[picodrive.git] / platform / psp / psp.c

// (c) Copyright 2007 notaz, All rights reserved.
// Free for non-commercial use.

// For commercial use, separate licencing terms must be obtained.

#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <unistd.h>

#include <pspkernel.h>
#include <pspiofilemgr.h>
#include <pspdisplay.h>
#include <psppower.h>
#include <psprtc.h>
#include <pspgu.h>
#include <pspsdk.h>

#include "psp.h"
#include "emu.h"
#include "../common/lprintf.h"
#include "version.h"

extern int pico_main(void);

#ifndef FW15

PSP_MODULE_INFO("PicoDrive", 0, 1, 50);
PSP_HEAP_SIZE_MAX();

int main() { return pico_main(); }	/* just a wrapper */

#else

PSP_MODULE_INFO("PicoDrive", 0x1000, 1, 50);
PSP_MAIN_THREAD_ATTR(0);

int main()
{
	SceUID thid;

	/* this is the thing we need the kernel mode for */
	pspSdkInstallNoDeviceCheckPatch();

	thid = sceKernelCreateThread("pico_main", (SceKernelThreadEntry) pico_main, 32, 0x2000, PSP_THREAD_ATTR_USER, NULL);
	if (thid >= 0)
		sceKernelStartThread(thid, 0, 0);
#ifndef GCOV
	sceKernelExitDeleteThread(0);
#else
	while (engineState != PGS_Quit)
		sceKernelDelayThread(1024 * 1024);
#endif

	return 0;
}

#endif

unsigned int __attribute__((aligned(16))) guCmdList[GU_CMDLIST_SIZE];

void *psp_screen = VRAM_FB0;
int psp_unhandled_suspend = 0;

static int current_screen = 0; /* front bufer */

static SceUID main_thread_id = -1;

#define ANALOG_DEADZONE 80

/* Exit callback */
static int exit_callback(int arg1, int arg2, void *common)
{
	sceKernelExitGame();
	return 0;
}

/* Power Callback */
static int power_callback(int unknown, int pwrflags, void *common)
{
	static int old_state = PGS_Menu;
	int i;

	lprintf("power_callback: flags: 0x%08X\n", pwrflags);

	/* check for power switch and suspending as one is manual and the other automatic */
	if (pwrflags & PSP_POWER_CB_POWER_SWITCH || pwrflags & PSP_POWER_CB_SUSPENDING || pwrflags & PSP_POWER_CB_STANDBY)
	{
		if (engineState != PGS_Suspending && engineState != PGS_SuspendAck) {
			old_state = engineState;
			engineState = PGS_Suspending;
		}
		for (i = 0; i < 10 && engineState != PGS_SuspendAck; i++)
			sceKernelDelayThread(100*1024);

	}
	else if (pwrflags & PSP_POWER_CB_RESUME_COMPLETE)
	{
		engineState = old_state;
		psp_unhandled_suspend = 1;
	}

	//sceDisplayWaitVblankStart();
	return 0;
}

/* Callback thread */
static int callback_thread(SceSize args, void *argp)
{
	int cbid;

	lprintf("callback_thread started with id %08x, priority %i\n",
		sceKernelGetThreadId(), sceKernelGetThreadCurrentPriority());

	cbid = sceKernelCreateCallback("Exit Callback", exit_callback, NULL);
	sceKernelRegisterExitCallback(cbid);
	cbid = sceKernelCreateCallback("Power Callback", power_callback, NULL);
	scePowerRegisterCallback(0, cbid);

	sceKernelSleepThreadCB();

	return 0;
}

void psp_init(void)
{
	SceUID thid;
	char buff[128], *r;

	/* fw 1.5 sometimes returns 8002032c, although getcwd works */
	r = getcwd(buff, sizeof(buff));
	if (r) sceIoChdir(buff);

	main_thread_id = sceKernelGetThreadId();

	lprintf("\n%s\n", "PicoDrive v" VERSION " " __DATE__ " " __TIME__);
	lprintf("running on %08x kernel\n", sceKernelDevkitVersion()),
	lprintf("entered psp_init, threadId %08x, priority %i\n", main_thread_id,
		sceKernelGetThreadCurrentPriority());

	thid = sceKernelCreateThread("update_thread", callback_thread, 0x11, 0xFA0, 0, NULL);
	if (thid >= 0)
	{
		sceKernelStartThread(thid, 0, 0);
	}

	/* video */
	sceDisplaySetMode(0, 480, 272);
	sceDisplaySetFrameBuf(VRAM_FB1, 512, PSP_DISPLAY_PIXEL_FORMAT_565, PSP_DISPLAY_SETBUF_NEXTFRAME);
	current_screen = 1;
	psp_screen = VRAM_FB0;

	/* gu */
	sceGuInit();

	sceGuStart(GU_DIRECT, guCmdList);
	sceGuDrawBuffer(GU_PSM_5650, (void *)VRAMOFFS_FB0, 512);
	sceGuDispBuffer(480, 272, (void *)VRAMOFFS_FB1, 512); // don't care
	sceGuClear(GU_COLOR_BUFFER_BIT | GU_DEPTH_BUFFER_BIT);
	sceGuDepthBuffer((void *)VRAMOFFS_DEPTH, 512);
	sceGuOffset(2048 - (480 / 2), 2048 - (272 / 2));
	sceGuViewport(2048, 2048, 480, 272);
	sceGuDepthRange(0xc350, 0x2710);
	sceGuScissor(0, 0, 480, 272);
	sceGuEnable(GU_SCISSOR_TEST);

	sceGuDepthMask(0xffff);
	sceGuDisable(GU_DEPTH_TEST);

	sceGuFrontFace(GU_CW);
	sceGuEnable(GU_TEXTURE_2D);
	sceGuTexFunc(GU_TFX_REPLACE, GU_TCC_RGB);
	sceGuAmbientColor(0xffffffff);
	sceGuColor(0xffffffff);
	sceGuFinish();
	sceGuSync(0, 0);

	sceDisplayWaitVblankStart();
	sceGuDisplay(GU_TRUE);


	/* input */
	sceCtrlSetSamplingCycle(0);
	sceCtrlSetSamplingMode(PSP_CTRL_MODE_ANALOG);
}

void psp_finish(void)
{
	lprintf("psp_finish..\n");
	sceGuTerm();

	//sceKernelSleepThread();
	sceKernelExitGame();
}

void psp_video_flip(int wait_vsync)
{
	if (wait_vsync) sceDisplayWaitVblankStart();
	sceDisplaySetFrameBuf(psp_screen, 512, PSP_DISPLAY_PIXEL_FORMAT_565,
		wait_vsync ? PSP_DISPLAY_SETBUF_IMMEDIATE : PSP_DISPLAY_SETBUF_NEXTFRAME);
	current_screen ^= 1;
	psp_screen = current_screen ? VRAM_FB0 : VRAM_FB1;
}

void *psp_video_get_active_fb(void)
{
	return current_screen ? VRAM_FB1 : VRAM_FB0;
}

void psp_video_switch_to_single(void)
{
	psp_screen = VRAM_FB0;
	sceDisplaySetFrameBuf(psp_screen, 512, PSP_DISPLAY_PIXEL_FORMAT_565, PSP_DISPLAY_SETBUF_NEXTFRAME);
	current_screen = 0;
}

void psp_msleep(int ms)
{
	sceKernelDelayThread(ms * 1000);
}

unsigned int psp_pad_read(int blocking)
{
	unsigned int buttons;
	SceCtrlData pad;
	if (blocking)
	     sceCtrlReadBufferPositive(&pad, 1);
	else sceCtrlPeekBufferPositive(&pad, 1);
	buttons = pad.Buttons;

	// analog..
	buttons &= ~(BTN_NUB_UP|BTN_NUB_DOWN|BTN_NUB_LEFT|BTN_NUB_RIGHT);
	if (pad.Lx < 128 - ANALOG_DEADZONE) buttons |= BTN_NUB_LEFT;
	if (pad.Lx > 128 + ANALOG_DEADZONE) buttons |= BTN_NUB_RIGHT;
	if (pad.Ly < 128 - ANALOG_DEADZONE) buttons |= BTN_NUB_UP;
	if (pad.Ly > 128 + ANALOG_DEADZONE) buttons |= BTN_NUB_DOWN;

	return buttons;
}

int psp_get_cpu_clock(void)
{
	return scePowerGetCpuClockFrequencyInt();
}

int psp_set_cpu_clock(int clock)
{
	int ret = scePowerSetClockFrequency(clock, clock, clock/2);
	if (ret != 0) lprintf("failed to set clock: %i\n", ret);

	return ret;
}

char *psp_get_status_line(void)
{
	static char buff[64];
	int ret, bat_percent, bat_time;
	pspTime time;

	ret = sceRtcGetCurrentClockLocalTime(&time);
	bat_percent = scePowerGetBatteryLifePercent();
	bat_time = scePowerGetBatteryLifeTime();
	if (ret < 0 || bat_percent < 0 || bat_time < 0) return NULL;

	snprintf(buff, sizeof(buff), "%02i:%02i  bat: %3i%%", time.hour, time.minutes, bat_percent);
	if (!scePowerIsPowerOnline())
		snprintf(buff+strlen(buff), sizeof(buff)-strlen(buff), " (%i:%02i)", bat_time/60, bat_time%60);
	return buff;
}

void psp_wait_suspend(void)
{
	// probably should do something smarter here?
	sceDisplayWaitVblankStart();
}

void psp_resume_suspend(void)
{
	// for some reason file IO doesn't seem to work
	// after resume for some period of time, at least on 1.5
	SceUID fd;
	int i;
	for (i = 0; i < 30; i++) {
		fd = sceIoOpen("EBOOT.PBP", PSP_O_RDONLY, 0777);
		if (fd >= 0) break;
		sceKernelDelayThread(100 * 1024);
	}
	if (fd >= 0) sceIoClose(fd);
	sceDisplayWaitVblankStart();
	psp_unhandled_suspend = 0;
	if (i < 30)
		lprintf("io resumed after %i tries\n", i);
	else {
		lprintf("io resume failed with %08x\n", fd);
		sceKernelDelayThread(500 * 1024);
	}
}

/* alt logging */
#define LOG_FILE "log.txt"

#ifndef LPRINTF_STDIO
typedef struct _log_entry
{
	char buff[256];
	struct _log_entry *next;
} log_entry;

static log_entry *le_root = NULL;
#endif

/* strange: if this function leaks memory (before psp_init() call?),
 * resume after suspend breaks on 3.90 */
void lprintf(const char *fmt, ...)
{
	va_list vl;

#ifdef LPRINTF_STDIO
	va_start(vl, fmt);
	vprintf(fmt, vl);
	va_end(vl);
#else
	static SceUID logfd = -1;
	static int msg_count = 0;
	char buff[256];
	log_entry *le, *le1;

	if (logfd == -2) return; // disabled

	va_start(vl, fmt);
	vsnprintf(buff, sizeof(buff), fmt, vl);
	va_end(vl);

	// note: this is still unsafe code
	if (main_thread_id != sceKernelGetThreadId())
	{
		le = malloc(sizeof(*le));
		if (le == NULL) return;
		le->next = NULL;
		strcpy(le->buff, buff);
		if (le_root == NULL) le_root = le;
		else {
			for (le1 = le_root; le1->next != NULL; le1 = le1->next);
			le1->next = le;
		}
		return;
	}

	logfd = sceIoOpen(LOG_FILE, PSP_O_WRONLY|PSP_O_APPEND, 0777);
	if (logfd < 0) {
		if (msg_count == 0) logfd = -2;
		return;
	}

	if (le_root != NULL)
	{
		le1 = le_root;
		le_root = NULL;
		sceKernelDelayThread(1000);
		while (le1 != NULL) {
			le = le1;
			le1 = le->next;
			sceIoWrite(logfd, le->buff, strlen(le->buff));
			free(le);
			msg_count++;
		}
	}

	sceIoWrite(logfd, buff, strlen(buff));
	msg_count++;

	// make sure it gets flushed
	sceIoClose(logfd);
	logfd = -1;
#endif
}
Commit	Line	Data
8b99ab90	1	// (c) Copyright 2007 notaz, All rights reserved.
	2	// Free for non-commercial use.
	3
	4	// For commercial use, separate licencing terms must be obtained.
	5
7d4906bf	6	#include <stdio.h>
110df09c	7	#include <stdlib.h>
7d4906bf	8	#include <stdarg.h>
7d4906bf	9	#include <string.h>
ea08c296	10	#include <unistd.h>
7d4906bf	11
1820b5a7	12	#include <pspkernel.h>
7d4906bf	13	#include <pspiofilemgr.h>
1820b5a7	14	#include <pspdisplay.h>
70357ce5	15	#include <psppower.h>
9caf44b5	16	#include <psprtc.h>
1820b5a7	17	#include <pspgu.h>
2445b7cb	18	#include <pspsdk.h>
1820b5a7	19
1820b5a7	20	#include "psp.h"
b542be46	21	#include "emu.h"
1820b5a7	22	#include "../common/lprintf.h"
052c0f86	23	#include "version.h"
1820b5a7	24
2445b7cb	25	extern int pico_main(void);
	26
	27	#ifndef FW15
	28
052c0f86	29	PSP_MODULE_INFO("PicoDrive", 0, 1, 50);
110df09c	30	PSP_HEAP_SIZE_MAX();
1820b5a7	31
2445b7cb	32	int main() { return pico_main(); } /* just a wrapper */
	33
	34	#else
	35
052c0f86	36	PSP_MODULE_INFO("PicoDrive", 0x1000, 1, 50);
2445b7cb	37	PSP_MAIN_THREAD_ATTR(0);
	38
	39	int main()
	40	{
	41	SceUID thid;
	42
	43	/* this is the thing we need the kernel mode for */
	44	pspSdkInstallNoDeviceCheckPatch();
	45
	46	thid = sceKernelCreateThread("pico_main", (SceKernelThreadEntry) pico_main, 32, 0x2000, PSP_THREAD_ATTR_USER, NULL);
	47	if (thid >= 0)
	48	sceKernelStartThread(thid, 0, 0);
ff6b7429	49	#ifndef GCOV
2445b7cb	50	sceKernelExitDeleteThread(0);
ff6b7429	51	#else
	52	while (engineState != PGS_Quit)
	53	sceKernelDelayThread(1024 * 1024);
	54	#endif
2445b7cb	55
	56	return 0;
	57	}
	58
	59	#endif
	60
9112b6ce	61	unsigned int __attribute__((aligned(16))) guCmdList[GU_CMDLIST_SIZE];
	62
	63	void *psp_screen = VRAM_FB0;
ea08c296	64	int psp_unhandled_suspend = 0;
ea08c296	65
1820b5a7	66	static int current_screen = 0; /* front bufer */
1820b5a7	67
110df09c	68	static SceUID main_thread_id = -1;
110df09c	69
9caf44b5	70	#define ANALOG_DEADZONE 80
1820b5a7	71
	72	/* Exit callback */
	73	static int exit_callback(int arg1, int arg2, void *common)
	74	{
	75	sceKernelExitGame();
	76	return 0;
	77	}
	78
b542be46	79	/* Power Callback */
	80	static int power_callback(int unknown, int pwrflags, void *common)
	81	{
7d0143a2	82	static int old_state = PGS_Menu;
052c0f86	83	int i;
7d0143a2	84
	85	lprintf("power_callback: flags: 0x%08X\n", pwrflags);
	86
b542be46	87	/* check for power switch and suspending as one is manual and the other automatic */
7d0143a2	88	if (pwrflags & PSP_POWER_CB_POWER_SWITCH \|\| pwrflags & PSP_POWER_CB_SUSPENDING \|\| pwrflags & PSP_POWER_CB_STANDBY)
b542be46	89	{
052c0f86	90	if (engineState != PGS_Suspending && engineState != PGS_SuspendAck) {
7d0143a2	91	old_state = engineState;
	92	engineState = PGS_Suspending;
	93	}
052c0f86	94	for (i = 0; i < 10 && engineState != PGS_SuspendAck; i++)
	95	sceKernelDelayThread(100*1024);
	96
b542be46	97	}
7d0143a2	98	else if (pwrflags & PSP_POWER_CB_RESUME_COMPLETE)
ea08c296	99	{
7d0143a2	100	engineState = old_state;
ea08c296	101	psp_unhandled_suspend = 1;
ea08c296	102	}
7d0143a2	103
2445b7cb	104	//sceDisplayWaitVblankStart();
b542be46	105	return 0;
	106	}
	107
1820b5a7	108	/* Callback thread */
	109	static int callback_thread(SceSize args, void *argp)
	110	{
	111	int cbid;
	112
4b167c12	113	lprintf("callback_thread started with id %08x, priority %i\n",
a4221917	114	sceKernelGetThreadId(), sceKernelGetThreadCurrentPriority());
1820b5a7	115
	116	cbid = sceKernelCreateCallback("Exit Callback", exit_callback, NULL);
	117	sceKernelRegisterExitCallback(cbid);
b542be46	118	cbid = sceKernelCreateCallback("Power Callback", power_callback, NULL);
b542be46	119	scePowerRegisterCallback(0, cbid);
1820b5a7	120
	121	sceKernelSleepThreadCB();
	122
	123	return 0;
	124	}
	125
	126	void psp_init(void)
	127	{
a4221917	128	SceUID thid;
ea08c296	129	char buff[128], *r;
	130
	131	/* fw 1.5 sometimes returns 8002032c, although getcwd works */
	132	r = getcwd(buff, sizeof(buff));
	133	if (r) sceIoChdir(buff);
1820b5a7	134
110df09c	135	main_thread_id = sceKernelGetThreadId();
110df09c	136
052c0f86	137	lprintf("\n%s\n", "PicoDrive v" VERSION " " __DATE__ " " __TIME__);
110df09c	138	lprintf("running on %08x kernel\n", sceKernelDevkitVersion()),
110df09c	139	lprintf("entered psp_init, threadId %08x, priority %i\n", main_thread_id,
a4221917	140	sceKernelGetThreadCurrentPriority());
1820b5a7	141
2445b7cb	142	thid = sceKernelCreateThread("update_thread", callback_thread, 0x11, 0xFA0, 0, NULL);
1820b5a7	143	if (thid >= 0)
	144	{
	145	sceKernelStartThread(thid, 0, 0);
	146	}
	147
	148	/* video */
	149	sceDisplaySetMode(0, 480, 272);
9112b6ce	150	sceDisplaySetFrameBuf(VRAM_FB1, 512, PSP_DISPLAY_PIXEL_FORMAT_565, PSP_DISPLAY_SETBUF_NEXTFRAME);
1820b5a7	151	current_screen = 1;
9112b6ce	152	psp_screen = VRAM_FB0;
1820b5a7	153
	154	/* gu */
	155	sceGuInit();
	156
9112b6ce	157	sceGuStart(GU_DIRECT, guCmdList);
8ab3e3c1	158	sceGuDrawBuffer(GU_PSM_5650, (void *)VRAMOFFS_FB0, 512);
8ab3e3c1	159	sceGuDispBuffer(480, 272, (void *)VRAMOFFS_FB1, 512); // don't care
9112b6ce	160	sceGuClear(GU_COLOR_BUFFER_BIT \| GU_DEPTH_BUFFER_BIT);
8ab3e3c1	161	sceGuDepthBuffer((void *)VRAMOFFS_DEPTH, 512);
9112b6ce	162	sceGuOffset(2048 - (480 / 2), 2048 - (272 / 2));
	163	sceGuViewport(2048, 2048, 480, 272);
	164	sceGuDepthRange(0xc350, 0x2710);
	165	sceGuScissor(0, 0, 480, 272);
	166	sceGuEnable(GU_SCISSOR_TEST);
9112b6ce	167
	168	sceGuDepthMask(0xffff);
	169	sceGuDisable(GU_DEPTH_TEST);
	170
	171	sceGuFrontFace(GU_CW);
9112b6ce	172	sceGuEnable(GU_TEXTURE_2D);
9112b6ce	173	sceGuTexFunc(GU_TFX_REPLACE, GU_TCC_RGB);
8ab3e3c1	174	sceGuAmbientColor(0xffffffff);
8ab3e3c1	175	sceGuColor(0xffffffff);
9112b6ce	176	sceGuFinish();
	177	sceGuSync(0, 0);
	178
	179	sceDisplayWaitVblankStart();
	180	sceGuDisplay(GU_TRUE);
	181
	182
1820b5a7	183	/* input */
1820b5a7	184	sceCtrlSetSamplingCycle(0);
9caf44b5	185	sceCtrlSetSamplingMode(PSP_CTRL_MODE_ANALOG);
1820b5a7	186	}
	187
	188	void psp_finish(void)
	189	{
aefb65bc	190	lprintf("psp_finish..\n");
1820b5a7	191	sceGuTerm();
	192
	193	//sceKernelSleepThread();
	194	sceKernelExitGame();
	195	}
	196
7d4906bf	197	void psp_video_flip(int wait_vsync)
1820b5a7	198	{
7d4906bf	199	if (wait_vsync) sceDisplayWaitVblankStart();
70357ce5	200	sceDisplaySetFrameBuf(psp_screen, 512, PSP_DISPLAY_PIXEL_FORMAT_565,
70357ce5	201	wait_vsync ? PSP_DISPLAY_SETBUF_IMMEDIATE : PSP_DISPLAY_SETBUF_NEXTFRAME);
1820b5a7	202	current_screen ^= 1;
9112b6ce	203	psp_screen = current_screen ? VRAM_FB0 : VRAM_FB1;
7d4906bf	204	}
	205
	206	void *psp_video_get_active_fb(void)
	207	{
9112b6ce	208	return current_screen ? VRAM_FB1 : VRAM_FB0;
1820b5a7	209	}
	210
	211	void psp_video_switch_to_single(void)
	212	{
9112b6ce	213	psp_screen = VRAM_FB0;
1820b5a7	214	sceDisplaySetFrameBuf(psp_screen, 512, PSP_DISPLAY_PIXEL_FORMAT_565, PSP_DISPLAY_SETBUF_NEXTFRAME);
	215	current_screen = 0;
	216	}
	217
	218	void psp_msleep(int ms)
	219	{
	220	sceKernelDelayThread(ms * 1000);
	221	}
	222
7d4906bf	223	unsigned int psp_pad_read(int blocking)
1820b5a7	224	{
9caf44b5	225	unsigned int buttons;
1820b5a7	226	SceCtrlData pad;
7d4906bf	227	if (blocking)
	228	sceCtrlReadBufferPositive(&pad, 1);
	229	else sceCtrlPeekBufferPositive(&pad, 1);
9caf44b5	230	buttons = pad.Buttons;
	231
	232	// analog..
	233	buttons &= ~(BTN_NUB_UP\|BTN_NUB_DOWN\|BTN_NUB_LEFT\|BTN_NUB_RIGHT);
	234	if (pad.Lx < 128 - ANALOG_DEADZONE) buttons \|= BTN_NUB_LEFT;
	235	if (pad.Lx > 128 + ANALOG_DEADZONE) buttons \|= BTN_NUB_RIGHT;
	236	if (pad.Ly < 128 - ANALOG_DEADZONE) buttons \|= BTN_NUB_UP;
	237	if (pad.Ly > 128 + ANALOG_DEADZONE) buttons \|= BTN_NUB_DOWN;
1820b5a7	238
9caf44b5	239	return buttons;
1820b5a7	240	}
1820b5a7	241
70357ce5	242	int psp_get_cpu_clock(void)
	243	{
	244	return scePowerGetCpuClockFrequencyInt();
	245	}
	246
	247	int psp_set_cpu_clock(int clock)
	248	{
	249	int ret = scePowerSetClockFrequency(clock, clock, clock/2);
	250	if (ret != 0) lprintf("failed to set clock: %i\n", ret);
	251
	252	return ret;
	253	}
	254
9caf44b5	255	char *psp_get_status_line(void)
	256	{
	257	static char buff[64];
	258	int ret, bat_percent, bat_time;
	259	pspTime time;
	260
	261	ret = sceRtcGetCurrentClockLocalTime(&time);
	262	bat_percent = scePowerGetBatteryLifePercent();
	263	bat_time = scePowerGetBatteryLifeTime();
	264	if (ret < 0 \|\| bat_percent < 0 \|\| bat_time < 0) return NULL;
	265
	266	snprintf(buff, sizeof(buff), "%02i:%02i bat: %3i%%", time.hour, time.minutes, bat_percent);
	267	if (!scePowerIsPowerOnline())
	268	snprintf(buff+strlen(buff), sizeof(buff)-strlen(buff), " (%i:%02i)", bat_time/60, bat_time%60);
	269	return buff;
	270	}
	271
7d0143a2	272	void psp_wait_suspend(void)
	273	{
	274	// probably should do something smarter here?
	275	sceDisplayWaitVblankStart();
	276	}
	277
ea08c296	278	void psp_resume_suspend(void)
	279	{
	280	// for some reason file IO doesn't seem to work
	281	// after resume for some period of time, at least on 1.5
	282	SceUID fd;
	283	int i;
	284	for (i = 0; i < 30; i++) {
2b1f0e25	285	fd = sceIoOpen("EBOOT.PBP", PSP_O_RDONLY, 0777);
	286	if (fd >= 0) break;
	287	sceKernelDelayThread(100 * 1024);
ea08c296	288	}
	289	if (fd >= 0) sceIoClose(fd);
	290	sceDisplayWaitVblankStart();
	291	psp_unhandled_suspend = 0;
	292	if (i < 30)
2b1f0e25	293	lprintf("io resumed after %i tries\n", i);
	294	else {
	295	lprintf("io resume failed with %08x\n", fd);
	296	sceKernelDelayThread(500 * 1024);
	297	}
ea08c296	298	}
ea08c296	299
7d4906bf	300	/* alt logging */
110df09c	301	#define LOG_FILE "log.txt"
110df09c	302
c6196c0f	303	#ifndef LPRINTF_STDIO
110df09c	304	typedef struct _log_entry
	305	{
	306	char buff[256];
	307	struct _log_entry *next;
	308	} log_entry;
7d4906bf	309
110df09c	310	static log_entry *le_root = NULL;
c6196c0f	311	#endif
9caf44b5	312
052c0f86	313	/* strange: if this function leaks memory (before psp_init() call?),
052c0f86	314	* resume after suspend breaks on 3.90 */
7d0143a2	315	void lprintf(const char *fmt, ...)
7d4906bf	316	{
7d4906bf	317	va_list vl;
110df09c	318
	319	#ifdef LPRINTF_STDIO
	320	va_start(vl, fmt);
	321	vprintf(fmt, vl);
	322	va_end(vl);
	323	#else
	324	static SceUID logfd = -1;
ea08c296	325	static int msg_count = 0;
7d4906bf	326	char buff[256];
110df09c	327	log_entry le, le1;
7d4906bf	328
9caf44b5	329	if (logfd == -2) return; // disabled
9caf44b5	330
110df09c	331	va_start(vl, fmt);
	332	vsnprintf(buff, sizeof(buff), fmt, vl);
	333	va_end(vl);
	334
	335	// note: this is still unsafe code
	336	if (main_thread_id != sceKernelGetThreadId())
7d4906bf	337	{
110df09c	338	le = malloc(sizeof(*le));
	339	if (le == NULL) return;
	340	le->next = NULL;
	341	strcpy(le->buff, buff);
	342	if (le_root == NULL) le_root = le;
	343	else {
	344	for (le1 = le_root; le1->next != NULL; le1 = le1->next);
	345	le1->next = le;
9caf44b5	346	}
110df09c	347	return;
7d4906bf	348	}
7d4906bf	349
110df09c	350	logfd = sceIoOpen(LOG_FILE, PSP_O_WRONLY\|PSP_O_APPEND, 0777);
110df09c	351	if (logfd < 0) {
ea08c296	352	if (msg_count == 0) logfd = -2;
110df09c	353	return;
	354	}
	355
	356	if (le_root != NULL)
	357	{
	358	le1 = le_root;
	359	le_root = NULL;
	360	sceKernelDelayThread(1000);
	361	while (le1 != NULL) {
	362	le = le1;
	363	le1 = le->next;
	364	sceIoWrite(logfd, le->buff, strlen(le->buff));
	365	free(le);
ea08c296	366	msg_count++;
110df09c	367	}
110df09c	368	}
7d4906bf	369
7d4906bf	370	sceIoWrite(logfd, buff, strlen(buff));
ea08c296	371	msg_count++;
9caf44b5	372
	373	// make sure it gets flushed
	374	sceIoClose(logfd);
	375	logfd = -1;
110df09c	376	#endif
7d4906bf	377	}
	378
	379