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source: soft/giet_vm/giet_libs/stdio.c @ 704

Last change on this file since 704 was 689, checked in by alain, 9 years ago
Introduce the giet_tasks-status() syscall.
Property svn:executable set to ``*
File size: 34.8 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	//////////////////////////////////////////////////////////////////////////////
[647]	51	///////////////////// Task related system calls /////////////////////////////
[521]	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
[647]	75	//////////////////////////////
	76	void giet_exit( char* string )
	77	{
	78	sys_call( SYSCALL_EXIT,
	79	(unsigned int)string,
	80	0, 0, 0 );
	81	}
[438]	82
[647]	83	/////////////////////////////////////////
	84	void giet_assert( unsigned int condition,
	85	char* string )
	86	{
	87	if ( condition == 0 ) giet_exit( string );
	88	}
	89
	90	//////////////////////////
	91	void giet_context_switch()
	92	{
	93	sys_call( SYSCALL_CTX_SWITCH,
	94	0, 0, 0, 0 );
	95	}
	96
[689]	97	////////////////////////
	98	void giet_tasks_status()
	99	{
	100	sys_call( SYSCALL_TASKS_STATUS,
	101	0, 0, 0, 0 );
	102	}
	103
[521]	104	//////////////////////////////////////////////////////////////////////////////
[647]	105	///////////////////// Applications system calls /////////////////////////////
	106	//////////////////////////////////////////////////////////////////////////////
	107
	108	///////////////////////////////////////
	109	int giet_kill_application( char* name )
	110	{
	111	return ( sys_call( SYSCALL_KILL_APP,
	112	(unsigned int)name,
	113	0, 0, 0 ) );
	114	}
	115
	116	///////////////////////////////////////
	117	int giet_exec_application( char* name )
	118	{
	119	return ( sys_call( SYSCALL_EXEC_APP,
	120	(unsigned int)name,
	121	0, 0, 0 ) );
	122	}
	123
	124	//////////////////////////////////////////////////////////////////////////////
[521]	125	///////////////////// Coprocessors system calls ////////////////////////////
	126	//////////////////////////////////////////////////////////////////////////////
[295]	127
[521]	128	///////////////////////////////////////////////////
	129	void giet_coproc_alloc( unsigned int coproc_type,
[558]	130	unsigned int* coproc_info )
[521]	131	{
	132	if ( sys_call( SYSCALL_COPROC_ALLOC,
	133	coproc_type,
	134	(unsigned int)coproc_info,
[558]	135	0, 0 ) )
[521]	136	giet_exit("error in giet_coproc_alloc()");
	137	}
	138
[558]	139	/////////////////////////////////////////////////////////
	140	void giet_coproc_release( unsigned int coproc_reg_index )
[521]	141	{
	142	if ( sys_call( SYSCALL_COPROC_RELEASE,
[558]	143	coproc_reg_index,
[521]	144	0, 0, 0 ) )
	145	giet_exit("error in giet_coproc_release()");
	146	}
	147
	148	//////////////////////////////////////////////////////////////////
[558]	149	void giet_coproc_channel_init( unsigned int channel,
[521]	150	giet_coproc_channel_t* desc )
	151	{
	152	if ( sys_call( SYSCALL_COPROC_CHANNEL_INIT,
	153	channel,
	154	(unsigned int)desc,
	155	0, 0 ) )
[558]	156	giet_exit("error in giet_coproc_channel_init()");
[521]	157	}
	158
[558]	159	/////////////////////////////////////////////////////
	160	void giet_coproc_run( unsigned int coproc_reg_index )
[521]	161	{
[558]	162	if ( sys_call( SYSCALL_COPROC_RUN,
	163	coproc_reg_index,
	164	0, 0, 0 ) )
	165	giet_exit("error in giet_coproc_run()");
[521]	166	}
	167
[558]	168	////////////////////////////
	169	void giet_coproc_completed()
[521]	170	{
	171	if ( sys_call( SYSCALL_COPROC_COMPLETED,
[558]	172	0, 0, 0, 0 ) )
[521]	173	giet_exit("error in giet_coproc_completed");
	174	}
	175
	176
	177	//////////////////////////////////////////////////////////////////////////////
	178	///////////////////// TTY device related system calls ///////////////////////
	179	//////////////////////////////////////////////////////////////////////////////
	180
[671]	181	//////////////////////////////////////////
	182	void giet_tty_alloc( unsigned int shared )
[258]	183	{
[521]	184	if ( sys_call( SYSCALL_TTY_ALLOC,
[671]	185	shared,
	186	0, 0, 0 ) ) giet_exit("error in giet_tty_alloc()");
[438]	187	}
[258]	188
[438]	189	////////////////////////////////////////////////////////////////////////
	190	static int __printf( char* format, unsigned int channel, va_list* args)
	191	{
	192	int ret; // return value from the syscall
[580]	193	enum TModifiers {NO_MOD, L_MOD, LL_MOD} modifiers;
[438]	194
[295]	195	printf_text:
[258]	196
[295]	197	while (*format)
[258]	198	{
[295]	199	unsigned int i;
	200	for (i = 0 ; format[i] && (format[i] != '%') ; i++);
	201	if (i)
	202	{
	203	ret = sys_call(SYSCALL_TTY_WRITE,
	204	(unsigned int)format,
	205	i,
	206	channel,
[258]	207	0);
	208
[295]	209	if (ret != i) goto return_error;
	210
	211	format += i;
[258]	212	}
[295]	213	if (*format == '%')
[258]	214	{
[295]	215	format++;
[580]	216	modifiers = NO_MOD;
[295]	217	goto printf_arguments;
[258]	218	}
	219	}
	220
[345]	221	return 0;
[295]	222
	223	printf_arguments:
	224
[258]	225	{
[628]	226	char buf[30];
	227	char * pbuf;
	228	unsigned int len = 0;
[295]	229	static const char HexaTab[] = "0123456789ABCDEF";
[628]	230	unsigned int i;
[580]	231
	232	/* Ignored fields : width and precision */
	233	for (; format >= '0' && format <= '9'; format++);
[258]	234
[295]	235	switch (*format++)
[258]	236	{
[580]	237	case ('%'):
[641]	238	{
	239	len = 1;
	240	pbuf = "%";
	241	break;
	242	}
[295]	243	case ('c'): /* char conversion */
[258]	244	{
[345]	245	int val = va_arg( *args, int );
[588]	246	if (modifiers != NO_MOD) goto return_error; // Modifiers have no meaning
[580]	247
[295]	248	len = 1;
	249	buf[0] = val;
	250	pbuf = &buf[0];
	251	break;
[258]	252	}
[580]	253	case ('d'): /* decimal signed integer */
[258]	254	{
[345]	255	int val = va_arg( *args, int );
[580]	256
[588]	257	if (modifiers == LL_MOD) goto return_error; // 64 bits not supported
[580]	258
[295]	259	if (val < 0)
	260	{
	261	val = -val;
	262	ret = sys_call(SYSCALL_TTY_WRITE,
	263	(unsigned int)"-",
	264	1,
	265	channel,
	266	0);
	267	if (ret != 1) goto return_error;
	268	}
	269	for(i = 0; i < 10; i++)
	270	{
	271	buf[9 - i] = HexaTab[val % 10];
	272	if (!(val /= 10)) break;
	273	}
	274	len = i + 1;
	275	pbuf = &buf[9 - i];
	276	break;
[258]	277	}
[580]	278	case ('u'): /* decimal unsigned integer */
[295]	279	{
[580]	280	if (modifiers != LL_MOD) //32 bits integer
[295]	281	{
[580]	282	unsigned int val = va_arg( *args, unsigned int );
	283	for(i = 0; i < 10; i++)
	284	{
	285	buf[9 - i] = HexaTab[val % 10];
	286	if (!(val /= 10)) break;
	287	}
	288	len = i + 1;
	289	pbuf = &buf[9 - i];
	290	break;
[295]	291	}
[580]	292	//64 bits : base 10 unsupported : continue to hexa
[295]	293	}
[580]	294	case ('x'):
	295	case ('X'): /* hexadecimal integer */
[295]	296	{
[580]	297	unsigned long long val;
	298	int imax;
	299
[628]	300	if (modifiers == LL_MOD) // 64 bits
[295]	301	{
[580]	302	val = va_arg( *args, unsigned long long);
	303
[628]	304	// if asked to print in base 10, can do only if it fits in 32 bits
	305	if (*(format-1) == 'u' && (!(val & 0xFFFFFFFF00000000ULL)))
[580]	306	{
	307	unsigned int uintv = (unsigned int) val;
	308
	309	for(i = 0; i < 10; i++)
	310	{
	311	buf[9 - i] = HexaTab[uintv % 10];
	312	if (!(uintv /= 10)) break;
	313	}
	314	len = i + 1;
	315	pbuf = &buf[9 - i];
	316	break;
	317	}
	318
	319	imax = 16;
[295]	320	}
[580]	321	else //32 bits
	322	{
	323	val = va_arg( *args, unsigned int);
	324	imax = 8;
	325	}
	326
[295]	327	ret = sys_call(SYSCALL_TTY_WRITE,
	328	(unsigned int)"0x",
	329	2,
	330	channel,
	331	0);
	332	if (ret != 2) goto return_error;
[580]	333
	334	for(i = 0; i < imax; i++)
[295]	335	{
[580]	336	buf[(imax-1) - i] = HexaTab[val % 16];
[295]	337	if (!(val /= 16)) break;
	338	}
	339	len = i + 1;
[580]	340	pbuf = &buf[(imax-1) - i];
[295]	341	break;
	342	}
	343	case ('s'): /* string */
	344	{
[345]	345	char* str = va_arg( args, char );
[580]	346
[588]	347	if (modifiers != NO_MOD) goto return_error; // Modifiers have no meaning
[580]	348
[295]	349	while (str[len])
	350	{
	351	len++;
	352	}
	353	pbuf = str;
	354	break;
	355	}
[580]	356	case ('e'):
	357	case ('f'):
	358	case ('g'): /* IEEE754 64 bits */
	359	{
[666]	360	union
	361	{
	362	double d;
	363	unsigned long long ull;
	364	} val;
[580]	365
[666]	366	val.d = va_arg( *args, double );
[580]	367
[666]	368	unsigned long long digits = val.ull & 0xFFFFFFFFFFFFFULL; //get mantissa
[580]	369
	370	unsigned int
[666]	371	base = (unsigned int)((val.ull & 0x7FF0000000000000ULL) >> 52), //get exposant
	372	intp = (unsigned int)val.d, //get integer part of the float
[580]	373	decp;
	374
	375	int isvalue = 0;
	376
	377	if (base == 0x7FF) //special value
	378	{
[628]	379	if (digits & 0xFFFFFFFFFFFFFULL)
[580]	380	{
	381	/* Not a Number */
	382	buf[0] = 'N';
	383	buf[1] = 'a';
	384	buf[2] = 'N';
	385	len = 3;
	386	pbuf = buf;
	387	}
	388	else
	389	{
	390	/* inf */
[666]	391	buf[0] = (val.ull & 0x8000000000000000ULL) ? '-' : '+';
[580]	392	buf[1] = 'i';
	393	buf[2] = 'n';
	394	buf[3] = 'f';
	395	len = 4;
	396	pbuf = buf;
	397	}
	398	break;
	399	}
	400
[666]	401	if (val.ull & 0x8000000000000000ULL)
[580]	402	{
	403	/* negative */
	404	ret = sys_call(SYSCALL_TTY_WRITE,
	405	(unsigned int)"-",
	406	1,
	407	channel,
	408	0);
	409	if (ret != 1) goto return_error;
[666]	410	val.d = val.d * -1;
[580]	411	}
	412	else
	413	{
	414	/* positive */
	415	ret = sys_call(SYSCALL_TTY_WRITE,
	416	(unsigned int)"+",
	417	1,
	418	channel,
	419	0);
	420	if (ret != 1) goto return_error;
	421	}
	422
[666]	423	if (val.d > 0xFFFFFFFF)
[580]	424	{
	425	/* overflow */
	426	buf[0] = 'B';
	427	buf[1] = 'I';
	428	buf[2] = 'G';
	429	len = 3;
	430	pbuf = buf;
	431	break;
	432	}
	433
[666]	434	val.d -= (double)intp;
	435	decp = (unsigned int)(val.d * 1000000000);
[580]	436
	437	for(i = 0; i < 10; i++)
	438	{
	439	if ((!isvalue) && (intp % 10)) isvalue = 1;
	440	buf[9 - i] = HexaTab[intp % 10];
	441	if (!(intp /= 10)) break;
	442	}
	443	pbuf = &buf[9 - i];
	444	len = i+11;
	445	buf[10] = '.';
	446
	447	for(i = 0; i < 9; i++)
	448	{
	449	if ((!isvalue) && (decp % 10)) isvalue = 1;
	450	buf[19 - i] = HexaTab[decp % 10];
	451	decp /= 10;
	452	}
	453
	454	if (!isvalue)
	455	{
[666]	456	if (val.d != 0)
[580]	457	{
	458	/* underflow */
	459	buf[0] = 'T';
	460	buf[1] = 'I';
	461	buf[2] = 'N';
	462	buf[3] = 'Y';
	463	len = 4;
	464	pbuf = buf;
	465	}
	466	}
	467
	468	break;
	469	}
	470	case ('l'):
	471	switch (modifiers)
	472	{
	473	case NO_MOD:
	474	modifiers = L_MOD;
	475	goto printf_arguments;
	476
	477	case L_MOD:
	478	modifiers = LL_MOD;
	479	goto printf_arguments;
	480
	481	default:
	482	goto return_error;
	483	}
	484
	485	/* Ignored fields : width and precision */
	486	case ('.'): goto printf_arguments;
	487
[295]	488	default:
	489	goto return_error;
[258]	490	}
	491
[295]	492	ret = sys_call(SYSCALL_TTY_WRITE,
	493	(unsigned int)pbuf,
	494	len,
	495	channel,
	496	0);
	497	if (ret != len) goto return_error;
	498
	499	goto printf_text;
[258]	500	}
	501
[295]	502	return_error:
[345]	503	return 1;
	504	} // end __printf()
[295]	505
[345]	506
	507	////////////////////////////////////////
	508	void giet_tty_printf( char* format, ...)
	509	{
	510	va_list args;
	511
	512	va_start( args, format );
	513	int ret = __printf(format, 0xFFFFFFFF, &args);
[295]	514	va_end( args );
[345]	515
	516	if (ret)
	517	{
[382]	518	giet_exit("ERROR in giet_tty_printf()");
[345]	519	}
[295]	520	} // end giet_tty_printf()
	521
	522	/////////////////////////////////
	523	void giet_tty_getc( char * byte )
	524	{
	525	int ret;
	526
	527	do
[267]	528	{
[295]	529	ret = sys_call(SYSCALL_TTY_READ,
	530	(unsigned int)byte, // buffer address
	531	1, // number of characters
	532	0xFFFFFFFF, // channel index from task context
	533	0);
	534	if ( ret < 0 ) giet_exit("error in giet_tty_getc()");
[267]	535	}
[295]	536	while (ret != 1);
	537	}
[267]	538
[295]	539	/////////////////////////////////////
	540	void giet_tty_gets( char* buf,
	541	unsigned int bufsize )
	542	{
[647]	543	int ret; // return value from syscalls
[295]	544	unsigned char byte;
	545	unsigned int index = 0;
[647]	546	unsigned int string_cancel = 0x00082008; // string containing BS/SPACE/BS
[295]	547
	548	while (index < (bufsize - 1))
	549	{
[647]	550	// get one character
[295]	551	do
	552	{
	553	ret = sys_call(SYSCALL_TTY_READ,
	554	(unsigned int)(&byte),
	555	1,
[647]	556	0xFFFFFFFF, // channel index from task context
[295]	557	0);
	558	if ( ret < 0 ) giet_exit("error in giet_tty_gets()");
	559	}
	560	while (ret != 1);
	561
[647]	562	// analyse character
	563	if (byte == 0x0A) // LF special character
[295]	564	{
	565	break;
	566	}
[647]	567	else if ( (byte == 0x7F) \|\| // DEL special character
	568	(byte == 0x08) ) // BS special character
[295]	569	{
[647]	570	if ( index > 0 )
	571	{
	572	index--;
	573
	574	// cancel character
	575	ret = sys_call( SYSCALL_TTY_WRITE,
	576	(unsigned int)(&string_cancel),
	577	3,
	578	0XFFFFFFFF, // channel index from task context
	579	0 );
	580	if ( ret < 0 ) giet_exit("error in giet_tty_gets()");
	581	}
[295]	582	}
[647]	583	else if ( (byte < 0x20) \|\| (byte > 0x7F) ) // non printable characters
[295]	584	{
[647]	585	}
	586	else // take all other characters
	587	{
[295]	588	buf[index] = byte;
	589	index++;
[647]	590
	591	// echo
	592	ret = sys_call( SYSCALL_TTY_WRITE,
	593	(unsigned int)(&byte),
	594	1,
	595	0XFFFFFFFF, // channel index from task context
	596	0 );
	597	if ( ret < 0 ) giet_exit("error in giet_tty_gets()");
	598
[295]	599	}
	600	}
	601	buf[index] = 0;
[258]	602
[647]	603	} // end giet_tty_gets()
	604
[295]	605	///////////////////////////////////////
	606	void giet_tty_getw( unsigned int* val )
	607	{
	608	unsigned char buf[32];
	609	unsigned int string_byte = 0x00000000; // string containing one single byte
	610	unsigned int string_cancel = 0x00082008; // string containing BS/SPACE/BS
	611	unsigned int save = 0;
	612	unsigned int dec = 0;
	613	unsigned int done = 0;
	614	unsigned int overflow = 0;
	615	unsigned int length = 0;
	616	unsigned int i;
	617	int ret; // return value from syscalls
	618
	619	// get characters
	620	while (done == 0)
	621	{
	622	// read one character
	623	do
	624	{
	625	ret = sys_call( SYSCALL_TTY_READ,
	626	(unsigned int)(&string_byte),
	627	1,
[647]	628	0xFFFFFFFF, // channel index from task context
[295]	629	0);
	630	if ( ret < 0 ) giet_exit("error in giet_tty_getw()");
	631	}
	632	while (ret != 1);
[258]	633
[295]	634	// analyse character
[647]	635	if ((string_byte > 0x2F) && (string_byte < 0x3A)) // decimal character
[295]	636	{
	637	buf[length] = (unsigned char)string_byte;
	638	length++;
[258]	639
[295]	640	// echo
	641	ret = sys_call( SYSCALL_TTY_WRITE,
	642	(unsigned int)(&string_byte),
	643	1,
[647]	644	0xFFFFFFFF, // channel index from task context
[295]	645	0 );
[647]	646	if ( ret < 0 ) giet_exit("error in giet_tty_getw()");
[295]	647	}
[647]	648	else if (string_byte == 0x0A) // LF character
[295]	649	{
	650	done = 1;
	651	}
[647]	652	else if ( (string_byte == 0x7F) \|\| // DEL character
	653	(string_byte == 0x08) ) // BS character
[295]	654	{
	655	if ( length > 0 )
	656	{
	657	length--; // cancel the character
	658
	659	ret = sys_call( SYSCALL_TTY_WRITE,
	660	(unsigned int)(&string_cancel),
	661	3,
[647]	662	0xFFFFFFFF, // channel index from task context
[295]	663	0 );
[352]	664	if ( ret < 0 ) giet_exit("error in giet_tty_getw()");
[295]	665	}
	666	}
	667
	668	// test buffer overflow
	669	if ( length >= 32 )
	670	{
	671	overflow = 1;
	672	done = 1;
	673	}
	674	} // end while characters
	675
	676	// string to int conversion with overflow detection
	677	if ( overflow == 0 )
	678	{
	679	for (i = 0; (i < length) && (overflow == 0) ; i++)
	680	{
	681	dec = dec * 10 + (buf[i] - 0x30);
	682	if (dec < save) overflow = 1;
	683	save = dec;
	684	}
	685	}
	686
	687	// final evaluation
	688	if ( overflow == 0 )
	689	{
	690	// return value
	691	*val = dec;
	692	}
	693	else
	694	{
	695	// cancel all echo characters
	696	for (i = 0; i < length ; i++)
	697	{
	698	ret = sys_call( SYSCALL_TTY_WRITE,
	699	(unsigned int)(&string_cancel),
	700	3,
[647]	701	0xFFFFFFFF, // channel index from task context
[295]	702	0 );
[352]	703	if ( ret < 0 ) giet_exit("error in giet_tty_getw()");
[295]	704	}
	705	// echo character '0'
	706	string_byte = 0x30;
	707	ret = sys_call( SYSCALL_TTY_WRITE,
	708	(unsigned int)(&string_byte),
	709	1,
[647]	710	0xFFFFFFFF, // channel index from task context
[295]	711	0 );
[352]	712	if ( ret < 0 ) giet_exit("error in giet_tty_getw()");
[295]	713
	714	// return 0 value
	715	*val = 0;
	716	}
[647]	717	} // end giet_tty_getw()
[295]	718
	719
[258]	720	//////////////////////////////////////////////////////////////////////////////////
	721	///////////////////// TIMER related system calls ////////////////////////////////
	722	//////////////////////////////////////////////////////////////////////////////////
	723
[295]	724	///////////////////////
[438]	725	void giet_timer_alloc()
[258]	726	{
[438]	727	if ( sys_call( SYSCALL_TIM_ALLOC,
	728	0, 0, 0, 0 ) ) giet_exit("error in giet_timer_alloc()");
[258]	729	}
[295]	730
[438]	731	////////////////////////////////////////////
	732	void giet_timer_start( unsigned int period )
	733	{
	734	if ( sys_call( SYSCALL_TIM_START,
	735	period,
	736	0, 0, 0 ) ) giet_exit("error in giet_timer_start()");
	737	}
	738
[295]	739	//////////////////////
	740	void giet_timer_stop()
[258]	741	{
[438]	742	if ( sys_call( SYSCALL_TIM_STOP,
	743	0, 0, 0, 0 ) ) giet_exit("error in giet_timer_stop()");
[258]	744	}
	745
	746
	747	//////////////////////////////////////////////////////////////////////////////////
	748	/////////////// Frame buffer device related system calls ///////////////////////
	749	//////////////////////////////////////////////////////////////////////////////////
	750
[438]	751	/////////////////////////
	752	void giet_fbf_cma_alloc()
[258]	753	{
[438]	754	if ( sys_call( SYSCALL_FBF_CMA_ALLOC,
	755	0, 0, 0, 0 ) ) giet_exit("error in giet_fbf_cma_alloc()");
[258]	756	}
[295]	757
	758	///////////////////////////////////////////
[614]	759	void giet_fbf_cma_init_buf( void* buf0_vbase,
	760	void* buf1_vbase,
	761	void* sts0_vaddr,
	762	void* sts1_vaddr )
[258]	763	{
[614]	764	if ( sys_call( SYSCALL_FBF_CMA_INIT_BUF,
	765	(unsigned int)buf0_vbase,
	766	(unsigned int)buf1_vbase,
	767	(unsigned int)sts0_vaddr,
	768	(unsigned int)sts1_vaddr ) ) giet_exit("error in giet_fbf_cma_init_buf()");
	769	}
	770
	771	///////////////////////////////////////////
	772	void giet_fbf_cma_start( unsigned int length )
	773	{
[438]	774	if ( sys_call( SYSCALL_FBF_CMA_START,
[614]	775	length,
	776	0, 0, 0 ) ) giet_exit("error in giet_fbf_cma_start()");
[258]	777	}
[295]	778
[438]	779	////////////////////////////////////////////////
	780	void giet_fbf_cma_display( unsigned int buffer )
[258]	781	{
[438]	782	if ( sys_call( SYSCALL_FBF_CMA_DISPLAY,
	783	buffer,
	784	0, 0, 0 ) ) giet_exit("error in giet_fbf_cma_display()");
[258]	785	}
[295]	786
	787	////////////////////////
[438]	788	void giet_fbf_cma_stop()
[258]	789	{
[438]	790	if ( sys_call( SYSCALL_FBF_CMA_STOP,
	791	0, 0, 0, 0 ) ) giet_exit("error in giet_fbf_cma_stop()");
[258]	792	}
	793
[438]	794	//////////////////////////////////////////////
	795	void giet_fbf_sync_write( unsigned int offset,
	796	void * buffer,
	797	unsigned int length )
	798	{
	799	if ( sys_call( SYSCALL_FBF_SYNC_WRITE,
	800	offset,
	801	(unsigned int)buffer,
	802	length,
	803	0 ) ) giet_exit("error in giet_fbf_sync_write()");
	804	}
[258]	805
[438]	806	/////////////////////////////////////////////
	807	void giet_fbf_sync_read( unsigned int offset,
	808	void * buffer,
	809	unsigned int length )
	810	{
	811	if ( sys_call( SYSCALL_FBF_SYNC_READ,
	812	offset,
	813	(unsigned int)buffer,
	814	length,
	815	0 ) ) giet_exit("error in giet_fbf_sync_read()");
	816	}
	817
	818
[258]	819	//////////////////////////////////////////////////////////////////////////////////
	820	/////////////////////// NIC related system calls /////////////////////////////////
	821	//////////////////////////////////////////////////////////////////////////////////
	822
[501]	823	////////////////////////////////////////////////////
	824	unsigned int giet_nic_rx_alloc( unsigned int xmax,
	825	unsigned int ymax )
[258]	826	{
[461]	827	int channel = sys_call( SYSCALL_NIC_ALLOC,
	828	1,
[501]	829	xmax,
	830	ymax,
	831	0 );
[487]	832	if ( channel < 0 ) giet_exit("error in giet_nic_rx_alloc()");
[461]	833
[487]	834	return (unsigned int)channel;
[258]	835	}
[295]	836
[501]	837	////////////////////////////////////////////////////
	838	unsigned int giet_nic_tx_alloc( unsigned int xmax,
	839	unsigned int ymax )
[258]	840	{
[461]	841	int channel = sys_call( SYSCALL_NIC_ALLOC,
[501]	842	0,
	843	xmax,
	844	ymax,
	845	0 );
[461]	846	if ( channel < 0 ) giet_exit("error in giet_nic_tx_alloc()");
	847
[487]	848	return (unsigned int)channel;
[450]	849	}
	850
[487]	851	//////////////////////////////////////////////
	852	void giet_nic_rx_start( unsigned int channel )
[450]	853	{
[461]	854	if ( sys_call( SYSCALL_NIC_START,
	855	1,
[487]	856	channel,
	857	0, 0 ) ) giet_exit("error in giet_nic_rx_start()");
[450]	858	}
	859
[487]	860	//////////////////////////////////////////////
	861	void giet_nic_tx_start( unsigned int channel )
[450]	862	{
[461]	863	if ( sys_call( SYSCALL_NIC_START,
	864	0,
[487]	865	channel,
	866	0, 0 ) ) giet_exit("error in giet_nic_tx_start()");
[450]	867	}
	868
[461]	869	///////////////////////////////////////////////////////////
	870	void giet_nic_rx_move( unsigned int channel, void* buffer )
[450]	871	{
[461]	872	if ( sys_call( SYSCALL_NIC_MOVE,
	873	1,
	874	channel,
[438]	875	(unsigned int)buffer,
[461]	876	0 ) ) giet_exit("error in giet_nic_rx_move()");
[258]	877	}
	878
[461]	879	///////////////////////////////////////////////////////////
	880	void giet_nic_tx_move( unsigned int channel, void* buffer )
[438]	881	{
[461]	882	if ( sys_call( SYSCALL_NIC_MOVE,
	883	0,
	884	channel,
[438]	885	(unsigned int)buffer,
[461]	886	0 ) ) giet_exit("error in giet_nic_tx_move()");
[438]	887	}
	888
[487]	889	/////////////////////////////////////////////
	890	void giet_nic_rx_stop( unsigned int channel )
[450]	891	{
[461]	892	if ( sys_call( SYSCALL_NIC_STOP,
	893	1,
[487]	894	channel,
	895	0, 0 ) ) giet_exit("error in giet_nic_rx_stop()");
[450]	896	}
	897
[487]	898	/////////////////////////////////////////////
	899	void giet_nic_tx_stop( unsigned int channel )
[450]	900	{
[461]	901	if ( sys_call( SYSCALL_NIC_STOP,
	902	0,
[487]	903	channel,
	904	0, 0 ) ) giet_exit("error in giet_nic_tx_stop()");
[450]	905	}
	906
[487]	907	//////////////////////////////////////////////
	908	void giet_nic_rx_stats( unsigned int channel )
[461]	909	{
	910	if ( sys_call( SYSCALL_NIC_STATS,
	911	1,
[487]	912	channel,
	913	0, 0 ) ) giet_exit("error in giet_nic_rx_stats()");
[461]	914	}
[450]	915
[487]	916	//////////////////////////////////////////////
	917	void giet_nic_tx_stats( unsigned int channel )
[461]	918	{
	919	if ( sys_call( SYSCALL_NIC_STATS,
	920	0,
[487]	921	channel,
	922	0, 0 ) ) giet_exit("error in giet_nic_tx_stats()");
[461]	923	}
	924
[487]	925	//////////////////////////////////////////////
	926	void giet_nic_rx_clear( unsigned int channel )
[461]	927	{
	928	if ( sys_call( SYSCALL_NIC_CLEAR,
	929	1,
[487]	930	channel,
	931	0, 0 ) ) giet_exit("error in giet_nic_rx_clear()");
[461]	932	}
	933
[487]	934	//////////////////////////////////////////////
	935	void giet_nic_tx_clear( unsigned int channel )
[461]	936	{
	937	if ( sys_call( SYSCALL_NIC_CLEAR,
	938	0,
[487]	939	channel,
	940	0, 0 ) ) giet_exit("error in giet_nic_tx_clear()");
[461]	941	}
	942
	943
	944
[295]	945	///////////////////////////////////////////////////////////////////////////////////
	946	///////////////////// FAT related system calls ////////////////////////////////////
	947	///////////////////////////////////////////////////////////////////////////////////
[258]	948
[588]	949	/////////////////////////////////////////
	950	int giet_fat_open( char* pathname,
	951	unsigned int flags )
[295]	952	{
[588]	953	return sys_call( SYSCALL_FAT_OPEN,
	954	(unsigned int)pathname,
	955	flags,
	956	0, 0 );
[295]	957	}
[258]	958
[588]	959	/////////////////////////////////////////
	960	int giet_fat_close( unsigned int fd_id )
[295]	961	{
[588]	962	return sys_call( SYSCALL_FAT_CLOSE,
	963	fd_id,
	964	0, 0, 0 );
[295]	965	}
	966
[588]	967	/////////////////////////////////////////////
[623]	968	int giet_fat_file_info( unsigned int fd_id,
	969	struct fat_file_info_s* info )
[295]	970	{
[588]	971	return sys_call( SYSCALL_FAT_FINFO,
	972	fd_id,
[623]	973	(unsigned int)info,
	974	0, 0 );
[295]	975	}
	976
[588]	977	///////////////////////////////////////
	978	int giet_fat_read( unsigned int fd_id,
	979	void* buffer,
	980	unsigned int count )
	981	{
	982	return sys_call( SYSCALL_FAT_READ,
	983	fd_id,
	984	(unsigned int)buffer,
	985	count,
	986	0 );
	987	}
	988
	989	////////////////////////////////////////
	990	int giet_fat_write( unsigned int fd_id,
[295]	991	void* buffer,
[588]	992	unsigned int count )
[258]	993	{
[295]	994	return sys_call( SYSCALL_FAT_WRITE,
[588]	995	fd_id,
[295]	996	(unsigned int)buffer,
[588]	997	count,
	998	0 );
[258]	999	}
[295]	1000
[588]	1001	////////////////////////////////////////
	1002	int giet_fat_lseek( unsigned int fd_id,
[295]	1003	unsigned int offset,
	1004	unsigned int whence )
[258]	1005	{
[588]	1006	return sys_call( SYSCALL_FAT_LSEEK,
	1007	fd_id,
	1008	offset,
	1009	whence,
	1010	0 );
[258]	1011	}
[295]	1012
[588]	1013	////////////////////////////////////////////
	1014	int giet_fat_remove( char* pathname,
	1015	unsigned int should_be_dir )
[258]	1016	{
[588]	1017	return sys_call( SYSCALL_FAT_REMOVE,
	1018	(unsigned int)pathname,
	1019	should_be_dir,
	1020	0, 0 );
[258]	1021	}
[295]	1022
	1023	/////////////////////////////////////
[588]	1024	int giet_fat_rename( char* old_path,
	1025	char* new_path )
[258]	1026	{
[588]	1027	return sys_call( SYSCALL_FAT_RENAME,
	1028	(unsigned int)old_path,
	1029	(unsigned int)new_path,
	1030	0, 0 );
[258]	1031	}
[295]	1032
[588]	1033	////////////////////////////////////
	1034	int giet_fat_mkdir( char* pathname )
	1035	{
	1036	return sys_call( SYSCALL_FAT_MKDIR,
	1037	(unsigned int)pathname,
	1038	0, 0, 0 );
	1039	}
[295]	1040
[659]	1041	////////////////////////////////////
	1042	int giet_fat_opendir( char* pathname )
	1043	{
	1044	return sys_call( SYSCALL_FAT_OPENDIR,
	1045	(unsigned int)pathname,
	1046	0, 0, 0 );
	1047	}
	1048
	1049	////////////////////////////////////
	1050	int giet_fat_closedir( unsigned int fd_id )
	1051	{
	1052	return sys_call( SYSCALL_FAT_CLOSEDIR,
	1053	(unsigned int)fd_id,
	1054	0, 0, 0 );
	1055	}
	1056
	1057	////////////////////////////////////
	1058	int giet_fat_readdir( unsigned int fd_id,
	1059	fat_dirent_t* entry )
	1060	{
	1061	return sys_call( SYSCALL_FAT_READDIR,
	1062	(unsigned int)fd_id,
	1063	(unsigned int)entry,
	1064	0, 0 );
	1065	}
	1066
[295]	1067
	1068
[390]	1069	//////////////////////////////////////////////////////////////////////////////////
	1070	///////////////////// Miscellaneous system calls /////////////////////////////////
	1071	//////////////////////////////////////////////////////////////////////////////////
	1072
[501]	1073	/////////////////////////////////////////////////
	1074	void giet_procs_number( unsigned int* x_size,
	1075	unsigned int* y_size,
	1076	unsigned int* nprocs )
[438]	1077	{
[501]	1078	if ( sys_call( SYSCALL_PROCS_NUMBER,
	1079	(unsigned int)x_size,
	1080	(unsigned int)y_size,
	1081	(unsigned int)nprocs,
	1082	0 ) ) giet_exit("ERROR in giet_procs_number()");
[438]	1083	}
	1084
[295]	1085	////////////////////////////////////////////////////
	1086	void giet_vobj_get_vbase( char* vspace_name,
	1087	char* vobj_name,
[438]	1088	unsigned int* vbase )
[258]	1089	{
[295]	1090	if ( sys_call( SYSCALL_VOBJ_GET_VBASE,
	1091	(unsigned int) vspace_name,
	1092	(unsigned int) vobj_name,
[438]	1093	(unsigned int) vbase,
[390]	1094	0 ) ) giet_exit("ERROR in giet_vobj_get_vbase()");
[258]	1095	}
[260]	1096
[438]	1097	////////////////////////////////////////////////////
	1098	void giet_vobj_get_length( char* vspace_name,
	1099	char* vobj_name,
	1100	unsigned int* length )
[260]	1101	{
[438]	1102	if ( sys_call( SYSCALL_VOBJ_GET_LENGTH,
	1103	(unsigned int) vspace_name,
	1104	(unsigned int) vobj_name,
	1105	(unsigned int) length,
	1106	0 ) ) giet_exit("ERROR in giet_vobj_get_length()");
[260]	1107	}
	1108
[295]	1109	/////////////////////////////////////////
	1110	void giet_heap_info( unsigned int* vaddr,
[368]	1111	unsigned int* length,
	1112	unsigned int x,
	1113	unsigned int y )
[258]	1114	{
[295]	1115	if ( sys_call( SYSCALL_HEAP_INFO,
	1116	(unsigned int)vaddr,
	1117	(unsigned int)length,
[368]	1118	x,
[390]	1119	y ) ) giet_exit("ERROR in giet_heap_info()");
[258]	1120	}
	1121
[390]	1122	/////////////////////////////////////////
	1123	void giet_get_xy( void* ptr,
	1124	unsigned int* px,
	1125	unsigned int* py )
	1126	{
	1127	if ( sys_call( SYSCALL_GET_XY,
	1128	(unsigned int)ptr,
	1129	(unsigned int)px,
	1130	(unsigned int)py,
	1131	0 ) ) giet_exit("ERROR in giet_get_xy()");
	1132	}
	1133
[258]	1134	// Local Variables:
	1135	// tab-width: 4
	1136	// c-basic-offset: 4
	1137	// c-file-offsets:((innamespace . 0)(inline-open . 0))
	1138	// indent-tabs-mode: nil
	1139	// End:
	1140	// vim: filetype=c:expandtab:shiftwidth=4:tabstop=4:softtabstop=4
	1141

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