// Copyright (c) 2008 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
output header {{
class SeqOpBase : public X86ISA::X86MicroopBase
{
protected:
uint16_t target;
uint8_t cc;
public:
SeqOpBase(ExtMachInst _machInst, const char * instMnem,
const char * mnemonic,
bool isMicro, bool isDelayed, bool isFirst, bool isLast,
uint16_t _target, uint8_t _cc);
SeqOpBase(ExtMachInst _machInst, const char * instMnem,
const char * mnemonic,
uint16_t _target, uint8_t _cc);
std::string generateDisassembly(Addr pc,
const SymbolTable *symtab) const;
};
}};
def template SeqOpDeclare {{
class %(class_name)s : public %(base_class)s
{
private:
void buildMe();
public:
%(class_name)s(ExtMachInst _machInst, const char * instMnem,
bool isMicro, bool isDelayed, bool isFirst, bool isLast,
uint16_t _target, uint8_t _cc);
%(class_name)s(ExtMachInst _machInst, const char * instMnem,
uint16_t _target, uint8_t _cc);
%(BasicExecDeclare)s
};
}};
def template SeqOpExecute {{
Fault %(class_name)s::execute(%(CPU_exec_context)s *xc,
Trace::InstRecord *traceData) const
{
%(op_decl)s;
%(op_rd)s;
if (%(cond_test)s) {
%(code)s;
} else {
%(else_code)s;
}
%(op_wb)s;
return NoFault;
}
}};
output decoder {{
inline SeqOpBase::SeqOpBase(
ExtMachInst machInst, const char * mnemonic, const char * instMnem,
uint16_t _target, uint8_t _cc) :
X86MicroopBase(machInst, mnemonic, instMnem,
false, false, false, false, No_OpClass),
target(_target), cc(_cc)
{
}
inline SeqOpBase::SeqOpBase(
ExtMachInst machInst, const char * mnemonic, const char * instMnem,
bool isMicro, bool isDelayed, bool isFirst, bool isLast,
uint16_t _target, uint8_t _cc) :
X86MicroopBase(machInst, mnemonic, instMnem,
isMicro, isDelayed, isFirst, isLast, No_OpClass),
target(_target), cc(_cc)
{
}
}};
def template SeqOpConstructor {{
inline void %(class_name)s::buildMe()
{
%(constructor)s;
}
inline %(class_name)s::%(class_name)s(
ExtMachInst machInst, const char * instMnem,
uint16_t _target, uint8_t _cc) :
%(base_class)s(machInst, "%(mnemonic)s", instMnem, _target, _cc)
{
buildMe();
}
inline %(class_name)s::%(class_name)s(
ExtMachInst machInst, const char * instMnem,
bool isMicro, bool isDelayed, bool isFirst, bool isLast,
uint16_t _target, uint8_t _cc) :
%(base_class)s(machInst, "%(mnemonic)s", instMnem,
isMicro, isDelayed, isFirst, isLast, _target, _cc)
{
buildMe();
}
}};
output decoder {{
std::string SeqOpBase::generateDisassembly(Addr pc,
const SymbolTable *symtab) const
{
std::stringstream response;
printMnemonic(response, instMnem, mnemonic);
ccprintf(response, "%#x", target);
return response.str();
}
}};
let {{
class SeqOp(X86Microop):
def __init__(self, target, flags=None):
self.target = target
if flags:
if not isinstance(flags, (list, tuple)):
raise Exception, "flags must be a list or tuple of flags"
self.cond = " | ".join(flags)
self.className += "Flags"
else:
self.cond = "0"
def getAllocator(self, *microFlags):
allocator = '''new %(class_name)s(machInst, macrocodeBlock
%(flags)s, %(target)s, %(cc)s)''' % {
"class_name" : self.className,
"flags" : self.microFlagsText(microFlags),
"target" : self.target,
"cc" : self.cond}
return allocator
class Br(SeqOp):
className = "MicroBranch"
def getAllocator(self, *microFlags):
(is_micro, is_delayed, is_first, is_last) = microFlags
is_last = False
is_delayed = True
microFlags = (is_micro, is_delayed, is_first, is_last)
return super(Br, self).getAllocator(*microFlags)
class Eret(SeqOp):
target = "normalMicroPC(0)"
className = "Eret"
def __init__(self, flags=None):
if flags:
if not isinstance(flags, (list, tuple)):
raise Exception, "flags must be a list or tuple of flags"
self.cond = " | ".join(flags)
self.className += "Flags"
else:
self.cond = "0"
def getAllocator(self, *microFlags):
(is_micro, is_delayed, is_first, is_last) = microFlags
is_last = True
is_delayed = False
microFlags = (is_micro, is_delayed, is_first, is_last)
return super(Eret, self).getAllocator(*microFlags)
iop = InstObjParams("br", "MicroBranchFlags", "SeqOpBase",
{"code": "nuIP = target",
"else_code": "nuIP = nuIP",
"cond_test": "checkCondition(ccFlagBits, cc)"})
exec_output += SeqOpExecute.subst(iop)
header_output += SeqOpDeclare.subst(iop)
decoder_output += SeqOpConstructor.subst(iop)
iop = InstObjParams("br", "MicroBranch", "SeqOpBase",
{"code": "nuIP = target",
"else_code": "nuIP = nuIP",
"cond_test": "true"})
exec_output += SeqOpExecute.subst(iop)
header_output += SeqOpDeclare.subst(iop)
decoder_output += SeqOpConstructor.subst(iop)
microopClasses["br"] = Br
iop = InstObjParams("eret", "EretFlags", "SeqOpBase",
{"code": "", "else_code": "",
"cond_test": "checkCondition(ccFlagBits, cc)"})
exec_output += SeqOpExecute.subst(iop)
header_output += SeqOpDeclare.subst(iop)
decoder_output += SeqOpConstructor.subst(iop)
iop = InstObjParams("eret", "Eret", "SeqOpBase",
{"code": "", "else_code": "",
"cond_test": "true"})
exec_output += SeqOpExecute.subst(iop)
header_output += SeqOpDeclare.subst(iop)
decoder_output += SeqOpConstructor.subst(iop)
microopClasses["eret"] = Eret
}};