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

/*
 * PicoDrive
 * (C) notaz, 2007,2008
 *
 * This work is licensed under the terms of MAME license.
 * See COPYING file in the top-level directory.
 */
#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 <pico/pico_int.h>
#include "../common/emu.h"
#include "../common/version.h"

extern int pico_main(int argc, char *argv[]);

#ifndef FW15

PSP_MODULE_INFO("PicoDrive", 0, 1, 97);

int main(int argc, char *argv[]) { return pico_main(argc, argv); }	/* just a wrapper */

#else

PSP_MODULE_INFO("PicoDrive", 0x1000, 1, 97);
PSP_MAIN_THREAD_ATTR(0);

int main(int argc, char *argv[])
{
	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, argc, argv);
#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; /* back buffer */

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);
	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
	sceGuDepthBuffer((void *)VRAMOFFS_DEPTH, 512);
	sceGuClearColor(0);
	sceGuClearDepth(0);
	sceGuClear(GU_COLOR_BUFFER_BIT | GU_DEPTH_BUFFER_BIT);
	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,
		PSP_DISPLAY_SETBUF_IMMEDIATE);
	psp_screen = (void *)((unsigned long)psp_screen ^ (VRAMOFFS_FB1 ^ VRAMOFFS_FB0));
}

void *psp_video_get_active_fb(void)
{
	return (void *)((unsigned long)psp_screen ^ (VRAMOFFS_FB1 ^ VRAMOFFS_FB0));
}

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 &= ~(PSP_NUB_UP|PSP_NUB_DOWN|PSP_NUB_LEFT|PSP_NUB_RIGHT);
	if (pad.Lx < 128 - ANALOG_DEADZONE) buttons |= PSP_NUB_LEFT;
	if (pad.Lx > 128 + ANALOG_DEADZONE) buttons |= PSP_NUB_RIGHT;
	if (pad.Ly < 128 - ANALOG_DEADZONE) buttons |= PSP_NUB_UP;
	if (pad.Ly > 128 + ANALOG_DEADZONE) buttons |= PSP_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;
	ScePspDateTime 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.minute, 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
cff531af	1	/*
	2	* PicoDrive
	3	* (C) notaz, 2007,2008
	4	*
	5	* This work is licensed under the terms of MAME license.
	6	* See COPYING file in the top-level directory.
	7	*/
7d4906bf	8	#include <stdio.h>
110df09c	9	#include <stdlib.h>
7d4906bf	10	#include <stdarg.h>
7d4906bf	11	#include <string.h>
ea08c296	12	#include <unistd.h>
7d4906bf	13
1820b5a7	14	#include <pspkernel.h>
7d4906bf	15	#include <pspiofilemgr.h>
1820b5a7	16	#include <pspdisplay.h>
70357ce5	17	#include <psppower.h>
9caf44b5	18	#include <psprtc.h>
1820b5a7	19	#include <pspgu.h>
2445b7cb	20	#include <pspsdk.h>
1820b5a7	21
1820b5a7	22	#include "psp.h"
b542be46	23	#include "emu.h"
cdc6aac4	24
f821bb70	25	#include <pico/pico_int.h>
cdc6aac4	26	#include "../common/emu.h"
f821bb70	27	#include "../common/version.h"
1820b5a7	28
cdc6aac4	29	extern int pico_main(int argc, char *argv[]);
2445b7cb	30
	31	#ifndef FW15
	32
cdc6aac4	33	PSP_MODULE_INFO("PicoDrive", 0, 1, 97);
1820b5a7	34
cdc6aac4	35	int main(int argc, char argv[]) { return pico_main(argc, argv); } / just a wrapper */
2445b7cb	36
	37	#else
	38
cdc6aac4	39	PSP_MODULE_INFO("PicoDrive", 0x1000, 1, 97);
2445b7cb	40	PSP_MAIN_THREAD_ATTR(0);
2445b7cb	41
cdc6aac4	42	int main(int argc, char *argv[])
2445b7cb	43	{
	44	SceUID thid;
	45
	46	/* this is the thing we need the kernel mode for */
	47	pspSdkInstallNoDeviceCheckPatch();
	48
	49	thid = sceKernelCreateThread("pico_main", (SceKernelThreadEntry) pico_main, 32, 0x2000, PSP_THREAD_ATTR_USER, NULL);
	50	if (thid >= 0)
cdc6aac4	51	sceKernelStartThread(thid, argc, argv);
ff6b7429	52	#ifndef GCOV
2445b7cb	53	sceKernelExitDeleteThread(0);
ff6b7429	54	#else
	55	while (engineState != PGS_Quit)
	56	sceKernelDelayThread(1024 * 1024);
	57	#endif
2445b7cb	58
	59	return 0;
	60	}
	61
	62	#endif
	63
2b02d6e5	64	int psp_unhandled_suspend = 0;
2b02d6e5	65
9112b6ce	66	unsigned int __attribute__((aligned(16))) guCmdList[GU_CMDLIST_SIZE];
9112b6ce	67
d12dd1b4	68	void psp_screen = VRAM_FB0; / back buffer */
1820b5a7	69
110df09c	70	static SceUID main_thread_id = -1;
110df09c	71
9caf44b5	72	#define ANALOG_DEADZONE 80
1820b5a7	73
	74	/* Exit callback */
	75	static int exit_callback(int arg1, int arg2, void *common)
	76	{
	77	sceKernelExitGame();
	78	return 0;
	79	}
	80
b542be46	81	/* Power Callback */
	82	static int power_callback(int unknown, int pwrflags, void *common)
	83	{
7d0143a2	84	lprintf("power_callback: flags: 0x%08X\n", pwrflags);
7d0143a2	85
b542be46	86	/* check for power switch and suspending as one is manual and the other automatic */
7d0143a2	87	if (pwrflags & PSP_POWER_CB_POWER_SWITCH \|\| pwrflags & PSP_POWER_CB_SUSPENDING \|\| pwrflags & PSP_POWER_CB_STANDBY)
b542be46	88	{
2b02d6e5	89	psp_unhandled_suspend = 1;
	90	if (engineState != PGS_Suspending)
	91	engineStateSuspend = engineState;
	92	sceKernelDelayThread(100000); // ??
b542be46	93	}
7d0143a2	94	else if (pwrflags & PSP_POWER_CB_RESUME_COMPLETE)
ea08c296	95	{
2b02d6e5	96	engineState = PGS_SuspendWake;
ea08c296	97	}
7d0143a2	98
2445b7cb	99	//sceDisplayWaitVblankStart();
b542be46	100	return 0;
	101	}
	102
1820b5a7	103	/* Callback thread */
	104	static int callback_thread(SceSize args, void *argp)
	105	{
	106	int cbid;
	107
4b167c12	108	lprintf("callback_thread started with id %08x, priority %i\n",
a4221917	109	sceKernelGetThreadId(), sceKernelGetThreadCurrentPriority());
1820b5a7	110
	111	cbid = sceKernelCreateCallback("Exit Callback", exit_callback, NULL);
	112	sceKernelRegisterExitCallback(cbid);
b542be46	113	cbid = sceKernelCreateCallback("Power Callback", power_callback, NULL);
b542be46	114	scePowerRegisterCallback(0, cbid);
1820b5a7	115
	116	sceKernelSleepThreadCB();
	117
	118	return 0;
	119	}
	120
	121	void psp_init(void)
	122	{
a4221917	123	SceUID thid;
ea08c296	124	char buff[128], *r;
	125
	126	/* fw 1.5 sometimes returns 8002032c, although getcwd works */
	127	r = getcwd(buff, sizeof(buff));
	128	if (r) sceIoChdir(buff);
1820b5a7	129
110df09c	130	main_thread_id = sceKernelGetThreadId();
110df09c	131
052c0f86	132	lprintf("\n%s\n", "PicoDrive v" VERSION " " __DATE__ " " __TIME__);
110df09c	133	lprintf("running on %08x kernel\n", sceKernelDevkitVersion()),
110df09c	134	lprintf("entered psp_init, threadId %08x, priority %i\n", main_thread_id,
80bc2254	135	sceKernelGetThreadCurrentPriority());
1820b5a7	136
2445b7cb	137	thid = sceKernelCreateThread("update_thread", callback_thread, 0x11, 0xFA0, 0, NULL);
1820b5a7	138	if (thid >= 0)
	139	{
	140	sceKernelStartThread(thid, 0, 0);
	141	}
	142
	143	/* video */
	144	sceDisplaySetMode(0, 480, 272);
9112b6ce	145	sceDisplaySetFrameBuf(VRAM_FB1, 512, PSP_DISPLAY_PIXEL_FORMAT_565, PSP_DISPLAY_SETBUF_NEXTFRAME);
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
8ab3e3c1	154	sceGuDepthBuffer((void *)VRAMOFFS_DEPTH, 512);
48fc9762	155	sceGuClearColor(0);
48fc9762	156	sceGuClearDepth(0);
cdc6aac4	157	sceGuClear(GU_COLOR_BUFFER_BIT \| GU_DEPTH_BUFFER_BIT);
9112b6ce	158	sceGuOffset(2048 - (480 / 2), 2048 - (272 / 2));
	159	sceGuViewport(2048, 2048, 480, 272);
	160	sceGuDepthRange(0xc350, 0x2710);
	161	sceGuScissor(0, 0, 480, 272);
	162	sceGuEnable(GU_SCISSOR_TEST);
9112b6ce	163
	164	sceGuDepthMask(0xffff);
	165	sceGuDisable(GU_DEPTH_TEST);
	166
	167	sceGuFrontFace(GU_CW);
9112b6ce	168	sceGuEnable(GU_TEXTURE_2D);
9112b6ce	169	sceGuTexFunc(GU_TFX_REPLACE, GU_TCC_RGB);
8ab3e3c1	170	sceGuAmbientColor(0xffffffff);
8ab3e3c1	171	sceGuColor(0xffffffff);
9112b6ce	172	sceGuFinish();
	173	sceGuSync(0, 0);
	174
	175	sceDisplayWaitVblankStart();
	176	sceGuDisplay(GU_TRUE);
	177
	178
1820b5a7	179	/* input */
1820b5a7	180	sceCtrlSetSamplingCycle(0);
9caf44b5	181	sceCtrlSetSamplingMode(PSP_CTRL_MODE_ANALOG);
1820b5a7	182	}
	183
	184	void psp_finish(void)
	185	{
aefb65bc	186	lprintf("psp_finish..\n");
1820b5a7	187	sceGuTerm();
	188
	189	//sceKernelSleepThread();
	190	sceKernelExitGame();
	191	}
	192
d12dd1b4	193	void psp_video_flip(int wait_vsync)
1820b5a7	194	{
48fc9762	195	if (wait_vsync) sceDisplayWaitVblankStart();
d12dd1b4	196	sceDisplaySetFrameBuf(psp_screen, 512, PSP_DISPLAY_PIXEL_FORMAT_565,
48fc9762	197	PSP_DISPLAY_SETBUF_IMMEDIATE);
d12dd1b4	198	psp_screen = (void *)((unsigned long)psp_screen ^ (VRAMOFFS_FB1 ^ VRAMOFFS_FB0));
7d4906bf	199	}
	200
	201	void *psp_video_get_active_fb(void)
	202	{
d12dd1b4	203	return (void *)((unsigned long)psp_screen ^ (VRAMOFFS_FB1 ^ VRAMOFFS_FB0));
1820b5a7	204	}
	205
	206	void psp_msleep(int ms)
	207	{
	208	sceKernelDelayThread(ms * 1000);
	209	}
	210
7d4906bf	211	unsigned int psp_pad_read(int blocking)
1820b5a7	212	{
9caf44b5	213	unsigned int buttons;
1820b5a7	214	SceCtrlData pad;
7d4906bf	215	if (blocking)
	216	sceCtrlReadBufferPositive(&pad, 1);
	217	else sceCtrlPeekBufferPositive(&pad, 1);
9caf44b5	218	buttons = pad.Buttons;
	219
	220	// analog..
cdc6aac4	221	buttons &= ~(PSP_NUB_UP\|PSP_NUB_DOWN\|PSP_NUB_LEFT\|PSP_NUB_RIGHT);
	222	if (pad.Lx < 128 - ANALOG_DEADZONE) buttons \|= PSP_NUB_LEFT;
	223	if (pad.Lx > 128 + ANALOG_DEADZONE) buttons \|= PSP_NUB_RIGHT;
	224	if (pad.Ly < 128 - ANALOG_DEADZONE) buttons \|= PSP_NUB_UP;
	225	if (pad.Ly > 128 + ANALOG_DEADZONE) buttons \|= PSP_NUB_DOWN;
1820b5a7	226
9caf44b5	227	return buttons;
1820b5a7	228	}
1820b5a7	229
70357ce5	230	int psp_get_cpu_clock(void)
	231	{
	232	return scePowerGetCpuClockFrequencyInt();
	233	}
	234
	235	int psp_set_cpu_clock(int clock)
	236	{
	237	int ret = scePowerSetClockFrequency(clock, clock, clock/2);
	238	if (ret != 0) lprintf("failed to set clock: %i\n", ret);
	239
	240	return ret;
	241	}
	242
9caf44b5	243	char *psp_get_status_line(void)
	244	{
	245	static char buff[64];
	246	int ret, bat_percent, bat_time;
33bde0c3	247	ScePspDateTime time;
9caf44b5	248
	249	ret = sceRtcGetCurrentClockLocalTime(&time);
	250	bat_percent = scePowerGetBatteryLifePercent();
	251	bat_time = scePowerGetBatteryLifeTime();
	252	if (ret < 0 \|\| bat_percent < 0 \|\| bat_time < 0) return NULL;
	253
33bde0c3	254	snprintf(buff, sizeof(buff), "%02i:%02i bat: %3i%%", time.hour, time.minute, bat_percent);
9caf44b5	255	if (!scePowerIsPowerOnline())
	256	snprintf(buff+strlen(buff), sizeof(buff)-strlen(buff), " (%i:%02i)", bat_time/60, bat_time%60);
	257	return buff;
	258	}
	259
7d0143a2	260	void psp_wait_suspend(void)
	261	{
	262	// probably should do something smarter here?
	263	sceDisplayWaitVblankStart();
	264	}
	265
ea08c296	266	void psp_resume_suspend(void)
	267	{
	268	// for some reason file IO doesn't seem to work
	269	// after resume for some period of time, at least on 1.5
	270	SceUID fd;
	271	int i;
	272	for (i = 0; i < 30; i++) {
2b1f0e25	273	fd = sceIoOpen("EBOOT.PBP", PSP_O_RDONLY, 0777);
	274	if (fd >= 0) break;
	275	sceKernelDelayThread(100 * 1024);
ea08c296	276	}
	277	if (fd >= 0) sceIoClose(fd);
	278	sceDisplayWaitVblankStart();
ea08c296	279	if (i < 30)
2b1f0e25	280	lprintf("io resumed after %i tries\n", i);
	281	else {
	282	lprintf("io resume failed with %08x\n", fd);
	283	sceKernelDelayThread(500 * 1024);
	284	}
ea08c296	285	}
ea08c296	286
7d4906bf	287	/* alt logging */
110df09c	288	#define LOG_FILE "log.txt"
110df09c	289
c6196c0f	290	#ifndef LPRINTF_STDIO
110df09c	291	typedef struct _log_entry
	292	{
	293	char buff[256];
	294	struct _log_entry *next;
	295	} log_entry;
7d4906bf	296
110df09c	297	static log_entry *le_root = NULL;
c6196c0f	298	#endif
9caf44b5	299
052c0f86	300	/* strange: if this function leaks memory (before psp_init() call?),
052c0f86	301	* resume after suspend breaks on 3.90 */
7d0143a2	302	void lprintf(const char *fmt, ...)
7d4906bf	303	{
7d4906bf	304	va_list vl;
110df09c	305
	306	#ifdef LPRINTF_STDIO
	307	va_start(vl, fmt);
	308	vprintf(fmt, vl);
	309	va_end(vl);
	310	#else
	311	static SceUID logfd = -1;
ea08c296	312	static int msg_count = 0;
7d4906bf	313	char buff[256];
110df09c	314	log_entry le, le1;
7d4906bf	315
9caf44b5	316	if (logfd == -2) return; // disabled
9caf44b5	317
110df09c	318	va_start(vl, fmt);
	319	vsnprintf(buff, sizeof(buff), fmt, vl);
	320	va_end(vl);
	321
	322	// note: this is still unsafe code
	323	if (main_thread_id != sceKernelGetThreadId())
7d4906bf	324	{
110df09c	325	le = malloc(sizeof(*le));
	326	if (le == NULL) return;
	327	le->next = NULL;
	328	strcpy(le->buff, buff);
	329	if (le_root == NULL) le_root = le;
	330	else {
	331	for (le1 = le_root; le1->next != NULL; le1 = le1->next);
	332	le1->next = le;
9caf44b5	333	}
110df09c	334	return;
7d4906bf	335	}
7d4906bf	336
110df09c	337	logfd = sceIoOpen(LOG_FILE, PSP_O_WRONLY\|PSP_O_APPEND, 0777);
110df09c	338	if (logfd < 0) {
ea08c296	339	if (msg_count == 0) logfd = -2;
110df09c	340	return;
	341	}
	342
	343	if (le_root != NULL)
	344	{
	345	le1 = le_root;
	346	le_root = NULL;
	347	sceKernelDelayThread(1000);
	348	while (le1 != NULL) {
	349	le = le1;
	350	le1 = le->next;
	351	sceIoWrite(logfd, le->buff, strlen(le->buff));
	352	free(le);
ea08c296	353	msg_count++;
110df09c	354	}
110df09c	355	}
7d4906bf	356
7d4906bf	357	sceIoWrite(logfd, buff, strlen(buff));
ea08c296	358	msg_count++;
9caf44b5	359
	360	// make sure it gets flushed
	361	sceIoClose(logfd);
	362	logfd = -1;
110df09c	363	#endif
7d4906bf	364	}
	365
	366