From: Anthony Green <green@redhat.com>
Date: Wed, 3 Feb 2010 12:47:06 +0000 (+0000)
Subject: Move NOP from 0x00 to 0x0f.
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=f3d55a94f36f5ce24656e69c868c21580b5dd63c;p=deliverable%2Fbinutils-gdb.git

Move NOP from 0x00 to 0x0f.
---

diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog
index 7ab07efa60..d20b7761ae 100644
--- a/opcodes/ChangeLog
+++ b/opcodes/ChangeLog
@@ -1,3 +1,8 @@
+2010-02-03  Anthony Green  <green@moxielogic.com>
+
+	* moxie-opc.c (moxie_form1_opc_info): Move "nop" from 0x00 to
+	0x0f, and make 0x00 an illegal instruction.
+
 2010-01-29  Daniel Jacobowitz  <dan@codesourcery.com>
 
 	* opcodes/arm-dis.c (struct arm_private_data): New.
diff --git a/opcodes/moxie-opc.c b/opcodes/moxie-opc.c
index 819476085a..b493d1fb36 100644
--- a/opcodes/moxie-opc.c
+++ b/opcodes/moxie-opc.c
@@ -50,9 +50,12 @@
    oooo         - form 3 opcode number
    vvvvvvvvvv   - 10-bit immediate value.  */
 
+/* Note that currently two opcodes are reserved as bad, so that all
+   instructions starting with 0x00 and 0xff fault.  */
+
 const moxie_opc_info_t moxie_form1_opc_info[64] =
   {
-    { 0x00, MOXIE_F1_NARG, "nop" },
+    { 0x00, MOXIE_F1_NARG, "bad" },  // Reserved as bad.
     { 0x01, MOXIE_F1_A4,   "ldi.l" },
     { 0x02, MOXIE_F1_AB,   "mov" },
     { 0x03, MOXIE_F1_M,    "jsra" },
@@ -67,7 +70,7 @@ const moxie_opc_info_t moxie_form1_opc_info[64] =
     { 0x0c, MOXIE_F1_ABi4, "ldo.l" },
     { 0x0d, MOXIE_F1_AiB4, "sto.l" },
     { 0x0e, MOXIE_F1_AB,   "cmp" },
-    { 0x0f, MOXIE_F1_NARG, "bad" },
+    { 0x0f, MOXIE_F1_NARG, "nop" },
     { 0x10, MOXIE_F1_NARG, "bad" },
     { 0x11, MOXIE_F1_NARG, "bad" },
     { 0x12, MOXIE_F1_NARG, "bad" },
@@ -143,7 +146,7 @@ const moxie_opc_info_t moxie_form3_opc_info[16] =
     { 0x0c, MOXIE_F3_NARG, "bad" },
     { 0x0d, MOXIE_F3_NARG, "bad" },
     { 0x0e, MOXIE_F3_NARG, "bad" },
-    { 0x0f, MOXIE_F3_NARG, "bad" }
+    { 0x0f, MOXIE_F3_NARG, "bad" }  // Reserved as bad.
   };