Reworking x86's microcode system. This is a work in progress, and X86 doesn't compile.

src/arch/x86/isa/decoder/one_byte_opcodes.isa:
src/arch/x86/isa/macroop.isa:
src/arch/x86/isa/main.isa:
src/arch/x86/isa/microasm.isa:
src/arch/x86/isa/microops/base.isa:
src/arch/x86/isa/microops/microops.isa:
src/arch/x86/isa/operands.isa:
src/arch/x86/isa/microops/regop.isa:
src/arch/x86/isa/microops/specop.isa:
    Reworking x86's microcode system

--HG--
extra : convert_revision : cab66be59ed758b192226af17eddd5a86aa190f3

1 files changed, 125 insertions, 0 deletions

diff --git a/src/arch/x86/isa/microops/specop.isa b/src/arch/x86/isa/microops/specop.isa
new file mode 100644
index 000000000..a3ca7d91c
--- /dev/null
+++ b/src/arch/x86/isa/microops/specop.isa
@@ -0,0 +1,125 @@
+// Copyright (c) 2007 The Hewlett-Packard Development Company
+// All rights reserved.
+//
+// Redistribution and use of this software in source and binary forms,
+// with or without modification, are permitted provided that the
+// following conditions are met:
+//
+// The software must be used only for Non-Commercial Use which means any
+// use which is NOT directed to receiving any direct monetary
+// compensation for, or commercial advantage from such use.  Illustrative
+// examples of non-commercial use are academic research, personal study,
+// teaching, education and corporate research & development.
+// Illustrative examples of commercial use are distributing products for
+// commercial advantage and providing services using the software for
+// commercial advantage.
+//
+// If you wish to use this software or functionality therein that may be
+// covered by patents for commercial use, please contact:
+//     Director of Intellectual Property Licensing
+//     Office of Strategy and Technology
+//     Hewlett-Packard Company
+//     1501 Page Mill Road
+//     Palo Alto, California  94304
+//
+// 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 HOLDER(s), HEWLETT-PACKARD COMPANY, nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.  No right of
+// sublicense is granted herewith.  Derivatives of the software and
+// output created using the software may be prepared, but only for
+// Non-Commercial Uses.  Derivatives of the software may be shared with
+// others provided: (i) the others agree to abide by the list of
+// conditions herein which includes the Non-Commercial Use restrictions;
+// and (ii) such Derivatives of the software include the above copyright
+// notice to acknowledge the contribution from this software where
+// applicable, this list of conditions and the disclaimer below.
+//
+// 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
+
+//////////////////////////////////////////////////////////////////////////
+//
+// Fault Microop
+//
+//////////////////////////////////////////////////////////////////////////
+
+def template MicroFaultExecute {{
+        Fault %(class_name)s ::execute(%(CPU_exec_context)s *xc,
+                Trace::InstRecord *traceData) const
+        {
+            //Return the fault we were constructed with
+            return fault;
+        }
+}};
+
+def template MicroFaultDeclare {{
+    class %(class_name)s : public X86MicroOpBase
+    {
+      protected:
+        Fault fault;
+        void buildMe();
+
+      public:
+        %(class_name)s(ExtMachInst _machInst,
+                const char * instMnem,
+                bool isMicro, bool isDelayed, bool isFirst, bool isLast,
+                Fault _fault);
+
+        %(class_name)s(ExtMachInst _machInst,
+                const char * instMnem,
+                Fault _fault);
+
+        %(BasicExecDeclare)s
+    };
+}};
+
+def template MicroFaultConstructor {{
+
+    inline void %(class_name)s::buildMe()
+    {
+        %(constructor)s;
+    }
+
+    inline %(class_name)s::%(class_name)s(
+            ExtMachInst machInst, const char * instMnem, Fault _fault) :
+        %(base_class)s(machInst, "%(mnemonic)s", instMnem,
+                false, false, false, false, %(op_class)s), fault(_fault)
+    {
+        buildMe();
+    }
+
+    inline %(class_name)s::%(class_name)s(
+            ExtMachInst machInst, const char * instMnem,
+            bool isMicro, bool isDelayed, bool isFirst, bool isLast,
+            Fault _fault) :
+        %(base_class)s(machInst, "%(mnemonic)s", instMnem,
+                isMicro, isDelayed, isFirst, isLast, %(op_class)s),
+                fault(_fault)
+    {
+        buildMe();
+    }
+}};
+
+let {{
+    # This microop takes in a single parameter, a fault to return.
+    iop = InstObjParams("fault", "GenFault", 'X86MicroOpBase', {"code" : ""})
+    header_output += MicroFaultDeclare.subst(iop)
+    decoder_output += MicroFaultConstructor.subst(iop)
+    exec_output += MicroFaultExecute.subst(iop)
+}};