On Mon, Jul 13, 2020 at 02:20:20PM -0500, Lijun Pan wrote:
>
>
> > On Jul 13, 2020, at 12:14 AM, David Gibson <da...@gibson.dropbear.id.au>
> > wrote:
> >
> > On Wed, Jul 01, 2020 at 06:43:41PM -0500, Lijun Pan wrote:
> >> Add PPC2_FEATURE2_ARCH_3_10 to the PowerPC AT_HWCAP2 definitions.
> >>
> >> Signed-off-by: Lijun Pan <l...@linux.ibm.com>
> >> ---
> >> v4: add missing changes, and split to 5/11, 6/11, 7/11
> >> v3: use tcg_gen_gvec_mul()
> >> v2: fix coding style
> >> use Power ISA 3.1 flag
> >>
> >> include/elf.h | 1 +
> >> 1 file changed, 1 insertion(+)
> >>
> >> diff --git a/include/elf.h b/include/elf.h
> >> index 8fbfe60e09..1858b95acf 100644
> >> --- a/include/elf.h
> >> +++ b/include/elf.h
> >> @@ -554,6 +554,7 @@ typedef struct {
> >> #define PPC_FEATURE2_HTM_NOSC 0x01000000
> >> #define PPC_FEATURE2_ARCH_3_00 0x00800000
> >> #define PPC_FEATURE2_HAS_IEEE128 0x00400000
> >> +#define PPC_FEATURE2_ARCH_3_10 0x00200000
> >>
> >> /* Bits present in AT_HWCAP for Sparc. */
> >
> >
> > Um.. in the corresponding #defines in the kernel 0x00200000 is given
> > to PPC_FEATURE2_DARN, and several more bits are allocated past that
> > point.
>
> Then what do you recommend to use?
This is part of exposed userland ABI, so it needs to be standardized
at least semi-formally. I'm not actually sure who allocates these in
general.
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson
signature.asc
Description: PGP signature
