hardware.h

#ifndef HARDWARE
#define HARDWARE

#include <inttypes.h>

struct Node {
    int64_t index;
    struct Node *next;
};

struct L2CacheSet {
    int64_t tags[8];
    int64_t dirty[8];
    int64_t valid[8];
    struct Node *head;
    struct Node *tail;
    int64_t listCount;
};

struct L1Cache {
    int64_t tags[128];
    int64_t valid[128];
};

struct L2Cache {
    struct L2CacheSet sets[128];
};

struct VictimCache {
    int64_t tags[8];
    int64_t lruCounter[8];
    int64_t valid[8];
};

struct FrameTable {
    int64_t pid[65536];
    int64_t initialFrameAlloc;
};

struct PageTable {
    int64_t entries[256];
};

struct MainMemory {
    int64_t freeFrames;
    int64_t nextFreeFrame;
    struct PageTable *frames[65536];

    int64_t lru[65536];
};

struct TLB {
    int64_t pageNumber[32];
    int64_t frameNumber[32];
    int64_t pid[32];
    int64_t valid[32];
    int64_t lru[32][32];
};

struct Hardware {
    struct L1Cache *l1d;
    struct L1Cache *l1i;
    struct L2Cache *l2;
    struct VictimCache *victim;
    struct MainMemory *mainMemory;
    struct TLB *tlb;
    struct FrameTable *frametable;
};

struct SegmentTable {
    int64_t csBase;
    int64_t dsBase;
    int64_t csLength;
    int64_t dsLength;
};

struct Process {

    int64_t pid;
    struct SegmentTable *ldt;
    int64_t state; // Thrashing: 0 -> suspended, 1 -> active
};

#endif