aboutsummaryrefslogtreecommitdiff
path: root/backends/platform/wii/main.cpp
blob: a0a28501ccd714e147bfbe50fd631e5d248be103 (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
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
201
202
203
204
205
206
207
208
209
210
211
212
213
214
/* 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.
 */

#include <sys/stat.h>
#include <sys/types.h>
#include <errno.h>
#include <unistd.h>

#include "osystem.h"

#include <ogc/machine/processor.h>
#include <fat.h>
#ifndef GAMECUBE
#include <wiiuse/wpad.h>
#endif
#ifdef USE_WII_DI
#include <di/di.h>
#endif
#ifdef DEBUG_WII_GDB
#include <debug.h>
#endif
#include <gfx/gfx.h>
#include <gfx/gfx_con.h>

#ifdef __cplusplus
extern "C" {
#endif

bool reset_btn_pressed = false;
bool power_btn_pressed = false;

void reset_cb(void) {
#ifdef DEBUG_WII_GDB
	printf("attach gdb now\n");
	_break();
	SYS_SetResetCallback(reset_cb);
#else
	reset_btn_pressed = true;
#endif
}

void power_cb(void) {
	power_btn_pressed = true;
}

static void show_console(int code) {
	u32 b;

	printf("ScummVM exited abnormally (%d).\n", code);

	gfx_frame_abort();
	if (!gfx_frame_start())
		return;

	gfx_con_draw();
	gfx_frame_end();

	while (true) {
		b = 0;

		if (PAD_ScanPads() & 1)
			b = PAD_ButtonsDown(0);

#ifndef GAMECUBE
		WPAD_ScanPads();
		if (WPAD_Probe(0, NULL) == WPAD_ERR_NONE)
			b |= WPAD_ButtonsDown(0);
#endif

		if (b)
			break;

		VIDEO_WaitVSync();
	}
}

s32 reset_func(s32 final) {
	static bool done = false;

	if (!done) {
		show_console(-127);
		done = true;
	}

	return 1;
}

static sys_resetinfo resetinfo = {
	{ NULL, NULL },
	reset_func,
	1
};

#ifdef DEBUG_WII_MEMSTATS
void wii_memstats(void) {
	static u32 min_free = UINT_MAX;
	static u32 temp_free;
	static u32 level;

	_CPU_ISR_Disable(level);
#ifdef GAMECUBE
	temp_free = (u32) SYS_GetArenaHi() - (u32) SYS_GetArenaLo();
#else
	temp_free = (u32) SYS_GetArena1Hi() - (u32) SYS_GetArena1Lo() +
				(u32) SYS_GetArena2Hi() - (u32) SYS_GetArena2Lo();
#endif
	_CPU_ISR_Restore(level);

	if (temp_free < min_free) {
		min_free = temp_free;
		fprintf(stderr, "free: %8u\n", min_free);
	}
}
#endif

int main(int argc, char *argv[]) {
	s32 res;

#ifdef USE_WII_DI
	DI_Init();
#endif

	VIDEO_Init();
	PAD_Init();
	AUDIO_Init(NULL);

	gfx_video_init(NULL);
	gfx_init();
	gfx_con_init(NULL);

#ifdef DEBUG_WII_GDB
	DEBUG_Init(GDBSTUB_DEVICE_USB, 1);
#endif

	printf("startup as ");
	if (argc > 0)
		printf("'%s'\n", argv[0]);
	else
		printf("<unknown>\n");

	SYS_RegisterResetFunc(&resetinfo);

	SYS_SetResetCallback(reset_cb);
#ifndef GAMECUBE
	SYS_SetPowerCallback(power_cb);
#endif

	if (!fatInitDefault()) {
		printf("fatInitDefault failed\n");
	} else {
		// set the default path if libfat couldnt set it
		// this allows loading over tcp/usbgecko
		char cwd[MAXPATHLEN];

		if (getcwd(cwd, MAXPATHLEN)) {
			size_t len = strlen(cwd);

			if (len > 2 && (cwd[len - 1] == ':' || cwd[len - 2] == ':')) {
				printf("chdir to default\n");
				chdir("/apps/scummvm");
			}
		}
	}

	g_system = new OSystem_Wii();
	assert(g_system);

	res = scummvm_main(argc, argv);
	g_system->quit();

	printf("shutdown\n");

	SYS_UnregisterResetFunc(&resetinfo);
	fatUnmountDefault();

	if (res)
		show_console(res);

	if (power_btn_pressed) {
		printf("shutting down\n");
		SYS_ResetSystem(SYS_POWEROFF, 0, 0);
	}

	printf("reloading\n");

	gfx_con_deinit();
	gfx_deinit();
	gfx_video_deinit();

	return res;
}

#ifdef __cplusplus
}
#endif