| Age | Commit message (Collapse) | Author | |
|---|---|---|---|
| 2021-12-13 | lib: Add __fls() (Find Last Set) | Jianjun Wang | |
| 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> | |||
| 2021-12-08 | lib: Fix log2_ceil() for 0xffffffff | Yu-Ping Wu | |
| Current log2_ceil(x) is defined as log2(x * 2 - 1). When x is larger than (1 << 31), (x * 2 - 1) won't fit in u32, leading to incorrect result. Therefore, correct it as (log2(x - 1) + 1). Also add unit tests for inline functions in lib.h. BUG=none TEST=make tests/lib/lib-test BRANCH=none Change-Id: If868f793b909a6ad7fc48a7affac15e2c714fa2e Signed-off-by: Yu-Ping Wu <yupingso@chromium.org> Reviewed-on: https://review.coreboot.org/c/coreboot/+/59834 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Julius Werner <jwerner@chromium.org> Reviewed-by: Paul Menzel <paulepanter@mailbox.org> | |||
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