Re: [PATCH v3 16/20] disas/riscv: enable disassembly for zicfiss instructions

[Richard Henderson]

On 8/7/24 10:06, Deepak Gupta wrote:
> +                        /* if zicfiss enabled and mop5 is shadow stack */
> +                        if (dec->cfg->ext_zicfiss &&
> +                            ((imm_mop5 & 0b11100) == 0b11100)) {
> +                                /* rs1=0 means ssrdp */
> +                                if ((inst & (0b011111 << 15)) == 0) {
> +                                    op = rv_op_ssrdp;
> +                                    }
> +                                /* rd=0 means sspopchk */
> +                                if ((inst & (0b011111 << 7)) == 0) {
> +                                    op = rv_op_sspopchk;
> +                                }
> +                        }

sspopchk are only rs1=1 or rs1=5.
Similarly for sspush and rs2.


r~