1 files changed, 27 insertions, 0 deletions
diff --git a/qtmips_machine/cache.h b/qtmips_machine/cache.h
index 1bf82bf..3ad3bdb 100644
--- a/qtmips_machine/cache.h
+++ b/qtmips_machine/cache.h
@@ -3,12 +3,39 @@
 
 #include <memory.h>
 #include <machineconfig.h>
+#include <stdint.h>
 
 namespace machine {
 
 class Cache : public MemoryAccess {
+    Q_OBJECT
 public:
     Cache(Memory *m, MachineConfigCache *c);
+
+    void wword(std::uint32_t address, std::uint32_t value);
+    std::uint32_t rword(std::uint32_t address) const;
+
+    void flush(); // flush/sync cache
+
+    unsigned hit(); // Number of recorded hits
+    unsigned miss(); // Number of recorded misses
+
+    // TODO reset
+
+private:
+    MachineConfigCache cnf;
+    Memory *mem;
+
+    struct cache_data {
+        bool valid, dirty;
+        std::uint32_t tag;
+        std::uint32_t *data;
+    };
+    mutable struct cache_data **dt;
+
+    mutable unsigned hitc, missc;
+
+    void access(std::uint32_t address, std::uint32_t **data, bool read) const;
 };
 
 }