Re: [PATCH v2 1/8] RISC-V: Add defines for SBI debug console extension

Andrew Jones
2023-10-19T07:45:11Z

On Thu, Oct 12, 2023 at 10:45:02AM +0530, Anup Patel wrote:
> We add SBI debug console extension related defines/enum to the
> asm/sbi.h header.
>
> Signed-off-by: Anup Patel <apatel@ventanamicro.com>
> ---
> arch/riscv/include/asm/sbi.h | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/arch/riscv/include/asm/sbi.h b/arch/riscv/include/asm/sbi.h
> index 5b4a1bf5f439..12dfda6bb924 100644
> --- a/arch/riscv/include/asm/sbi.h
> +++ b/arch/riscv/include/asm/sbi.h
> @@ -30,6 +30,7 @@ enum sbi_ext_id {
> SBI_EXT_HSM = 0x48534D,
> SBI_EXT_SRST = 0x53525354,
> SBI_EXT_PMU = 0x504D55,
> + SBI_EXT_DBCN = 0x4442434E,
>
> /* Experimentals extensions must lie within this range */
> SBI_EXT_EXPERIMENTAL_START = 0x08000000,
> @@ -236,6 +237,12 @@ enum sbi_pmu_ctr_type {
> /* Flags defined for counter stop function */
> #define SBI_PMU_STOP_FLAG_RESET (1 << 0)
>
> +enum sbi_ext_dbcn_fid {
> + SBI_EXT_DBCN_CONSOLE_WRITE = 0,
> + SBI_EXT_DBCN_CONSOLE_READ = 1,
> + SBI_EXT_DBCN_CONSOLE_WRITE_BYTE = 2,
> +};
> +
> #define SBI_SPEC_VERSION_DEFAULT 0x1
> #define SBI_SPEC_VERSION_MAJOR_SHIFT 24
> #define SBI_SPEC_VERSION_MAJOR_MASK 0x7f
> --
> 2.34.1
>

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