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Diffstat (limited to 'src/arch/arm/isa/templates/crypto.isa')
| -rw-r--r-- | src/arch/arm/isa/templates/crypto.isa | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/src/arch/arm/isa/templates/crypto.isa b/src/arch/arm/isa/templates/crypto.isa new file mode 100644 index 000000000..083ef1336 --- /dev/null +++ b/src/arch/arm/isa/templates/crypto.isa @@ -0,0 +1,69 @@ +// -*- 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 + +// These currently all work on quad words, so some element/register +// storage/extraction here is fixed as constants. +def template CryptoPredOpExecute {{ + Fault %(class_name)s::execute(ExecContext *xc, + Trace::InstRecord *traceData) const + { + Fault fault = NoFault; + %(op_decl)s; + %(op_rd)s; + + const unsigned rCount = %(r_count)d; + + union RegVect { + FloatRegBits regs[rCount]; + }; + + if (%(predicate_test)s) + { + %(code)s; + if (fault == NoFault) + { + %(op_wb)s; + } + } else { + xc->setPredicate(false); + } + + return fault; + } +}}; |