// -*- mode:c++ -*- // 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. // // Copyright (c) 2007-2008 The Florida State University // All rights reserved. // // 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: Stephen Hines // Gabe Black //////////////////////////////////////////////////////////////////// // // Load/store microops // let {{ predicateTest = 'testPredicate(CondCodes, condCode)' }}; let {{ microLdrUopIop = InstObjParams('ldr_uop', 'MicroLdrUop', 'MicroMemOp', {'memacc_code': 'Ra = Mem;', 'ea_code': 'EA = Rb + (up ? imm : -imm);', 'predicate_test': predicateTest}, ['IsMicroop']) microLdrFpUopIop = InstObjParams('ldrfp_uop', 'MicroLdrFpUop', 'MicroMemOp', {'memacc_code': 'Fa = Mem;', 'ea_code': 'EA = Rb + (up ? imm : -imm);', 'predicate_test': predicateTest}, ['IsMicroop']) microLdrRetUopCode = ''' Ra = Mem; uint32_t newCpsr = cpsrWriteByInstr(Cpsr | CondCodes, Spsr, 0xF, true); Cpsr = ~CondCodesMask & newCpsr; CondCodes = CondCodesMask & newCpsr; ''' microLdrRetUopIop = InstObjParams('ldr_ret_uop', 'MicroLdrRetUop', 'MicroMemOp', {'memacc_code': microLdrRetUopCode, 'ea_code': 'EA = Rb + (up ? imm : -imm);', 'predicate_test': predicateTest}, ['IsMicroop']) microStrUopIop = InstObjParams('str_uop', 'MicroStrUop', 'MicroMemOp', {'memacc_code': 'Mem = Ra;', 'ea_code': 'EA = Rb + (up ? imm : -imm);', 'predicate_test': predicateTest}, ['IsMicroop']) microStrFpUopIop = InstObjParams('strfp_uop', 'MicroStrFpUop', 'MicroMemOp', {'memacc_code': 'Mem = Fa;', 'ea_code': 'EA = Rb + (up ? imm : -imm);', 'predicate_test': predicateTest}, ['IsMicroop']) header_output = decoder_output = exec_output = '' loadIops = (microLdrUopIop, microLdrFpUopIop, microLdrRetUopIop) storeIops = (microStrUopIop, microStrFpUopIop) for iop in loadIops + storeIops: header_output += MicroMemDeclare.subst(iop) decoder_output += MicroMemConstructor.subst(iop) for iop in loadIops: exec_output += LoadExecute.subst(iop) + \ LoadInitiateAcc.subst(iop) + \ LoadCompleteAcc.subst(iop) for iop in storeIops: exec_output += StoreExecute.subst(iop) + \ StoreInitiateAcc.subst(iop) + \ StoreCompleteAcc.subst(iop) }}; //////////////////////////////////////////////////////////////////// // // Integer = Integer op Immediate microops // let {{ microAddiUopIop = InstObjParams('addi_uop', 'MicroAddiUop', 'MicroIntOp', {'code': 'Ra = Rb + imm;', 'predicate_test': predicateTest}, ['IsMicroop']) microSubiUopIop = InstObjParams('subi_uop', 'MicroSubiUop', 'MicroIntOp', {'code': 'Ra = Rb - imm;', 'predicate_test': predicateTest}, ['IsMicroop']) header_output = MicroIntDeclare.subst(microAddiUopIop) + \ MicroIntDeclare.subst(microSubiUopIop) decoder_output = MicroIntConstructor.subst(microAddiUopIop) + \ MicroIntConstructor.subst(microSubiUopIop) exec_output = PredOpExecute.subst(microAddiUopIop) + \ PredOpExecute.subst(microSubiUopIop) }}; let {{ iop = InstObjParams("ldmstm", "LdmStm", 'MacroMemOp', "", []) header_output = MacroMemDeclare.subst(iop) decoder_output = MacroMemConstructor.subst(iop) }};