From: Peter Xu <pet...@redhat.com> These macros will be useful to do page alignment checks.
Reviewed-by: Andre Przywara <andre.przyw...@arm.com> Signed-off-by: Peter Xu <pet...@redhat.com> [drew: also added SZ_64K] Signed-off-by: Andrew Jones <drjo...@redhat.com> --- lib/libcflat.h | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/lib/libcflat.h b/lib/libcflat.h index 82005f5d014f..143fc53061fe 100644 --- a/lib/libcflat.h +++ b/lib/libcflat.h @@ -33,6 +33,12 @@ #define __ALIGN_MASK(x, mask) (((x) + (mask)) & ~(mask)) #define __ALIGN(x, a) __ALIGN_MASK(x, (typeof(x))(a) - 1) #define ALIGN(x, a) __ALIGN((x), (a)) +#define IS_ALIGNED(x, a) (((x) & ((typeof(x))(a) - 1)) == 0) + +#define SZ_4K (0x1000) +#define SZ_64K (0x10000) +#define SZ_2M (0x200000) +#define SZ_1G (0x40000000) typedef uint8_t u8; typedef int8_t s8; -- 2.7.4
