| // -*- mode:c++ -*- |
| |
| // Copyright (c) 2020 ARM Limited |
| // Copyright (c) 2020 Metempsy Technology Consulting |
| // 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. |
| |
| let {{ |
| |
| header_output = "" |
| decoder_output = "" |
| exec_output = "" |
| |
| def pacEnabledCode(hint): |
| if hint: |
| code = """ |
| if (!HavePACExt(xc->tcBase())) { |
| return NoFault; |
| } |
| """ |
| else: |
| code = """ |
| if (!HavePACExt(xc->tcBase())) { |
| return std::make_shared<UndefinedInstruction>( |
| machInst, true); |
| } |
| """ |
| return code |
| |
| def buildPauthObject(mnem, templateBase, opcode, hint, optArgs=[]): |
| global header_output, decoder_output, exec_output |
| pac_code = ''' |
| %(enabled)s |
| |
| uint64_t res; |
| fault = %(op)s(xc->tcBase(), %(op1)s, %(op2)s, &res); |
| XDest = res; |
| ''' |
| if templateBase=='DataX2Reg': |
| code = pac_code % {"enabled": pacEnabledCode(hint), |
| "op1": 'Op164', |
| "op2": 'Op264', |
| "op": opcode } |
| else: |
| code = pac_code % {"enabled": pacEnabledCode(hint), |
| "op1": 'XDest', |
| "op2": 'Op164', |
| "op": opcode } |
| |
| iop = InstObjParams(mnem, mnem, templateBase+"Op", code, optArgs) |
| header_output += eval(templateBase + "Declare").subst(iop) |
| decoder_output += eval(templateBase + "Constructor").subst(iop) |
| exec_output += BasicExecute.subst(iop) |
| |
| def buildXPauthObject(mnem, hint, optArgs=[]): |
| global header_output, decoder_output, exec_output |
| templateBase = "XPauthOpRegReg" |
| |
| code = pacEnabledCode(hint) + """ |
| uint64_t res; |
| fault = stripPAC(xc->tcBase(), XDest, data, &res); |
| XDest = res; |
| """ |
| regoptype = 'RegOp' |
| |
| iop = InstObjParams(mnem, mnem, regoptype, code, optArgs) |
| header_output += eval(templateBase + "Declare").subst(iop) |
| decoder_output += eval(templateBase + "Constructor").subst(iop) |
| exec_output += BasicExecute.subst(iop) |
| |
| |
| buildPauthObject("Pacda", "DataX1Reg", 'addPACDA', hint=False) |
| buildPauthObject("Pacdza", "DataX1Reg", 'addPACDA', hint=False) |
| buildPauthObject("Pacdb", "DataX1Reg", 'addPACDB', hint=False) |
| buildPauthObject("Pacdzb", "DataX1Reg", 'addPACDB', hint=False) |
| buildPauthObject("Pacga", "DataX2Reg", 'addPACGA', hint=False) |
| |
| buildPauthObject("Pacia", "DataX1Reg", 'addPACIA', hint=False) |
| buildPauthObject("Pacia1716", "DataX1Reg", 'addPACIA', hint=True) |
| buildPauthObject("Paciasp", "DataX1Reg", 'addPACIA', hint=True) |
| buildPauthObject("Paciaz", "DataX1Reg", 'addPACIA', hint=True) |
| buildPauthObject("Paciza", "DataX1Reg", 'addPACIA', hint=False) |
| |
| buildPauthObject("Pacib", "DataX1Reg", 'addPACIB', hint=False) |
| buildPauthObject("Pacib1716", "DataX1Reg", 'addPACIB', hint=True) |
| buildPauthObject("Pacibsp", "DataX1Reg", 'addPACIB', hint=True) |
| buildPauthObject("Pacibz", "DataX1Reg", 'addPACIB', hint=True) |
| buildPauthObject("Pacizb", "DataX1Reg", 'addPACIB', hint=False) |
| |
| buildPauthObject("Autda", "DataX1Reg", 'authDA', hint=False) |
| buildPauthObject("Autdza", "DataX1Reg", 'authDA', hint=False) |
| buildPauthObject("Autdb", "DataX1Reg", 'authDB', hint=False) |
| buildPauthObject("Autdzb", "DataX1Reg", 'authDB', hint=False) |
| |
| buildPauthObject("Autia", "DataX1Reg", 'authIA', hint=False) |
| buildPauthObject("Autia1716", "DataX1Reg", 'authIA', hint=True) |
| buildPauthObject("Autiasp", "DataX1Reg", 'authIA', hint=True) |
| buildPauthObject("Autiaz", "DataX1Reg", 'authIA', hint=True) |
| buildPauthObject("Autiza", "DataX1Reg", 'authIA', hint=False) |
| |
| buildPauthObject("Autib", "DataX1Reg", 'authIB', hint=False) |
| buildPauthObject("Autib1716", "DataX1Reg", 'authIB', hint=True) |
| buildPauthObject("Autibsp", "DataX1Reg", 'authIB', hint=True) |
| buildPauthObject("Autibz", "DataX1Reg", 'authIB', hint=True) |
| buildPauthObject("Autizb", "DataX1Reg", 'authIB', hint=False) |
| |
| buildXPauthObject("Xpacd", hint=False) |
| buildXPauthObject("Xpaci", hint=False) |
| buildXPauthObject("Xpaclri", hint=True) |
| }}; |
