Last change
on this file since 5 was
5,
checked in by guillaumeb, 15 years ago
|
Réorganisation des dossiers
déplacement des fichiers source dans le sous dossier ./src
déplacement de systemc dans le sous-dossier ./lib
|
File size:
1.9 KB
|
Rev | Line | |
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[2] | 1 | #ifndef CACHE_STORE_H |
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| 2 | #define CACHE_STORE_H |
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| 3 | #include <list> |
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| 4 | #include "address.h" |
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| 5 | |
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| 6 | using namespace std; |
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| 7 | |
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| 8 | typedef enum associativity { |
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| 9 | FULLY_ASSOCIATIVE = 0, |
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| 10 | DIRECT_MAPPING = 1, |
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| 11 | WAY_2 = 2, |
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| 12 | WAY_4 = 4, |
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| 13 | WAY_8 = 8 |
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| 14 | } t_assoc; |
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| 15 | |
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| 16 | class CacheStore { |
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| 17 | |
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| 18 | private: |
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| 19 | unsigned int cache_size; |
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| 20 | unsigned int line_width; |
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| 21 | t_assoc associativity; |
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| 22 | unsigned int num_lines; |
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| 23 | unsigned int num_sets; |
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| 24 | |
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| 25 | // loaded cache lines : stores |
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| 26 | list<int> *cache_lines; |
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| 27 | |
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| 28 | public: |
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| 29 | CacheStore( int cache_size, |
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| 30 | int line_width, |
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| 31 | t_assoc associativity ) { |
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| 32 | |
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| 33 | // attributes initialization |
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| 34 | this->cache_size = cache_size; |
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| 35 | this->line_width = line_width; |
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| 36 | this->associativity = associativity; |
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| 37 | |
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| 38 | this->num_lines = cache_size / line_width; |
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| 39 | if (associativity != FULLY_ASSOCIATIVE) |
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| 40 | this->num_sets = num_lines / associativity; |
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| 41 | else |
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| 42 | this->num_sets = 1; |
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| 43 | this->cache_lines = new list<int>[num_sets]; |
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| 44 | |
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| 45 | // cache lines array initialization |
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| 46 | for (unsigned int i=0; i < num_sets; i++) { |
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| 47 | cache_lines[i] = list<int>(); |
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| 48 | } |
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| 49 | |
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| 50 | // Print parameters |
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| 51 | cout << ">>> parameters:" << endl; |
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| 52 | cout << " cache_size = " << cache_size << endl; |
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| 53 | cout << " line_width = " << line_width << endl; |
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| 54 | cout << " associativity = " << associativity << endl; |
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| 55 | cout << " number of lines = " << num_lines << endl << endl; |
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| 56 | } |
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| 57 | |
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| 58 | //bool is_loaded(list<int> *lines, int line); |
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| 59 | bool is_loaded(Address address); |
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| 60 | |
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| 61 | //void do_load(list<int> *lines, int line); |
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| 62 | void do_load(Address address); |
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| 63 | |
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| 64 | int get_line_width(); |
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| 65 | |
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| 66 | ~CacheStore() { |
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| 67 | delete [] cache_lines; |
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| 68 | } |
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| 69 | }; |
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| 70 | |
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| 71 | #endif |
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