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authorGabe Black <gblack@eecs.umich.edu>2008-01-21 16:27:40 -0500
committerGabe Black <gblack@eecs.umich.edu>2008-01-21 16:27:40 -0500
commitf809637011dfde5f14bd8ee07f7c694ab150c253 (patch)
treeea22097877be202dba5e45bccc792ff187a8f01d /src/arch/x86/isa/decoder
parent657b52fea1aa53988b83e4cd91dac7836825a7d7 (diff)
downloadgem5-f809637011dfde5f14bd8ee07f7c694ab150c253.tar.xz
X86: Fill out group17 in the decoder.
--HG-- extra : convert_revision : 66ab9c0fc3086f66e3d6d82d47964ecf406c3a8a
Diffstat (limited to 'src/arch/x86/isa/decoder')
-rw-r--r--src/arch/x86/isa/decoder/two_byte_opcodes.isa53
1 files changed, 44 insertions, 9 deletions
diff --git a/src/arch/x86/isa/decoder/two_byte_opcodes.isa b/src/arch/x86/isa/decoder/two_byte_opcodes.isa
index b50c42cd9..d4f25775f 100644
--- a/src/arch/x86/isa/decoder/two_byte_opcodes.isa
+++ b/src/arch/x86/isa/decoder/two_byte_opcodes.isa
@@ -1,4 +1,32 @@
-// Copyright (c) 2007 The Hewlett-Packard Development Company
+// Copyright (c) 2008 The Regents of The University of Michigan
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met: redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer;
+// redistributions in binary form must reproduce the above copyright
+// notice, this list of conditions and the following disclaimer in the
+// documentation and/or other materials provided with the distribution;
+// neither the name of the copyright holders nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+//
+// Authors: Gabe Black
+
+// Copyright (c) 2007-2008 The Hewlett-Packard Development Company
// All rights reserved.
//
// Redistribution and use of this software in source and binary forms,
@@ -204,14 +232,21 @@
default: Inst::UD2();
}
0x03: decode OPCODE_OP_BOTTOM3 {
- 0x0: group17();
- 0x1: group17();
- 0x2: group17();
- 0x3: group17();
- 0x4: group17();
- 0x5: group17();
- 0x6: group17();
- 0x7: group17();
+ //group17();
+ 0x0: decode MODRM_REG {
+ 0x0: prefetch_nta();
+ 0x1: prefetch_t0();
+ 0x2: prefetch_t1();
+ 0x3: prefetch_t2();
+ default: Inst::HINT_NOP();
+ }
+ 0x1: Inst::HINT_NOP();
+ 0x2: Inst::HINT_NOP();
+ 0x3: Inst::HINT_NOP();
+ 0x4: Inst::HINT_NOP();
+ 0x5: Inst::HINT_NOP();
+ 0x6: Inst::HINT_NOP();
+ 0x7: Inst::HINT_NOP();
}
0x04: decode LEGACY_DECODEVAL {
// no prefix