Add last_v to processor state

This adds the last_v field to track the previous virtual mode state. It
will be used in a forthcoming patch for trigger matching.

3 files changed, 3 insertions, 0 deletions

diff --git a/riscv/execute.cc b/riscv/execute.cc
index 4284198..81e031b 100644
--- a/riscv/execute.cc
+++ b/riscv/execute.cc
@@ -20,6 +20,7 @@ static void commit_log_stash_privilege(processor_t* p)
   state->last_inst_priv = state->prv;
   state->last_inst_xlen = p->get_xlen();
   state->last_inst_flen = p->get_flen();
+  state->last_v = state->v;
 }
 
 static void commit_log_print_value(FILE *log_file, int width, const void *data)
diff --git a/riscv/processor.cc b/riscv/processor.cc
index 74a0b8f..984b9e5 100644
--- a/riscv/processor.cc
+++ b/riscv/processor.cc
@@ -527,6 +527,7 @@ void state_t::reset(processor_t* const proc, reg_t max_isa)
   last_inst_priv = 0;
   last_inst_xlen = 0;
   last_inst_flen = 0;
+  last_v = false;
 }
 
 void processor_t::set_debug(bool value)
diff --git a/riscv/processor.h b/riscv/processor.h
index 1b74cc2..914bd45 100644
--- a/riscv/processor.h
+++ b/riscv/processor.h
@@ -175,6 +175,7 @@ struct state_t
   reg_t last_inst_priv;
   int last_inst_xlen;
   int last_inst_flen;
+  bool last_v;
 };
 
 // this class represents one processor in a RISC-V machine.