Subject: Re: [PATCH 1/2] Add PowerPC AT_HWCAP2 definitions

From: David Gibson <[email-masked]>
Date: Wed, 8 Jun 2016 12:19:52 +1000

On Tue, Jun 07, 2016 at 10:28:42PM +1000, Anton Blanchard wrote:
> From: Anton Blanchard <[email-masked]>
> 
> We need the PPC_FEATURE2_HAS_HTM bit in a subsequent patch, so
> add the PowerPC AT_HWCAP2 definitions.
> 
> Signed-off-by: Anton Blanchard <[email-masked]>

Applied to ppc-for-2.7.

Paolo or Peter: since this is a change to PPC specific bits, it seems
reasonable to go through my tree although it's technically a generic
header.  If someone wants to drop an explicit Ack, that wouldn't hurt
of course.

> ---
> 
> diff --git a/include/elf.h b/include/elf.h
> index 28d448b..8533b2a 100644
> --- a/include/elf.h
> +++ b/include/elf.h
> @@ -477,6 +477,19 @@ typedef struct {
>  #define PPC_FEATURE_TRUE_LE             0x00000002
>  #define PPC_FEATURE_PPC_LE              0x00000001
>  
> +/* Bits present in AT_HWCAP2 for PowerPC.  */
> +
> +#define PPC_FEATURE2_ARCH_2_07          0x80000000
> +#define PPC_FEATURE2_HAS_HTM            0x40000000
> +#define PPC_FEATURE2_HAS_DSCR           0x20000000
> +#define PPC_FEATURE2_HAS_EBB            0x10000000
> +#define PPC_FEATURE2_HAS_ISEL           0x08000000
> +#define PPC_FEATURE2_HAS_TAR            0x04000000
> +#define PPC_FEATURE2_HAS_VEC_CRYPTO     0x02000000
> +#define PPC_FEATURE2_HTM_NOSC           0x01000000
> +#define PPC_FEATURE2_ARCH_3_00          0x00800000
> +#define PPC_FEATURE2_HAS_IEEE128        0x00400000
> +
>  /* Bits present in AT_HWCAP for Sparc.  */
>  
>  #define HWCAP_SPARC_FLUSH               0x00000001
> 

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