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// Copyright (c) 2007 The Hewlett-Packard Development Company
// All rights reserved.
//
// The license below extends only to copyright in the software and shall
// not be construed as granting a license to any other intellectual
// property including but not limited to intellectual property relating
// to a hardware implementation of the functionality of the software
// licensed hereunder. You may use the software subject to the license
// terms below provided that you ensure that this notice is replicated
// unmodified and in its entirety in all distributions of the software,
// modified or unmodified, in source code or in binary form.
//
// 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
//////////////////////////////////////////////////////////////////////////
//
// LIMMOp Microop templates
//
//////////////////////////////////////////////////////////////////////////
def template MicroLimmOpExecute {{
Fault %(class_name)s::execute(CPU_EXEC_CONTEXT *xc,
Trace::InstRecord *traceData) const
{
%(op_decl)s;
%(op_rd)s;
%(code)s;
%(op_wb)s;
return NoFault;
}
}};
def template MicroLimmOpDeclare {{
class %(class_name)s : public X86ISA::X86MicroopBase
{
protected:
const RegIndex dest;
const uint64_t imm;
const uint8_t dataSize;
RegIndex foldOBit;
std::string generateDisassembly(Addr pc,
const SymbolTable *symtab) const;
public:
%(class_name)s(ExtMachInst _machInst,
const char * instMnem,
uint64_t setFlags, InstRegIndex _dest,
uint64_t _imm, uint8_t _dataSize);
%(BasicExecDeclare)s
};
}};
def template MicroLimmOpDisassembly {{
std::string %(class_name)s::generateDisassembly(Addr pc,
const SymbolTable *symtab) const
{
std::stringstream response;
printMnemonic(response, instMnem, mnemonic);
printDestReg(response, 0, dataSize);
response << ", ";
ccprintf(response, "%#x", imm);
return response.str();
}
}};
def template MicroLimmOpConstructor {{
%(class_name)s::%(class_name)s(
ExtMachInst machInst, const char * instMnem, uint64_t setFlags,
InstRegIndex _dest, uint64_t _imm, uint8_t _dataSize) :
%(base_class)s(machInst, "%(mnemonic)s", instMnem,
setFlags, %(op_class)s),
dest(_dest.regIdx), imm(_imm), dataSize(_dataSize)
{
foldOBit = (dataSize == 1 && !machInst.rex.present) ? 1 << 6 : 0;
%(constructor)s;
}
}};
let {{
class LimmOp(X86Microop):
def __init__(self, dest, imm, dataSize="env.dataSize"):
self.className = "Limm"
self.mnemonic = "limm"
self.dest = dest
if isinstance(imm, (int, long)):
imm = "ULL(%d)" % imm
self.imm = imm
self.dataSize = dataSize
def getAllocator(self, microFlags):
allocString = '''
(%(dataSize)s >= 4) ?
(StaticInstPtr)(new %(class_name)sBig(machInst,
macrocodeBlock, %(flags)s, %(dest)s, %(imm)s,
%(dataSize)s)) :
(StaticInstPtr)(new %(class_name)s(machInst,
macrocodeBlock, %(flags)s, %(dest)s, %(imm)s,
%(dataSize)s))
'''
allocator = allocString % {
"class_name" : self.className,
"mnemonic" : self.mnemonic,
"flags" : self.microFlagsText(microFlags),
"dest" : self.dest, "imm" : self.imm,
"dataSize" : self.dataSize}
return allocator
microopClasses["limm"] = LimmOp
class LfpimmOp(X86Microop):
def __init__(self, dest, imm, dataSize="env.dataSize"):
self.className = "Lfpimm"
self.mnemonic = "lfpimm"
self.dest = dest
if isinstance(imm, (int, long)):
imm = "ULL(%d)" % imm
elif isinstance(imm, float):
imm = "getDoubleBits(%.16f)" % imm
self.imm = imm
self.dataSize = dataSize
def getAllocator(self, microFlags):
allocator = '''new %(class_name)s(machInst, macrocodeBlock,
%(flags)s, %(dest)s, %(imm)s, %(dataSize)s)''' % {
"class_name" : self.className,
"mnemonic" : self.mnemonic,
"flags" : self.microFlagsText(microFlags),
"dest" : self.dest, "imm" : self.imm,
"dataSize" : self.dataSize}
return allocator
microopClasses["lfpimm"] = LfpimmOp
}};
let {{
# Build up the all register version of this micro op
iops = [InstObjParams("limm", "Limm", 'X86MicroopBase',
{"code" : "DestReg = merge(DestReg, imm, dataSize);"}),
InstObjParams("limm", "LimmBig", 'X86MicroopBase',
{"code" : "DestReg = imm & mask(dataSize * 8);"})]
for iop in iops:
header_output += MicroLimmOpDeclare.subst(iop)
decoder_output += MicroLimmOpConstructor.subst(iop)
decoder_output += MicroLimmOpDisassembly.subst(iop)
exec_output += MicroLimmOpExecute.subst(iop)
iop = InstObjParams("lfpimm", "Lfpimm", 'X86MicroopBase',
{"code" : "FpDestReg_uqw = imm"})
header_output += MicroLimmOpDeclare.subst(iop)
decoder_output += MicroLimmOpConstructor.subst(iop)
decoder_output += MicroLimmOpDisassembly.subst(iop)
exec_output += MicroLimmOpExecute.subst(iop)
}};
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