From 2b458c01aca16e26939e169f1b545982e0f8626f Mon Sep 17 00:00:00 2001 From: bd Date: Sun, 9 Mar 2025 12:05:12 -0400 Subject: Add bitset field to cache.h for keeping track of write/validity --- src/storage/cache.cc | 20 +++++++++++++++++--- src/utils/utils.cc | 2 +- 2 files changed, 18 insertions(+), 4 deletions(-) (limited to 'src') diff --git a/src/storage/cache.cc b/src/storage/cache.cc index bbefb2a..bf1126a 100644 --- a/src/storage/cache.cc +++ b/src/storage/cache.cc @@ -6,17 +6,31 @@ Cache::Cache(int lines, Storage *lower, int delay) { this->data = new std::vector>; - this->data->resize(lines); + this->data->resize(L1_CACHE_SIZE); this->lower = lower; this->delay = delay; - this->lower = nullptr; + for (int i = 0; i < L1_CACHE_SIZE; ++i) + this->stat[i] = 0b01; } Cache::~Cache() { delete this->data; } Response Cache::write(Accessor accessor, signed int data, int address) { - return WAIT; + Response r = WAIT; + + /* Do this first--then process the first cycle immediately. */ + if (this->requester == IDLE) + this->requester = accessor; + + if (this->requester == accessor) { + if (this->wait_time == 0) { + this->do_write(data, address); + r = OK; + } + } + + return r; } Response Cache::read(Accessor accessor, int address) { return WAIT; } diff --git a/src/utils/utils.cc b/src/utils/utils.cc index b4bdb2f..52be177 100644 --- a/src/utils/utils.cc +++ b/src/utils/utils.cc @@ -1,5 +1,5 @@ -#include "definitions.h" #include "utils.h" +#include "definitions.h" void get_bit_fields(int address, int *tag, int *index, int *offset) { -- cgit v1.2.3