| Message ID | 1478636499-14339-9-git-send-email-drjones@redhat.com |
|---|---|
| State | Superseded |
| Headers | show |
Hi, On 08/11/16 20:21, Andrew Jones wrote: > From: Peter Xu <peterx@redhat.com> > > These macros will be useful to do page alignment checks. Reviewed-by: Andre Przywara <andre.przywara@arm.com> Cheers, Andre. > Signed-off-by: Peter Xu <peterx@redhat.com> > [drew: also added SZ_64K] > Signed-off-by: Andrew Jones <drjones@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; >
On Tue, Nov 08, 2016 at 09:21:36PM +0100, Andrew Jones wrote: > From: Peter Xu <peterx@redhat.com> > > These macros will be useful to do page alignment checks. > > Signed-off-by: Peter Xu <peterx@redhat.com> > [drew: also added SZ_64K] > Signed-off-by: Andrew Jones <drjones@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com>
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;