xref: /gem5/src/arch/arm/isa/insts/m5ops.isa

//
// Copyright (c) 2010 ARM Limited
// 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: Gene Wu


let {{
    header_output = ""
    decoder_output = '''
    uint64_t join32to64(uint32_t r1, uint32_t r0)
    {
        uint64_t r = r1;
        r <<= 32;
        r |= r0;
        return r;
    }
    '''
    exec_output = '''
    uint64_t join32to64(uint32_t r1, uint32_t r0);
    '''


    armCode = '''
#if FULL_SYSTEM
    PseudoInst::arm(xc->tcBase());
#endif
    '''
    armIop = InstObjParams("arm", "Arm", "PredOp",
                           { "code": armCode,
                             "predicate_test": predicateTest },
                             ["IsNonSpeculative"])
    header_output += BasicDeclare.subst(armIop)
    decoder_output += BasicConstructor.subst(armIop)
    exec_output += PredOpExecute.subst(armIop)

    quiesceCode = '''
#if FULL_SYSTEM
    PseudoInst::quiesce(xc->tcBase());
#endif
    '''
    quiesceIop = InstObjParams("quiesce", "Quiesce", "PredOp",
                           { "code": quiesceCode,
                             "predicate_test": predicateTest },
                             ["IsNonSpeculative", "IsQuiesce"])
    header_output += BasicDeclare.subst(quiesceIop)
    decoder_output += BasicConstructor.subst(quiesceIop)
    exec_output += QuiescePredOpExecute.subst(quiesceIop)

    quiesceNsCode = '''
#if FULL_SYSTEM
    PseudoInst::quiesceNs(xc->tcBase(), join32to64(R1, R0));
#endif
    '''

    quiesceNsIop = InstObjParams("quiesceNs", "QuiesceNs", "PredOp",
                           { "code": quiesceNsCode,
                             "predicate_test": predicateTest },
                             ["IsNonSpeculative", "IsQuiesce"])
    header_output += BasicDeclare.subst(quiesceNsIop)
    decoder_output += BasicConstructor.subst(quiesceNsIop)
    exec_output += QuiescePredOpExecute.subst(quiesceNsIop)

    quiesceCyclesCode = '''
#if FULL_SYSTEM
    PseudoInst::quiesceCycles(xc->tcBase(), join32to64(R1, R0));
#endif
    '''

    quiesceCyclesIop = InstObjParams("quiesceCycles", "QuiesceCycles", "PredOp",
                           { "code": quiesceCyclesCode,
                             "predicate_test": predicateTest },
                             ["IsNonSpeculative", "IsQuiesce", "IsUnverifiable"])
    header_output += BasicDeclare.subst(quiesceCyclesIop)
    decoder_output += BasicConstructor.subst(quiesceCyclesIop)
    exec_output += QuiescePredOpExecute.subst(quiesceCyclesIop)

    quiesceTimeCode = '''
#if FULL_SYSTEM
    uint64_t qt_val = PseudoInst::quiesceTime(xc->tcBase());
    R0 = bits(qt_val, 31, 0);
    R1 = bits(qt_val, 63, 32);
#endif
    '''

    quiesceTimeIop = InstObjParams("quiesceTime", "QuiesceTime", "PredOp",
                           { "code": quiesceTimeCode,
                             "predicate_test": predicateTest },
                             ["IsNonSpeculative", "IsUnverifiable"])
    header_output += BasicDeclare.subst(quiesceTimeIop)
    decoder_output += BasicConstructor.subst(quiesceTimeIop)
    exec_output += PredOpExecute.subst(quiesceTimeIop)

    rpnsCode = '''
    uint64_t rpns_val = PseudoInst::rpns(xc->tcBase());
    R0 = bits(rpns_val, 31, 0);
    R1 = bits(rpns_val, 63, 32);
    '''

    rpnsIop = InstObjParams("rpns", "Rpns", "PredOp",
                           { "code": rpnsCode,
                             "predicate_test": predicateTest },
                             ["IsNonSpeculative", "IsUnverifiable"])
    header_output += BasicDeclare.subst(rpnsIop)
    decoder_output += BasicConstructor.subst(rpnsIop)
    exec_output += PredOpExecute.subst(rpnsIop)

    wakeCpuCode = '''
    PseudoInst::wakeCPU(xc->tcBase(), join32to64(R1,R0));
    '''

    wakeCPUIop = InstObjParams("wakeCPU", "WakeCPU", "PredOp",
                   { "code": wakeCpuCode,
                     "predicate_test": predicateTest },
                     ["IsNonSpeculative", "IsUnverifiable"])
    header_output += BasicDeclare.subst(wakeCPUIop)
    decoder_output += BasicConstructor.subst(wakeCPUIop)
    exec_output += PredOpExecute.subst(wakeCPUIop)

    deprecated_ivlbIop = InstObjParams("deprecated_ivlb", "Deprecated_ivlb", "PredOp",
                           { "code": '''warn_once("Obsolete M5 ivlb instruction encountered.\\n");''',
                             "predicate_test": predicateTest })
    header_output += BasicDeclare.subst(deprecated_ivlbIop)
    decoder_output += BasicConstructor.subst(deprecated_ivlbIop)
    exec_output += PredOpExecute.subst(deprecated_ivlbIop)

    deprecated_ivleIop = InstObjParams("deprecated_ivle", "Deprecated_ivle", "PredOp",
                           { "code": '''warn_once("Obsolete M5 ivle instruction encountered.\\n");''',
                             "predicate_test": predicateTest })
    header_output += BasicDeclare.subst(deprecated_ivleIop)
    decoder_output += BasicConstructor.subst(deprecated_ivleIop)
    exec_output += PredOpExecute.subst(deprecated_ivleIop)

    deprecated_exit_code = '''
        warn_once("Obsolete M5 exit instruction encountered.\\n");
        PseudoInst::m5exit(xc->tcBase(), 0);
    '''

    deprecated_exitIop = InstObjParams("deprecated_exit", "Deprecated_exit", "PredOp",
                           { "code": deprecated_exit_code,
                             "predicate_test": predicateTest },
                             ["No_OpClass", "IsNonSpeculative"])
    header_output += BasicDeclare.subst(deprecated_exitIop)
    decoder_output += BasicConstructor.subst(deprecated_exitIop)
    exec_output += PredOpExecute.subst(deprecated_exitIop)

    m5exit_code = '''
        PseudoInst::m5exit(xc->tcBase(), join32to64(R1, R0));
    '''
    m5exitIop = InstObjParams("m5exit", "M5exit", "PredOp",
                                   { "code": m5exit_code,
                                     "predicate_test": predicateTest },
                                     ["No_OpClass", "IsNonSpeculative"])
    header_output += BasicDeclare.subst(m5exitIop)
    decoder_output += BasicConstructor.subst(m5exitIop)
    exec_output += PredOpExecute.subst(m5exitIop)

    loadsymbolCode = '''
#if FULL_SYSTEM
    PseudoInst::loadsymbol(xc->tcBase());
#endif
    '''

    loadsymbolIop = InstObjParams("loadsymbol", "Loadsymbol", "PredOp",
                           { "code": loadsymbolCode,
                             "predicate_test": predicateTest },
                             ["No_OpClass", "IsNonSpeculative"])
    header_output += BasicDeclare.subst(loadsymbolIop)
    decoder_output += BasicConstructor.subst(loadsymbolIop)
    exec_output += PredOpExecute.subst(loadsymbolIop)

    initparamCode = '''
#if FULL_SYSTEM
    Rt = xc->tcBase()->getCpuPtr()->system->init_param;
#endif
    '''

    initparamIop = InstObjParams("initparam", "Initparam", "PredOp",
                           { "code": initparamCode,
                             "predicate_test": predicateTest })
    header_output += BasicDeclare.subst(initparamIop)
    decoder_output += BasicConstructor.subst(initparamIop)
    exec_output += PredOpExecute.subst(initparamIop)

    resetstats_code = '''
    PseudoInst::resetstats(xc->tcBase(), join32to64(R1, R0), join32to64(R3, R2));
    '''

    resetstatsIop = InstObjParams("resetstats", "Resetstats", "PredOp",
                           { "code": resetstats_code,
                             "predicate_test": predicateTest },
                             ["IsNonSpeculative"])
    header_output += BasicDeclare.subst(resetstatsIop)
    decoder_output += BasicConstructor.subst(resetstatsIop)
    exec_output += PredOpExecute.subst(resetstatsIop)

    dumpstats_code = '''
    PseudoInst::dumpstats(xc->tcBase(), join32to64(R1, R0), join32to64(R3, R2));
    '''
    dumpstatsIop = InstObjParams("dumpstats", "Dumpstats", "PredOp",
                           { "code": dumpstats_code,
                             "predicate_test": predicateTest },
                             ["IsNonSpeculative"])
    header_output += BasicDeclare.subst(dumpstatsIop)
    decoder_output += BasicConstructor.subst(dumpstatsIop)
    exec_output += PredOpExecute.subst(dumpstatsIop)

    dumpresetstats_code = '''
    PseudoInst::dumpresetstats(xc->tcBase(), join32to64(R1, R0), join32to64(R3, R2));
    '''
    dumpresetstatsIop = InstObjParams("dumpresetstats", "Dumpresetstats", "PredOp",
                           { "code": dumpresetstats_code,
                             "predicate_test": predicateTest },
                             ["IsNonSpeculative"])
    header_output += BasicDeclare.subst(dumpresetstatsIop)
    decoder_output += BasicConstructor.subst(dumpresetstatsIop)
    exec_output += PredOpExecute.subst(dumpresetstatsIop)

    m5checkpoint_code = '''
    PseudoInst::m5checkpoint(xc->tcBase(), join32to64(R1, R0), join32to64(R3, R2));
    '''
    m5checkpointIop = InstObjParams("m5checkpoint", "M5checkpoint", "PredOp",
                           { "code": m5checkpoint_code,
                             "predicate_test": predicateTest },
                             ["IsNonSpeculative"])
    header_output += BasicDeclare.subst(m5checkpointIop)
    decoder_output += BasicConstructor.subst(m5checkpointIop)
    exec_output += PredOpExecute.subst(m5checkpointIop)

    m5readfileCode = '''
#if FULL_SYSTEM
    int n = 4;
    uint64_t offset = getArgument(xc->tcBase(), n, sizeof(uint64_t), false);
    R0 = PseudoInst::readfile(xc->tcBase(), R0, join32to64(R3,R2), offset);
#endif
    '''
    m5readfileIop = InstObjParams("m5readfile", "M5readfile", "PredOp",
                           { "code": m5readfileCode,
                             "predicate_test": predicateTest },
                             ["IsNonSpeculative"])
    header_output += BasicDeclare.subst(m5readfileIop)
    decoder_output += BasicConstructor.subst(m5readfileIop)
    exec_output += PredOpExecute.subst(m5readfileIop)

    m5breakIop = InstObjParams("m5break", "M5break", "PredOp",
                           { "code": "PseudoInst::debugbreak(xc->tcBase());",
                             "predicate_test": predicateTest },
                             ["IsNonSpeculative"])
    header_output += BasicDeclare.subst(m5breakIop)
    decoder_output += BasicConstructor.subst(m5breakIop)
    exec_output += PredOpExecute.subst(m5breakIop)

    m5switchcpuIop = InstObjParams("m5switchcpu", "M5switchcpu", "PredOp",
                           { "code": "PseudoInst::switchcpu(xc->tcBase());",
                             "predicate_test": predicateTest },
                             ["IsNonSpeculative"])
    header_output += BasicDeclare.subst(m5switchcpuIop)
    decoder_output += BasicConstructor.subst(m5switchcpuIop)
    exec_output += PredOpExecute.subst(m5switchcpuIop)

    m5addsymbolCode = '''
#if FULL_SYSTEM
    PseudoInst::addsymbol(xc->tcBase(), join32to64(R1, R0), R2);
#endif
    '''
    m5addsymbolIop = InstObjParams("m5addsymbol", "M5addsymbol", "PredOp",
                           { "code": m5addsymbolCode,
                             "predicate_test": predicateTest },
                             ["IsNonSpeculative"])
    header_output += BasicDeclare.subst(m5addsymbolIop)
    decoder_output += BasicConstructor.subst(m5addsymbolIop)
    exec_output += PredOpExecute.subst(m5addsymbolIop)

    m5panicCode = '''panic("M5 panic instruction called at pc=%#x.",
                     xc->pcState().pc());'''
    m5panicIop = InstObjParams("m5panic", "M5panic", "PredOp",
                     { "code": m5panicCode,
                       "predicate_test": predicateTest },
                       ["IsNonSpeculative"])
    header_output += BasicDeclare.subst(m5panicIop)
    decoder_output += BasicConstructor.subst(m5panicIop)
    exec_output += PredOpExecute.subst(m5panicIop)

}};