DBT-RISE-TGC/gen_input/templates/CORENAME.cpp.gtl

/*******************************************************************************
 * Copyright (C) 2017 - 2020 MINRES Technologies GmbH
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *
 * 2. 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.
 *
 * 3. Neither the name of the copyright holder 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 HOLDER 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.
 *
 *******************************************************************************/
<% 
def getRegisterSizes(){
	def regs = registers.collect{it.size}
	regs[-1]=64 // correct for NEXT_PC
	regs+=[32,32, 64, 64, 64, 32, 32] // append TRAP_STATE, PENDING_TRAP, ICOUNT, CYCLE, INSTRET, INSTRUCTION, LAST_BRANCH
    return regs
}
%>
// clang-format off
#include "${coreDef.name.toLowerCase()}.h"
#include "util/ities.h"
#include <util/logging.h>
#include <cstdio>
#include <cstring>
#include <fstream>

using namespace iss::arch;

constexpr std::array<const char*, ${registers.size()}>    iss::arch::traits<iss::arch::${coreDef.name.toLowerCase()}>::reg_names;
constexpr std::array<const char*, ${registers.size()}>    iss::arch::traits<iss::arch::${coreDef.name.toLowerCase()}>::reg_aliases;
constexpr std::array<const uint32_t, ${getRegisterSizes().size()}> iss::arch::traits<iss::arch::${coreDef.name.toLowerCase()}>::reg_bit_widths;
constexpr std::array<const uint32_t, ${getRegisterSizes().size()}> iss::arch::traits<iss::arch::${coreDef.name.toLowerCase()}>::reg_byte_offsets;

${coreDef.name.toLowerCase()}::${coreDef.name.toLowerCase()}()  = default;

${coreDef.name.toLowerCase()}::~${coreDef.name.toLowerCase()}() = default;

void ${coreDef.name.toLowerCase()}::reset(uint64_t address) {
    auto base_ptr = reinterpret_cast<traits<${coreDef.name.toLowerCase()}>::reg_t*>(get_regs_base_ptr());
    for(size_t i=0; i<traits<${coreDef.name.toLowerCase()}>::NUM_REGS; ++i)
        *(base_ptr+i)=0;
    reg.PC=address;
    reg.NEXT_PC=reg.PC;
    reg.PRIV=0x3;
    reg.trap_state=0;
    reg.icount=0;
}

uint8_t *${coreDef.name.toLowerCase()}::get_regs_base_ptr() {
	return reinterpret_cast<uint8_t*>(&reg);
}

${coreDef.name.toLowerCase()}::phys_addr_t ${coreDef.name.toLowerCase()}::virt2phys(const iss::addr_t &addr) {
    return phys_addr_t(addr.access, addr.space, addr.val&traits<${coreDef.name.toLowerCase()}>::addr_mask);
}
// clang-format on