Austin Blackstone / Mbed 2 deprecated client-lwip-lightswitch-demo-expanded

mbed client lightswitch demo

Dependencies:   mbed Socket lwip-eth lwip-sys lwip

Fork of mbed-client-classic-example-lwip by Austin Blackstone

mbed-rtos/rtx/TARGET_CORTEX_M/TARGET_RTOS_M4_M7/TOOLCHAIN_IAR/HAL_CM4.S@11:cada08fc8a70, 2016-06-09 (annotated)

Committer:
mbedAustin
Date:
Thu Jun 09 17:08:36 2016 +0000
Revision:
11:cada08fc8a70
Commit for public Consumption

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbedAustin 11:cada08fc8a70 1 /*----------------------------------------------------------------------------
mbedAustin 11:cada08fc8a70 2 * CMSIS-RTOS - RTX
mbedAustin 11:cada08fc8a70 3 *----------------------------------------------------------------------------
mbedAustin 11:cada08fc8a70 4 * Name: HAL_CM4.S
mbedAustin 11:cada08fc8a70 5 * Purpose: Hardware Abstraction Layer for Cortex-M4
mbedAustin 11:cada08fc8a70 6 * Rev.: V4.70
mbedAustin 11:cada08fc8a70 7 *----------------------------------------------------------------------------
mbedAustin 11:cada08fc8a70 8 *
mbedAustin 11:cada08fc8a70 9 * Copyright (c) 1999-2009 KEIL, 2009-2013 ARM Germany GmbH
mbedAustin 11:cada08fc8a70 10 * All rights reserved.
mbedAustin 11:cada08fc8a70 11 * Redistribution and use in source and binary forms, with or without
mbedAustin 11:cada08fc8a70 12 * modification, are permitted provided that the following conditions are met:
mbedAustin 11:cada08fc8a70 13 * - Redistributions of source code must retain the above copyright
mbedAustin 11:cada08fc8a70 14 * notice, this list of conditions and the following disclaimer.
mbedAustin 11:cada08fc8a70 15 * - Redistributions in binary form must reproduce the above copyright
mbedAustin 11:cada08fc8a70 16 * notice, this list of conditions and the following disclaimer in the
mbedAustin 11:cada08fc8a70 17 * documentation and/or other materials provided with the distribution.
mbedAustin 11:cada08fc8a70 18 * - Neither the name of ARM nor the names of its contributors may be used
mbedAustin 11:cada08fc8a70 19 * to endorse or promote products derived from this software without
mbedAustin 11:cada08fc8a70 20 * specific prior written permission.
mbedAustin 11:cada08fc8a70 21 *
mbedAustin 11:cada08fc8a70 22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
mbedAustin 11:cada08fc8a70 23 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
mbedAustin 11:cada08fc8a70 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
mbedAustin 11:cada08fc8a70 25 * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
mbedAustin 11:cada08fc8a70 26 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
mbedAustin 11:cada08fc8a70 27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
mbedAustin 11:cada08fc8a70 28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
mbedAustin 11:cada08fc8a70 29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
mbedAustin 11:cada08fc8a70 30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
mbedAustin 11:cada08fc8a70 31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
mbedAustin 11:cada08fc8a70 32 * POSSIBILITY OF SUCH DAMAGE.
mbedAustin 11:cada08fc8a70 33 *---------------------------------------------------------------------------*/
mbedAustin 11:cada08fc8a70 34
mbedAustin 11:cada08fc8a70 35 NAME HAL_CM4.S
mbedAustin 11:cada08fc8a70 36
mbedAustin 11:cada08fc8a70 37 #define TCB_STACKF 32
mbedAustin 11:cada08fc8a70 38 #define TCB_TSTACK 40
mbedAustin 11:cada08fc8a70 39
mbedAustin 11:cada08fc8a70 40 EXTERN os_flags
mbedAustin 11:cada08fc8a70 41 EXTERN os_tsk
mbedAustin 11:cada08fc8a70 42 EXTERN rt_alloc_box
mbedAustin 11:cada08fc8a70 43 EXTERN rt_free_box
mbedAustin 11:cada08fc8a70 44 EXTERN rt_stk_check
mbedAustin 11:cada08fc8a70 45 EXTERN rt_pop_req
mbedAustin 11:cada08fc8a70 46 EXTERN rt_systick
mbedAustin 11:cada08fc8a70 47 EXTERN os_tick_irqack
mbedAustin 11:cada08fc8a70 48 EXTERN SVC_Table
mbedAustin 11:cada08fc8a70 49 EXTERN SVC_Count
mbedAustin 11:cada08fc8a70 50
mbedAustin 11:cada08fc8a70 51 /*----------------------------------------------------------------------------
mbedAustin 11:cada08fc8a70 52 * Functions
mbedAustin 11:cada08fc8a70 53 *---------------------------------------------------------------------------*/
mbedAustin 11:cada08fc8a70 54
mbedAustin 11:cada08fc8a70 55 SECTION .text:CODE:NOROOT(2)
mbedAustin 11:cada08fc8a70 56 THUMB
mbedAustin 11:cada08fc8a70 57
mbedAustin 11:cada08fc8a70 58 /*--------------------------- rt_set_PSP ------------------------------------*/
mbedAustin 11:cada08fc8a70 59
mbedAustin 11:cada08fc8a70 60 ; void rt_set_PSP (U32 stack);
mbedAustin 11:cada08fc8a70 61
mbedAustin 11:cada08fc8a70 62 PUBLIC rt_set_PSP
mbedAustin 11:cada08fc8a70 63 rt_set_PSP:
mbedAustin 11:cada08fc8a70 64
mbedAustin 11:cada08fc8a70 65 MSR PSP,R0
mbedAustin 11:cada08fc8a70 66 BX LR
mbedAustin 11:cada08fc8a70 67
mbedAustin 11:cada08fc8a70 68
mbedAustin 11:cada08fc8a70 69 /*--------------------------- rt_get_PSP ------------------------------------*/
mbedAustin 11:cada08fc8a70 70
mbedAustin 11:cada08fc8a70 71 ; U32 rt_get_PSP (void);
mbedAustin 11:cada08fc8a70 72
mbedAustin 11:cada08fc8a70 73 PUBLIC rt_get_PSP
mbedAustin 11:cada08fc8a70 74 rt_get_PSP:
mbedAustin 11:cada08fc8a70 75
mbedAustin 11:cada08fc8a70 76 MRS R0,PSP
mbedAustin 11:cada08fc8a70 77 BX LR
mbedAustin 11:cada08fc8a70 78
mbedAustin 11:cada08fc8a70 79
mbedAustin 11:cada08fc8a70 80 /*--------------------------- os_set_env ------------------------------------*/
mbedAustin 11:cada08fc8a70 81
mbedAustin 11:cada08fc8a70 82 ; void os_set_env (void);
mbedAustin 11:cada08fc8a70 83 /* Switch to Unprivileged/Privileged Thread mode, use PSP. */
mbedAustin 11:cada08fc8a70 84
mbedAustin 11:cada08fc8a70 85 PUBLIC os_set_env
mbedAustin 11:cada08fc8a70 86 os_set_env:
mbedAustin 11:cada08fc8a70 87
mbedAustin 11:cada08fc8a70 88 MOV R0,SP /* PSP = MSP */
mbedAustin 11:cada08fc8a70 89 MSR PSP,R0
mbedAustin 11:cada08fc8a70 90 LDR R0,=os_flags
mbedAustin 11:cada08fc8a70 91 LDRB R0,[R0]
mbedAustin 11:cada08fc8a70 92 LSLS R0,#31
mbedAustin 11:cada08fc8a70 93 ITE NE
mbedAustin 11:cada08fc8a70 94 MOVNE R0,#0x02 /* Privileged Thread mode, use PSP */
mbedAustin 11:cada08fc8a70 95 MOVEQ R0,#0x03 /* Unprivileged Thread mode, use PSP */
mbedAustin 11:cada08fc8a70 96 MSR CONTROL,R0
mbedAustin 11:cada08fc8a70 97 BX LR
mbedAustin 11:cada08fc8a70 98
mbedAustin 11:cada08fc8a70 99
mbedAustin 11:cada08fc8a70 100 /*--------------------------- _alloc_box ------------------------------------*/
mbedAustin 11:cada08fc8a70 101
mbedAustin 11:cada08fc8a70 102 ; void *_alloc_box (void *box_mem);
mbedAustin 11:cada08fc8a70 103 /* Function wrapper for Unprivileged/Privileged mode. */
mbedAustin 11:cada08fc8a70 104
mbedAustin 11:cada08fc8a70 105 PUBLIC _alloc_box
mbedAustin 11:cada08fc8a70 106 _alloc_box:
mbedAustin 11:cada08fc8a70 107
mbedAustin 11:cada08fc8a70 108 LDR R12,=rt_alloc_box
mbedAustin 11:cada08fc8a70 109 MRS R3,IPSR
mbedAustin 11:cada08fc8a70 110 LSLS R3,#24
mbedAustin 11:cada08fc8a70 111 IT NE
mbedAustin 11:cada08fc8a70 112 BXNE R12
mbedAustin 11:cada08fc8a70 113 MRS R3,CONTROL
mbedAustin 11:cada08fc8a70 114 LSLS R3,#31
mbedAustin 11:cada08fc8a70 115 IT EQ
mbedAustin 11:cada08fc8a70 116 BXEQ R12
mbedAustin 11:cada08fc8a70 117 SVC 0
mbedAustin 11:cada08fc8a70 118 BX LR
mbedAustin 11:cada08fc8a70 119
mbedAustin 11:cada08fc8a70 120
mbedAustin 11:cada08fc8a70 121 /*--------------------------- _free_box -------------------------------------*/
mbedAustin 11:cada08fc8a70 122
mbedAustin 11:cada08fc8a70 123 ; int _free_box (void *box_mem, void *box);
mbedAustin 11:cada08fc8a70 124 /* Function wrapper for Unprivileged/Privileged mode. */
mbedAustin 11:cada08fc8a70 125
mbedAustin 11:cada08fc8a70 126 PUBLIC _free_box
mbedAustin 11:cada08fc8a70 127 _free_box:
mbedAustin 11:cada08fc8a70 128
mbedAustin 11:cada08fc8a70 129 LDR R12,=rt_free_box
mbedAustin 11:cada08fc8a70 130 MRS R3,IPSR
mbedAustin 11:cada08fc8a70 131 LSLS R3,#24
mbedAustin 11:cada08fc8a70 132 IT NE
mbedAustin 11:cada08fc8a70 133 BXNE R12
mbedAustin 11:cada08fc8a70 134 MRS R3,CONTROL
mbedAustin 11:cada08fc8a70 135 LSLS R3,#31
mbedAustin 11:cada08fc8a70 136 IT EQ
mbedAustin 11:cada08fc8a70 137 BXEQ R12
mbedAustin 11:cada08fc8a70 138 SVC 0
mbedAustin 11:cada08fc8a70 139 BX LR
mbedAustin 11:cada08fc8a70 140
mbedAustin 11:cada08fc8a70 141
mbedAustin 11:cada08fc8a70 142 /*-------------------------- SVC_Handler ------------------------------------*/
mbedAustin 11:cada08fc8a70 143
mbedAustin 11:cada08fc8a70 144 ; void SVC_Handler (void);
mbedAustin 11:cada08fc8a70 145
mbedAustin 11:cada08fc8a70 146 PUBLIC SVC_Handler
mbedAustin 11:cada08fc8a70 147 SVC_Handler:
mbedAustin 11:cada08fc8a70 148
mbedAustin 11:cada08fc8a70 149 #ifdef IFX_XMC4XXX
mbedAustin 11:cada08fc8a70 150 PUBLIC SVC_Handler_Veneer
mbedAustin 11:cada08fc8a70 151 SVC_Handler_Veneer:
mbedAustin 11:cada08fc8a70 152 #endif
mbedAustin 11:cada08fc8a70 153
mbedAustin 11:cada08fc8a70 154 MRS R0,PSP /* Read PSP */
mbedAustin 11:cada08fc8a70 155 LDR R1,[R0,#24] /* Read Saved PC from Stack */
mbedAustin 11:cada08fc8a70 156 LDRB R1,[R1,#-2] /* Load SVC Number */
mbedAustin 11:cada08fc8a70 157 CBNZ R1,SVC_User
mbedAustin 11:cada08fc8a70 158
mbedAustin 11:cada08fc8a70 159 LDM R0,{R0-R3,R12} /* Read R0-R3,R12 from stack */
mbedAustin 11:cada08fc8a70 160 PUSH {R4,LR} /* Save EXC_RETURN */
mbedAustin 11:cada08fc8a70 161 BLX R12 /* Call SVC Function */
mbedAustin 11:cada08fc8a70 162 POP {R4,LR} /* Restore EXC_RETURN */
mbedAustin 11:cada08fc8a70 163
mbedAustin 11:cada08fc8a70 164 MRS R12,PSP /* Read PSP */
mbedAustin 11:cada08fc8a70 165 STM R12,{R0-R2} /* Store return values */
mbedAustin 11:cada08fc8a70 166
mbedAustin 11:cada08fc8a70 167 LDR R3,=os_tsk
mbedAustin 11:cada08fc8a70 168 LDM R3,{R1,R2} /* os_tsk.run, os_tsk.new */
mbedAustin 11:cada08fc8a70 169 CMP R1,R2
mbedAustin 11:cada08fc8a70 170 #ifdef IFX_XMC4XXX
mbedAustin 11:cada08fc8a70 171 ITT EQ
mbedAustin 11:cada08fc8a70 172 PUSHEQ {LR}
mbedAustin 11:cada08fc8a70 173 POPEQ {PC}
mbedAustin 11:cada08fc8a70 174 #else
mbedAustin 11:cada08fc8a70 175 IT EQ
mbedAustin 11:cada08fc8a70 176 BXEQ LR /* RETI, no task switch */
mbedAustin 11:cada08fc8a70 177 #endif
mbedAustin 11:cada08fc8a70 178
mbedAustin 11:cada08fc8a70 179 CBZ R1,SVC_Next /* Runtask deleted? */
mbedAustin 11:cada08fc8a70 180 TST LR,#0x10 /* is it extended frame? */
mbedAustin 11:cada08fc8a70 181 ITTE EQ
mbedAustin 11:cada08fc8a70 182 VSTMDBEQ R12!,{S16-S31} /* yes, stack also VFP hi-regs */
mbedAustin 11:cada08fc8a70 183 MOVEQ R0,#0x01 /* os_tsk->stack_frame val */
mbedAustin 11:cada08fc8a70 184 MOVNE R0,#0x00
mbedAustin 11:cada08fc8a70 185 STRB R0,[R1,#TCB_STACKF] /* os_tsk.run->stack_frame = val */
mbedAustin 11:cada08fc8a70 186 STMDB R12!,{R4-R11} /* Save Old context */
mbedAustin 11:cada08fc8a70 187 STR R12,[R1,#TCB_TSTACK] /* Update os_tsk.run->tsk_stack */
mbedAustin 11:cada08fc8a70 188
mbedAustin 11:cada08fc8a70 189 PUSH {R2,R3}
mbedAustin 11:cada08fc8a70 190 BL rt_stk_check /* Check for Stack overflow */
mbedAustin 11:cada08fc8a70 191 POP {R2,R3}
mbedAustin 11:cada08fc8a70 192
mbedAustin 11:cada08fc8a70 193 SVC_Next:
mbedAustin 11:cada08fc8a70 194 STR R2,[R3] /* os_tsk.run = os_tsk.new */
mbedAustin 11:cada08fc8a70 195
mbedAustin 11:cada08fc8a70 196 LDR R12,[R2,#TCB_TSTACK] /* os_tsk.new->tsk_stack */
mbedAustin 11:cada08fc8a70 197 LDMIA R12!,{R4-R11} /* Restore New Context */
mbedAustin 11:cada08fc8a70 198 LDRB R0,[R2,#TCB_STACKF] /* Stack Frame */
mbedAustin 11:cada08fc8a70 199 CMP R0,#0 /* Basic/Extended Stack Frame */
mbedAustin 11:cada08fc8a70 200 ITTE NE
mbedAustin 11:cada08fc8a70 201 VLDMIANE R12!,{S16-S31} /* restore VFP hi-registers */
mbedAustin 11:cada08fc8a70 202 MVNNE LR,#~0xFFFFFFED /* set EXC_RETURN value */
mbedAustin 11:cada08fc8a70 203 MVNEQ LR,#~0xFFFFFFFD
mbedAustin 11:cada08fc8a70 204 MSR PSP,R12 /* Write PSP */
mbedAustin 11:cada08fc8a70 205
mbedAustin 11:cada08fc8a70 206 SVC_Exit:
mbedAustin 11:cada08fc8a70 207 #ifdef IFX_XMC4XXX
mbedAustin 11:cada08fc8a70 208 PUSH {LR}
mbedAustin 11:cada08fc8a70 209 POP {PC}
mbedAustin 11:cada08fc8a70 210 #else
mbedAustin 11:cada08fc8a70 211 BX LR
mbedAustin 11:cada08fc8a70 212 #endif
mbedAustin 11:cada08fc8a70 213
mbedAustin 11:cada08fc8a70 214 /*------------------- User SVC ------------------------------*/
mbedAustin 11:cada08fc8a70 215
mbedAustin 11:cada08fc8a70 216 SVC_User:
mbedAustin 11:cada08fc8a70 217 PUSH {R4,LR} /* Save Registers */
mbedAustin 11:cada08fc8a70 218 LDR R2,=SVC_Count
mbedAustin 11:cada08fc8a70 219 LDR R2,[R2]
mbedAustin 11:cada08fc8a70 220 CMP R1,R2
mbedAustin 11:cada08fc8a70 221 BHI SVC_Done /* Overflow */
mbedAustin 11:cada08fc8a70 222
mbedAustin 11:cada08fc8a70 223 LDR R4,=SVC_Table-4
mbedAustin 11:cada08fc8a70 224 LDR R4,[R4,R1,LSL #2] /* Load SVC Function Address */
mbedAustin 11:cada08fc8a70 225
mbedAustin 11:cada08fc8a70 226 LDM R0,{R0-R3,R12} /* Read R0-R3,R12 from stack */
mbedAustin 11:cada08fc8a70 227 BLX R4 /* Call SVC Function */
mbedAustin 11:cada08fc8a70 228
mbedAustin 11:cada08fc8a70 229 MRS R12,PSP
mbedAustin 11:cada08fc8a70 230 STM R12,{R0-R3} /* Function return values */
mbedAustin 11:cada08fc8a70 231 SVC_Done:
mbedAustin 11:cada08fc8a70 232 POP {R4,PC} /* RETI */
mbedAustin 11:cada08fc8a70 233
mbedAustin 11:cada08fc8a70 234
mbedAustin 11:cada08fc8a70 235 /*-------------------------- PendSV_Handler ---------------------------------*/
mbedAustin 11:cada08fc8a70 236
mbedAustin 11:cada08fc8a70 237 ; void PendSV_Handler (void);
mbedAustin 11:cada08fc8a70 238
mbedAustin 11:cada08fc8a70 239 PUBLIC PendSV_Handler
mbedAustin 11:cada08fc8a70 240 PendSV_Handler:
mbedAustin 11:cada08fc8a70 241
mbedAustin 11:cada08fc8a70 242 #ifdef IFX_XMC4XXX
mbedAustin 11:cada08fc8a70 243 PUBLIC PendSV_Handler_Veneer
mbedAustin 11:cada08fc8a70 244 PendSV_Handler_Veneer:
mbedAustin 11:cada08fc8a70 245 #endif
mbedAustin 11:cada08fc8a70 246
mbedAustin 11:cada08fc8a70 247 PUSH {R4,LR} /* Save EXC_RETURN */
mbedAustin 11:cada08fc8a70 248 BL rt_pop_req
mbedAustin 11:cada08fc8a70 249
mbedAustin 11:cada08fc8a70 250 Sys_Switch:
mbedAustin 11:cada08fc8a70 251 POP {R4,LR} /* Restore EXC_RETURN */
mbedAustin 11:cada08fc8a70 252
mbedAustin 11:cada08fc8a70 253 LDR R3,=os_tsk
mbedAustin 11:cada08fc8a70 254 LDM R3,{R1,R2} /* os_tsk.run, os_tsk.new */
mbedAustin 11:cada08fc8a70 255 CMP R1,R2
mbedAustin 11:cada08fc8a70 256 #ifdef IFX_XMC4XXX
mbedAustin 11:cada08fc8a70 257 ITT EQ
mbedAustin 11:cada08fc8a70 258 PUSHEQ {LR}
mbedAustin 11:cada08fc8a70 259 POPEQ {PC}
mbedAustin 11:cada08fc8a70 260 #else
mbedAustin 11:cada08fc8a70 261 IT EQ
mbedAustin 11:cada08fc8a70 262 BXEQ LR /* RETI, no task switch */
mbedAustin 11:cada08fc8a70 263 #endif
mbedAustin 11:cada08fc8a70 264
mbedAustin 11:cada08fc8a70 265 MRS R12,PSP /* Read PSP */
mbedAustin 11:cada08fc8a70 266 TST LR,#0x10 /* is it extended frame? */
mbedAustin 11:cada08fc8a70 267 ITTE EQ
mbedAustin 11:cada08fc8a70 268 VSTMDBEQ R12!,{S16-S31} /* yes, stack also VFP hi-regs */
mbedAustin 11:cada08fc8a70 269 MOVEQ R0,#0x01 /* os_tsk->stack_frame val */
mbedAustin 11:cada08fc8a70 270 MOVNE R0,#0x00
mbedAustin 11:cada08fc8a70 271 STRB R0,[R1,#TCB_STACKF] /* os_tsk.run->stack_frame = val */
mbedAustin 11:cada08fc8a70 272 STMDB R12!,{R4-R11} /* Save Old context */
mbedAustin 11:cada08fc8a70 273 STR R12,[R1,#TCB_TSTACK] /* Update os_tsk.run->tsk_stack */
mbedAustin 11:cada08fc8a70 274
mbedAustin 11:cada08fc8a70 275 PUSH {R2,R3}
mbedAustin 11:cada08fc8a70 276 BL rt_stk_check /* Check for Stack overflow */
mbedAustin 11:cada08fc8a70 277 POP {R2,R3}
mbedAustin 11:cada08fc8a70 278
mbedAustin 11:cada08fc8a70 279 STR R2,[R3] /* os_tsk.run = os_tsk.new */
mbedAustin 11:cada08fc8a70 280
mbedAustin 11:cada08fc8a70 281 LDR R12,[R2,#TCB_TSTACK] /* os_tsk.new->tsk_stack */
mbedAustin 11:cada08fc8a70 282 LDMIA R12!,{R4-R11} /* Restore New Context */
mbedAustin 11:cada08fc8a70 283 LDRB R0,[R2,#TCB_STACKF] /* Stack Frame */
mbedAustin 11:cada08fc8a70 284 CMP R0,#0 /* Basic/Extended Stack Frame */
mbedAustin 11:cada08fc8a70 285 ITTE NE
mbedAustin 11:cada08fc8a70 286 VLDMIANE R12!,{S16-S31} /* restore VFP hi-registers */
mbedAustin 11:cada08fc8a70 287 MVNNE LR,#~0xFFFFFFED /* set EXC_RETURN value */
mbedAustin 11:cada08fc8a70 288 MVNEQ LR,#~0xFFFFFFFD
mbedAustin 11:cada08fc8a70 289 MSR PSP,R12 /* Write PSP */
mbedAustin 11:cada08fc8a70 290
mbedAustin 11:cada08fc8a70 291 Sys_Exit:
mbedAustin 11:cada08fc8a70 292 #ifdef IFX_XMC4XXX
mbedAustin 11:cada08fc8a70 293 PUSH {LR}
mbedAustin 11:cada08fc8a70 294 POP {PC}
mbedAustin 11:cada08fc8a70 295 #else
mbedAustin 11:cada08fc8a70 296 BX LR /* Return to Thread Mode */
mbedAustin 11:cada08fc8a70 297 #endif
mbedAustin 11:cada08fc8a70 298
mbedAustin 11:cada08fc8a70 299
mbedAustin 11:cada08fc8a70 300 /*-------------------------- SysTick_Handler --------------------------------*/
mbedAustin 11:cada08fc8a70 301
mbedAustin 11:cada08fc8a70 302 ; void SysTick_Handler (void);
mbedAustin 11:cada08fc8a70 303
mbedAustin 11:cada08fc8a70 304 PUBLIC SysTick_Handler
mbedAustin 11:cada08fc8a70 305 SysTick_Handler:
mbedAustin 11:cada08fc8a70 306 #ifdef IFX_XMC4XXX
mbedAustin 11:cada08fc8a70 307 PUBLIC SysTick_Handler_Veneer
mbedAustin 11:cada08fc8a70 308 SysTick_Handler_Veneer:
mbedAustin 11:cada08fc8a70 309 #endif
mbedAustin 11:cada08fc8a70 310
mbedAustin 11:cada08fc8a70 311 PUSH {R4,LR} /* Save EXC_RETURN */
mbedAustin 11:cada08fc8a70 312 BL rt_systick
mbedAustin 11:cada08fc8a70 313 B Sys_Switch
mbedAustin 11:cada08fc8a70 314
mbedAustin 11:cada08fc8a70 315
mbedAustin 11:cada08fc8a70 316 /*-------------------------- OS_Tick_Handler --------------------------------*/
mbedAustin 11:cada08fc8a70 317
mbedAustin 11:cada08fc8a70 318 ; void OS_Tick_Handler (void);
mbedAustin 11:cada08fc8a70 319
mbedAustin 11:cada08fc8a70 320 PUBLIC OS_Tick_Handler
mbedAustin 11:cada08fc8a70 321 OS_Tick_Handler:
mbedAustin 11:cada08fc8a70 322
mbedAustin 11:cada08fc8a70 323 PUSH {R4,LR} /* Save EXC_RETURN */
mbedAustin 11:cada08fc8a70 324 BL os_tick_irqack
mbedAustin 11:cada08fc8a70 325 BL rt_systick
mbedAustin 11:cada08fc8a70 326 B Sys_Switch
mbedAustin 11:cada08fc8a70 327
mbedAustin 11:cada08fc8a70 328
mbedAustin 11:cada08fc8a70 329 END
mbedAustin 11:cada08fc8a70 330
mbedAustin 11:cada08fc8a70 331 /*----------------------------------------------------------------------------
mbedAustin 11:cada08fc8a70 332 * end of file
mbedAustin 11:cada08fc8a70 333 *---------------------------------------------------------------------------*/