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RTX_CM_lib.h@0:e6ccf0b3d718, 2012-05-31 (annotated)

Committer:: donatien
Date:: Thu May 31 15:46:30 2012 +0000
Revision:: 0:e6ccf0b3d718

Who changed what in which revision?

User	Revision	Line number	New contents of line
donatien	0:e6ccf0b3d718	1	/*----------------------------------------------------------------------------
donatien	0:e6ccf0b3d718	2	* RL-ARM - RTX
donatien	0:e6ccf0b3d718	3	*----------------------------------------------------------------------------
donatien	0:e6ccf0b3d718	4	* Name: RTX_CM_LIB.H
donatien	0:e6ccf0b3d718	5	* Purpose: RTX Kernel System Configuration
donatien	0:e6ccf0b3d718	6	* Rev.: V4.21
donatien	0:e6ccf0b3d718	7	*----------------------------------------------------------------------------
donatien	0:e6ccf0b3d718	8	*
donatien	0:e6ccf0b3d718	9	* Copyright (c) 1999-2009 KEIL, 2009-2012 ARM Germany GmbH
donatien	0:e6ccf0b3d718	10	* All rights reserved.
donatien	0:e6ccf0b3d718	11	* Redistribution and use in source and binary forms, with or without
donatien	0:e6ccf0b3d718	12	* modification, are permitted provided that the following conditions are met:
donatien	0:e6ccf0b3d718	13	* - Redistributions of source code must retain the above copyright
donatien	0:e6ccf0b3d718	14	* notice, this list of conditions and the following disclaimer.
donatien	0:e6ccf0b3d718	15	* - Redistributions in binary form must reproduce the above copyright
donatien	0:e6ccf0b3d718	16	* notice, this list of conditions and the following disclaimer in the
donatien	0:e6ccf0b3d718	17	* documentation and/or other materials provided with the distribution.
donatien	0:e6ccf0b3d718	18	* - Neither the name of ARM nor the names of its contributors may be used
donatien	0:e6ccf0b3d718	19	* to endorse or promote products derived from this software without
donatien	0:e6ccf0b3d718	20	* specific prior written permission.
donatien	0:e6ccf0b3d718	21	*
donatien	0:e6ccf0b3d718	22	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
donatien	0:e6ccf0b3d718	23	* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
donatien	0:e6ccf0b3d718	24	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
donatien	0:e6ccf0b3d718	25	* ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
donatien	0:e6ccf0b3d718	26	* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
donatien	0:e6ccf0b3d718	27	* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
donatien	0:e6ccf0b3d718	28	* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
donatien	0:e6ccf0b3d718	29	* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
donatien	0:e6ccf0b3d718	30	* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
donatien	0:e6ccf0b3d718	31	* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
donatien	0:e6ccf0b3d718	32	* POSSIBILITY OF SUCH DAMAGE.
donatien	0:e6ccf0b3d718	33	---------------------------------------------------------------------------/
donatien	0:e6ccf0b3d718	34
donatien	0:e6ccf0b3d718	35	#if defined (__CC_ARM)
donatien	0:e6ccf0b3d718	36	#pragma O3
donatien	0:e6ccf0b3d718	37	#define __USED __attribute__((used))
donatien	0:e6ccf0b3d718	38	#elif defined (__GNUC__)
donatien	0:e6ccf0b3d718	39	#pragma GCC optimize ("O3")
donatien	0:e6ccf0b3d718	40	#define __USED __attribute__((used))
donatien	0:e6ccf0b3d718	41	#elif defined (__ICCARM__)
donatien	0:e6ccf0b3d718	42	#define __USED __root
donatien	0:e6ccf0b3d718	43	#endif
donatien	0:e6ccf0b3d718	44
donatien	0:e6ccf0b3d718	45
donatien	0:e6ccf0b3d718	46	/*----------------------------------------------------------------------------
donatien	0:e6ccf0b3d718	47	* Definitions
donatien	0:e6ccf0b3d718	48	---------------------------------------------------------------------------/
donatien	0:e6ccf0b3d718	49
donatien	0:e6ccf0b3d718	50	#define _declare_box(pool,size,cnt) uint32_t pool[(((size)+3)/4)*(cnt) + 3]
donatien	0:e6ccf0b3d718	51	#define _declare_box8(pool,size,cnt) uint64_t pool[(((size)+7)/8)*(cnt) + 2]
donatien	0:e6ccf0b3d718	52
donatien	0:e6ccf0b3d718	53	#define OS_TCB_SIZE 48
donatien	0:e6ccf0b3d718	54	#define OS_TMR_SIZE 8
donatien	0:e6ccf0b3d718	55
donatien	0:e6ccf0b3d718	56	#if defined (__CC_ARM) && !defined (__MICROLIB)
donatien	0:e6ccf0b3d718	57
donatien	0:e6ccf0b3d718	58	typedef void *OS_ID;
donatien	0:e6ccf0b3d718	59	typedef uint32_t OS_TID;
donatien	0:e6ccf0b3d718	60	typedef uint32_t OS_MUT[3];
donatien	0:e6ccf0b3d718	61	typedef uint32_t OS_RESULT;
donatien	0:e6ccf0b3d718	62
donatien	0:e6ccf0b3d718	63	#define runtask_id() rt_tsk_self()
donatien	0:e6ccf0b3d718	64	#define mutex_init(m) rt_mut_init(m)
donatien	0:e6ccf0b3d718	65	#define mutex_wait(m) os_mut_wait(m,0xFFFF)
donatien	0:e6ccf0b3d718	66	#define mutex_rel(m) os_mut_release(m)
donatien	0:e6ccf0b3d718	67
donatien	0:e6ccf0b3d718	68	extern OS_TID rt_tsk_self (void);
donatien	0:e6ccf0b3d718	69	extern void rt_mut_init (OS_ID mutex);
donatien	0:e6ccf0b3d718	70	extern OS_RESULT rt_mut_release (OS_ID mutex);
donatien	0:e6ccf0b3d718	71	extern OS_RESULT rt_mut_wait (OS_ID mutex, uint16_t timeout);
donatien	0:e6ccf0b3d718	72
donatien	0:e6ccf0b3d718	73	#define os_mut_wait(mutex,timeout) _os_mut_wait((uint32_t)rt_mut_wait,mutex,timeout)
donatien	0:e6ccf0b3d718	74	#define os_mut_release(mutex) _os_mut_release((uint32_t)rt_mut_release,mutex)
donatien	0:e6ccf0b3d718	75
donatien	0:e6ccf0b3d718	76	OS_RESULT _os_mut_release (uint32_t p, OS_ID mutex) __svc_indirect(0);
donatien	0:e6ccf0b3d718	77	OS_RESULT _os_mut_wait (uint32_t p, OS_ID mutex, uint16_t timeout) __svc_indirect(0);
donatien	0:e6ccf0b3d718	78
donatien	0:e6ccf0b3d718	79	#endif
donatien	0:e6ccf0b3d718	80
donatien	0:e6ccf0b3d718	81
donatien	0:e6ccf0b3d718	82	/*----------------------------------------------------------------------------
donatien	0:e6ccf0b3d718	83	* Global Variables
donatien	0:e6ccf0b3d718	84	---------------------------------------------------------------------------/
donatien	0:e6ccf0b3d718	85
donatien	0:e6ccf0b3d718	86	#if (OS_TIMERS != 0)
donatien	0:e6ccf0b3d718	87	#define OS_TASK_CNT (OS_TASKCNT + 1)
donatien	0:e6ccf0b3d718	88	#define OS_PRIV_CNT (OS_PRIVCNT + 2)
donatien	0:e6ccf0b3d718	89	#define OS_STACK_SZ (4*(OS_PRIVSTKSIZE+OS_MAINSTKSIZE+OS_TIMERSTKSZ))
donatien	0:e6ccf0b3d718	90	#else
donatien	0:e6ccf0b3d718	91	#define OS_TASK_CNT OS_TASKCNT
donatien	0:e6ccf0b3d718	92	#define OS_PRIV_CNT (OS_PRIVCNT + 1)
donatien	0:e6ccf0b3d718	93	#define OS_STACK_SZ (4*(OS_PRIVSTKSIZE+OS_MAINSTKSIZE))
donatien	0:e6ccf0b3d718	94	#endif
donatien	0:e6ccf0b3d718	95
donatien	0:e6ccf0b3d718	96	extern uint16_t const os_maxtaskrun = OS_TASK_CNT;
donatien	0:e6ccf0b3d718	97	extern uint32_t const os_stackinfo = (OS_STKCHECK<<24)\| (OS_PRIV_CNT<<16) \| (OS_STKSIZE*4);
donatien	0:e6ccf0b3d718	98	extern uint32_t const os_rrobin = (OS_ROBIN << 16) \| OS_ROBINTOUT;
donatien	0:e6ccf0b3d718	99	extern uint32_t const os_trv = OS_TRV;
donatien	0:e6ccf0b3d718	100	extern uint8_t const os_flags = OS_RUNPRIV;
donatien	0:e6ccf0b3d718	101
donatien	0:e6ccf0b3d718	102	/* Export following defines to uVision debugger. */
donatien	0:e6ccf0b3d718	103	extern __USED uint32_t const os_clockrate = OS_TICK;
donatien	0:e6ccf0b3d718	104	extern __USED uint32_t const os_timernum = 0;
donatien	0:e6ccf0b3d718	105
donatien	0:e6ccf0b3d718	106	/* Memory pool for TCB allocation */
donatien	0:e6ccf0b3d718	107	_declare_box (mp_tcb, OS_TCB_SIZE, OS_TASK_CNT);
donatien	0:e6ccf0b3d718	108	extern uint16_t const mp_tcb_size = sizeof(mp_tcb);
donatien	0:e6ccf0b3d718	109
donatien	0:e6ccf0b3d718	110	/* Memory pool for System stack allocation (+os_idle_demon). */
donatien	0:e6ccf0b3d718	111	_declare_box8 (mp_stk, OS_STKSIZE*4, OS_TASK_CNT-OS_PRIV_CNT+1);
donatien	0:e6ccf0b3d718	112	extern uint32_t const mp_stk_size = sizeof(mp_stk);
donatien	0:e6ccf0b3d718	113
donatien	0:e6ccf0b3d718	114	/* Memory pool for user specified stack allocation (+main, +timer) */
donatien	0:e6ccf0b3d718	115	uint64_t os_stack_mem[2+OS_PRIV_CNT+(OS_STACK_SZ/8)];
donatien	0:e6ccf0b3d718	116	extern uint32_t const os_stack_sz = sizeof(os_stack_mem);
donatien	0:e6ccf0b3d718	117
donatien	0:e6ccf0b3d718	118	#ifndef OS_FIFOSZ
donatien	0:e6ccf0b3d718	119	#define OS_FIFOSZ 16
donatien	0:e6ccf0b3d718	120	#endif
donatien	0:e6ccf0b3d718	121
donatien	0:e6ccf0b3d718	122	/* Fifo Queue buffer for ISR requests.*/
donatien	0:e6ccf0b3d718	123	uint32_t os_fifo[OS_FIFOSZ*2+1];
donatien	0:e6ccf0b3d718	124	extern uint8_t const os_fifo_size = OS_FIFOSZ;
donatien	0:e6ccf0b3d718	125
donatien	0:e6ccf0b3d718	126	/* An array of Active task pointers. */
donatien	0:e6ccf0b3d718	127	void *os_active_TCB[OS_TASK_CNT];
donatien	0:e6ccf0b3d718	128
donatien	0:e6ccf0b3d718	129	/* User Timers Resources */
donatien	0:e6ccf0b3d718	130	#if (OS_TIMERS != 0)
donatien	0:e6ccf0b3d718	131	extern void osTimerThread (void const *argument);
donatien	0:e6ccf0b3d718	132	osThreadDef(osTimerThread, (osPriority)(OS_TIMERPRIO-3), 1, 4*OS_TIMERSTKSZ);
donatien	0:e6ccf0b3d718	133	osThreadId osThreadId_osTimerThread;
donatien	0:e6ccf0b3d718	134	osMessageQDef(osTimerMessageQ, OS_TIMERCBQS, void *);
donatien	0:e6ccf0b3d718	135	osMessageQId osMessageQId_osTimerMessageQ;
donatien	0:e6ccf0b3d718	136	#else
donatien	0:e6ccf0b3d718	137	osThreadDef_t os_thread_def_osTimerThread = { NULL };
donatien	0:e6ccf0b3d718	138	osThreadId osThreadId_osTimerThread;
donatien	0:e6ccf0b3d718	139	osMessageQDef(osTimerMessageQ, 0, void *);
donatien	0:e6ccf0b3d718	140	osMessageQId osMessageQId_osTimerMessageQ;
donatien	0:e6ccf0b3d718	141	#endif
donatien	0:e6ccf0b3d718	142
donatien	0:e6ccf0b3d718	143	/* Legacy RTX User Timers not used */
donatien	0:e6ccf0b3d718	144	uint32_t os_tmr = 0;
donatien	0:e6ccf0b3d718	145	extern uint32_t const *m_tmr = NULL;
donatien	0:e6ccf0b3d718	146	extern uint16_t const mp_tmr_size = 0;
donatien	0:e6ccf0b3d718	147
donatien	0:e6ccf0b3d718	148	#if defined (__CC_ARM) && !defined (__MICROLIB)
donatien	0:e6ccf0b3d718	149	/* A memory space for arm standard library. */
donatien	0:e6ccf0b3d718	150	static uint32_t std_libspace[OS_TASK_CNT][96/4];
donatien	0:e6ccf0b3d718	151	static OS_MUT std_libmutex[OS_MUTEXCNT];
donatien	0:e6ccf0b3d718	152	static uint32_t nr_mutex;
donatien	0:e6ccf0b3d718	153	extern void *__libspace_start;
donatien	0:e6ccf0b3d718	154	#endif
donatien	0:e6ccf0b3d718	155
donatien	0:e6ccf0b3d718	156
donatien	0:e6ccf0b3d718	157	/*----------------------------------------------------------------------------
donatien	0:e6ccf0b3d718	158	* RTX Optimizations (empty functions)
donatien	0:e6ccf0b3d718	159	---------------------------------------------------------------------------/
donatien	0:e6ccf0b3d718	160
donatien	0:e6ccf0b3d718	161	#if OS_ROBIN == 0
donatien	0:e6ccf0b3d718	162	void rt_init_robin (void) {;}
donatien	0:e6ccf0b3d718	163	void rt_chk_robin (void) {;}
donatien	0:e6ccf0b3d718	164	#endif
donatien	0:e6ccf0b3d718	165
donatien	0:e6ccf0b3d718	166	#if OS_STKCHECK == 0
donatien	0:e6ccf0b3d718	167	void rt_stk_check (void) {;}
donatien	0:e6ccf0b3d718	168	#endif
donatien	0:e6ccf0b3d718	169
donatien	0:e6ccf0b3d718	170
donatien	0:e6ccf0b3d718	171	/*----------------------------------------------------------------------------
donatien	0:e6ccf0b3d718	172	* Standard Library multithreading interface
donatien	0:e6ccf0b3d718	173	---------------------------------------------------------------------------/
donatien	0:e6ccf0b3d718	174
donatien	0:e6ccf0b3d718	175	#if defined (__CC_ARM) && !defined (__MICROLIB)
donatien	0:e6ccf0b3d718	176
donatien	0:e6ccf0b3d718	177	/--------------------------- __user_perthread_libspace ---------------------/
donatien	0:e6ccf0b3d718	178
donatien	0:e6ccf0b3d718	179	void *__user_perthread_libspace (void) {
donatien	0:e6ccf0b3d718	180	/* Provide a separate libspace for each task. */
donatien	0:e6ccf0b3d718	181	uint32_t idx;
donatien	0:e6ccf0b3d718	182
donatien	0:e6ccf0b3d718	183	idx = runtask_id ();
donatien	0:e6ccf0b3d718	184	if (idx == 0) {
donatien	0:e6ccf0b3d718	185	/* RTX not running yet. */
donatien	0:e6ccf0b3d718	186	return (&__libspace_start);
donatien	0:e6ccf0b3d718	187	}
donatien	0:e6ccf0b3d718	188	return ((void *)&std_libspace[idx-1]);
donatien	0:e6ccf0b3d718	189	}
donatien	0:e6ccf0b3d718	190
donatien	0:e6ccf0b3d718	191	/--------------------------- _mutex_initialize -----------------------------/
donatien	0:e6ccf0b3d718	192
donatien	0:e6ccf0b3d718	193	int _mutex_initialize (OS_ID *mutex) {
donatien	0:e6ccf0b3d718	194	/* Allocate and initialize a system mutex. */
donatien	0:e6ccf0b3d718	195
donatien	0:e6ccf0b3d718	196	if (nr_mutex >= OS_MUTEXCNT) {
donatien	0:e6ccf0b3d718	197	/* If you are here, you need to increase the number OS_MUTEXCNT. */
donatien	0:e6ccf0b3d718	198	for (;;);
donatien	0:e6ccf0b3d718	199	}
donatien	0:e6ccf0b3d718	200	*mutex = &std_libmutex[nr_mutex++];
donatien	0:e6ccf0b3d718	201	mutex_init (*mutex);
donatien	0:e6ccf0b3d718	202	return (1);
donatien	0:e6ccf0b3d718	203	}
donatien	0:e6ccf0b3d718	204
donatien	0:e6ccf0b3d718	205
donatien	0:e6ccf0b3d718	206	/--------------------------- _mutex_acquire --------------------------------/
donatien	0:e6ccf0b3d718	207
donatien	0:e6ccf0b3d718	208	__attribute__((used)) void _mutex_acquire (OS_ID *mutex) {
donatien	0:e6ccf0b3d718	209	/* Acquire a system mutex, lock stdlib resources. */
donatien	0:e6ccf0b3d718	210	if (runtask_id ()) {
donatien	0:e6ccf0b3d718	211	/* RTX running, acquire a mutex. */
donatien	0:e6ccf0b3d718	212	mutex_wait (*mutex);
donatien	0:e6ccf0b3d718	213	}
donatien	0:e6ccf0b3d718	214	}
donatien	0:e6ccf0b3d718	215
donatien	0:e6ccf0b3d718	216
donatien	0:e6ccf0b3d718	217	/--------------------------- _mutex_release --------------------------------/
donatien	0:e6ccf0b3d718	218
donatien	0:e6ccf0b3d718	219	__attribute__((used)) void _mutex_release (OS_ID *mutex) {
donatien	0:e6ccf0b3d718	220	/* Release a system mutex, unlock stdlib resources. */
donatien	0:e6ccf0b3d718	221	if (runtask_id ()) {
donatien	0:e6ccf0b3d718	222	/* RTX runnning, release a mutex. */
donatien	0:e6ccf0b3d718	223	mutex_rel (*mutex);
donatien	0:e6ccf0b3d718	224	}
donatien	0:e6ccf0b3d718	225	}
donatien	0:e6ccf0b3d718	226
donatien	0:e6ccf0b3d718	227	#endif
donatien	0:e6ccf0b3d718	228
donatien	0:e6ccf0b3d718	229
donatien	0:e6ccf0b3d718	230	/*----------------------------------------------------------------------------
donatien	0:e6ccf0b3d718	231	* RTX Startup
donatien	0:e6ccf0b3d718	232	---------------------------------------------------------------------------/
donatien	0:e6ccf0b3d718	233
donatien	0:e6ccf0b3d718	234	/* Main Thread definition */
donatien	0:e6ccf0b3d718	235	extern int main (void);
donatien	0:e6ccf0b3d718	236	osThreadDef_t os_thread_def_main = {(os_pthread)main, osPriorityNormal, 1, 4*OS_MAINSTKSIZE };
donatien	0:e6ccf0b3d718	237
donatien	0:e6ccf0b3d718	238
donatien	0:e6ccf0b3d718	239	#if defined (__CC_ARM)
donatien	0:e6ccf0b3d718	240
donatien	0:e6ccf0b3d718	241	typedef void PROC();
donatien	0:e6ccf0b3d718	242
donatien	0:e6ccf0b3d718	243	extern const size_t SHT$$INIT_ARRAY$$Base[];
donatien	0:e6ccf0b3d718	244	extern const size_t SHT$$INIT_ARRAY$$Limit[];
donatien	0:e6ccf0b3d718	245
donatien	0:e6ccf0b3d718	246	void cpp_init(void) {
donatien	0:e6ccf0b3d718	247	const size_t *base = SHT$$INIT_ARRAY$$Base;
donatien	0:e6ccf0b3d718	248	const size_t *lim = SHT$$INIT_ARRAY$$Limit;
donatien	0:e6ccf0b3d718	249
donatien	0:e6ccf0b3d718	250	for (; base != lim; ++base) {
donatien	0:e6ccf0b3d718	251	PROC proc = (PROC)((const char)base + base);
donatien	0:e6ccf0b3d718	252	(*proc)();
donatien	0:e6ccf0b3d718	253	}
donatien	0:e6ccf0b3d718	254	}
donatien	0:e6ccf0b3d718	255
donatien	0:e6ccf0b3d718	256	// void $Super$$__cpp_initialize__aeabi_(void);
donatien	0:e6ccf0b3d718	257	void $Sub$$__cpp_initialize__aeabi_(void) {}
donatien	0:e6ccf0b3d718	258
donatien	0:e6ccf0b3d718	259	void $Super$$main(void);
donatien	0:e6ccf0b3d718	260	void $Sub$$main(void) {
donatien	0:e6ccf0b3d718	261	// $Super$$__cpp_initialize__aeabi_();
donatien	0:e6ccf0b3d718	262	cpp_init();
donatien	0:e6ccf0b3d718	263
donatien	0:e6ccf0b3d718	264	$Super$$main();
donatien	0:e6ccf0b3d718	265	}
donatien	0:e6ccf0b3d718	266
donatien	0:e6ccf0b3d718	267	#ifdef __MICROLIB
donatien	0:e6ccf0b3d718	268	void _main_init (void) __attribute__((section(".ARM.Collect$$$$000000FF")));
donatien	0:e6ccf0b3d718	269	void _main_init (void) {
donatien	0:e6ccf0b3d718	270	osKernelStart(&os_thread_def_main, NULL);
donatien	0:e6ccf0b3d718	271	for (;;);
donatien	0:e6ccf0b3d718	272	}
donatien	0:e6ccf0b3d718	273	#else
donatien	0:e6ccf0b3d718	274	__asm void __rt_entry (void) {
donatien	0:e6ccf0b3d718	275
donatien	0:e6ccf0b3d718	276	IMPORT __user_setup_stackheap
donatien	0:e6ccf0b3d718	277	IMPORT __rt_lib_init
donatien	0:e6ccf0b3d718	278	IMPORT os_thread_def_main
donatien	0:e6ccf0b3d718	279	IMPORT osKernelStart
donatien	0:e6ccf0b3d718	280	IMPORT exit
donatien	0:e6ccf0b3d718	281
donatien	0:e6ccf0b3d718	282	BL __user_setup_stackheap
donatien	0:e6ccf0b3d718	283	MOV R1,R2
donatien	0:e6ccf0b3d718	284	BL __rt_lib_init
donatien	0:e6ccf0b3d718	285	LDR R0,=os_thread_def_main
donatien	0:e6ccf0b3d718	286	MOVS R1,#0
donatien	0:e6ccf0b3d718	287	BL osKernelStart
donatien	0:e6ccf0b3d718	288	BL exit
donatien	0:e6ccf0b3d718	289
donatien	0:e6ccf0b3d718	290	ALIGN
donatien	0:e6ccf0b3d718	291	}
donatien	0:e6ccf0b3d718	292	#endif
donatien	0:e6ccf0b3d718	293
donatien	0:e6ccf0b3d718	294	#elif defined (__GNUC__)
donatien	0:e6ccf0b3d718	295
donatien	0:e6ccf0b3d718	296	#ifdef __CS3__
donatien	0:e6ccf0b3d718	297
donatien	0:e6ccf0b3d718	298	/* CS3 start_c routine.
donatien	0:e6ccf0b3d718	299	*
donatien	0:e6ccf0b3d718	300	* Copyright (c) 2006, 2007 CodeSourcery Inc
donatien	0:e6ccf0b3d718	301	*
donatien	0:e6ccf0b3d718	302	* The authors hereby grant permission to use, copy, modify, distribute,
donatien	0:e6ccf0b3d718	303	* and license this software and its documentation for any purpose, provided
donatien	0:e6ccf0b3d718	304	* that existing copyright notices are retained in all copies and that this
donatien	0:e6ccf0b3d718	305	* notice is included verbatim in any distributions. No written agreement,
donatien	0:e6ccf0b3d718	306	* license, or royalty fee is required for any of the authorized uses.
donatien	0:e6ccf0b3d718	307	* Modifications to this software may be copyrighted by their authors
donatien	0:e6ccf0b3d718	308	* and need not follow the licensing terms described here, provided that
donatien	0:e6ccf0b3d718	309	* the new terms are clearly indicated on the first page of each file where
donatien	0:e6ccf0b3d718	310	* they apply.
donatien	0:e6ccf0b3d718	311	*/
donatien	0:e6ccf0b3d718	312
donatien	0:e6ccf0b3d718	313	#include "cs3.h"
donatien	0:e6ccf0b3d718	314
donatien	0:e6ccf0b3d718	315	extern void __libc_init_array (void);
donatien	0:e6ccf0b3d718	316
donatien	0:e6ccf0b3d718	317	__attribute ((noreturn)) void __cs3_start_c (void){
donatien	0:e6ccf0b3d718	318	unsigned regions = __cs3_region_num;
donatien	0:e6ccf0b3d718	319	const struct __cs3_region *rptr = __cs3_regions;
donatien	0:e6ccf0b3d718	320
donatien	0:e6ccf0b3d718	321	/* Initialize memory */
donatien	0:e6ccf0b3d718	322	for (regions = __cs3_region_num, rptr = __cs3_regions; regions--; rptr++) {
donatien	0:e6ccf0b3d718	323	long long src = (long long )rptr->init;
donatien	0:e6ccf0b3d718	324	long long dst = (long long )rptr->data;
donatien	0:e6ccf0b3d718	325	unsigned limit = rptr->init_size;
donatien	0:e6ccf0b3d718	326	unsigned count;
donatien	0:e6ccf0b3d718	327
donatien	0:e6ccf0b3d718	328	if (src != dst)
donatien	0:e6ccf0b3d718	329	for (count = 0; count != limit; count += sizeof (long long))
donatien	0:e6ccf0b3d718	330	dst++ = src++;
donatien	0:e6ccf0b3d718	331	else
donatien	0:e6ccf0b3d718	332	dst = (long long )((char )dst + limit);
donatien	0:e6ccf0b3d718	333	limit = rptr->zero_size;
donatien	0:e6ccf0b3d718	334	for (count = 0; count != limit; count += sizeof (long long))
donatien	0:e6ccf0b3d718	335	*dst++ = 0;
donatien	0:e6ccf0b3d718	336	}
donatien	0:e6ccf0b3d718	337
donatien	0:e6ccf0b3d718	338	/* Run initializers. */
donatien	0:e6ccf0b3d718	339	__libc_init_array ();
donatien	0:e6ccf0b3d718	340
donatien	0:e6ccf0b3d718	341	osKernelStart(&os_thread_def_main, NULL);
donatien	0:e6ccf0b3d718	342	for (;;);
donatien	0:e6ccf0b3d718	343	}
donatien	0:e6ccf0b3d718	344
donatien	0:e6ccf0b3d718	345	#else
donatien	0:e6ccf0b3d718	346
donatien	0:e6ccf0b3d718	347	__attribute__((naked)) void software_init_hook (void) {
donatien	0:e6ccf0b3d718	348	__asm (
donatien	0:e6ccf0b3d718	349	".syntax unified\n"
donatien	0:e6ccf0b3d718	350	".thumb\n"
donatien	0:e6ccf0b3d718	351	"movs r0,#0\n"
donatien	0:e6ccf0b3d718	352	"movs r1,#0\n"
donatien	0:e6ccf0b3d718	353	"mov r4,r0\n"
donatien	0:e6ccf0b3d718	354	"mov r5,r1\n"
donatien	0:e6ccf0b3d718	355	"ldr r0,= __libc_fini_array\n"
donatien	0:e6ccf0b3d718	356	"bl atexit\n"
donatien	0:e6ccf0b3d718	357	"bl __libc_init_array\n"
donatien	0:e6ccf0b3d718	358	"mov r0,r4\n"
donatien	0:e6ccf0b3d718	359	"mov r1,r5\n"
donatien	0:e6ccf0b3d718	360	"ldr r0,=os_thread_def_main\n"
donatien	0:e6ccf0b3d718	361	"movs r1,#0\n"
donatien	0:e6ccf0b3d718	362	"bl osKernelStart\n"
donatien	0:e6ccf0b3d718	363	"bl exit\n"
donatien	0:e6ccf0b3d718	364	);
donatien	0:e6ccf0b3d718	365	}
donatien	0:e6ccf0b3d718	366
donatien	0:e6ccf0b3d718	367	#endif
donatien	0:e6ccf0b3d718	368
donatien	0:e6ccf0b3d718	369	#elif defined (__ICCARM__)
donatien	0:e6ccf0b3d718	370
donatien	0:e6ccf0b3d718	371	extern int __low_level_init(void);
donatien	0:e6ccf0b3d718	372	extern void __iar_data_init3(void);
donatien	0:e6ccf0b3d718	373	extern void exit(int arg);
donatien	0:e6ccf0b3d718	374
donatien	0:e6ccf0b3d718	375	__noreturn __stackless void __cmain(void) {
donatien	0:e6ccf0b3d718	376	int a;
donatien	0:e6ccf0b3d718	377
donatien	0:e6ccf0b3d718	378	if (__low_level_init() != 0) {
donatien	0:e6ccf0b3d718	379	__iar_data_init3();
donatien	0:e6ccf0b3d718	380	}
donatien	0:e6ccf0b3d718	381	a = osKernelStart(&os_thread_def_main, NULL);
donatien	0:e6ccf0b3d718	382	exit(a);
donatien	0:e6ccf0b3d718	383	}
donatien	0:e6ccf0b3d718	384
donatien	0:e6ccf0b3d718	385	#endif
donatien	0:e6ccf0b3d718	386
donatien	0:e6ccf0b3d718	387
donatien	0:e6ccf0b3d718	388	/*----------------------------------------------------------------------------
donatien	0:e6ccf0b3d718	389	* end of file
donatien	0:e6ccf0b3d718	390	---------------------------------------------------------------------------/
donatien	0:e6ccf0b3d718	391

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Type:	Program
Created:	31 May 2012
Imports:	42
Forks:	0
Commits:	1
Dependents:	0
Dependencies:	0
Followers:	1

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RTX_CM_lib.h@0:e6ccf0b3d718, 2012-05-31 (annotated)

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