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| author | aalugore <aalugore@us.ibm.com> | 2015-09-17 18:31:32 -0500 |
|---|---|---|
| committer | A. Patrick Williams III <iawillia@us.ibm.com> | 2015-09-18 21:14:48 -0500 |
| commit | 731725c50fbf662ca9d7e964e7f93529a04e87f0 (patch) | |
| tree | 0e61ee6fa23a1917b9186cda503cf72f63191341 /src/include/util | |
| parent | 978b2c75e301281fe4882dd30a2e365e6106faa4 (diff) | |
| download | talos-hostboot-731725c50fbf662ca9d7e964e7f93529a04e87f0.tar.gz talos-hostboot-731725c50fbf662ca9d7e964e7f93529a04e87f0.zip | |
Support for mixed DIMM configuration
-This change adds support for having both dual-drop and
single-drop DIMM configurations on the same system
Change-Id: I5bdca1479da857b7a92d2ce921ba0507a3732c14
RTC:135720
Depends-on:I9bba92f55f1b67ff4a15d79113f19d39272ec72d
Backport: release-fips840
Reviewed-on: http://gfw160.aus.stglabs.ibm.com:8080/gerrit/20501
Tested-by: Jenkins Server
Reviewed-by: A. Patrick Williams III <iawillia@us.ibm.com>
Diffstat (limited to 'src/include/util')
| -rw-r--r-- | src/include/util/align.H | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/include/util/align.H b/src/include/util/align.H index 10a836972..e582be767 100644 --- a/src/include/util/align.H +++ b/src/include/util/align.H @@ -54,4 +54,8 @@ // Return a number rounded to the next power of two. #define ALIGN_POW2(u) ((u&(u-1)) ? 1 << (64 - __builtin_clzl(u)) : u) #define ALIGN_POW2_DOWN(u) (u ? 1 << (63 - __builtin_clzl(u)) : 0) + +// Return a number rounded down to the right most power of 2 +#define ALIGN_RIGHTMOST_POW2(u) (u ? (1 << __builtin_ctzl(u)) : 0 ) + #endif |
