Rizky Ardi Maulana / mbed-os

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rtos/rtx/TARGET_CORTEX_M/TARGET_RTOS_M4_M7/TOOLCHAIN_IAR/HAL_CM4.S@0:f269e3021894, 2016-10-23 (annotated)

Committer:
elessair
Date:
Sun Oct 23 15:10:02 2016 +0000
Revision:
0:f269e3021894
Initial commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
elessair 0:f269e3021894 1 /*----------------------------------------------------------------------------
elessair 0:f269e3021894 2 * CMSIS-RTOS - RTX
elessair 0:f269e3021894 3 *----------------------------------------------------------------------------
elessair 0:f269e3021894 4 * Name: HAL_CM4.S
elessair 0:f269e3021894 5 * Purpose: Hardware Abstraction Layer for Cortex-M4
elessair 0:f269e3021894 6 * Rev.: V4.79
elessair 0:f269e3021894 7 *----------------------------------------------------------------------------
elessair 0:f269e3021894 8 *
elessair 0:f269e3021894 9 * Copyright (c) 1999-2009 KEIL, 2009-2015 ARM Germany GmbH
elessair 0:f269e3021894 10 * All rights reserved.
elessair 0:f269e3021894 11 * Redistribution and use in source and binary forms, with or without
elessair 0:f269e3021894 12 * modification, are permitted provided that the following conditions are met:
elessair 0:f269e3021894 13 * - Redistributions of source code must retain the above copyright
elessair 0:f269e3021894 14 * notice, this list of conditions and the following disclaimer.
elessair 0:f269e3021894 15 * - Redistributions in binary form must reproduce the above copyright
elessair 0:f269e3021894 16 * notice, this list of conditions and the following disclaimer in the
elessair 0:f269e3021894 17 * documentation and/or other materials provided with the distribution.
elessair 0:f269e3021894 18 * - Neither the name of ARM nor the names of its contributors may be used
elessair 0:f269e3021894 19 * to endorse or promote products derived from this software without
elessair 0:f269e3021894 20 * specific prior written permission.
elessair 0:f269e3021894 21 *
elessair 0:f269e3021894 22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
elessair 0:f269e3021894 23 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
elessair 0:f269e3021894 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
elessair 0:f269e3021894 25 * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
elessair 0:f269e3021894 26 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
elessair 0:f269e3021894 27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
elessair 0:f269e3021894 28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
elessair 0:f269e3021894 29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
elessair 0:f269e3021894 30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
elessair 0:f269e3021894 31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
elessair 0:f269e3021894 32 * POSSIBILITY OF SUCH DAMAGE.
elessair 0:f269e3021894 33 *---------------------------------------------------------------------------*/
elessair 0:f269e3021894 34
elessair 0:f269e3021894 35 NAME HAL_CM4.S
elessair 0:f269e3021894 36
elessair 0:f269e3021894 37 #define TCB_STACKF 37
elessair 0:f269e3021894 38 #define TCB_TSTACK 44
elessair 0:f269e3021894 39
elessair 0:f269e3021894 40 EXTERN os_flags
elessair 0:f269e3021894 41 EXTERN os_tsk
elessair 0:f269e3021894 42 EXTERN rt_alloc_box
elessair 0:f269e3021894 43 EXTERN rt_free_box
elessair 0:f269e3021894 44 EXTERN rt_stk_check
elessair 0:f269e3021894 45 EXTERN rt_pop_req
elessair 0:f269e3021894 46 EXTERN rt_systick
elessair 0:f269e3021894 47 EXTERN os_tick_irqack
elessair 0:f269e3021894 48 EXTERN SVC_Table
elessair 0:f269e3021894 49 EXTERN SVC_Count
elessair 0:f269e3021894 50
elessair 0:f269e3021894 51 /*----------------------------------------------------------------------------
elessair 0:f269e3021894 52 * Functions
elessair 0:f269e3021894 53 *---------------------------------------------------------------------------*/
elessair 0:f269e3021894 54
elessair 0:f269e3021894 55 SECTION .text:CODE:NOROOT(2)
elessair 0:f269e3021894 56 THUMB
elessair 0:f269e3021894 57
elessair 0:f269e3021894 58 /*--------------------------- rt_set_PSP ------------------------------------*/
elessair 0:f269e3021894 59
elessair 0:f269e3021894 60 ; void rt_set_PSP (U32 stack);
elessair 0:f269e3021894 61
elessair 0:f269e3021894 62 PUBLIC rt_set_PSP
elessair 0:f269e3021894 63 rt_set_PSP:
elessair 0:f269e3021894 64
elessair 0:f269e3021894 65 MSR PSP,R0
elessair 0:f269e3021894 66 BX LR
elessair 0:f269e3021894 67
elessair 0:f269e3021894 68
elessair 0:f269e3021894 69 /*--------------------------- rt_get_PSP ------------------------------------*/
elessair 0:f269e3021894 70
elessair 0:f269e3021894 71 ; U32 rt_get_PSP (void);
elessair 0:f269e3021894 72
elessair 0:f269e3021894 73 PUBLIC rt_get_PSP
elessair 0:f269e3021894 74 rt_get_PSP:
elessair 0:f269e3021894 75
elessair 0:f269e3021894 76 MRS R0,PSP
elessair 0:f269e3021894 77 BX LR
elessair 0:f269e3021894 78
elessair 0:f269e3021894 79
elessair 0:f269e3021894 80 /*--------------------------- os_set_env ------------------------------------*/
elessair 0:f269e3021894 81
elessair 0:f269e3021894 82 ; void os_set_env (void);
elessair 0:f269e3021894 83 /* Switch to Unprivileged/Privileged Thread mode, use PSP. */
elessair 0:f269e3021894 84
elessair 0:f269e3021894 85 PUBLIC os_set_env
elessair 0:f269e3021894 86 os_set_env:
elessair 0:f269e3021894 87
elessair 0:f269e3021894 88 MOV R0,SP /* PSP = MSP */
elessair 0:f269e3021894 89 MSR PSP,R0
elessair 0:f269e3021894 90 LDR R0,=os_flags
elessair 0:f269e3021894 91 LDRB R0,[R0]
elessair 0:f269e3021894 92 LSLS R0,#31
elessair 0:f269e3021894 93 ITE NE
elessair 0:f269e3021894 94 MOVNE R0,#0x02 /* Privileged Thread mode, use PSP */
elessair 0:f269e3021894 95 MOVEQ R0,#0x03 /* Unprivileged Thread mode, use PSP */
elessair 0:f269e3021894 96 MSR CONTROL,R0
elessair 0:f269e3021894 97 BX LR
elessair 0:f269e3021894 98
elessair 0:f269e3021894 99
elessair 0:f269e3021894 100 /*--------------------------- _alloc_box ------------------------------------*/
elessair 0:f269e3021894 101
elessair 0:f269e3021894 102 ; void *_alloc_box (void *box_mem);
elessair 0:f269e3021894 103 /* Function wrapper for Unprivileged/Privileged mode. */
elessair 0:f269e3021894 104
elessair 0:f269e3021894 105 PUBLIC _alloc_box
elessair 0:f269e3021894 106 _alloc_box:
elessair 0:f269e3021894 107
elessair 0:f269e3021894 108 LDR R12,=rt_alloc_box
elessair 0:f269e3021894 109 MRS R3,IPSR
elessair 0:f269e3021894 110 LSLS R3,#24
elessair 0:f269e3021894 111 IT NE
elessair 0:f269e3021894 112 BXNE R12
elessair 0:f269e3021894 113 MRS R3,CONTROL
elessair 0:f269e3021894 114 LSLS R3,#31
elessair 0:f269e3021894 115 IT EQ
elessair 0:f269e3021894 116 BXEQ R12
elessair 0:f269e3021894 117 SVC 0
elessair 0:f269e3021894 118 BX LR
elessair 0:f269e3021894 119
elessair 0:f269e3021894 120
elessair 0:f269e3021894 121 /*--------------------------- _free_box -------------------------------------*/
elessair 0:f269e3021894 122
elessair 0:f269e3021894 123 ; U32 _free_box (void *box_mem, void *box);
elessair 0:f269e3021894 124 /* Function wrapper for Unprivileged/Privileged mode. */
elessair 0:f269e3021894 125
elessair 0:f269e3021894 126 PUBLIC _free_box
elessair 0:f269e3021894 127 _free_box:
elessair 0:f269e3021894 128
elessair 0:f269e3021894 129 LDR R12,=rt_free_box
elessair 0:f269e3021894 130 MRS R3,IPSR
elessair 0:f269e3021894 131 LSLS R3,#24
elessair 0:f269e3021894 132 IT NE
elessair 0:f269e3021894 133 BXNE R12
elessair 0:f269e3021894 134 MRS R3,CONTROL
elessair 0:f269e3021894 135 LSLS R3,#31
elessair 0:f269e3021894 136 IT EQ
elessair 0:f269e3021894 137 BXEQ R12
elessair 0:f269e3021894 138 SVC 0
elessair 0:f269e3021894 139 BX LR
elessair 0:f269e3021894 140
elessair 0:f269e3021894 141
elessair 0:f269e3021894 142 /*-------------------------- SVC_Handler ------------------------------------*/
elessair 0:f269e3021894 143
elessair 0:f269e3021894 144 ; void SVC_Handler (void);
elessair 0:f269e3021894 145
elessair 0:f269e3021894 146 PUBLIC SVC_Handler
elessair 0:f269e3021894 147 SVC_Handler:
elessair 0:f269e3021894 148
elessair 0:f269e3021894 149 #ifdef IFX_XMC4XXX
elessair 0:f269e3021894 150 PUBLIC SVC_Handler_Veneer
elessair 0:f269e3021894 151 SVC_Handler_Veneer:
elessair 0:f269e3021894 152 #endif
elessair 0:f269e3021894 153
elessair 0:f269e3021894 154 MRS R0,PSP /* Read PSP */
elessair 0:f269e3021894 155 LDR R1,[R0,#24] /* Read Saved PC from Stack */
elessair 0:f269e3021894 156 LDRB R1,[R1,#-2] /* Load SVC Number */
elessair 0:f269e3021894 157 CBNZ R1,SVC_User
elessair 0:f269e3021894 158
elessair 0:f269e3021894 159 LDM R0,{R0-R3,R12} /* Read R0-R3,R12 from stack */
elessair 0:f269e3021894 160 PUSH {R4,LR} /* Save EXC_RETURN */
elessair 0:f269e3021894 161 BLX R12 /* Call SVC Function */
elessair 0:f269e3021894 162 POP {R4,LR} /* Restore EXC_RETURN */
elessair 0:f269e3021894 163
elessair 0:f269e3021894 164 MRS R12,PSP /* Read PSP */
elessair 0:f269e3021894 165 STM R12,{R0-R2} /* Store return values */
elessair 0:f269e3021894 166
elessair 0:f269e3021894 167 LDR R3,=os_tsk
elessair 0:f269e3021894 168 LDM R3,{R1,R2} /* os_tsk.run, os_tsk.new */
elessair 0:f269e3021894 169 CMP R1,R2
elessair 0:f269e3021894 170 #ifdef IFX_XMC4XXX
elessair 0:f269e3021894 171 ITT EQ
elessair 0:f269e3021894 172 PUSHEQ {LR}
elessair 0:f269e3021894 173 POPEQ {PC}
elessair 0:f269e3021894 174 #else
elessair 0:f269e3021894 175 IT EQ
elessair 0:f269e3021894 176 BXEQ LR /* RETI, no task switch */
elessair 0:f269e3021894 177 #endif
elessair 0:f269e3021894 178
elessair 0:f269e3021894 179 CBNZ R1,SVC_ContextSave /* Runtask not deleted? */
elessair 0:f269e3021894 180
elessair 0:f269e3021894 181 TST LR,#0x10 /* is it extended frame? */
elessair 0:f269e3021894 182 BNE SVC_ContextRestore
elessair 0:f269e3021894 183 LDR R1,=0xE000EF34
elessair 0:f269e3021894 184 LDR R0,[R1] /* Load FPCCR */
elessair 0:f269e3021894 185 BIC R0,R0,#1 /* Clear LSPACT (Lazy state) */
elessair 0:f269e3021894 186 STR R0,[R1] /* Store FPCCR */
elessair 0:f269e3021894 187 B SVC_ContextRestore
elessair 0:f269e3021894 188
elessair 0:f269e3021894 189 SVC_ContextSave:
elessair 0:f269e3021894 190 TST LR,#0x10 /* is it extended frame? */
elessair 0:f269e3021894 191 #if (__FPU_PRESENT == 1)
elessair 0:f269e3021894 192 ITTE EQ
elessair 0:f269e3021894 193 VSTMDBEQ R12!,{S16-S31} /* yes, stack also VFP hi-regs */
elessair 0:f269e3021894 194 #else
elessair 0:f269e3021894 195 ITE EQ
elessair 0:f269e3021894 196 #endif
elessair 0:f269e3021894 197 MOVEQ R0,#0x01 /* os_tsk->stack_frame val */
elessair 0:f269e3021894 198 MOVNE R0,#0x00
elessair 0:f269e3021894 199 STRB R0,[R1,#TCB_STACKF] /* os_tsk.run->stack_frame = val */
elessair 0:f269e3021894 200 STMDB R12!,{R4-R11} /* Save Old context */
elessair 0:f269e3021894 201 STR R12,[R1,#TCB_TSTACK] /* Update os_tsk.run->tsk_stack */
elessair 0:f269e3021894 202
elessair 0:f269e3021894 203 PUSH {R2,R3}
elessair 0:f269e3021894 204 BL rt_stk_check /* Check for Stack overflow */
elessair 0:f269e3021894 205 POP {R2,R3}
elessair 0:f269e3021894 206
elessair 0:f269e3021894 207 SVC_ContextRestore:
elessair 0:f269e3021894 208 STR R2,[R3] /* os_tsk.run = os_tsk.new */
elessair 0:f269e3021894 209
elessair 0:f269e3021894 210 LDR R12,[R2,#TCB_TSTACK] /* os_tsk.new->tsk_stack */
elessair 0:f269e3021894 211 LDMIA R12!,{R4-R11} /* Restore New Context */
elessair 0:f269e3021894 212 LDRB R0,[R2,#TCB_STACKF] /* Stack Frame */
elessair 0:f269e3021894 213 CMP R0,#0 /* Basic/Extended Stack Frame */
elessair 0:f269e3021894 214 #if (__FPU_PRESENT == 1)
elessair 0:f269e3021894 215 ITEE EQ
elessair 0:f269e3021894 216 #else
elessair 0:f269e3021894 217 ITE EQ
elessair 0:f269e3021894 218 #endif
elessair 0:f269e3021894 219 MVNEQ LR,#~0xFFFFFFFD /* set EXC_RETURN value */
elessair 0:f269e3021894 220 MVNNE LR,#~0xFFFFFFED
elessair 0:f269e3021894 221 #if (__FPU_PRESENT == 1)
elessair 0:f269e3021894 222 VLDMIANE R12!,{S16-S31} /* restore VFP hi-registers */
elessair 0:f269e3021894 223 #endif
elessair 0:f269e3021894 224 MSR PSP,R12 /* Write PSP */
elessair 0:f269e3021894 225
elessair 0:f269e3021894 226 SVC_Exit:
elessair 0:f269e3021894 227 #ifdef IFX_XMC4XXX
elessair 0:f269e3021894 228 PUSH {LR}
elessair 0:f269e3021894 229 POP {PC}
elessair 0:f269e3021894 230 #else
elessair 0:f269e3021894 231 BX LR
elessair 0:f269e3021894 232 #endif
elessair 0:f269e3021894 233
elessair 0:f269e3021894 234 /*------------------- User SVC ------------------------------*/
elessair 0:f269e3021894 235
elessair 0:f269e3021894 236 SVC_User:
elessair 0:f269e3021894 237 PUSH {R4,LR} /* Save Registers */
elessair 0:f269e3021894 238 LDR R2,=SVC_Count
elessair 0:f269e3021894 239 LDR R2,[R2]
elessair 0:f269e3021894 240 CMP R1,R2
elessair 0:f269e3021894 241 BHI SVC_Done /* Overflow */
elessair 0:f269e3021894 242
elessair 0:f269e3021894 243 LDR R4,=SVC_Table-4
elessair 0:f269e3021894 244 LDR R4,[R4,R1,LSL #2] /* Load SVC Function Address */
elessair 0:f269e3021894 245
elessair 0:f269e3021894 246 LDM R0,{R0-R3,R12} /* Read R0-R3,R12 from stack */
elessair 0:f269e3021894 247 BLX R4 /* Call SVC Function */
elessair 0:f269e3021894 248
elessair 0:f269e3021894 249 MRS R12,PSP
elessair 0:f269e3021894 250 STM R12,{R0-R3} /* Function return values */
elessair 0:f269e3021894 251 SVC_Done:
elessair 0:f269e3021894 252 POP {R4,PC} /* RETI */
elessair 0:f269e3021894 253
elessair 0:f269e3021894 254
elessair 0:f269e3021894 255 /*-------------------------- PendSV_Handler ---------------------------------*/
elessair 0:f269e3021894 256
elessair 0:f269e3021894 257 ; void PendSV_Handler (void);
elessair 0:f269e3021894 258
elessair 0:f269e3021894 259 PUBLIC PendSV_Handler
elessair 0:f269e3021894 260 PendSV_Handler:
elessair 0:f269e3021894 261
elessair 0:f269e3021894 262 #ifdef IFX_XMC4XXX
elessair 0:f269e3021894 263 PUBLIC PendSV_Handler_Veneer
elessair 0:f269e3021894 264 PendSV_Handler_Veneer:
elessair 0:f269e3021894 265 #endif
elessair 0:f269e3021894 266
elessair 0:f269e3021894 267 PUSH {R4,LR} /* Save EXC_RETURN */
elessair 0:f269e3021894 268 BL rt_pop_req
elessair 0:f269e3021894 269
elessair 0:f269e3021894 270 Sys_Switch:
elessair 0:f269e3021894 271 POP {R4,LR} /* Restore EXC_RETURN */
elessair 0:f269e3021894 272
elessair 0:f269e3021894 273 LDR R3,=os_tsk
elessair 0:f269e3021894 274 LDM R3,{R1,R2} /* os_tsk.run, os_tsk.new */
elessair 0:f269e3021894 275 CMP R1,R2
elessair 0:f269e3021894 276 #ifdef IFX_XMC4XXX
elessair 0:f269e3021894 277 ITT EQ
elessair 0:f269e3021894 278 PUSHEQ {LR}
elessair 0:f269e3021894 279 POPEQ {PC}
elessair 0:f269e3021894 280 #else
elessair 0:f269e3021894 281 IT EQ
elessair 0:f269e3021894 282 BXEQ LR /* RETI, no task switch */
elessair 0:f269e3021894 283 #endif
elessair 0:f269e3021894 284
elessair 0:f269e3021894 285 MRS R12,PSP /* Read PSP */
elessair 0:f269e3021894 286 TST LR,#0x10 /* is it extended frame? */
elessair 0:f269e3021894 287 #if (__FPU_PRESENT == 1)
elessair 0:f269e3021894 288 ITTE EQ
elessair 0:f269e3021894 289 VSTMDBEQ R12!,{S16-S31} /* yes, stack also VFP hi-regs */
elessair 0:f269e3021894 290 #else
elessair 0:f269e3021894 291 ITE EQ
elessair 0:f269e3021894 292 #endif
elessair 0:f269e3021894 293 MOVEQ R0,#0x01 /* os_tsk->stack_frame val */
elessair 0:f269e3021894 294 MOVNE R0,#0x00
elessair 0:f269e3021894 295 STRB R0,[R1,#TCB_STACKF] /* os_tsk.run->stack_frame = val */
elessair 0:f269e3021894 296 STMDB R12!,{R4-R11} /* Save Old context */
elessair 0:f269e3021894 297 STR R12,[R1,#TCB_TSTACK] /* Update os_tsk.run->tsk_stack */
elessair 0:f269e3021894 298
elessair 0:f269e3021894 299 PUSH {R2,R3}
elessair 0:f269e3021894 300 BL rt_stk_check /* Check for Stack overflow */
elessair 0:f269e3021894 301 POP {R2,R3}
elessair 0:f269e3021894 302
elessair 0:f269e3021894 303 STR R2,[R3] /* os_tsk.run = os_tsk.new */
elessair 0:f269e3021894 304
elessair 0:f269e3021894 305 LDR R12,[R2,#TCB_TSTACK] /* os_tsk.new->tsk_stack */
elessair 0:f269e3021894 306 LDMIA R12!,{R4-R11} /* Restore New Context */
elessair 0:f269e3021894 307 LDRB R0,[R2,#TCB_STACKF] /* Stack Frame */
elessair 0:f269e3021894 308 CMP R0,#0 /* Basic/Extended Stack Frame */
elessair 0:f269e3021894 309 #if (__FPU_PRESENT == 1)
elessair 0:f269e3021894 310 ITEE EQ
elessair 0:f269e3021894 311 #else
elessair 0:f269e3021894 312 ITE EQ
elessair 0:f269e3021894 313 #endif
elessair 0:f269e3021894 314 MVNEQ LR,#~0xFFFFFFFD /* set EXC_RETURN value */
elessair 0:f269e3021894 315 MVNNE LR,#~0xFFFFFFED
elessair 0:f269e3021894 316 #if (__FPU_PRESENT == 1)
elessair 0:f269e3021894 317 VLDMIANE R12!,{S16-S31} /* restore VFP hi-registers */
elessair 0:f269e3021894 318 #endif
elessair 0:f269e3021894 319 MSR PSP,R12 /* Write PSP */
elessair 0:f269e3021894 320
elessair 0:f269e3021894 321 Sys_Exit:
elessair 0:f269e3021894 322 #ifdef IFX_XMC4XXX
elessair 0:f269e3021894 323 PUSH {LR}
elessair 0:f269e3021894 324 POP {PC}
elessair 0:f269e3021894 325 #else
elessair 0:f269e3021894 326 BX LR /* Return to Thread Mode */
elessair 0:f269e3021894 327 #endif
elessair 0:f269e3021894 328
elessair 0:f269e3021894 329
elessair 0:f269e3021894 330 /*-------------------------- SysTick_Handler --------------------------------*/
elessair 0:f269e3021894 331
elessair 0:f269e3021894 332 ; void SysTick_Handler (void);
elessair 0:f269e3021894 333
elessair 0:f269e3021894 334 PUBLIC SysTick_Handler
elessair 0:f269e3021894 335 SysTick_Handler:
elessair 0:f269e3021894 336 #ifdef IFX_XMC4XXX
elessair 0:f269e3021894 337 PUBLIC SysTick_Handler_Veneer
elessair 0:f269e3021894 338 SysTick_Handler_Veneer:
elessair 0:f269e3021894 339 #endif
elessair 0:f269e3021894 340
elessair 0:f269e3021894 341 PUSH {R4,LR} /* Save EXC_RETURN */
elessair 0:f269e3021894 342 BL rt_systick
elessair 0:f269e3021894 343 B Sys_Switch
elessair 0:f269e3021894 344
elessair 0:f269e3021894 345
elessair 0:f269e3021894 346 /*-------------------------- OS_Tick_Handler --------------------------------*/
elessair 0:f269e3021894 347
elessair 0:f269e3021894 348 ; void OS_Tick_Handler (void);
elessair 0:f269e3021894 349
elessair 0:f269e3021894 350 PUBLIC OS_Tick_Handler
elessair 0:f269e3021894 351 OS_Tick_Handler:
elessair 0:f269e3021894 352
elessair 0:f269e3021894 353 PUSH {R4,LR} /* Save EXC_RETURN */
elessair 0:f269e3021894 354 BL os_tick_irqack
elessair 0:f269e3021894 355 BL rt_systick
elessair 0:f269e3021894 356 B Sys_Switch
elessair 0:f269e3021894 357
elessair 0:f269e3021894 358
elessair 0:f269e3021894 359 END
elessair 0:f269e3021894 360
elessair 0:f269e3021894 361 /*----------------------------------------------------------------------------
elessair 0:f269e3021894 362 * end of file
elessair 0:f269e3021894 363 *---------------------------------------------------------------------------*/