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// Copyright (c) 2008 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
//////////////////////////////////////////////////////////////////////////
//
// Debug Microops
//
//////////////////////////////////////////////////////////////////////////
output header {{
class MicroDebugBase : public X86ISA::X86MicroopBase
{
protected:
typedef GenericISA::M5DebugFault::DebugFunc DebugFunc;
DebugFunc func;
std::string message;
uint8_t cc;
public:
MicroDebugBase(ExtMachInst machInst, const char * mnem,
const char * instMnem, uint64_t setFlags,
DebugFunc _func, std::string _message, uint8_t _cc) :
X86MicroopBase(machInst, mnem, instMnem, setFlags, No_OpClass),
func(_func), message(_message), cc(_cc)
{}
std::string
generateDisassembly(Addr pc, const SymbolTable *symtab) const
{
std::stringstream response;
printMnemonic(response, instMnem, mnemonic);
response << "\"" << message << "\"";
return response.str();
}
};
}};
def template MicroDebugDeclare {{
class %(class_name)s : public %(base_class)s
{
public:
%(class_name)s(ExtMachInst _machInst, const char * instMnem,
uint64_t setFlags, std::string _message, uint8_t _cc);
%(BasicExecDeclare)s
};
}};
def template MicroDebugExecute {{
Fault
%(class_name)s::execute(%(CPU_exec_context)s *xc,
Trace::InstRecord *traceData) const
{
%(op_decl)s
%(op_rd)s
if (%(cond_test)s) {
return new GenericISA::M5DebugFault(func, message);
} else {
return NoFault;
}
}
}};
def template MicroDebugConstructor {{
%(class_name)s::%(class_name)s(
ExtMachInst machInst, const char * instMnem, uint64_t setFlags,
std::string _message, uint8_t _cc) :
%(base_class)s(machInst, "%(func)s", instMnem,
setFlags, %(func_num)s, _message, _cc)
{
%(constructor)s;
}
}};
let {{
class MicroDebug(X86Microop):
def __init__(self, message, flags=None):
self.message = message
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, "%(message)s", %(cc)s)''' % {
"class_name" : self.className,
"flags" : self.microFlagsText(microFlags),
"message" : self.message,
"cc" : self.cond}
return allocator
exec_output = ""
header_output = ""
decoder_output = ""
def buildDebugMicro(func, func_num):
global exec_output, header_output, decoder_output
iop = InstObjParams(func, "Micro%sFlags" % func.capitalize(),
"MicroDebugBase",
{"code": "",
"func": func,
"func_num": "GenericISA::M5DebugFault::%s" % func_num,
"cond_test": "checkCondition(ccFlagBits | cfofBits | \
ecfBit | ezfBit, cc)"})
exec_output += MicroDebugExecute.subst(iop)
header_output += MicroDebugDeclare.subst(iop)
decoder_output += MicroDebugConstructor.subst(iop)
iop = InstObjParams(func, "Micro%s" % func.capitalize(),
"MicroDebugBase",
{"code": "",
"func": func,
"func_num": "GenericISA::M5DebugFault::%s" % func_num,
"cond_test": "true"})
exec_output += MicroDebugExecute.subst(iop)
header_output += MicroDebugDeclare.subst(iop)
decoder_output += MicroDebugConstructor.subst(iop)
class MicroDebugChild(MicroDebug):
className = "Micro%s" % func.capitalize()
global microopClasses
microopClasses[func] = MicroDebugChild
buildDebugMicro("panic", "PanicFunc")
buildDebugMicro("fatal", "FatalFunc")
buildDebugMicro("warn", "WarnFunc")
buildDebugMicro("warn_once", "WarnOnceFunc")
}};
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