On 2/10/20 8:12 AM, LIU Zhiwei wrote:
> + if (cpu->cfg.vlen > RV_VLEN_MAX || cpu->cfg.vlen < 128) {
> + error_setg(errp,
> + "Vector extension implementation only supports VLEN "
> + "in the range [128, %d]", RV_VLEN_MAX);
> + return;
> + }
> + if (!is_power_of_2(cpu->cfg.elen)) {
> + error_setg(errp,
> + "Vector extension ELEN must be power of 2");
> + return;
> + }
> + if (cpu->cfg.elen > 64) {
> + error_setg(errp,
> + "Vector extension ELEN must <= 64");
> + return;
> + }
ELEN should use the same "only supports ELEN in the range" language as VLEN.
Otherwise,
Reviewed-by: Richard Henderson <[email protected]>
r~
