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#include "cli.h"
#include "cache.h"
#include "definitions.h"
#include "dram.h"
#include "response.h"
#include "accessor.h"
#include "utils.h"
#include <iostream>
Cli::Cli()
{
this->cache = nullptr;
this->cycle = 0;
this->initialize();
commands['l'] = [this](std::vector<std::string> args) {
Accessor a;
if (args.size() >= 2) {
try {
a = match_accessor_or_die(args[0]);
load(a, std::stoi(args[1]));
} catch (const std::invalid_argument &e) {
std::cerr << "Invalid input: " << e.what() << std::endl;
}
} else {
std::cout << "Usage: l <memory-address>\n";
}
return;
};
commands['s'] = [this](std::vector<std::string> args) {
Accessor a;
if (args.size() >= 3) {
try {
a = match_accessor_or_die(args[0]);
store(a, std::stoi(args[1]), std::stoi(args[2]));
} catch (const std::invalid_argument &e) {
std::cerr << "Invalid input: " << e.what() << std::endl;
}
} else {
std::cout << "Usage: s <memory-address> <data>\n";
}
return;
};
commands['r'] = [this](std::vector<std::string> args) {
(void)args;
reset();
return;
};
commands['p'] = [this](std::vector<std::string> args) {
if (args.size() >= 1) {
try {
peek(std::stoi(args[0]));
} catch (const std::invalid_argument &e) {
std::cerr << "Invalid input: " << e.what() << std::endl;
}
} else {
std::cout << "Usage: v <storage-level> <base> <lines>\n";
}
return;
};
commands['h'] = [this](std::vector<std::string> args) {
(void)args;
help();
return;
};
}
Cli::~Cli() { delete this->cache; }
void Cli::help()
{
std::cout
<< "Available commands:" << std::endl
<< " [l]oad <address> - Load data from memory at the specified "
"address"
<< std::endl
<< " [s]tore <accessor> <data> <address> - Stores data into memory at "
"specified address. Acessor must be one of: [f]etch, [m]em"
<< " [p]eek <storage-level> <base> <lines> - side door function that "
"peeks the current status of the entire memory subsystem"
<< std::endl
<< " [r]eset - side door function that resets the memory "
"configuration and "
"cycles"
<< std::endl
<< " [h]elp - prints this help text" << std::endl
<< " [q]uit - quits the program" << std::endl;
}
void Cli::load(Accessor accessor, int address)
{
address = wrap_address(address);
const auto default_flags = std::cout.flags();
const auto default_fill = std::cout.fill();
signed int data;
Response r = this->cache->read_word(accessor, address, data);
std::cout << r << " to " << accessor << " reading " << address << std::endl;
if (r == OK)
std::cout << " Got: " << std::hex << data << std::endl;
std::cout.flags(default_flags);
std::cout.fill(default_fill);
}
void Cli::store(Accessor accessor, int data, int address)
{
address = wrap_address(address);
Response r = this->cache->write_word(accessor, data, address);
std::cout << r << " to " << accessor << " storing " << data << " in "
<< address << std::endl;
}
void Cli::reset()
{
this->initialize();
std::cout << "Done." << std::endl;
}
void Cli::peek(int level)
{
Storage *curr = this->cache;
for (int i = 0; i < level; ++i) {
if (!curr) {
std::cerr << "Level " << level << " of storage does not exist."
<< std::endl;
return;
}
curr = curr->get_lower();
}
Cache *c = dynamic_cast<Cache *>(curr);
if (c) {
std::cout << *c << std::endl;
} else {
std::cout << *dynamic_cast<Dram *>(curr) << std::endl;
;
}
}
void Cli::run()
{
std::cout << "Memory Command Processor Started. Type 'h' for a list of "
"commands."
<< std::endl;
std::string input;
bool run = true;
while (run) {
std::cout << this->cycle << "> ";
std::getline(std::cin, input);
std::istringstream iss1(input);
std::vector<std::string> words;
std::string sentence;
std::string word;
while (std::getline(iss1, sentence, ';')) {
words.clear();
std::istringstream iss2(sentence);
while (iss2 >> word) {
words.push_back(word);
}
if (words.empty())
continue;
std::string command = words[0];
words.erase(words.begin());
if (command == "q") {
run = false;
break;
}
auto it = commands.find(tolower(command[0]));
if (it != commands.end()) {
it->second(words);
} else {
std::cout << "Unknown command: '" << command
<< "'. Type 'help' for available commands."
<< std::endl;
}
}
}
}
void Cli::initialize()
{
Logger *global_log = Logger::getInstance();
global_log->log(INFO, "Resetting memory configuration and cycle.");
if (this->cache != nullptr)
delete this->cache;
Dram *d = new Dram(MEM_DELAY);
this->cache = new Cache(d, L1_CACHE_DELAY);
this->cycle = 1;
}
Accessor Cli::match_accessor_or_die(std::string s)
{
if (tolower(s[0]) == 'f')
return FETCH;
else if (tolower(s[0]) == 'm')
return MEM;
else
throw std::invalid_argument(s);
}
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