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| author | Furquan Shaikh <furquan@google.com> | 2020-03-27 10:46:35 -0700 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2020-03-30 08:44:33 +0000 |
| commit | f79f8b4e33a4da257dfacce0eab582b4638791fc (patch) | |
| tree | a924a03b96a22eaf621ffa30419fc71a71a45bce /src | |
| parent | 654d9d6b36765408d507a22d49e142b331492891 (diff) | |
helpers: Add a helper macro for calculating power of 2
This change adds a helper macro POWER_OF_2 that is useful for
calculating the requested power of 2.
Change-Id: Ie70f93b6ac175699c11cae7d8f023a52cce01e88
Signed-off-by: Furquan Shaikh <furquan@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/39881
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Diffstat (limited to 'src')
| -rw-r--r-- | src/commonlib/bsd/include/commonlib/bsd/helpers.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/commonlib/bsd/include/commonlib/bsd/helpers.h b/src/commonlib/bsd/include/commonlib/bsd/helpers.h index a305df0cd5..4e6ebeefdd 100644 --- a/src/commonlib/bsd/include/commonlib/bsd/helpers.h +++ b/src/commonlib/bsd/include/commonlib/bsd/helpers.h @@ -52,6 +52,8 @@ (_power_local_x & (_power_local_x - 1)) == 0; \ }) +#define POWER_OF_2(x) (1ULL << (x)) + #define DIV_ROUND_UP(x, y) ({ \ __typeof__(x) _div_local_x = (x); \ __typeof__(y) _div_local_y = (y); \ |