[PATCH v6 0/8] OpenSBI debug console support

[Anup Patel]

On Fri, Feb 10, 2023 at 11:17 AM Anup Patel <apatel at ventanamicro.com> wrote:
>
> The latest proposal of SBI debug console extension can be found at:
> https://lists.riscv.org/g/tech-prs/message/96
>
> This series implements SBI debug console support in OpenSBI
> as-per above draft proposal.
>
> To test these patches corresponding Linux patches can be found in
> riscv_sbi_dbcn_v1 branch at: https://github.com/avpatel/linux.git
>
> These patches can also be found in riscv_sbi_dbcn_v6 branch at:
> https://github.com/avpatel/opensbi.git
>
> Changes since v5:
>  - Rebased on latest OpenSBI sources
>  - Updated Reviewed-by tags
>  - Addressed Drew's comments in all patches
>  - Updated SBI debug console implementation as-per latest proposal
>    where console write() is non-blocking.
>
> Changes since v4:
>  - Rebased on latest OpenSBI sources
>  - Updated Reviewed-by tags
>  - Added new PATCH8 to speed-up sbi_printf() using nputs()
>
> Changes since v3:
>  - Rebased on OpenSBI v1.2 release
>  - Updated Reviewed-by tags
>  - Added new PATCH3 for sbi_ngets() function
>  - Updated SBI debug console implementation in PATCH5 as-per latest
>    proposal having both console write() and read() functions.
>
> Changes since v2:
>  - Reworked sbi_domain_check_addr_range() in PATCH3 to make it work
>    for overlapping regions.
>
> Changes since v1:
>  - New PATCH3 to implement sbi_domain_check_addr_range() function
>  - Added checks in PATCH4 for location and size of string to print
>  - New PATCH5 to add console_puts() callback in the console device
>  - New PATCH6 to implement console_puts() for semihosting
>
> Anup Patel (8):
>   include: Add defines for SBI debug console extension
>   lib: sbi: Add sbi_nputs() function
>   lib: sbi: Add sbi_ngets() function
>   lib: sbi: Add sbi_domain_check_addr_range() function
>   lib: sbi: Implement SBI debug console extension
>   lib: sbi: Add console_puts() callback in the console device
>   lib: utils/serial: Implement console_puts() for semihosting
>   lib: sbi: Speed-up sbi_printf() and friends using nputs()

Applied this series to the riscv/opensbi repo.

Regards,
Anup

>
>  include/sbi/sbi_console.h         |  7 +++
>  include/sbi/sbi_domain.h          | 15 ++++++
>  include/sbi/sbi_ecall_interface.h |  6 +++
>  lib/sbi/Kconfig                   |  4 ++
>  lib/sbi/objects.mk                |  3 ++
>  lib/sbi/sbi_console.c             | 88 ++++++++++++++++++++++++++++---
>  lib/sbi/sbi_domain.c              | 69 ++++++++++++++++++++++++
>  lib/sbi/sbi_ecall_dbcn.c          | 72 +++++++++++++++++++++++++
>  lib/utils/serial/semihosting.c    | 37 +++++++++++++
>  9 files changed, 294 insertions(+), 7 deletions(-)
>  create mode 100644 lib/sbi/sbi_ecall_dbcn.c
>
> --
> 2.34.1
>