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
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
|
// Copyright 2017 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include "core/arm/dynarmic/arm_dynarmic_cp15.h"
#include "core/arm/skyeye_common/arm_regformat.h"
#include "core/arm/skyeye_common/armstate.h"
using Callback = Dynarmic::A32::Coprocessor::Callback;
using CallbackOrAccessOneWord = Dynarmic::A32::Coprocessor::CallbackOrAccessOneWord;
using CallbackOrAccessTwoWords = Dynarmic::A32::Coprocessor::CallbackOrAccessTwoWords;
DynarmicCP15::DynarmicCP15(CP15State& state) : state(state) {}
DynarmicCP15::~DynarmicCP15() = default;
std::optional<Callback> DynarmicCP15::CompileInternalOperation(bool two, unsigned opc1,
CoprocReg CRd, CoprocReg CRn,
CoprocReg CRm, unsigned opc2) {
return std::nullopt;
}
CallbackOrAccessOneWord DynarmicCP15::CompileSendOneWord(bool two, unsigned opc1, CoprocReg CRn,
CoprocReg CRm, unsigned opc2) {
// TODO(merry): Privileged CP15 registers
if (!two && CRn == CoprocReg::C7 && opc1 == 0 && CRm == CoprocReg::C5 && opc2 == 4) {
// This is a dummy write, we ignore the value written here.
return &state.cp15_flush_prefetch_buffer;
}
if (!two && CRn == CoprocReg::C7 && opc1 == 0 && CRm == CoprocReg::C10) {
switch (opc2) {
case 4:
// This is a dummy write, we ignore the value written here.
return &state.cp15_data_sync_barrier;
case 5:
// This is a dummy write, we ignore the value written here.
return &state.cp15_data_memory_barrier;
default:
return std::monostate{};
}
}
if (!two && CRn == CoprocReg::C13 && opc1 == 0 && CRm == CoprocReg::C0 && opc2 == 2) {
return &state.cp15_thread_uprw;
}
return std::monostate{};
}
CallbackOrAccessTwoWords DynarmicCP15::CompileSendTwoWords(bool two, unsigned opc, CoprocReg CRm) {
return std::monostate{};
}
CallbackOrAccessOneWord DynarmicCP15::CompileGetOneWord(bool two, unsigned opc1, CoprocReg CRn,
CoprocReg CRm, unsigned opc2) {
// TODO(merry): Privileged CP15 registers
if (!two && CRn == CoprocReg::C13 && opc1 == 0 && CRm == CoprocReg::C0) {
switch (opc2) {
case 2:
return &state.cp15_thread_uprw;
case 3:
return &state.cp15_thread_uro;
default:
return std::monostate{};
}
}
return std::monostate{};
}
CallbackOrAccessTwoWords DynarmicCP15::CompileGetTwoWords(bool two, unsigned opc, CoprocReg CRm) {
return std::monostate{};
}
std::optional<Callback> DynarmicCP15::CompileLoadWords(bool two, bool long_transfer, CoprocReg CRd,
std::optional<u8> option) {
return std::nullopt;
}
std::optional<Callback> DynarmicCP15::CompileStoreWords(bool two, bool long_transfer, CoprocReg CRd,
std::optional<u8> option) {
return std::nullopt;
}
|
