Increment minstret when WFI completes (#636)

See https://github.com/riscv/riscv-isa-manual/issues/189#issuecomment-768525017

1 files changed, 1 insertions, 1 deletions

diff --git a/riscv/execute.cc b/riscv/execute.cc
index a810d53..51d75b5 100644
--- a/riscv/execute.cc
+++ b/riscv/execute.cc
@@ -371,7 +371,7 @@ void processor_t::step(size_t n)
       // In the debug ROM this prevents us from wasting time looping, but also
       // allows us to switch to other threads only once per idle loop in case
       // there is activity.
-      n = instret;
+      n = ++instret;
     }
 
     state.minstret += instret;