From: Anthony Green <green@redhat.com>
Date: Wed, 3 Feb 2010 10:28:19 +0000 (+0000)
Subject: Fix nop insn for moxie
X-Git-Url: http://git.efficios.com/?a=commitdiff_plain;h=32d49b7b49a5ef4fe65c6f619e3825870b072b14;p=deliverable%2Fbinutils-gdb.git

Fix nop insn for moxie
---

diff --git a/sim/moxie/ChangeLog b/sim/moxie/ChangeLog
index 00af8db69d..c2c1c659fd 100644
--- a/sim/moxie/ChangeLog
+++ b/sim/moxie/ChangeLog
@@ -1,3 +1,8 @@
+2010-02-03  Anthony Green  <green@moxielogic.com>
+
+	* interp.c (sim_resume): nop is 0x0f, and 0x00 is an illegal
+	instruction.
+
 2010-01-13  Anthony Green  <green@moxielogic.com>
 
 	* interp.c (sim_open): Add period to end of sentence in comment.
diff --git a/sim/moxie/interp.c b/sim/moxie/interp.c
index cd1bbeb73b..a608416eb4 100644
--- a/sim/moxie/interp.c
+++ b/sim/moxie/interp.c
@@ -414,7 +414,10 @@ sim_resume (sd, step, siggnal)
 	  int opcode = inst >> 8;
 	  switch (opcode)
 	    {
-	    case 0x00: /* nop */
+	    case 0x00: /* bad */
+	      opc = opcode;
+	      TRACE("SIGILL0");
+	      cpu.asregs.exception = SIGILL;
 	      break;
 	    case 0x01: /* ldi.l (immediate) */
 	      {
@@ -587,16 +590,17 @@ sim_resume (sd, step, siggnal)
 		cpu.asregs.cc = cc;
 	      }
 	      break;
-	    case 0x0f:
-	    case 0x10:
-	    case 0x11:
-	    case 0x12:
-	    case 0x13:
-	    case 0x14:
-	    case 0x15:
-	    case 0x16:
-	    case 0x17:
-	    case 0x18:
+	    case 0x0f: /* nop */
+	      break;
+	    case 0x10: /* bad */
+	    case 0x11: /* bad */
+	    case 0x12: /* bad */
+	    case 0x13: /* bad */
+	    case 0x14: /* bad */
+	    case 0x15: /* bad */
+	    case 0x16: /* bad */
+	    case 0x17: /* bad */
+	    case 0x18: /* bad */
 	      {
 		opc = opcode;
 		TRACE("SIGILL0");