Arturo Pesaro / mbed-rtos

a

Fork of mbed-rtos by mbed official

rtx/LPC11U24/GCC_ARM/HAL_CM0.s@6:350b53afb889, 2012-11-23 (annotated)

Committer:
emilmont
Date:
Fri Nov 23 09:57:31 2012 +0000
Revision:
6:350b53afb889
Merge RTOS C++ API and RTX under the same library; Update RTX to version 4.60; Add proper Thread destructor;

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: HAL_CM0.S
emilmont 6:350b53afb889 5 * Purpose: Hardware Abstraction Layer for Cortex-M0
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.
emilmont 6:350b53afb889 18 * - Neither the name of ARM nor the names of its contributors may be used
emilmont 6:350b53afb889 19 * to endorse or promote products derived from this software without
emilmont 6:350b53afb889 20 * specific prior written permission.
emilmont 6:350b53afb889 21 *
emilmont 6:350b53afb889 22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
emilmont 6:350b53afb889 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
emilmont 6:350b53afb889 27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
emilmont 6:350b53afb889 28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
emilmont 6:350b53afb889 29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
emilmont 6:350b53afb889 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 6:350b53afb889 34
emilmont 6:350b53afb889 35 .file "HAL_CM0.S"
emilmont 6:350b53afb889 36 .syntax unified
emilmont 6:350b53afb889 37
emilmont 6:350b53afb889 38 .equ TCB_TSTACK, 36
emilmont 6:350b53afb889 39
emilmont 6:350b53afb889 40
emilmont 6:350b53afb889 41 /*----------------------------------------------------------------------------
emilmont 6:350b53afb889 42 * Functions
emilmont 6:350b53afb889 43 *---------------------------------------------------------------------------*/
emilmont 6:350b53afb889 44
emilmont 6:350b53afb889 45 .thumb
emilmont 6:350b53afb889 46
emilmont 6:350b53afb889 47 .section ".text"
emilmont 6:350b53afb889 48 .align 2
emilmont 6:350b53afb889 49
emilmont 6:350b53afb889 50
emilmont 6:350b53afb889 51 /*--------------------------- rt_set_PSP ------------------------------------*/
emilmont 6:350b53afb889 52
emilmont 6:350b53afb889 53 # void rt_set_PSP (U32 stack);
emilmont 6:350b53afb889 54
emilmont 6:350b53afb889 55 .thumb_func
emilmont 6:350b53afb889 56 .type rt_set_PSP, %function
emilmont 6:350b53afb889 57 .global rt_set_PSP
emilmont 6:350b53afb889 58 rt_set_PSP:
emilmont 6:350b53afb889 59 .fnstart
emilmont 6:350b53afb889 60 .cantunwind
emilmont 6:350b53afb889 61
emilmont 6:350b53afb889 62 MSR PSP,R0
emilmont 6:350b53afb889 63 BX LR
emilmont 6:350b53afb889 64
emilmont 6:350b53afb889 65 .fnend
emilmont 6:350b53afb889 66 .size rt_set_PSP, .-rt_set_PSP
emilmont 6:350b53afb889 67
emilmont 6:350b53afb889 68
emilmont 6:350b53afb889 69 /*--------------------------- rt_get_PSP ------------------------------------*/
emilmont 6:350b53afb889 70
emilmont 6:350b53afb889 71 # U32 rt_get_PSP (void);
emilmont 6:350b53afb889 72
emilmont 6:350b53afb889 73 .thumb_func
emilmont 6:350b53afb889 74 .type rt_get_PSP, %function
emilmont 6:350b53afb889 75 .global rt_get_PSP
emilmont 6:350b53afb889 76 rt_get_PSP:
emilmont 6:350b53afb889 77 .fnstart
emilmont 6:350b53afb889 78 .cantunwind
emilmont 6:350b53afb889 79
emilmont 6:350b53afb889 80 MRS R0,PSP
emilmont 6:350b53afb889 81 BX LR
emilmont 6:350b53afb889 82
emilmont 6:350b53afb889 83 .fnend
emilmont 6:350b53afb889 84 .size rt_get_PSP, .-rt_get_PSP
emilmont 6:350b53afb889 85
emilmont 6:350b53afb889 86
emilmont 6:350b53afb889 87 /*--------------------------- os_set_env ------------------------------------*/
emilmont 6:350b53afb889 88
emilmont 6:350b53afb889 89 # void os_set_env (void);
emilmont 6:350b53afb889 90 /* Switch to Unprivileged/Privileged Thread mode, use PSP. */
emilmont 6:350b53afb889 91
emilmont 6:350b53afb889 92 .thumb_func
emilmont 6:350b53afb889 93 .type os_set_env, %function
emilmont 6:350b53afb889 94 .global os_set_env
emilmont 6:350b53afb889 95 os_set_env:
emilmont 6:350b53afb889 96 .fnstart
emilmont 6:350b53afb889 97 .cantunwind
emilmont 6:350b53afb889 98
emilmont 6:350b53afb889 99 MOV R0,SP /* PSP = MSP */
emilmont 6:350b53afb889 100 MSR PSP,R0
emilmont 6:350b53afb889 101 LDR R0,=os_flags
emilmont 6:350b53afb889 102 LDRB R0,[R0]
emilmont 6:350b53afb889 103 LSLS R0,#31
emilmont 6:350b53afb889 104 BNE PrivilegedE
emilmont 6:350b53afb889 105 MOVS R0,#0x03 /* Unprivileged Thread mode, use PSP */
emilmont 6:350b53afb889 106 MSR CONTROL,R0
emilmont 6:350b53afb889 107 BX LR
emilmont 6:350b53afb889 108 PrivilegedE:
emilmont 6:350b53afb889 109 MOVS R0,#0x02 /* Privileged Thread mode, use PSP */
emilmont 6:350b53afb889 110 MSR CONTROL,R0
emilmont 6:350b53afb889 111 BX LR
emilmont 6:350b53afb889 112
emilmont 6:350b53afb889 113 .fnend
emilmont 6:350b53afb889 114 .size os_set_env, .-os_set_env
emilmont 6:350b53afb889 115
emilmont 6:350b53afb889 116
emilmont 6:350b53afb889 117 /*--------------------------- _alloc_box ------------------------------------*/
emilmont 6:350b53afb889 118
emilmont 6:350b53afb889 119 # void *_alloc_box (void *box_mem);
emilmont 6:350b53afb889 120 /* Function wrapper for Unprivileged/Privileged mode. */
emilmont 6:350b53afb889 121
emilmont 6:350b53afb889 122 .thumb_func
emilmont 6:350b53afb889 123 .type _alloc_box, %function
emilmont 6:350b53afb889 124 .global _alloc_box
emilmont 6:350b53afb889 125 _alloc_box:
emilmont 6:350b53afb889 126 .fnstart
emilmont 6:350b53afb889 127 .cantunwind
emilmont 6:350b53afb889 128
emilmont 6:350b53afb889 129 LDR R3,=rt_alloc_box
emilmont 6:350b53afb889 130 MOV R12,R3
emilmont 6:350b53afb889 131 MRS R3,IPSR
emilmont 6:350b53afb889 132 LSLS R3,#24
emilmont 6:350b53afb889 133 BNE PrivilegedA
emilmont 6:350b53afb889 134 MRS R3,CONTROL
emilmont 6:350b53afb889 135 LSLS R3,#31
emilmont 6:350b53afb889 136 BEQ PrivilegedA
emilmont 6:350b53afb889 137 SVC 0
emilmont 6:350b53afb889 138 BX LR
emilmont 6:350b53afb889 139 PrivilegedA:
emilmont 6:350b53afb889 140 BX R12
emilmont 6:350b53afb889 141
emilmont 6:350b53afb889 142 .fnend
emilmont 6:350b53afb889 143 .size _alloc_box, .-_alloc_box
emilmont 6:350b53afb889 144
emilmont 6:350b53afb889 145
emilmont 6:350b53afb889 146 /*--------------------------- _free_box -------------------------------------*/
emilmont 6:350b53afb889 147
emilmont 6:350b53afb889 148 # int _free_box (void *box_mem, void *box);
emilmont 6:350b53afb889 149 /* Function wrapper for Unprivileged/Privileged mode. */
emilmont 6:350b53afb889 150
emilmont 6:350b53afb889 151 .thumb_func
emilmont 6:350b53afb889 152 .type _free_box, %function
emilmont 6:350b53afb889 153 .global _free_box
emilmont 6:350b53afb889 154 _free_box:
emilmont 6:350b53afb889 155 .fnstart
emilmont 6:350b53afb889 156 .cantunwind
emilmont 6:350b53afb889 157
emilmont 6:350b53afb889 158 LDR R3,=rt_free_box
emilmont 6:350b53afb889 159 MOV R12,R3
emilmont 6:350b53afb889 160 MRS R3,IPSR
emilmont 6:350b53afb889 161 LSLS R3,#24
emilmont 6:350b53afb889 162 BNE PrivilegedF
emilmont 6:350b53afb889 163 MRS R3,CONTROL
emilmont 6:350b53afb889 164 LSLS R3,#31
emilmont 6:350b53afb889 165 BEQ PrivilegedF
emilmont 6:350b53afb889 166 SVC 0
emilmont 6:350b53afb889 167 BX LR
emilmont 6:350b53afb889 168 PrivilegedF:
emilmont 6:350b53afb889 169 BX R12
emilmont 6:350b53afb889 170
emilmont 6:350b53afb889 171 .fnend
emilmont 6:350b53afb889 172 .size _free_box, .-_free_box
emilmont 6:350b53afb889 173
emilmont 6:350b53afb889 174
emilmont 6:350b53afb889 175 /*-------------------------- SVC_Handler ------------------------------------*/
emilmont 6:350b53afb889 176
emilmont 6:350b53afb889 177 # void SVC_Handler (void);
emilmont 6:350b53afb889 178
emilmont 6:350b53afb889 179 .thumb_func
emilmont 6:350b53afb889 180 .type SVC_Handler, %function
emilmont 6:350b53afb889 181 .global SVC_Handler
emilmont 6:350b53afb889 182 SVC_Handler:
emilmont 6:350b53afb889 183 .fnstart
emilmont 6:350b53afb889 184 .cantunwind
emilmont 6:350b53afb889 185
emilmont 6:350b53afb889 186 MRS R0,PSP /* Read PSP */
emilmont 6:350b53afb889 187 LDR R1,[R0,#24] /* Read Saved PC from Stack */
emilmont 6:350b53afb889 188 SUBS R1,R1,#2 /* Point to SVC Instruction */
emilmont 6:350b53afb889 189 LDRB R1,[R1] /* Load SVC Number */
emilmont 6:350b53afb889 190 CMP R1,#0
emilmont 6:350b53afb889 191 BNE SVC_User /* User SVC Number > 0 */
emilmont 6:350b53afb889 192
emilmont 6:350b53afb889 193 MOV LR,R4
emilmont 6:350b53afb889 194 LDMIA R0,{R0-R3,R4} /* Read R0-R3,R12 from stack */
emilmont 6:350b53afb889 195 MOV R12,R4
emilmont 6:350b53afb889 196 MOV R4,LR
emilmont 6:350b53afb889 197 BLX R12 /* Call SVC Function */
emilmont 6:350b53afb889 198
emilmont 6:350b53afb889 199 MRS R3,PSP /* Read PSP */
emilmont 6:350b53afb889 200 STMIA R3!,{R0-R2} /* Store return values */
emilmont 6:350b53afb889 201
emilmont 6:350b53afb889 202 LDR R3,=os_tsk
emilmont 6:350b53afb889 203 LDMIA R3!,{R1,R2} /* os_tsk.run, os_tsk.new */
emilmont 6:350b53afb889 204 CMP R1,R2
emilmont 6:350b53afb889 205 BEQ SVC_Exit /* no task switch */
emilmont 6:350b53afb889 206
emilmont 6:350b53afb889 207 SUBS R3,#8
emilmont 6:350b53afb889 208 CMP R1,#0 /* Runtask deleted? */
emilmont 6:350b53afb889 209 BEQ SVC_Next
emilmont 6:350b53afb889 210
emilmont 6:350b53afb889 211 MRS R0,PSP /* Read PSP */
emilmont 6:350b53afb889 212 SUBS R0,R0,#32 /* Adjust Start Address */
emilmont 6:350b53afb889 213 STR R0,[R1,#TCB_TSTACK] /* Update os_tsk.run->tsk_stack */
emilmont 6:350b53afb889 214 STMIA R0!,{R4-R7} /* Save old context (R4-R7) */
emilmont 6:350b53afb889 215 MOV R4,R8
emilmont 6:350b53afb889 216 MOV R5,R9
emilmont 6:350b53afb889 217 MOV R6,R10
emilmont 6:350b53afb889 218 MOV R7,R11
emilmont 6:350b53afb889 219 STMIA R0!,{R4-R7} /* Save old context (R8-R11) */
emilmont 6:350b53afb889 220
emilmont 6:350b53afb889 221 PUSH {R2,R3}
emilmont 6:350b53afb889 222 BL rt_stk_check /* Check for Stack overflow */
emilmont 6:350b53afb889 223 POP {R2,R3}
emilmont 6:350b53afb889 224
emilmont 6:350b53afb889 225 SVC_Next:
emilmont 6:350b53afb889 226 STR R2,[R3] /* os_tsk.run = os_tsk.new */
emilmont 6:350b53afb889 227
emilmont 6:350b53afb889 228 LDR R0,[R2,#TCB_TSTACK] /* os_tsk.new->tsk_stack */
emilmont 6:350b53afb889 229 ADDS R0,R0,#16 /* Adjust Start Address */
emilmont 6:350b53afb889 230 LDMIA R0!,{R4-R7} /* Restore new Context (R8-R11) */
emilmont 6:350b53afb889 231 MOV R8,R4
emilmont 6:350b53afb889 232 MOV R9,R5
emilmont 6:350b53afb889 233 MOV R10,R6
emilmont 6:350b53afb889 234 MOV R11,R7
emilmont 6:350b53afb889 235 MSR PSP,R0 /* Write PSP */
emilmont 6:350b53afb889 236 SUBS R0,R0,#32 /* Adjust Start Address */
emilmont 6:350b53afb889 237 LDMIA R0!,{R4-R7} /* Restore new Context (R4-R7) */
emilmont 6:350b53afb889 238
emilmont 6:350b53afb889 239 SVC_Exit:
emilmont 6:350b53afb889 240 MOVS R0,#~0xFFFFFFFD /* Set EXC_RETURN value */
emilmont 6:350b53afb889 241 MVNS R0,R0
emilmont 6:350b53afb889 242 BX R0 /* RETI to Thread Mode, use PSP */
emilmont 6:350b53afb889 243
emilmont 6:350b53afb889 244 /*------------------- User SVC ------------------------------*/
emilmont 6:350b53afb889 245
emilmont 6:350b53afb889 246 SVC_User:
emilmont 6:350b53afb889 247 PUSH {R4,LR} /* Save Registers */
emilmont 6:350b53afb889 248 LDR R2,=SVC_Count
emilmont 6:350b53afb889 249 LDR R2,[R2]
emilmont 6:350b53afb889 250 CMP R1,R2
emilmont 6:350b53afb889 251 BHI SVC_Done /* Overflow */
emilmont 6:350b53afb889 252
emilmont 6:350b53afb889 253 LDR R4,=SVC_Table-4
emilmont 6:350b53afb889 254 LSLS R1,R1,#2
emilmont 6:350b53afb889 255 LDR R4,[R4,R1] /* Load SVC Function Address */
emilmont 6:350b53afb889 256 MOV LR,R4
emilmont 6:350b53afb889 257
emilmont 6:350b53afb889 258 LDMIA R0,{R0-R3,R4} /* Read R0-R3,R12 from stack */
emilmont 6:350b53afb889 259 MOV R12,R4
emilmont 6:350b53afb889 260 BLX LR /* Call SVC Function */
emilmont 6:350b53afb889 261
emilmont 6:350b53afb889 262 MRS R4,PSP /* Read PSP */
emilmont 6:350b53afb889 263 STMIA R4!,{R0-R3} /* Function return values */
emilmont 6:350b53afb889 264 SVC_Done:
emilmont 6:350b53afb889 265 POP {R4,PC} /* RETI */
emilmont 6:350b53afb889 266
emilmont 6:350b53afb889 267 .fnend
emilmont 6:350b53afb889 268 .size SVC_Handler, .-SVC_Handler
emilmont 6:350b53afb889 269
emilmont 6:350b53afb889 270
emilmont 6:350b53afb889 271 /*-------------------------- PendSV_Handler ---------------------------------*/
emilmont 6:350b53afb889 272
emilmont 6:350b53afb889 273 # void PendSV_Handler (void);
emilmont 6:350b53afb889 274
emilmont 6:350b53afb889 275 .thumb_func
emilmont 6:350b53afb889 276 .type PendSV_Handler, %function
emilmont 6:350b53afb889 277 .global PendSV_Handler
emilmont 6:350b53afb889 278 .global Sys_Switch
emilmont 6:350b53afb889 279 PendSV_Handler:
emilmont 6:350b53afb889 280 .fnstart
emilmont 6:350b53afb889 281 .cantunwind
emilmont 6:350b53afb889 282
emilmont 6:350b53afb889 283 BL rt_pop_req
emilmont 6:350b53afb889 284
emilmont 6:350b53afb889 285 Sys_Switch:
emilmont 6:350b53afb889 286 LDR R3,=os_tsk
emilmont 6:350b53afb889 287 LDMIA R3!,{R1,R2} /* os_tsk.run, os_tsk.new */
emilmont 6:350b53afb889 288 CMP R1,R2
emilmont 6:350b53afb889 289 BEQ Sys_Exit /* no task switch */
emilmont 6:350b53afb889 290
emilmont 6:350b53afb889 291 SUBS R3,#8
emilmont 6:350b53afb889 292
emilmont 6:350b53afb889 293 MRS R0,PSP /* Read PSP */
emilmont 6:350b53afb889 294 SUBS R0,R0,#32 /* Adjust Start Address */
emilmont 6:350b53afb889 295 STR R0,[R1,#TCB_TSTACK] /* Update os_tsk.run->tsk_stack */
emilmont 6:350b53afb889 296 STMIA R0!,{R4-R7} /* Save old context (R4-R7) */
emilmont 6:350b53afb889 297 MOV R4,R8
emilmont 6:350b53afb889 298 MOV R5,R9
emilmont 6:350b53afb889 299 MOV R6,R10
emilmont 6:350b53afb889 300 MOV R7,R11
emilmont 6:350b53afb889 301 STMIA R0!,{R4-R7} /* Save old context (R8-R11) */
emilmont 6:350b53afb889 302
emilmont 6:350b53afb889 303 PUSH {R2,R3}
emilmont 6:350b53afb889 304 BL rt_stk_check /* Check for Stack overflow */
emilmont 6:350b53afb889 305 POP {R2,R3}
emilmont 6:350b53afb889 306
emilmont 6:350b53afb889 307 STR R2,[R3] /* os_tsk.run = os_tsk.new */
emilmont 6:350b53afb889 308
emilmont 6:350b53afb889 309 LDR R0,[R2,#TCB_TSTACK] /* os_tsk.new->tsk_stack */
emilmont 6:350b53afb889 310 ADDS R0,R0,#16 /* Adjust Start Address */
emilmont 6:350b53afb889 311 LDMIA R0!,{R4-R7} /* Restore new Context (R8-R11) */
emilmont 6:350b53afb889 312 MOV R8,R4
emilmont 6:350b53afb889 313 MOV R9,R5
emilmont 6:350b53afb889 314 MOV R10,R6
emilmont 6:350b53afb889 315 MOV R11,R7
emilmont 6:350b53afb889 316 MSR PSP,R0 /* Write PSP */
emilmont 6:350b53afb889 317 SUBS R0,R0,#32 /* Adjust Start Address */
emilmont 6:350b53afb889 318 LDMIA R0!,{R4-R7} /* Restore new Context (R4-R7) */
emilmont 6:350b53afb889 319
emilmont 6:350b53afb889 320 Sys_Exit:
emilmont 6:350b53afb889 321 MOVS R0,#~0xFFFFFFFD /* Set EXC_RETURN value */
emilmont 6:350b53afb889 322 MVNS R0,R0
emilmont 6:350b53afb889 323 BX R0 /* RETI to Thread Mode, use PSP */
emilmont 6:350b53afb889 324
emilmont 6:350b53afb889 325 .fnend
emilmont 6:350b53afb889 326 .size PendSV_Handler, .-PendSV_Handler
emilmont 6:350b53afb889 327
emilmont 6:350b53afb889 328
emilmont 6:350b53afb889 329 /*-------------------------- SysTick_Handler --------------------------------*/
emilmont 6:350b53afb889 330
emilmont 6:350b53afb889 331 # void SysTick_Handler (void);
emilmont 6:350b53afb889 332
emilmont 6:350b53afb889 333 .thumb_func
emilmont 6:350b53afb889 334 .type SysTick_Handler, %function
emilmont 6:350b53afb889 335 .global SysTick_Handler
emilmont 6:350b53afb889 336 SysTick_Handler:
emilmont 6:350b53afb889 337 .fnstart
emilmont 6:350b53afb889 338 .cantunwind
emilmont 6:350b53afb889 339
emilmont 6:350b53afb889 340 BL rt_systick
emilmont 6:350b53afb889 341 B Sys_Switch
emilmont 6:350b53afb889 342
emilmont 6:350b53afb889 343 .fnend
emilmont 6:350b53afb889 344 .size SysTick_Handler, .-SysTick_Handler
emilmont 6:350b53afb889 345
emilmont 6:350b53afb889 346
emilmont 6:350b53afb889 347 /*-------------------------- OS_Tick_Handler --------------------------------*/
emilmont 6:350b53afb889 348
emilmont 6:350b53afb889 349 # void OS_Tick_Handler (void);
emilmont 6:350b53afb889 350
emilmont 6:350b53afb889 351 .thumb_func
emilmont 6:350b53afb889 352 .type OS_Tick_Handler, %function
emilmont 6:350b53afb889 353 .global OS_Tick_Handler
emilmont 6:350b53afb889 354 OS_Tick_Handler:
emilmont 6:350b53afb889 355 .fnstart
emilmont 6:350b53afb889 356 .cantunwind
emilmont 6:350b53afb889 357
emilmont 6:350b53afb889 358 BL os_tick_irqack
emilmont 6:350b53afb889 359 BL rt_systick
emilmont 6:350b53afb889 360 B Sys_Switch
emilmont 6:350b53afb889 361
emilmont 6:350b53afb889 362 .fnend
emilmont 6:350b53afb889 363 .size OS_Tick_Handler, .-OS_Tick_Handler
emilmont 6:350b53afb889 364
emilmont 6:350b53afb889 365
emilmont 6:350b53afb889 366 .end
emilmont 6:350b53afb889 367
emilmont 6:350b53afb889 368 /*----------------------------------------------------------------------------
emilmont 6:350b53afb889 369 * end of file
emilmont 6:350b53afb889 370 *---------------------------------------------------------------------------*/