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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 | /* * Copyright (c) 2016 Intel Corporation * * SPDX-License-Identifier: Apache-2.0 */ #include <zephyr.h> #include <ztest.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 /** * @addtogroup kernel_common_tests * @{ */ /** * @brief Test bitfield operations * * @see sys_test_bit(), sys_set_bit(), sys_clear_bit(), * sys_bitfield_set_bit(), sys_bitfield_clear_bit(), * sys_bitfield_test_bit(), sys_bitfield_test_and_set_bit(), * sys_bitfield_test_and_clear_bit() */ void test_bitfield(void) { u32_t b1 = 0; unsigned char b2[BITFIELD_SIZE >> 3] = { 0 }; unsigned int bit; int ret; TC_PRINT("twiddling bits....\n"); for (bit = 0; bit < 32; ++bit) { sys_set_bit((mem_addr_t)&b1, bit); zassert_equal(b1, (1 << bit), "sys_set_bit failed on bit %d\n", bit); zassert_true(sys_test_bit((mem_addr_t)&b1, bit), "sys_test_bit did not detect bit %d\n", bit); sys_clear_bit((mem_addr_t)&b1, bit); zassert_equal(b1, 0, "sys_clear_bit failed for bit %d\n", bit); zassert_false(sys_test_bit((mem_addr_t)&b1, bit), "sys_test_bit erroneously detected bit %d\n", bit); zassert_false(sys_test_and_set_bit((mem_addr_t)&b1, bit), "sys_test_and_set_bit erroneously" " detected bit %d\n", bit); zassert_equal(b1, (1 << bit), "sys_test_and_set_bit did not set bit %d\n", bit); zassert_true(sys_test_and_set_bit((mem_addr_t)&b1, bit), "sys_test_and_set_bit did not detect bit %d\n", bit); zassert_equal(b1, (1 << bit), "sys_test_and_set_bit cleared bit %d\n", bit); zassert_true(sys_test_and_clear_bit((mem_addr_t)&b1, bit), "sys_test_and_clear_bit did not detect bit %d\n", bit); zassert_equal(b1, 0, "sys_test_and_clear_bit did not clear" " bit %d\n", bit); zassert_false(sys_test_and_clear_bit((mem_addr_t)&b1, bit), "sys_test_and_clear_bit erroneously detected" " bit %d\n", bit); zassert_equal(b1, 0, "sys_test_and_clear_bit set bit %d\n", bit); } for (bit = 0; bit < BITFIELD_SIZE; ++bit) { sys_bitfield_set_bit((mem_addr_t)b2, bit); zassert_equal(b2[BIT_INDEX(bit)], BIT_VAL(bit), "sys_bitfield_set_bit failed for bit %d\n", bit); zassert_true(sys_bitfield_test_bit((mem_addr_t)b2, bit), "sys_bitfield_test_bit did not detect bit %d\n", bit); sys_bitfield_clear_bit((mem_addr_t)b2, bit); zassert_equal(b2[BIT_INDEX(bit)], 0, "sys_bitfield_clear_bit failed for bit %d\n", bit); zassert_false(sys_bitfield_test_bit((mem_addr_t)b2, bit), "sys_bitfield_test_bit erroneously detected" " bit %d\n", bit); ret = sys_bitfield_test_and_set_bit((mem_addr_t)b2, bit); zassert_false(ret, "sys_bitfield_test_and_set_bit erroneously" " detected bit %d\n", bit); zassert_equal(b2[BIT_INDEX(bit)], BIT_VAL(bit), "sys_bitfield_test_and_set_bit did not set" " bit %d\n", bit); zassert_true(sys_bitfield_test_and_set_bit((mem_addr_t)b2, bit), "sys_bitfield_test_and_set_bit did not detect bit" " %d\n", bit); zassert_equal(b2[BIT_INDEX(bit)], BIT_VAL(bit), "sys_bitfield_test_and_set_bit cleared bit %d\n", bit); zassert_true(sys_bitfield_test_and_clear_bit((mem_addr_t)b2, bit), "sys_bitfield_test_and_clear_bit did not" " detect bit %d\n", bit); zassert_equal(b2[BIT_INDEX(bit)], 0, "sys_bitfield_test_and_clear_bit did not" " clear bit %d\n", bit); zassert_false(sys_bitfield_test_and_clear_bit((mem_addr_t)b2, bit), "sys_bitfield_test_and_clear_bit" " erroneously detected bit %d\n", bit); zassert_equal(b2[BIT_INDEX(bit)], 0, "sys_bitfield_test_and_clear_bit set bit %d\n", bit); } } /** * @} */ |