Last change
on this file since 14 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:
1.8 KB
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Rev | Line | |
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[2] | 1 | #ifndef L2CACHE_H_ |
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| 2 | #define L2CACHE_H_ |
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| 3 | |
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| 4 | #include <systemc.h> |
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| 5 | #include "address.h" |
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| 6 | #include "queue.h" |
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| 7 | #include "processing_queue.h" |
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| 8 | #include "cache_store.h" |
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| 9 | |
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| 10 | SC_MODULE(L2Cache) |
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| 11 | { |
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| 12 | // clock |
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| 13 | sc_in_clk clock; |
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| 14 | |
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| 15 | // signal request from l1 |
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| 16 | sc_in <RawAddress> in_data; |
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| 17 | sc_in <bool> in_activate; |
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| 18 | |
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| 19 | sc_out <RawAddress> out_data; |
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| 20 | sc_out <bool> out_activate; |
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| 21 | |
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| 22 | // XXX temporary signal for out information (for monitoring) |
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| 23 | sc_out<bool> miss_info; |
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| 24 | sc_out<bool> hit_info; |
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| 25 | |
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| 26 | // Queue de sortie : pour limiter le nombre de requetes simultannées |
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| 27 | Queue<Address> *output_queue; |
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| 28 | |
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| 29 | // CacheStore : contient les lignes actuellement stockées dans le cache |
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| 30 | CacheStore *cstore; |
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| 31 | |
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| 32 | // Processing queue : timeout interne pour l'envoi de données |
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| 33 | // qui sont chargées dans ce cache |
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| 34 | ProcessingQueue *processing_queue; |
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| 35 | |
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| 36 | // Latence : délai nécesaire pour temporiser l'envoi de données |
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| 37 | // chargées dans ce cache |
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| 38 | unsigned int latency; |
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| 39 | |
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| 40 | // methods for handling memory requests (systemc) |
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| 41 | void read(); |
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| 42 | void write(); |
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| 43 | |
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| 44 | L2Cache(sc_module_name name, |
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| 45 | int cache_size, |
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| 46 | int line_width, |
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| 47 | t_assoc associativity, |
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| 48 | unsigned int latency) : sc_module(name) |
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| 49 | { |
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| 50 | this->cstore = new CacheStore(cache_size, line_width, associativity); |
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| 51 | this->latency = latency; |
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| 52 | this->output_queue = new Queue<Address>(10); |
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| 53 | this->processing_queue = new ProcessingQueue(10); |
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| 54 | |
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| 55 | SC_METHOD(read); |
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| 56 | dont_initialize(); |
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| 57 | sensitive << clock.pos(); |
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| 58 | |
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| 59 | SC_METHOD(write); |
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| 60 | dont_initialize(); |
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| 61 | sensitive << clock.pos(); |
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| 62 | }; |
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| 63 | |
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| 64 | SC_HAS_PROCESS(L2Cache); |
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| 65 | |
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| 66 | ~L2Cache() |
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| 67 | { |
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| 68 | delete output_queue; |
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| 69 | delete processing_queue; |
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| 70 | delete cstore; |
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| 71 | } |
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| 72 | }; |
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| 73 | |
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| 74 | #endif |
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