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authorAndrew Cagney <cagney@redhat.com>1997-09-16 02:15:55 +0000
committerAndrew Cagney <cagney@redhat.com>1997-09-16 02:15:55 +0000
commit721478d51bd4574ab5de91fb09003325c6f15b69 (patch)
tree9ca0aa3a87e9483b10d722bf7a429f20689547b6 /sim/v850
parent3484de0091d31d5f51ec9f3a9718820fe2892156 (diff)
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Add v850e version of breakpoint instruction.
Diffstat (limited to 'sim/v850')
-rw-r--r--sim/v850/ChangeLog9
-rw-r--r--sim/v850/Makefile.in2
-rw-r--r--sim/v850/v850-dc7
-rw-r--r--sim/v850/v850.igen21
4 files changed, 34 insertions, 5 deletions
diff --git a/sim/v850/ChangeLog b/sim/v850/ChangeLog
index 0bb4d55..cdf2076 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 c7125a6..ad3355b 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 91b0898..81a36df 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 b938b0a..93bf0b7 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