[PATCH v2 1/4] Define ePMP mseccfg

[Hou Weiying]

Currently using 0x390 and 0x391 for x-epmp (experimental). This may change in 
the future spec.

Signed-off-by: Hongzheng-Li <Ethan.Lee.QNL@gmail.com>
Signed-off-by: Hou Weiying <weiying_hou@outlook.com>
Signed-off-by: Myriad-Dreamin <camiyoru@gmail.com>
---
 target/riscv/cpu_bits.h | 3 +++
 target/riscv/gdbstub.c  | 2 ++
 2 files changed, 5 insertions(+)

diff --git a/target/riscv/cpu_bits.h b/target/riscv/cpu_bits.h
index 8117e8b5a7..9c35179983 100644
--- a/target/riscv/cpu_bits.h
+++ b/target/riscv/cpu_bits.h
@@ -229,6 +229,9 @@
 #define CSR_MTINST          0x34a
 #define CSR_MTVAL2          0x34b
 
+/* Enhanced PMP */
+#define CSR_MSECCFG         0x390
+#define CSR_MSECCFGH        0x391
 /* Physical Memory Protection */
 #define CSR_PMPCFG0         0x3a0
 #define CSR_PMPCFG1         0x3a1
diff --git a/target/riscv/gdbstub.c b/target/riscv/gdbstub.c
index eba12a86f2..de5551604a 100644
--- a/target/riscv/gdbstub.c
+++ b/target/riscv/gdbstub.c
@@ -132,6 +132,8 @@ static int csr_register_map[] = {
     CSR_MIP,
     CSR_MTINST,
     CSR_MTVAL2,
+    CSR_MSECCFG,
+    CSR_MSECCFGH,
     CSR_PMPCFG0,
     CSR_PMPCFG1,
     CSR_PMPCFG2,
-- 
2.20.1