From 3c8dafeef056dec71e731fe097750391fe1dfc25 Mon Sep 17 00:00:00 2001
From: Andrew Waterman <andrew@sifive.com>
Date: Tue, 7 Mar 2017 01:58:41 -0800
Subject: [PATCH 1/1] Don't overload illegal instruction trap in interactive
 code

---
 riscv/interactive.cc | 18 ++++++++++--------
 1 file changed, 10 insertions(+), 8 deletions(-)

diff --git a/riscv/interactive.cc b/riscv/interactive.cc
index 748f454..623c425 100644
--- a/riscv/interactive.cc
+++ b/riscv/interactive.cc
@@ -18,12 +18,14 @@
 #include <vector>
 #include <algorithm>
 
+DECLARE_TRAP(-1, interactive)
+
 processor_t *sim_t::get_core(const std::string& i)
 {
   char *ptr;
   unsigned long p = strtoul(i.c_str(), &ptr, 10);
   if (*ptr || p >= num_cores())
-    throw trap_illegal_instruction();
+    throw trap_interactive();
   return get_core(p);
 }
 
@@ -161,7 +163,7 @@ void sim_t::interactive_quit(const std::string& cmd, const std::vector<std::stri
 reg_t sim_t::get_pc(const std::vector<std::string>& args)
 {
   if(args.size() != 1)
-    throw trap_illegal_instruction();
+    throw trap_interactive();
 
   processor_t *p = get_core(args[0]);
   return p->state.pc;
@@ -175,7 +177,7 @@ void sim_t::interactive_pc(const std::string& cmd, const std::vector<std::string
 reg_t sim_t::get_reg(const std::vector<std::string>& args)
 {
   if(args.size() != 2)
-    throw trap_illegal_instruction();
+    throw trap_interactive();
 
   processor_t *p = get_core(args[0]);
 
@@ -192,7 +194,7 @@ reg_t sim_t::get_reg(const std::vector<std::string>& args)
   }
 
   if (r >= NXPR)
-    throw trap_illegal_instruction();
+    throw trap_interactive();
 
   return p->state.XPR[r];
 }
@@ -200,14 +202,14 @@ reg_t sim_t::get_reg(const std::vector<std::string>& args)
 reg_t sim_t::get_freg(const std::vector<std::string>& args)
 {
   if(args.size() != 2)
-    throw trap_illegal_instruction();
+    throw trap_interactive();
 
   processor_t *p = get_core(args[0]);
   int r = std::find(fpr_name, fpr_name + NFPR, args[1]) - fpr_name;
   if (r == NFPR)
     r = atoi(args[1].c_str());
   if (r >= NFPR)
-    throw trap_illegal_instruction();
+    throw trap_interactive();
 
   return p->state.FPR[r];
 }
@@ -251,7 +253,7 @@ void sim_t::interactive_fregd(const std::string& cmd, const std::vector<std::str
 reg_t sim_t::get_mem(const std::vector<std::string>& args)
 {
   if(args.size() != 1 && args.size() != 2)
-    throw trap_illegal_instruction();
+    throw trap_interactive();
 
   std::string addr_str = args[0];
   mmu_t* mmu = debug_mmu;
@@ -293,7 +295,7 @@ void sim_t::interactive_mem(const std::string& cmd, const std::vector<std::strin
 void sim_t::interactive_str(const std::string& cmd, const std::vector<std::string>& args)
 {
   if(args.size() != 1)
-    throw trap_illegal_instruction();
+    throw trap_interactive();
 
   reg_t addr = strtol(args[0].c_str(),NULL,16);
 
-- 
2.30.2