target/riscv: Add support for disabling/enabling Counters

Add support for disabling/enabling the "Counters" extension.

Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Palmer Dabbelt <palmer@sifive.com>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/target/riscv/cpu.h b/target/riscv/cpu.h
index 0855277b92..4d4e0f89e2 100644
--- a/target/riscv/cpu.h
+++ b/target/riscv/cpu.h
@@ -222,6 +222,7 @@ typedef struct RISCVCPU {
         bool ext_c;
         bool ext_s;
         bool ext_u;
+        bool ext_counters;
 
         char *priv_spec;
         char *user_spec;