ProjetoBB
Dependencies: F7_Ethernet WebSocketClient mbed mcp3008
Fork of Nucleo_F746ZG_Ethernet by
mbed-rtos/rtx/TARGET_CORTEX_M/TARGET_M3/TOOLCHAIN_IAR/HAL_CM3.S@0:f9b6112278fe, 2016-06-18 (annotated)
- Committer:
- DieterGraef
- Date:
- Sat Jun 18 10:49:12 2016 +0000
- Revision:
- 0:f9b6112278fe
Ethernet for the NUCLEO STM32F746 Board Testprogram uses DHCP and NTP to set the clock
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
DieterGraef | 0:f9b6112278fe | 1 | /*---------------------------------------------------------------------------- |
DieterGraef | 0:f9b6112278fe | 2 | * CMSIS-RTOS - RTX |
DieterGraef | 0:f9b6112278fe | 3 | *---------------------------------------------------------------------------- |
DieterGraef | 0:f9b6112278fe | 4 | * Name: HAL_CM3.S |
DieterGraef | 0:f9b6112278fe | 5 | * Purpose: Hardware Abstraction Layer for Cortex-M3 |
DieterGraef | 0:f9b6112278fe | 6 | * Rev.: V4.70 |
DieterGraef | 0:f9b6112278fe | 7 | *---------------------------------------------------------------------------- |
DieterGraef | 0:f9b6112278fe | 8 | * |
DieterGraef | 0:f9b6112278fe | 9 | * Copyright (c) 1999-2009 KEIL, 2009-2013 ARM Germany GmbH |
DieterGraef | 0:f9b6112278fe | 10 | * All rights reserved. |
DieterGraef | 0:f9b6112278fe | 11 | * Redistribution and use in source and binary forms, with or without |
DieterGraef | 0:f9b6112278fe | 12 | * modification, are permitted provided that the following conditions are met: |
DieterGraef | 0:f9b6112278fe | 13 | * - Redistributions of source code must retain the above copyright |
DieterGraef | 0:f9b6112278fe | 14 | * notice, this list of conditions and the following disclaimer. |
DieterGraef | 0:f9b6112278fe | 15 | * - Redistributions in binary form must reproduce the above copyright |
DieterGraef | 0:f9b6112278fe | 16 | * notice, this list of conditions and the following disclaimer in the |
DieterGraef | 0:f9b6112278fe | 17 | * documentation and/or other materials provided with the distribution. |
DieterGraef | 0:f9b6112278fe | 18 | * - Neither the name of ARM nor the names of its contributors may be used |
DieterGraef | 0:f9b6112278fe | 19 | * to endorse or promote products derived from this software without |
DieterGraef | 0:f9b6112278fe | 20 | * specific prior written permission. |
DieterGraef | 0:f9b6112278fe | 21 | * |
DieterGraef | 0:f9b6112278fe | 22 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
DieterGraef | 0:f9b6112278fe | 23 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
DieterGraef | 0:f9b6112278fe | 24 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
DieterGraef | 0:f9b6112278fe | 25 | * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE |
DieterGraef | 0:f9b6112278fe | 26 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
DieterGraef | 0:f9b6112278fe | 27 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
DieterGraef | 0:f9b6112278fe | 28 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
DieterGraef | 0:f9b6112278fe | 29 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
DieterGraef | 0:f9b6112278fe | 30 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
DieterGraef | 0:f9b6112278fe | 31 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
DieterGraef | 0:f9b6112278fe | 32 | * POSSIBILITY OF SUCH DAMAGE. |
DieterGraef | 0:f9b6112278fe | 33 | *---------------------------------------------------------------------------*/ |
DieterGraef | 0:f9b6112278fe | 34 | |
DieterGraef | 0:f9b6112278fe | 35 | NAME HAL_CM3.S |
DieterGraef | 0:f9b6112278fe | 36 | |
DieterGraef | 0:f9b6112278fe | 37 | #define TCB_TSTACK 44 |
DieterGraef | 0:f9b6112278fe | 38 | |
DieterGraef | 0:f9b6112278fe | 39 | EXTERN os_flags |
DieterGraef | 0:f9b6112278fe | 40 | EXTERN os_tsk |
DieterGraef | 0:f9b6112278fe | 41 | EXTERN rt_alloc_box |
DieterGraef | 0:f9b6112278fe | 42 | EXTERN rt_free_box |
DieterGraef | 0:f9b6112278fe | 43 | EXTERN rt_stk_check |
DieterGraef | 0:f9b6112278fe | 44 | EXTERN rt_pop_req |
DieterGraef | 0:f9b6112278fe | 45 | EXTERN rt_systick |
DieterGraef | 0:f9b6112278fe | 46 | EXTERN os_tick_irqack |
DieterGraef | 0:f9b6112278fe | 47 | EXTERN SVC_Table |
DieterGraef | 0:f9b6112278fe | 48 | EXTERN SVC_Count |
DieterGraef | 0:f9b6112278fe | 49 | |
DieterGraef | 0:f9b6112278fe | 50 | /*---------------------------------------------------------------------------- |
DieterGraef | 0:f9b6112278fe | 51 | * Functions |
DieterGraef | 0:f9b6112278fe | 52 | *---------------------------------------------------------------------------*/ |
DieterGraef | 0:f9b6112278fe | 53 | |
DieterGraef | 0:f9b6112278fe | 54 | SECTION .text:CODE:NOROOT(2) |
DieterGraef | 0:f9b6112278fe | 55 | THUMB |
DieterGraef | 0:f9b6112278fe | 56 | |
DieterGraef | 0:f9b6112278fe | 57 | /*--------------------------- rt_set_PSP ------------------------------------*/ |
DieterGraef | 0:f9b6112278fe | 58 | |
DieterGraef | 0:f9b6112278fe | 59 | ; void rt_set_PSP (U32 stack); |
DieterGraef | 0:f9b6112278fe | 60 | |
DieterGraef | 0:f9b6112278fe | 61 | PUBLIC rt_set_PSP |
DieterGraef | 0:f9b6112278fe | 62 | rt_set_PSP: |
DieterGraef | 0:f9b6112278fe | 63 | |
DieterGraef | 0:f9b6112278fe | 64 | MSR PSP,R0 |
DieterGraef | 0:f9b6112278fe | 65 | BX LR |
DieterGraef | 0:f9b6112278fe | 66 | |
DieterGraef | 0:f9b6112278fe | 67 | |
DieterGraef | 0:f9b6112278fe | 68 | /*--------------------------- rt_get_PSP ------------------------------------*/ |
DieterGraef | 0:f9b6112278fe | 69 | |
DieterGraef | 0:f9b6112278fe | 70 | ; U32 rt_get_PSP (void); |
DieterGraef | 0:f9b6112278fe | 71 | |
DieterGraef | 0:f9b6112278fe | 72 | PUBLIC rt_get_PSP |
DieterGraef | 0:f9b6112278fe | 73 | rt_get_PSP: |
DieterGraef | 0:f9b6112278fe | 74 | |
DieterGraef | 0:f9b6112278fe | 75 | MRS R0,PSP |
DieterGraef | 0:f9b6112278fe | 76 | BX LR |
DieterGraef | 0:f9b6112278fe | 77 | |
DieterGraef | 0:f9b6112278fe | 78 | |
DieterGraef | 0:f9b6112278fe | 79 | /*--------------------------- os_set_env ------------------------------------*/ |
DieterGraef | 0:f9b6112278fe | 80 | |
DieterGraef | 0:f9b6112278fe | 81 | ; void os_set_env (void); |
DieterGraef | 0:f9b6112278fe | 82 | /* Switch to Unprivileged/Privileged Thread mode, use PSP. */ |
DieterGraef | 0:f9b6112278fe | 83 | |
DieterGraef | 0:f9b6112278fe | 84 | PUBLIC os_set_env |
DieterGraef | 0:f9b6112278fe | 85 | os_set_env: |
DieterGraef | 0:f9b6112278fe | 86 | |
DieterGraef | 0:f9b6112278fe | 87 | MOV R0,SP /* PSP = MSP */ |
DieterGraef | 0:f9b6112278fe | 88 | MSR PSP,R0 |
DieterGraef | 0:f9b6112278fe | 89 | LDR R0,=os_flags |
DieterGraef | 0:f9b6112278fe | 90 | LDRB R0,[R0] |
DieterGraef | 0:f9b6112278fe | 91 | LSLS R0,#31 |
DieterGraef | 0:f9b6112278fe | 92 | ITE NE |
DieterGraef | 0:f9b6112278fe | 93 | MOVNE R0,#0x02 /* Privileged Thread mode, use PSP */ |
DieterGraef | 0:f9b6112278fe | 94 | MOVEQ R0,#0x03 /* Unprivileged Thread mode, use PSP */ |
DieterGraef | 0:f9b6112278fe | 95 | MSR CONTROL,R0 |
DieterGraef | 0:f9b6112278fe | 96 | BX LR |
DieterGraef | 0:f9b6112278fe | 97 | |
DieterGraef | 0:f9b6112278fe | 98 | |
DieterGraef | 0:f9b6112278fe | 99 | /*--------------------------- _alloc_box ------------------------------------*/ |
DieterGraef | 0:f9b6112278fe | 100 | |
DieterGraef | 0:f9b6112278fe | 101 | ; void *_alloc_box (void *box_mem); |
DieterGraef | 0:f9b6112278fe | 102 | /* Function wrapper for Unprivileged/Privileged mode. */ |
DieterGraef | 0:f9b6112278fe | 103 | |
DieterGraef | 0:f9b6112278fe | 104 | PUBLIC _alloc_box |
DieterGraef | 0:f9b6112278fe | 105 | _alloc_box: |
DieterGraef | 0:f9b6112278fe | 106 | |
DieterGraef | 0:f9b6112278fe | 107 | LDR R12,=rt_alloc_box |
DieterGraef | 0:f9b6112278fe | 108 | MRS R3,IPSR |
DieterGraef | 0:f9b6112278fe | 109 | LSLS R3,#24 |
DieterGraef | 0:f9b6112278fe | 110 | IT NE |
DieterGraef | 0:f9b6112278fe | 111 | BXNE R12 |
DieterGraef | 0:f9b6112278fe | 112 | MRS R3,CONTROL |
DieterGraef | 0:f9b6112278fe | 113 | LSLS R3,#31 |
DieterGraef | 0:f9b6112278fe | 114 | IT EQ |
DieterGraef | 0:f9b6112278fe | 115 | BXEQ R12 |
DieterGraef | 0:f9b6112278fe | 116 | SVC 0 |
DieterGraef | 0:f9b6112278fe | 117 | BX LR |
DieterGraef | 0:f9b6112278fe | 118 | |
DieterGraef | 0:f9b6112278fe | 119 | |
DieterGraef | 0:f9b6112278fe | 120 | /*--------------------------- _free_box -------------------------------------*/ |
DieterGraef | 0:f9b6112278fe | 121 | |
DieterGraef | 0:f9b6112278fe | 122 | ; U32 _free_box (void *box_mem, void *box); |
DieterGraef | 0:f9b6112278fe | 123 | /* Function wrapper for Unprivileged/Privileged mode. */ |
DieterGraef | 0:f9b6112278fe | 124 | |
DieterGraef | 0:f9b6112278fe | 125 | PUBLIC _free_box |
DieterGraef | 0:f9b6112278fe | 126 | _free_box: |
DieterGraef | 0:f9b6112278fe | 127 | |
DieterGraef | 0:f9b6112278fe | 128 | LDR R12,=rt_free_box |
DieterGraef | 0:f9b6112278fe | 129 | MRS R3,IPSR |
DieterGraef | 0:f9b6112278fe | 130 | LSLS R3,#24 |
DieterGraef | 0:f9b6112278fe | 131 | IT NE |
DieterGraef | 0:f9b6112278fe | 132 | BXNE R12 |
DieterGraef | 0:f9b6112278fe | 133 | MRS R3,CONTROL |
DieterGraef | 0:f9b6112278fe | 134 | LSLS R3,#31 |
DieterGraef | 0:f9b6112278fe | 135 | IT EQ |
DieterGraef | 0:f9b6112278fe | 136 | BXEQ R12 |
DieterGraef | 0:f9b6112278fe | 137 | SVC 0 |
DieterGraef | 0:f9b6112278fe | 138 | BX LR |
DieterGraef | 0:f9b6112278fe | 139 | |
DieterGraef | 0:f9b6112278fe | 140 | |
DieterGraef | 0:f9b6112278fe | 141 | /*-------------------------- SVC_Handler ------------------------------------*/ |
DieterGraef | 0:f9b6112278fe | 142 | |
DieterGraef | 0:f9b6112278fe | 143 | ; void SVC_Handler (void); |
DieterGraef | 0:f9b6112278fe | 144 | |
DieterGraef | 0:f9b6112278fe | 145 | PUBLIC SVC_Handler |
DieterGraef | 0:f9b6112278fe | 146 | SVC_Handler: |
DieterGraef | 0:f9b6112278fe | 147 | |
DieterGraef | 0:f9b6112278fe | 148 | MRS R0,PSP /* Read PSP */ |
DieterGraef | 0:f9b6112278fe | 149 | LDR R1,[R0,#24] /* Read Saved PC from Stack */ |
DieterGraef | 0:f9b6112278fe | 150 | LDRB R1,[R1,#-2] /* Load SVC Number */ |
DieterGraef | 0:f9b6112278fe | 151 | CBNZ R1,SVC_User |
DieterGraef | 0:f9b6112278fe | 152 | |
DieterGraef | 0:f9b6112278fe | 153 | LDM R0,{R0-R3,R12} /* Read R0-R3,R12 from stack */ |
DieterGraef | 0:f9b6112278fe | 154 | BLX R12 /* Call SVC Function */ |
DieterGraef | 0:f9b6112278fe | 155 | |
DieterGraef | 0:f9b6112278fe | 156 | MRS R12,PSP /* Read PSP */ |
DieterGraef | 0:f9b6112278fe | 157 | STM R12,{R0-R2} /* Store return values */ |
DieterGraef | 0:f9b6112278fe | 158 | |
DieterGraef | 0:f9b6112278fe | 159 | LDR R3,=os_tsk |
DieterGraef | 0:f9b6112278fe | 160 | LDM R3,{R1,R2} /* os_tsk.run, os_tsk.new */ |
DieterGraef | 0:f9b6112278fe | 161 | CMP R1,R2 |
DieterGraef | 0:f9b6112278fe | 162 | BEQ SVC_Exit /* no task switch */ |
DieterGraef | 0:f9b6112278fe | 163 | |
DieterGraef | 0:f9b6112278fe | 164 | CBZ R1,SVC_Next /* Runtask deleted? */ |
DieterGraef | 0:f9b6112278fe | 165 | STMDB R12!,{R4-R11} /* Save Old context */ |
DieterGraef | 0:f9b6112278fe | 166 | STR R12,[R1,#TCB_TSTACK] /* Update os_tsk.run->tsk_stack */ |
DieterGraef | 0:f9b6112278fe | 167 | |
DieterGraef | 0:f9b6112278fe | 168 | PUSH {R2,R3} |
DieterGraef | 0:f9b6112278fe | 169 | BL rt_stk_check /* Check for Stack overflow */ |
DieterGraef | 0:f9b6112278fe | 170 | POP {R2,R3} |
DieterGraef | 0:f9b6112278fe | 171 | |
DieterGraef | 0:f9b6112278fe | 172 | SVC_Next: |
DieterGraef | 0:f9b6112278fe | 173 | STR R2,[R3] /* os_tsk.run = os_tsk.new */ |
DieterGraef | 0:f9b6112278fe | 174 | |
DieterGraef | 0:f9b6112278fe | 175 | LDR R12,[R2,#TCB_TSTACK] /* os_tsk.new->tsk_stack */ |
DieterGraef | 0:f9b6112278fe | 176 | LDMIA R12!,{R4-R11} /* Restore New Context */ |
DieterGraef | 0:f9b6112278fe | 177 | MSR PSP,R12 /* Write PSP */ |
DieterGraef | 0:f9b6112278fe | 178 | |
DieterGraef | 0:f9b6112278fe | 179 | SVC_Exit: |
DieterGraef | 0:f9b6112278fe | 180 | MVN LR,#~0xFFFFFFFD /* set EXC_RETURN value */ |
DieterGraef | 0:f9b6112278fe | 181 | BX LR |
DieterGraef | 0:f9b6112278fe | 182 | |
DieterGraef | 0:f9b6112278fe | 183 | /*------------------- User SVC ------------------------------*/ |
DieterGraef | 0:f9b6112278fe | 184 | |
DieterGraef | 0:f9b6112278fe | 185 | SVC_User: |
DieterGraef | 0:f9b6112278fe | 186 | PUSH {R4,LR} /* Save Registers */ |
DieterGraef | 0:f9b6112278fe | 187 | LDR R2,=SVC_Count |
DieterGraef | 0:f9b6112278fe | 188 | LDR R2,[R2] |
DieterGraef | 0:f9b6112278fe | 189 | CMP R1,R2 |
DieterGraef | 0:f9b6112278fe | 190 | BHI SVC_Done /* Overflow */ |
DieterGraef | 0:f9b6112278fe | 191 | |
DieterGraef | 0:f9b6112278fe | 192 | LDR R4,=SVC_Table-4 |
DieterGraef | 0:f9b6112278fe | 193 | LDR R4,[R4,R1,LSL #2] /* Load SVC Function Address */ |
DieterGraef | 0:f9b6112278fe | 194 | |
DieterGraef | 0:f9b6112278fe | 195 | LDM R0,{R0-R3,R12} /* Read R0-R3,R12 from stack */ |
DieterGraef | 0:f9b6112278fe | 196 | BLX R4 /* Call SVC Function */ |
DieterGraef | 0:f9b6112278fe | 197 | |
DieterGraef | 0:f9b6112278fe | 198 | MRS R12,PSP |
DieterGraef | 0:f9b6112278fe | 199 | STM R12,{R0-R3} /* Function return values */ |
DieterGraef | 0:f9b6112278fe | 200 | SVC_Done: |
DieterGraef | 0:f9b6112278fe | 201 | POP {R4,PC} /* RETI */ |
DieterGraef | 0:f9b6112278fe | 202 | |
DieterGraef | 0:f9b6112278fe | 203 | |
DieterGraef | 0:f9b6112278fe | 204 | /*-------------------------- PendSV_Handler ---------------------------------*/ |
DieterGraef | 0:f9b6112278fe | 205 | |
DieterGraef | 0:f9b6112278fe | 206 | ; void PendSV_Handler (void); |
DieterGraef | 0:f9b6112278fe | 207 | |
DieterGraef | 0:f9b6112278fe | 208 | PUBLIC PendSV_Handler |
DieterGraef | 0:f9b6112278fe | 209 | PendSV_Handler: |
DieterGraef | 0:f9b6112278fe | 210 | |
DieterGraef | 0:f9b6112278fe | 211 | BL rt_pop_req |
DieterGraef | 0:f9b6112278fe | 212 | |
DieterGraef | 0:f9b6112278fe | 213 | Sys_Switch: |
DieterGraef | 0:f9b6112278fe | 214 | LDR R3,=os_tsk |
DieterGraef | 0:f9b6112278fe | 215 | LDM R3,{R1,R2} /* os_tsk.run, os_tsk.new */ |
DieterGraef | 0:f9b6112278fe | 216 | CMP R1,R2 |
DieterGraef | 0:f9b6112278fe | 217 | BEQ Sys_Exit |
DieterGraef | 0:f9b6112278fe | 218 | |
DieterGraef | 0:f9b6112278fe | 219 | MRS R12,PSP /* Read PSP */ |
DieterGraef | 0:f9b6112278fe | 220 | STMDB R12!,{R4-R11} /* Save Old context */ |
DieterGraef | 0:f9b6112278fe | 221 | STR R12,[R1,#TCB_TSTACK] /* Update os_tsk.run->tsk_stack */ |
DieterGraef | 0:f9b6112278fe | 222 | |
DieterGraef | 0:f9b6112278fe | 223 | PUSH {R2,R3} |
DieterGraef | 0:f9b6112278fe | 224 | BL rt_stk_check /* Check for Stack overflow */ |
DieterGraef | 0:f9b6112278fe | 225 | POP {R2,R3} |
DieterGraef | 0:f9b6112278fe | 226 | |
DieterGraef | 0:f9b6112278fe | 227 | STR R2,[R3] /* os_tsk.run = os_tsk.new */ |
DieterGraef | 0:f9b6112278fe | 228 | |
DieterGraef | 0:f9b6112278fe | 229 | LDR R12,[R2,#TCB_TSTACK] /* os_tsk.new->tsk_stack */ |
DieterGraef | 0:f9b6112278fe | 230 | LDMIA R12!,{R4-R11} /* Restore New Context */ |
DieterGraef | 0:f9b6112278fe | 231 | MSR PSP,R12 /* Write PSP */ |
DieterGraef | 0:f9b6112278fe | 232 | |
DieterGraef | 0:f9b6112278fe | 233 | Sys_Exit: |
DieterGraef | 0:f9b6112278fe | 234 | MVN LR,#~0xFFFFFFFD /* set EXC_RETURN value */ |
DieterGraef | 0:f9b6112278fe | 235 | BX LR /* Return to Thread Mode */ |
DieterGraef | 0:f9b6112278fe | 236 | |
DieterGraef | 0:f9b6112278fe | 237 | |
DieterGraef | 0:f9b6112278fe | 238 | /*-------------------------- SysTick_Handler --------------------------------*/ |
DieterGraef | 0:f9b6112278fe | 239 | |
DieterGraef | 0:f9b6112278fe | 240 | ; void SysTick_Handler (void); |
DieterGraef | 0:f9b6112278fe | 241 | |
DieterGraef | 0:f9b6112278fe | 242 | PUBLIC SysTick_Handler |
DieterGraef | 0:f9b6112278fe | 243 | SysTick_Handler: |
DieterGraef | 0:f9b6112278fe | 244 | |
DieterGraef | 0:f9b6112278fe | 245 | BL rt_systick |
DieterGraef | 0:f9b6112278fe | 246 | B Sys_Switch |
DieterGraef | 0:f9b6112278fe | 247 | |
DieterGraef | 0:f9b6112278fe | 248 | |
DieterGraef | 0:f9b6112278fe | 249 | /*-------------------------- OS_Tick_Handler --------------------------------*/ |
DieterGraef | 0:f9b6112278fe | 250 | |
DieterGraef | 0:f9b6112278fe | 251 | ; void OS_Tick_Handler (void); |
DieterGraef | 0:f9b6112278fe | 252 | |
DieterGraef | 0:f9b6112278fe | 253 | PUBLIC OS_Tick_Handler |
DieterGraef | 0:f9b6112278fe | 254 | OS_Tick_Handler: |
DieterGraef | 0:f9b6112278fe | 255 | |
DieterGraef | 0:f9b6112278fe | 256 | BL os_tick_irqack |
DieterGraef | 0:f9b6112278fe | 257 | BL rt_systick |
DieterGraef | 0:f9b6112278fe | 258 | B Sys_Switch |
DieterGraef | 0:f9b6112278fe | 259 | |
DieterGraef | 0:f9b6112278fe | 260 | |
DieterGraef | 0:f9b6112278fe | 261 | END |
DieterGraef | 0:f9b6112278fe | 262 | |
DieterGraef | 0:f9b6112278fe | 263 | /*---------------------------------------------------------------------------- |
DieterGraef | 0:f9b6112278fe | 264 | * end of file |
DieterGraef | 0:f9b6112278fe | 265 | *---------------------------------------------------------------------------*/ |