[libpicofe.git] / 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 &= ~(PBTN_NUB_UP|PBTN_NUB_DOWN|PBTN_NUB_LEFT|PBTN_NUB_RIGHT);
	if (pad.Lx < 128 - ANALOG_DEADZONE) buttons |= PBTN_NUB_LEFT;
	if (pad.Lx > 128 + ANALOG_DEADZONE) buttons |= PBTN_NUB_RIGHT;
	if (pad.Ly < 128 - ANALOG_DEADZONE) buttons |= PBTN_NUB_UP;
	if (pad.Ly > 128 + ANALOG_DEADZONE) buttons |= PBTN_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
63b796ca	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
703e4c7b	6	#include <stdio.h>
fe9e3b25	7	#include <stdlib.h>
703e4c7b	8	#include <stdarg.h>
703e4c7b	9	#include <string.h>
677b5dd8	10	#include <unistd.h>
703e4c7b	11
2951214e	12	#include <pspkernel.h>
703e4c7b	13	#include <pspiofilemgr.h>
2951214e	14	#include <pspdisplay.h>
2b90fc61	15	#include <psppower.h>
16e89bed	16	#include <psprtc.h>
2951214e	17	#include <pspgu.h>
93c0d147	18	#include <pspsdk.h>
2951214e	19
2951214e	20	#include "psp.h"
5ecedd0c	21	#include "emu.h"
2951214e	22	#include "../common/lprintf.h"
4b811a8a	23	#include "version.h"
2951214e	24
93c0d147	25	extern int pico_main(void);
	26
	27	#ifndef FW15
	28
dfa8d77a	29	PSP_MODULE_INFO("PicoDrive", 0, 1, 51);
fe9e3b25	30	PSP_HEAP_SIZE_MAX();
2951214e	31
93c0d147	32	int main() { return pico_main(); } /* just a wrapper */
	33
	34	#else
	35
dfa8d77a	36	PSP_MODULE_INFO("PicoDrive", 0x1000, 1, 51);
93c0d147	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);
f060b8b9	49	#ifndef GCOV
93c0d147	50	sceKernelExitDeleteThread(0);
f060b8b9	51	#else
	52	while (engineState != PGS_Quit)
	53	sceKernelDelayThread(1024 * 1024);
	54	#endif
93c0d147	55
	56	return 0;
	57	}
	58
	59	#endif
	60
dfa8d77a	61	int psp_unhandled_suspend = 0;
dfa8d77a	62
db298784	63	unsigned int __attribute__((aligned(16))) guCmdList[GU_CMDLIST_SIZE];
	64
	65	void *psp_screen = VRAM_FB0;
677b5dd8	66
2951214e	67	static int current_screen = 0; /* front bufer */
2951214e	68
fe9e3b25	69	static SceUID main_thread_id = -1;
fe9e3b25	70
16e89bed	71	#define ANALOG_DEADZONE 80
2951214e	72
	73	/* Exit callback */
	74	static int exit_callback(int arg1, int arg2, void *common)
	75	{
	76	sceKernelExitGame();
	77	return 0;
	78	}
	79
5ecedd0c	80	/* Power Callback */
	81	static int power_callback(int unknown, int pwrflags, void *common)
	82	{
426ecc58	83	lprintf("power_callback: flags: 0x%08X\n", pwrflags);
426ecc58	84
5ecedd0c	85	/* check for power switch and suspending as one is manual and the other automatic */
426ecc58	86	if (pwrflags & PSP_POWER_CB_POWER_SWITCH \|\| pwrflags & PSP_POWER_CB_SUSPENDING \|\| pwrflags & PSP_POWER_CB_STANDBY)
5ecedd0c	87	{
dfa8d77a	88	psp_unhandled_suspend = 1;
	89	if (engineState != PGS_Suspending)
	90	engineStateSuspend = engineState;
	91	sceKernelDelayThread(100000); // ??
5ecedd0c	92	}
426ecc58	93	else if (pwrflags & PSP_POWER_CB_RESUME_COMPLETE)
677b5dd8	94	{
dfa8d77a	95	engineState = PGS_SuspendWake;
677b5dd8	96	}
426ecc58	97
93c0d147	98	//sceDisplayWaitVblankStart();
5ecedd0c	99	return 0;
	100	}
	101
2951214e	102	/* Callback thread */
	103	static int callback_thread(SceSize args, void *argp)
	104	{
	105	int cbid;
	106
a6df06b7	107	lprintf("callback_thread started with id %08x, priority %i\n",
0953046b	108	sceKernelGetThreadId(), sceKernelGetThreadCurrentPriority());
2951214e	109
	110	cbid = sceKernelCreateCallback("Exit Callback", exit_callback, NULL);
	111	sceKernelRegisterExitCallback(cbid);
5ecedd0c	112	cbid = sceKernelCreateCallback("Power Callback", power_callback, NULL);
5ecedd0c	113	scePowerRegisterCallback(0, cbid);
2951214e	114
	115	sceKernelSleepThreadCB();
	116
	117	return 0;
	118	}
	119
	120	void psp_init(void)
	121	{
0953046b	122	SceUID thid;
677b5dd8	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);
2951214e	128
fe9e3b25	129	main_thread_id = sceKernelGetThreadId();
fe9e3b25	130
4b811a8a	131	lprintf("\n%s\n", "PicoDrive v" VERSION " " __DATE__ " " __TIME__);
fe9e3b25	132	lprintf("running on %08x kernel\n", sceKernelDevkitVersion()),
fe9e3b25	133	lprintf("entered psp_init, threadId %08x, priority %i\n", main_thread_id,
0953046b	134	sceKernelGetThreadCurrentPriority());
2951214e	135
93c0d147	136	thid = sceKernelCreateThread("update_thread", callback_thread, 0x11, 0xFA0, 0, NULL);
2951214e	137	if (thid >= 0)
	138	{
	139	sceKernelStartThread(thid, 0, 0);
	140	}
	141
	142	/* video */
	143	sceDisplaySetMode(0, 480, 272);
db298784	144	sceDisplaySetFrameBuf(VRAM_FB1, 512, PSP_DISPLAY_PIXEL_FORMAT_565, PSP_DISPLAY_SETBUF_NEXTFRAME);
2951214e	145	current_screen = 1;
db298784	146	psp_screen = VRAM_FB0;
2951214e	147
	148	/* gu */
	149	sceGuInit();
	150
db298784	151	sceGuStart(GU_DIRECT, guCmdList);
6f748c47	152	sceGuDrawBuffer(GU_PSM_5650, (void *)VRAMOFFS_FB0, 512);
6f748c47	153	sceGuDispBuffer(480, 272, (void *)VRAMOFFS_FB1, 512); // don't care
db298784	154	sceGuClear(GU_COLOR_BUFFER_BIT \| GU_DEPTH_BUFFER_BIT);
6f748c47	155	sceGuDepthBuffer((void *)VRAMOFFS_DEPTH, 512);
db298784	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);
db298784	161
	162	sceGuDepthMask(0xffff);
	163	sceGuDisable(GU_DEPTH_TEST);
	164
	165	sceGuFrontFace(GU_CW);
db298784	166	sceGuEnable(GU_TEXTURE_2D);
db298784	167	sceGuTexFunc(GU_TFX_REPLACE, GU_TCC_RGB);
6f748c47	168	sceGuAmbientColor(0xffffffff);
6f748c47	169	sceGuColor(0xffffffff);
db298784	170	sceGuFinish();
	171	sceGuSync(0, 0);
	172
	173	sceDisplayWaitVblankStart();
	174	sceGuDisplay(GU_TRUE);
	175
	176
2951214e	177	/* input */
2951214e	178	sceCtrlSetSamplingCycle(0);
16e89bed	179	sceCtrlSetSamplingMode(PSP_CTRL_MODE_ANALOG);
2951214e	180	}
	181
	182	void psp_finish(void)
	183	{
117f236a	184	lprintf("psp_finish..\n");
2951214e	185	sceGuTerm();
	186
	187	//sceKernelSleepThread();
	188	sceKernelExitGame();
	189	}
	190
703e4c7b	191	void psp_video_flip(int wait_vsync)
2951214e	192	{
703e4c7b	193	if (wait_vsync) sceDisplayWaitVblankStart();
2b90fc61	194	sceDisplaySetFrameBuf(psp_screen, 512, PSP_DISPLAY_PIXEL_FORMAT_565,
2b90fc61	195	wait_vsync ? PSP_DISPLAY_SETBUF_IMMEDIATE : PSP_DISPLAY_SETBUF_NEXTFRAME);
2951214e	196	current_screen ^= 1;
db298784	197	psp_screen = current_screen ? VRAM_FB0 : VRAM_FB1;
703e4c7b	198	}
	199
	200	void *psp_video_get_active_fb(void)
	201	{
db298784	202	return current_screen ? VRAM_FB1 : VRAM_FB0;
2951214e	203	}
	204
	205	void psp_video_switch_to_single(void)
	206	{
db298784	207	psp_screen = VRAM_FB0;
2951214e	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
703e4c7b	217	unsigned int psp_pad_read(int blocking)
2951214e	218	{
16e89bed	219	unsigned int buttons;
2951214e	220	SceCtrlData pad;
703e4c7b	221	if (blocking)
	222	sceCtrlReadBufferPositive(&pad, 1);
	223	else sceCtrlPeekBufferPositive(&pad, 1);
16e89bed	224	buttons = pad.Buttons;
	225
	226	// analog..
b3972d82	227	buttons &= ~(PBTN_NUB_UP\|PBTN_NUB_DOWN\|PBTN_NUB_LEFT\|PBTN_NUB_RIGHT);
	228	if (pad.Lx < 128 - ANALOG_DEADZONE) buttons \|= PBTN_NUB_LEFT;
	229	if (pad.Lx > 128 + ANALOG_DEADZONE) buttons \|= PBTN_NUB_RIGHT;
	230	if (pad.Ly < 128 - ANALOG_DEADZONE) buttons \|= PBTN_NUB_UP;
	231	if (pad.Ly > 128 + ANALOG_DEADZONE) buttons \|= PBTN_NUB_DOWN;
2951214e	232
16e89bed	233	return buttons;
2951214e	234	}
2951214e	235
2b90fc61	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
16e89bed	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
426ecc58	266	void psp_wait_suspend(void)
	267	{
	268	// probably should do something smarter here?
	269	sceDisplayWaitVblankStart();
	270	}
	271
677b5dd8	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++) {
8fc24df1	279	fd = sceIoOpen("EBOOT.PBP", PSP_O_RDONLY, 0777);
	280	if (fd >= 0) break;
	281	sceKernelDelayThread(100 * 1024);
677b5dd8	282	}
	283	if (fd >= 0) sceIoClose(fd);
	284	sceDisplayWaitVblankStart();
677b5dd8	285	if (i < 30)
8fc24df1	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	}
677b5dd8	291	}
677b5dd8	292
703e4c7b	293	/* alt logging */
fe9e3b25	294	#define LOG_FILE "log.txt"
fe9e3b25	295
c6334564	296	#ifndef LPRINTF_STDIO
fe9e3b25	297	typedef struct _log_entry
	298	{
	299	char buff[256];
	300	struct _log_entry *next;
	301	} log_entry;
703e4c7b	302
fe9e3b25	303	static log_entry *le_root = NULL;
c6334564	304	#endif
16e89bed	305
4b811a8a	306	/* strange: if this function leaks memory (before psp_init() call?),
4b811a8a	307	* resume after suspend breaks on 3.90 */
426ecc58	308	void lprintf(const char *fmt, ...)
703e4c7b	309	{
703e4c7b	310	va_list vl;
fe9e3b25	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;
677b5dd8	318	static int msg_count = 0;
703e4c7b	319	char buff[256];
fe9e3b25	320	log_entry le, le1;
703e4c7b	321
16e89bed	322	if (logfd == -2) return; // disabled
16e89bed	323
fe9e3b25	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())
703e4c7b	330	{
fe9e3b25	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;
16e89bed	339	}
fe9e3b25	340	return;
703e4c7b	341	}
703e4c7b	342
fe9e3b25	343	logfd = sceIoOpen(LOG_FILE, PSP_O_WRONLY\|PSP_O_APPEND, 0777);
fe9e3b25	344	if (logfd < 0) {
677b5dd8	345	if (msg_count == 0) logfd = -2;
fe9e3b25	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);
677b5dd8	359	msg_count++;
fe9e3b25	360	}
fe9e3b25	361	}
703e4c7b	362
703e4c7b	363	sceIoWrite(logfd, buff, strlen(buff));
677b5dd8	364	msg_count++;
16e89bed	365
	366	// make sure it gets flushed
	367	sceIoClose(logfd);
	368	logfd = -1;
fe9e3b25	369	#endif
703e4c7b	370	}
	371
	372