Commit 845d3f1f authored by Peter Xu's avatar Peter Xu Committed by Andrew Jones
Browse files

libcflat: add IS_ALIGNED() macro, and page sizes



These macros will be useful to do page alignment checks.
Reviewed-by: Andre Przywara's avatarAndre Przywara <andre.przywara@arm.com>
Reviewed-by: default avatarEric Auger <eric.auger@redhat.com>
Signed-off-by: default avatarPeter Xu <peterx@redhat.com>
[drew: also added SZ_64K and changed to shifts]
Signed-off-by: Andrew Jones's avatarAndrew Jones <drjones@redhat.com>
parent ac4a67b6
......@@ -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 (1 << 12)
#define SZ_64K (1 << 16)
#define SZ_2M (1 << 21)
#define SZ_1G (1 << 30)
typedef uint8_t u8;
typedef int8_t s8;
......
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