blob: 3ad3bdb17f6d770ea709397f75c748778dda4488 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
|
#ifndef CACHE_H
#define CACHE_H
#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;
};
}
#endif // CACHE_H
|
