[PATCH 1/2] risc-v: implement DBCN write byte

[Leo Liang]

On Sat, Aug 19, 2023 at 03:12:49PM +0200, Heinrich Schuchardt wrote:
> The DBCN extension provides a Console Write Byte call.
> Implement function sbi_dbcn_write_byte to invoke it.
> 
> Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt at canonical.com>
> ---
>  arch/riscv/include/asm/sbi.h |  1 +
>  arch/riscv/lib/sbi.c         | 16 ++++++++++++++++
>  2 files changed, 17 insertions(+)

Reviewed-by: Leo Yu-Chi Liang <ycliang at andestech.com>