X86: Impelement the HLT instruction and fix the "halt" microop.
--HG-- extra : convert_revision : 932e5bb5bf3644f8468dba92177fb87cc54b891a
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@ -178,6 +178,7 @@ if env['TARGET_ISA'] == 'x86':
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'general_purpose/string/store_string.py',
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'general_purpose/string/store_string.py',
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'general_purpose/system_calls.py',
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'general_purpose/system_calls.py',
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'system/__init__.py',
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'system/__init__.py',
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'system/halt.py',
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'system/undefined_operation.py',
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'system/undefined_operation.py',
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'system/msrs.py',
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'system/msrs.py',
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'simd128/__init__.py',
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'simd128/__init__.py',
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@ -504,7 +504,7 @@
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{{"Tried to execute the repne prefix!"}});
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{{"Tried to execute the repne prefix!"}});
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0x3: M5InternalError::error(
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0x3: M5InternalError::error(
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{{"Tried to execute the rep/repe prefix!"}});
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{{"Tried to execute the rep/repe prefix!"}});
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0x4: WarnUnimpl::hlt();
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0x4: HLT();
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0x5: CMC();
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0x5: CMC();
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//0x6: group3_Eb();
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//0x6: group3_Eb();
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0x6: decode MODRM_REG {
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0x6: decode MODRM_REG {
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@ -53,7 +53,8 @@
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#
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#
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# Authors: Gabe Black
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# Authors: Gabe Black
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categories = ["undefined_operation",
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categories = ["halt",
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"undefined_operation",
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"msrs"]
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"msrs"]
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microcode = ""
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microcode = ""
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60
src/arch/x86/isa/insts/system/halt.py
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60
src/arch/x86/isa/insts/system/halt.py
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@ -0,0 +1,60 @@
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# Copyright (c) 2007 The Hewlett-Packard Development Company
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# All rights reserved.
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#
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# Redistribution and use of this software in source and binary forms,
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# with or without modification, are permitted provided that the
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# following conditions are met:
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#
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# The software must be used only for Non-Commercial Use which means any
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# use which is NOT directed to receiving any direct monetary
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# compensation for, or commercial advantage from such use. Illustrative
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# examples of non-commercial use are academic research, personal study,
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# teaching, education and corporate research & development.
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# Illustrative examples of commercial use are distributing products for
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# commercial advantage and providing services using the software for
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# commercial advantage.
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#
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# If you wish to use this software or functionality therein that may be
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# covered by patents for commercial use, please contact:
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# Director of Intellectual Property Licensing
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# Office of Strategy and Technology
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# Hewlett-Packard Company
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# 1501 Page Mill Road
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# Palo Alto, California 94304
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#
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# Redistributions of source code must retain the above copyright notice,
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# this list of conditions and the following disclaimer. Redistributions
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# in binary form must reproduce the above copyright notice, this list of
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# conditions and the following disclaimer in the documentation and/or
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# other materials provided with the distribution. Neither the name of
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# the COPYRIGHT HOLDER(s), HEWLETT-PACKARD COMPANY, nor the names of its
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# contributors may be used to endorse or promote products derived from
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# this software without specific prior written permission. No right of
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# sublicense is granted herewith. Derivatives of the software and
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# output created using the software may be prepared, but only for
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# Non-Commercial Uses. Derivatives of the software may be shared with
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# others provided: (i) the others agree to abide by the list of
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# conditions herein which includes the Non-Commercial Use restrictions;
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# and (ii) such Derivatives of the software include the above copyright
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# notice to acknowledge the contribution from this software where
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# applicable, this list of conditions and the disclaimer below.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#
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# Authors: Gabe Black
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microcode = '''
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def macroop HLT {
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halt
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};
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'''
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@ -135,7 +135,7 @@ output exec {{
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MicroHalt::execute(%(CPU_exec_context)s *xc,
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MicroHalt::execute(%(CPU_exec_context)s *xc,
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Trace::InstRecord * traceData) const
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Trace::InstRecord * traceData) const
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{
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{
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xc->suspend();
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xc->tcBase()->suspend();
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return NoFault;
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return NoFault;
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}
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}
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}};
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}};
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@ -244,7 +244,7 @@ let {{
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pass
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pass
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def getAllocator(self, *microFlags):
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def getAllocator(self, *microFlags):
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return "new MicroHalt(machInst, mnemonic %(flags)s)" % \
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return "new MicroHalt(machInst, mnemonic %s)" % \
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self.microFlagsText(microFlags)
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self.microFlagsText(microFlags)
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microopClasses["halt"] = Halt
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microopClasses["halt"] = Halt
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