blob: dafde836829cff089ebffc224adee4e5e54f2afe (
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
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
|
// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2
// Refer to the license.txt file included.
#pragma once
#include "common/common.h"
#include "common/common_types.h"
/// Generic ARM11 CPU interface
class ARM_Interface {
public:
ARM_Interface() {
m_num_instructions = 0;
}
~ARM_Interface() {
}
/// Step CPU by one instruction
void Step() {
ExecuteInstruction();
m_num_instructions++;
}
/**
* Set the Program Counter to an address
* @param addr Address to set PC to
*/
virtual void SetPC(u32 addr) = 0;
/*
* Get the current Program Counter
* @return Returns current PC
*/
virtual u32 GetPC() const = 0;
/**
* Get an ARM register
* @param index Register index (0-15)
* @return Returns the value in the register
*/
virtual u32 GetReg(int index) const = 0;
/**
* Get the current CPSR register
* @return Returns the value of the CPSR register
*/
virtual u32 GetCPSR() const = 0;
/**
* Returns the number of clock ticks since the last rese
* @return Returns number of clock ticks
*/
virtual u64 GetTicks() const = 0;
/// Getter for m_num_instructions
u64 GetNumInstructions() {
return m_num_instructions;
}
private:
/// Execture next instruction
virtual void ExecuteInstruction() = 0;
u64 m_num_instructions; ///< Number of instructions executed
DISALLOW_COPY_AND_ASSIGN(ARM_Interface);
};
|
