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Rev | Author | Line No. | Line |
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8327 | maxcodehac | 1 | #ifndef _DCACHE_H_ |
2 | #define _DCACHE_H_ |
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3 | |||
4 | |||
5 | #include "types.h" |
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6 | #include "CPU.h" |
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7 | |||
8 | |||
9 | #define DCACHE_L 5UL //line size is 2^L bytes |
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10 | #define DCACHE_S 6UL //number of sets is 2^S |
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11 | #define DCACHE_A 4UL //set associativity |
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12 | |||
13 | #define DCACHE_LINE_SZ (1UL << ICACHE_L) |
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14 | #define DCACHE_BUCKET_NUM (1UL << ICACHE_S) |
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15 | #define DCACHE_BUCKET_SZ (ICACHE_A) |
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16 | |||
17 | |||
18 | #define DCACHE_ADDR_MASK ((UInt32)-ICACHE_LINE_SZ) |
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19 | #define DCACHE_USED_MASK 1 |
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20 | #define DCACHE_PRIV_MASK 2 |
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21 | |||
22 | typedef struct{ |
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23 | |||
24 | UInt32 info; //addr, masks |
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25 | UInt8 data[DCACHE_LINE_SZ]; |
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26 | |||
27 | }dcacheLine; |
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28 | |||
29 | typedef struct{ |
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30 | |||
31 | struct ArmCpu* cpu; |
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32 | ArmCpuMemF memF; |
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33 | dcacheLine lines[DCACHE_BUCKET_NUM][DCACHE_BUCKET_SZ]; |
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34 | UInt8 ptr[DCACHE_BUCKET_NUM]; |
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35 | |||
36 | }dcache; |
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37 | |||
38 | |||
39 | void dcacheInit(dcache* ic, struct ArmCpu* cpu, ArmCpuMemF memF); |
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40 | Boolean dcacheFetch(dcache* ic, UInt32 va, UInt8 sz, Boolean priviledged, UInt8* fsr, void* buf); |
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41 | Boolean dcacheWrite(dcache* ic, UInt32 va, UInt8 sz, Boolean priviledged, UInt8* fsr, void* buf); |
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42 | void dcacheFlush(dcache* ic); |
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43 | void dcacheFlushAddr(dcache* ic, UInt32 addr); |
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44 | void dcacheInval(dcache* ic); |
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45 | void dcacheInvalAddr(dcache* ic, UInt32 addr); |
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46 | |||
47 | |||
48 | |||
49 | #endif><>><> |