8bb59ca2fa
Implement __fls() as an alias for log2(), and remove the duplicate definitions in commonlib/storage/sdhci.c. Signed-off-by: Jianjun Wang <jianjun.wang@mediatek.com> Change-Id: Ib458abfec7e03b2979569a8440a6e69b0285ac32 Reviewed-on: https://review.coreboot.org/c/coreboot/+/59738 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Julius Werner <jwerner@chromium.org> Reviewed-by: Yu-Ping Wu <yupingso@google.com>
71 lines
1.6 KiB
C
71 lines
1.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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#include <lib.h>
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#include <tests/test.h>
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void test_popcnt(void **state)
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{
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assert_int_equal(popcnt(0x0), 0);
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assert_int_equal(popcnt(0x10), 1);
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assert_int_equal(popcnt(0x10010010), 3);
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assert_int_equal(popcnt(0xffffffff), 32);
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}
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void test_clz(void **state)
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{
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assert_int_equal(clz(0x0), 32);
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assert_int_equal(clz(0xf), 28);
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assert_int_equal(clz(0x80000000), 0);
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assert_int_equal(clz(0xffffffff), 0);
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}
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void test_log2(void **state)
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{
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assert_int_equal(log2(0x0), -1);
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assert_int_equal(log2(0x1), 0);
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assert_int_equal(log2(0x5), 2);
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assert_int_equal(log2(0x80000000), 31);
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assert_int_equal(log2(0xffffffff), 31);
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}
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void test_ffs(void **state)
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{
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assert_int_equal(__ffs(0x0), -1);
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assert_int_equal(__ffs(0x1), 0);
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assert_int_equal(__ffs(0x1010), 4);
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assert_int_equal(__ffs(0x10000000), 28);
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assert_int_equal(__ffs(0xffffffff), 0);
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}
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void test_fls(void **state)
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{
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assert_int_equal(__fls(0x0), -1);
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assert_int_equal(__fls(0x1), 0);
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assert_int_equal(__fls(0x5), 2);
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assert_int_equal(__fls(0x80000000), 31);
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assert_int_equal(__fls(0xffffffff), 31);
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}
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void test_log2_ceil(void **state)
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{
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assert_int_equal(log2_ceil(0x0), -1);
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assert_int_equal(log2_ceil(0x1), 0);
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assert_int_equal(log2_ceil(0x5), 3);
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assert_int_equal(log2_ceil(0x80000000), 31);
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assert_int_equal(log2_ceil(0xffffffff), 32);
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}
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int main(void)
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{
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const struct CMUnitTest tests[] = {
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cmocka_unit_test(test_popcnt),
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cmocka_unit_test(test_clz),
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cmocka_unit_test(test_log2),
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cmocka_unit_test(test_ffs),
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cmocka_unit_test(test_fls),
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cmocka_unit_test(test_log2_ceil),
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};
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return cb_run_group_tests(tests, NULL, NULL);
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}
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