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/*
* 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);
}
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