The physical Ibex CPU has ePMP support and it's enabled for the
OpenTitan machine so let's enable ePMP support for the Ibex CPU in QEMU.

Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
---
 target/riscv/cpu.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c
index d665681f90..244066a6fc 100644
--- a/target/riscv/cpu.c
+++ b/target/riscv/cpu.c
@@ -202,6 +202,7 @@ static void rv32_ibex_cpu_init(Object *obj)
     set_misa(env, RV32 | RVI | RVM | RVC | RVU);
     set_priv_version(env, PRIV_VERSION_1_10_0);
     qdev_prop_set_bit(DEVICE(obj), "mmu", false);
+    qdev_prop_set_bit(DEVICE(obj), "x-epmp", true);
 }
 
 static void rv32_imafcu_nommu_cpu_init(Object *obj)
-- 
2.31.0

On Fri, Apr 2, 2021 at 8:50 PM Alistair Francis
<alistair.francis@wdc.com> wrote:
>
> The physical Ibex CPU has ePMP support and it's enabled for the
> OpenTitan machine so let's enable ePMP support for the Ibex CPU in QEMU.
>
> Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
> ---
>  target/riscv/cpu.c | 1 +
>  1 file changed, 1 insertion(+)
>

Reviewed-by: Bin Meng <bmeng.cn@gmail.com>