[PATCH] lib: Allow custom CSRs in csr_read_num() and csr_write_num()

[Andrew Jones]

On Tue, Sep 30, 2025 at 09:02:16PM +0530, Anup Patel wrote:
> Some of the platforms use platform specific CSR access functions for
> configuring implementation specific CSRs (such as PMA registers).
> 
> Extend the common csr_read_num() and csr_write_num() to allow custom
> CSRs so that platform specific CSR access functions are not needed.
> 
> Signed-off-by: Anup Patel <apatel at ventanamicro.com>
> ---
>  include/sbi/riscv_encoding.h       |  34 ++++++++
>  lib/sbi/riscv_asm.c                | 135 ++++++++++++++++++-----------
>  platform/generic/andes/andes_pma.c |  90 ++-----------------
>  platform/generic/mips/p8700.c      |  76 +---------------
>  4 files changed, 127 insertions(+), 208 deletions(-)
>

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