Mark Vandermeulen / FYDP_Final

Code for our FYDP -only one IMU works right now -RTOS is working

Dependencies:   mbed

mbed/mbed-rtos/rtx/TARGET_M4/TOOLCHAIN_GCC/HAL_CM4.s@0:964eb6a2ef00, 2015-03-18 (annotated)

Committer:
majik
Date:
Wed Mar 18 22:23:48 2015 +0000
Revision:
0:964eb6a2ef00
This is our FYDP code, but only one IMU works with the RTOS.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
majik 0:964eb6a2ef00 1 /*----------------------------------------------------------------------------
majik 0:964eb6a2ef00 2 * RL-ARM - RTX
majik 0:964eb6a2ef00 3 *----------------------------------------------------------------------------
majik 0:964eb6a2ef00 4 * Name: HAL_CM4.S
majik 0:964eb6a2ef00 5 * Purpose: Hardware Abstraction Layer for Cortex-M4
majik 0:964eb6a2ef00 6 * Rev.: V4.70
majik 0:964eb6a2ef00 7 *----------------------------------------------------------------------------
majik 0:964eb6a2ef00 8 *
majik 0:964eb6a2ef00 9 * Copyright (c) 1999-2009 KEIL, 2009-2013 ARM Germany GmbH
majik 0:964eb6a2ef00 10 * All rights reserved.
majik 0:964eb6a2ef00 11 * Redistribution and use in source and binary forms, with or without
majik 0:964eb6a2ef00 12 * modification, are permitted provided that the following conditions are met:
majik 0:964eb6a2ef00 13 * - Redistributions of source code must retain the above copyright
majik 0:964eb6a2ef00 14 * notice, this list of conditions and the following disclaimer.
majik 0:964eb6a2ef00 15 * - Redistributions in binary form must reproduce the above copyright
majik 0:964eb6a2ef00 16 * notice, this list of conditions and the following disclaimer in the
majik 0:964eb6a2ef00 17 * documentation and/or other materials provided with the distribution.
majik 0:964eb6a2ef00 18 * - Neither the name of ARM nor the names of its contributors may be used
majik 0:964eb6a2ef00 19 * to endorse or promote products derived from this software without
majik 0:964eb6a2ef00 20 * specific prior written permission.
majik 0:964eb6a2ef00 21 *
majik 0:964eb6a2ef00 22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
majik 0:964eb6a2ef00 23 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
majik 0:964eb6a2ef00 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
majik 0:964eb6a2ef00 25 * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
majik 0:964eb6a2ef00 26 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
majik 0:964eb6a2ef00 27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
majik 0:964eb6a2ef00 28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
majik 0:964eb6a2ef00 29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
majik 0:964eb6a2ef00 30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
majik 0:964eb6a2ef00 31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
majik 0:964eb6a2ef00 32 * POSSIBILITY OF SUCH DAMAGE.
majik 0:964eb6a2ef00 33 *---------------------------------------------------------------------------*/
majik 0:964eb6a2ef00 34
majik 0:964eb6a2ef00 35 .file "HAL_CM4.S"
majik 0:964eb6a2ef00 36 .syntax unified
majik 0:964eb6a2ef00 37
majik 0:964eb6a2ef00 38 .equ TCB_STACKF, 32
majik 0:964eb6a2ef00 39 .equ TCB_TSTACK, 36
majik 0:964eb6a2ef00 40
majik 0:964eb6a2ef00 41
majik 0:964eb6a2ef00 42 /*----------------------------------------------------------------------------
majik 0:964eb6a2ef00 43 * Functions
majik 0:964eb6a2ef00 44 *---------------------------------------------------------------------------*/
majik 0:964eb6a2ef00 45
majik 0:964eb6a2ef00 46 .thumb
majik 0:964eb6a2ef00 47
majik 0:964eb6a2ef00 48 .section ".text"
majik 0:964eb6a2ef00 49 .align 2
majik 0:964eb6a2ef00 50
majik 0:964eb6a2ef00 51
majik 0:964eb6a2ef00 52 /*--------------------------- rt_set_PSP ------------------------------------*/
majik 0:964eb6a2ef00 53
majik 0:964eb6a2ef00 54 # void rt_set_PSP (U32 stack);
majik 0:964eb6a2ef00 55
majik 0:964eb6a2ef00 56 .thumb_func
majik 0:964eb6a2ef00 57 .type rt_set_PSP, %function
majik 0:964eb6a2ef00 58 .global rt_set_PSP
majik 0:964eb6a2ef00 59 rt_set_PSP:
majik 0:964eb6a2ef00 60 .fnstart
majik 0:964eb6a2ef00 61 .cantunwind
majik 0:964eb6a2ef00 62
majik 0:964eb6a2ef00 63 MSR PSP,R0
majik 0:964eb6a2ef00 64 BX LR
majik 0:964eb6a2ef00 65
majik 0:964eb6a2ef00 66 .fnend
majik 0:964eb6a2ef00 67 .size rt_set_PSP, .-rt_set_PSP
majik 0:964eb6a2ef00 68
majik 0:964eb6a2ef00 69
majik 0:964eb6a2ef00 70 /*--------------------------- rt_get_PSP ------------------------------------*/
majik 0:964eb6a2ef00 71
majik 0:964eb6a2ef00 72 # U32 rt_get_PSP (void);
majik 0:964eb6a2ef00 73
majik 0:964eb6a2ef00 74 .thumb_func
majik 0:964eb6a2ef00 75 .type rt_get_PSP, %function
majik 0:964eb6a2ef00 76 .global rt_get_PSP
majik 0:964eb6a2ef00 77 rt_get_PSP:
majik 0:964eb6a2ef00 78 .fnstart
majik 0:964eb6a2ef00 79 .cantunwind
majik 0:964eb6a2ef00 80
majik 0:964eb6a2ef00 81 MRS R0,PSP
majik 0:964eb6a2ef00 82 BX LR
majik 0:964eb6a2ef00 83
majik 0:964eb6a2ef00 84 .fnend
majik 0:964eb6a2ef00 85 .size rt_get_PSP, .-rt_get_PSP
majik 0:964eb6a2ef00 86
majik 0:964eb6a2ef00 87
majik 0:964eb6a2ef00 88 /*--------------------------- os_set_env ------------------------------------*/
majik 0:964eb6a2ef00 89
majik 0:964eb6a2ef00 90 # void os_set_env (void);
majik 0:964eb6a2ef00 91 /* Switch to Unprivileged/Privileged Thread mode, use PSP. */
majik 0:964eb6a2ef00 92
majik 0:964eb6a2ef00 93 .thumb_func
majik 0:964eb6a2ef00 94 .type os_set_env, %function
majik 0:964eb6a2ef00 95 .global os_set_env
majik 0:964eb6a2ef00 96 os_set_env:
majik 0:964eb6a2ef00 97 .fnstart
majik 0:964eb6a2ef00 98 .cantunwind
majik 0:964eb6a2ef00 99
majik 0:964eb6a2ef00 100 MOV R0,SP /* PSP = MSP */
majik 0:964eb6a2ef00 101 MSR PSP,R0
majik 0:964eb6a2ef00 102 LDR R0,=os_flags
majik 0:964eb6a2ef00 103 LDRB R0,[R0]
majik 0:964eb6a2ef00 104 LSLS R0,#31
majik 0:964eb6a2ef00 105 ITE NE
majik 0:964eb6a2ef00 106 MOVNE R0,#0x02 /* Privileged Thread mode, use PSP */
majik 0:964eb6a2ef00 107 MOVEQ R0,#0x03 /* Unprivileged Thread mode, use PSP */
majik 0:964eb6a2ef00 108 MSR CONTROL,R0
majik 0:964eb6a2ef00 109 BX LR
majik 0:964eb6a2ef00 110
majik 0:964eb6a2ef00 111 .fnend
majik 0:964eb6a2ef00 112 .size os_set_env, .-os_set_env
majik 0:964eb6a2ef00 113
majik 0:964eb6a2ef00 114
majik 0:964eb6a2ef00 115 /*--------------------------- _alloc_box ------------------------------------*/
majik 0:964eb6a2ef00 116
majik 0:964eb6a2ef00 117 # void *_alloc_box (void *box_mem);
majik 0:964eb6a2ef00 118 /* Function wrapper for Unprivileged/Privileged mode. */
majik 0:964eb6a2ef00 119
majik 0:964eb6a2ef00 120 .thumb_func
majik 0:964eb6a2ef00 121 .type _alloc_box, %function
majik 0:964eb6a2ef00 122 .global _alloc_box
majik 0:964eb6a2ef00 123 _alloc_box:
majik 0:964eb6a2ef00 124 .fnstart
majik 0:964eb6a2ef00 125 .cantunwind
majik 0:964eb6a2ef00 126
majik 0:964eb6a2ef00 127 LDR R12,=rt_alloc_box
majik 0:964eb6a2ef00 128 MRS R3,IPSR
majik 0:964eb6a2ef00 129 LSLS R3,#24
majik 0:964eb6a2ef00 130 IT NE
majik 0:964eb6a2ef00 131 BXNE R12
majik 0:964eb6a2ef00 132 MRS R3,CONTROL
majik 0:964eb6a2ef00 133 LSLS R3,#31
majik 0:964eb6a2ef00 134 IT EQ
majik 0:964eb6a2ef00 135 BXEQ R12
majik 0:964eb6a2ef00 136 SVC 0
majik 0:964eb6a2ef00 137 BX LR
majik 0:964eb6a2ef00 138
majik 0:964eb6a2ef00 139 .fnend
majik 0:964eb6a2ef00 140 .size _alloc_box, .-_alloc_box
majik 0:964eb6a2ef00 141
majik 0:964eb6a2ef00 142
majik 0:964eb6a2ef00 143 /*--------------------------- _free_box -------------------------------------*/
majik 0:964eb6a2ef00 144
majik 0:964eb6a2ef00 145 # int _free_box (void *box_mem, void *box);
majik 0:964eb6a2ef00 146 /* Function wrapper for Unprivileged/Privileged mode. */
majik 0:964eb6a2ef00 147
majik 0:964eb6a2ef00 148 .thumb_func
majik 0:964eb6a2ef00 149 .type _free_box, %function
majik 0:964eb6a2ef00 150 .global _free_box
majik 0:964eb6a2ef00 151 _free_box:
majik 0:964eb6a2ef00 152 .fnstart
majik 0:964eb6a2ef00 153 .cantunwind
majik 0:964eb6a2ef00 154
majik 0:964eb6a2ef00 155 LDR R12,=rt_free_box
majik 0:964eb6a2ef00 156 MRS R3,IPSR
majik 0:964eb6a2ef00 157 LSLS R3,#24
majik 0:964eb6a2ef00 158 IT NE
majik 0:964eb6a2ef00 159 BXNE R12
majik 0:964eb6a2ef00 160 MRS R3,CONTROL
majik 0:964eb6a2ef00 161 LSLS R3,#31
majik 0:964eb6a2ef00 162 IT EQ
majik 0:964eb6a2ef00 163 BXEQ R12
majik 0:964eb6a2ef00 164 SVC 0
majik 0:964eb6a2ef00 165 BX LR
majik 0:964eb6a2ef00 166
majik 0:964eb6a2ef00 167 .fnend
majik 0:964eb6a2ef00 168 .size _free_box, .-_free_box
majik 0:964eb6a2ef00 169
majik 0:964eb6a2ef00 170
majik 0:964eb6a2ef00 171 /*-------------------------- SVC_Handler ------------------------------------*/
majik 0:964eb6a2ef00 172
majik 0:964eb6a2ef00 173 # void SVC_Handler (void);
majik 0:964eb6a2ef00 174
majik 0:964eb6a2ef00 175 .thumb_func
majik 0:964eb6a2ef00 176 .type SVC_Handler, %function
majik 0:964eb6a2ef00 177 .global SVC_Handler
majik 0:964eb6a2ef00 178 SVC_Handler:
majik 0:964eb6a2ef00 179 .ifdef IFX_XMC4XXX
majik 0:964eb6a2ef00 180 .global SVC_Handler_Veneer
majik 0:964eb6a2ef00 181 SVC_Handler_Veneer:
majik 0:964eb6a2ef00 182 .endif
majik 0:964eb6a2ef00 183 .fnstart
majik 0:964eb6a2ef00 184 .cantunwind
majik 0:964eb6a2ef00 185
majik 0:964eb6a2ef00 186 MRS R0,PSP /* Read PSP */
majik 0:964eb6a2ef00 187 LDR R1,[R0,#24] /* Read Saved PC from Stack */
majik 0:964eb6a2ef00 188 LDRB R1,[R1,#-2] /* Load SVC Number */
majik 0:964eb6a2ef00 189 CBNZ R1,SVC_User
majik 0:964eb6a2ef00 190
majik 0:964eb6a2ef00 191 LDM R0,{R0-R3,R12} /* Read R0-R3,R12 from stack */
majik 0:964eb6a2ef00 192 PUSH {R4,LR} /* Save EXC_RETURN */
majik 0:964eb6a2ef00 193 BLX R12 /* Call SVC Function */
majik 0:964eb6a2ef00 194 POP {R4,LR} /* Restore EXC_RETURN */
majik 0:964eb6a2ef00 195
majik 0:964eb6a2ef00 196 MRS R12,PSP /* Read PSP */
majik 0:964eb6a2ef00 197 STM R12,{R0-R2} /* Store return values */
majik 0:964eb6a2ef00 198
majik 0:964eb6a2ef00 199 LDR R3,=os_tsk
majik 0:964eb6a2ef00 200 LDM R3,{R1,R2} /* os_tsk.run, os_tsk.new */
majik 0:964eb6a2ef00 201 CMP R1,R2
majik 0:964eb6a2ef00 202 .ifdef IFX_XMC4XXX
majik 0:964eb6a2ef00 203 ITT EQ
majik 0:964eb6a2ef00 204 PUSHEQ {LR}
majik 0:964eb6a2ef00 205 POPEQ {PC}
majik 0:964eb6a2ef00 206 .else
majik 0:964eb6a2ef00 207 IT EQ
majik 0:964eb6a2ef00 208 BXEQ LR /* RETI, no task switch */
majik 0:964eb6a2ef00 209 .endif
majik 0:964eb6a2ef00 210
majik 0:964eb6a2ef00 211 CBZ R1,SVC_Next /* Runtask deleted? */
majik 0:964eb6a2ef00 212 TST LR,#0x10 /* is it extended frame? */
majik 0:964eb6a2ef00 213 ITTE EQ
majik 0:964eb6a2ef00 214 VSTMDBEQ R12!,{S16-S31} /* yes, stack also VFP hi-regs */
majik 0:964eb6a2ef00 215 MOVEQ R0,#0x01 /* os_tsk->stack_frame val */
majik 0:964eb6a2ef00 216 MOVNE R0,#0x00
majik 0:964eb6a2ef00 217 STRB R0,[R1,#TCB_STACKF] /* os_tsk.run->stack_frame = val */
majik 0:964eb6a2ef00 218 STMDB R12!,{R4-R11} /* Save Old context */
majik 0:964eb6a2ef00 219 STR R12,[R1,#TCB_TSTACK] /* Update os_tsk.run->tsk_stack */
majik 0:964eb6a2ef00 220
majik 0:964eb6a2ef00 221 PUSH {R2,R3}
majik 0:964eb6a2ef00 222 BL rt_stk_check /* Check for Stack overflow */
majik 0:964eb6a2ef00 223 POP {R2,R3}
majik 0:964eb6a2ef00 224
majik 0:964eb6a2ef00 225 SVC_Next:
majik 0:964eb6a2ef00 226 STR R2,[R3] /* os_tsk.run = os_tsk.new */
majik 0:964eb6a2ef00 227
majik 0:964eb6a2ef00 228 LDR R12,[R2,#TCB_TSTACK] /* os_tsk.new->tsk_stack */
majik 0:964eb6a2ef00 229 LDMIA R12!,{R4-R11} /* Restore New Context */
majik 0:964eb6a2ef00 230 LDRB R0,[R2,#TCB_STACKF] /* Stack Frame */
majik 0:964eb6a2ef00 231 CMP R0,#0 /* Basic/Extended Stack Frame */
majik 0:964eb6a2ef00 232 ITTE NE
majik 0:964eb6a2ef00 233 VLDMIANE R12!,{S16-S31} /* restore VFP hi-registers */
majik 0:964eb6a2ef00 234 MVNNE LR,#~0xFFFFFFED /* set EXC_RETURN value */
majik 0:964eb6a2ef00 235 MVNEQ LR,#~0xFFFFFFFD
majik 0:964eb6a2ef00 236 MSR PSP,R12 /* Write PSP */
majik 0:964eb6a2ef00 237
majik 0:964eb6a2ef00 238 SVC_Exit:
majik 0:964eb6a2ef00 239 .ifdef IFX_XMC4XXX
majik 0:964eb6a2ef00 240 PUSH {LR}
majik 0:964eb6a2ef00 241 POP {PC}
majik 0:964eb6a2ef00 242 .else
majik 0:964eb6a2ef00 243 BX LR
majik 0:964eb6a2ef00 244 .endif
majik 0:964eb6a2ef00 245
majik 0:964eb6a2ef00 246 /*------------------- User SVC ------------------------------*/
majik 0:964eb6a2ef00 247
majik 0:964eb6a2ef00 248 SVC_User:
majik 0:964eb6a2ef00 249 PUSH {R4,LR} /* Save Registers */
majik 0:964eb6a2ef00 250 LDR R2,=SVC_Count
majik 0:964eb6a2ef00 251 LDR R2,[R2]
majik 0:964eb6a2ef00 252 CMP R1,R2
majik 0:964eb6a2ef00 253 BHI SVC_Done /* Overflow */
majik 0:964eb6a2ef00 254
majik 0:964eb6a2ef00 255 LDR R4,=SVC_Table-4
majik 0:964eb6a2ef00 256 LDR R4,[R4,R1,LSL #2] /* Load SVC Function Address */
majik 0:964eb6a2ef00 257
majik 0:964eb6a2ef00 258 LDM R0,{R0-R3,R12} /* Read R0-R3,R12 from stack */
majik 0:964eb6a2ef00 259 BLX R4 /* Call SVC Function */
majik 0:964eb6a2ef00 260
majik 0:964eb6a2ef00 261 MRS R12,PSP
majik 0:964eb6a2ef00 262 STM R12,{R0-R3} /* Function return values */
majik 0:964eb6a2ef00 263 SVC_Done:
majik 0:964eb6a2ef00 264 POP {R4,PC} /* RETI */
majik 0:964eb6a2ef00 265
majik 0:964eb6a2ef00 266 .fnend
majik 0:964eb6a2ef00 267 .size SVC_Handler, .-SVC_Handler
majik 0:964eb6a2ef00 268
majik 0:964eb6a2ef00 269
majik 0:964eb6a2ef00 270 /*-------------------------- PendSV_Handler ---------------------------------*/
majik 0:964eb6a2ef00 271
majik 0:964eb6a2ef00 272 # void PendSV_Handler (void);
majik 0:964eb6a2ef00 273
majik 0:964eb6a2ef00 274 .thumb_func
majik 0:964eb6a2ef00 275 .type PendSV_Handler, %function
majik 0:964eb6a2ef00 276 .global PendSV_Handler
majik 0:964eb6a2ef00 277 .global Sys_Switch
majik 0:964eb6a2ef00 278 PendSV_Handler:
majik 0:964eb6a2ef00 279 .ifdef IFX_XMC4XXX
majik 0:964eb6a2ef00 280 .global PendSV_Handler_Veneer
majik 0:964eb6a2ef00 281 PendSV_Handler_Veneer:
majik 0:964eb6a2ef00 282 .endif
majik 0:964eb6a2ef00 283 .fnstart
majik 0:964eb6a2ef00 284 .cantunwind
majik 0:964eb6a2ef00 285
majik 0:964eb6a2ef00 286 PUSH {R4,LR} /* Save EXC_RETURN */
majik 0:964eb6a2ef00 287 BL rt_pop_req
majik 0:964eb6a2ef00 288
majik 0:964eb6a2ef00 289 Sys_Switch:
majik 0:964eb6a2ef00 290 POP {R4,LR} /* Restore EXC_RETURN */
majik 0:964eb6a2ef00 291
majik 0:964eb6a2ef00 292 LDR R3,=os_tsk
majik 0:964eb6a2ef00 293 LDM R3,{R1,R2} /* os_tsk.run, os_tsk.new */
majik 0:964eb6a2ef00 294 CMP R1,R2
majik 0:964eb6a2ef00 295 .ifdef IFX_XMC4XXX
majik 0:964eb6a2ef00 296 ITT EQ
majik 0:964eb6a2ef00 297 PUSHEQ {LR}
majik 0:964eb6a2ef00 298 POPEQ {PC}
majik 0:964eb6a2ef00 299 .else
majik 0:964eb6a2ef00 300 IT EQ
majik 0:964eb6a2ef00 301 BXEQ LR /* RETI, no task switch */
majik 0:964eb6a2ef00 302 .endif
majik 0:964eb6a2ef00 303
majik 0:964eb6a2ef00 304 MRS R12,PSP /* Read PSP */
majik 0:964eb6a2ef00 305 TST LR,#0x10 /* is it extended frame? */
majik 0:964eb6a2ef00 306 ITTE EQ
majik 0:964eb6a2ef00 307 VSTMDBEQ R12!,{S16-S31} /* yes, stack also VFP hi-regs */
majik 0:964eb6a2ef00 308 MOVEQ R0,#0x01 /* os_tsk->stack_frame val */
majik 0:964eb6a2ef00 309 MOVNE R0,#0x00
majik 0:964eb6a2ef00 310 STRB R0,[R1,#TCB_STACKF] /* os_tsk.run->stack_frame = val */
majik 0:964eb6a2ef00 311 STMDB R12!,{R4-R11} /* Save Old context */
majik 0:964eb6a2ef00 312 STR R12,[R1,#TCB_TSTACK] /* Update os_tsk.run->tsk_stack */
majik 0:964eb6a2ef00 313
majik 0:964eb6a2ef00 314 PUSH {R2,R3}
majik 0:964eb6a2ef00 315 BL rt_stk_check /* Check for Stack overflow */
majik 0:964eb6a2ef00 316 POP {R2,R3}
majik 0:964eb6a2ef00 317
majik 0:964eb6a2ef00 318 STR R2,[R3] /* os_tsk.run = os_tsk.new */
majik 0:964eb6a2ef00 319
majik 0:964eb6a2ef00 320 LDR R12,[R2,#TCB_TSTACK] /* os_tsk.new->tsk_stack */
majik 0:964eb6a2ef00 321 LDMIA R12!,{R4-R11} /* Restore New Context */
majik 0:964eb6a2ef00 322 LDRB R0,[R2,#TCB_STACKF] /* Stack Frame */
majik 0:964eb6a2ef00 323 CMP R0,#0 /* Basic/Extended Stack Frame */
majik 0:964eb6a2ef00 324 ITTE NE
majik 0:964eb6a2ef00 325 VLDMIANE R12!,{S16-S31} /* restore VFP hi-registers */
majik 0:964eb6a2ef00 326 MVNNE LR,#~0xFFFFFFED /* set EXC_RETURN value */
majik 0:964eb6a2ef00 327 MVNEQ LR,#~0xFFFFFFFD
majik 0:964eb6a2ef00 328 MSR PSP,R12 /* Write PSP */
majik 0:964eb6a2ef00 329
majik 0:964eb6a2ef00 330 Sys_Exit:
majik 0:964eb6a2ef00 331 .ifdef IFX_XMC4XXX
majik 0:964eb6a2ef00 332 PUSH {LR}
majik 0:964eb6a2ef00 333 POP {PC}
majik 0:964eb6a2ef00 334 .else
majik 0:964eb6a2ef00 335 BX LR /* Return to Thread Mode */
majik 0:964eb6a2ef00 336 .endif
majik 0:964eb6a2ef00 337
majik 0:964eb6a2ef00 338 .fnend
majik 0:964eb6a2ef00 339 .size PendSV_Handler, .-PendSV_Handler
majik 0:964eb6a2ef00 340
majik 0:964eb6a2ef00 341
majik 0:964eb6a2ef00 342 /*-------------------------- SysTick_Handler --------------------------------*/
majik 0:964eb6a2ef00 343
majik 0:964eb6a2ef00 344 # void SysTick_Handler (void);
majik 0:964eb6a2ef00 345
majik 0:964eb6a2ef00 346 .thumb_func
majik 0:964eb6a2ef00 347 .type SysTick_Handler, %function
majik 0:964eb6a2ef00 348 .global SysTick_Handler
majik 0:964eb6a2ef00 349 SysTick_Handler:
majik 0:964eb6a2ef00 350 .ifdef IFX_XMC4XXX
majik 0:964eb6a2ef00 351 .global SysTick_Handler_Veneer
majik 0:964eb6a2ef00 352 SysTick_Handler_Veneer:
majik 0:964eb6a2ef00 353 .endif
majik 0:964eb6a2ef00 354 .fnstart
majik 0:964eb6a2ef00 355 .cantunwind
majik 0:964eb6a2ef00 356
majik 0:964eb6a2ef00 357 PUSH {R4,LR} /* Save EXC_RETURN */
majik 0:964eb6a2ef00 358 BL rt_systick
majik 0:964eb6a2ef00 359 B Sys_Switch
majik 0:964eb6a2ef00 360
majik 0:964eb6a2ef00 361 .fnend
majik 0:964eb6a2ef00 362 .size SysTick_Handler, .-SysTick_Handler
majik 0:964eb6a2ef00 363
majik 0:964eb6a2ef00 364
majik 0:964eb6a2ef00 365 /*-------------------------- OS_Tick_Handler --------------------------------*/
majik 0:964eb6a2ef00 366
majik 0:964eb6a2ef00 367 # void OS_Tick_Handler (void);
majik 0:964eb6a2ef00 368
majik 0:964eb6a2ef00 369 .thumb_func
majik 0:964eb6a2ef00 370 .type OS_Tick_Handler, %function
majik 0:964eb6a2ef00 371 .global OS_Tick_Handler
majik 0:964eb6a2ef00 372 OS_Tick_Handler:
majik 0:964eb6a2ef00 373 .fnstart
majik 0:964eb6a2ef00 374 .cantunwind
majik 0:964eb6a2ef00 375
majik 0:964eb6a2ef00 376 PUSH {R4,LR} /* Save EXC_RETURN */
majik 0:964eb6a2ef00 377 BL os_tick_irqack
majik 0:964eb6a2ef00 378 BL rt_systick
majik 0:964eb6a2ef00 379 B Sys_Switch
majik 0:964eb6a2ef00 380
majik 0:964eb6a2ef00 381 .fnend
majik 0:964eb6a2ef00 382 .size OS_Tick_Handler, .-OS_Tick_Handler
majik 0:964eb6a2ef00 383
majik 0:964eb6a2ef00 384
majik 0:964eb6a2ef00 385 .end
majik 0:964eb6a2ef00 386
majik 0:964eb6a2ef00 387 /*----------------------------------------------------------------------------
majik 0:964eb6a2ef00 388 * end of file
majik 0:964eb6a2ef00 389 *---------------------------------------------------------------------------*/