ret = sys_bitfield_test_and_clear_bit((mem_addr_t)b2, bit); + if (ret) { + TC_PRINT("sys_bitfield_test_and_clear_bit erroneously detected bit %d\n", + bit); + failed++; + } + if (b2[BIT_INDEX(bit)] != 0) { + b2[BIT_INDEX(bit)] = 0; + TC_PRINT("sys_bitfield_test_and_clear_bit set bit %d\n", + bit); + failed++; + } + } + + if (failed) { + TC_PRINT("%d tests failed\n", failed); + test_rv = TC_FAIL; + } else { + test_rv = TC_PASS; + } + + TC_END_RESULT(test_rv); + TC_END_REPORT(test_rv); +} |