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| author | Alexander Aring <alex.aring@gmail.com> | 2013-06-04 01:13:49 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2013-06-05 22:54:34 +0200 |
| commit | 49686838a906e311967ccb79fd27f3ad30c7f157 (patch) | |
| tree | da86bf3d8d4fe38c6833e8dab4cff07cd4d61e93 | |
| parent | 71218359afe8fa05153e53a64973a76cb90997b5 (diff) | |
| download | barebox-49686838a906e311967ccb79fd27f3ad30c7f157.tar.gz barebox-49686838a906e311967ccb79fd27f3ad30c7f157.tar.xz | |
common: add ALIGN_DOWN macro
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| -rw-r--r-- | include/common.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/common.h b/include/common.h index 293ca49391..fc2c8ca8be 100644 --- a/include/common.h +++ b/include/common.h @@ -184,6 +184,7 @@ int run_shell(void); #define ALIGN(x, a) __ALIGN_MASK(x, (typeof(x))(a) - 1) #define __ALIGN_MASK(x, mask) (((x) + (mask)) & ~(mask)) +#define ALIGN_DOWN(x, a) ((x) & ~((typeof(x))(a) - 1)) #define PTR_ALIGN(p, a) ((typeof(p))ALIGN((unsigned long)(p), (a))) #define IS_ALIGNED(x, a) (((x) & ((typeof(x))(a) - 1)) == 0) |