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2 | mjames | 1 | ;******************************************************************************* |
2 | ;* File Name : startup_stm32f072xb.s |
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3 | ;* Author : MCD Application Team |
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4 | ;* Description : STM32F072x8/STM32F072xB devices vector table for MDK-ARM toolchain. |
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5 | ;* This module performs: |
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6 | ;* - Set the initial SP |
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7 | ;* - Set the initial PC == Reset_Handler |
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8 | ;* - Set the vector table entries with the exceptions ISR address |
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9 | ;* - Branches to __main in the C library (which eventually |
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10 | ;* calls main()). |
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11 | ;* After Reset the CortexM0 processor is in Thread mode, |
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12 | ;* priority is Privileged, and the Stack is set to Main. |
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13 | ;******************************************************************************** |
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14 | ;* @attention |
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15 | ;* |
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16 | ;* Copyright (c) 2016 STMicroelectronics. |
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17 | ;* All rights reserved. |
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18 | ;* |
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19 | ;* This software component is licensed by ST under BSD 3-Clause license, |
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20 | ;* the "License"; You may not use this file except in compliance with the |
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21 | ;* License. You may obtain a copy of the License at: |
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22 | ;* opensource.org/licenses/BSD-3-Clause |
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23 | ;* |
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24 | ;******************************************************************************* |
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25 | ;* <<< Use Configuration Wizard in Context Menu >>> |
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26 | ; |
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27 | |||
28 | ; Amount of memory (in bytes) allocated for Stack |
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29 | ; Tailor this value to your application needs |
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30 | ; <h> Stack Configuration |
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31 | ; <o> Stack Size (in Bytes) <0x0-0xFFFFFFFF:8> |
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32 | ; </h> |
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33 | |||
34 | Stack_Size EQU 0x00000400 |
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35 | |||
36 | AREA STACK, NOINIT, READWRITE, ALIGN=3 |
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37 | Stack_Mem SPACE Stack_Size |
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38 | __initial_sp |
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39 | |||
40 | |||
41 | ; <h> Heap Configuration |
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42 | ; <o> Heap Size (in Bytes) <0x0-0xFFFFFFFF:8> |
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43 | ; </h> |
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44 | |||
45 | Heap_Size EQU 0x00000200 |
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46 | |||
47 | AREA HEAP, NOINIT, READWRITE, ALIGN=3 |
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48 | __heap_base |
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49 | Heap_Mem SPACE Heap_Size |
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50 | __heap_limit |
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51 | |||
52 | PRESERVE8 |
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53 | THUMB |
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54 | |||
55 | |||
56 | ; Vector Table Mapped to Address 0 at Reset |
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57 | AREA RESET, DATA, READONLY |
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58 | EXPORT __Vectors |
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59 | EXPORT __Vectors_End |
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60 | EXPORT __Vectors_Size |
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61 | |||
62 | __Vectors DCD __initial_sp ; Top of Stack |
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63 | DCD Reset_Handler ; Reset Handler |
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64 | DCD NMI_Handler ; NMI Handler |
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65 | DCD HardFault_Handler ; Hard Fault Handler |
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66 | DCD 0 ; Reserved |
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67 | DCD 0 ; Reserved |
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68 | DCD 0 ; Reserved |
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69 | DCD 0 ; Reserved |
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70 | DCD 0 ; Reserved |
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71 | DCD 0 ; Reserved |
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72 | DCD 0 ; Reserved |
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73 | DCD SVC_Handler ; SVCall Handler |
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74 | DCD 0 ; Reserved |
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75 | DCD 0 ; Reserved |
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76 | DCD PendSV_Handler ; PendSV Handler |
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77 | DCD SysTick_Handler ; SysTick Handler |
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78 | |||
79 | ; External Interrupts |
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80 | DCD WWDG_IRQHandler ; Window Watchdog |
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81 | DCD PVD_VDDIO2_IRQHandler ; PVD through EXTI Line detect |
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82 | DCD RTC_IRQHandler ; RTC through EXTI Line |
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83 | DCD FLASH_IRQHandler ; FLASH |
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84 | DCD RCC_CRS_IRQHandler ; RCC and CRS |
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85 | DCD EXTI0_1_IRQHandler ; EXTI Line 0 and 1 |
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86 | DCD EXTI2_3_IRQHandler ; EXTI Line 2 and 3 |
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87 | DCD EXTI4_15_IRQHandler ; EXTI Line 4 to 15 |
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88 | DCD TSC_IRQHandler ; TS |
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89 | DCD DMA1_Channel1_IRQHandler ; DMA1 Channel 1 |
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90 | DCD DMA1_Channel2_3_IRQHandler ; DMA1 Channel 2 and Channel 3 |
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91 | DCD DMA1_Channel4_5_6_7_IRQHandler ; DMA1 Channel 4, Channel 5, Channel 6 and Channel 7 |
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92 | DCD ADC1_COMP_IRQHandler ; ADC1, COMP1 and COMP2 |
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93 | DCD TIM1_BRK_UP_TRG_COM_IRQHandler ; TIM1 Break, Update, Trigger and Commutation |
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94 | DCD TIM1_CC_IRQHandler ; TIM1 Capture Compare |
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95 | DCD TIM2_IRQHandler ; TIM2 |
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96 | DCD TIM3_IRQHandler ; TIM3 |
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97 | DCD TIM6_DAC_IRQHandler ; TIM6 and DAC |
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98 | DCD TIM7_IRQHandler ; TIM7 |
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99 | DCD TIM14_IRQHandler ; TIM14 |
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100 | DCD TIM15_IRQHandler ; TIM15 |
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101 | DCD TIM16_IRQHandler ; TIM16 |
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102 | DCD TIM17_IRQHandler ; TIM17 |
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103 | DCD I2C1_IRQHandler ; I2C1 |
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104 | DCD I2C2_IRQHandler ; I2C2 |
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105 | DCD SPI1_IRQHandler ; SPI1 |
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106 | DCD SPI2_IRQHandler ; SPI2 |
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107 | DCD USART1_IRQHandler ; USART1 |
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108 | DCD USART2_IRQHandler ; USART2 |
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109 | DCD USART3_4_IRQHandler ; USART3 & USART4 |
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110 | DCD CEC_CAN_IRQHandler ; CEC and CAN |
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111 | DCD USB_IRQHandler ; USB |
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112 | |||
113 | __Vectors_End |
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114 | |||
115 | __Vectors_Size EQU __Vectors_End - __Vectors |
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116 | |||
117 | AREA |.text|, CODE, READONLY |
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118 | |||
119 | ; Reset handler routine |
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120 | Reset_Handler PROC |
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121 | EXPORT Reset_Handler [WEAK] |
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122 | IMPORT __main |
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123 | IMPORT SystemInit |
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124 | LDR R0, =SystemInit |
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125 | BLX R0 |
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126 | LDR R0, =__main |
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127 | BX R0 |
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128 | ENDP |
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129 | |||
130 | ; Dummy Exception Handlers (infinite loops which can be modified) |
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131 | |||
132 | NMI_Handler PROC |
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133 | EXPORT NMI_Handler [WEAK] |
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134 | B . |
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135 | ENDP |
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136 | HardFault_Handler\ |
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137 | PROC |
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138 | EXPORT HardFault_Handler [WEAK] |
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139 | B . |
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140 | ENDP |
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141 | SVC_Handler PROC |
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142 | EXPORT SVC_Handler [WEAK] |
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143 | B . |
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144 | ENDP |
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145 | PendSV_Handler PROC |
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146 | EXPORT PendSV_Handler [WEAK] |
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147 | B . |
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148 | ENDP |
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149 | SysTick_Handler PROC |
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150 | EXPORT SysTick_Handler [WEAK] |
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151 | B . |
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152 | ENDP |
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153 | |||
154 | Default_Handler PROC |
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155 | |||
156 | EXPORT WWDG_IRQHandler [WEAK] |
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157 | EXPORT PVD_VDDIO2_IRQHandler [WEAK] |
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158 | EXPORT RTC_IRQHandler [WEAK] |
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159 | EXPORT FLASH_IRQHandler [WEAK] |
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160 | EXPORT RCC_CRS_IRQHandler [WEAK] |
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161 | EXPORT EXTI0_1_IRQHandler [WEAK] |
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162 | EXPORT EXTI2_3_IRQHandler [WEAK] |
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163 | EXPORT EXTI4_15_IRQHandler [WEAK] |
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164 | EXPORT TSC_IRQHandler [WEAK] |
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165 | EXPORT DMA1_Channel1_IRQHandler [WEAK] |
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166 | EXPORT DMA1_Channel2_3_IRQHandler [WEAK] |
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167 | EXPORT DMA1_Channel4_5_6_7_IRQHandler [WEAK] |
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168 | EXPORT ADC1_COMP_IRQHandler [WEAK] |
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169 | EXPORT TIM1_BRK_UP_TRG_COM_IRQHandler [WEAK] |
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170 | EXPORT TIM1_CC_IRQHandler [WEAK] |
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171 | EXPORT TIM2_IRQHandler [WEAK] |
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172 | EXPORT TIM3_IRQHandler [WEAK] |
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173 | EXPORT TIM6_DAC_IRQHandler [WEAK] |
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174 | EXPORT TIM7_IRQHandler [WEAK] |
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175 | EXPORT TIM14_IRQHandler [WEAK] |
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176 | EXPORT TIM15_IRQHandler [WEAK] |
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177 | EXPORT TIM16_IRQHandler [WEAK] |
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178 | EXPORT TIM17_IRQHandler [WEAK] |
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179 | EXPORT I2C1_IRQHandler [WEAK] |
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180 | EXPORT I2C2_IRQHandler [WEAK] |
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181 | EXPORT SPI1_IRQHandler [WEAK] |
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182 | EXPORT SPI2_IRQHandler [WEAK] |
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183 | EXPORT USART1_IRQHandler [WEAK] |
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184 | EXPORT USART2_IRQHandler [WEAK] |
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185 | EXPORT USART3_4_IRQHandler [WEAK] |
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186 | EXPORT CEC_CAN_IRQHandler [WEAK] |
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187 | EXPORT USB_IRQHandler [WEAK] |
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188 | |||
189 | |||
190 | WWDG_IRQHandler |
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191 | PVD_VDDIO2_IRQHandler |
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192 | RTC_IRQHandler |
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193 | FLASH_IRQHandler |
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194 | RCC_CRS_IRQHandler |
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195 | EXTI0_1_IRQHandler |
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196 | EXTI2_3_IRQHandler |
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197 | EXTI4_15_IRQHandler |
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198 | TSC_IRQHandler |
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199 | DMA1_Channel1_IRQHandler |
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200 | DMA1_Channel2_3_IRQHandler |
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201 | DMA1_Channel4_5_6_7_IRQHandler |
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202 | ADC1_COMP_IRQHandler |
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203 | TIM1_BRK_UP_TRG_COM_IRQHandler |
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204 | TIM1_CC_IRQHandler |
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205 | TIM2_IRQHandler |
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206 | TIM3_IRQHandler |
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207 | TIM6_DAC_IRQHandler |
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208 | TIM7_IRQHandler |
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209 | TIM14_IRQHandler |
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210 | TIM15_IRQHandler |
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211 | TIM16_IRQHandler |
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212 | TIM17_IRQHandler |
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213 | I2C1_IRQHandler |
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214 | I2C2_IRQHandler |
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215 | SPI1_IRQHandler |
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216 | SPI2_IRQHandler |
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217 | USART1_IRQHandler |
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218 | USART2_IRQHandler |
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219 | USART3_4_IRQHandler |
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220 | CEC_CAN_IRQHandler |
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221 | USB_IRQHandler |
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222 | |||
223 | B . |
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224 | |||
225 | ENDP |
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226 | |||
227 | ALIGN |
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228 | |||
229 | ;******************************************************************************* |
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230 | ; User Stack and Heap initialization |
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231 | ;******************************************************************************* |
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232 | IF :DEF:__MICROLIB |
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233 | |||
234 | EXPORT __initial_sp |
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235 | EXPORT __heap_base |
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236 | EXPORT __heap_limit |
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237 | |||
238 | ELSE |
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239 | |||
240 | IMPORT __use_two_region_memory |
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241 | EXPORT __user_initial_stackheap |
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242 | |||
243 | __user_initial_stackheap |
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244 | |||
245 | LDR R0, = Heap_Mem |
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246 | LDR R1, =(Stack_Mem + Stack_Size) |
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247 | LDR R2, = (Heap_Mem + Heap_Size) |
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248 | LDR R3, = Stack_Mem |
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249 | BX LR |
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250 | |||
251 | ALIGN |
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252 | |||
253 | ENDIF |
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254 | |||
255 | END |
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256 | |||
257 | ;************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE***** |