diff options
Diffstat (limited to 'hw/bsp/stm32f4discovery/src/arch/cortex_m4/startup_STM32F40x.s')
| -rw-r--r-- | hw/bsp/stm32f4discovery/src/arch/cortex_m4/startup_STM32F40x.s | 343 |
1 files changed, 343 insertions, 0 deletions
diff --git a/hw/bsp/stm32f4discovery/src/arch/cortex_m4/startup_STM32F40x.s b/hw/bsp/stm32f4discovery/src/arch/cortex_m4/startup_STM32F40x.s new file mode 100644 index 00000000..646b4bf4 --- /dev/null +++ b/hw/bsp/stm32f4discovery/src/arch/cortex_m4/startup_STM32F40x.s @@ -0,0 +1,343 @@ +/* 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 |