[Pdbg] [PATCH 17/18] libpdbg: Add ocmb_{getscom/putscom} api

[Joel Stanley]

On Thu, 24 Sep 2020 at 04:44, Amitay Isaacs <amitay at ozlabs.org> wrote:
>
> Signed-off-by: Amitay Isaacs <amitay at ozlabs.org>

Reviewed-by: Joel Stanley <joel at jms.id.au>

> ---
>  libpdbg/libpdbg.h | 22 ++++++++++++++++++++++
>  libpdbg/target.c  | 38 ++++++++++++++++++++++++++++++++++++++
>  2 files changed, 60 insertions(+)
>
> diff --git a/libpdbg/libpdbg.h b/libpdbg/libpdbg.h
> index 2630fd7..08894d6 100644
> --- a/libpdbg/libpdbg.h
> +++ b/libpdbg/libpdbg.h
> @@ -1329,6 +1329,28 @@ int sbe_mpipl_continue(struct pdbg_target *target);
>   */
>  int sbe_mpipl_get_ti_info(struct pdbg_target *target, uint8_t **data, uint32_t *data_len);
>
> +/**
> + * @brief Read a OCMB SCOM register
> + *
> + * @param[in] target ocmb target
> + * @param[in] addr the address offset relative to target
> + * @param[out] val the read data
> + *
> + * @return 0 on success, -1 on failure
> + */
> +int ocmb_getscom(struct pdbg_target *target, uint64_t addr, uint64_t *val);
> +
> +/**
> + * @brief Write a OCMB SCOM register
> + *
> + * @param[in] target ocmb target
> + * @param[in] addr the address offset relative to target
> + * @param[in] val the write data
> + *
> + * @return 0 on success, -1 on failure
> + */
> +int ocmb_putscom(struct pdbg_target *target, uint64_t addr, uint64_t val);
> +
>  /**
>   * @brief Type for specifying a progress callback for long running
>   * operations
> diff --git a/libpdbg/target.c b/libpdbg/target.c
> index 8a7d1a6..89006d0 100644
> --- a/libpdbg/target.c
> +++ b/libpdbg/target.c
> @@ -455,6 +455,44 @@ int sbe_mpipl_get_ti_info(struct pdbg_target *target, uint8_t **data, uint32_t *
>         return chipop->mpipl_get_ti_info(chipop, data, data_len);
>  }
>
> +int ocmb_getscom(struct pdbg_target *target, uint64_t addr, uint64_t *val)
> +{
> +       struct ocmb *ocmb;
> +
> +       assert(pdbg_target_is_class(target, "ocmb"));
> +
> +       if (pdbg_target_status(target) != PDBG_TARGET_ENABLED)
> +               return -1;
> +
> +       ocmb = target_to_ocmb(target);
> +
> +       if (!ocmb->getscom) {
> +               PR_ERROR("getscom() not implemented for the target\n");
> +               return -1;
> +       }
> +
> +       return ocmb->getscom(ocmb, addr, val);
> +}
> +
> +int ocmb_putscom(struct pdbg_target *target, uint64_t addr, uint64_t val)
> +{
> +       struct ocmb *ocmb;
> +
> +       assert(pdbg_target_is_class(target, "ocmb"));
> +
> +       if (pdbg_target_status(target) != PDBG_TARGET_ENABLED)
> +               return -1;
> +
> +       ocmb = target_to_ocmb(target);
> +
> +       if (!ocmb->putscom) {
> +               PR_ERROR("putscom() not implemented for the target\n");
> +               return -1;
> +       }
> +
> +       return ocmb->putscom(ocmb, addr, val);
> +}
> +
>  uint32_t sbe_ffdc_get(struct pdbg_target *target, uint8_t **ffdc, uint32_t *ffdc_len)
>  {
>         struct chipop *chipop;
> --
> 2.26.2
>
> --
> Pdbg mailing list
> Pdbg at lists.ozlabs.org
> https://lists.ozlabs.org/listinfo/pdbg