[PATCH V2 3/6] riscv: Implement test for architecture ID register

[Andrew Jones]

On Wed, Mar 13, 2024 at 09:46:21AM +0100, cem at kernel.org wrote:
> From: Carlos Maiolino <cem at kernel.org>
> 
> Probe the MARCHID register and compare it to the specified MARCHID
> environment variable.
> 
> Signed-off-by: Carlos Maiolino <cmaiolino at redhat.com>
> Reviewed-by: Andrew Jones <ajones at ventanamicro.com>
> ---
> V2:
> 	- Wrap commit message around 70 chars
> 	- Remove unneeded blank lines
> 
>  riscv/sbi.c | 9 +++++++++
>  1 file changed, 9 insertions(+)
> 
> diff --git a/riscv/sbi.c b/riscv/sbi.c
> index 519fcbe3..76f6111d 100644
> --- a/riscv/sbi.c
> +++ b/riscv/sbi.c
> @@ -52,6 +52,15 @@ static void check_base(void)
>  	gen_report(&ret, expected);
>  	report_prefix_pop();
>  
> +	report_prefix_push("marchid");
> +	if (env_or_skip("MARCHID")) {
> +		expected = strtol(getenv("MARCHID"), NULL, 0);
> +		ret = sbi_ecall(SBI_EXT_BASE, SBI_EXT_BASE_PROBE_EXT,
> +				SBI_EXT_BASE_GET_MARCHID, 0, 0, 0, 0, 0);

This should be

 sbi_ecall(SBI_EXT_BASE, SBI_EXT_BASE_GET_MARCHID, 0, ...)

> +		gen_report(&ret, expected);
> +	}
> +	report_prefix_pop();
> +
>  	report_prefix_pop();
>  }
>  
> -- 
> 2.44.0
>