diff options
| author | bd <bdunahu@operationnull.com> | 2025-03-09 21:39:07 -0400 | 
|---|---|---|
| committer | bd <bdunahu@operationnull.com> | 2025-03-09 21:39:07 -0400 | 
| commit | 95d90e454beca2e467613d0c0fbb035b02eada23 (patch) | |
| tree | 3010c9f7270f7dc0374119f2bcd9b5c883f8e1b0 /src | |
| parent | 4676d633edaea37b5661e4f91742b42fcf5b7881 (diff) | |
Cache object issues with uninitialized fields, another cache test
Diffstat (limited to 'src')
| -rw-r--r-- | src/storage/cache.cc | 19 | 
1 files changed, 11 insertions, 8 deletions
diff --git a/src/storage/cache.cc b/src/storage/cache.cc index f1ae238..52f13b9 100644 --- a/src/storage/cache.cc +++ b/src/storage/cache.cc @@ -8,9 +8,12 @@ Cache::Cache(Storage *lower, int delay)  {  	this->data = new std::vector<std::array<signed int, LINE_SIZE>>;  	this->data->resize(L1_CACHE_SIZE); -	this->lower = lower;  	this->delay = delay; -	this->meta.fill({-1}); +	this->is_waiting = false; +	this->lower = lower; +	this->meta.fill({-1, -1}); +	this->requester = IDLE; +	this->wait_time = this->delay;  }  Cache::~Cache() { delete this->data; } @@ -25,13 +28,12 @@ Response Cache::write(Accessor accessor, signed int data, int address)  	if (this->requester == accessor) {  		fetch_resource(address); -		if (this->is_waiting == true) +		if (this->is_waiting)  			r = BLOCKED;  		else if (this->wait_time == 0) {  			int tag, index, offset;  			get_bit_fields(address, &tag, &index, &offset);  			this->data->at(index).at(offset) = data; -			  			r = OK;  		}  	} @@ -48,16 +50,16 @@ Response Cache::read(  void Cache::fetch_resource(int expected)  {  	Response r = OK; -	int etag, index, eoffset, atag; +	int tag, index, offset;  	std::array<signed int, LINE_SIZE> actual;  	std::array<int, 2> meta; -	get_bit_fields(expected, &etag, &index, &eoffset); +	get_bit_fields(expected, &tag, &index, &offset);  	meta = this->meta.at(index); -	if (atag != etag) { +	if (this->meta[index][0] != tag) {  		// address not in cache -		if (this->meta[index][0] >= 0) { +		if (this->meta[index][1] >= 0) {  			// occupant is dirty  			// TODO  			r = WAIT; @@ -65,6 +67,7 @@ void Cache::fetch_resource(int expected)  			actual = this->data->at(index);  			r = this->lower->read(L1CACHE, expected, actual);  			// clear dirty bit and set tag? +			  		}  	}  | 
