[PATCH v3 2/2] cmd/sbi: add missing SBI information

[Sean Anderson]

On 3/17/22 2:36 AM, Heinrich Schuchardt wrote:
> Let the sbi command display:
> 
> * machine vendor ID
> * machine architecture ID
> * machine implementation ID
> 
> With this patch the output for the HiFive Unmatched looks like
> 
>      => sbi
>      SBI 0.3
>      OpenSBI 0.9
>      Machine:
>        Vendor ID 489
>        Architecture ID 8000000000000007
>        Implementation ID 20181004
>      Extensions:
>        sbi_set_timer
>        sbi_console_putchar
>        sbi_console_getchar
>        sbi_clear_ipi
>        sbi_send_ipi
>        sbi_remote_fence_i
>        sbi_remote_sfence_vma
>        sbi_remote_sfence_vma_asid
>        sbi_shutdown
>        SBI Base Functionality
>        Timer Extension
>        IPI Extension
>        RFENCE Extension
>        Hart State Management Extension
>        System Reset Extension
> 
> Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt at canonical.com>
> ---
>   cmd/riscv/sbi.c | 13 ++++++++++++-
>   1 file changed, 12 insertions(+), 1 deletion(-)
> 
> diff --git a/cmd/riscv/sbi.c b/cmd/riscv/sbi.c
> index 8349123925..8fc8ab0ac5 100644
> --- a/cmd/riscv/sbi.c
> +++ b/cmd/riscv/sbi.c
> @@ -52,6 +52,7 @@ static int do_sbi(struct cmd_tbl *cmdtp, int flag, int argc,
>   {
>   	int i, impl_id;
>   	long ret;
> +	long mvendorid, marchid, mimpid;
>   
>   	ret = sbi_get_spec_version();
>   	if (ret >= 0)
> @@ -77,7 +78,17 @@ static int do_sbi(struct cmd_tbl *cmdtp, int flag, int argc,
>   		if (i == ARRAY_SIZE(implementations))
>   			printf("Unknown implementation ID %ld", ret);
>   	}
> -	printf("\nExtensions:\n");
> +	printf("\nMachine:\n");
> +	ret = sbi_get_mvendorid(&mvendorid);
> +	if (!ret)
> +		printf("  Vendor ID %lx\n", mvendorid);
> +	ret = sbi_get_marchid(&marchid);
> +	if (!ret)
> +		printf("  Architecture ID %lx\n", marchid);
> +	ret = sbi_get_mimpid(&mimpid);
> +	if (!ret)
> +		printf("  Implementation ID %lx\n", mimpid);
> +	printf("Extensions:\n");
>   	for (i = 0; i < ARRAY_SIZE(extensions); ++i) {
>   		ret = sbi_probe_extension(extensions[i].id);
>   		if (ret > 0)
> 

Reviewed-by: Sean Anderson <seanga2 at gmail.com>