mbed library sources
Dependents: frdm_kl05z_gpio_test
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Diff: targets/cmsis/TARGET_STM/TARGET_STM32F3XX/TOOLCHAIN_GCC_ARM/startup_STM32F30x.s
- Revision:
- 155:8435094ec241
diff -r be4113396fa5 -r 8435094ec241 targets/cmsis/TARGET_STM/TARGET_STM32F3XX/TOOLCHAIN_GCC_ARM/startup_STM32F30x.s --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/targets/cmsis/TARGET_STM/TARGET_STM32F3XX/TOOLCHAIN_GCC_ARM/startup_STM32F30x.s Tue Apr 08 09:15:06 2014 +0100 @@ -0,0 +1,465 @@ +/** + ****************************************************************************** + * @file startup_stm32f30x.s + * @author MCD Application Team + * @version V1.0.0 + * @date 04-Spetember-2012 + * @brief STM32F4xx Devices vector table for RIDE7 toolchain. + * This module performs: + * - Set the initial SP + * - Set the initial PC == Reset_Handler, + * - Set the vector table entries with the exceptions ISR address + * - Configure the clock system and the external SRAM mounted on + * STM3230C-EVAL board to be used as data memory (optional, + * to be enabled by user) + * - Branches to main in the C library (which eventually + * calls main()). + * After Reset the Cortex-M4 processor is in Thread mode, + * priority is Privileged, and the Stack is set to Main. + ****************************************************************************** + * @attention + * + * <h2><center>© COPYRIGHT 2012 STMicroelectronics</center></h2> + * + * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License"); + * You may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.st.com/software_license_agreement_liberty_v2 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + ****************************************************************************** + */ + + .syntax unified + .cpu cortex-m4 + .fpu softvfp + .thumb + +.global g_pfnVectors +.global Default_Handler + +/* start address for the initialization values of the .data section. +defined in linker script */ +.word _sidata +/* start address for the .data section. defined in linker script */ +.word _sdata +/* end address for the .data section. defined in linker script */ +.word _edata +/* start address for the .bss section. defined in linker script */ +.word _sbss +/* end address for the .bss section. defined in linker script */ +.word _ebss +/* stack used for SystemInit_ExtMemCtl; always internal RAM used */ + +/** + * @brief This is the code that gets called when the processor first + * starts execution following a reset event. Only the absolutely + * necessary set is performed, after which the application + * supplied main() routine is called. + * @param None + * @retval : None +*/ + + .section .text.Reset_Handler + .weak Reset_Handler + .type Reset_Handler, %function +Reset_Handler: + +/* Copy the data segment initializers from flash to SRAM */ + movs r1, #0 + b LoopCopyDataInit + +CopyDataInit: + ldr r3, =_sidata + ldr r3, [r3, r1] + str r3, [r0, r1] + adds r1, r1, #4 + +LoopCopyDataInit: + ldr r0, =_sdata + ldr r3, =_edata + adds r2, r0, r1 + cmp r2, r3 + bcc CopyDataInit + ldr r2, =_sbss + b LoopFillZerobss +/* Zero fill the bss segment. */ +FillZerobss: + movs r3, #0 + str r3, [r2], #4 + +LoopFillZerobss: + ldr r3, = _ebss + cmp r2, r3 + bcc FillZerobss + +/* Call the clock system intitialization function.*/ + bl SystemInit +/* Call the application's entry point.*/ + bl _start + bx lr +.size Reset_Handler, .-Reset_Handler + +/** + * @brief This is the code that gets called when the processor receives an + * unexpected interrupt. This simply enters an infinite loop, preserving + * the system state for examination by a debugger. + * @param None + * @retval None +*/ + .section .text.Default_Handler,"ax",%progbits +Default_Handler: +Infinite_Loop: + b Infinite_Loop + .size Default_Handler, .-Default_Handler +/****************************************************************************** +* +* The minimal vector table for a Cortex M3. Note that the proper constructs +* must be placed on this to ensure that it ends up at physical address +* 0x0000.0000. +* +*******************************************************************************/ + .section .isr_vector,"a",%progbits + .type g_pfnVectors, %object + .size g_pfnVectors, .-g_pfnVectors + + +g_pfnVectors: + .word _estack + .word Reset_Handler + .word NMI_Handler + .word HardFault_Handler + .word MemManage_Handler + .word BusFault_Handler + .word UsageFault_Handler + .word 0 + .word 0 + .word 0 + .word 0 + .word SVC_Handler + .word DebugMon_Handler + .word 0 + .word PendSV_Handler + .word SysTick_Handler + .word WWDG_IRQHandler + .word PVD_IRQHandler + .word TAMPER_STAMP_IRQHandler + .word RTC_WKUP_IRQHandler + .word FLASH_IRQHandler + .word RCC_IRQHandler + .word EXTI0_IRQHandler + .word EXTI1_IRQHandler + .word EXTI2_TS_IRQHandler + .word EXTI3_IRQHandler + .word EXTI4_IRQHandler + .word DMA1_Channel1_IRQHandler + .word DMA1_Channel2_IRQHandler + .word DMA1_Channel3_IRQHandler + .word DMA1_Channel4_IRQHandler + .word DMA1_Channel5_IRQHandler + .word DMA1_Channel6_IRQHandler + .word DMA1_Channel7_IRQHandler + .word ADC1_2_IRQHandler + .word USB_HP_CAN1_TX_IRQHandler + .word USB_LP_CAN1_RX0_IRQHandler + .word CAN1_RX1_IRQHandler + .word CAN1_SCE_IRQHandler + .word EXTI9_5_IRQHandler + .word TIM1_BRK_TIM15_IRQHandler + .word TIM1_UP_TIM16_IRQHandler + .word TIM1_TRG_COM_TIM17_IRQHandler + .word TIM1_CC_IRQHandler + .word TIM2_IRQHandler + .word TIM3_IRQHandler + .word TIM4_IRQHandler + .word I2C1_EV_IRQHandler + .word I2C1_ER_IRQHandler + .word I2C2_EV_IRQHandler + .word I2C2_ER_IRQHandler + .word SPI1_IRQHandler + .word SPI2_IRQHandler + .word USART1_IRQHandler + .word USART2_IRQHandler + .word USART3_IRQHandler + .word EXTI15_10_IRQHandler + .word RTC_Alarm_IRQHandler + .word USBWakeUp_IRQHandler + .word TIM8_BRK_IRQHandler + .word TIM8_UP_IRQHandler + .word TIM8_TRG_COM_IRQHandler + .word TIM8_CC_IRQHandler + .word ADC3_IRQHandler + .word 0 + .word 0 + .word 0 + .word SPI3_IRQHandler + .word UART4_IRQHandler + .word UART5_IRQHandler + .word TIM6_DAC_IRQHandler + .word TIM7_IRQHandler + .word DMA2_Channel1_IRQHandler + .word DMA2_Channel2_IRQHandler + .word DMA2_Channel3_IRQHandler + .word DMA2_Channel4_IRQHandler + .word DMA2_Channel5_IRQHandler + .word ADC4_IRQHandler + .word 0 + .word 0 + .word COMP1_2_3_IRQHandler + .word COMP4_5_6_IRQHandler + .word COMP7_IRQHandler + .word 0 + .word 0 + .word 0 + .word 0 + .word 0 + .word 0 + .word 0 + .word USB_HP_IRQHandler + .word USB_LP_IRQHandler + .word USBWakeUp_RMP_IRQHandler + .word 0 + .word 0 + .word 0 + .word 0 + .word FPU_IRQHandler + +/******************************************************************************* +* +* Provide weak aliases for each Exception handler to the Default_Handler. +* As they are weak aliases, any function with the same name will override +* this definition. +* +*******************************************************************************/ + + .weak NMI_Handler + .thumb_set NMI_Handler,Default_Handler + + .weak HardFault_Handler + .thumb_set HardFault_Handler,Default_Handler + + .weak MemManage_Handler + .thumb_set MemManage_Handler,Default_Handler + + .weak BusFault_Handler + .thumb_set BusFault_Handler,Default_Handler + + .weak UsageFault_Handler + .thumb_set UsageFault_Handler,Default_Handler + + .weak SVC_Handler + .thumb_set SVC_Handler,Default_Handler + + .weak DebugMon_Handler + .thumb_set DebugMon_Handler,Default_Handler + + .weak PendSV_Handler + .thumb_set PendSV_Handler,Default_Handler + + .weak SysTick_Handler + .thumb_set SysTick_Handler,Default_Handler + + .weak WWDG_IRQHandler + .thumb_set WWDG_IRQHandler,Default_Handler + + .weak PVD_IRQHandler + .thumb_set PVD_IRQHandler,Default_Handler + + .weak TAMPER_STAMP_IRQHandler + .thumb_set TAMPER_STAMP_IRQHandler,Default_Handler + + .weak RTC_WKUP_IRQHandler + .thumb_set RTC_WKUP_IRQHandler,Default_Handler + + .weak FLASH_IRQHandler + .thumb_set FLASH_IRQHandler,Default_Handler + + .weak RCC_IRQHandler + .thumb_set RCC_IRQHandler,Default_Handler + + .weak EXTI0_IRQHandler + .thumb_set EXTI0_IRQHandler,Default_Handler + + .weak EXTI1_IRQHandler + .thumb_set EXTI1_IRQHandler,Default_Handler + + .weak EXTI2_TS_IRQHandler + .thumb_set EXTI2_TS_IRQHandler,Default_Handler + + .weak EXTI3_IRQHandler + .thumb_set EXTI3_IRQHandler,Default_Handler + + .weak EXTI4_IRQHandler + .thumb_set EXTI4_IRQHandler,Default_Handler + + .weak DMA1_Channel1_IRQHandler + .thumb_set DMA1_Channel1_IRQHandler,Default_Handler + + .weak DMA1_Channel2_IRQHandler + .thumb_set DMA1_Channel2_IRQHandler,Default_Handler + + .weak DMA1_Channel3_IRQHandler + .thumb_set DMA1_Channel3_IRQHandler,Default_Handler + + .weak DMA1_Channel4_IRQHandler + .thumb_set DMA1_Channel4_IRQHandler,Default_Handler + + .weak DMA1_Channel5_IRQHandler + .thumb_set DMA1_Channel5_IRQHandler,Default_Handler + + .weak DMA1_Channel6_IRQHandler + .thumb_set DMA1_Channel6_IRQHandler,Default_Handler + + .weak DMA1_Channel7_IRQHandler + .thumb_set DMA1_Channel7_IRQHandler,Default_Handler + + .weak ADC1_2_IRQHandler + .thumb_set ADC1_2_IRQHandler,Default_Handler + + .weak USB_HP_CAN1_TX_IRQHandler + .thumb_set USB_HP_CAN1_TX_IRQHandler,Default_Handler + + .weak USB_LP_CAN1_RX0_IRQHandler + .thumb_set USB_LP_CAN1_RX0_IRQHandler,Default_Handler + + .weak CAN1_RX1_IRQHandler + .thumb_set CAN1_RX1_IRQHandler,Default_Handler + + .weak CAN1_SCE_IRQHandler + .thumb_set CAN1_SCE_IRQHandler,Default_Handler + + .weak EXTI9_5_IRQHandler + .thumb_set EXTI9_5_IRQHandler,Default_Handler + + .weak TIM1_BRK_TIM15_IRQHandler + .thumb_set TIM1_BRK_TIM15_IRQHandler,Default_Handler + + .weak TIM1_UP_TIM16_IRQHandler + .thumb_set TIM1_UP_TIM16_IRQHandler,Default_Handler + + .weak TIM1_TRG_COM_TIM17_IRQHandler + .thumb_set TIM1_TRG_COM_TIM17_IRQHandler,Default_Handler + + .weak TIM1_CC_IRQHandler + .thumb_set TIM1_CC_IRQHandler,Default_Handler + + .weak TIM2_IRQHandler + .thumb_set TIM2_IRQHandler,Default_Handler + + .weak TIM3_IRQHandler + .thumb_set TIM3_IRQHandler,Default_Handler + + .weak TIM4_IRQHandler + .thumb_set TIM4_IRQHandler,Default_Handler + + .weak I2C1_EV_IRQHandler + .thumb_set I2C1_EV_IRQHandler,Default_Handler + + .weak I2C1_ER_IRQHandler + .thumb_set I2C1_ER_IRQHandler,Default_Handler + + .weak I2C2_EV_IRQHandler + .thumb_set I2C2_EV_IRQHandler,Default_Handler + + .weak I2C2_ER_IRQHandler + .thumb_set I2C2_ER_IRQHandler,Default_Handler + + .weak SPI1_IRQHandler + .thumb_set SPI1_IRQHandler,Default_Handler + + .weak SPI2_IRQHandler + .thumb_set SPI2_IRQHandler,Default_Handler + + .weak USART1_IRQHandler + .thumb_set USART1_IRQHandler,Default_Handler + + .weak USART2_IRQHandler + .thumb_set USART2_IRQHandler,Default_Handler + + .weak USART3_IRQHandler + .thumb_set USART3_IRQHandler,Default_Handler + + .weak EXTI15_10_IRQHandler + .thumb_set EXTI15_10_IRQHandler,Default_Handler + + .weak RTC_Alarm_IRQHandler + .thumb_set RTC_Alarm_IRQHandler,Default_Handler + + .weak USBWakeUp_IRQHandler + .thumb_set USBWakeUp_IRQHandler,Default_Handler + + .weak TIM8_BRK_IRQHandler + .thumb_set TIM8_BRK_IRQHandler,Default_Handler + + .weak TIM8_UP_IRQHandler + .thumb_set TIM8_UP_IRQHandler,Default_Handler + + .weak TIM8_TRG_COM_IRQHandler + .thumb_set TIM8_TRG_COM_IRQHandler,Default_Handler + + .weak TIM8_CC_IRQHandler + .thumb_set TIM8_CC_IRQHandler,Default_Handler + + .weak ADC3_IRQHandler + .thumb_set ADC3_IRQHandler,Default_Handler + + .weak SPI3_IRQHandler + .thumb_set SPI3_IRQHandler,Default_Handler + + .weak UART4_IRQHandler + .thumb_set UART4_IRQHandler,Default_Handler + + .weak UART5_IRQHandler + .thumb_set UART5_IRQHandler,Default_Handler + + .weak TIM6_DAC_IRQHandler + .thumb_set TIM6_DAC_IRQHandler,Default_Handler + + .weak TIM7_IRQHandler + .thumb_set TIM7_IRQHandler,Default_Handler + + .weak DMA2_Channel1_IRQHandler + .thumb_set DMA2_Channel1_IRQHandler,Default_Handler + + .weak DMA2_Channel2_IRQHandler + .thumb_set DMA2_Channel2_IRQHandler,Default_Handler + + .weak DMA2_Channel3_IRQHandler + .thumb_set DMA2_Channel3_IRQHandler,Default_Handler + + .weak DMA2_Channel4_IRQHandler + .thumb_set DMA2_Channel4_IRQHandler,Default_Handler + + .weak DMA2_Channel5_IRQHandler + .thumb_set DMA2_Channel5_IRQHandler,Default_Handler + + .weak ADC4_IRQHandler + .thumb_set ADC4_IRQHandler,Default_Handler + + .weak COMP1_2_3_IRQHandler + .thumb_set COMP1_2_3_IRQHandler,Default_Handler + + .weak COMP4_5_6_IRQHandler + .thumb_set COMP4_5_6_IRQHandler,Default_Handler + + .weak COMP7_IRQHandler + .thumb_set COMP7_IRQHandler,Default_Handler + + .weak USB_HP_IRQHandler + .thumb_set USB_HP_IRQHandler,Default_Handler + + .weak USB_LP_IRQHandler + .thumb_set USB_LP_IRQHandler,Default_Handler + + .weak USBWakeUp_RMP_IRQHandler + .thumb_set USBWakeUp_RMP_IRQHandler,Default_Handler + + .weak FPU_IRQHandler + .thumb_set FPU_IRQHandler,Default_Handler +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/