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
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
|
/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
// Disable printf override in common/forbidden.h to avoid
// clashes with pspdebug.h from the PSP SDK.
// That header file uses
// __attribute__((format(printf,1,2)));
// which gets messed up by our override mechanism; this could
// be avoided by either changing the PSP SDK to use the equally
// legal and valid
// __attribute__((format(__printf__,1,2)));
// or by refining our printf override to use a varadic macro
// (which then wouldn't be portable, though).
// Anyway, for now we just disable the printf override globally
// for the PSP port
#define FORBIDDEN_SYMBOL_EXCEPTION_printf
#define USERSPACE_ONLY //don't use kernel mode features
#ifndef USERSPACE_ONLY
#include <pspkernel.h>
#include <pspdebug.h>
#else
#include <pspuser.h>
#endif
#include <psppower.h>
#include <common/system.h>
#include <engines/engine.h>
#include <base/main.h>
#include <base/plugins.h>
#include "backends/platform/psp/powerman.h"
#include "backends/platform/psp/thread.h"
#include "backends/plugins/psp/psp-provider.h"
#include "backends/platform/psp/psppixelformat.h"
#include "backends/platform/psp/osys_psp.h"
#include "backends/platform/psp/tests.h" /* for unit/speed tests */
#include "backends/platform/psp/trace.h"
#ifdef ENABLE_PROFILING
#include <pspprof.h>
#endif
/**
* Define the module info section
*
* 2nd arg must 0x1000 so __init is executed in
* kernelmode for our loaderInit function
*/
#ifndef USERSPACE_ONLY
PSP_MODULE_INFO("SCUMMVM-PSP", 0x1000, 1, 1);
#else
PSP_MODULE_INFO("SCUMMVM-PSP", 0, 1, 1);
#endif
/**
* THREAD_ATTR_USER causes the thread that the startup
* code (crt0.c) starts this program in to be in usermode
* even though the module was started in kernelmode
*/
PSP_MAIN_THREAD_ATTR(THREAD_ATTR_USER | THREAD_ATTR_VFPU);
PSP_HEAP_SIZE_KB(-128); //Leave 128kb for thread stacks, etc.
#ifndef USERSPACE_ONLY
void MyExceptionHandler(PspDebugRegBlock *regs) {
/* Do normal initial dump, setup screen etc */
pspDebugScreenInit();
pspDebugScreenSetBackColor(0x00FF0000);
pspDebugScreenSetTextColor(0xFFFFFFFF);
pspDebugScreenClear();
pspDebugScreenPrintf("Exception Details:\n");
pspDebugDumpException(regs);
while (1) ;
}
/**
* Function that is called from _init in kernelmode before the
* main thread is started in usermode.
*/
__attribute__((constructor))
void loaderInit() {
pspKernelSetKernelPC();
pspDebugInstallErrorHandler(MyExceptionHandler);
}
#endif
/* Exit callback */
int exit_callback(void) {
#ifdef ENABLE_PROFILING
gprof_cleanup();
#endif
sceKernelExitGame();
return 0;
}
/* Function for handling suspend/resume */
int power_callback(int , int powerinfo, void *) {
if (powerinfo & PSP_POWER_CB_POWER_SWITCH || powerinfo & PSP_POWER_CB_SUSPENDING) {
PowerMan.suspend();
} else if (powerinfo & PSP_POWER_CB_RESUME_COMPLETE) {
PowerMan.resume();
}
return 0;
}
/* Callback thread */
int CallbackThread(SceSize /*size*/, void *arg) {
int cbid;
cbid = sceKernelCreateCallback("Exit Callback", (SceKernelCallbackFunction)exit_callback, NULL);
sceKernelRegisterExitCallback(cbid);
/* Set up callbacks for PSPIoStream */
cbid = sceKernelCreateCallback("Power Callback", (SceKernelCallbackFunction)power_callback, 0);
if (cbid >= 0) {
if (scePowerRegisterCallback(-1, cbid) < 0) {
PSP_ERROR("Couldn't register callback for power_callback\n");
}
} else {
PSP_ERROR("Couldn't create a callback for power_callback\n");
}
sceKernelSleepThreadCB();
return 0;
}
/* Sets up the callback thread and returns its thread id */
int SetupCallbacks(void) {
int thid = sceKernelCreateThread("power_thread", CallbackThread, PRIORITY_POWER_THREAD, STACK_POWER_THREAD, THREAD_ATTR_USER, 0);
if (thid >= 0) {
sceKernelStartThread(thid, 0, 0);
}
return thid;
}
#undef main
int main(void) {
//change clock rate to 333mhz
scePowerSetClockFrequency(333, 333, 166);
PowerManager::instance(); // Setup power manager
SetupCallbacks();
static const char *argv[] = { "scummvm", NULL };
static int argc = sizeof(argv) / sizeof(char *) - 1;
g_system = new OSystem_PSP();
assert(g_system);
#ifdef DYNAMIC_MODULES
PluginManager::instance().addPluginProvider(new PSPPluginProvider());
#endif
/* unit/speed tests */
#if defined(PSP_ENABLE_UNIT_TESTS) || defined(PSP_ENABLE_SPEED_TESTS)
PSP_INFO_PRINT("running tests\n");
psp_tests();
sceKernelSleepThread(); // that's it. That's all we're doing
#endif
int res = scummvm_main(argc, argv);
g_system->quit(); // TODO: Consider removing / replacing this!
PowerManager::destroy(); // get rid of PowerManager
sceKernelSleepThread();
return res;
}
|
