[PATCH v4 2/6] RISC-V: Add a syscall for HW probing

[Heiko Stübner]

Am Dienstag, 14. März 2023, 19:32:16 CET schrieb Evan Green:
> We don't have enough space for these all in ELF_HWCAP{,2} and there's no
> system call that quite does this, so let's just provide an arch-specific
> one to probe for hardware capabilities.  This currently just provides
> m{arch,imp,vendor}id, but with the key-value pairs we can pass more in
> the future.
> 
> Co-developed-by: Palmer Dabbelt <palmer at rivosinc.com>
> Signed-off-by: Palmer Dabbelt <palmer at rivosinc.com>
> Signed-off-by: Evan Green <evan at rivosinc.com>
> Reviewed-by: Conor Dooley <conor.dooley at microchip.com>

Reviewed-by: Heiko Stuebner <heiko.stuebner at vrull.eu>