summaryrefslogtreecommitdiff
path: root/src/storage/dram.cc
diff options
context:
space:
mode:
Diffstat (limited to 'src/storage/dram.cc')
-rw-r--r--src/storage/dram.cc35
1 files changed, 27 insertions, 8 deletions
diff --git a/src/storage/dram.cc b/src/storage/dram.cc
index 20858cd..32f3fbb 100644
--- a/src/storage/dram.cc
+++ b/src/storage/dram.cc
@@ -1,21 +1,40 @@
-#include <dram.h>
-#include <response.h>
+#include "dram.h"
+#include "definitions.h"
+#include "response.h"
+#include <algorithm>
+#include <iostream>
Dram::Dram(int lines, int delay)
{
- this->data = new std::vector<std::array<unsigned int, 4>>;
+ this->data = new std::vector<std::array<signed int, LINE_SIZE>>;
this->data->resize(lines);
this->delay = delay;
+ this->wait_time = this->delay;
this->lower = nullptr;
}
Dram::~Dram() { delete this->data; }
-Response *Dram::write(Accessor accessor, signed int data, int address)
+Response Dram::write(Accessor accessor, signed int data, int address)
{
- return new Response();
-}
+ Response r = WAIT;
+
+ if (accessor == SIDE) {
+ this->do_write(data, address);
+ r = OK;
+ } else {
+ /* Do this first--then process the first cycle immediately. */
+ this->deque.push_back(accessor);
-Response *Dram::read(Accessor accessor, int address) { return nullptr; }
+ if (this->deque.front() == accessor) {
+ if (this->wait_time == 0) {
+ this->do_write(data, address);
+ r = OK;
+ }
+ }
+ }
+
+ return r;
+}
-int **Dram::view(int base, int lines) { return nullptr; }
+Response Dram::read(Accessor accessor, int address) { return WAIT; }