148 lines
5.5 KiB
C++
148 lines
5.5 KiB
C++
////////////////////////////////////////////////////////////////////////////////
|
|
// Copyright (C) 2017, 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.
|
|
//
|
|
// Contributors:
|
|
// eyck@minres.com - initial API and implementation
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
#include "util/ities.h"
|
|
#include <easylogging++.h>
|
|
|
|
#include <elfio/elfio.hpp>
|
|
#include <iss/arch/minrv_ima.h>
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
#include <ihex.h>
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
#include <fstream>
|
|
#include <cstdio>
|
|
#include <cstring>
|
|
|
|
using namespace iss::arch;
|
|
|
|
minrv_ima::minrv_ima() {
|
|
reg.icount=0;
|
|
}
|
|
|
|
minrv_ima::~minrv_ima(){
|
|
}
|
|
|
|
void minrv_ima::reset(uint64_t address) {
|
|
for(size_t i=0; i<traits<minrv_ima>::NUM_REGS; ++i) set_reg(i, std::vector<uint8_t>(sizeof(traits<minrv_ima>::reg_t),0));
|
|
reg.PC=address;
|
|
reg.NEXT_PC=reg.PC;
|
|
reg.trap_state=0;
|
|
reg.machine_state=0x3;
|
|
}
|
|
|
|
uint8_t* minrv_ima::get_regs_base_ptr(){
|
|
return reinterpret_cast<uint8_t*>(®);
|
|
}
|
|
|
|
void minrv_ima::get_reg(short idx, std::vector<uint8_t>& value) {
|
|
if(idx<traits<minrv_ima>::NUM_REGS){
|
|
value.resize(traits<minrv_ima>::reg_byte_offset(idx+1)-traits<minrv_ima>::reg_byte_offset(idx));
|
|
uint8_t* r_ptr= ((uint8_t*)®)+traits<minrv_ima>::reg_byte_offset(idx);
|
|
std::copy(r_ptr, r_ptr+sizeof(traits<minrv_ima>::reg_t), value.begin());
|
|
}
|
|
}
|
|
|
|
void minrv_ima::set_reg(short idx, const std::vector<uint8_t>& value) {
|
|
if(idx < traits<minrv_ima>::NUM_REGS){
|
|
uint8_t* r_ptr= ((uint8_t*)®)+traits<minrv_ima>::reg_byte_offset(idx);
|
|
std::copy(value.begin(), value.end(), r_ptr);
|
|
}
|
|
}
|
|
|
|
bool minrv_ima::get_flag(int flag){
|
|
return false;
|
|
}
|
|
|
|
void minrv_ima::set_flag(int flag, bool value){
|
|
}
|
|
|
|
void minrv_ima::update_flags(operations op, uint64_t r0, uint64_t r1){
|
|
}
|
|
|
|
minrv_ima::phys_addr_t minrv_ima::v2p(const iss::addr_t& pc) {
|
|
return phys_addr_t(pc); //change logical address to physical address
|
|
}
|
|
|
|
using namespace ELFIO;
|
|
|
|
/*
|
|
void minrv_ima::loadFile(std::string name, int type) {
|
|
FILE* fp = fopen(name.c_str(), "r");
|
|
if(fp){
|
|
char buf[5];
|
|
auto n = fread(buf, 1,4,fp);
|
|
if(n!=4) throw std::runtime_error("input file has insufficient size");
|
|
buf[4]=0;
|
|
if(strcmp(buf+1, "ELF")==0){
|
|
fclose(fp);
|
|
//Create elfio reader
|
|
elfio reader;
|
|
// Load ELF data
|
|
if ( !reader.load( name ) ) throw std::runtime_error("could not process elf file");
|
|
// check elf properties
|
|
//TODO: fix ELFCLASS like:
|
|
// if ( reader.get_class() != ELFCLASS32 ) throw std::runtime_error("wrong elf class in file");
|
|
if ( reader.get_type() != ET_EXEC ) throw std::runtime_error("wrong elf type in file");
|
|
//TODO: fix machine type like:
|
|
// if ( reader.get_machine() != EM_RISCV ) throw std::runtime_error("wrong elf machine in file");
|
|
auto sec_num = reader.sections.size();
|
|
auto seg_num = reader.segments.size();
|
|
for ( int i = 0; i < seg_num; ++i ) {
|
|
const auto pseg = reader.segments[i];
|
|
const auto fsize=pseg->get_file_size(); // 0x42c/0x0
|
|
const auto seg_data=pseg->get_data();
|
|
if(fsize>0){
|
|
this->write(typed_addr_t<PHYSICAL>(iss::DEBUG_WRITE, traits<minrv_ima>::MEM, pseg->get_virtual_address()), fsize, reinterpret_cast<const uint8_t* const>(seg_data));
|
|
}
|
|
}
|
|
} else {
|
|
fseek(fp, 0, SEEK_SET);
|
|
if(type<0) throw std::runtime_error("a memory type needs to be specified for IHEX files");
|
|
IHexRecord irec;
|
|
while (Read_IHexRecord(&irec, fp) == IHEX_OK) {
|
|
this->write(typed_addr_t<PHYSICAL>(iss::DEBUG_WRITE, type, irec.address), irec.dataLen, irec.data);
|
|
}
|
|
}
|
|
} else {
|
|
LOG(ERROR)<<"Could not open input file "<<name;
|
|
throw std::runtime_error("Could not open input file");
|
|
}
|
|
}
|
|
*/
|