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_ARM7/ARM7/TOOLCHAIN_GCC/HAL_CM0.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 * RL-ARM - RTX
mbedAustin 11:cada08fc8a70 3 *----------------------------------------------------------------------------
mbedAustin 11:cada08fc8a70 4 * Name: HAL_CM0.S
mbedAustin 11:cada08fc8a70 5 * Purpose: Hardware Abstraction Layer for ARM7TDMI
mbedAustin 11:cada08fc8a70 6 * Rev.: V1.0
mbedAustin 11:cada08fc8a70 7 *----------------------------------------------------------------------------
mbedAustin 11:cada08fc8a70 8 *
mbedAustin 11:cada08fc8a70 9 * Copyright (c) 1999-2009 KEIL, 2009-2015 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 .file "HAL_CM0.S"
mbedAustin 11:cada08fc8a70 36 .syntax unified
mbedAustin 11:cada08fc8a70 37
mbedAustin 11:cada08fc8a70 38 .equ TCB_TSTACK, 40
mbedAustin 11:cada08fc8a70 39
mbedAustin 11:cada08fc8a70 40
mbedAustin 11:cada08fc8a70 41 /*----------------------------------------------------------------------------
mbedAustin 11:cada08fc8a70 42 * Functions
mbedAustin 11:cada08fc8a70 43 *---------------------------------------------------------------------------*/
mbedAustin 11:cada08fc8a70 44
mbedAustin 11:cada08fc8a70 45 .arm
mbedAustin 11:cada08fc8a70 46
mbedAustin 11:cada08fc8a70 47 .section ".text"
mbedAustin 11:cada08fc8a70 48 .align 2
mbedAustin 11:cada08fc8a70 49
mbedAustin 11:cada08fc8a70 50 /*-------------------------- Save Context --------------------------------*/
mbedAustin 11:cada08fc8a70 51 /* MUST be called the first */
mbedAustin 11:cada08fc8a70 52 .macro SaveContext
mbedAustin 11:cada08fc8a70 53
mbedAustin 11:cada08fc8a70 54 /* Push R0 as we are going to use the register. */ \
mbedAustin 11:cada08fc8a70 55 STMDB SP!, {R0}
mbedAustin 11:cada08fc8a70 56
mbedAustin 11:cada08fc8a70 57 /* Set R0 to SP(user) */
mbedAustin 11:cada08fc8a70 58 STMDB SP,{SP}^
mbedAustin 11:cada08fc8a70 59 NOP
mbedAustin 11:cada08fc8a70 60 SUB SP, SP, #4
mbedAustin 11:cada08fc8a70 61 LDMIA SP!,{R0}
mbedAustin 11:cada08fc8a70 62
mbedAustin 11:cada08fc8a70 63 /* Push the LR return address onto the user stack. */
mbedAustin 11:cada08fc8a70 64 STMDB R0!, {LR}
mbedAustin 11:cada08fc8a70 65
mbedAustin 11:cada08fc8a70 66 /* Now we have saved LR we can use it instead of R0. */
mbedAustin 11:cada08fc8a70 67 MOV LR, R0
mbedAustin 11:cada08fc8a70 68
mbedAustin 11:cada08fc8a70 69 /* Pop R0 so we can save it onto the system mode stack. */
mbedAustin 11:cada08fc8a70 70 LDMIA SP!, {R0}
mbedAustin 11:cada08fc8a70 71
mbedAustin 11:cada08fc8a70 72 /* Push all the system mode registers onto the task stack. */
mbedAustin 11:cada08fc8a70 73 STMDB LR,{R0-R12,LR}^ /* LR can not be changed because user's LR is used*/
mbedAustin 11:cada08fc8a70 74 NOP /* pass 1 cycle before changing LR */
mbedAustin 11:cada08fc8a70 75 SUB LR, LR, #14*4 /* change LR now -15 dwords (R0-R14)*/
mbedAustin 11:cada08fc8a70 76
mbedAustin 11:cada08fc8a70 77 /* Push the SPSR onto the task stack. */
mbedAustin 11:cada08fc8a70 78 MRS R0, SPSR
mbedAustin 11:cada08fc8a70 79 STMDB LR!, {R0}
mbedAustin 11:cada08fc8a70 80
mbedAustin 11:cada08fc8a70 81 /* Store the new top of stack for the task. */
mbedAustin 11:cada08fc8a70 82 LDR R0,=os_tsk
mbedAustin 11:cada08fc8a70 83 LDR R0, [R0] /* R0 = (tcb) os_tsk.run */
mbedAustin 11:cada08fc8a70 84 STR LR, [R0, TCB_TSTACK] /* tcb.tsk_stack = SP(user) */
mbedAustin 11:cada08fc8a70 85 .endm
mbedAustin 11:cada08fc8a70 86
mbedAustin 11:cada08fc8a70 87 /*-------------------------- Restore Context --------------------------------*/
mbedAustin 11:cada08fc8a70 88 .type RestoreContext, %function
mbedAustin 11:cada08fc8a70 89 .global RestoreContext
mbedAustin 11:cada08fc8a70 90 RestoreContext:
mbedAustin 11:cada08fc8a70 91 .fnstart
mbedAustin 11:cada08fc8a70 92 .cantunwind
mbedAustin 11:cada08fc8a70 93 /* Set the LR to the task stack. */
mbedAustin 11:cada08fc8a70 94 LDR R0,=os_tsk
mbedAustin 11:cada08fc8a70 95 LDR R1, [R0, 4] /* R1 = (tcb) os_tsk.new */
mbedAustin 11:cada08fc8a70 96 STR R1, [R0] /* os_tsk.run = os_tsk_newk */
mbedAustin 11:cada08fc8a70 97 LDR LR, [R1, TCB_TSTACK] /* LR = tcb.tsk_stack */
mbedAustin 11:cada08fc8a70 98
mbedAustin 11:cada08fc8a70 99 /* Get the SPSR from the stack. */
mbedAustin 11:cada08fc8a70 100 LDMFD LR!, {R0} /* SPSR */
mbedAustin 11:cada08fc8a70 101 MSR SPSR, R0
mbedAustin 11:cada08fc8a70 102
mbedAustin 11:cada08fc8a70 103 /* Restore all system mode registers for the task. */
mbedAustin 11:cada08fc8a70 104 LDMFD LR, {R0-R12,LR}^
mbedAustin 11:cada08fc8a70 105 NOP
mbedAustin 11:cada08fc8a70 106
mbedAustin 11:cada08fc8a70 107 ADD LR, LR, 15*4 /* increase starck pointer */
mbedAustin 11:cada08fc8a70 108 /* Set SP(user) to LR */
mbedAustin 11:cada08fc8a70 109 STMDB SP!,{LR}
mbedAustin 11:cada08fc8a70 110 LDMIA SP,{SP}^
mbedAustin 11:cada08fc8a70 111 NOP
mbedAustin 11:cada08fc8a70 112 ADD SP, SP, #4
mbedAustin 11:cada08fc8a70 113
mbedAustin 11:cada08fc8a70 114 /* Restore the return address. */
mbedAustin 11:cada08fc8a70 115 LDR LR, [LR,#-4] /* last dword is task's PC register */
mbedAustin 11:cada08fc8a70 116
mbedAustin 11:cada08fc8a70 117 /* And return - correcting the offset in the LR to obtain the */
mbedAustin 11:cada08fc8a70 118 /* correct address. */
mbedAustin 11:cada08fc8a70 119 SUBS PC, LR, #4
mbedAustin 11:cada08fc8a70 120
mbedAustin 11:cada08fc8a70 121 /*-------------------------- End --------------------------------*/
mbedAustin 11:cada08fc8a70 122 .fnend
mbedAustin 11:cada08fc8a70 123 .size RestoreContext, .-RestoreContext
mbedAustin 11:cada08fc8a70 124
mbedAustin 11:cada08fc8a70 125
mbedAustin 11:cada08fc8a70 126
mbedAustin 11:cada08fc8a70 127 /*--------------------------- rt_set_PSP ------------------------------------*/
mbedAustin 11:cada08fc8a70 128
mbedAustin 11:cada08fc8a70 129 # void rt_set_PSP (U32 stack);
mbedAustin 11:cada08fc8a70 130
mbedAustin 11:cada08fc8a70 131 .type rt_set_PSP, %function
mbedAustin 11:cada08fc8a70 132 .global rt_set_PSP
mbedAustin 11:cada08fc8a70 133 rt_set_PSP:
mbedAustin 11:cada08fc8a70 134 .fnstart
mbedAustin 11:cada08fc8a70 135 .cantunwind
mbedAustin 11:cada08fc8a70 136
mbedAustin 11:cada08fc8a70 137 MOV SP,R0
mbedAustin 11:cada08fc8a70 138 BX LR
mbedAustin 11:cada08fc8a70 139
mbedAustin 11:cada08fc8a70 140 .fnend
mbedAustin 11:cada08fc8a70 141 .size rt_set_PSP, .-rt_set_PSP
mbedAustin 11:cada08fc8a70 142
mbedAustin 11:cada08fc8a70 143
mbedAustin 11:cada08fc8a70 144 /*--------------------------- rt_get_PSP ------------------------------------*/
mbedAustin 11:cada08fc8a70 145
mbedAustin 11:cada08fc8a70 146 # U32 rt_get_PSP (void);
mbedAustin 11:cada08fc8a70 147
mbedAustin 11:cada08fc8a70 148 .type rt_get_PSP, %function
mbedAustin 11:cada08fc8a70 149 .global rt_get_PSP
mbedAustin 11:cada08fc8a70 150 rt_get_PSP:
mbedAustin 11:cada08fc8a70 151 .fnstart
mbedAustin 11:cada08fc8a70 152 .cantunwind
mbedAustin 11:cada08fc8a70 153
mbedAustin 11:cada08fc8a70 154 MOV R0,SP
mbedAustin 11:cada08fc8a70 155 BX LR
mbedAustin 11:cada08fc8a70 156
mbedAustin 11:cada08fc8a70 157 .fnend
mbedAustin 11:cada08fc8a70 158 .size rt_get_PSP, .-rt_get_PSP
mbedAustin 11:cada08fc8a70 159
mbedAustin 11:cada08fc8a70 160
mbedAustin 11:cada08fc8a70 161
mbedAustin 11:cada08fc8a70 162 /*--------------------------- _alloc_box ------------------------------------*/
mbedAustin 11:cada08fc8a70 163
mbedAustin 11:cada08fc8a70 164 # void *_alloc_box (void *box_mem);
mbedAustin 11:cada08fc8a70 165 /* Function wrapper for Unprivileged/Privileged mode. */
mbedAustin 11:cada08fc8a70 166
mbedAustin 11:cada08fc8a70 167 .type _alloc_box, %function
mbedAustin 11:cada08fc8a70 168 .global _alloc_box
mbedAustin 11:cada08fc8a70 169 _alloc_box:
mbedAustin 11:cada08fc8a70 170 .fnstart
mbedAustin 11:cada08fc8a70 171 .cantunwind
mbedAustin 11:cada08fc8a70 172
mbedAustin 11:cada08fc8a70 173 LDR R3,=rt_alloc_box
mbedAustin 11:cada08fc8a70 174 MOV R12, R3
mbedAustin 11:cada08fc8a70 175 MRS R3, CPSR
mbedAustin 11:cada08fc8a70 176 AND R3, 0x1F
mbedAustin 11:cada08fc8a70 177 CMP R3, 0x12 /* IRQ mode*/
mbedAustin 11:cada08fc8a70 178 BNE PrivilegedA
mbedAustin 11:cada08fc8a70 179 CMP R3, 0x1F /* System mode*/
mbedAustin 11:cada08fc8a70 180 BNE PrivilegedA
mbedAustin 11:cada08fc8a70 181 SVC 0
mbedAustin 11:cada08fc8a70 182 BX LR
mbedAustin 11:cada08fc8a70 183 PrivilegedA:
mbedAustin 11:cada08fc8a70 184 BX R12
mbedAustin 11:cada08fc8a70 185
mbedAustin 11:cada08fc8a70 186 .fnend
mbedAustin 11:cada08fc8a70 187 .size _alloc_box, .-_alloc_box
mbedAustin 11:cada08fc8a70 188
mbedAustin 11:cada08fc8a70 189
mbedAustin 11:cada08fc8a70 190 /*--------------------------- _free_box -------------------------------------*/
mbedAustin 11:cada08fc8a70 191
mbedAustin 11:cada08fc8a70 192 # int _free_box (void *box_mem, void *box);
mbedAustin 11:cada08fc8a70 193 /* Function wrapper for Unprivileged/Privileged mode. */
mbedAustin 11:cada08fc8a70 194
mbedAustin 11:cada08fc8a70 195 .type _free_box, %function
mbedAustin 11:cada08fc8a70 196 .global _free_box
mbedAustin 11:cada08fc8a70 197 _free_box:
mbedAustin 11:cada08fc8a70 198 .fnstart
mbedAustin 11:cada08fc8a70 199 .cantunwind
mbedAustin 11:cada08fc8a70 200
mbedAustin 11:cada08fc8a70 201 LDR R3,=rt_free_box
mbedAustin 11:cada08fc8a70 202 MOV R12, R3
mbedAustin 11:cada08fc8a70 203 MRS R3, CPSR
mbedAustin 11:cada08fc8a70 204 AND R3, 0x1F
mbedAustin 11:cada08fc8a70 205 CMP R3, 0x12 /* IRQ mode*/
mbedAustin 11:cada08fc8a70 206 BNE PrivilegedA
mbedAustin 11:cada08fc8a70 207 CMP R3, 0x1F /* System mode*/
mbedAustin 11:cada08fc8a70 208 BNE PrivilegedA
mbedAustin 11:cada08fc8a70 209 SVC 0
mbedAustin 11:cada08fc8a70 210 BX LR
mbedAustin 11:cada08fc8a70 211 PrivilegedF:
mbedAustin 11:cada08fc8a70 212 BX R12
mbedAustin 11:cada08fc8a70 213
mbedAustin 11:cada08fc8a70 214 .fnend
mbedAustin 11:cada08fc8a70 215 .size _free_box, .-_free_box
mbedAustin 11:cada08fc8a70 216
mbedAustin 11:cada08fc8a70 217
mbedAustin 11:cada08fc8a70 218 /*-------------------------- SVC_Handler ------------------------------------*/
mbedAustin 11:cada08fc8a70 219
mbedAustin 11:cada08fc8a70 220 # void SVC_Handler (void);
mbedAustin 11:cada08fc8a70 221
mbedAustin 11:cada08fc8a70 222 .type SVC_Handler, %function
mbedAustin 11:cada08fc8a70 223 .global SVC_Handler
mbedAustin 11:cada08fc8a70 224 SVC_Handler:
mbedAustin 11:cada08fc8a70 225 .fnstart
mbedAustin 11:cada08fc8a70 226 .cantunwind
mbedAustin 11:cada08fc8a70 227 /* Within an IRQ ISR the link register has an offset from the true return
mbedAustin 11:cada08fc8a70 228 address, but an SWI ISR does not. Add the offset manually so the same
mbedAustin 11:cada08fc8a70 229 ISR return code can be used in both cases. */
mbedAustin 11:cada08fc8a70 230
mbedAustin 11:cada08fc8a70 231 STMFD SP!, {R0,LR} /* Store registers. */
mbedAustin 11:cada08fc8a70 232 ADD LR, LR, #4 /* Align LR with IRQ handler */
mbedAustin 11:cada08fc8a70 233 SaveContext
mbedAustin 11:cada08fc8a70 234 MOV R11, LR /* Save Task Stack Pointer */
mbedAustin 11:cada08fc8a70 235 LDMFD SP!, {R0,LR} /* Restore registers and return. */
mbedAustin 11:cada08fc8a70 236 STMFD SP!, {R11} /* Save Task Stack Pointer */
mbedAustin 11:cada08fc8a70 237
mbedAustin 11:cada08fc8a70 238 LDR R5, [LR,#-4] /* Calculate address of SWI instruction and load it into r5. */
mbedAustin 11:cada08fc8a70 239 BIC R5, R5,#0xff000000 /* Mask off top 8 bits of instruction to give SWI number. */
mbedAustin 11:cada08fc8a70 240
mbedAustin 11:cada08fc8a70 241 CMP R5, #0
mbedAustin 11:cada08fc8a70 242 BNE SVC_User /* User SVC Number > 0 */
mbedAustin 11:cada08fc8a70 243 MOV LR, PC /* set LR to return address */
mbedAustin 11:cada08fc8a70 244 BX R12 /* Call SVC Function */
mbedAustin 11:cada08fc8a70 245
mbedAustin 11:cada08fc8a70 246 LDMFD SP!, {R11} /* Load Task Stack Pointer */
mbedAustin 11:cada08fc8a70 247 STMIB R11!, {R0-R3} /* Store return values to Task stack */
mbedAustin 11:cada08fc8a70 248
mbedAustin 11:cada08fc8a70 249 SVC_Exit:
mbedAustin 11:cada08fc8a70 250 B RestoreContext /* return to the task */
mbedAustin 11:cada08fc8a70 251
mbedAustin 11:cada08fc8a70 252 /*------------------- User SVC ------------------------------*/
mbedAustin 11:cada08fc8a70 253
mbedAustin 11:cada08fc8a70 254 SVC_User:
mbedAustin 11:cada08fc8a70 255 LDR R6,=SVC_Count
mbedAustin 11:cada08fc8a70 256 LDR R6,[R6]
mbedAustin 11:cada08fc8a70 257 CMP R5,R6
mbedAustin 11:cada08fc8a70 258 LDMFDHI SP!, {R11}
mbedAustin 11:cada08fc8a70 259 BHI SVC_Done /* Overflow */
mbedAustin 11:cada08fc8a70 260
mbedAustin 11:cada08fc8a70 261 LDR R4,=SVC_Table - 4
mbedAustin 11:cada08fc8a70 262 LSLS R5,R5,#2
mbedAustin 11:cada08fc8a70 263 LDR R4,[R4,R5] /* Load SVC Function Address */
mbedAustin 11:cada08fc8a70 264 /* R0-R3,R12 are unchanged */
mbedAustin 11:cada08fc8a70 265 MOV LR, PC /* set LR to return address */
mbedAustin 11:cada08fc8a70 266 BX R4 /* Call SVC Function */
mbedAustin 11:cada08fc8a70 267
mbedAustin 11:cada08fc8a70 268 LDMFD SP!, {R11} /* Load Task Stack Pointer */
mbedAustin 11:cada08fc8a70 269 BEQ SVC_Exit /* no need in return values */
mbedAustin 11:cada08fc8a70 270
mbedAustin 11:cada08fc8a70 271 STMIB R11!, {R0-R3} /* Store return values to Task stack */
mbedAustin 11:cada08fc8a70 272 SVC_Done:
mbedAustin 11:cada08fc8a70 273 B RestoreContext /* return to the task */
mbedAustin 11:cada08fc8a70 274
mbedAustin 11:cada08fc8a70 275 .fnend
mbedAustin 11:cada08fc8a70 276 .size SVC_Handler, .-SVC_Handler
mbedAustin 11:cada08fc8a70 277
mbedAustin 11:cada08fc8a70 278
mbedAustin 11:cada08fc8a70 279 /*-------------------------- IRQ_Handler ---------------------------------*/
mbedAustin 11:cada08fc8a70 280
mbedAustin 11:cada08fc8a70 281 # void IRQ_Handler (void);
mbedAustin 11:cada08fc8a70 282
mbedAustin 11:cada08fc8a70 283 .type IRQ_Handler, %function
mbedAustin 11:cada08fc8a70 284 .global IRQ_Handler
mbedAustin 11:cada08fc8a70 285 IRQ_Handler:
mbedAustin 11:cada08fc8a70 286 .fnstart
mbedAustin 11:cada08fc8a70 287 .cantunwind
mbedAustin 11:cada08fc8a70 288
mbedAustin 11:cada08fc8a70 289 SaveContext
mbedAustin 11:cada08fc8a70 290
mbedAustin 11:cada08fc8a70 291 MOV R0, #0xFFFFFF00
mbedAustin 11:cada08fc8a70 292 LDR R0, [R0] /* Load address of raised IRQ handler*/
mbedAustin 11:cada08fc8a70 293
mbedAustin 11:cada08fc8a70 294 MOV LR, PC
mbedAustin 11:cada08fc8a70 295 BX R0
mbedAustin 11:cada08fc8a70 296
mbedAustin 11:cada08fc8a70 297 MOV R0, #0xFFFFFF00
mbedAustin 11:cada08fc8a70 298 STR R0, [R0] /* Clear interrupt */
mbedAustin 11:cada08fc8a70 299
mbedAustin 11:cada08fc8a70 300 B RestoreContext
mbedAustin 11:cada08fc8a70 301
mbedAustin 11:cada08fc8a70 302 .fnend
mbedAustin 11:cada08fc8a70 303 .size IRQ_Handler, .-IRQ_Handler
mbedAustin 11:cada08fc8a70 304
mbedAustin 11:cada08fc8a70 305 /*-------------------------- SysTick_Handler --------------------------------*/
mbedAustin 11:cada08fc8a70 306
mbedAustin 11:cada08fc8a70 307 # void SysTick_Handler (void);
mbedAustin 11:cada08fc8a70 308
mbedAustin 11:cada08fc8a70 309 .type SysTick_Handler, %function
mbedAustin 11:cada08fc8a70 310 .global SysTick_Handler
mbedAustin 11:cada08fc8a70 311 SysTick_Handler:
mbedAustin 11:cada08fc8a70 312 .fnstart
mbedAustin 11:cada08fc8a70 313 .cantunwind
mbedAustin 11:cada08fc8a70 314
mbedAustin 11:cada08fc8a70 315 PUSH {LR}
mbedAustin 11:cada08fc8a70 316 BL rt_systick
mbedAustin 11:cada08fc8a70 317 POP {LR}
mbedAustin 11:cada08fc8a70 318 BX LR /* return to IRQ handler */
mbedAustin 11:cada08fc8a70 319
mbedAustin 11:cada08fc8a70 320 /*-------------------------- End --------------------------------*/
mbedAustin 11:cada08fc8a70 321 .fnend
mbedAustin 11:cada08fc8a70 322 .size SysTick_Handler, .-SysTick_Handler
mbedAustin 11:cada08fc8a70 323
mbedAustin 11:cada08fc8a70 324
mbedAustin 11:cada08fc8a70 325 /*----------------------------------------------------------------------------
mbedAustin 11:cada08fc8a70 326 * end of file
mbedAustin 11:cada08fc8a70 327 *---------------------------------------------------------------------------*/
mbedAustin 11:cada08fc8a70 328
mbedAustin 11:cada08fc8a70 329 .end