[PATCH 03/18] powerpc: Add PREFIXED SRR1 bit for future ISA version

Daniel Axtens dja at axtens.net
Wed Dec 18 19:23:11 AEDT 2019


Jordan Niethe <jniethe5 at gmail.com> writes:

> Add the bit definition for exceptions caused by prefixed instructions.
>
> Signed-off-by: Jordan Niethe <jniethe5 at gmail.com>
> ---
>  arch/powerpc/include/asm/reg.h | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h
> index 6f9fcc3d4c82..0a6d39fb4769 100644
> --- a/arch/powerpc/include/asm/reg.h
> +++ b/arch/powerpc/include/asm/reg.h
> @@ -778,6 +778,7 @@
>  
>  #define   SRR1_MCE_MCP		0x00080000 /* Machine check signal caused interrupt */
>  #define   SRR1_BOUNDARY		0x10000000 /* Prefixed instruction crosses 64-byte boundary */
> +#define   SRR1_PREFIXED		0x20000000 /* Exception caused by prefixed instruction */

You could probably squash this with the previous patch, and maybe the
next patch too.

Regards,
Daniel

>  
>  #define SPRN_HSRR0	0x13A	/* Save/Restore Register 0 */
>  #define SPRN_HSRR1	0x13B	/* Save/Restore Register 1 */
> -- 
> 2.20.1


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