DBT-RISE/DBT-RISE-TGC
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This commit is contained in:
Eyck-Alexander Jentzsch
2023-10-22 15:13:25 +02:00
parent 60c926c921 4c3a7386b0
commit ffe730219d
32 changed files with 525 additions and 552 deletions
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4
src/iss/arch/hwl.h
View File

@ -46,7 +46,7 @@ public:
using this_class = hwl<BASE>;
using reg_t = typename BASE::reg_t;
hwl();
hwl(feature_config cfg = feature_config{});
virtual ~hwl() = default;
protected:
@ -56,7 +56,7 @@ protected:
template<typename BASE>
inline hwl<BASE>::hwl() {
inline hwl<BASE>::hwl(feature_config cfg): BASE(cfg) {
for (unsigned addr = 0x800; addr < 0x803; ++addr){
this->register_custom_csr_rd(addr);
this->register_custom_csr_wr(addr);

2
src/iss/arch/riscv_hart_common.h
View File

@ -226,6 +226,8 @@ struct feature_config {
unsigned clic_num_trigger{0};
uint64_t tcm_base{0x10000000};
uint64_t tcm_size{0x8000};
uint64_t io_address{0xf0000000};
uint64_t io_addr_mask{0xf0000000};
};
class trap_load_access_fault : public trap_access {

4
src/iss/arch/riscv_hart_m_p.h
View File

@ -682,7 +682,7 @@ iss::status riscv_hart_m_p<BASE, FEAT>::read(const address_type type, const acce
} else {
res = hart_mem_rd_delegate( phys_addr, length, data);
}
if (unlikely(res != iss::Ok)){
if (unlikely(res != iss::Ok && (access & access_type::DEBUG) == 0)){
this->reg.trap_state = (1UL << 31) | (5 << 16); // issue trap 5 (load access fault
fault_data=addr;
}
@ -775,7 +775,7 @@ iss::status riscv_hart_m_p<BASE, FEAT>::write(const address_type type, const acc
} else {
res = write_mem( phys_addr, length, data);
}
if (unlikely(res != iss::Ok)) {
if (unlikely(res != iss::Ok && (access & access_type::DEBUG) == 0)) {
this->reg.trap_state = (1UL << 31) | (7 << 16); // issue trap 7 (Store/AMO access fault)
fault_data=addr;
}

6
src/iss/arch/riscv_hart_msu_vp.h
View File

@ -286,7 +286,7 @@ public:
return m[mode];
}
riscv_hart_msu_vp();
riscv_hart_msu_vp(feature_config cfg = feature_config{});
virtual ~riscv_hart_msu_vp() = default;
void reset(uint64_t address) override;
@ -636,7 +636,7 @@ iss::status riscv_hart_msu_vp<BASE>::read(const address_type type, const access_
}
}
auto res = read_mem( BASE::v2p(iss::addr_t{access, type, space, addr}), length, data);
if (unlikely(res != iss::Ok)){
if (unlikely(res != iss::Ok && (access & access_type::DEBUG) == 0)){
this->reg.trap_state = (1 << 31) | (5 << 16); // issue trap 5 (load access fault
fault_data=addr;
}
@ -734,7 +734,7 @@ iss::status riscv_hart_msu_vp<BASE>::write(const address_type type, const access
}
}
auto res = write_mem(paddr, length, data);
if (unlikely(res != iss::Ok)) {
if (unlikely(res != iss::Ok && (access & access_type::DEBUG) == 0)) {
this->reg.trap_state = (1UL << 31) | (7UL << 16); // issue trap 7 (Store/AMO access fault)
fault_data=addr;
}

4
src/iss/arch/riscv_hart_mu_p.h
View File

@ -850,7 +850,7 @@ iss::status riscv_hart_mu_p<BASE, FEAT>::read(const address_type type, const acc
} else {
res = hart_mem_rd_delegate( phys_addr, length, data);
}
if (unlikely(res != iss::Ok)){
if (unlikely(res != iss::Ok && (access & access_type::DEBUG) == 0)){
this->reg.trap_state = (1UL << 31) | (5 << 16); // issue trap 5 (load access fault
fault_data=addr;
}
@ -951,7 +951,7 @@ iss::status riscv_hart_mu_p<BASE, FEAT>::write(const address_type type, const ac
} else {
res = hart_mem_wr_delegate( phys_addr, length, data);
}
if (unlikely(res != iss::Ok)) {
if (unlikely(res != iss::Ok && (access & access_type::DEBUG) == 0)) {
this->reg.trap_state = (1UL << 31) | (7UL << 16); // issue trap 7 (Store/AMO access fault)
fault_data=addr;
}

8
src/iss/arch/wt_cache.h
View File

@ -81,7 +81,7 @@ public:
using mem_write_f = typename BASE::mem_write_f;
using phys_addr_t = typename BASE::phys_addr_t;
wt_cache();
wt_cache(feature_config cfg = feature_config{});
virtual ~wt_cache() = default;
unsigned size{4096};
@ -103,7 +103,11 @@ protected:
template<typename BASE>
inline wt_cache<BASE>::wt_cache() {
inline wt_cache<BASE>::wt_cache(feature_config cfg)
:BASE(cfg)
, io_address{cfg.io_address}
, io_addr_mask{cfg.io_addr_mask}
{
auto cb = base_class::replace_mem_access(
[this](phys_addr_t a, unsigned l, uint8_t* const d) -> iss::status { return read_cache(a, l,d);},
[this](phys_addr_t a, unsigned l, uint8_t const* const d) -> iss::status { return write_cache(a, l,d);});

70
src/iss/plugin/cycle_estimate.cpp
View File

@ -1,3 +1,4 @@
/*******************************************************************************
* Copyright (C) 2017 - 2023, MINRES Technologies GmbH
* All rights reserved.
@ -33,18 +34,12 @@
******************************************************************************/
#include "cycle_estimate.h"
#include <yaml-cpp/yaml.h>
#include <iss/arch_if.h>
#include <util/logging.h>
#include <rapidjson/document.h>
#include <rapidjson/istreamwrapper.h>
#include <rapidjson/writer.h>
#include <rapidjson/stringbuffer.h>
#include <rapidjson/ostreamwrapper.h>
#include <rapidjson/error/en.h>
#include <fstream>
using namespace rapidjson;
using namespace std;
iss::plugin::cycle_estimate::cycle_estimate(string const& config_file_name)
@ -61,40 +56,31 @@ bool iss::plugin::cycle_estimate::registration(const char* const version, vm_if&
if(!instr_if) return false;
const string core_name = instr_if->core_type_name();
if (config_file_name.length() > 0) {
ifstream is(config_file_name);
std::ifstream is(config_file_name);
if (is.is_open()) {
try {
IStreamWrapper isw(is);
Document d;
ParseResult ok = d.ParseStream(isw);
if(ok) {
Value& val = d[core_name.c_str()];
if(val.IsArray()){
delays.reserve(val.Size());
for (auto it = val.Begin(); it != val.End(); ++it) {
auto& name = (*it)["name"];
auto& size = (*it)["size"];
auto& delay = (*it)["delay"];
auto& branch = (*it)["branch"];
if(delay.IsArray()) {
auto dt = delay[0].Get<unsigned>();
auto dnt = delay[1].Get<unsigned>();
delays.push_back(instr_desc{size.Get<unsigned>(), dt, dnt, branch.Get<bool>()});
} else if(delay.Is<unsigned>()) {
auto d = delay.Get<unsigned>();
delays.push_back(instr_desc{size.Get<unsigned>(), d, d, branch.Get<bool>()});
} else
throw runtime_error("JSON parse error");
}
} else {
LOG(ERR)<<"plugin cycle_estimate: could not find an entry for "<<core_name<<" in JSON file"<<endl;
return false;
}
} else {
LOG(ERR)<<"plugin cycle_estimate: could not parse in JSON file at "<< ok.Offset()<<": "<<GetParseError_En(ok.Code())<<endl;
return false;
}
} catch (runtime_error &e) {
auto root = YAML::LoadAll(is);
if(root.size()!=1) {
LOG(ERR) << "Too many root nodes in YAML file " << config_file_name;
}
for (auto p : root[0]) {
auto isa_subset = p.first;
auto instructions = p.second;
for (auto const& instr : instructions) {
instr_desc res;
res.is_branch = instr.second["branch"].as<bool>();
auto delay = instr.second["delay"];
if(delay.IsSequence()) {
res.not_taken = delay[0].as<uint64_t>();
res.taken = delay[1].as<uint64_t>();
} else {
res.not_taken = delay.as<uint64_t>();
res.taken = res.not_taken;
}
delays.push_back(std::move(res));
}
}
} catch (YAML::ParserException &e) {
LOG(ERR) << "Could not parse input file " << config_file_name << ", reason: " << e.what();
return false;
}
@ -112,7 +98,7 @@ void iss::plugin::cycle_estimate::callback(instr_info_t instr_info) {
auto entry = delays[instr_info.instr_id];
bool taken = instr_if->is_branch_taken();
if (taken && (entry.taken > 1))
instr_if->update_last_instr_cycles(entry.taken);
else if (entry.not_taken > 1)
instr_if->update_last_instr_cycles(entry.not_taken);
instr_if->update_last_instr_cycles(entry.taken);
else if (entry.not_taken > 1)
instr_if->update_last_instr_cycles(entry.not_taken);
}

50
src/iss/plugin/instruction_count.cpp
View File

@ -34,6 +34,7 @@
#include "instruction_count.h"
#include <iss/instrumentation_if.h>
#include <yaml-cpp/yaml.h>
#include <iss/arch_if.h>
#include <util/logging.h>
@ -44,8 +45,30 @@ iss::plugin::instruction_count::instruction_count(std::string config_file_name)
std::ifstream is(config_file_name);
if (is.is_open()) {
try {
is >> root;
} catch (Json::RuntimeError &e) {
auto root = YAML::LoadAll(is);
if(root.size()!=1) {
LOG(ERR) << "Too many rro nodes in YAML file " << config_file_name;
}
for (auto p : root[0]) {
auto isa_subset = p.first;
auto instructions = p.second;
for (auto const& instr : instructions) {
instr_delay res;
res.instr_name = instr.first.as<std::string>();
res.size = instr.second["encoding"].as<std::string>().size()-2; // not counting 0b
auto delay = instr.second["delay"];
if(delay.IsSequence()) {
res.not_taken_delay = delay[0].as<uint64_t>();
res.taken_delay = delay[1].as<uint64_t>();
} else {
res.not_taken_delay = delay.as<uint64_t>();
res.taken_delay = res.not_taken_delay;
}
delays.push_back(std::move(res));
}
}
rep_counts.resize(delays.size());
} catch (YAML::ParserException &e) {
LOG(ERR) << "Could not parse input file " << config_file_name << ", reason: " << e.what();
}
} else {
@ -57,7 +80,7 @@ iss::plugin::instruction_count::instruction_count(std::string config_file_name)
iss::plugin::instruction_count::~instruction_count() {
size_t idx=0;
for(auto it:delays){
if(rep_counts[idx]>0)
if(rep_counts[idx]>0 && it.instr_name.find("__"!=0))
LOG(INFO)<<it.instr_name<<";"<<rep_counts[idx];
idx++;
}
@ -66,27 +89,6 @@ iss::plugin::instruction_count::~instruction_count() {
bool iss::plugin::instruction_count::registration(const char* const version, vm_if& vm) {
auto instr_if = vm.get_arch()->get_instrumentation_if();
if(!instr_if) return false;
const std::string core_name = instr_if->core_type_name();
Json::Value &val = root[core_name];
if(!val.isNull() && val.isArray()){
delays.reserve(val.size());
for(auto it:val){
auto name = it["name"];
auto size = it["size"];
auto delay = it["delay"];
if(!name.isString() || !size.isUInt() || !(delay.isUInt() || delay.isArray())) throw std::runtime_error("JSON parse error");
if(delay.isUInt()){
const instr_delay entry{name.asCString(), size.asUInt(), delay.asUInt(), 0};
delays.push_back(entry);
} else {
const instr_delay entry{name.asCString(), size.asUInt(), delay[0].asUInt(), delay[1].asUInt()};
delays.push_back(entry);
}
}
rep_counts.resize(delays.size());
} else {
LOG(ERR)<<"plugin instruction_count: could not find an entry for "<<core_name<<" in JSON file"<<std::endl;
}
return true;
}

3
src/iss/plugin/instruction_count.h
View File

@ -36,8 +36,8 @@
#define _ISS_PLUGIN_INSTRUCTION_COUNTER_H_
#include <iss/vm_plugin.h>
#include <json/json.h>
#include <string>
#include <vector>
namespace iss {
namespace plugin {
@ -72,7 +72,6 @@ public:
void callback(instr_info_t) override;
private:
Json::Value root;
std::vector<instr_delay> delays;
std::vector<uint64_t> rep_counts;
};

439
src/main.cpp
View File

@ -1,217 +1,222 @@
/*******************************************************************************
* Copyright (C) 2017, 2018 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.
*
*******************************************************************************/
#include <iostream>
#include <vector>
#include <array>
#include <iss/factory.h>
#include <boost/lexical_cast.hpp>
#include <boost/program_options.hpp>
#include "iss/arch/tgc_mapper.h"
#ifdef WITH_LLVM
#include <iss/llvm/jit_init.h>
#endif
#include <iss/log_categories.h>
#include "iss/plugin/cycle_estimate.h"
#include "iss/plugin/instruction_count.h"
#ifndef WIN32
#include <iss/plugin/loader.h>
#endif
#if defined(HAS_LUA)
#include <iss/plugin/lua.h>
#endif
namespace po = boost::program_options;
int main(int argc, char *argv[]) {
/*
* Define and parse the program options
*/
po::variables_map clim;
po::options_description desc("Options");
// clang-format off
desc.add_options()
("help,h", "Print help message")
("verbose,v", po::value<int>()->default_value(4), "Sets logging verbosity")
("logfile,l", po::value<std::string>(), "Sets default log file.")
("disass,d", po::value<std::string>()->implicit_value(""), "Enables disassembly")
("gdb-port,g", po::value<unsigned>()->default_value(0), "enable gdb server and specify port to use")
("instructions,i", po::value<uint64_t>()->default_value(std::numeric_limits<uint64_t>::max()), "max. number of instructions to simulate")
("reset,r", po::value<std::string>(), "reset address")
("dump-ir", "dump the intermediate representation")
("elf,f", po::value<std::vector<std::string>>(), "ELF file(s) to load")
("mem,m", po::value<std::string>(), "the memory input file")
("plugin,p", po::value<std::vector<std::string>>(), "plugin to activate")
("backend", po::value<std::string>()->default_value("interp"), "the ISS backend to use, options are: interp, tcc")
("isa", po::value<std::string>()->default_value("tgc5c"), "isa to use for simulation");
// clang-format on
auto parsed = po::command_line_parser(argc, argv).options(desc).allow_unregistered().run();
try {
po::store(parsed, clim); // can throw
// --help option
if (clim.count("help")) {
std::cout << "DBT-RISE-RiscV simulator for RISC-V" << std::endl << desc << std::endl;
return 0;
}
po::notify(clim); // throws on error, so do after help in case
} catch (po::error &e) {
// there are problems
std::cerr << "ERROR: " << e.what() << std::endl << std::endl;
std::cerr << desc << std::endl;
return 1;
}
std::vector<std::string> args = collect_unrecognized(parsed.options, po::include_positional);
LOGGER(DEFAULT)::print_time() = false;
LOGGER(connection)::print_time() = false;
auto l = logging::as_log_level(clim["verbose"].as<int>());
LOGGER(DEFAULT)::reporting_level() = l;
LOGGER(connection)::reporting_level() = l;
if (clim.count("logfile")) {
// configure the connection logger
auto f = fopen(clim["logfile"].as<std::string>().c_str(), "w");
LOG_OUTPUT(DEFAULT)::stream() = f;
LOG_OUTPUT(connection)::stream() = f;
}
std::vector<iss::vm_plugin *> plugin_list;
auto res = 0;
try {
#ifdef WITH_LLVM
// application code comes here //
iss::init_jit_debug(argc, argv);
#endif
bool dump = clim.count("dump-ir");
auto & f = iss::core_factory::instance();
// instantiate the simulator
iss::vm_ptr vm{nullptr};
iss::cpu_ptr cpu{nullptr};
std::string isa_opt(clim["isa"].as<std::string>());
if(isa_opt.size()==0 || isa_opt == "?") {
std::cout<<"Available cores: "<<util::join(f.get_names(), ", ")<<std::endl;
return 0;
} else if (isa_opt.find('|') != std::string::npos) {
std::tie(cpu, vm) = f.create(isa_opt+"|"+clim["backend"].as<std::string>(), clim["gdb-port"].as<unsigned>());
} else {
auto base_isa = isa_opt.substr(0, 5);
if(base_isa=="tgc_d" || base_isa=="tgc_e") {
isa_opt += "|mu_p_clic_pmp|"+clim["backend"].as<std::string>();
} else {
isa_opt += "|m_p|"+clim["backend"].as<std::string>();
}
std::tie(cpu, vm) = f.create(isa_opt, clim["gdb-port"].as<unsigned>());
}
if(!cpu ){
LOG(ERR) << "Could not create cpu for isa " << isa_opt << " and backend " <<clim["backend"].as<std::string>()<< std::endl;
return 127;
}
if(!vm ){
LOG(ERR) << "Could not create vm for isa " << isa_opt << " and backend " <<clim["backend"].as<std::string>()<< std::endl;
return 127;
}
if (clim.count("plugin")) {
for (std::string const& opt_val : clim["plugin"].as<std::vector<std::string>>()) {
std::string plugin_name=opt_val;
std::string arg{""};
std::size_t found = opt_val.find('=');
if (found != std::string::npos) {
plugin_name = opt_val.substr(0, found);
arg = opt_val.substr(found + 1, opt_val.size());
}
if (plugin_name == "ic") {
auto *ic_plugin = new iss::plugin::instruction_count(arg);
vm->register_plugin(*ic_plugin);
plugin_list.push_back(ic_plugin);
} else if (plugin_name == "ce") {
auto *ce_plugin = new iss::plugin::cycle_estimate(arg);
vm->register_plugin(*ce_plugin);
plugin_list.push_back(ce_plugin);
}else {
#ifndef WIN32
std::vector<char const*> a{};
if(arg.length())
a.push_back({arg.c_str()});
iss::plugin::loader l(plugin_name, {{"initPlugin"}});
auto* plugin = l.call_function<iss::vm_plugin*>("initPlugin", a.size(), a.data());
if(plugin){
vm->register_plugin(*plugin);
plugin_list.push_back(plugin);
} else
#endif
{
LOG(ERR) << "Unknown plugin name: " << plugin_name << ", valid names are 'ce', 'ic'" << std::endl;
return 127;
}
}
}
}
if (clim.count("disass")) {
vm->setDisassEnabled(true);
LOGGER(disass)::reporting_level() = logging::INFO;
LOGGER(disass)::print_time() = false;
auto file_name = clim["disass"].as<std::string>();
if (file_name.length() > 0) {
LOG_OUTPUT(disass)::stream() = fopen(file_name.c_str(), "w");
LOGGER(disass)::print_severity() = false;
}
}
uint64_t start_address = 0;
if (clim.count("mem"))
vm->get_arch()->load_file(clim["mem"].as<std::string>());
if (clim.count("elf"))
for (std::string input : clim["elf"].as<std::vector<std::string>>()) {
auto start_addr = vm->get_arch()->load_file(input);
if (start_addr.second) start_address = start_addr.first;
}
for (std::string input : args) {
auto start_addr = vm->get_arch()->load_file(input); // treat remaining arguments as elf files
if (start_addr.second) start_address = start_addr.first;
}
if (clim.count("reset")) {
auto str = clim["reset"].as<std::string>();
start_address = str.find("0x") == 0 ? std::stoull(str.substr(2), nullptr, 16) : std::stoull(str, nullptr, 10);
}
vm->reset(start_address);
auto cycles = clim["instructions"].as<uint64_t>();
res = vm->start(cycles, dump);
} catch (std::exception &e) {
LOG(ERR) << "Unhandled Exception reached the top of main: " << e.what() << ", application will now exit"
<< std::endl;
res = 2;
}
// cleanup to let plugins report of needed
for (auto *p : plugin_list) {
delete p;
}
return res;
}
/*******************************************************************************
* Copyright (C) 2017, 2018 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.
*
*******************************************************************************/
#include <iostream>
#include <vector>
#include <array>
#include <iss/factory.h>
#include <boost/lexical_cast.hpp>
#include <boost/program_options.hpp>
#include "iss/arch/tgc_mapper.h"
#ifdef WITH_LLVM
#include <iss/llvm/jit_init.h>
#endif
#include <iss/log_categories.h>
#include "iss/plugin/cycle_estimate.h"
#include "iss/plugin/instruction_count.h"
#ifndef WIN32
#include <iss/plugin/loader.h>
#endif
#if defined(HAS_LUA)
#include <iss/plugin/lua.h>
#endif
namespace po = boost::program_options;
int main(int argc, char *argv[]) {
/*
* Define and parse the program options
*/
po::variables_map clim;
po::options_description desc("Options");
// clang-format off
desc.add_options()
("help,h", "Print help message")
("verbose,v", po::value<int>()->default_value(4), "Sets logging verbosity")
("logfile,l", po::value<std::string>(), "Sets default log file.")
("disass,d", po::value<std::string>()->implicit_value(""), "Enables disassembly")
("gdb-port,g", po::value<unsigned>()->default_value(0), "enable gdb server and specify port to use")
("instructions,i", po::value<uint64_t>()->default_value(std::numeric_limits<uint64_t>::max()), "max. number of instructions to simulate")
("reset,r", po::value<std::string>(), "reset address")
("dump-ir", "dump the intermediate representation")
("elf,f", po::value<std::vector<std::string>>(), "ELF file(s) to load")
("mem,m", po::value<std::string>(), "the memory input file")
("plugin,p", po::value<std::vector<std::string>>(), "plugin to activate")
("backend", po::value<std::string>()->default_value("interp"), "the ISS backend to use, options are: interp, tcc")
("isa", po::value<std::string>()->default_value("tgc5c"), "core or isa name to use for simulation, use '?' to get list");
// clang-format on
auto parsed = po::command_line_parser(argc, argv).options(desc).allow_unregistered().run();
try {
po::store(parsed, clim); // can throw
// --help option
if (clim.count("help")) {
std::cout << "DBT-RISE-TGC simulator for TGC RISC-V cores" << std::endl << desc << std::endl;
return 0;
}
po::notify(clim); // throws on error, so do after help in case
} catch (po::error &e) {
// there are problems
std::cerr << "ERROR: " << e.what() << std::endl << std::endl;
std::cerr << desc << std::endl;
return 1;
}
std::vector<std::string> args = collect_unrecognized(parsed.options, po::include_positional);
LOGGER(DEFAULT)::print_time() = false;
LOGGER(connection)::print_time() = false;
auto l = logging::as_log_level(clim["verbose"].as<int>());
LOGGER(DEFAULT)::reporting_level() = l;
LOGGER(connection)::reporting_level() = l;
if (clim.count("logfile")) {
// configure the connection logger
auto f = fopen(clim["logfile"].as<std::string>().c_str(), "w");
LOG_OUTPUT(DEFAULT)::stream() = f;
LOG_OUTPUT(connection)::stream() = f;
}
std::vector<iss::vm_plugin *> plugin_list;
auto res = 0;
try {
#ifdef WITH_LLVM
// application code comes here //
iss::init_jit_debug(argc, argv);
#endif
bool dump = clim.count("dump-ir");
auto & f = iss::core_factory::instance();
// instantiate the simulator
iss::vm_ptr vm{nullptr};
iss::cpu_ptr cpu{nullptr};
std::string isa_opt(clim["isa"].as<std::string>());
if(isa_opt.size()==0 || isa_opt == "?") {
auto list = f.get_names();
std::sort(std::begin(list), std::end(list));
std::cout<<"Available implementations (core|platform|backend):\n - "<<util::join(list, "\n - ")<<std::endl;
return 0;
} else if (isa_opt.find('|') != std::string::npos) {
std::tie(cpu, vm) = f.create(isa_opt+"|"+clim["backend"].as<std::string>(), clim["gdb-port"].as<unsigned>());
} else {
auto base_isa = isa_opt.substr(0, 5);
if(base_isa=="tgc5d" || base_isa=="tgc5e") {
isa_opt += "|mu_p_clic_pmp|"+clim["backend"].as<std::string>();
} else {
isa_opt += "|m_p|"+clim["backend"].as<std::string>();
}
std::tie(cpu, vm) = f.create(isa_opt, clim["gdb-port"].as<unsigned>());
}
if(!cpu ){
LOG(ERR) << "Could not create cpu for isa " << isa_opt << " and backend " <<clim["backend"].as<std::string>()<< std::endl;
return 127;
}
if(!vm ){
LOG(ERR) << "Could not create vm for isa " << isa_opt << " and backend " <<clim["backend"].as<std::string>()<< std::endl;
return 127;
}
if (clim.count("plugin")) {
for (std::string const& opt_val : clim["plugin"].as<std::vector<std::string>>()) {
std::string plugin_name=opt_val;
std::string arg{""};
std::size_t found = opt_val.find('=');
if (found != std::string::npos) {
plugin_name = opt_val.substr(0, found);
arg = opt_val.substr(found + 1, opt_val.size());
}
#if defined(WITH_PLUGINS)
if (plugin_name == "ic") {
auto *ic_plugin = new iss::plugin::instruction_count(arg);
vm->register_plugin(*ic_plugin);
plugin_list.push_back(ic_plugin);
} else if (plugin_name == "ce") {
auto *ce_plugin = new iss::plugin::cycle_estimate(arg);
vm->register_plugin(*ce_plugin);
plugin_list.push_back(ce_plugin);
} else
#endif
{
#if !defined(WIN32)
std::vector<char const*> a{};
if(arg.length())
a.push_back({arg.c_str()});
iss::plugin::loader l(plugin_name, {{"initPlugin"}});
auto* plugin = l.call_function<iss::vm_plugin*>("initPlugin", a.size(), a.data());
if(plugin){
vm->register_plugin(*plugin);
plugin_list.push_back(plugin);
} else
#endif
{
LOG(ERR) << "Unknown plugin name: " << plugin_name << ", valid names are 'ce', 'ic'" << std::endl;
return 127;
}
}
}
}
if (clim.count("disass")) {
vm->setDisassEnabled(true);
LOGGER(disass)::reporting_level() = logging::INFO;
LOGGER(disass)::print_time() = false;
auto file_name = clim["disass"].as<std::string>();
if (file_name.length() > 0) {
LOG_OUTPUT(disass)::stream() = fopen(file_name.c_str(), "w");
LOGGER(disass)::print_severity() = false;
}
}
uint64_t start_address = 0;
if (clim.count("mem"))
vm->get_arch()->load_file(clim["mem"].as<std::string>());
if (clim.count("elf"))
for (std::string input : clim["elf"].as<std::vector<std::string>>()) {
auto start_addr = vm->get_arch()->load_file(input);
if (start_addr.second) start_address = start_addr.first;
}
for (std::string input : args) {
auto start_addr = vm->get_arch()->load_file(input); // treat remaining arguments as elf files
if (start_addr.second) start_address = start_addr.first;
}
if (clim.count("reset")) {
auto str = clim["reset"].as<std::string>();
start_address = str.find("0x") == 0 ? std::stoull(str.substr(2), nullptr, 16) : std::stoull(str, nullptr, 10);
}
vm->reset(start_address);
auto cycles = clim["instructions"].as<uint64_t>();
res = vm->start(cycles, dump);
} catch (std::exception &e) {
LOG(ERR) << "Unhandled Exception reached the top of main: " << e.what() << ", application will now exit"
<< std::endl;
res = 2;
}
// cleanup to let plugins report of needed
for (auto *p : plugin_list) {
delete p;
}
return res;
}

5
src/sysc/core_complex.cpp
View File

@ -50,7 +50,6 @@
#include <array>
#include <iss/plugin/cycle_estimate.h>
#include <iss/plugin/instruction_count.h>
#include <iss/plugin/pctrace.h>
// clang-format on
@ -283,10 +282,6 @@ void core_complex::before_end_of_elaboration() {
auto *plugin = new iss::plugin::cycle_estimate(filename);
cpu->vm->register_plugin(*plugin);
plugin_list.push_back(plugin);
} else if (plugin_name == "pctrace") {
auto *plugin = new iss::plugin::pctrace(filename);
cpu->vm->register_plugin(*plugin);
plugin_list.push_back(plugin);
} else {
#ifndef WIN32
std::array<char const*, 1> a{{filename.c_str()}};

9
src/vm/interp/vm_tgc5c.cpp
View File

@ -36,10 +36,11 @@
#include <iss/iss.h>
#include <iss/interp/vm_base.h>
#include <util/logging.h>
#include <sstream>
#include <boost/coroutine2/all.hpp>
#include <functional>
#include <exception>
#include <vector>
#include <sstream>
#ifndef FMT_HEADER_ONLY
#define FMT_HEADER_ONLY
@ -2522,8 +2523,7 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
// execute instruction
{
if(rs1 && rs1 < traits::RFS) {
uint32_t addr_mask = (uint32_t)- 2;
*NEXT_PC = *(X+rs1 % traits::RFS) & addr_mask;
*NEXT_PC = *(X+rs1 % traits::RFS) & ~ 0x1;
this->core.reg.last_branch = 1;
}
else {
@ -2589,10 +2589,9 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
raise(0, 2);
}
else {
uint32_t addr_mask = (uint32_t)- 2;
uint32_t new_pc = *(X+rs1);
*(X+1) = (uint32_t)(*PC + 2);
*NEXT_PC = new_pc & addr_mask;
*NEXT_PC = new_pc & ~ 0x1;
this->core.reg.last_branch = 1;
}
}

4
src/vm/llvm/vm_tgc5c.cpp
View File

@ -4549,13 +4549,13 @@ volatile std::array<bool, 2> dummy = {
auto* vm = new llvm::tgc5c::vm_impl<arch::tgc5c>(*cpu, false);
if (port != 0) debugger::server<debugger::gdb_session>::run_server(vm, port);
return {cpu_ptr{cpu}, vm_ptr{vm}};
}),
})/*,
core_factory::instance().register_creator("tgc5c|mu_p|llvm", [](unsigned port, void*) -> std::tuple<cpu_ptr, vm_ptr>{
auto* cpu = new iss::arch::riscv_hart_mu_p<iss::arch::tgc5c>();
auto* vm = new llvm::tgc5c::vm_impl<arch::tgc5c>(*cpu, false);
if (port != 0) debugger::server<debugger::gdb_session>::run_server(vm, port);
return {cpu_ptr{cpu}, vm_ptr{vm}};
})
})*/
};
}
}

19
src/vm/tcc/vm_tgc5c.cpp
View File

@ -3303,12 +3303,12 @@ private:
pc=pc+ 2;
gen_set_pc(tu, pc, traits::NEXT_PC);
tu.open_scope();
if(rs1&&rs1<static_cast<uint32_t>(traits:: RFS)){ auto addr_mask = tu.assignment(tu.constant((uint32_t)- 2,32),32);
auto PC_val_v = tu.assignment("PC_val", tu.bitwise_and(
tu.load(rs1%static_cast<uint32_t>(traits:: RFS)+ traits::X0, 0),
addr_mask),32);
tu.store(traits::NEXT_PC, PC_val_v);
tu.store(traits::LAST_BRANCH, tu.constant(2U, 2));
if(rs1&&rs1<static_cast<uint32_t>(traits:: RFS)) {
auto PC_val_v = tu.assignment("PC_val", tu.bitwise_and(
tu.load(rs1%static_cast<uint32_t>(traits:: RFS)+ traits::X0, 0),
tu.constant(~ 0x1,8)),32);
tu.store(traits::NEXT_PC, PC_val_v);
tu.store(traits::LAST_BRANCH, tu.constant(2U, 2));
}
else{
this->gen_raise_trap(tu, 0, 2);
@ -3401,13 +3401,12 @@ private:
this->gen_raise_trap(tu, 0, 2);
}
else{
auto addr_mask = tu.assignment(tu.constant((uint32_t)- 2,32),32);
auto new_pc = tu.assignment(tu.load(rs1+ traits::X0, 0),32);
tu.store(1 + traits::X0,
tu.constant((uint32_t)(PC+ 2),32));
auto PC_val_v = tu.assignment("PC_val", tu.bitwise_and(
new_pc,
addr_mask),32);
tu.constant(~ 0x1,8)),32);
tu.store(traits::NEXT_PC, PC_val_v);
tu.store(traits::LAST_BRANCH, tu.constant(2U, 2));
}
@ -3433,7 +3432,7 @@ private:
gen_set_pc(tu, pc, traits::NEXT_PC);
tu.open_scope();
this->gen_raise_trap(tu, 0, 3);
auto returnValue = std::make_tuple(TRAP);
auto returnValue = std::make_tuple(CONT);
tu.close_scope();
gen_trap_check(tu);
@ -3490,7 +3489,7 @@ private:
gen_set_pc(tu, pc, traits::NEXT_PC);
tu.open_scope();
this->gen_raise_trap(tu, 0, 2);
auto returnValue = std::make_tuple(TRAP);
auto returnValue = std::make_tuple(CONT);
tu.close_scope();
gen_trap_check(tu);