diff options
| -rw-r--r-- | target/riscv/cpu.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c index ba1325f435..1689ffecf8 100644 --- a/target/riscv/cpu.c +++ b/target/riscv/cpu.c @@ -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)) { |