VZTECH / mbed-rtos_old

mutex++

Dependents:   header_main_publish

Fork of mbed-rtos by mbed official

rtx/RTX_CM_lib.h@32:e98f5e27f346, 2014-06-12 (annotated)

Committer:
mbed_official
Date:
Thu Jun 12 15:00:16 2014 +0100
Revision:
32:e98f5e27f346
Parent:
31:015df9e602b6
Child:
33:ac8d036315ed
Synchronized with git revision af13906dd5a88c5486f81fa7e6b079d5da671e46



Full URL: https://github.com/mbedmicro/mbed/commit/af13906dd5a88c5486f81fa7e6b079d5da671e46/

Who changed what in which revision?

UserRevisionLine numberNew contents of line
emilmont 6:350b53afb889 1 /*----------------------------------------------------------------------------
emilmont 6:350b53afb889 2 * RL-ARM - RTX
emilmont 6:350b53afb889 3 *----------------------------------------------------------------------------
emilmont 6:350b53afb889 4 * Name: RTX_CM_LIB.H
emilmont 6:350b53afb889 5 * Purpose: RTX Kernel System Configuration
emilmont 6:350b53afb889 6 * Rev.: V4.60
emilmont 6:350b53afb889 7 *----------------------------------------------------------------------------
emilmont 6:350b53afb889 8 *
emilmont 6:350b53afb889 9 * Copyright (c) 1999-2009 KEIL, 2009-2012 ARM Germany GmbH
emilmont 6:350b53afb889 10 * All rights reserved.
emilmont 6:350b53afb889 11 * Redistribution and use in source and binary forms, with or without
emilmont 6:350b53afb889 12 * modification, are permitted provided that the following conditions are met:
emilmont 6:350b53afb889 13 * - Redistributions of source code must retain the above copyright
emilmont 6:350b53afb889 14 * notice, this list of conditions and the following disclaimer.
emilmont 6:350b53afb889 15 * - Redistributions in binary form must reproduce the above copyright
emilmont 6:350b53afb889 16 * notice, this list of conditions and the following disclaimer in the
emilmont 6:350b53afb889 17 * documentation and/or other materials provided with the distribution.
mbed_official 26:cb1d43beeb70 18 * - Neither the name of ARM nor the names of its contributors may be used
mbed_official 26:cb1d43beeb70 19 * to endorse or promote products derived from this software without
emilmont 6:350b53afb889 20 * specific prior written permission.
emilmont 6:350b53afb889 21 *
mbed_official 26:cb1d43beeb70 22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
mbed_official 26:cb1d43beeb70 23 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
emilmont 6:350b53afb889 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
emilmont 6:350b53afb889 25 * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
emilmont 6:350b53afb889 26 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
mbed_official 26:cb1d43beeb70 27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
mbed_official 26:cb1d43beeb70 28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
mbed_official 26:cb1d43beeb70 29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
mbed_official 26:cb1d43beeb70 30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
emilmont 6:350b53afb889 31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
emilmont 6:350b53afb889 32 * POSSIBILITY OF SUCH DAMAGE.
emilmont 6:350b53afb889 33 *---------------------------------------------------------------------------*/
emilmont 9:53e6cccd8782 34 #include "error.h"
emilmont 6:350b53afb889 35
emilmont 6:350b53afb889 36 #if defined (__CC_ARM)
emilmont 6:350b53afb889 37 #pragma O3
emilmont 6:350b53afb889 38 #define __USED __attribute__((used))
emilmont 6:350b53afb889 39 #elif defined (__GNUC__)
emilmont 6:350b53afb889 40 #pragma GCC optimize ("O3")
emilmont 6:350b53afb889 41 #define __USED __attribute__((used))
emilmont 6:350b53afb889 42 #elif defined (__ICCARM__)
emilmont 6:350b53afb889 43 #define __USED __root
emilmont 6:350b53afb889 44 #endif
emilmont 6:350b53afb889 45
emilmont 6:350b53afb889 46
emilmont 6:350b53afb889 47 /*----------------------------------------------------------------------------
emilmont 6:350b53afb889 48 * Definitions
emilmont 6:350b53afb889 49 *---------------------------------------------------------------------------*/
emilmont 6:350b53afb889 50
emilmont 6:350b53afb889 51 #define _declare_box(pool,size,cnt) uint32_t pool[(((size)+3)/4)*(cnt) + 3]
emilmont 6:350b53afb889 52 #define _declare_box8(pool,size,cnt) uint64_t pool[(((size)+7)/8)*(cnt) + 2]
emilmont 6:350b53afb889 53
emilmont 6:350b53afb889 54 #define OS_TCB_SIZE 48
emilmont 6:350b53afb889 55 #define OS_TMR_SIZE 8
emilmont 6:350b53afb889 56
emilmont 6:350b53afb889 57 #if defined (__CC_ARM) && !defined (__MICROLIB)
emilmont 6:350b53afb889 58
emilmont 6:350b53afb889 59 typedef void *OS_ID;
emilmont 6:350b53afb889 60 typedef uint32_t OS_TID;
emilmont 6:350b53afb889 61 typedef uint32_t OS_MUT[3];
emilmont 6:350b53afb889 62 typedef uint32_t OS_RESULT;
emilmont 6:350b53afb889 63
emilmont 6:350b53afb889 64 #define runtask_id() rt_tsk_self()
emilmont 6:350b53afb889 65 #define mutex_init(m) rt_mut_init(m)
emilmont 6:350b53afb889 66 #define mutex_wait(m) os_mut_wait(m,0xFFFF)
emilmont 6:350b53afb889 67 #define mutex_rel(m) os_mut_release(m)
emilmont 6:350b53afb889 68
emilmont 6:350b53afb889 69 extern OS_TID rt_tsk_self (void);
emilmont 6:350b53afb889 70 extern void rt_mut_init (OS_ID mutex);
emilmont 6:350b53afb889 71 extern OS_RESULT rt_mut_release (OS_ID mutex);
emilmont 6:350b53afb889 72 extern OS_RESULT rt_mut_wait (OS_ID mutex, uint16_t timeout);
emilmont 6:350b53afb889 73
emilmont 6:350b53afb889 74 #define os_mut_wait(mutex,timeout) _os_mut_wait((uint32_t)rt_mut_wait,mutex,timeout)
emilmont 6:350b53afb889 75 #define os_mut_release(mutex) _os_mut_release((uint32_t)rt_mut_release,mutex)
emilmont 6:350b53afb889 76
emilmont 6:350b53afb889 77 OS_RESULT _os_mut_release (uint32_t p, OS_ID mutex) __svc_indirect(0);
emilmont 6:350b53afb889 78 OS_RESULT _os_mut_wait (uint32_t p, OS_ID mutex, uint16_t timeout) __svc_indirect(0);
emilmont 6:350b53afb889 79
emilmont 6:350b53afb889 80 #endif
emilmont 6:350b53afb889 81
emilmont 6:350b53afb889 82
emilmont 6:350b53afb889 83 /*----------------------------------------------------------------------------
emilmont 6:350b53afb889 84 * Global Variables
emilmont 6:350b53afb889 85 *---------------------------------------------------------------------------*/
emilmont 6:350b53afb889 86
emilmont 6:350b53afb889 87 #if (OS_TIMERS != 0)
emilmont 6:350b53afb889 88 #define OS_TASK_CNT (OS_TASKCNT + 1)
emilmont 6:350b53afb889 89 #else
emilmont 6:350b53afb889 90 #define OS_TASK_CNT OS_TASKCNT
emilmont 6:350b53afb889 91 #endif
emilmont 6:350b53afb889 92
emilmont 6:350b53afb889 93 uint16_t const os_maxtaskrun = OS_TASK_CNT;
emilmont 6:350b53afb889 94 uint32_t const os_rrobin = (OS_ROBIN << 16) | OS_ROBINTOUT;
emilmont 6:350b53afb889 95 uint32_t const os_trv = OS_TRV;
emilmont 6:350b53afb889 96 uint8_t const os_flags = OS_RUNPRIV;
emilmont 6:350b53afb889 97
emilmont 6:350b53afb889 98 /* Export following defines to uVision debugger. */
emilmont 6:350b53afb889 99 __USED uint32_t const os_clockrate = OS_TICK;
emilmont 6:350b53afb889 100 __USED uint32_t const os_timernum = 0;
emilmont 6:350b53afb889 101
emilmont 6:350b53afb889 102 /* Stack for the os_idle_demon */
emilmont 6:350b53afb889 103 unsigned int idle_task_stack[OS_IDLESTKSIZE];
emilmont 6:350b53afb889 104 unsigned short const idle_task_stack_size = OS_IDLESTKSIZE;
emilmont 6:350b53afb889 105
emilmont 6:350b53afb889 106 #ifndef OS_FIFOSZ
emilmont 6:350b53afb889 107 #define OS_FIFOSZ 16
emilmont 6:350b53afb889 108 #endif
emilmont 6:350b53afb889 109
emilmont 6:350b53afb889 110 /* Fifo Queue buffer for ISR requests.*/
emilmont 6:350b53afb889 111 uint32_t os_fifo[OS_FIFOSZ*2+1];
emilmont 6:350b53afb889 112 uint8_t const os_fifo_size = OS_FIFOSZ;
emilmont 6:350b53afb889 113
emilmont 6:350b53afb889 114 /* An array of Active task pointers. */
emilmont 6:350b53afb889 115 void *os_active_TCB[OS_TASK_CNT];
emilmont 6:350b53afb889 116
emilmont 6:350b53afb889 117 /* User Timers Resources */
emilmont 6:350b53afb889 118 #if (OS_TIMERS != 0)
emilmont 6:350b53afb889 119 extern void osTimerThread (void const *argument);
emilmont 6:350b53afb889 120 osThreadDef(osTimerThread, (osPriority)(OS_TIMERPRIO-3), 4*OS_TIMERSTKSZ);
emilmont 6:350b53afb889 121 osThreadId osThreadId_osTimerThread;
emilmont 6:350b53afb889 122 osMessageQDef(osTimerMessageQ, OS_TIMERCBQS, void *);
emilmont 6:350b53afb889 123 osMessageQId osMessageQId_osTimerMessageQ;
emilmont 6:350b53afb889 124 #else
emilmont 6:350b53afb889 125 osThreadDef_t os_thread_def_osTimerThread = { NULL };
emilmont 6:350b53afb889 126 osThreadId osThreadId_osTimerThread;
emilmont 6:350b53afb889 127 osMessageQDef(osTimerMessageQ, 0, void *);
emilmont 6:350b53afb889 128 osMessageQId osMessageQId_osTimerMessageQ;
emilmont 6:350b53afb889 129 #endif
emilmont 6:350b53afb889 130
emilmont 6:350b53afb889 131
emilmont 6:350b53afb889 132 /*----------------------------------------------------------------------------
emilmont 6:350b53afb889 133 * RTX Optimizations (empty functions)
emilmont 6:350b53afb889 134 *---------------------------------------------------------------------------*/
emilmont 6:350b53afb889 135
emilmont 6:350b53afb889 136 #if OS_ROBIN == 0
emilmont 6:350b53afb889 137 void rt_init_robin (void) {;}
emilmont 6:350b53afb889 138 void rt_chk_robin (void) {;}
emilmont 6:350b53afb889 139 #endif
emilmont 6:350b53afb889 140
emilmont 6:350b53afb889 141 #if OS_STKCHECK == 0
emilmont 6:350b53afb889 142 void rt_stk_check (void) {;}
emilmont 6:350b53afb889 143 #endif
emilmont 6:350b53afb889 144
emilmont 6:350b53afb889 145
emilmont 6:350b53afb889 146 /*----------------------------------------------------------------------------
emilmont 6:350b53afb889 147 * Standard Library multithreading interface
emilmont 6:350b53afb889 148 *---------------------------------------------------------------------------*/
emilmont 6:350b53afb889 149
emilmont 6:350b53afb889 150 #if defined (__CC_ARM) && !defined (__MICROLIB)
emilmont 6:350b53afb889 151 static OS_MUT std_libmutex[OS_MUTEXCNT];
emilmont 6:350b53afb889 152 static uint32_t nr_mutex;
emilmont 6:350b53afb889 153
emilmont 6:350b53afb889 154 /*--------------------------- _mutex_initialize -----------------------------*/
mbed_official 31:015df9e602b6 155
emilmont 6:350b53afb889 156 int _mutex_initialize (OS_ID *mutex) {
emilmont 6:350b53afb889 157 /* Allocate and initialize a system mutex. */
emilmont 6:350b53afb889 158
emilmont 6:350b53afb889 159 if (nr_mutex >= OS_MUTEXCNT) {
emilmont 6:350b53afb889 160 /* If you are here, you need to increase the number OS_MUTEXCNT. */
emilmont 9:53e6cccd8782 161 error("Not enough stdlib mutexes\n");
emilmont 6:350b53afb889 162 }
emilmont 6:350b53afb889 163 *mutex = &std_libmutex[nr_mutex++];
emilmont 6:350b53afb889 164 mutex_init (*mutex);
emilmont 6:350b53afb889 165 return (1);
emilmont 6:350b53afb889 166 }
emilmont 6:350b53afb889 167
emilmont 6:350b53afb889 168
emilmont 6:350b53afb889 169 /*--------------------------- _mutex_acquire --------------------------------*/
emilmont 6:350b53afb889 170
emilmont 6:350b53afb889 171 __attribute__((used)) void _mutex_acquire (OS_ID *mutex) {
emilmont 6:350b53afb889 172 /* Acquire a system mutex, lock stdlib resources. */
emilmont 6:350b53afb889 173 if (runtask_id ()) {
emilmont 6:350b53afb889 174 /* RTX running, acquire a mutex. */
emilmont 6:350b53afb889 175 mutex_wait (*mutex);
emilmont 6:350b53afb889 176 }
emilmont 6:350b53afb889 177 }
emilmont 6:350b53afb889 178
emilmont 6:350b53afb889 179
emilmont 6:350b53afb889 180 /*--------------------------- _mutex_release --------------------------------*/
emilmont 6:350b53afb889 181
emilmont 6:350b53afb889 182 __attribute__((used)) void _mutex_release (OS_ID *mutex) {
emilmont 6:350b53afb889 183 /* Release a system mutex, unlock stdlib resources. */
emilmont 6:350b53afb889 184 if (runtask_id ()) {
emilmont 6:350b53afb889 185 /* RTX running, release a mutex. */
emilmont 6:350b53afb889 186 mutex_rel (*mutex);
emilmont 6:350b53afb889 187 }
emilmont 6:350b53afb889 188 }
emilmont 6:350b53afb889 189
emilmont 6:350b53afb889 190 #endif
emilmont 6:350b53afb889 191
emilmont 6:350b53afb889 192
emilmont 6:350b53afb889 193 /*----------------------------------------------------------------------------
emilmont 6:350b53afb889 194 * RTX Startup
emilmont 6:350b53afb889 195 *---------------------------------------------------------------------------*/
emilmont 6:350b53afb889 196
emilmont 6:350b53afb889 197 /* Main Thread definition */
emilmont 6:350b53afb889 198 extern int main (void);
emilmont 6:350b53afb889 199 osThreadDef_t os_thread_def_main = {(os_pthread)main, osPriorityNormal, 0, NULL};
emilmont 6:350b53afb889 200
emilmont 6:350b53afb889 201 // This define should be probably moved to the CMSIS layer
mbed_official 19:98941d799678 202 #if defined(TARGET_LPC1768)
emilmont 6:350b53afb889 203 #define INITIAL_SP (0x10008000UL)
emilmont 6:350b53afb889 204
mbed_official 17:771275db0efe 205 #elif defined(TARGET_LPC11U24)
mbed_official 15:29007aef10a4 206 #define INITIAL_SP (0x10002000UL)
emilmont 6:350b53afb889 207
mbed_official 18:710466f5cf33 208 #elif defined(TARGET_LPC11U35_401) || defined(TARGET_LPC11U35_501)
mbed_official 16:f88660a9bed1 209 #define INITIAL_SP (0x10002000UL)
mbed_official 16:f88660a9bed1 210
mbed_official 17:771275db0efe 211 #elif defined(TARGET_LPC1114)
bogdanm 13:869ef732a8a2 212 #define INITIAL_SP (0x10001000UL)
bogdanm 13:869ef732a8a2 213
mbed_official 17:771275db0efe 214 #elif defined(TARGET_LPC812)
bogdanm 14:ee87e782d34f 215 #define INITIAL_SP (0x10001000UL)
bogdanm 14:ee87e782d34f 216
mbed_official 28:be2573f85b81 217 #elif defined(TARGET_KL25Z)
emilmont 10:fcb1f103f7a1 218 #define INITIAL_SP (0x20003000UL)
emilmont 10:fcb1f103f7a1 219
mbed_official 28:be2573f85b81 220 #elif defined(TARGET_K64F)
mbed_official 28:be2573f85b81 221 #define INITIAL_SP (0x20030000UL)
mbed_official 28:be2573f85b81 222
mbed_official 19:98941d799678 223 #elif defined(TARGET_KL46Z)
mbed_official 19:98941d799678 224 #define INITIAL_SP (0x20006000UL)
mbed_official 19:98941d799678 225
mbed_official 30:3761f69dbbb2 226 #elif defined(TARGET_KL05Z)
mbed_official 30:3761f69dbbb2 227 #define INITIAL_SP (0x20000C00UL)
mbed_official 30:3761f69dbbb2 228
mbed_official 17:771275db0efe 229 #elif defined(TARGET_LPC4088)
emilmont 12:58b30ac3f00e 230 #define INITIAL_SP (0x10010000UL)
emilmont 12:58b30ac3f00e 231
mbed_official 17:771275db0efe 232 #elif defined(TARGET_LPC1347)
bogdanm 13:869ef732a8a2 233 #define INITIAL_SP (0x10002000UL)
bogdanm 13:869ef732a8a2 234
mbed_official 22:da8c5ccc2f9c 235 #elif defined(TARGET_STM32F100RB) || defined(TARGET_STM32F051R8)
mbed_official 20:991c4c00af93 236 #define INITIAL_SP (0x20002000UL)
mbed_official 20:991c4c00af93 237
mbed_official 27:4ef72665e2c8 238 #elif defined(TARGET_DISCO_F303VC)
mbed_official 27:4ef72665e2c8 239 #define INITIAL_SP (0x2000A000UL)
mbed_official 27:4ef72665e2c8 240
mbed_official 24:4e0e79c9b976 241 #elif defined(TARGET_STM32F407) || defined(TARGET_F407VG)
mbed_official 23:c2779d329e1c 242 #define INITIAL_SP (0x20020000UL)
mbed_official 23:c2779d329e1c 243
mbed_official 29:5dfe422a963d 244 #elif defined(TARGET_LPC1549)
mbed_official 29:5dfe422a963d 245 #define INITIAL_SP (0x02009000UL)
mbed_official 29:5dfe422a963d 246
mbed_official 29:5dfe422a963d 247 #elif defined(TARGET_LPC11U68)
mbed_official 29:5dfe422a963d 248 #define INITIAL_SP (0x10004000UL)
mbed_official 29:5dfe422a963d 249
mbed_official 32:e98f5e27f346 250 #elif defined(TARGET_NRF51822)
mbed_official 32:e98f5e27f346 251 #define INITIAL_SP (0x20004000UL)
mbed_official 32:e98f5e27f346 252
mbed_official 21:90ff8157f1d2 253 #else
mbed_official 21:90ff8157f1d2 254 #error "no target defined"
mbed_official 21:90ff8157f1d2 255
emilmont 6:350b53afb889 256 #endif
emilmont 6:350b53afb889 257
emilmont 12:58b30ac3f00e 258 #ifdef __CC_ARM
emilmont 12:58b30ac3f00e 259 extern unsigned char Image$$RW_IRAM1$$ZI$$Limit[];
emilmont 12:58b30ac3f00e 260 #define HEAP_START (Image$$RW_IRAM1$$ZI$$Limit)
emilmont 12:58b30ac3f00e 261 #elif defined(__GNUC__)
mbed_official 15:29007aef10a4 262 extern unsigned char __end__[];
mbed_official 15:29007aef10a4 263 #define HEAP_START (__end__)
emilmont 12:58b30ac3f00e 264 #endif
emilmont 6:350b53afb889 265
emilmont 6:350b53afb889 266 void set_main_stack(void) {
emilmont 12:58b30ac3f00e 267 // That is the bottom of the main stack block: no collision detection
emilmont 12:58b30ac3f00e 268 os_thread_def_main.stack_pointer = HEAP_START;
mbed_official 31:015df9e602b6 269
emilmont 6:350b53afb889 270 // Leave OS_SCHEDULERSTKSIZE words for the scheduler and interrupts
emilmont 12:58b30ac3f00e 271 os_thread_def_main.stacksize = (INITIAL_SP - (unsigned int)HEAP_START) - (OS_SCHEDULERSTKSIZE * 4);
emilmont 6:350b53afb889 272 }
emilmont 6:350b53afb889 273
emilmont 12:58b30ac3f00e 274 #if defined (__CC_ARM)
emilmont 6:350b53afb889 275 #ifdef __MICROLIB
emilmont 6:350b53afb889 276 void _main_init (void) __attribute__((section(".ARM.Collect$$$$000000FF")));
emilmont 6:350b53afb889 277 void _main_init (void) {
emilmont 6:350b53afb889 278 osKernelInitialize();
emilmont 6:350b53afb889 279 set_main_stack();
emilmont 6:350b53afb889 280 osThreadCreate(&os_thread_def_main, NULL);
emilmont 6:350b53afb889 281 osKernelStart();
emilmont 6:350b53afb889 282 for (;;);
emilmont 6:350b53afb889 283 }
emilmont 6:350b53afb889 284 #else
emilmont 6:350b53afb889 285
emilmont 6:350b53afb889 286 /* The single memory model is checking for stack collision at run time, verifing
emilmont 6:350b53afb889 287 that the heap pointer is underneath the stack pointer.
mbed_official 31:015df9e602b6 288
emilmont 6:350b53afb889 289 With the RTOS there is not only one stack above the heap, there are multiple
emilmont 6:350b53afb889 290 stacks and some of them are underneath the heap pointer.
emilmont 6:350b53afb889 291 */
emilmont 6:350b53afb889 292 #pragma import(__use_two_region_memory)
emilmont 6:350b53afb889 293
emilmont 6:350b53afb889 294 __asm void __rt_entry (void) {
emilmont 6:350b53afb889 295
emilmont 6:350b53afb889 296 IMPORT __user_setup_stackheap
emilmont 6:350b53afb889 297 IMPORT __rt_lib_init
emilmont 6:350b53afb889 298 IMPORT os_thread_def_main
emilmont 6:350b53afb889 299 IMPORT osKernelInitialize
emilmont 6:350b53afb889 300 IMPORT set_main_stack
emilmont 6:350b53afb889 301 IMPORT osKernelStart
emilmont 6:350b53afb889 302 IMPORT osThreadCreate
emilmont 6:350b53afb889 303 IMPORT exit
emilmont 6:350b53afb889 304
emilmont 6:350b53afb889 305 BL __user_setup_stackheap
emilmont 6:350b53afb889 306 MOV R1,R2
emilmont 6:350b53afb889 307 BL __rt_lib_init
emilmont 6:350b53afb889 308 BL osKernelInitialize
emilmont 6:350b53afb889 309 BL set_main_stack
emilmont 6:350b53afb889 310 LDR R0,=os_thread_def_main
emilmont 6:350b53afb889 311 MOVS R1,#0
emilmont 6:350b53afb889 312 BL osThreadCreate
emilmont 6:350b53afb889 313 BL osKernelStart
emilmont 6:350b53afb889 314 BL exit
emilmont 6:350b53afb889 315
emilmont 6:350b53afb889 316 ALIGN
emilmont 6:350b53afb889 317 }
emilmont 6:350b53afb889 318 #endif
emilmont 6:350b53afb889 319
emilmont 6:350b53afb889 320 #elif defined (__GNUC__)
emilmont 6:350b53afb889 321
emilmont 6:350b53afb889 322 #ifdef __CS3__
emilmont 6:350b53afb889 323
emilmont 6:350b53afb889 324 /* CS3 start_c routine.
emilmont 6:350b53afb889 325 *
emilmont 6:350b53afb889 326 * Copyright (c) 2006, 2007 CodeSourcery Inc
emilmont 6:350b53afb889 327 *
emilmont 6:350b53afb889 328 * The authors hereby grant permission to use, copy, modify, distribute,
emilmont 6:350b53afb889 329 * and license this software and its documentation for any purpose, provided
emilmont 6:350b53afb889 330 * that existing copyright notices are retained in all copies and that this
emilmont 6:350b53afb889 331 * notice is included verbatim in any distributions. No written agreement,
emilmont 6:350b53afb889 332 * license, or royalty fee is required for any of the authorized uses.
emilmont 6:350b53afb889 333 * Modifications to this software may be copyrighted by their authors
emilmont 6:350b53afb889 334 * and need not follow the licensing terms described here, provided that
emilmont 6:350b53afb889 335 * the new terms are clearly indicated on the first page of each file where
emilmont 6:350b53afb889 336 * they apply.
emilmont 6:350b53afb889 337 */
emilmont 6:350b53afb889 338
emilmont 6:350b53afb889 339 #include "cs3.h"
emilmont 6:350b53afb889 340
emilmont 6:350b53afb889 341 extern void __libc_init_array (void);
emilmont 6:350b53afb889 342
emilmont 6:350b53afb889 343 __attribute ((noreturn)) void __cs3_start_c (void){
emilmont 6:350b53afb889 344 unsigned regions = __cs3_region_num;
emilmont 6:350b53afb889 345 const struct __cs3_region *rptr = __cs3_regions;
emilmont 6:350b53afb889 346
emilmont 6:350b53afb889 347 /* Initialize memory */
emilmont 6:350b53afb889 348 for (regions = __cs3_region_num, rptr = __cs3_regions; regions--; rptr++) {
emilmont 6:350b53afb889 349 long long *src = (long long *)rptr->init;
emilmont 6:350b53afb889 350 long long *dst = (long long *)rptr->data;
emilmont 6:350b53afb889 351 unsigned limit = rptr->init_size;
emilmont 6:350b53afb889 352 unsigned count;
emilmont 6:350b53afb889 353
emilmont 6:350b53afb889 354 if (src != dst)
emilmont 6:350b53afb889 355 for (count = 0; count != limit; count += sizeof (long long))
emilmont 6:350b53afb889 356 *dst++ = *src++;
mbed_official 26:cb1d43beeb70 357 else
emilmont 6:350b53afb889 358 dst = (long long *)((char *)dst + limit);
emilmont 6:350b53afb889 359 limit = rptr->zero_size;
emilmont 6:350b53afb889 360 for (count = 0; count != limit; count += sizeof (long long))
emilmont 6:350b53afb889 361 *dst++ = 0;
emilmont 6:350b53afb889 362 }
emilmont 6:350b53afb889 363
emilmont 6:350b53afb889 364 /* Run initializers. */
emilmont 6:350b53afb889 365 __libc_init_array ();
emilmont 6:350b53afb889 366
emilmont 6:350b53afb889 367 osKernelInitialize();
emilmont 12:58b30ac3f00e 368 set_main_stack();
emilmont 6:350b53afb889 369 osThreadCreate(&os_thread_def_main, NULL);
emilmont 6:350b53afb889 370 osKernelStart();
emilmont 6:350b53afb889 371 for (;;);
emilmont 6:350b53afb889 372 }
emilmont 6:350b53afb889 373
emilmont 6:350b53afb889 374 #else
emilmont 6:350b53afb889 375
emilmont 6:350b53afb889 376 __attribute__((naked)) void software_init_hook (void) {
emilmont 6:350b53afb889 377 __asm (
emilmont 6:350b53afb889 378 ".syntax unified\n"
emilmont 6:350b53afb889 379 ".thumb\n"
emilmont 6:350b53afb889 380 "movs r0,#0\n"
emilmont 6:350b53afb889 381 "movs r1,#0\n"
emilmont 6:350b53afb889 382 "mov r4,r0\n"
emilmont 6:350b53afb889 383 "mov r5,r1\n"
emilmont 6:350b53afb889 384 "ldr r0,= __libc_fini_array\n"
emilmont 6:350b53afb889 385 "bl atexit\n"
emilmont 6:350b53afb889 386 "bl __libc_init_array\n"
emilmont 6:350b53afb889 387 "mov r0,r4\n"
emilmont 6:350b53afb889 388 "mov r1,r5\n"
emilmont 6:350b53afb889 389 "bl osKernelInitialize\n"
emilmont 12:58b30ac3f00e 390 "bl set_main_stack\n"
emilmont 6:350b53afb889 391 "ldr r0,=os_thread_def_main\n"
emilmont 6:350b53afb889 392 "movs r1,#0\n"
emilmont 6:350b53afb889 393 "bl osThreadCreate\n"
emilmont 6:350b53afb889 394 "bl osKernelStart\n"
emilmont 6:350b53afb889 395 "bl exit\n"
emilmont 6:350b53afb889 396 );
emilmont 6:350b53afb889 397 }
emilmont 6:350b53afb889 398
emilmont 6:350b53afb889 399 #endif
emilmont 6:350b53afb889 400
emilmont 6:350b53afb889 401 #elif defined (__ICCARM__)
emilmont 6:350b53afb889 402
emilmont 6:350b53afb889 403 extern int __low_level_init(void);
emilmont 6:350b53afb889 404 extern void __iar_data_init3(void);
emilmont 6:350b53afb889 405 extern void exit(int arg);
emilmont 6:350b53afb889 406
emilmont 6:350b53afb889 407 __noreturn __stackless void __cmain(void) {
emilmont 6:350b53afb889 408 int a;
mbed_official 31:015df9e602b6 409
emilmont 6:350b53afb889 410 if (__low_level_init() != 0) {
emilmont 6:350b53afb889 411 __iar_data_init3();
emilmont 6:350b53afb889 412 }
emilmont 6:350b53afb889 413 osKernelInitialize();
emilmont 6:350b53afb889 414 osThreadCreate(&os_thread_def_main, NULL);
emilmont 6:350b53afb889 415 a = osKernelStart();
emilmont 6:350b53afb889 416 exit(a);
emilmont 6:350b53afb889 417 }
emilmont 6:350b53afb889 418
emilmont 6:350b53afb889 419 #endif
emilmont 6:350b53afb889 420
emilmont 6:350b53afb889 421
emilmont 6:350b53afb889 422 /*----------------------------------------------------------------------------
emilmont 6:350b53afb889 423 * end of file
emilmont 6:350b53afb889 424 *---------------------------------------------------------------------------*/
emilmont 6:350b53afb889 425