blob: c4755eaa5559afcf9390a2584da980c5b83204e3 (
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
|
#ifndef WB_H
#define WB_H
#include "instrDTO.h"
#include "response.h"
#include "stage.h"
class WB : public Stage
{
public:
/**
* Constructor.
* @param The next stage in the pipeline.
* @return A newly allocated WB object.
*/
WB(Stage *next);
using Stage::advance;
private:
void advance_helper() override;
/**
* Performs the actual work of storing into a register.
*/
void write_handler();
/**
* Performs the actual work of processing a jump instruction.
*/
void jump_handler();
/**
* @return true if the current instruction is an R or I type and is not a
* STORE.
*/
bool should_write();
/**
* @return true if the current instruction is a J type and is not a push.
* STORE.
*/
bool should_jump();
};
#endif /* WB_H_INCLUDED */
|