[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, 51);
PSP_HEAP_SIZE_MAX();

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

#else

PSP_MODULE_INFO("PicoDrive", 0x1000, 1, 51);
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

int psp_unhandled_suspend = 0;

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

void *psp_screen = VRAM_FB0;

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)
{
	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)
	{
		psp_unhandled_suspend = 1;
		if (engineState != PGS_Suspending)
			engineStateSuspend = engineState;
		sceKernelDelayThread(100000); // ??
	}
	else if (pwrflags & PSP_POWER_CB_RESUME_COMPLETE)
	{
		engineState = PGS_SuspendWake;
	}

	//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();
	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
2b02d6e5	29	PSP_MODULE_INFO("PicoDrive", 0, 1, 51);
110df09c	30	PSP_HEAP_SIZE_MAX();
1820b5a7	31
2445b7cb	32	int main() { return pico_main(); } /* just a wrapper */
	33
	34	#else
	35
2b02d6e5	36	PSP_MODULE_INFO("PicoDrive", 0x1000, 1, 51);
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
2b02d6e5	61	int psp_unhandled_suspend = 0;
2b02d6e5	62
9112b6ce	63	unsigned int __attribute__((aligned(16))) guCmdList[GU_CMDLIST_SIZE];
	64
	65	void *psp_screen = VRAM_FB0;
ea08c296	66
1820b5a7	67	static int current_screen = 0; /* front bufer */
1820b5a7	68
110df09c	69	static SceUID main_thread_id = -1;
110df09c	70
9caf44b5	71	#define ANALOG_DEADZONE 80
1820b5a7	72
	73	/* Exit callback */
	74	static int exit_callback(int arg1, int arg2, void *common)
	75	{
	76	sceKernelExitGame();
	77	return 0;
	78	}
	79
b542be46	80	/* Power Callback */
	81	static int power_callback(int unknown, int pwrflags, void *common)
	82	{
7d0143a2	83	lprintf("power_callback: flags: 0x%08X\n", pwrflags);
7d0143a2	84
b542be46	85	/* check for power switch and suspending as one is manual and the other automatic */
7d0143a2	86	if (pwrflags & PSP_POWER_CB_POWER_SWITCH \|\| pwrflags & PSP_POWER_CB_SUSPENDING \|\| pwrflags & PSP_POWER_CB_STANDBY)
b542be46	87	{
2b02d6e5	88	psp_unhandled_suspend = 1;
	89	if (engineState != PGS_Suspending)
	90	engineStateSuspend = engineState;
	91	sceKernelDelayThread(100000); // ??
b542be46	92	}
7d0143a2	93	else if (pwrflags & PSP_POWER_CB_RESUME_COMPLETE)
ea08c296	94	{
2b02d6e5	95	engineState = PGS_SuspendWake;
ea08c296	96	}
7d0143a2	97
2445b7cb	98	//sceDisplayWaitVblankStart();
b542be46	99	return 0;
	100	}
	101
1820b5a7	102	/* Callback thread */
	103	static int callback_thread(SceSize args, void *argp)
	104	{
	105	int cbid;
	106
4b167c12	107	lprintf("callback_thread started with id %08x, priority %i\n",
a4221917	108	sceKernelGetThreadId(), sceKernelGetThreadCurrentPriority());
1820b5a7	109
	110	cbid = sceKernelCreateCallback("Exit Callback", exit_callback, NULL);
	111	sceKernelRegisterExitCallback(cbid);
b542be46	112	cbid = sceKernelCreateCallback("Power Callback", power_callback, NULL);
b542be46	113	scePowerRegisterCallback(0, cbid);
1820b5a7	114
	115	sceKernelSleepThreadCB();
	116
	117	return 0;
	118	}
	119
	120	void psp_init(void)
	121	{
a4221917	122	SceUID thid;
ea08c296	123	char buff[128], *r;
	124
	125	/* fw 1.5 sometimes returns 8002032c, although getcwd works */
	126	r = getcwd(buff, sizeof(buff));
	127	if (r) sceIoChdir(buff);
1820b5a7	128
110df09c	129	main_thread_id = sceKernelGetThreadId();
110df09c	130
052c0f86	131	lprintf("\n%s\n", "PicoDrive v" VERSION " " __DATE__ " " __TIME__);
110df09c	132	lprintf("running on %08x kernel\n", sceKernelDevkitVersion()),
110df09c	133	lprintf("entered psp_init, threadId %08x, priority %i\n", main_thread_id,
a4221917	134	sceKernelGetThreadCurrentPriority());
1820b5a7	135
2445b7cb	136	thid = sceKernelCreateThread("update_thread", callback_thread, 0x11, 0xFA0, 0, NULL);
1820b5a7	137	if (thid >= 0)
	138	{
	139	sceKernelStartThread(thid, 0, 0);
	140	}
	141
	142	/* video */
	143	sceDisplaySetMode(0, 480, 272);
9112b6ce	144	sceDisplaySetFrameBuf(VRAM_FB1, 512, PSP_DISPLAY_PIXEL_FORMAT_565, PSP_DISPLAY_SETBUF_NEXTFRAME);
1820b5a7	145	current_screen = 1;
9112b6ce	146	psp_screen = VRAM_FB0;
1820b5a7	147
	148	/* gu */
	149	sceGuInit();
	150
9112b6ce	151	sceGuStart(GU_DIRECT, guCmdList);
8ab3e3c1	152	sceGuDrawBuffer(GU_PSM_5650, (void *)VRAMOFFS_FB0, 512);
8ab3e3c1	153	sceGuDispBuffer(480, 272, (void *)VRAMOFFS_FB1, 512); // don't care
9112b6ce	154	sceGuClear(GU_COLOR_BUFFER_BIT \| GU_DEPTH_BUFFER_BIT);
8ab3e3c1	155	sceGuDepthBuffer((void *)VRAMOFFS_DEPTH, 512);
9112b6ce	156	sceGuOffset(2048 - (480 / 2), 2048 - (272 / 2));
	157	sceGuViewport(2048, 2048, 480, 272);
	158	sceGuDepthRange(0xc350, 0x2710);
	159	sceGuScissor(0, 0, 480, 272);
	160	sceGuEnable(GU_SCISSOR_TEST);
9112b6ce	161
	162	sceGuDepthMask(0xffff);
	163	sceGuDisable(GU_DEPTH_TEST);
	164
	165	sceGuFrontFace(GU_CW);
9112b6ce	166	sceGuEnable(GU_TEXTURE_2D);
9112b6ce	167	sceGuTexFunc(GU_TFX_REPLACE, GU_TCC_RGB);
8ab3e3c1	168	sceGuAmbientColor(0xffffffff);
8ab3e3c1	169	sceGuColor(0xffffffff);
9112b6ce	170	sceGuFinish();
	171	sceGuSync(0, 0);
	172
	173	sceDisplayWaitVblankStart();
	174	sceGuDisplay(GU_TRUE);
	175
	176
1820b5a7	177	/* input */
1820b5a7	178	sceCtrlSetSamplingCycle(0);
9caf44b5	179	sceCtrlSetSamplingMode(PSP_CTRL_MODE_ANALOG);
1820b5a7	180	}
	181
	182	void psp_finish(void)
	183	{
aefb65bc	184	lprintf("psp_finish..\n");
1820b5a7	185	sceGuTerm();
	186
	187	//sceKernelSleepThread();
	188	sceKernelExitGame();
	189	}
	190
7d4906bf	191	void psp_video_flip(int wait_vsync)
1820b5a7	192	{
7d4906bf	193	if (wait_vsync) sceDisplayWaitVblankStart();
70357ce5	194	sceDisplaySetFrameBuf(psp_screen, 512, PSP_DISPLAY_PIXEL_FORMAT_565,
70357ce5	195	wait_vsync ? PSP_DISPLAY_SETBUF_IMMEDIATE : PSP_DISPLAY_SETBUF_NEXTFRAME);
1820b5a7	196	current_screen ^= 1;
9112b6ce	197	psp_screen = current_screen ? VRAM_FB0 : VRAM_FB1;
7d4906bf	198	}
	199
	200	void *psp_video_get_active_fb(void)
	201	{
9112b6ce	202	return current_screen ? VRAM_FB1 : VRAM_FB0;
1820b5a7	203	}
	204
	205	void psp_video_switch_to_single(void)
	206	{
9112b6ce	207	psp_screen = VRAM_FB0;
1820b5a7	208	sceDisplaySetFrameBuf(psp_screen, 512, PSP_DISPLAY_PIXEL_FORMAT_565, PSP_DISPLAY_SETBUF_NEXTFRAME);
	209	current_screen = 0;
	210	}
	211
	212	void psp_msleep(int ms)
	213	{
	214	sceKernelDelayThread(ms * 1000);
	215	}
	216
7d4906bf	217	unsigned int psp_pad_read(int blocking)
1820b5a7	218	{
9caf44b5	219	unsigned int buttons;
1820b5a7	220	SceCtrlData pad;
7d4906bf	221	if (blocking)
	222	sceCtrlReadBufferPositive(&pad, 1);
	223	else sceCtrlPeekBufferPositive(&pad, 1);
9caf44b5	224	buttons = pad.Buttons;
	225
	226	// analog..
	227	buttons &= ~(BTN_NUB_UP\|BTN_NUB_DOWN\|BTN_NUB_LEFT\|BTN_NUB_RIGHT);
	228	if (pad.Lx < 128 - ANALOG_DEADZONE) buttons \|= BTN_NUB_LEFT;
	229	if (pad.Lx > 128 + ANALOG_DEADZONE) buttons \|= BTN_NUB_RIGHT;
	230	if (pad.Ly < 128 - ANALOG_DEADZONE) buttons \|= BTN_NUB_UP;
	231	if (pad.Ly > 128 + ANALOG_DEADZONE) buttons \|= BTN_NUB_DOWN;
1820b5a7	232
9caf44b5	233	return buttons;
1820b5a7	234	}
1820b5a7	235
70357ce5	236	int psp_get_cpu_clock(void)
	237	{
	238	return scePowerGetCpuClockFrequencyInt();
	239	}
	240
	241	int psp_set_cpu_clock(int clock)
	242	{
	243	int ret = scePowerSetClockFrequency(clock, clock, clock/2);
	244	if (ret != 0) lprintf("failed to set clock: %i\n", ret);
	245
	246	return ret;
	247	}
	248
9caf44b5	249	char *psp_get_status_line(void)
	250	{
	251	static char buff[64];
	252	int ret, bat_percent, bat_time;
	253	pspTime time;
	254
	255	ret = sceRtcGetCurrentClockLocalTime(&time);
	256	bat_percent = scePowerGetBatteryLifePercent();
	257	bat_time = scePowerGetBatteryLifeTime();
	258	if (ret < 0 \|\| bat_percent < 0 \|\| bat_time < 0) return NULL;
	259
	260	snprintf(buff, sizeof(buff), "%02i:%02i bat: %3i%%", time.hour, time.minutes, bat_percent);
	261	if (!scePowerIsPowerOnline())
	262	snprintf(buff+strlen(buff), sizeof(buff)-strlen(buff), " (%i:%02i)", bat_time/60, bat_time%60);
	263	return buff;
	264	}
	265
7d0143a2	266	void psp_wait_suspend(void)
	267	{
	268	// probably should do something smarter here?
	269	sceDisplayWaitVblankStart();
	270	}
	271
ea08c296	272	void psp_resume_suspend(void)
	273	{
	274	// for some reason file IO doesn't seem to work
	275	// after resume for some period of time, at least on 1.5
	276	SceUID fd;
	277	int i;
	278	for (i = 0; i < 30; i++) {
2b1f0e25	279	fd = sceIoOpen("EBOOT.PBP", PSP_O_RDONLY, 0777);
	280	if (fd >= 0) break;
	281	sceKernelDelayThread(100 * 1024);
ea08c296	282	}
	283	if (fd >= 0) sceIoClose(fd);
	284	sceDisplayWaitVblankStart();
ea08c296	285	if (i < 30)
2b1f0e25	286	lprintf("io resumed after %i tries\n", i);
	287	else {
	288	lprintf("io resume failed with %08x\n", fd);
	289	sceKernelDelayThread(500 * 1024);
	290	}
ea08c296	291	}
ea08c296	292
7d4906bf	293	/* alt logging */
110df09c	294	#define LOG_FILE "log.txt"
110df09c	295
c6196c0f	296	#ifndef LPRINTF_STDIO
110df09c	297	typedef struct _log_entry
	298	{
	299	char buff[256];
	300	struct _log_entry *next;
	301	} log_entry;
7d4906bf	302
110df09c	303	static log_entry *le_root = NULL;
c6196c0f	304	#endif
9caf44b5	305
052c0f86	306	/* strange: if this function leaks memory (before psp_init() call?),
052c0f86	307	* resume after suspend breaks on 3.90 */
7d0143a2	308	void lprintf(const char *fmt, ...)
7d4906bf	309	{
7d4906bf	310	va_list vl;
110df09c	311
	312	#ifdef LPRINTF_STDIO
	313	va_start(vl, fmt);
	314	vprintf(fmt, vl);
	315	va_end(vl);
	316	#else
	317	static SceUID logfd = -1;
ea08c296	318	static int msg_count = 0;
7d4906bf	319	char buff[256];
110df09c	320	log_entry le, le1;
7d4906bf	321
9caf44b5	322	if (logfd == -2) return; // disabled
9caf44b5	323
110df09c	324	va_start(vl, fmt);
	325	vsnprintf(buff, sizeof(buff), fmt, vl);
	326	va_end(vl);
	327
	328	// note: this is still unsafe code
	329	if (main_thread_id != sceKernelGetThreadId())
7d4906bf	330	{
110df09c	331	le = malloc(sizeof(*le));
	332	if (le == NULL) return;
	333	le->next = NULL;
	334	strcpy(le->buff, buff);
	335	if (le_root == NULL) le_root = le;
	336	else {
	337	for (le1 = le_root; le1->next != NULL; le1 = le1->next);
	338	le1->next = le;
9caf44b5	339	}
110df09c	340	return;
7d4906bf	341	}
7d4906bf	342
110df09c	343	logfd = sceIoOpen(LOG_FILE, PSP_O_WRONLY\|PSP_O_APPEND, 0777);
110df09c	344	if (logfd < 0) {
ea08c296	345	if (msg_count == 0) logfd = -2;
110df09c	346	return;
	347	}
	348
	349	if (le_root != NULL)
	350	{
	351	le1 = le_root;
	352	le_root = NULL;
	353	sceKernelDelayThread(1000);
	354	while (le1 != NULL) {
	355	le = le1;
	356	le1 = le->next;
	357	sceIoWrite(logfd, le->buff, strlen(le->buff));
	358	free(le);
ea08c296	359	msg_count++;
110df09c	360	}
110df09c	361	}
7d4906bf	362
7d4906bf	363	sceIoWrite(logfd, buff, strlen(buff));
ea08c296	364	msg_count++;
9caf44b5	365
	366	// make sure it gets flushed
	367	sceIoClose(logfd);
	368	logfd = -1;
110df09c	369	#endif
7d4906bf	370	}
	371
	372