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authorbd <bdunahu@operationnull.com>2025-04-11 23:09:49 -0400
committerbd <bdunahu@operationnull.com>2025-04-11 23:09:49 -0400
commitdf580c5352528a4837b996a838f486d3838050a4 (patch)
tree72671b34d6baf1ea2ec4cd02f73fe51338ce0b6d /src/storage/dram.cc
parent3eeb345d673bee6d62b04fc8a8a95ab822dc1e45 (diff)
Move storage to a separate git repository.
Diffstat (limited to 'src/storage/dram.cc')
-rw-r--r--src/storage/dram.cc130
1 files changed, 0 insertions, 130 deletions
diff --git a/src/storage/dram.cc b/src/storage/dram.cc
deleted file mode 100644
index f90f8db..0000000
--- a/src/storage/dram.cc
+++ /dev/null
@@ -1,130 +0,0 @@
-#include "dram.h"
-#include "definitions.h"
-#include "response.h"
-#include <algorithm>
-#include <bits/stdc++.h>
-#include <bitset>
-#include <iostream>
-#include <iterator>
-#include <utils.h>
-
-Dram::Dram(int delay)
-{
- this->data = new std::vector<std::array<signed int, LINE_SIZE>>;
- this->data->resize(MEM_LINES);
- this->delay = delay;
- this->is_waiting = false;
- this->lower = nullptr;
- this->requester = IDLE;
- this->wait_time = this->delay;
-}
-
-Dram::~Dram() { delete this->data; }
-
-Response Dram::write_line(
- Accessor accessor, std::array<signed int, LINE_SIZE> data_line, int address)
-{
- return process(accessor, address, [&](int line, int word) {
- (void)word;
- this->data->at(line) = data_line;
- });
-}
-
-Response Dram::write_word(Accessor accessor, signed int data, int address)
-{
- return process(accessor, address, [&](int line, int word) {
- this->data->at(line).at(word) = data;
- });
-}
-
-// TODO requires testing
-Response Dram::read_line(
- Accessor accessor,
- int address,
- std::array<signed int, LINE_SIZE> &data_line)
-{
- return process(accessor, address, [&](int line, int word) {
- (void)word;
- data_line = this->data->at(line);
- });
-}
-
-Response Dram::read_word(Accessor accessor, int address, signed int &data)
-{
- return process(accessor, address, [&](int line, int word) {
- data = this->data->at(line).at(word);
- });
-}
-
-// TODO load a file instead and test this method
-void Dram::load(std::vector<signed int> program) {
- unsigned long i;
- for (i = 0; i < program.size(); ++i) {
- int line, word;
- get_memory_index(i, line, word);
- this->data->at(line).at(word) = program[i];
- }
-}
-
-Response Dram::process(
- Accessor accessor,
- int address,
- std::function<void(int line, int word)> request_handler)
-{
- Response r = this->is_access_cleared(accessor);
- if (r == OK) {
- int line, word;
- get_memory_index(address, line, word);
- request_handler(line, word);
- }
- return r;
-}
-
-Response Dram::is_access_cleared(Accessor accessor)
-{
- Response r;
- r = WAIT;
- /* Do this first--then process the first cycle immediately. */
- if (accessor == SIDE)
- r = OK;
- else {
- if (this->requester == IDLE)
- this->requester = accessor;
- if (this->requester == accessor) {
- if (this->wait_time == 0) {
- this->requester = IDLE;
- this->wait_time = delay;
- r = OK;
- } else {
- --this->wait_time;
- }
- }
- }
- return r;
-}
-
-std::ostream &operator<<(std::ostream &os, const Dram &d)
-{
- const auto default_flags = std::cout.flags();
- const auto default_fill = std::cout.fill();
-
- std::vector<std::array<signed int, LINE_SIZE>> data = d.view(0, MEM_LINES);
-
- os << " " << std::setfill(' ') << std::setw(MEM_LINE_SPEC + 2 + LINE_SPEC)
- << "ADDRESS"
- << " | " << std::setfill(' ') << std::setw((8 + 3) * 4 - 1) << "DATA"
- << std::endl;
- for (int i = 0; i < MEM_LINES; ++i) {
- os << " 0b" << std::setw(MEM_LINE_SPEC + LINE_SPEC) << left
- << std::bitset<MEM_LINE_SPEC>(i) << " | ";
- for (int j = 0; j < LINE_SIZE; ++j) {
- os << "0x" << std::setfill('0') << std::setw(8) << std::hex
- << data.at(i).at(j) << ' ';
- }
- os << std::endl;
- }
-
- std::cout.flags(default_flags);
- std::cout.fill(default_fill);
- return os;
-}