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
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
|
// Copyright 2014 Citra Emulator Project / PPSSPP Project
// Licensed under GPLv2
// Refer to the license.txt file included.
#pragma once
#include "common/common_types.h"
typedef s32 Handle;
enum KernelIDType {
KERNEL_ID_TYPE_THREAD = 1,
KERNEL_ID_TYPE_SEMAPHORE = 2,
KERNEL_ID_TYPE_MUTEX = 3,
KERNEL_ID_TYPE_EVENT = 4,
};
enum {
KERNEL_MAX_NAME_LENGTH = 0x100,
KERNEL_DEFAULT_STACK_SIZE = 0x4000,
};
class KernelObjectPool;
class KernelObject {
friend class KernelObjectPool;
u32 handle;
public:
virtual ~KernelObject() {}
Handle GetHandle() const { return handle; }
virtual const char *GetTypeName() { return "[BAD KERNEL OBJECT TYPE]"; }
virtual const char *GetName() { return "[UNKNOWN KERNEL OBJECT]"; }
virtual KernelIDType GetIDType() const = 0;
};
class KernelObjectPool {
public:
KernelObjectPool();
~KernelObjectPool() {}
// Allocates a handle within the range and inserts the object into the map.
Handle Create(KernelObject *obj, int range_bottom=INITIAL_NEXT_ID, int range_top=0x7FFFFFFF);
static KernelObject *CreateByIDType(int type);
template <class T>
u32 Destroy(Handle handle) {
u32 error;
if (Get<T>(handle, error)) {
occupied[handle - HANDLE_OFFSET] = false;
delete pool[handle - HANDLE_OFFSET];
}
return error;
};
bool IsValid(Handle handle);
template <class T>
T* Get(Handle handle, u32& outError) {
if (handle < HANDLE_OFFSET || handle >= HANDLE_OFFSET + MAX_COUNT || !occupied[handle - HANDLE_OFFSET]) {
// Tekken 6 spams 0x80020001 gets wrong with no ill effects, also on the real PSP
if (handle != 0 && (u32)handle != 0x80020001) {
WARN_LOG(KERNEL, "Kernel: Bad object handle %i (%08x)", handle, handle);
}
outError = 0;//T::GetMissingErrorCode();
return 0;
} else {
// Previously we had a dynamic_cast here, but since RTTI was disabled traditionally,
// it just acted as a static case and everything worked. This means that we will never
// see the Wrong type object error below, but we'll just have to live with that danger.
T* t = static_cast<T*>(pool[handle - HANDLE_OFFSET]);
if (t == 0 || t->GetIDType() != T::GetStaticIDType()) {
WARN_LOG(KERNEL, "Kernel: Wrong object type for %i (%08x)", handle, handle);
outError = 0;//T::GetMissingErrorCode();
return 0;
}
outError = 0;//SCE_KERNEL_ERROR_OK;
return t;
}
}
// ONLY use this when you know the handle is valid.
template <class T>
T *GetFast(Handle handle) {
const Handle realHandle = handle - HANDLE_OFFSET;
_dbg_assert_(KERNEL, realHandle >= 0 && realHandle < MAX_COUNT && occupied[realHandle]);
return static_cast<T *>(pool[realHandle]);
}
template <class T, typename ArgT>
void Iterate(bool func(T *, ArgT), ArgT arg) {
int type = T::GetStaticIDType();
for (int i = 0; i < MAX_COUNT; i++)
{
if (!occupied[i])
continue;
T *t = static_cast<T *>(pool[i]);
if (t->GetIDType() == type) {
if (!func(t, arg))
break;
}
}
}
bool GetIDType(Handle handle, int *type) const {
if ((handle < HANDLE_OFFSET) || (handle >= HANDLE_OFFSET + MAX_COUNT) ||
!occupied[handle - HANDLE_OFFSET]) {
ERROR_LOG(KERNEL, "Kernel: Bad object handle %i (%08x)", handle, handle);
return false;
}
KernelObject *t = pool[handle - HANDLE_OFFSET];
*type = t->GetIDType();
return true;
}
KernelObject *&operator [](Handle handle);
void List();
void Clear();
int GetCount();
private:
enum {
MAX_COUNT = 0x1000,
HANDLE_OFFSET = 0x100,
INITIAL_NEXT_ID = 0x10,
};
KernelObject *pool[MAX_COUNT];
bool occupied[MAX_COUNT];
int next_id;
};
extern KernelObjectPool g_kernel_objects;
bool __KernelLoadExec(u32 entry_point);
|
