From 721478d51bd4574ab5de91fb09003325c6f15b69 Mon Sep 17 00:00:00 2001
From: Andrew Cagney <cagney@redhat.com>
Date: Tue, 16 Sep 1997 02:15:55 +0000
Subject: [PATCH] Add v850e version of breakpoint instruction.

---
 sim/v850/ChangeLog   |  9 +++++++++
 sim/v850/Makefile.in |  2 ++
 sim/v850/v850-dc     |  7 +++++++
 sim/v850/v850.igen   | 21 ++++++++++++++++-----
 4 files changed, 34 insertions(+), 5 deletions(-)

diff --git a/sim/v850/ChangeLog b/sim/v850/ChangeLog
index 0bb4d55217..cdf2076817 100644
--- a/sim/v850/ChangeLog
+++ b/sim/v850/ChangeLog
@@ -1,3 +1,12 @@
+Tue Sep 16 10:20:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
+
+start-sanitize-v850e
+	* v850-dc: Add rule to diferentiate between breakpoint and divh.
+	* v850.igen (break): New instruction, breakpoint simulator.
+
+end-sanitize-v850e
+	* v850.igen (breakpoint): Enable.  Change to a 32bit instruction.
+
 start-sanitize-v850e
 Mon Sep 15 18:44:05 1997  Jim Wilson  <wilson@cygnus.com>
 
diff --git a/sim/v850/Makefile.in b/sim/v850/Makefile.in
index c7125a666c..ad3355b27b 100644
--- a/sim/v850/Makefile.in
+++ b/sim/v850/Makefile.in
@@ -108,11 +108,13 @@ clean-igen:
 ../igen/igen:
 	cd ../igen && $(MAKE)
 
+IGEN_TRACE= # -G trace-rule-selection -G trace-rule-rejection -G trace-entries
 IGEN_INSN=$(srcdir)/v850.igen
 IGEN_DC=$(srcdir)/v850-dc
 tmp-igen: $(IGEN_INSN) $(IGEN_DC) ../igen/igen
 	cd ../igen && $(MAKE)
 	../igen/igen \
+		$(IGEN_TRACE) \
 		-G gen-direct-access \
 		-i $(IGEN_INSN) \
 		-o $(IGEN_DC) \
diff --git a/sim/v850/v850-dc b/sim/v850/v850-dc
index 91b0898a20..81a36df957 100644
--- a/sim/v850/v850-dc
+++ b/sim/v850/v850-dc
@@ -30,3 +30,10 @@
 # start-sanitize-v850eq
   switch,combine        :   4 :   0 :    :    :    :    0 : III,IV,XIV  : v850eq
 # end-sanitize-v850eq
+# start-sanitize-v850e
+
+
+# for opcode 66
+
+  switch,combine        :   4 :   0 :    :    :    :    0 : I           :
+# end-sanitize-v850e
diff --git a/sim/v850/v850.igen b/sim/v850/v850.igen
index b938b0aa85..93bf0b7652 100644
--- a/sim/v850/v850.igen
+++ b/sim/v850/v850.igen
@@ -1214,11 +1214,22 @@ rrrrr,110101,RRRRR + iiiiiiiiiiiiiiii:VI:::xori
 
 
 // end-sanitize-v850e
-// Special - breakpoint
-// 1111111111111111:Z:::breakpoint
-// {
-//   COMPAT_2 (OP_FFFF ());
-// }
+// Special - breakpoint - illegal
+// Hopefully, in the future, this instruction will go away
+1111111111111111 + 1111111111111111:Z:::breakpoint
+*v850
+{
+  sim_engine_halt (SD, CPU, NULL, cia, sim_stopped, SIGTRAP);
+}
+
+// start-sanitize-v850e
+// First field could be any nonzero value.
+11111,000010,00000:I:::break
+{
+  sim_engine_halt (SD, CPU, NULL, cia, sim_stopped, SIGTRAP);
+}
+
+// end-sanitize-v850e
 
 
 // start-sanitize-v850eq