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| author | Sam Leffler <sam@FreeBSD.org> | 2009-07-05 17:45:48 +0000 |
|---|---|---|
| committer | Sam Leffler <sam@FreeBSD.org> | 2009-07-05 17:45:48 +0000 |
| commit | 8c393fd1f0cc514a007104469b11eaeeefb829b6 (patch) | |
| tree | 5014c430476acd9a353d9342a22288dd1b848162 /sys/ia64/include/param.h | |
| parent | 559bfa18dce5da2a1ffd664bc16e2c4a6e49d8fc (diff) | |
| download | src-8c393fd1f0cc514a007104469b11eaeeefb829b6.tar.gz src-8c393fd1f0cc514a007104469b11eaeeefb829b6.zip | |
Cleanup ALIGNED_POINTER:
o add to platforms where it was missing (arm, i386, powerpc, sparc64, sun4v)
o define as "1" on amd64 and i386 where there is no restriction
o make the type returned consistent with ALIGN
o remove _ALIGNED_POINTER
o make associated comments consistent
Reviewed by: bde, imp, marcel
Approved by: re (kensmith)
Notes
Notes:
svn path=/head/; revision=195376
Diffstat (limited to 'sys/ia64/include/param.h')
| -rw-r--r-- | sys/ia64/include/param.h | 20 |
1 files changed, 3 insertions, 17 deletions
diff --git a/sys/ia64/include/param.h b/sys/ia64/include/param.h index f59c40883b79..cb805a6b344e 100644 --- a/sys/ia64/include/param.h +++ b/sys/ia64/include/param.h @@ -46,12 +46,6 @@ * Round p (pointer or byte index) up to a correctly-aligned value for all * data types (int, long, ...). The result is u_long and must be cast to * any desired pointer type. - * - * ALIGNED_POINTER is a boolean macro that checks whether an address - * is valid to fetch data elements of type t from on this architecture. - * This does not reflect the optimal alignment, just the possibility - * (within reasonable limits). - * */ #ifndef _ALIGNBYTES #define _ALIGNBYTES 15 @@ -59,9 +53,6 @@ #ifndef _ALIGN #define _ALIGN(p) (((u_long)(p) + _ALIGNBYTES) &~ _ALIGNBYTES) #endif -#ifndef _ALIGNED_POINTER -#define _ALIGNED_POINTER(p,t) ((((u_long)(p)) & (sizeof(t)-1)) == 0) -#endif #ifndef _NO_NAMESPACE_POLLUTION @@ -84,20 +75,15 @@ #define MAXCPU 1 #endif +#define ALIGNBYTES _ALIGNBYTES +#define ALIGN(p) _ALIGN(p) /* - * Round p (pointer or byte index) up to a correctly-aligned value for all - * data types (int, long, ...). The result is u_long and must be cast to - * any desired pointer type. - * * ALIGNED_POINTER is a boolean macro that checks whether an address * is valid to fetch data elements of type t from on this architecture. * This does not reflect the optimal alignment, just the possibility * (within reasonable limits). - * */ -#define ALIGNBYTES _ALIGNBYTES -#define ALIGN(p) _ALIGN(p) -#define ALIGNED_POINTER(p,t) _ALIGNED_POINTER(p,t) +#define ALIGNED_POINTER(p,t) ((((u_long)(p)) & (sizeof(t)-1)) == 0) /* * CACHE_LINE_SIZE is the compile-time maximum cache line size for an |