Johannes Stratmann
added prescaler for 16 bit pwm in LPC1347 target
Fork of
mbed-dev
by 
mbed official
Diff: targets/cmsis/TARGET_Freescale/TARGET_KL27Z/TOOLCHAIN_GCC_ARM/startup_MKL27Z644.S
- Revision:
- 121:7f86b4238bec
diff -r f2ddb8be7462 -r 7f86b4238bec targets/cmsis/TARGET_Freescale/TARGET_KL27Z/TOOLCHAIN_GCC_ARM/startup_MKL27Z644.S --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/targets/cmsis/TARGET_Freescale/TARGET_KL27Z/TOOLCHAIN_GCC_ARM/startup_MKL27Z644.S Tue May 03 00:15:16 2016 +0100 @@ -0,0 +1,382 @@ +/* ---------------------------------------------------------------------------------------*/ +/* @file: startup_MKL27Z644.s */ +/* @purpose: CMSIS Cortex-M0P Core Device Startup File */ +/* MKL27Z644 */ +/* @version: 1.4 */ +/* @date: 2014-9-22 */ +/* @build: b151111 */ +/* ---------------------------------------------------------------------------------------*/ +/* */ +/* Copyright (c) 1997 - 2015 , Freescale Semiconductor, Inc. */ +/* All rights reserved. */ +/* */ +/* Redistribution and use in source and binary forms, with or without modification, */ +/* are permitted provided that the following conditions are met: */ +/* */ +/* o Redistributions of source code must retain the above copyright notice, this list */ +/* of conditions and the following disclaimer. */ +/* */ +/* o 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. */ +/* */ +/* o Neither the name of Freescale Semiconductor, Inc. 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 THE COPYRIGHT HOLDER OR CONTRIBUTORS 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. */ +/*****************************************************************************/ +/* Version: GCC for ARM Embedded Processors */ +/*****************************************************************************/ + .syntax unified + .arch armv6-m + + .section .isr_vector, "a" + .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 0 /* Reserved*/ + .long 0 /* Reserved*/ + .long 0 /* Reserved*/ + .long 0 /* Reserved*/ + .long 0 /* Reserved*/ + .long 0 /* Reserved*/ + .long 0 /* Reserved*/ + .long SVC_Handler /* SVCall Handler*/ + .long 0 /* Reserved*/ + .long 0 /* Reserved*/ + .long PendSV_Handler /* PendSV Handler*/ + .long SysTick_Handler /* SysTick Handler*/ + + /* External Interrupts*/ + .long DMA0_IRQHandler /* DMA channel 0 transfer complete*/ + .long DMA1_IRQHandler /* DMA channel 1 transfer complete*/ + .long DMA2_IRQHandler /* DMA channel 2 transfer complete*/ + .long DMA3_IRQHandler /* DMA channel 3 transfer complete*/ + .long Reserved20_IRQHandler /* Reserved interrupt*/ + .long FTFA_IRQHandler /* Command complete and read collision*/ + .long PMC_IRQHandler /* Low-voltage detect, low-voltage warning*/ + .long LLWU_IRQHandler /* Low leakage wakeup*/ + .long I2C0_IRQHandler /* I2C0 interrupt*/ + .long I2C1_IRQHandler /* I2C1 interrupt*/ + .long SPI0_IRQHandler /* SPI0 single interrupt vector for all sources*/ + .long SPI1_IRQHandler /* SPI1 single interrupt vector for all sources*/ + .long LPUART0_IRQHandler /* LPUART0 status and error*/ + .long LPUART1_IRQHandler /* LPUART1 status and error*/ + .long UART2_FLEXIO_IRQHandler /* UART2 or FLEXIO*/ + .long ADC0_IRQHandler /* ADC0 interrupt*/ + .long CMP0_IRQHandler /* CMP0 interrupt*/ + .long TPM0_IRQHandler /* TPM0 single interrupt vector for all sources*/ + .long TPM1_IRQHandler /* TPM1 single interrupt vector for all sources*/ + .long TPM2_IRQHandler /* TPM2 single interrupt vector for all sources*/ + .long RTC_IRQHandler /* RTC alarm*/ + .long RTC_Seconds_IRQHandler /* RTC seconds*/ + .long PIT_IRQHandler /* PIT interrupt*/ + .long Reserved39_IRQHandler /* Reserved interrupt*/ + .long USB0_IRQHandler /* USB0 interrupt*/ + .long Reserved41_IRQHandler /* Reserved interrupt*/ + .long Reserved42_IRQHandler /* Reserved interrupt*/ + .long Reserved43_IRQHandler /* Reserved interrupt*/ + .long LPTMR0_IRQHandler /* LPTMR0 interrupt*/ + .long Reserved45_IRQHandler /* Reserved interrupt*/ + .long PORTA_IRQHandler /* PORTA Pin detect*/ + .long PORTBCDE_IRQHandler /* Single interrupt vector for PORTB,PORTC,PORTD,PORTE*/ + + .size __isr_vector, . - __isr_vector + +/* Flash Configuration */ + .section .FlashConfig, "a" + .long 0xFFFFFFFF + .long 0xFFFFFFFF + .long 0xFFFFFFFF + .long 0xFFFF3DFE + + .text + .thumb + +/* Reset Handler */ + + .thumb_func + .align 2 + .globl Reset_Handler + .weak Reset_Handler + .type Reset_Handler, %function +Reset_Handler: + cpsid i /* Mask interrupts */ + .equ VTOR, 0xE000ED08 + ldr r0, =VTOR + ldr r1, =__isr_vector + str r1, [r0] +#ifndef __NO_SYSTEM_INIT + ldr r0,=SystemInit + blx r0 +#endif +/* 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, =__etext + ldr r2, =__data_start__ + ldr r3, =__data_end__ + + subs r3, r2 + ble .LC0 + +.LC1: + subs r3, 4 + ldr r0, [r1,r3] + str r0, [r2,r3] + bgt .LC1 +.LC0: + +#ifdef __STARTUP_CLEAR_BSS +/* This part of work usually is done in C library startup code. Otherwise, + * define this macro to enable it in this startup. + * + * Loop to zero out BSS section, which uses following symbols + * in linker script: + * __bss_start__: start of BSS section. Must align to 4 + * __bss_end__: end of BSS section. Must align to 4 + */ + ldr r1, =__bss_start__ + ldr r2, =__bss_end__ + + subs r2, r1 + ble .LC3 + + movs r0, 0 +.LC2: + str r0, [r1, r2] + subs r2, 4 + bge .LC2 +.LC3: +#endif + cpsie i /* Unmask interrupts */ +#ifndef __START +#define __START _start +#endif +#ifndef __ATOLLIC__ + ldr r0,=__START + blx r0 +#else + ldr r0,=__libc_init_array + blx r0 + ldr r0,=main + bx r0 +#endif + .pool + .size Reset_Handler, . - Reset_Handler + + .align 1 + .thumb_func + .weak DefaultISR + .type DefaultISR, %function +DefaultISR: + ldr r0, =DefaultISR + bx r0 + .size DefaultISR, . - DefaultISR + + .align 1 + .thumb_func + .weak NMI_Handler + .type NMI_Handler, %function +NMI_Handler: + ldr r0,=NMI_Handler + bx r0 + .size NMI_Handler, . - NMI_Handler + + .align 1 + .thumb_func + .weak HardFault_Handler + .type HardFault_Handler, %function +HardFault_Handler: + ldr r0,=HardFault_Handler + bx r0 + .size HardFault_Handler, . - HardFault_Handler + + .align 1 + .thumb_func + .weak SVC_Handler + .type SVC_Handler, %function +SVC_Handler: + ldr r0,=SVC_Handler + bx r0 + .size SVC_Handler, . - SVC_Handler + + .align 1 + .thumb_func + .weak PendSV_Handler + .type PendSV_Handler, %function +PendSV_Handler: + ldr r0,=PendSV_Handler + bx r0 + .size PendSV_Handler, . - PendSV_Handler + + .align 1 + .thumb_func + .weak SysTick_Handler + .type SysTick_Handler, %function +SysTick_Handler: + ldr r0,=SysTick_Handler + bx r0 + .size SysTick_Handler, . - SysTick_Handler + + .align 1 + .thumb_func + .weak DMA0_IRQHandler + .type DMA0_IRQHandler, %function +DMA0_IRQHandler: + ldr r0,=DMA0_DriverIRQHandler + bx r0 + .size DMA0_IRQHandler, . - DMA0_IRQHandler + + .align 1 + .thumb_func + .weak DMA1_IRQHandler + .type DMA1_IRQHandler, %function +DMA1_IRQHandler: + ldr r0,=DMA1_DriverIRQHandler + bx r0 + .size DMA1_IRQHandler, . - DMA1_IRQHandler + + .align 1 + .thumb_func + .weak DMA2_IRQHandler + .type DMA2_IRQHandler, %function +DMA2_IRQHandler: + ldr r0,=DMA2_DriverIRQHandler + bx r0 + .size DMA2_IRQHandler, . - DMA2_IRQHandler + + .align 1 + .thumb_func + .weak DMA3_IRQHandler + .type DMA3_IRQHandler, %function +DMA3_IRQHandler: + ldr r0,=DMA3_DriverIRQHandler + bx r0 + .size DMA3_IRQHandler, . - DMA3_IRQHandler + + .align 1 + .thumb_func + .weak I2C0_IRQHandler + .type I2C0_IRQHandler, %function +I2C0_IRQHandler: + ldr r0,=I2C0_DriverIRQHandler + bx r0 + .size I2C0_IRQHandler, . - I2C0_IRQHandler + + .align 1 + .thumb_func + .weak I2C1_IRQHandler + .type I2C1_IRQHandler, %function +I2C1_IRQHandler: + ldr r0,=I2C1_DriverIRQHandler + bx r0 + .size I2C1_IRQHandler, . - I2C1_IRQHandler + + .align 1 + .thumb_func + .weak SPI0_IRQHandler + .type SPI0_IRQHandler, %function +SPI0_IRQHandler: + ldr r0,=SPI0_DriverIRQHandler + bx r0 + .size SPI0_IRQHandler, . - SPI0_IRQHandler + + .align 1 + .thumb_func + .weak SPI1_IRQHandler + .type SPI1_IRQHandler, %function +SPI1_IRQHandler: + ldr r0,=SPI1_DriverIRQHandler + bx r0 + .size SPI1_IRQHandler, . - SPI1_IRQHandler + + .align 1 + .thumb_func + .weak LPUART0_IRQHandler + .type LPUART0_IRQHandler, %function +LPUART0_IRQHandler: + ldr r0,=LPUART0_DriverIRQHandler + bx r0 + .size LPUART0_IRQHandler, . - LPUART0_IRQHandler + + .align 1 + .thumb_func + .weak LPUART1_IRQHandler + .type LPUART1_IRQHandler, %function +LPUART1_IRQHandler: + ldr r0,=LPUART1_DriverIRQHandler + bx r0 + .size LPUART1_IRQHandler, . - LPUART1_IRQHandler + + .align 1 + .thumb_func + .weak UART2_FLEXIO_IRQHandler + .type UART2_FLEXIO_IRQHandler, %function +UART2_FLEXIO_IRQHandler: + ldr r0,=UART2_FLEXIO_DriverIRQHandler + bx r0 + .size UART2_FLEXIO_IRQHandler, . - UART2_FLEXIO_IRQHandler + + +/* Macro to define default handlers. Default handler + * will be weak symbol and just dead loops. They can be + * overwritten by other handlers */ + .macro def_irq_handler handler_name + .weak \handler_name + .set \handler_name, DefaultISR + .endm + +/* Exception Handlers */ + def_irq_handler DMA0_DriverIRQHandler + def_irq_handler DMA1_DriverIRQHandler + def_irq_handler DMA2_DriverIRQHandler + def_irq_handler DMA3_DriverIRQHandler + def_irq_handler Reserved20_IRQHandler + def_irq_handler FTFA_IRQHandler + def_irq_handler PMC_IRQHandler + def_irq_handler LLWU_IRQHandler + def_irq_handler I2C0_DriverIRQHandler + def_irq_handler I2C1_DriverIRQHandler + def_irq_handler SPI0_DriverIRQHandler + def_irq_handler SPI1_DriverIRQHandler + def_irq_handler LPUART0_DriverIRQHandler + def_irq_handler LPUART1_DriverIRQHandler + def_irq_handler UART2_FLEXIO_DriverIRQHandler + def_irq_handler ADC0_IRQHandler + def_irq_handler CMP0_IRQHandler + def_irq_handler TPM0_IRQHandler + def_irq_handler TPM1_IRQHandler + def_irq_handler TPM2_IRQHandler + def_irq_handler RTC_IRQHandler + def_irq_handler RTC_Seconds_IRQHandler + def_irq_handler PIT_IRQHandler + def_irq_handler Reserved39_IRQHandler + def_irq_handler USB0_IRQHandler + def_irq_handler Reserved41_IRQHandler + def_irq_handler Reserved42_IRQHandler + def_irq_handler Reserved43_IRQHandler + def_irq_handler LPTMR0_IRQHandler + def_irq_handler Reserved45_IRQHandler + def_irq_handler PORTA_IRQHandler + def_irq_handler PORTBCDE_IRQHandler + + .end