| // -*- mode:c++ -*- |
| // |
| // Copyright (c) 2018 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: Matt Horsnell |
| // Prakash Ramrakhyani |
| |
| let {{ |
| |
| cryptoEnabledCheckCode = ''' |
| auto crypto_reg = xc->tcBase()->readMiscReg(MISCREG_ID_ISAR5); |
| if (!(crypto_reg & %(mask)d)) { |
| return std::make_shared<UndefinedInstruction>(machInst, true); |
| } |
| ''' |
| |
| header_output = "" |
| decoder_output = "" |
| exec_output = "" |
| |
| cryptoRegRegRegPrefix = ''' |
| Crypto crypto; |
| RegVect srcReg1, srcReg2, destReg; |
| // Read source and destination registers. |
| ''' |
| for reg in range(4): |
| cryptoRegRegRegPrefix += ''' |
| srcReg1.regs[%(reg)d] = htog(FpOp1P%(reg)d_uw); |
| srcReg2.regs[%(reg)d] = htog(FpOp2P%(reg)d_uw); |
| destReg.regs[%(reg)d] = htog(FpDestP%(reg)d_uw); |
| ''' % { "reg" : reg } |
| cryptoRegRegRegPrefix += ''' |
| unsigned char *output = (unsigned char *)(&destReg.regs[0]); |
| unsigned char *input = (unsigned char *)(&srcReg1.regs[0]); |
| unsigned char *input2 = (unsigned char *)(&srcReg2.regs[0]); |
| ''' |
| |
| cryptoSuffix = "" |
| for reg in range(4): |
| cryptoSuffix += ''' |
| FpDestP%(reg)d_uw = gtoh(destReg.regs[%(reg)d]); |
| ''' % { "reg" : reg } |
| |
| cryptoRegRegPrefix = ''' |
| Crypto crypto; |
| RegVect srcReg1, destReg; |
| // Read source and destination registers. |
| ''' |
| for reg in range(4): |
| cryptoRegRegPrefix += ''' |
| srcReg1.regs[%(reg)d] = htog(FpOp1P%(reg)d_uw); |
| destReg.regs[%(reg)d] = htog(FpDestP%(reg)d_uw); |
| ''' % { "reg" : reg } |
| |
| cryptoRegRegPrefix += ''' |
| // cast into format passed to aes encrypt method. |
| unsigned char *output = (unsigned char *)(&destReg.regs[0]); |
| unsigned char *input = (unsigned char *)(&srcReg1.regs[0]); |
| ''' |
| |
| def cryptoRegRegRegInst(name, Name, opClass, enable_check, crypto_func): |
| global header_output, decoder_output, exec_output |
| |
| crypto_prefix = enable_check + cryptoRegRegRegPrefix |
| cryptocode = crypto_prefix + crypto_func + cryptoSuffix |
| |
| cryptoiop = InstObjParams(name, Name, "RegRegRegOp", |
| { "code": cryptocode, |
| "r_count": 4, |
| "predicate_test": predicateTest, |
| "op_class": opClass}, []) |
| header_output += RegRegRegOpDeclare.subst(cryptoiop) |
| decoder_output += RegRegRegOpConstructor.subst(cryptoiop) |
| exec_output += CryptoPredOpExecute.subst(cryptoiop) |
| |
| def cryptoRegRegInst(name, Name, opClass, enable_check, crypto_func): |
| global header_output, decoder_output, exec_output |
| |
| crypto_prefix = enable_check + cryptoRegRegPrefix |
| cryptocode = crypto_prefix + crypto_func + cryptoSuffix |
| |
| cryptoiop = InstObjParams(name, Name, "RegRegOp", |
| { "code": cryptocode, |
| "r_count": 4, |
| "predicate_test": predicateTest, |
| "op_class": opClass}, []) |
| header_output += RegRegOpDeclare.subst(cryptoiop) |
| decoder_output += RegRegOpConstructor.subst(cryptoiop) |
| exec_output += CryptoPredOpExecute.subst(cryptoiop) |
| |
| def cryptoRegRegImmInst(name, Name, opClass, enable_check, crypto_func): |
| global header_output, decoder_output, exec_output |
| |
| crypto_prefix = enable_check + cryptoRegRegPrefix |
| cryptocode = crypto_prefix + crypto_func + cryptoSuffix |
| |
| cryptoiop = InstObjParams(name, Name, "RegRegImmOp", |
| { "code": cryptocode, |
| "r_count": 4, |
| "predicate_test": predicateTest, |
| "op_class": opClass}, []) |
| header_output += RegRegImmOpDeclare.subst(cryptoiop) |
| decoder_output += RegRegImmOpConstructor.subst(cryptoiop) |
| exec_output += CryptoPredOpExecute.subst(cryptoiop) |
| |
| aeseCode = "crypto.aesEncrypt(output, input, input2);" |
| aesdCode = "crypto.aesDecrypt(output, input, input2);" |
| aesmcCode = "crypto.aesMixColumns(output, input);" |
| aesimcCode = "crypto.aesInvMixColumns(output, input);" |
| |
| sha1_cCode = "crypto.sha1C(output, input, input2);" |
| sha1_pCode = "crypto.sha1P(output, input, input2);" |
| sha1_mCode = "crypto.sha1M(output, input, input2);" |
| sha1_hCode = "crypto.sha1H(output, input);" |
| sha1_su0Code = "crypto.sha1Su0(output, input, input2);" |
| sha1_su1Code = "crypto.sha1Su1(output, input);" |
| |
| sha256_hCode = "crypto.sha256H(output, input, input2);" |
| sha256_h2Code = "crypto.sha256H2(output, input, input2);" |
| sha256_su0Code = "crypto.sha256Su0(output, input);" |
| sha256_su1Code = "crypto.sha256Su1(output, input, input2);" |
| |
| aes_enabled = cryptoEnabledCheckCode % { "mask" : 0xF0 } |
| cryptoRegRegRegInst("aese", "AESE", "SimdAesOp", |
| aes_enabled, aeseCode) |
| cryptoRegRegRegInst("aesd", "AESD", "SimdAesOp", |
| aes_enabled, aesdCode) |
| cryptoRegRegInst("aesmc", "AESMC", "SimdAesMixOp", |
| aes_enabled, aesmcCode) |
| cryptoRegRegInst("aesimc", "AESIMC", "SimdAesMixOp", |
| aes_enabled, aesimcCode) |
| |
| sha1_enabled = cryptoEnabledCheckCode % { "mask" : 0xF00 } |
| cryptoRegRegRegInst("sha1c", "SHA1C", "SimdSha1HashOp", |
| sha1_enabled, sha1_cCode) |
| cryptoRegRegRegInst("sha1p", "SHA1P", "SimdSha1HashOp", |
| sha1_enabled, sha1_pCode) |
| cryptoRegRegRegInst("sha1m", "SHA1M", "SimdSha1HashOp", |
| sha1_enabled, sha1_mCode) |
| cryptoRegRegInst("sha1h", "SHA1H", "SimdSha1Hash2Op", |
| sha1_enabled, sha1_hCode) |
| cryptoRegRegRegInst("sha1su0", "SHA1SU0", "SimdShaSigma3Op", |
| sha1_enabled, sha1_su0Code) |
| cryptoRegRegInst("sha1su1", "SHA1SU1", "SimdShaSigma2Op", |
| sha1_enabled, sha1_su1Code) |
| |
| sha2_enabled = cryptoEnabledCheckCode % { "mask" : 0xF000 } |
| cryptoRegRegRegInst("sha256h", "SHA256H", "SimdSha256HashOp", |
| sha2_enabled, sha256_hCode) |
| cryptoRegRegRegInst("sha256h2", "SHA256H2", "SimdSha256Hash2Op", |
| sha2_enabled, sha256_h2Code) |
| cryptoRegRegInst("sha256su0", "SHA256SU0", "SimdShaSigma2Op", |
| sha2_enabled, sha256_su0Code) |
| cryptoRegRegRegInst("sha256su1", "SHA256SU1", "SimdShaSigma3Op", |
| sha2_enabled, sha256_su1Code) |
| }}; |
