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| author | Jianjun Wang <jianjun.wang@mediatek.com> | 2021-11-30 10:51:53 +0800 |
|---|---|---|
| committer | Hung-Te Lin <hungte@chromium.org> | 2021-12-13 02:57:07 +0000 |
| commit | 8bb59ca2faee83ba50850900c8b4edf9331ae931 (patch) | |
| tree | fab7bde1be5ff24af106a41c8f47b7d4fac75762 /tests | |
| parent | 5588f34a35209f34d9061e6a83856289450d8131 (diff) | |
| download | coreboot-8bb59ca2faee83ba50850900c8b4edf9331ae931.tar.gz coreboot-8bb59ca2faee83ba50850900c8b4edf9331ae931.tar.bz2 coreboot-8bb59ca2faee83ba50850900c8b4edf9331ae931.zip | |
lib: Add __fls() (Find Last Set)
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>
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/lib/lib-test.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/tests/lib/lib-test.c b/tests/lib/lib-test.c index adaa2f9500ef..826c6c563a94 100644 --- a/tests/lib/lib-test.c +++ b/tests/lib/lib-test.c @@ -37,6 +37,15 @@ void test_ffs(void **state) assert_int_equal(__ffs(0xffffffff), 0); } +void test_fls(void **state) +{ + assert_int_equal(__fls(0x0), -1); + assert_int_equal(__fls(0x1), 0); + assert_int_equal(__fls(0x5), 2); + assert_int_equal(__fls(0x80000000), 31); + assert_int_equal(__fls(0xffffffff), 31); +} + void test_log2_ceil(void **state) { assert_int_equal(log2_ceil(0x0), -1); @@ -53,6 +62,7 @@ int main(void) cmocka_unit_test(test_clz), cmocka_unit_test(test_log2), cmocka_unit_test(test_ffs), + cmocka_unit_test(test_fls), cmocka_unit_test(test_log2_ceil), }; |