Unverified Commit bdddd446 authored by Alistair Francis's avatar Alistair Francis Committed by Palmer Dabbelt
Browse files

target/riscv: Require either I or E base extension 



Signed-off-by: default avatarAlistair Francis <alistair.francis@wdc.com>
Reviewed-by: default avatarPalmer Dabbelt <palmer@sifive.com>
Signed-off-by: default avatarPalmer Dabbelt <palmer@sifive.com>
parent a101b643

target/riscv/cpu.c

+6 −0
Original line number Diff line number Diff line
@@ -373,6 +373,12 @@ static void riscv_cpu_realize(DeviceState *dev, Error **errp) 
                       return;

       }



        if (!cpu->cfg.ext_i && !cpu->cfg.ext_e) {

            error_setg(errp,

                       "Either I or E extension must be set");

                       return;

       }



       if (cpu->cfg.ext_g && !(cpu->cfg.ext_i & cpu->cfg.ext_m &

                               cpu->cfg.ext_a & cpu->cfg.ext_f &

                               cpu->cfg.ext_d)) {