| // -*- mode:c++ -*- |
| |
| // Copyright (c) 2015 RISC-V Foundation |
| // Copyright (c) 2016 The University of Virginia |
| // 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. |
| |
| // Basic instruction class declaration template. |
| def template BasicDeclare {{ |
| // |
| // Static instruction class for "%(mnemonic)s". |
| // |
| class %(class_name)s : public %(base_class)s |
| { |
| private: |
| %(reg_idx_arr_decl)s; |
| |
| public: |
| /// Constructor. |
| %(class_name)s(MachInst machInst); |
| Fault execute(ExecContext *, Trace::InstRecord *) const override; |
| using %(base_class)s::generateDisassembly; |
| }; |
| }}; |
| |
| // Basic instruction class constructor template. |
| def template BasicConstructor {{ |
| %(class_name)s::%(class_name)s(MachInst machInst) |
| : %(base_class)s("%(mnemonic)s", machInst, %(op_class)s) |
| { |
| %(set_reg_idx_arr)s; |
| %(constructor)s; |
| } |
| }}; |
| |
| |
| // Basic instruction class execute method template. |
| def template BasicExecute {{ |
| Fault |
| %(class_name)s::execute(ExecContext *xc, |
| Trace::InstRecord *traceData) const |
| { |
| %(op_decl)s; |
| %(op_rd)s; |
| %(code)s; |
| %(op_wb)s; |
| return NoFault; |
| } |
| }}; |
| |
| // Basic decode template. |
| def template BasicDecode {{ |
| return new %(class_name)s(machInst); |
| }}; |
| |
| // The most basic instruction format... |
| def format BasicOp(code, *flags) {{ |
| iop = InstObjParams(name, Name, 'RiscvStaticInst', code, flags) |
| header_output = BasicDeclare.subst(iop) |
| decoder_output = BasicConstructor.subst(iop) |
| decode_block = BasicDecode.subst(iop) |
| exec_output = BasicExecute.subst(iop) |
| }}; |