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/* File: startup_STM32F40x.S
* Purpose: startup file for Cortex-M4 devices. Should use with
* GCC for ARM Embedded Processors
* Version: V1.4
* Date: 09 July 2012
*
* Copyright (c) 2011, 2012, ARM Limited
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
* Neither the name of the ARM Limited nor the
names of its contributors may be used to endorse or promote products
derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL ARM LIMITED BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
.syntax unified
.arch armv7-m
.section .stack
.align 3
#ifdef __STACK_SIZE
.equ Stack_Size, __STACK_SIZE
#else
.equ Stack_Size, 0xc00
#endif
.globl __StackTop
.globl __StackLimit
__StackLimit:
.space Stack_Size
.size __StackLimit, . - __StackLimit
__StackTop:
.size __StackTop, . - __StackTop
.section .heap
.align 3
#ifdef __HEAP_SIZE
.equ Heap_Size, __HEAP_SIZE
#else
.equ Heap_Size, 0
#endif
.globl __HeapBase
.globl __HeapLimit
__HeapBase:
.if Heap_Size
.space Heap_Size
.endif
.size __HeapBase, . - __HeapBase
__HeapLimit:
.size __HeapLimit, . - __HeapLimit
.section .isr_vector
.align 2
.globl __isr_vector
__isr_vector:
.long __StackTop /* Top of Stack */
.long Reset_Handler /* Reset Handler */
.long NMI_Handler /* NMI Handler */
.long HardFault_Handler /* Hard Fault Handler */
.long MemManage_Handler /* MPU Fault Handler */
.long BusFault_Handler /* Bus Fault Handler */
.long UsageFault_Handler /* Usage Fault Handler */
.long 0 /* Reserved */
.long 0 /* Reserved */
.long 0 /* Reserved */
.long 0 /* Reserved */
.long SVC_Handler /* SVCall Handler */
.long DebugMon_Handler /* Debug Monitor Handler */
.long 0 /* Reserved */
.long PendSV_Handler /* PendSV Handler */
.long SysTick_Handler /* SysTick Handler */
/* External interrupts */
.long WWDG_IRQHandler /* Window WatchDog */
.long PVD_IRQHandler /* PVD through EXTI Line detection */
.long TAMP_STAMP_IRQHandler /* Tamper and TimeStamps through the EXTI line */
.long RTC_WKUP_IRQHandler /* RTC Wakeup through the EXTI line */
.long FLASH_IRQHandler /* FLASH */
.long RCC_IRQHandler /* RCC */
.long EXTI0_IRQHandler /* EXTI Line0 */
.long EXTI1_IRQHandler /* EXTI Line1 */
.long EXTI2_IRQHandler /* EXTI Line2 */
.long EXTI3_IRQHandler /* EXTI Line3 */
.long EXTI4_IRQHandler /* EXTI Line4 */
.long DMA1_Stream0_IRQHandler /* DMA1 Stream 0 */
.long DMA1_Stream1_IRQHandler /* DMA1 Stream 1 */
.long DMA1_Stream2_IRQHandler /* DMA1 Stream 2 */
.long DMA1_Stream3_IRQHandler /* DMA1 Stream 3 */
.long DMA1_Stream4_IRQHandler /* DMA1 Stream 4 */
.long DMA1_Stream5_IRQHandler /* DMA1 Stream 5 */
.long DMA1_Stream6_IRQHandler /* DMA1 Stream 6 */
.long ADC_IRQHandler /* ADC1, ADC2 and ADC3s */
.long CAN1_TX_IRQHandler /* CAN1 TX */
.long CAN1_RX0_IRQHandler /* CAN1 RX0 */
.long CAN1_RX1_IRQHandler /* CAN1 RX1 */
.long CAN1_SCE_IRQHandler /* CAN1 SCE */
.long EXTI9_5_IRQHandler /* External Line[9:5]s */
.long TIM1_BRK_TIM9_IRQHandler /* TIM1 Break and TIM9 */
.long TIM1_UP_TIM10_IRQHandler /* TIM1 Update and TIM10 */
.long TIM1_TRG_COM_TIM11_IRQHandler /* TIM1 Trigger and Commutation and TIM11 */
.long TIM1_CC_IRQHandler /* TIM1 Capture Compare */
.long TIM2_IRQHandler /* TIM2 */
.long TIM3_IRQHandler /* TIM3 */
.long TIM4_IRQHandler /* TIM4 */
.long I2C1_EV_IRQHandler /* I2C1 Event */
.long I2C1_ER_IRQHandler /* I2C1 Error */
.long I2C2_EV_IRQHandler /* I2C2 Event */
.long I2C2_ER_IRQHandler /* I2C2 Error */
.long SPI1_IRQHandler /* SPI1 */
.long SPI2_IRQHandler /* SPI2 */
.long USART1_IRQHandler /* USART1 */
.long USART2_IRQHandler /* USART2 */
.long USART3_IRQHandler /* USART3 */
.long EXTI15_10_IRQHandler /* External Line[15:10]s */
.long RTC_Alarm_IRQHandler /* RTC Alarm (A and B) through EXTI Line */
.long OTG_FS_WKUP_IRQHandler /* USB OTG FS Wakeup through EXTI line */
.long TIM8_BRK_TIM12_IRQHandler /* TIM8 Break and TIM12 */
.long TIM8_UP_TIM13_IRQHandler /* TIM8 Update and TIM13 */
.long TIM8_TRG_COM_TIM14_IRQHandler /* TIM8 Trigger and Commutation and TIM14 */
.long TIM8_CC_IRQHandler /* TIM8 Capture Compare */
.long DMA1_Stream7_IRQHandler /* DMA1 Stream7 */
.long FSMC_IRQHandler /* FSMC */
.long SDIO_IRQHandler /* SDIO */
.long TIM5_IRQHandler /* TIM5 */
.long SPI3_IRQHandler /* SPI3 */
.long UART4_IRQHandler /* UART4 */
.long UART5_IRQHandler /* UART5 */
.long TIM6_DAC_IRQHandler /* TIM6 and DAC1&2 underrun errors */
.long TIM7_IRQHandler /* TIM7 */
.long DMA2_Stream0_IRQHandler /* DMA2 Stream 0 */
.long DMA2_Stream1_IRQHandler /* DMA2 Stream 1 */
.long DMA2_Stream2_IRQHandler /* DMA2 Stream 2 */
.long DMA2_Stream3_IRQHandler /* DMA2 Stream 3 */
.long DMA2_Stream4_IRQHandler /* DMA2 Stream 4 */
.long ETH_IRQHandler /* Ethernet */
.long ETH_WKUP_IRQHandler /* Ethernet Wakeup through EXTI line */
.long CAN2_TX_IRQHandler /* CAN2 TX */
.long CAN2_RX0_IRQHandler /* CAN2 RX0 */
.long CAN2_RX1_IRQHandler /* CAN2 RX1 */
.long CAN2_SCE_IRQHandler /* CAN2 SCE */
.long OTG_FS_IRQHandler /* USB OTG FS */
.long DMA2_Stream5_IRQHandler /* DMA2 Stream 5 */
.long DMA2_Stream6_IRQHandler /* DMA2 Stream 6 */
.long DMA2_Stream7_IRQHandler /* DMA2 Stream 7 */
.long USART6_IRQHandler /* USART6 */
.long I2C3_EV_IRQHandler /* I2C3 event */
.long I2C3_ER_IRQHandler /* I2C3 error */
.long OTG_HS_EP1_OUT_IRQHandler /* USB OTG HS End Point 1 Out */
.long OTG_HS_EP1_IN_IRQHandler /* USB OTG HS End Point 1 In */
.long OTG_HS_WKUP_IRQHandler /* USB OTG HS Wakeup through EXTI */
.long OTG_HS_IRQHandler /* USB OTG HS */
.long DCMI_IRQHandler /* DCMI */
.long CRYP_IRQHandler /* CRYP crypto */
.long HASH_RNG_IRQHandler /* Hash and Rng */
.long FPU_IRQHandler /* FPU */
.size __isr_vector, . - __isr_vector
.text
.thumb
.thumb_func
.align 2
.globl Reset_Handler
.type Reset_Handler, %function
Reset_Handler:
/* Copy data core section from flash to RAM */
ldr r1, =__etext
ldr r2, =__coredata_start__
ldr r3, =__coredata_end__
.LC0:
cmp r2, r3
ittt lt
ldrlt r0, [r1], #4
strlt r0, [r2], #4
blt .LC0
/* Loop to copy data from read only memory to RAM. The ranges
* of copy from/to are specified by following symbols evaluated in
* linker script.
* __etext: End of code section, i.e., begin of data sections to copy from.
* __data_start__/__data_end__: RAM address range that data should be
* copied to. Both must be aligned to 4 bytes boundary. */
ldr r1, =__ecoredata
ldr r2, =__data_start__
ldr r3, =__data_end__
.LC1:
cmp r2, r3
ittt lt
ldrlt r0, [r1], #4
strlt r0, [r2], #4
blt .LC1
/* Set the bss core section to zero */
mov r0, #0
ldr r1, =__corebss_start__
ldr r2, =__corebss_end__
.LC2:
cmp r1, r2
itt lt
strlt r0, [r1], #4
blt .LC2
/* Call system initialization and startup routines */
ldr r0, =SystemInit
blx r0
ldr r0, =_start
bx r0
.pool
.size Reset_Handler, . - Reset_Handler
.text
/* Macro to define default handlers. Default handler
* will be weak symbol and just dead loops. They can be
* overwritten by other handlers */
.macro def_default_handler handler_name
.align 1
.thumb_func
.weak \handler_name
.type \handler_name, %function
\handler_name :
b .
.size \handler_name, . - \handler_name
.endm
def_default_handler NMI_Handler
def_default_handler HardFault_Handler
def_default_handler MemManage_Handler
def_default_handler BusFault_Handler
def_default_handler UsageFault_Handler
def_default_handler SVC_Handler
def_default_handler DebugMon_Handler
def_default_handler PendSV_Handler
def_default_handler SysTick_Handler
def_default_handler Default_Handler
.macro def_irq_default_handler handler_name
.weak \handler_name
.set \handler_name, Default_Handler
.endm
def_irq_default_handler WWDG_IRQHandler
def_irq_default_handler PVD_IRQHandler
def_irq_default_handler TAMP_STAMP_IRQHandler
def_irq_default_handler RTC_WKUP_IRQHandler
def_irq_default_handler FLASH_IRQHandler
def_irq_default_handler RCC_IRQHandler
def_irq_default_handler EXTI0_IRQHandler
def_irq_default_handler EXTI1_IRQHandler
def_irq_default_handler EXTI2_IRQHandler
def_irq_default_handler EXTI3_IRQHandler
def_irq_default_handler EXTI4_IRQHandler
def_irq_default_handler DMA1_Stream0_IRQHandler
def_irq_default_handler DMA1_Stream1_IRQHandler
def_irq_default_handler DMA1_Stream2_IRQHandler
def_irq_default_handler DMA1_Stream3_IRQHandler
def_irq_default_handler DMA1_Stream4_IRQHandler
def_irq_default_handler DMA1_Stream5_IRQHandler
def_irq_default_handler DMA1_Stream6_IRQHandler
def_irq_default_handler ADC_IRQHandler
def_irq_default_handler CAN1_TX_IRQHandler
def_irq_default_handler CAN1_RX0_IRQHandler
def_irq_default_handler CAN1_RX1_IRQHandler
def_irq_default_handler CAN1_SCE_IRQHandler
def_irq_default_handler EXTI9_5_IRQHandler
def_irq_default_handler TIM1_BRK_TIM9_IRQHandler
def_irq_default_handler TIM1_UP_TIM10_IRQHandler
def_irq_default_handler TIM1_TRG_COM_TIM11_IRQHandler
def_irq_default_handler TIM1_CC_IRQHandler
def_irq_default_handler TIM2_IRQHandler
def_irq_default_handler TIM3_IRQHandler
def_irq_default_handler TIM4_IRQHandler
def_irq_default_handler I2C1_EV_IRQHandler
def_irq_default_handler I2C1_ER_IRQHandler
def_irq_default_handler I2C2_EV_IRQHandler
def_irq_default_handler I2C2_ER_IRQHandler
def_irq_default_handler SPI1_IRQHandler
def_irq_default_handler SPI2_IRQHandler
def_irq_default_handler USART1_IRQHandler
def_irq_default_handler USART2_IRQHandler
def_irq_default_handler USART3_IRQHandler
def_irq_default_handler EXTI15_10_IRQHandler
def_irq_default_handler RTC_Alarm_IRQHandler
def_irq_default_handler OTG_FS_WKUP_IRQHandler
def_irq_default_handler TIM8_BRK_TIM12_IRQHandler
def_irq_default_handler TIM8_UP_TIM13_IRQHandler
def_irq_default_handler TIM8_TRG_COM_TIM14_IRQHandler
def_irq_default_handler TIM8_CC_IRQHandler
def_irq_default_handler DMA1_Stream7_IRQHandler
def_irq_default_handler FSMC_IRQHandler
def_irq_default_handler SDIO_IRQHandler
def_irq_default_handler TIM5_IRQHandler
def_irq_default_handler SPI3_IRQHandler
def_irq_default_handler UART4_IRQHandler
def_irq_default_handler UART5_IRQHandler
def_irq_default_handler TIM6_DAC_IRQHandler
def_irq_default_handler TIM7_IRQHandler
def_irq_default_handler DMA2_Stream0_IRQHandler
def_irq_default_handler DMA2_Stream1_IRQHandler
def_irq_default_handler DMA2_Stream2_IRQHandler
def_irq_default_handler DMA2_Stream3_IRQHandler
def_irq_default_handler DMA2_Stream4_IRQHandler
def_irq_default_handler ETH_IRQHandler
def_irq_default_handler ETH_WKUP_IRQHandler
def_irq_default_handler CAN2_TX_IRQHandler
def_irq_default_handler CAN2_RX0_IRQHandler
def_irq_default_handler CAN2_RX1_IRQHandler
def_irq_default_handler CAN2_SCE_IRQHandler
def_irq_default_handler OTG_FS_IRQHandler
def_irq_default_handler DMA2_Stream5_IRQHandler
def_irq_default_handler DMA2_Stream6_IRQHandler
def_irq_default_handler DMA2_Stream7_IRQHandler
def_irq_default_handler USART6_IRQHandler
def_irq_default_handler I2C3_EV_IRQHandler
def_irq_default_handler I2C3_ER_IRQHandler
def_irq_default_handler OTG_HS_EP1_OUT_IRQHandler
def_irq_default_handler OTG_HS_EP1_IN_IRQHandler
def_irq_default_handler OTG_HS_WKUP_IRQHandler
def_irq_default_handler OTG_HS_IRQHandler
def_irq_default_handler DCMI_IRQHandler
def_irq_default_handler CRYP_IRQHandler
def_irq_default_handler HASH_RNG_IRQHandler
def_irq_default_handler FPU_IRQHandler
def_irq_default_handler DEF_IRQHandler
.end
|
