diff --git a/qemu/target/riscv/cpu_bits.h b/qemu/target/riscv/cpu_bits.h
index 7afcb246..7180fccf 100644
--- a/qemu/target/riscv/cpu_bits.h
+++ b/qemu/target/riscv/cpu_bits.h
@@ -135,16 +135,22 @@
 /* Legacy Counter Setup (priv v1.9.1) */
 #define CSR_MUCOUNTEREN     0x320
 #define CSR_MSCOUNTEREN     0x321
+#define CSR_MHCOUNTEREN     0x322
 
 /* Machine Trap Handling */
 #define CSR_MSCRATCH        0x340
 #define CSR_MEPC            0x341
 #define CSR_MCAUSE          0x342
-#define CSR_MBADADDR        0x343
+#define CSR_MTVAL           0x343
 #define CSR_MIP             0x344
 
+/* Legacy Machine Trap Handling (priv v1.9.1) */
+#define CSR_MBADADDR        0x343
+
 /* Supervisor Trap Setup */
 #define CSR_SSTATUS         0x100
+#define CSR_SEDELEG         0x102
+#define CSR_SIDELEG         0x103
 #define CSR_SIE             0x104
 #define CSR_STVEC           0x105
 #define CSR_SCOUNTEREN      0x106
@@ -153,9 +159,12 @@
 #define CSR_SSCRATCH        0x140
 #define CSR_SEPC            0x141
 #define CSR_SCAUSE          0x142
-#define CSR_SBADADDR        0x143
+#define CSR_STVAL           0x143
 #define CSR_SIP             0x144
 
+/* Legacy Supervisor Trap Handling (priv v1.9.1) */
+#define CSR_SBADADDR        0x143
+
 /* Supervisor Protection and Translation */
 #define CSR_SPTBR           0x180
 #define CSR_SATP            0x180
@@ -282,6 +291,28 @@
 #define CSR_MHPMCOUNTER30H  0xb9e
 #define CSR_MHPMCOUNTER31H  0xb9f
 
+/* Legacy Hypervisor Trap Setup (priv v1.9.1) */
+#define CSR_HSTATUS         0x200
+#define CSR_HEDELEG         0x202
+#define CSR_HIDELEG         0x203
+#define CSR_HIE             0x204
+#define CSR_HTVEC           0x205
+
+/* Legacy Hypervisor Trap Handling (priv v1.9.1) */
+#define CSR_HSCRATCH        0x240
+#define CSR_HEPC            0x241
+#define CSR_HCAUSE          0x242
+#define CSR_HBADADDR        0x243
+#define CSR_HIP             0x244
+
+/* Legacy Machine Protection and Translation (priv v1.9.1) */
+#define CSR_MBASE           0x380
+#define CSR_MBOUND          0x381
+#define CSR_MIBASE          0x382
+#define CSR_MIBOUND         0x383
+#define CSR_MDBASE          0x384
+#define CSR_MDBOUND         0x385
+
 /* mstatus CSR bits */
 #define MSTATUS_UIE         0x00000001
 #define MSTATUS_SIE         0x00000002