[Pdbg] [PATCH v2 1/5] libpdbg: Add fsi_write_mask() to write cfam values with mask
Alistair Popple
alistair at popple.id.au
Fri Aug 9 14:50:36 AEST 2019
Thanks for fixing this todo up.
Reviewed-by: Alistair Popple <alistair at popple.id.au>
On Wednesday, 24 July 2019 4:12:58 PM AEST Amitay Isaacs wrote:
> Signed-off-by: Amitay Isaacs <amitay at ozlabs.org>
> ---
> libpdbg/libpdbg.h | 1 +
> libpdbg/target.c | 14 ++++++++++++++
> 2 files changed, 15 insertions(+)
>
> diff --git a/libpdbg/libpdbg.h b/libpdbg/libpdbg.h
> index 711c817..c72a96c 100644
> --- a/libpdbg/libpdbg.h
> +++ b/libpdbg/libpdbg.h
> @@ -128,6 +128,7 @@ struct pdbg_target *pdbg_address_absolute(struct pdbg_target *target, uint64_t *
> /* Procedures */
> int fsi_read(struct pdbg_target *target, uint32_t addr, uint32_t *val);
> int fsi_write(struct pdbg_target *target, uint32_t addr, uint32_t val);
> +int fsi_write_mask(struct pdbg_target *target, uint32_t addr, uint32_t val, uint32_t mask);
>
> int pib_read(struct pdbg_target *target, uint64_t addr, uint64_t *val);
> int pib_write(struct pdbg_target *target, uint64_t addr, uint64_t val);
> diff --git a/libpdbg/target.c b/libpdbg/target.c
> index e193e7e..a5dcba8 100644
> --- a/libpdbg/target.c
> +++ b/libpdbg/target.c
> @@ -217,6 +217,20 @@ int fsi_write(struct pdbg_target *fsi_dt, uint32_t addr, uint32_t data)
> return fsi->write(fsi, addr64, data);
> }
>
> +int fsi_write_mask(struct pdbg_target *fsi_dt, uint32_t addr, uint32_t data, uint32_t mask)
> +{
> + uint32_t value;
> + int rc;
> +
> + rc = fsi_read(fsi_dt, addr, &value);
> + if (rc)
> + return rc;
> +
> + value = (value & ~mask) | (data & mask);
> +
> + return fsi_write(fsi_dt, addr, value);
> +}
> +
> int mem_read(struct pdbg_target *target, uint64_t addr, uint8_t *output, uint64_t size, uint8_t block_size, bool ci)
> {
> int rc = -1;
>
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