diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/arch/x86/isa/decoder/two_byte_opcodes.isa | 53 | ||||
| -rw-r--r-- | src/arch/x86/isa/insts/general_purpose/no_operation.py | 35 |
2 files changed, 78 insertions, 10 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 diff --git a/src/arch/x86/isa/insts/general_purpose/no_operation.py b/src/arch/x86/isa/insts/general_purpose/no_operation.py index 306ee2797..d2ef40e6c 100644 --- a/src/arch/x86/isa/insts/general_purpose/no_operation.py +++ b/src/arch/x86/isa/insts/general_purpose/no_operation.py @@ -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, @@ -58,4 +86,9 @@ def macroop NOP { fault "NoFault" }; + +def macroop HINT_NOP +{ + fault "NoFault" +}; ''' |