Re: [PATCH V3 01/22] Documentation: LoongArch: Add basic documentations
From: Pavel Machek
Date: Thu Sep 23 2021 - 16:37:11 EST
Hi!
> Add some basic documentations for LoongArch. LoongArch is a new RISC
... documentation ...
> +wide in LA64. $r0 is always zero, and other registers has no special feature,
...have no special features...
> +but we actually have an ABI register conversion as below.
convention?
> +``$r21`` ``$x`` Reserved Unused
> +``$r22`` ``$fp`` Frame pointer Yes
> +``$r23``-``$r31`` ``$s0``-``$s8`` Static registers Yes
> +================= =============== =================== ============
Not sure I know the term 'static registers' before.
Pavel