[PATCH v2 2/3] lib: sbi: dump logs when crash

[Andrew Jones]

On Mon, Jun 24, 2024 at 10:18:58PM GMT, Xiang W wrote:
> When opensbi crashes, try to initialize the console in order to
> output error messages.
> 
> Signed-off-by: Xiang W <wxjstz at 126.com>
> ---
>  lib/sbi/sbi_hart.c | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/lib/sbi/sbi_hart.c b/lib/sbi/sbi_hart.c
> index c366701..48ec97c 100644
> --- a/lib/sbi/sbi_hart.c
> +++ b/lib/sbi/sbi_hart.c
> @@ -1010,6 +1010,10 @@ int sbi_hart_init(struct sbi_scratch *scratch, bool cold_boot)
>  
>  void __attribute__((noreturn)) sbi_hart_hang(void)
>  {
> +	/* Try to initialize the console to output some error messages */
> +	if (sbi_console_get_device() == NULL)
> +		sbi_console_init(sbi_scratch_thishart_ptr());
> +
>  	while (1)
>  		wfi();
>  	__builtin_unreachable();
> -- 
> 2.43.0
>

Reviewed-by: Andrew Jones <ajones at ventanamicro.com>