diff --git a/feature.c b/feature.c
index d8a3b1c..41afa61 100644
--- a/feature.c
+++ b/feature.c
@@ -206,6 +206,21 @@ void setup_features(void)
 			csr_write(CSR_MHCR, 0x10011BF);
 #if __riscv_xlen == 64
 			csr_write(CSR_MENVCFG, 0x4000000000000000);
+#endif
+		} else {
+			while(1);
+		}
+		break;
+	case 0xd:
+		if (cpu_ver >= 0x0) {
+			csr_write(CSR_MSMPR, 0x1);
+			csr_write(CSR_MCCR2, 0xA0420002);
+			csr_write(CSR_MXSTATUS, 0x438100);
+			csr_write(CSR_MHINT, 0x21AA10C);
+			csr_write(CSR_MHCR, 0x10011FF);
+			csr_write(CSR_MHINT4, 0x10000080);
+#if __riscv_xlen == 64
+			csr_write(CSR_MENVCFG, 0x4000000000000000);
 #endif
 		} else {
 			while(1);