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source: soft/giet_vm/giet_libs/stdio.c @ 632

Last change on this file since 632 was 628, checked in by alain, 9 years ago

Introduce two new system calls:

giet_kill_application()
giet_exec_application()

Property svn:executable set to *

File size: 32.8 KB

Rev	Line
[521]	1	//////////////////////////////////////////////////////////////////////////////
[258]	2	// File : stdio.c
	3	// Date : 01/04/2010
	4	// Author : alain greiner & Joel Porquet
	5	// Copyright (c) UPMC-LIP6
[521]	6	//////////////////////////////////////////////////////////////////////////////
[258]	7
	8	#include <stdarg.h>
	9	#include <stdio.h>
[267]	10	#include <giet_config.h>
[258]	11
[521]	12	//////////////////////////////////////////////////////////////////////////////
	13	///////////////////// MIPS32 related system calls ///////////////////////
	14	//////////////////////////////////////////////////////////////////////////////
[390]	15
[438]	16	////////////////////////////////////////////
[431]	17	void giet_proc_xyp( unsigned int* cluster_x,
	18	unsigned int* cluster_y,
	19	unsigned int* lpid )
[390]	20	{
[438]	21	sys_call( SYSCALL_PROC_XYP,
[431]	22	(unsigned int)cluster_x,
	23	(unsigned int)cluster_y,
	24	(unsigned int)lpid,
	25	0 );
[390]	26	}
	27
[438]	28	////////////////////////////
	29	unsigned int giet_proctime()
[390]	30	{
[438]	31	return (unsigned int)sys_call( SYSCALL_PROC_TIME,
	32	0, 0, 0, 0 );
[390]	33	}
	34
[438]	35	////////////////////////
	36	unsigned int giet_rand()
[390]	37	{
[438]	38	unsigned int x = (unsigned int)sys_call( SYSCALL_PROC_TIME,
	39	0, 0, 0, 0);
[390]	40	if ((x & 0xF) > 7)
	41	{
	42	return (x*x & 0xFFFF);
	43	}
	44	else
	45	{
	46	return (xxx & 0xFFFF);
	47	}
	48	}
	49
[521]	50	//////////////////////////////////////////////////////////////////////////////
	51	///////////////////// Task context system calls /////////////////////////////
	52	//////////////////////////////////////////////////////////////////////////////
[438]	53
	54	////////////////////////////////
	55	unsigned int giet_proc_task_id()
	56	{
	57	return (unsigned int)sys_call( SYSCALL_LOCAL_TASK_ID,
	58	0, 0, 0, 0 );
	59	}
	60
	61	//////////////////////////////////
	62	unsigned int giet_global_task_id()
	63	{
	64	return (unsigned int)sys_call( SYSCALL_GLOBAL_TASK_ID,
	65	0, 0, 0, 0 );
	66	}
	67
	68	/////////////////////////////
	69	unsigned int giet_thread_id()
	70	{
	71	return (unsigned int)sys_call( SYSCALL_THREAD_ID,
	72	0, 0, 0, 0 );
	73	}
	74
	75
[521]	76	//////////////////////////////////////////////////////////////////////////////
	77	///////////////////// Coprocessors system calls ////////////////////////////
	78	//////////////////////////////////////////////////////////////////////////////
[295]	79
[521]	80	///////////////////////////////////////////////////
	81	void giet_coproc_alloc( unsigned int coproc_type,
[558]	82	unsigned int* coproc_info )
[521]	83	{
	84	if ( sys_call( SYSCALL_COPROC_ALLOC,
	85	coproc_type,
	86	(unsigned int)coproc_info,
[558]	87	0, 0 ) )
[521]	88	giet_exit("error in giet_coproc_alloc()");
	89	}
	90
[558]	91	/////////////////////////////////////////////////////////
	92	void giet_coproc_release( unsigned int coproc_reg_index )
[521]	93	{
	94	if ( sys_call( SYSCALL_COPROC_RELEASE,
[558]	95	coproc_reg_index,
[521]	96	0, 0, 0 ) )
	97	giet_exit("error in giet_coproc_release()");
	98	}
	99
	100	//////////////////////////////////////////////////////////////////
[558]	101	void giet_coproc_channel_init( unsigned int channel,
[521]	102	giet_coproc_channel_t* desc )
	103	{
	104	if ( sys_call( SYSCALL_COPROC_CHANNEL_INIT,
	105	channel,
	106	(unsigned int)desc,
	107	0, 0 ) )
[558]	108	giet_exit("error in giet_coproc_channel_init()");
[521]	109	}
	110
[558]	111	/////////////////////////////////////////////////////
	112	void giet_coproc_run( unsigned int coproc_reg_index )
[521]	113	{
[558]	114	if ( sys_call( SYSCALL_COPROC_RUN,
	115	coproc_reg_index,
	116	0, 0, 0 ) )
	117	giet_exit("error in giet_coproc_run()");
[521]	118	}
	119
[558]	120	////////////////////////////
	121	void giet_coproc_completed()
[521]	122	{
	123	if ( sys_call( SYSCALL_COPROC_COMPLETED,
[558]	124	0, 0, 0, 0 ) )
[521]	125	giet_exit("error in giet_coproc_completed");
	126	}
	127
	128
	129	//////////////////////////////////////////////////////////////////////////////
	130	///////////////////// TTY device related system calls ///////////////////////
	131	//////////////////////////////////////////////////////////////////////////////
	132
[438]	133	/////////////////////
	134	void giet_tty_alloc()
[258]	135	{
[521]	136	if ( sys_call( SYSCALL_TTY_ALLOC,
	137	0, 0, 0, 0 ) ) giet_exit("error in giet_tty_alloc()");
[438]	138	}
[258]	139
[438]	140	////////////////////////////////////////////////////////////////////////
	141	static int __printf( char* format, unsigned int channel, va_list* args)
	142	{
	143	int ret; // return value from the syscall
[580]	144	enum TModifiers {NO_MOD, L_MOD, LL_MOD} modifiers;
[438]	145
[295]	146	printf_text:
[258]	147
[295]	148	while (*format)
[258]	149	{
[295]	150	unsigned int i;
	151	for (i = 0 ; format[i] && (format[i] != '%') ; i++);
	152	if (i)
	153	{
	154	ret = sys_call(SYSCALL_TTY_WRITE,
	155	(unsigned int)format,
	156	i,
	157	channel,
[258]	158	0);
	159
[295]	160	if (ret != i) goto return_error;
	161
	162	format += i;
[258]	163	}
[295]	164	if (*format == '%')
[258]	165	{
[295]	166	format++;
[580]	167	modifiers = NO_MOD;
[295]	168	goto printf_arguments;
[258]	169	}
	170	}
	171
[345]	172	return 0;
[295]	173
	174	printf_arguments:
	175
[258]	176	{
[628]	177	char buf[30];
	178	char * pbuf;
	179	unsigned int len = 0;
[295]	180	static const char HexaTab[] = "0123456789ABCDEF";
[628]	181	unsigned int i;
[580]	182
	183	/* Ignored fields : width and precision */
	184	for (; format >= '0' && format <= '9'; format++);
[258]	185
[295]	186	switch (*format++)
[258]	187	{
[580]	188	case ('%'):
[295]	189	case ('c'): /* char conversion */
[258]	190	{
[345]	191	int val = va_arg( *args, int );
[588]	192	if (modifiers != NO_MOD) goto return_error; // Modifiers have no meaning
[580]	193
[295]	194	len = 1;
	195	buf[0] = val;
	196	pbuf = &buf[0];
	197	break;
[258]	198	}
[580]	199	case ('d'): /* decimal signed integer */
[258]	200	{
[345]	201	int val = va_arg( *args, int );
[580]	202
[588]	203	if (modifiers == LL_MOD) goto return_error; // 64 bits not supported
[580]	204
[295]	205	if (val < 0)
	206	{
	207	val = -val;
	208	ret = sys_call(SYSCALL_TTY_WRITE,
	209	(unsigned int)"-",
	210	1,
	211	channel,
	212	0);
	213	if (ret != 1) goto return_error;
	214	}
	215	for(i = 0; i < 10; i++)
	216	{
	217	buf[9 - i] = HexaTab[val % 10];
	218	if (!(val /= 10)) break;
	219	}
	220	len = i + 1;
	221	pbuf = &buf[9 - i];
	222	break;
[258]	223	}
[580]	224	case ('u'): /* decimal unsigned integer */
[295]	225	{
[580]	226	if (modifiers != LL_MOD) //32 bits integer
[295]	227	{
[580]	228	unsigned int val = va_arg( *args, unsigned int );
	229	for(i = 0; i < 10; i++)
	230	{
	231	buf[9 - i] = HexaTab[val % 10];
	232	if (!(val /= 10)) break;
	233	}
	234	len = i + 1;
	235	pbuf = &buf[9 - i];
	236	break;
[295]	237	}
[580]	238	//64 bits : base 10 unsupported : continue to hexa
[295]	239	}
[580]	240	case ('x'):
	241	case ('X'): /* hexadecimal integer */
[295]	242	{
[580]	243	unsigned long long val;
	244	int imax;
	245
[628]	246	if (modifiers == LL_MOD) // 64 bits
[295]	247	{
[580]	248	val = va_arg( *args, unsigned long long);
	249
[628]	250	// if asked to print in base 10, can do only if it fits in 32 bits
	251	if (*(format-1) == 'u' && (!(val & 0xFFFFFFFF00000000ULL)))
[580]	252	{
	253	unsigned int uintv = (unsigned int) val;
	254
	255	for(i = 0; i < 10; i++)
	256	{
	257	buf[9 - i] = HexaTab[uintv % 10];
	258	if (!(uintv /= 10)) break;
	259	}
	260	len = i + 1;
	261	pbuf = &buf[9 - i];
	262	break;
	263	}
	264
	265	imax = 16;
[295]	266	}
[580]	267	else //32 bits
	268	{
	269	val = va_arg( *args, unsigned int);
	270	imax = 8;
	271	}
	272
[295]	273	ret = sys_call(SYSCALL_TTY_WRITE,
	274	(unsigned int)"0x",
	275	2,
	276	channel,
	277	0);
	278	if (ret != 2) goto return_error;
[580]	279
	280	for(i = 0; i < imax; i++)
[295]	281	{
[580]	282	buf[(imax-1) - i] = HexaTab[val % 16];
[295]	283	if (!(val /= 16)) break;
	284	}
	285	len = i + 1;
[580]	286	pbuf = &buf[(imax-1) - i];
[295]	287	break;
	288	}
	289	case ('s'): /* string */
	290	{
[345]	291	char* str = va_arg( args, char );
[580]	292
[588]	293	if (modifiers != NO_MOD) goto return_error; // Modifiers have no meaning
[580]	294
[295]	295	while (str[len])
	296	{
	297	len++;
	298	}
	299	pbuf = str;
	300	break;
	301	}
[580]	302	case ('e'):
	303	case ('f'):
	304	case ('g'): /* IEEE754 64 bits */
	305	{
	306
	307	double vald = va_arg( *args, double);
	308
	309	unsigned long long
	310	val = (unsigned long long)&vald, //get ieee754 without conversion
[628]	311	digits = val & 0xFFFFFFFFFFFFFULL; //get mantissa
[580]	312
	313	unsigned int
[628]	314	base = (unsigned int)((val & 0x7FF0000000000000ULL) >> 52), //get exposant
[580]	315	intp = (unsigned int)vald, //get integer part of the float
	316	decp;
	317
	318	int isvalue = 0;
	319
	320	if (base == 0x7FF) //special value
	321	{
[628]	322	if (digits & 0xFFFFFFFFFFFFFULL)
[580]	323	{
	324	/* Not a Number */
	325	buf[0] = 'N';
	326	buf[1] = 'a';
	327	buf[2] = 'N';
	328	len = 3;
	329	pbuf = buf;
	330	}
	331	else
	332	{
	333	/* inf */
[628]	334	buf[0] = (val & 0x8000000000000000ULL) ? '-' : '+';
[580]	335	buf[1] = 'i';
	336	buf[2] = 'n';
	337	buf[3] = 'f';
	338	len = 4;
	339	pbuf = buf;
	340	}
	341	break;
	342	}
	343
[628]	344	if (val & 0x8000000000000000ULL)
[580]	345	{
	346	/* negative */
	347	ret = sys_call(SYSCALL_TTY_WRITE,
	348	(unsigned int)"-",
	349	1,
	350	channel,
	351	0);
	352	if (ret != 1) goto return_error;
	353	vald = vald * -1;
	354	}
	355	else
	356	{
	357	/* positive */
	358	ret = sys_call(SYSCALL_TTY_WRITE,
	359	(unsigned int)"+",
	360	1,
	361	channel,
	362	0);
	363	if (ret != 1) goto return_error;
	364	}
	365
	366	if (vald > 0xFFFFFFFF)
	367	{
	368	/* overflow */
	369	buf[0] = 'B';
	370	buf[1] = 'I';
	371	buf[2] = 'G';
	372	len = 3;
	373	pbuf = buf;
	374	break;
	375	}
	376
	377	vald -= (double)intp;
[581]	378	decp = (unsigned int)(vald * 1000000000);
[580]	379
	380	for(i = 0; i < 10; i++)
	381	{
	382	if ((!isvalue) && (intp % 10)) isvalue = 1;
	383	buf[9 - i] = HexaTab[intp % 10];
	384	if (!(intp /= 10)) break;
	385	}
	386	pbuf = &buf[9 - i];
	387	len = i+11;
	388	buf[10] = '.';
	389
	390	for(i = 0; i < 9; i++)
	391	{
	392	if ((!isvalue) && (decp % 10)) isvalue = 1;
	393	buf[19 - i] = HexaTab[decp % 10];
	394	decp /= 10;
	395	}
	396
	397	if (!isvalue)
	398	{
	399	if (vald != 0)
	400	{
	401	/* underflow */
	402	buf[0] = 'T';
	403	buf[1] = 'I';
	404	buf[2] = 'N';
	405	buf[3] = 'Y';
	406	len = 4;
	407	pbuf = buf;
	408	}
	409	}
	410
	411	break;
	412	}
	413	case ('l'):
	414	switch (modifiers)
	415	{
	416	case NO_MOD:
	417	modifiers = L_MOD;
	418	goto printf_arguments;
	419
	420	case L_MOD:
	421	modifiers = LL_MOD;
	422	goto printf_arguments;
	423
	424	default:
	425	goto return_error;
	426	}
	427
	428	/* Ignored fields : width and precision */
	429	case ('.'): goto printf_arguments;
	430
[295]	431	default:
	432	goto return_error;
[258]	433	}
	434
[295]	435	ret = sys_call(SYSCALL_TTY_WRITE,
	436	(unsigned int)pbuf,
	437	len,
	438	channel,
	439	0);
	440	if (ret != len) goto return_error;
	441
	442	goto printf_text;
[258]	443	}
	444
[295]	445	return_error:
[345]	446	return 1;
	447	} // end __printf()
[295]	448
[345]	449
	450	////////////////////////////////////////
	451	void giet_tty_printf( char* format, ...)
	452	{
	453	va_list args;
	454
	455	va_start( args, format );
	456	int ret = __printf(format, 0xFFFFFFFF, &args);
[295]	457	va_end( args );
[345]	458
	459	if (ret)
	460	{
[382]	461	giet_exit("ERROR in giet_tty_printf()");
[345]	462	}
[295]	463	} // end giet_tty_printf()
	464
	465	////////////////////////////////////////
	466	void giet_shr_printf( char* format, ...)
[258]	467	{
[295]	468	va_list args;
[345]	469	volatile unsigned int sr_save;
[258]	470
[295]	471	sys_call( SYSCALL_TTY_GET_LOCK,
[501]	472	0,
[295]	473	(unsigned int)&sr_save,
	474	0, 0 );
	475
[345]	476	va_start( args, format );
[501]	477	int ret = __printf(format, 0, &args);
[345]	478	va_end( args );
[258]	479
[295]	480	sys_call( SYSCALL_TTY_RELEASE_LOCK,
[501]	481	0,
[295]	482	(unsigned int)&sr_save,
	483	0, 0 );
[267]	484
[345]	485	if (ret)
[258]	486	{
[345]	487	giet_exit("error in giet_shr_printf()");
[258]	488	}
[345]	489	} // end giet_shr_printf()
[267]	490
[295]	491	/////////////////////////////////
	492	void giet_tty_getc( char * byte )
	493	{
	494	int ret;
	495
	496	do
[267]	497	{
[295]	498	ret = sys_call(SYSCALL_TTY_READ,
	499	(unsigned int)byte, // buffer address
	500	1, // number of characters
	501	0xFFFFFFFF, // channel index from task context
	502	0);
	503	if ( ret < 0 ) giet_exit("error in giet_tty_getc()");
[267]	504	}
[295]	505	while (ret != 1);
	506	}
[267]	507
[295]	508	/////////////////////////////////////
	509	void giet_tty_gets( char* buf,
	510	unsigned int bufsize )
	511	{
	512	int ret;
	513	unsigned char byte;
	514	unsigned int index = 0;
	515
	516	while (index < (bufsize - 1))
	517	{
	518	do
	519	{
	520	ret = sys_call(SYSCALL_TTY_READ,
	521	(unsigned int)(&byte),
	522	1,
	523	0xFFFFFFFF,
	524	0);
	525	if ( ret < 0 ) giet_exit("error in giet_tty_gets()");
	526	}
	527	while (ret != 1);
	528
	529	if (byte == 0x0A) /* LF */
	530	{
	531	break;
	532	}
	533	else if ((byte == 0x7F) && (index > 0)) /* DEL */
	534	{
	535	index--;
	536	}
	537	else
	538	{
	539	buf[index] = byte;
	540	index++;
	541	}
	542	}
	543	buf[index] = 0;
[258]	544	}
	545
[295]	546	///////////////////////////////////////
	547	void giet_tty_getw( unsigned int* val )
	548	{
	549	unsigned char buf[32];
	550	unsigned int string_byte = 0x00000000; // string containing one single byte
	551	unsigned int string_cancel = 0x00082008; // string containing BS/SPACE/BS
	552	unsigned int save = 0;
	553	unsigned int dec = 0;
	554	unsigned int done = 0;
	555	unsigned int overflow = 0;
	556	unsigned int length = 0;
	557	unsigned int i;
	558	unsigned int channel = 0xFFFFFFFF;
	559	int ret; // return value from syscalls
	560
	561	// get characters
	562	while (done == 0)
	563	{
	564	// read one character
	565	do
	566	{
	567	ret = sys_call( SYSCALL_TTY_READ,
	568	(unsigned int)(&string_byte),
	569	1,
	570	channel,
	571	0);
	572	if ( ret < 0 ) giet_exit("error in giet_tty_getw()");
	573	}
	574	while (ret != 1);
[258]	575
[295]	576	// analyse character
	577	if ((string_byte > 0x2F) && (string_byte < 0x3A)) /* decimal character */
	578	{
	579	buf[length] = (unsigned char)string_byte;
	580	length++;
[258]	581
[295]	582	// echo
	583	ret = sys_call( SYSCALL_TTY_WRITE,
	584	(unsigned int)(&string_byte),
	585	1,
	586	channel,
	587	0 );
	588	if ( ret < 0 ) giet_exit("error in giet_tty_gets()");
	589	}
	590	else if (string_byte == 0x0A) /* LF character */
	591	{
	592	done = 1;
	593	}
	594	else if ( (string_byte == 0x7F) \|\| /* DEL character */
	595	(string_byte == 0x08) ) /* BS character */
	596	{
	597	if ( length > 0 )
	598	{
	599	length--; // cancel the character
	600
	601	ret = sys_call( SYSCALL_TTY_WRITE,
	602	(unsigned int)(&string_cancel),
	603	3,
	604	channel,
	605	0 );
[352]	606	if ( ret < 0 ) giet_exit("error in giet_tty_getw()");
[295]	607	}
	608	}
	609
	610	// test buffer overflow
	611	if ( length >= 32 )
	612	{
	613	overflow = 1;
	614	done = 1;
	615	}
	616	} // end while characters
	617
	618	// string to int conversion with overflow detection
	619	if ( overflow == 0 )
	620	{
	621	for (i = 0; (i < length) && (overflow == 0) ; i++)
	622	{
	623	dec = dec * 10 + (buf[i] - 0x30);
	624	if (dec < save) overflow = 1;
	625	save = dec;
	626	}
	627	}
	628
	629	// final evaluation
	630	if ( overflow == 0 )
	631	{
	632	// return value
	633	*val = dec;
	634	}
	635	else
	636	{
	637	// cancel all echo characters
	638	for (i = 0; i < length ; i++)
	639	{
	640	ret = sys_call( SYSCALL_TTY_WRITE,
	641	(unsigned int)(&string_cancel),
	642	3,
	643	channel,
	644	0 );
[352]	645	if ( ret < 0 ) giet_exit("error in giet_tty_getw()");
[295]	646	}
	647	// echo character '0'
	648	string_byte = 0x30;
	649	ret = sys_call( SYSCALL_TTY_WRITE,
	650	(unsigned int)(&string_byte),
	651	1,
	652	channel,
	653	0 );
[352]	654	if ( ret < 0 ) giet_exit("error in giet_tty_getw()");
[295]	655
	656	// return 0 value
	657	*val = 0;
	658	}
	659	}
	660
	661
[258]	662	//////////////////////////////////////////////////////////////////////////////////
	663	///////////////////// TIMER related system calls ////////////////////////////////
	664	//////////////////////////////////////////////////////////////////////////////////
	665
[295]	666	///////////////////////
[438]	667	void giet_timer_alloc()
[258]	668	{
[438]	669	if ( sys_call( SYSCALL_TIM_ALLOC,
	670	0, 0, 0, 0 ) ) giet_exit("error in giet_timer_alloc()");
[258]	671	}
[295]	672
[438]	673	////////////////////////////////////////////
	674	void giet_timer_start( unsigned int period )
	675	{
	676	if ( sys_call( SYSCALL_TIM_START,
	677	period,
	678	0, 0, 0 ) ) giet_exit("error in giet_timer_start()");
	679	}
	680
[295]	681	//////////////////////
	682	void giet_timer_stop()
[258]	683	{
[438]	684	if ( sys_call( SYSCALL_TIM_STOP,
	685	0, 0, 0, 0 ) ) giet_exit("error in giet_timer_stop()");
[258]	686	}
	687
	688
	689	//////////////////////////////////////////////////////////////////////////////////
	690	/////////////// Frame buffer device related system calls ///////////////////////
	691	//////////////////////////////////////////////////////////////////////////////////
	692
[438]	693	/////////////////////////
	694	void giet_fbf_cma_alloc()
[258]	695	{
[438]	696	if ( sys_call( SYSCALL_FBF_CMA_ALLOC,
	697	0, 0, 0, 0 ) ) giet_exit("error in giet_fbf_cma_alloc()");
[258]	698	}
[295]	699
	700	///////////////////////////////////////////
[614]	701	void giet_fbf_cma_init_buf( void* buf0_vbase,
	702	void* buf1_vbase,
	703	void* sts0_vaddr,
	704	void* sts1_vaddr )
[258]	705	{
[614]	706	if ( sys_call( SYSCALL_FBF_CMA_INIT_BUF,
	707	(unsigned int)buf0_vbase,
	708	(unsigned int)buf1_vbase,
	709	(unsigned int)sts0_vaddr,
	710	(unsigned int)sts1_vaddr ) ) giet_exit("error in giet_fbf_cma_init_buf()");
	711	}
	712
	713	///////////////////////////////////////////
	714	void giet_fbf_cma_start( unsigned int length )
	715	{
[438]	716	if ( sys_call( SYSCALL_FBF_CMA_START,
[614]	717	length,
	718	0, 0, 0 ) ) giet_exit("error in giet_fbf_cma_start()");
[258]	719	}
[295]	720
[438]	721	////////////////////////////////////////////////
	722	void giet_fbf_cma_display( unsigned int buffer )
[258]	723	{
[438]	724	if ( sys_call( SYSCALL_FBF_CMA_DISPLAY,
	725	buffer,
	726	0, 0, 0 ) ) giet_exit("error in giet_fbf_cma_display()");
[258]	727	}
[295]	728
	729	////////////////////////
[438]	730	void giet_fbf_cma_stop()
[258]	731	{
[438]	732	if ( sys_call( SYSCALL_FBF_CMA_STOP,
	733	0, 0, 0, 0 ) ) giet_exit("error in giet_fbf_cma_stop()");
[258]	734	}
	735
[438]	736	//////////////////////////////////////////////
	737	void giet_fbf_sync_write( unsigned int offset,
	738	void * buffer,
	739	unsigned int length )
	740	{
	741	if ( sys_call( SYSCALL_FBF_SYNC_WRITE,
	742	offset,
	743	(unsigned int)buffer,
	744	length,
	745	0 ) ) giet_exit("error in giet_fbf_sync_write()");
	746	}
[258]	747
[438]	748	/////////////////////////////////////////////
	749	void giet_fbf_sync_read( unsigned int offset,
	750	void * buffer,
	751	unsigned int length )
	752	{
	753	if ( sys_call( SYSCALL_FBF_SYNC_READ,
	754	offset,
	755	(unsigned int)buffer,
	756	length,
	757	0 ) ) giet_exit("error in giet_fbf_sync_read()");
	758	}
	759
	760
[258]	761	//////////////////////////////////////////////////////////////////////////////////
	762	/////////////////////// NIC related system calls /////////////////////////////////
	763	//////////////////////////////////////////////////////////////////////////////////
	764
[501]	765	////////////////////////////////////////////////////
	766	unsigned int giet_nic_rx_alloc( unsigned int xmax,
	767	unsigned int ymax )
[258]	768	{
[461]	769	int channel = sys_call( SYSCALL_NIC_ALLOC,
	770	1,
[501]	771	xmax,
	772	ymax,
	773	0 );
[487]	774	if ( channel < 0 ) giet_exit("error in giet_nic_rx_alloc()");
[461]	775
[487]	776	return (unsigned int)channel;
[258]	777	}
[295]	778
[501]	779	////////////////////////////////////////////////////
	780	unsigned int giet_nic_tx_alloc( unsigned int xmax,
	781	unsigned int ymax )
[258]	782	{
[461]	783	int channel = sys_call( SYSCALL_NIC_ALLOC,
[501]	784	0,
	785	xmax,
	786	ymax,
	787	0 );
[461]	788	if ( channel < 0 ) giet_exit("error in giet_nic_tx_alloc()");
	789
[487]	790	return (unsigned int)channel;
[450]	791	}
	792
[487]	793	//////////////////////////////////////////////
	794	void giet_nic_rx_start( unsigned int channel )
[450]	795	{
[461]	796	if ( sys_call( SYSCALL_NIC_START,
	797	1,
[487]	798	channel,
	799	0, 0 ) ) giet_exit("error in giet_nic_rx_start()");
[450]	800	}
	801
[487]	802	//////////////////////////////////////////////
	803	void giet_nic_tx_start( unsigned int channel )
[450]	804	{
[461]	805	if ( sys_call( SYSCALL_NIC_START,
	806	0,
[487]	807	channel,
	808	0, 0 ) ) giet_exit("error in giet_nic_tx_start()");
[450]	809	}
	810
[461]	811	///////////////////////////////////////////////////////////
	812	void giet_nic_rx_move( unsigned int channel, void* buffer )
[450]	813	{
[461]	814	if ( sys_call( SYSCALL_NIC_MOVE,
	815	1,
	816	channel,
[438]	817	(unsigned int)buffer,
[461]	818	0 ) ) giet_exit("error in giet_nic_rx_move()");
[258]	819	}
	820
[461]	821	///////////////////////////////////////////////////////////
	822	void giet_nic_tx_move( unsigned int channel, void* buffer )
[438]	823	{
[461]	824	if ( sys_call( SYSCALL_NIC_MOVE,
	825	0,
	826	channel,
[438]	827	(unsigned int)buffer,
[461]	828	0 ) ) giet_exit("error in giet_nic_tx_move()");
[438]	829	}
	830
[487]	831	/////////////////////////////////////////////
	832	void giet_nic_rx_stop( unsigned int channel )
[450]	833	{
[461]	834	if ( sys_call( SYSCALL_NIC_STOP,
	835	1,
[487]	836	channel,
	837	0, 0 ) ) giet_exit("error in giet_nic_rx_stop()");
[450]	838	}
	839
[487]	840	/////////////////////////////////////////////
	841	void giet_nic_tx_stop( unsigned int channel )
[450]	842	{
[461]	843	if ( sys_call( SYSCALL_NIC_STOP,
	844	0,
[487]	845	channel,
	846	0, 0 ) ) giet_exit("error in giet_nic_tx_stop()");
[450]	847	}
	848
[487]	849	//////////////////////////////////////////////
	850	void giet_nic_rx_stats( unsigned int channel )
[461]	851	{
	852	if ( sys_call( SYSCALL_NIC_STATS,
	853	1,
[487]	854	channel,
	855	0, 0 ) ) giet_exit("error in giet_nic_rx_stats()");
[461]	856	}
[450]	857
[487]	858	//////////////////////////////////////////////
	859	void giet_nic_tx_stats( unsigned int channel )
[461]	860	{
	861	if ( sys_call( SYSCALL_NIC_STATS,
	862	0,
[487]	863	channel,
	864	0, 0 ) ) giet_exit("error in giet_nic_tx_stats()");
[461]	865	}
	866
[487]	867	//////////////////////////////////////////////
	868	void giet_nic_rx_clear( unsigned int channel )
[461]	869	{
	870	if ( sys_call( SYSCALL_NIC_CLEAR,
	871	1,
[487]	872	channel,
	873	0, 0 ) ) giet_exit("error in giet_nic_rx_clear()");
[461]	874	}
	875
[487]	876	//////////////////////////////////////////////
	877	void giet_nic_tx_clear( unsigned int channel )
[461]	878	{
	879	if ( sys_call( SYSCALL_NIC_CLEAR,
	880	0,
[487]	881	channel,
	882	0, 0 ) ) giet_exit("error in giet_nic_tx_clear()");
[461]	883	}
	884
	885
	886
[295]	887	///////////////////////////////////////////////////////////////////////////////////
	888	///////////////////// FAT related system calls ////////////////////////////////////
	889	///////////////////////////////////////////////////////////////////////////////////
[258]	890
[588]	891	/////////////////////////////////////////
	892	int giet_fat_open( char* pathname,
	893	unsigned int flags )
[295]	894	{
[588]	895	return sys_call( SYSCALL_FAT_OPEN,
	896	(unsigned int)pathname,
	897	flags,
	898	0, 0 );
[295]	899	}
[258]	900
[588]	901	/////////////////////////////////////////
	902	int giet_fat_close( unsigned int fd_id )
[295]	903	{
[588]	904	return sys_call( SYSCALL_FAT_CLOSE,
	905	fd_id,
	906	0, 0, 0 );
[295]	907	}
	908
[588]	909	/////////////////////////////////////////////
[623]	910	int giet_fat_file_info( unsigned int fd_id,
	911	struct fat_file_info_s* info )
[295]	912	{
[588]	913	return sys_call( SYSCALL_FAT_FINFO,
	914	fd_id,
[623]	915	(unsigned int)info,
	916	0, 0 );
[295]	917	}
	918
[588]	919	///////////////////////////////////////
	920	int giet_fat_read( unsigned int fd_id,
	921	void* buffer,
	922	unsigned int count )
	923	{
	924	return sys_call( SYSCALL_FAT_READ,
	925	fd_id,
	926	(unsigned int)buffer,
	927	count,
	928	0 );
	929	}
	930
	931	////////////////////////////////////////
	932	int giet_fat_write( unsigned int fd_id,
[295]	933	void* buffer,
[588]	934	unsigned int count )
[258]	935	{
[295]	936	return sys_call( SYSCALL_FAT_WRITE,
[588]	937	fd_id,
[295]	938	(unsigned int)buffer,
[588]	939	count,
	940	0 );
[258]	941	}
[295]	942
[588]	943	////////////////////////////////////////
	944	int giet_fat_lseek( unsigned int fd_id,
[295]	945	unsigned int offset,
	946	unsigned int whence )
[258]	947	{
[588]	948	return sys_call( SYSCALL_FAT_LSEEK,
	949	fd_id,
	950	offset,
	951	whence,
	952	0 );
[258]	953	}
[295]	954
[588]	955	////////////////////////////////////////////
	956	int giet_fat_remove( char* pathname,
	957	unsigned int should_be_dir )
[258]	958	{
[588]	959	return sys_call( SYSCALL_FAT_REMOVE,
	960	(unsigned int)pathname,
	961	should_be_dir,
	962	0, 0 );
[258]	963	}
[295]	964
	965	/////////////////////////////////////
[588]	966	int giet_fat_rename( char* old_path,
	967	char* new_path )
[258]	968	{
[588]	969	return sys_call( SYSCALL_FAT_RENAME,
	970	(unsigned int)old_path,
	971	(unsigned int)new_path,
	972	0, 0 );
[258]	973	}
[295]	974
[588]	975	////////////////////////////////////
	976	int giet_fat_mkdir( char* pathname )
	977	{
	978	return sys_call( SYSCALL_FAT_MKDIR,
	979	(unsigned int)pathname,
	980	0, 0, 0 );
	981	}
[295]	982
[588]	983	/////////////////////////////////////
	984	int giet_fat_list( char* pathname )
	985	{
	986	return sys_call( SYSCALL_FAT_LIST,
	987	(unsigned int)pathname,
	988	0, 0, 0 );
	989	}
[295]	990
	991
[588]	992
[390]	993	//////////////////////////////////////////////////////////////////////////////////
	994	///////////////////// Miscellaneous system calls /////////////////////////////////
	995	//////////////////////////////////////////////////////////////////////////////////
	996
[295]	997	//////////////////////////////
	998	void giet_exit( char* string )
[258]	999	{
[295]	1000	sys_call( SYSCALL_EXIT,
	1001	(unsigned int)string,
	1002	0, 0, 0 );
[258]	1003	}
[295]	1004
[628]	1005	//////////////////////////////
	1006	void giet_kill( char* name )
	1007	{
	1008	sys_call( SYSCALL_KILL_APP,
	1009	(unsigned int)name,
	1010	0, 0, 0 );
	1011	}
	1012
	1013	//////////////////////////////
	1014	void giet_exec( char* name )
	1015	{
	1016	sys_call( SYSCALL_EXIT,
	1017	(unsigned int)name,
	1018	0, 0, 0 );
	1019	}
	1020
[295]	1021	/////////////////////////////////////////
	1022	void giet_assert( unsigned int condition,
	1023	char* string )
[258]	1024	{
[295]	1025	if ( condition == 0 ) giet_exit( string );
[258]	1026	}
[295]	1027
[390]	1028	//////////////////////////
	1029	void giet_context_switch()
	1030	{
	1031	sys_call( SYSCALL_CTX_SWITCH,
	1032	0, 0, 0, 0 );
	1033	}
	1034
[501]	1035	/////////////////////////////////////////////////
	1036	void giet_procs_number( unsigned int* x_size,
	1037	unsigned int* y_size,
	1038	unsigned int* nprocs )
[438]	1039	{
[501]	1040	if ( sys_call( SYSCALL_PROCS_NUMBER,
	1041	(unsigned int)x_size,
	1042	(unsigned int)y_size,
	1043	(unsigned int)nprocs,
	1044	0 ) ) giet_exit("ERROR in giet_procs_number()");
[438]	1045	}
	1046
[295]	1047	////////////////////////////////////////////////////
	1048	void giet_vobj_get_vbase( char* vspace_name,
	1049	char* vobj_name,
[438]	1050	unsigned int* vbase )
[258]	1051	{
[295]	1052	if ( sys_call( SYSCALL_VOBJ_GET_VBASE,
	1053	(unsigned int) vspace_name,
	1054	(unsigned int) vobj_name,
[438]	1055	(unsigned int) vbase,
[390]	1056	0 ) ) giet_exit("ERROR in giet_vobj_get_vbase()");
[258]	1057	}
[260]	1058
[438]	1059	////////////////////////////////////////////////////
	1060	void giet_vobj_get_length( char* vspace_name,
	1061	char* vobj_name,
	1062	unsigned int* length )
[260]	1063	{
[438]	1064	if ( sys_call( SYSCALL_VOBJ_GET_LENGTH,
	1065	(unsigned int) vspace_name,
	1066	(unsigned int) vobj_name,
	1067	(unsigned int) length,
	1068	0 ) ) giet_exit("ERROR in giet_vobj_get_length()");
[260]	1069	}
	1070
[295]	1071	/////////////////////////////////////////
	1072	void giet_heap_info( unsigned int* vaddr,
[368]	1073	unsigned int* length,
	1074	unsigned int x,
	1075	unsigned int y )
[258]	1076	{
[295]	1077	if ( sys_call( SYSCALL_HEAP_INFO,
	1078	(unsigned int)vaddr,
	1079	(unsigned int)length,
[368]	1080	x,
[390]	1081	y ) ) giet_exit("ERROR in giet_heap_info()");
[258]	1082	}
	1083
[390]	1084	/////////////////////////////////////////
	1085	void giet_get_xy( void* ptr,
	1086	unsigned int* px,
	1087	unsigned int* py )
	1088	{
	1089	if ( sys_call( SYSCALL_GET_XY,
	1090	(unsigned int)ptr,
	1091	(unsigned int)px,
	1092	(unsigned int)py,
	1093	0 ) ) giet_exit("ERROR in giet_get_xy()");
	1094	}
	1095
[258]	1096	// Local Variables:
	1097	// tab-width: 4
	1098	// c-basic-offset: 4
	1099	// c-file-offsets:((innamespace . 0)(inline-open . 0))
	1100	// indent-tabs-mode: nil
	1101	// End:
	1102	// vim: filetype=c:expandtab:shiftwidth=4:tabstop=4:softtabstop=4
	1103

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