[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"

extern int pico_main(void);

#ifndef FW15

PSP_MODULE_INFO("PicoDrive", 0, 1, 40);
PSP_HEAP_SIZE_MAX();

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

#else

PSP_MODULE_INFO("PicoDrive", 0x1000, 1, 40);
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;

	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) {
			old_state = engineState;
			engineState = PGS_Suspending;
		}
	}
	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("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

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"
2951214e	23
93c0d147	24	extern int pico_main(void);
	25
	26	#ifndef FW15
	27
bf7e9c61	28	PSP_MODULE_INFO("PicoDrive", 0, 1, 40);
fe9e3b25	29	PSP_HEAP_SIZE_MAX();
2951214e	30
93c0d147	31	int main() { return pico_main(); } /* just a wrapper */
	32
	33	#else
	34
bf7e9c61	35	PSP_MODULE_INFO("PicoDrive", 0x1000, 1, 40);
93c0d147	36	PSP_MAIN_THREAD_ATTR(0);
	37
	38	int main()
	39	{
	40	SceUID thid;
	41
	42	/* this is the thing we need the kernel mode for */
	43	pspSdkInstallNoDeviceCheckPatch();
	44
	45	thid = sceKernelCreateThread("pico_main", (SceKernelThreadEntry) pico_main, 32, 0x2000, PSP_THREAD_ATTR_USER, NULL);
	46	if (thid >= 0)
	47	sceKernelStartThread(thid, 0, 0);
f060b8b9	48	#ifndef GCOV
93c0d147	49	sceKernelExitDeleteThread(0);
f060b8b9	50	#else
	51	while (engineState != PGS_Quit)
	52	sceKernelDelayThread(1024 * 1024);
	53	#endif
93c0d147	54
	55	return 0;
	56	}
	57
	58	#endif
	59
db298784	60	unsigned int __attribute__((aligned(16))) guCmdList[GU_CMDLIST_SIZE];
	61
	62	void *psp_screen = VRAM_FB0;
677b5dd8	63	int psp_unhandled_suspend = 0;
677b5dd8	64
2951214e	65	static int current_screen = 0; /* front bufer */
2951214e	66
fe9e3b25	67	static SceUID main_thread_id = -1;
fe9e3b25	68
16e89bed	69	#define ANALOG_DEADZONE 80
2951214e	70
	71	/* Exit callback */
	72	static int exit_callback(int arg1, int arg2, void *common)
	73	{
	74	sceKernelExitGame();
	75	return 0;
	76	}
	77
5ecedd0c	78	/* Power Callback */
	79	static int power_callback(int unknown, int pwrflags, void *common)
	80	{
426ecc58	81	static int old_state = PGS_Menu;
	82
	83	lprintf("power_callback: flags: 0x%08X\n", pwrflags);
	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	{
426ecc58	88	if (engineState != PGS_Suspending) {
	89	old_state = engineState;
	90	engineState = PGS_Suspending;
	91	}
5ecedd0c	92	}
426ecc58	93	else if (pwrflags & PSP_POWER_CB_RESUME_COMPLETE)
677b5dd8	94	{
426ecc58	95	engineState = old_state;
677b5dd8	96	psp_unhandled_suspend = 1;
677b5dd8	97	}
426ecc58	98
93c0d147	99	//sceDisplayWaitVblankStart();
5ecedd0c	100	return 0;
	101	}
	102
2951214e	103	/* Callback thread */
	104	static int callback_thread(SceSize args, void *argp)
	105	{
	106	int cbid;
	107
a6df06b7	108	lprintf("callback_thread started with id %08x, priority %i\n",
0953046b	109	sceKernelGetThreadId(), sceKernelGetThreadCurrentPriority());
2951214e	110
	111	cbid = sceKernelCreateCallback("Exit Callback", exit_callback, NULL);
	112	sceKernelRegisterExitCallback(cbid);
5ecedd0c	113	cbid = sceKernelCreateCallback("Power Callback", power_callback, NULL);
5ecedd0c	114	scePowerRegisterCallback(0, cbid);
2951214e	115
	116	sceKernelSleepThreadCB();
	117
	118	return 0;
	119	}
	120
	121	void psp_init(void)
	122	{
0953046b	123	SceUID thid;
677b5dd8	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);
2951214e	129
fe9e3b25	130	main_thread_id = sceKernelGetThreadId();
	131
	132	lprintf("running on %08x kernel\n", sceKernelDevkitVersion()),
	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..
	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;
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();
	285	psp_unhandled_suspend = 0;
	286	if (i < 30)
8fc24df1	287	lprintf("io resumed after %i tries\n", i);
	288	else {
	289	lprintf("io resume failed with %08x\n", fd);
	290	sceKernelDelayThread(500 * 1024);
	291	}
677b5dd8	292	}
677b5dd8	293
703e4c7b	294	/* alt logging */
fe9e3b25	295	#define LOG_FILE "log.txt"
fe9e3b25	296
c6334564	297	#ifndef LPRINTF_STDIO
fe9e3b25	298	typedef struct _log_entry
	299	{
	300	char buff[256];
	301	struct _log_entry *next;
	302	} log_entry;
703e4c7b	303
fe9e3b25	304	static log_entry *le_root = NULL;
c6334564	305	#endif
16e89bed	306
426ecc58	307	void lprintf(const char *fmt, ...)
703e4c7b	308	{
703e4c7b	309	va_list vl;
fe9e3b25	310
	311	#ifdef LPRINTF_STDIO
	312	va_start(vl, fmt);
	313	vprintf(fmt, vl);
	314	va_end(vl);
	315	#else
	316	static SceUID logfd = -1;
677b5dd8	317	static int msg_count = 0;
703e4c7b	318	char buff[256];
fe9e3b25	319	log_entry le, le1;
703e4c7b	320
16e89bed	321	if (logfd == -2) return; // disabled
16e89bed	322
fe9e3b25	323	va_start(vl, fmt);
	324	vsnprintf(buff, sizeof(buff), fmt, vl);
	325	va_end(vl);
	326
	327	// note: this is still unsafe code
	328	if (main_thread_id != sceKernelGetThreadId())
703e4c7b	329	{
fe9e3b25	330	le = malloc(sizeof(*le));
	331	if (le == NULL) return;
	332	le->next = NULL;
	333	strcpy(le->buff, buff);
	334	if (le_root == NULL) le_root = le;
	335	else {
	336	for (le1 = le_root; le1->next != NULL; le1 = le1->next);
	337	le1->next = le;
16e89bed	338	}
fe9e3b25	339	return;
703e4c7b	340	}
703e4c7b	341
fe9e3b25	342	logfd = sceIoOpen(LOG_FILE, PSP_O_WRONLY\|PSP_O_APPEND, 0777);
fe9e3b25	343	if (logfd < 0) {
677b5dd8	344	if (msg_count == 0) logfd = -2;
fe9e3b25	345	return;
	346	}
	347
	348	if (le_root != NULL)
	349	{
	350	le1 = le_root;
	351	le_root = NULL;
	352	sceKernelDelayThread(1000);
	353	while (le1 != NULL) {
	354	le = le1;
	355	le1 = le->next;
	356	sceIoWrite(logfd, le->buff, strlen(le->buff));
	357	free(le);
677b5dd8	358	msg_count++;
fe9e3b25	359	}
fe9e3b25	360	}
703e4c7b	361
703e4c7b	362	sceIoWrite(logfd, buff, strlen(buff));
677b5dd8	363	msg_count++;
16e89bed	364
	365	// make sure it gets flushed
	366	sceIoClose(logfd);
	367	logfd = -1;
fe9e3b25	368	#endif
703e4c7b	369	}
	370
	371