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-rw-r--r--inc/cache.h84
1 files changed, 0 insertions, 84 deletions
diff --git a/inc/cache.h b/inc/cache.h
deleted file mode 100644
index 88fd352..0000000
--- a/inc/cache.h
+++ /dev/null
@@ -1,84 +0,0 @@
-#ifndef CACHE_H
-#define CACHE_H
-#include "definitions.h"
-#include "storage.h"
-#include <array>
-#include <ostream>
-#include <functional>
-
-class Cache : public Storage
-{
- public:
- /**
- * Constructor.
- * @param The number of `lines` contained in memory. The total number of
- * words is this number multiplied by LINE_SIZE.
- * @param The next lowest level in storage. Methods from this object are
- * called in case of a cache miss.
- * @param The number of clock cycles each access takes.
- * @return A new cache object.
- */
- Cache(Storage *lower, int delay);
- ~Cache();
-
- Response
- write_word(Accessor accessor, signed int data, int address) override;
- Response write_line(
- Accessor accessor,
- std::array<signed int, LINE_SIZE> data_line,
- int address) override;
- Response read_line(
- Accessor accessor,
- int address,
- std::array<signed int, LINE_SIZE> &data_line) override;
- Response
- read_word(Accessor accessor, int address, signed int &data) override;
-
- /**
- * Getter for the meta attribute.
- * TODO this doesn't seem like good object-oriented practice.
- * @return this->meta
- */
- std::array<std::array<int, 2>, L1_CACHE_LINES> get_meta() const;
-
- private:
- /**
- * Helper for all access methods.
- * Calls `request_handler` when `accessor` is allowed to complete its
- * request cycle.
- * @param the source making the request
- * @param the address to write to
- * @param the function to call when an access should be completed
- */
- Response process(
- Accessor accessor,
- int address,
- std::function<void(int index, int offset)> request_handler);
- /**
- * Returns OK if `accessor` is allowed to complete its request this cycle.
- * Handles cache misses, wait times, and setting the current accessor this
- * storage is serving.
- * @param the accessor asking for a resource
- * @return whether or not the access can be carried out this function call.
- */
- Response is_access_cleared(Accessor accessor, int address);
- /**
- * Helper for access_cleared.
- * Fetches `address` from a lower level of storage if it is not already
- * present. If it is not, temporarily sets the is_blocked attribute of this
- * cache level to true, and the victim line is chosen/written back.
- * @param the address that must be present in cache.
- */
- void handle_miss(int address);
- /**
- * An array of metadata about elements in `data`.
- * If the first value of an element is negative, the corresponding
- * element in `data` is invalid. If the most second value of an element
- * is nonzero, the corresponding element in `data` is dirty.
- */
- std::array<std::array<int, 2>, L1_CACHE_LINES> meta;
-};
-
-std::ostream &operator<<(std::ostream &os, const Cache &c);
-
-#endif /* CACHE_H_INCLUDED */