[PATCH 1/3] include: sbi: Add sbi_scratch_hartindex() macro

[Nicholas Piggin]

On Wed, Apr 15, 2026 at 04:30:00PM +0530, Anup Patel wrote:
> Add helper macro to extract hart index from scratch pointer. This
> can be used to check whether scratch pointer belongs to a particular
> hart or not.

Reviewed-by: Nicholas Piggin <npiggin at gmail.com>

> 
> Signed-off-by: Anup Patel <anup.patel at oss.qualcomm.com>
> ---
>  include/sbi/sbi_scratch.h | 6 ++++--
>  1 file changed, 4 insertions(+), 2 deletions(-)
> 
> diff --git a/include/sbi/sbi_scratch.h b/include/sbi/sbi_scratch.h
> index 58d54628..c12aa796 100644
> --- a/include/sbi/sbi_scratch.h
> +++ b/include/sbi/sbi_scratch.h
> @@ -166,9 +166,11 @@ do {									\
>  					= (__type)(__ptr);		\
>  } while (0)
>  
> +/** Get the hart index of a particular sbi_scratch */
> +#define sbi_scratch_hartindex(__scratch) ((__scratch)->hartindex)
> +
>  /** Get the hart index of the current hart */
> -#define current_hartindex() \
> -	(sbi_scratch_thishart_ptr()->hartindex)
> +#define current_hartindex() sbi_scratch_hartindex(sbi_scratch_thishart_ptr())
>  
>  /** Number of harts managed by this OpenSBI instance */
>  extern u32 sbi_scratch_hart_count;
> -- 
> 2.43.0
> 
> 
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