| /**************************************************************************//** | |
| * File : startup_efm32x.s | |
| * | |
| * Abstract : This file contains interrupt vector and startup code. | |
| * | |
| * Functions : Reset_Handler | |
| * | |
| * Target : Silicon Labs EFM32WG devices. | |
| * | |
| * Environment : Atollic TrueSTUDIO(R) | |
| * | |
| * Distribution: The file is distributed "as is," without any warranty | |
| * of any kind. | |
| * | |
| * (c)Copyright Atollic AB. | |
| * You may use this file as-is or modify it according to the needs of your | |
| * project. This file may only be built (assembled or compiled and linked) | |
| * using the Atollic TrueSTUDIO(R) product. The use of this file together | |
| * with other tools than Atollic TrueSTUDIO(R) is not permitted. | |
| * | |
| ******************************************************************************* | |
| * Silicon Labs release version | |
| * @version 5.1.2 | |
| ******************************************************************************/ | |
| .syntax unified | |
| .thumb | |
| .global Reset_Handler | |
| .global InterruptVector | |
| .global Default_Handler | |
| /* Linker script definitions */ | |
| /* start address for the initialization values of the .data section */ | |
| .word _sidata | |
| /* start address for the .data section */ | |
| .word _sdata | |
| /* end address for the .data section */ | |
| .word _edata | |
| /* start address for the .bss section */ | |
| .word _sbss | |
| /* end address for the .bss section */ | |
| .word _ebss | |
| /** | |
| **=========================================================================== | |
| ** Program - Reset_Handler | |
| ** Abstract: This code gets called after reset. | |
| **=========================================================================== | |
| */ | |
| .section .text.Reset_Handler,"ax", %progbits | |
| .type Reset_Handler, %function | |
| Reset_Handler: | |
| /* Set stack pointer */ | |
| ldr sp,=_estack | |
| /* Branch to SystemInit function */ | |
| bl SystemInit | |
| /* Copy data initialization values */ | |
| ldr r1,=_sidata | |
| ldr r2,=_sdata | |
| ldr r3,=_edata | |
| b cmpdata | |
| CopyLoop: | |
| ldr r0, [r1], #4 | |
| str r0, [r2], #4 | |
| cmpdata: | |
| cmp r2, r3 | |
| blt CopyLoop | |
| /* Clear BSS section */ | |
| movs r0, #0 | |
| ldr r2,=_sbss | |
| ldr r3,=_ebss | |
| b cmpbss | |
| ClearLoop: | |
| str r0, [r2], #4 | |
| cmpbss: | |
| cmp r2, r3 | |
| blt ClearLoop | |
| /* Call static constructors */ | |
| bl __libc_init_array | |
| /* Branch to main */ | |
| bl main | |
| /* If main returns, branch to Default_Handler. */ | |
| b Default_Handler | |
| .size Reset_Handler, .-Reset_Handler | |
| /** | |
| **=========================================================================== | |
| ** Program - Default_Handler | |
| ** Abstract: This code gets called when the processor receives an | |
| ** unexpected interrupt. | |
| **=========================================================================== | |
| */ | |
| .section .text.Default_Handler,"ax", %progbits | |
| Default_Handler: | |
| b Default_Handler | |
| .size Default_Handler, .-Default_Handler | |
| /** | |
| **=========================================================================== | |
| ** Interrupt vector table | |
| **=========================================================================== | |
| */ | |
| .section .isr_vector,"a", %progbits | |
| InterruptVector: | |
| .word _estack /* 0 - Stack pointer */ | |
| .word Reset_Handler /* 1 - Reset */ | |
| .word NMI_Handler /* 2 - NMI */ | |
| .word HardFault_Handler /* 3 - Hard fault */ | |
| .word MemManage_Handler /* 4 - Memory management fault */ | |
| .word BusFault_Handler /* 5 - Bus fault */ | |
| .word UsageFault_Handler /* 6 - Usage fault */ | |
| .word 0 /* 7 - Reserved */ | |
| .word 0 /* 8 - Reserved */ | |
| .word 0 /* 9 - Reserved */ | |
| .word 0 /* 10 - Reserved */ | |
| .word SVC_Handler /* 11 - SVCall */ | |
| .word DebugMonitor_Handler /* 12 - Reserved for Debug */ | |
| .word 0 /* 13 - Reserved */ | |
| .word PendSV_Handler /* 14 - PendSV */ | |
| .word SysTick_Handler /* 15 - Systick */ | |
| /* External Interrupts */ | |
| .word DMA_IRQHandler /* 0 - DMA */ | |
| .word GPIO_EVEN_IRQHandler /* 1 - GPIO_EVEN */ | |
| .word TIMER0_IRQHandler /* 2 - TIMER0 */ | |
| .word USART0_RX_IRQHandler /* 3 - USART0_RX */ | |
| .word USART0_TX_IRQHandler /* 4 - USART0_TX */ | |
| .word USB_IRQHandler /* 5 - USB */ | |
| .word ACMP0_IRQHandler /* 6 - ACMP0 */ | |
| .word ADC0_IRQHandler /* 7 - ADC0 */ | |
| .word DAC0_IRQHandler /* 8 - DAC0 */ | |
| .word I2C0_IRQHandler /* 9 - I2C0 */ | |
| .word I2C1_IRQHandler /* 10 - I2C1 */ | |
| .word GPIO_ODD_IRQHandler /* 11 - GPIO_ODD */ | |
| .word TIMER1_IRQHandler /* 12 - TIMER1 */ | |
| .word TIMER2_IRQHandler /* 13 - TIMER2 */ | |
| .word TIMER3_IRQHandler /* 14 - TIMER3 */ | |
| .word USART1_RX_IRQHandler /* 15 - USART1_RX */ | |
| .word USART1_TX_IRQHandler /* 16 - USART1_TX */ | |
| .word LESENSE_IRQHandler /* 17 - LESENSE */ | |
| .word USART2_RX_IRQHandler /* 18 - USART2_RX */ | |
| .word USART2_TX_IRQHandler /* 19 - USART2_TX */ | |
| .word UART0_RX_IRQHandler /* 20 - UART0_RX */ | |
| .word UART0_TX_IRQHandler /* 21 - UART0_TX */ | |
| .word UART1_RX_IRQHandler /* 22 - UART1_RX */ | |
| .word UART1_TX_IRQHandler /* 23 - UART1_TX */ | |
| .word LEUART0_IRQHandler /* 24 - LEUART0 */ | |
| .word LEUART1_IRQHandler /* 25 - LEUART1 */ | |
| .word LETIMER0_IRQHandler /* 26 - LETIMER0 */ | |
| .word PCNT0_IRQHandler /* 27 - PCNT0 */ | |
| .word PCNT1_IRQHandler /* 28 - PCNT1 */ | |
| .word PCNT2_IRQHandler /* 29 - PCNT2 */ | |
| .word RTC_IRQHandler /* 30 - RTC */ | |
| .word BURTC_IRQHandler /* 31 - BURTC */ | |
| .word CMU_IRQHandler /* 32 - CMU */ | |
| .word VCMP_IRQHandler /* 33 - VCMP */ | |
| .word LCD_IRQHandler /* 34 - LCD */ | |
| .word MSC_IRQHandler /* 35 - MSC */ | |
| .word AES_IRQHandler /* 36 - AES */ | |
| .word EBI_IRQHandler /* 37 - EBI */ | |
| .word EMU_IRQHandler /* 38 - EMU */ | |
| .word FPUEH_IRQHandler /* 39 - FPUEH */ | |
| /** | |
| **=========================================================================== | |
| ** Weak interrupt handlers redirected to Default_Handler. These can be | |
| ** overridden in user code. | |
| **=========================================================================== | |
| */ | |
| .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 DebugMonitor_Handler | |
| .thumb_set DebugMonitor_Handler, Default_Handler | |
| .weak PendSV_Handler | |
| .thumb_set PendSV_Handler, Default_Handler | |
| .weak SysTick_Handler | |
| .thumb_set SysTick_Handler, Default_Handler | |
| .weak DMA_IRQHandler | |
| .thumb_set DMA_IRQHandler, Default_Handler | |
| .weak GPIO_EVEN_IRQHandler | |
| .thumb_set GPIO_EVEN_IRQHandler, Default_Handler | |
| .weak TIMER0_IRQHandler | |
| .thumb_set TIMER0_IRQHandler, Default_Handler | |
| .weak USART0_RX_IRQHandler | |
| .thumb_set USART0_RX_IRQHandler, Default_Handler | |
| .weak USART0_TX_IRQHandler | |
| .thumb_set USART0_TX_IRQHandler, Default_Handler | |
| .weak USB_IRQHandler | |
| .thumb_set USB_IRQHandler, Default_Handler | |
| .weak ACMP0_IRQHandler | |
| .thumb_set ACMP0_IRQHandler, Default_Handler | |
| .weak ADC0_IRQHandler | |
| .thumb_set ADC0_IRQHandler, Default_Handler | |
| .weak DAC0_IRQHandler | |
| .thumb_set DAC0_IRQHandler, Default_Handler | |
| .weak I2C0_IRQHandler | |
| .thumb_set I2C0_IRQHandler, Default_Handler | |
| .weak I2C1_IRQHandler | |
| .thumb_set I2C1_IRQHandler, Default_Handler | |
| .weak GPIO_ODD_IRQHandler | |
| .thumb_set GPIO_ODD_IRQHandler, Default_Handler | |
| .weak TIMER1_IRQHandler | |
| .thumb_set TIMER1_IRQHandler, Default_Handler | |
| .weak TIMER2_IRQHandler | |
| .thumb_set TIMER2_IRQHandler, Default_Handler | |
| .weak TIMER3_IRQHandler | |
| .thumb_set TIMER3_IRQHandler, Default_Handler | |
| .weak USART1_RX_IRQHandler | |
| .thumb_set USART1_RX_IRQHandler, Default_Handler | |
| .weak USART1_TX_IRQHandler | |
| .thumb_set USART1_TX_IRQHandler, Default_Handler | |
| .weak LESENSE_IRQHandler | |
| .thumb_set LESENSE_IRQHandler, Default_Handler | |
| .weak USART2_RX_IRQHandler | |
| .thumb_set USART2_RX_IRQHandler, Default_Handler | |
| .weak USART2_TX_IRQHandler | |
| .thumb_set USART2_TX_IRQHandler, Default_Handler | |
| .weak UART0_RX_IRQHandler | |
| .thumb_set UART0_RX_IRQHandler, Default_Handler | |
| .weak UART0_TX_IRQHandler | |
| .thumb_set UART0_TX_IRQHandler, Default_Handler | |
| .weak UART1_RX_IRQHandler | |
| .thumb_set UART1_RX_IRQHandler, Default_Handler | |
| .weak UART1_TX_IRQHandler | |
| .thumb_set UART1_TX_IRQHandler, Default_Handler | |
| .weak LEUART0_IRQHandler | |
| .thumb_set LEUART0_IRQHandler, Default_Handler | |
| .weak LEUART1_IRQHandler | |
| .thumb_set LEUART1_IRQHandler, Default_Handler | |
| .weak LETIMER0_IRQHandler | |
| .thumb_set LETIMER0_IRQHandler, Default_Handler | |
| .weak PCNT0_IRQHandler | |
| .thumb_set PCNT0_IRQHandler, Default_Handler | |
| .weak PCNT1_IRQHandler | |
| .thumb_set PCNT1_IRQHandler, Default_Handler | |
| .weak PCNT2_IRQHandler | |
| .thumb_set PCNT2_IRQHandler, Default_Handler | |
| .weak RTC_IRQHandler | |
| .thumb_set RTC_IRQHandler, Default_Handler | |
| .weak BURTC_IRQHandler | |
| .thumb_set BURTC_IRQHandler, Default_Handler | |
| .weak CMU_IRQHandler | |
| .thumb_set CMU_IRQHandler, Default_Handler | |
| .weak VCMP_IRQHandler | |
| .thumb_set VCMP_IRQHandler, Default_Handler | |
| .weak LCD_IRQHandler | |
| .thumb_set LCD_IRQHandler, Default_Handler | |
| .weak MSC_IRQHandler | |
| .thumb_set MSC_IRQHandler, Default_Handler | |
| .weak AES_IRQHandler | |
| .thumb_set AES_IRQHandler, Default_Handler | |
| .weak EBI_IRQHandler | |
| .thumb_set EBI_IRQHandler, Default_Handler | |
| .weak EMU_IRQHandler | |
| .thumb_set EMU_IRQHandler, Default_Handler | |
| .weak FPUEH_IRQHandler | |
| .thumb_set FPUEH_IRQHandler, Default_Handler | |
| .end |