| /** |
| ***************************************************************************** |
| ** |
| ** File : startup_XMC1300.s |
| ** |
| ** Abstract : This assembler file contains interrupt vector and |
| ** startup code for ARM. |
| ** |
| ** Functions : Reset_Handler |
| ** Default_Handler |
| ** XMCVeneer code |
| ** |
| ** Target : Infineon $(DEVICE) Device |
| ** |
| ** 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. |
| ** |
| ***************************************************************************** |
| */ |
| |
| #ifdef DAVE_CE |
| #include <Device_Data.h> |
| #else |
| #define CLKVAL1_SSW 0x80000000 |
| #define CLKVAL2_SSW 0x80000000 |
| #endif |
| |
| .syntax unified |
| .cpu cortex-m0 |
| .fpu softvfp |
| .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 |
| |
| .word VeneerLoadAddr |
| .word VeneerStart |
| .word VeneerSize |
| |
| |
| /** |
| **=========================================================================== |
| ** 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 r0, =_estack |
| mov sp, r0 |
| |
| /* 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] |
| str r0, [r2] |
| adds r1, r1, #4 |
| adds r2, 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] |
| adds r2, r2, #4 |
| cmpbss: |
| cmp r2, r3 |
| blt ClearLoop |
| |
| /* VENEER COPY */ |
| /* R0 = Start address, R1 = Destination address, R2 = Size */ |
| ldr r0, =VeneerLoadAddr |
| ldr r1, =VeneerStart |
| ldr r2, =VeneerSize |
| |
| STARTVENEERCOPY: |
| /* R2 contains byte count. Change it to word count. It is ensured in the |
| linker script that the length is always word aligned. |
| */ |
| lsrs r2,r2,#2 /* Divide by 4 to obtain word count */ |
| beq SKIPVENEERCOPY |
| |
| /* The proverbial loop from the schooldays */ |
| VENEERCOPYLOOP: |
| ldr r3,[R0] |
| str r3,[R1] |
| subs r2,#1 |
| beq SKIPVENEERCOPY |
| adds r0,#4 |
| adds r1,#4 |
| b VENEERCOPYLOOP |
| |
| SKIPVENEERCOPY: |
| /* Update System Clock */ |
| ldr r0,=SystemCoreClockUpdate |
| blx r0 |
| |
| /* 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 |
| .globl InterruptVector |
| .type InterruptVector, %object |
| |
| InterruptVector: |
| .word _estack /* 0 - Stack pointer */ |
| .word Reset_Handler /* 1 - Reset */ |
| .word NMI_Handler /* 2 - NMI */ |
| .word HardFault_Handler /* 3 - Hard fault */ |
| .word CLKVAL1_SSW /* Clock configuration value */ |
| .word CLKVAL2_SSW /* Clock gating configuration */ |
| |
| .size InterruptVector, . - InterruptVector |
| |
| /** |
| **=========================================================================== |
| ** 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 SVC_Handler |
| .thumb_set SVC_Handler, Default_Handler |
| |
| .weak PendSV_Handler |
| .thumb_set PendSV_Handler, Default_Handler |
| |
| .weak SysTick_Handler |
| .thumb_set SysTick_Handler, Default_Handler |
| |
| /* ============= START OF INTERRUPT HANDLER DEFINITION ====================== */ |
| |
| /* IRQ Handlers */ |
| .weak SCU_0_IRQHandler |
| .type SCU_0_IRQHandler, %function |
| SCU_0_IRQHandler: |
| B . |
| .size SCU_0_IRQHandler, . - SCU_0_IRQHandler |
| /* ======================================================================== */ |
| .weak SCU_1_IRQHandler |
| .type SCU_1_IRQHandler, %function |
| SCU_1_IRQHandler: |
| B . |
| .size SCU_1_IRQHandler, . - SCU_1_IRQHandler |
| /* ======================================================================== */ |
| .weak SCU_2_IRQHandler |
| .type SCU_2_IRQHandler, %function |
| SCU_2_IRQHandler: |
| B . |
| .size SCU_2_IRQHandler, . - SCU_2_IRQHandler |
| /* ======================================================================== */ |
| .weak ERU0_0_IRQHandler |
| .type ERU0_0_IRQHandler, %function |
| ERU0_0_IRQHandler: |
| B . |
| .size ERU0_0_IRQHandler, . - ERU0_0_IRQHandler |
| /* ======================================================================== */ |
| .weak ERU0_1_IRQHandler |
| .type ERU0_1_IRQHandler, %function |
| ERU0_1_IRQHandler: |
| B . |
| .size ERU0_1_IRQHandler, . - ERU0_1_IRQHandler |
| /* ======================================================================== */ |
| .weak ERU0_2_IRQHandler |
| .type ERU0_2_IRQHandler, %function |
| ERU0_2_IRQHandler: |
| B . |
| .size ERU0_2_IRQHandler, . - ERU0_2_IRQHandler |
| /* ======================================================================== */ |
| .weak ERU0_3_IRQHandler |
| .type ERU0_3_IRQHandler, %function |
| ERU0_3_IRQHandler: |
| B . |
| .size ERU0_3_IRQHandler, . - ERU0_3_IRQHandler |
| /* ======================================================================== */ |
| .weak MATH0_0_IRQHandler |
| .type MATH0_0_IRQHandler, %function |
| MATH0_0_IRQHandler: |
| B . |
| .size MATH0_0_IRQHandler, . - MATH0_0_IRQHandler |
| /* ======================================================================== */ |
| .weak VADC0_C0_0_IRQHandler |
| .type VADC0_C0_0_IRQHandler , %function |
| VADC0_C0_0_IRQHandler: |
| B . |
| .size VADC0_C0_0_IRQHandler , . - VADC0_C0_0_IRQHandler |
| /* ======================================================================== */ |
| .weak VADC0_C0_1_IRQHandler |
| .type VADC0_C0_1_IRQHandler , %function |
| VADC0_C0_1_IRQHandler: |
| B . |
| .size VADC0_C0_1_IRQHandler , . - VADC0_C0_1_IRQHandler |
| /* ======================================================================== */ |
| .weak VADC0_G0_0_IRQHandler |
| .type VADC0_G0_0_IRQHandler, %function |
| VADC0_G0_0_IRQHandler: |
| B . |
| .size VADC0_G0_0_IRQHandler, . - VADC0_G0_0_IRQHandler |
| /* ======================================================================== */ |
| .weak VADC0_G0_1_IRQHandler |
| .type VADC0_G0_1_IRQHandler, %function |
| VADC0_G0_1_IRQHandler: |
| B . |
| .size VADC0_G0_1_IRQHandler, . - VADC0_G0_1_IRQHandler |
| /* ======================================================================== */ |
| .weak VADC0_G1_0_IRQHandler |
| .type VADC0_G1_0_IRQHandler, %function |
| VADC0_G1_0_IRQHandler: |
| B . |
| .size VADC0_G1_0_IRQHandler, . - VADC0_G1_0_IRQHandler |
| /* ======================================================================== */ |
| .weak VADC0_G1_1_IRQHandler |
| .type VADC0_G1_1_IRQHandler, %function |
| VADC0_G1_1_IRQHandler: |
| B . |
| .size VADC0_G1_1_IRQHandler, . - VADC0_G1_1_IRQHandler |
| /* ======================================================================== */ |
| .weak CCU40_0_IRQHandler |
| .type CCU40_0_IRQHandler, %function |
| CCU40_0_IRQHandler: |
| B . |
| .size CCU40_0_IRQHandler, . - CCU40_0_IRQHandler |
| /* ======================================================================== */ |
| .weak CCU40_1_IRQHandler |
| .type CCU40_1_IRQHandler, %function |
| |
| CCU40_1_IRQHandler: |
| B . |
| .size CCU40_1_IRQHandler, . - CCU40_1_IRQHandler |
| /* ======================================================================== */ |
| .weak CCU40_2_IRQHandler |
| .type CCU40_2_IRQHandler, %function |
| CCU40_2_IRQHandler: |
| B . |
| .size CCU40_2_IRQHandler, . - CCU40_2_IRQHandler |
| /* ======================================================================== */ |
| .weak CCU40_3_IRQHandler |
| .type CCU40_3_IRQHandler, %function |
| CCU40_3_IRQHandler: |
| B . |
| .size CCU40_3_IRQHandler, . - CCU40_3_IRQHandler |
| /* ======================================================================== */ |
| .weak CCU80_0_IRQHandler |
| .type CCU80_0_IRQHandler, %function |
| CCU80_0_IRQHandler: |
| B . |
| .size CCU80_0_IRQHandler, . - CCU80_0_IRQHandler |
| /* ======================================================================== */ |
| .weak CCU80_1_IRQHandler |
| .type CCU80_1_IRQHandler, %function |
| CCU80_1_IRQHandler: |
| B . |
| .size CCU80_1_IRQHandler, . - CCU80_1_IRQHandler |
| /* ======================================================================== */ |
| .weak POSIF0_0_IRQHandler |
| .type POSIF0_0_IRQHandler, %function |
| |
| POSIF0_0_IRQHandler: |
| B . |
| .size POSIF0_0_IRQHandler, . - POSIF0_0_IRQHandler |
| /* ======================================================================== */ |
| .weak POSIF0_1_IRQHandler |
| .type POSIF0_1_IRQHandler, %function |
| POSIF0_1_IRQHandler: |
| B . |
| .size POSIF0_1_IRQHandler, . - POSIF0_1_IRQHandler |
| /* ======================================================================== */ |
| .weak USIC0_0_IRQHandler |
| .type USIC0_0_IRQHandler, %function |
| USIC0_0_IRQHandler: |
| B . |
| .size USIC0_0_IRQHandler, . - USIC0_0_IRQHandler |
| /* ======================================================================== */ |
| .weak USIC0_1_IRQHandler |
| .type USIC0_1_IRQHandler, %function |
| USIC0_1_IRQHandler: |
| B . |
| .size USIC0_1_IRQHandler, . - USIC0_1_IRQHandler |
| /* ======================================================================== */ |
| .weak USIC0_2_IRQHandler |
| .type USIC0_2_IRQHandler, %function |
| USIC0_2_IRQHandler: |
| B . |
| .size USIC0_2_IRQHandler, . - USIC0_2_IRQHandler |
| /* ======================================================================== */ |
| .weak USIC0_3_IRQHandler |
| .type USIC0_3_IRQHandler, %function |
| USIC0_3_IRQHandler: |
| B . |
| .size USIC0_3_IRQHandler, . - USIC0_3_IRQHandler |
| /* ======================================================================== */ |
| .weak USIC0_4_IRQHandler |
| .type USIC0_4_IRQHandler, %function |
| USIC0_4_IRQHandler: |
| B . |
| .size USIC0_4_IRQHandler, . - USIC0_4_IRQHandler |
| /* ======================================================================== */ |
| .weak USIC0_5_IRQHandler |
| .type USIC0_5_IRQHandler, %function |
| USIC0_5_IRQHandler: |
| B . |
| .size USIC0_5_IRQHandler, . - USIC0_5_IRQHandler |
| /* ======================================================================== */ |
| .weak LEDTS0_0_IRQHandler |
| .type LEDTS0_0_IRQHandler, %function |
| LEDTS0_0_IRQHandler: |
| B . |
| .size LEDTS0_0_IRQHandler, . - LEDTS0_0_IRQHandler |
| /* ======================================================================== */ |
| .weak LEDTS1_0_IRQHandler |
| .type LEDTS1_0_IRQHandler, %function |
| LEDTS1_0_IRQHandler: |
| B . |
| .size LEDTS1_0_IRQHandler, . - LEDTS1_0_IRQHandler |
| /* ======================================================================== */ |
| .weak BCCU0_0_IRQHandler |
| .type BCCU0_0_IRQHandler, %function |
| BCCU0_0_IRQHandler: |
| B . |
| .size BCCU0_0_IRQHandler, . - BCCU0_0_IRQHandler |
| /* ======================================================================== */ |
| /* ======================================================================== */ |
| |
| /* ==================VENEERS VENEERS VENEERS VENEERS VENEERS=============== */ |
| .section ".XmcVeneerCode","ax",%progbits |
| .globl HardFault_Veneer |
| HardFault_Veneer: |
| LDR R0, =HardFault_Handler |
| MOV PC,R0 |
| .long 0 |
| .long 0 |
| .long 0 |
| .long 0 |
| .long 0 |
| .long 0 |
| .long 0 |
| |
| /* ======================================================================== */ |
| .globl SVC_Veneer |
| SVC_Veneer: |
| LDR R0, =SVC_Handler |
| MOV PC,R0 |
| .long 0 |
| .long 0 |
| /* ======================================================================== */ |
| .globl PendSV_Veneer |
| PendSV_Veneer: |
| LDR R0, =PendSV_Handler |
| MOV PC,R0 |
| /* ======================================================================== */ |
| .globl SysTick_Veneer |
| SysTick_Veneer: |
| LDR R0, =SysTick_Handler |
| MOV PC,R0 |
| /* ======================================================================== */ |
| .globl SCU_0_Veneer |
| SCU_0_Veneer: |
| LDR R0, =SCU_0_IRQHandler |
| MOV PC,R0 |
| /* ======================================================================== */ |
| .globl SCU_1_Veneer |
| SCU_1_Veneer: |
| LDR R0, =SCU_1_IRQHandler |
| MOV PC,R0 |
| /* ======================================================================== */ |
| .globl SCU_2_Veneer |
| SCU_2_Veneer: |
| LDR R0, =SCU_2_IRQHandler |
| MOV PC,R0 |
| /* ======================================================================== */ |
| .globl SCU_3_Veneer |
| SCU_3_Veneer: |
| LDR R0, =ERU0_0_IRQHandler |
| MOV PC,R0 |
| /* ======================================================================== */ |
| .globl SCU_4_Veneer |
| SCU_4_Veneer: |
| LDR R0, =ERU0_1_IRQHandler |
| MOV PC,R0 |
| /* ======================================================================== */ |
| .globl SCU_5_Veneer |
| SCU_5_Veneer: |
| LDR R0, =ERU0_2_IRQHandler |
| MOV PC,R0 |
| /* ======================================================================== */ |
| .globl SCU_6_Veneer |
| SCU_6_Veneer: |
| LDR R0, =ERU0_3_IRQHandler |
| MOV PC,R0 |
| /* ======================================================================== */ |
| .globl SCU_7_Veneer |
| SCU_7_Veneer: |
| LDR R0, =MATH0_0_IRQHandler |
| MOV PC,R0 |
| .long 0 |
| /* ======================================================================== */ |
| .globl VADC0_C0_0_Veneer |
| VADC0_C0_0_Veneer: |
| LDR R0, =VADC0_C0_0_IRQHandler |
| MOV PC,R0 |
| /* ======================================================================== */ |
| .globl VADC0_C0_1_Veneer |
| VADC0_C0_1_Veneer: |
| LDR R0, =VADC0_C0_1_IRQHandler |
| MOV PC,R0 |
| /* ======================================================================== */ |
| .globl VADC0_G0_0_Veneer |
| VADC0_G0_0_Veneer: |
| LDR R0, =VADC0_G0_0_IRQHandler |
| MOV PC,R0 |
| /* ======================================================================== */ |
| .globl VADC0_G0_1_Veneer |
| VADC0_G0_1_Veneer: |
| LDR R0, =VADC0_G0_1_IRQHandler |
| MOV PC,R0 |
| /* ======================================================================== */ |
| .globl VADC0_G1_0_Veneer |
| VADC0_G1_0_Veneer: |
| LDR R0, =VADC0_G1_0_IRQHandler |
| MOV PC,R0 |
| /* ======================================================================== */ |
| .globl VADC0_G1_1_Veneer |
| VADC0_G1_1_Veneer: |
| LDR R0, =VADC0_G1_1_IRQHandler |
| MOV PC,R0 |
| /* ======================================================================== */ |
| .globl CCU40_0_Veneer |
| CCU40_0_Veneer: |
| LDR R0, =CCU40_0_IRQHandler |
| MOV PC,R0 |
| /* ======================================================================== */ |
| .globl CCU40_1_Veneer |
| CCU40_1_Veneer: |
| LDR R0, =CCU40_1_IRQHandler |
| MOV PC,R0 |
| /* ======================================================================== */ |
| .globl CCU40_2_Veneer |
| CCU40_2_Veneer: |
| LDR R0, =CCU40_2_IRQHandler |
| MOV PC,R0 |
| /* ======================================================================== */ |
| .globl CCU40_3_Veneer |
| CCU40_3_Veneer: |
| LDR R0, =CCU40_3_IRQHandler |
| MOV PC,R0 |
| /* ======================================================================== */ |
| .globl CCU80_0_Veneer |
| CCU80_0_Veneer: |
| LDR R0, =CCU80_0_IRQHandler |
| MOV PC,R0 |
| /* ======================================================================== */ |
| .globl CCU80_1_Veneer |
| CCU80_1_Veneer: |
| LDR R0, =CCU80_1_IRQHandler |
| MOV PC,R0 |
| /* ======================================================================== */ |
| .globl POSIF0_0_Veneer |
| POSIF0_0_Veneer: |
| LDR R0, =POSIF0_0_IRQHandler |
| MOV PC,R0 |
| /* ======================================================================== */ |
| .globl POSIF0_1_Veneer |
| POSIF0_1_Veneer: |
| LDR R0, =POSIF0_1_IRQHandler |
| MOV PC,R0 |
| /* ======================================================================== */ |
| .globl USIC0_0_Veneer |
| USIC0_0_Veneer: |
| LDR R0, =USIC0_0_IRQHandler |
| MOV PC,R0 |
| /* ======================================================================== */ |
| .globl USIC0_1_Veneer |
| USIC0_1_Veneer: |
| LDR R0, =USIC0_1_IRQHandler |
| MOV PC,R0 |
| /* ======================================================================== */ |
| .globl USIC0_2_Veneer |
| USIC0_2_Veneer: |
| LDR R0, =USIC0_2_IRQHandler |
| MOV PC,R0 |
| /* ======================================================================== */ |
| .globl USIC0_3_Veneer |
| USIC0_3_Veneer: |
| LDR R0, =USIC0_3_IRQHandler |
| MOV PC,R0 |
| /* ======================================================================== */ |
| .globl USIC0_4_Veneer |
| USIC0_4_Veneer: |
| LDR R0, =USIC0_4_IRQHandler |
| MOV PC,R0 |
| /* ======================================================================== */ |
| .globl USIC0_5_Veneer |
| USIC0_5_Veneer: |
| LDR R0, =USIC0_5_IRQHandler |
| MOV PC,R0 |
| /* ======================================================================== */ |
| .globl LEDTS0_0_Veneer |
| LEDTS0_0_Veneer: |
| LDR R0, =LEDTS0_0_IRQHandler |
| MOV PC,R0 |
| /* ======================================================================== */ |
| .globl LEDTS1_0_Veneer |
| LEDTS1_0_Veneer: |
| LDR R0, =LEDTS1_0_IRQHandler |
| MOV PC,R0 |
| /* ======================================================================== */ |
| .globl BCCU0_0_Veneer |
| BCCU0_0_Veneer: |
| LDR R0, =BCCU0_0_IRQHandler |
| MOV PC,R0 |
| |
| /* ======================================================================== */ |
| |
| /* ===== Decision function queried by CMSIS startup for Clock tree setup === */ |
| /* In the absence of DAVE code engine, CMSIS SystemInit() must perform clock |
| tree setup. |
| |
| This decision routine defined here will always return TRUE. |
| |
| When overridden by a definition defined in DAVE code engine, this routine |
| returns FALSE indicating that the code engine has performed the clock setup |
| */ |
| .section ".XmcStartup" |
| .weak AllowClkInitByStartup |
| .type AllowClkInitByStartup, %function |
| AllowClkInitByStartup: |
| MOVS R0,#1 |
| BX LR |
| .size AllowClkInitByStartup, . - AllowClkInitByStartup |
| |
| /* ====== Definition of the default weak SystemInit_DAVE3 function ========= |
| If DAVE3 requires an extended SystemInit it will create its own version of |
| SystemInit_DAVE3 which overrides this weak definition. Example includes |
| setting up of external memory interfaces. |
| */ |
| .weak SystemInit_DAVE3 |
| .type SystemInit_DAVE3, %function |
| SystemInit_DAVE3: |
| NOP |
| BX LR |
| .size SystemInit_DAVE3, . - SystemInit_DAVE3 |
| |
| .end |
