There is a mistake in defining CSR operations for pmpcfg registers.
This patch fixes the bug.

Signed-off-by: Ian Jiang <ianjiang.ict@gmail.com>
---
 target/riscv/csr.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/target/riscv/csr.c b/target/riscv/csr.c
index da02f9f0b1..e07b5267be 100644
--- a/target/riscv/csr.c
+++ b/target/riscv/csr.c
@@ -948,7 +948,7 @@ static riscv_csr_operations csr_ops[CSR_TABLE_SIZE] = {
     [CSR_SATP] =                { smode, read_satp,        write_satp
   },

     /* Physical Memory Protection */
-    [CSR_PMPCFG0  ... CSR_PMPADDR9] =  { pmp,   read_pmpcfg,  write_pmpcfg
  },
+    [CSR_PMPCFG0  ... CSR_PMPCFG3] =  { pmp,   read_pmpcfg,  write_pmpcfg
  },
     [CSR_PMPADDR0 ... CSR_PMPADDR15] = { pmp,   read_pmpaddr,
write_pmpaddr  },

     /* Performance Counters */
-- 
2.17.1