- watchdog is timed out before disabling it by mbed startup - old booloader disable watchdog while new(2015/01) doesn'tpull/33/head
Jun Wako
11 years ago
parent
d23d95381a
commit
0d222db31f
@ -0,0 +1,259 @@
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/* File: startup_MK20D5.s
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* Purpose: startup file for Cortex-M4 devices. Should use with
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* GCC for ARM Embedded Processors
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* Version: V1.3
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* Date: 08 Feb 2012
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*
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* Copyright (c) 2012, ARM Limited
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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* Neither the name of the ARM Limited nor the
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names of its contributors may be used to endorse or promote products
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derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL ARM LIMITED BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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.syntax unified
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.arch armv7-m
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.section .stack
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.align 3
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#ifdef __STACK_SIZE
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.equ Stack_Size, __STACK_SIZE
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#else
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.equ Stack_Size, 0x400
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#endif
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.globl __StackTop
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.globl __StackLimit
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__StackLimit:
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.space Stack_Size
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.size __StackLimit, . - __StackLimit
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__StackTop:
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.size __StackTop, . - __StackTop
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.section .heap
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.align 3
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#ifdef __HEAP_SIZE
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.equ Heap_Size, __HEAP_SIZE
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#else
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.equ Heap_Size, 0xC00
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#endif
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.globl __HeapBase
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.globl __HeapLimit
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__HeapBase:
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.if Heap_Size
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.space Heap_Size
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.endif
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.size __HeapBase, . - __HeapBase
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__HeapLimit:
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.size __HeapLimit, . - __HeapLimit
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.section .isr_vector
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.align 2
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.globl __isr_vector
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__isr_vector:
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.long __StackTop /* Top of Stack */
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.long Reset_Handler /* Reset Handler */
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.long NMI_Handler /* NMI Handler */
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.long HardFault_Handler /* Hard Fault Handler */
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.long MemManage_Handler /* MPU Fault Handler */
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.long BusFault_Handler /* Bus Fault Handler */
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.long UsageFault_Handler /* Usage Fault Handler */
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.long 0 /* Reserved */
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.long 0 /* Reserved */
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.long 0 /* Reserved */
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.long 0 /* Reserved */
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.long SVC_Handler /* SVCall Handler */
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.long DebugMon_Handler /* Debug Monitor Handler */
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.long 0 /* Reserved */
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.long PendSV_Handler /* PendSV Handler */
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.long SysTick_Handler /* SysTick Handler */
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/* External interrupts */
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.long DMA0_IRQHandler /* 0: Watchdog Timer */
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.long DMA1_IRQHandler /* 1: Real Time Clock */
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.long DMA2_IRQHandler /* 2: Timer0 / Timer1 */
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.long DMA3_IRQHandler /* 3: Timer2 / Timer3 */
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.long DMA_Error_IRQHandler /* 4: MCIa */
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.long 0 /* 5: MCIb */
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.long FTFL_IRQHandler /* 6: UART0 - DUT FPGA */
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.long Read_Collision_IRQHandler /* 7: UART1 - DUT FPGA */
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.long LVD_LVW_IRQHandler /* 8: UART2 - DUT FPGA */
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.long LLW_IRQHandler /* 9: UART4 - not connected */
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.long Watchdog_IRQHandler /* 10: AACI / AC97 */
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.long I2C0_IRQHandler /* 11: CLCD Combined Interrupt */
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.long SPI0_IRQHandler /* 12: Ethernet */
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.long I2S0_Tx_IRQHandler /* 13: USB Device */
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.long I2S0_Rx_IRQHandler /* 14: USB Host Controller */
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.long UART0_LON_IRQHandler /* 15: Character LCD */
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.long UART0_RX_TX_IRQHandler /* 16: Flexray */
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.long UART0_ERR_IRQHandler /* 17: CAN */
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.long UART1_RX_TX_IRQHandler /* 18: LIN */
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.long UART1_ERR_IRQHandler /* 19: I2C ADC/DAC */
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.long UART2_RX_TX_IRQHandler /* 20: Reserved */
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.long UART2_ERR_IRQHandler /* 21: Reserved */
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.long ADC0_IRQHandler /* 22: Reserved */
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.long CMP0_IRQHandler /* 23: Reserved */
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.long CMP1_IRQHandler /* 24: Reserved */
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.long FTM0_IRQHandler /* 25: Reserved */
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.long FTM1_IRQHandler /* 26: Reserved */
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.long CMT_IRQHandler /* 27: Reserved */
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.long RTC_IRQHandler /* 28: Reserved - CPU FPGA CLCD */
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.long RTC_Seconds_IRQHandler /* 29: Reserved - CPU FPGA */
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.long PIT0_IRQHandler /* 30: UART3 - CPU FPGA */
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.long PIT1_IRQHandler /* 31: SPI Touchscreen - CPU FPGA */
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.long PIT2_IRQHandler
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.long PIT3_IRQHandler
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.long PDB0_IRQHandler
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.long USB0_IRQHandler
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.long USBDCD_IRQHandler
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.long TSI0_IRQHandler
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.long MCG_IRQHandler
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.long LPTimer_IRQHandler
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.long PORTA_IRQHandler
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.long PORTB_IRQHandler
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.long PORTC_IRQHandler
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.long PORTD_IRQHandler
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.long PORTE_IRQHandler
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.long SWI_IRQHandler
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.size __isr_vector, . - __isr_vector
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.section .text.Reset_Handler
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.thumb
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.thumb_func
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.align 2
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.globl Reset_Handler
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.type Reset_Handler, %function
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Reset_Handler:
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/* Loop to copy data from read only memory to RAM. The ranges
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* of copy from/to are specified by following symbols evaluated in
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* linker script.
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* __etext: End of code section, i.e., begin of data sections to copy from.
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* __data_start__/__data_end__: RAM address range that data should be
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* copied to. Both must be aligned to 4 bytes boundary. */
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ldr r0, =SystemInit
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blx r0
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ldr r1, =__etext
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ldr r2, =__data_start__
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ldr r3, =__data_end__
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.Lflash_to_ram_loop:
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cmp r2, r3
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ittt lt
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ldrlt r0, [r1], #4
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strlt r0, [r2], #4
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blt .Lflash_to_ram_loop
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.Lflash_to_ram_loop_end:
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ldr r0, =_start
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bx r0
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.pool
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.size Reset_Handler, . - Reset_Handler
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.text
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/* Macro to define default handlers. Default handler
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* will be weak symbol and just dead loops. They can be
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* overwritten by other handlers */
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.macro def_default_handler handler_name
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.align 1
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.thumb_func
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.weak \handler_name
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.type \handler_name, %function
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\handler_name :
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b .
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.size \handler_name, . - \handler_name
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.endm
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def_default_handler NMI_Handler
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def_default_handler HardFault_Handler
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def_default_handler MemManage_Handler
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def_default_handler BusFault_Handler
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def_default_handler UsageFault_Handler
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def_default_handler SVC_Handler
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def_default_handler DebugMon_Handler
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def_default_handler PendSV_Handler
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def_default_handler SysTick_Handler
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def_default_handler Default_Handler
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.macro def_irq_default_handler handler_name
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.weak \handler_name
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.set \handler_name, Default_Handler
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.endm
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def_irq_default_handler DMA0_IRQHandler
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def_irq_default_handler DMA1_IRQHandler
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def_irq_default_handler DMA2_IRQHandler
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def_irq_default_handler DMA3_IRQHandler
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def_irq_default_handler DMA_Error_IRQHandler
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def_irq_default_handler FTFL_IRQHandler
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def_irq_default_handler Read_Collision_IRQHandler
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def_irq_default_handler LVD_LVW_IRQHandler
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def_irq_default_handler LLW_IRQHandler
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def_irq_default_handler Watchdog_IRQHandler
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def_irq_default_handler I2C0_IRQHandler
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def_irq_default_handler SPI0_IRQHandler
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def_irq_default_handler I2S0_Tx_IRQHandler
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def_irq_default_handler I2S0_Rx_IRQHandler
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def_irq_default_handler UART0_LON_IRQHandler
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def_irq_default_handler UART0_RX_TX_IRQHandler
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def_irq_default_handler UART0_ERR_IRQHandler
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def_irq_default_handler UART1_RX_TX_IRQHandler
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def_irq_default_handler UART1_ERR_IRQHandler
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def_irq_default_handler UART2_RX_TX_IRQHandler
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def_irq_default_handler UART2_ERR_IRQHandler
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def_irq_default_handler ADC0_IRQHandler
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def_irq_default_handler CMP0_IRQHandler
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def_irq_default_handler CMP1_IRQHandler
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def_irq_default_handler FTM0_IRQHandler
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def_irq_default_handler FTM1_IRQHandler
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def_irq_default_handler CMT_IRQHandler
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def_irq_default_handler RTC_IRQHandler
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def_irq_default_handler RTC_Seconds_IRQHandler
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def_irq_default_handler PIT0_IRQHandler
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def_irq_default_handler PIT1_IRQHandler
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def_irq_default_handler PIT2_IRQHandler
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def_irq_default_handler PIT3_IRQHandler
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def_irq_default_handler PDB0_IRQHandler
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def_irq_default_handler USB0_IRQHandler
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def_irq_default_handler USBDCD_IRQHandler
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def_irq_default_handler TSI0_IRQHandler
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def_irq_default_handler MCG_IRQHandler
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def_irq_default_handler LPTimer_IRQHandler
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def_irq_default_handler PORTA_IRQHandler
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def_irq_default_handler PORTB_IRQHandler
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def_irq_default_handler PORTC_IRQHandler
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def_irq_default_handler PORTD_IRQHandler
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def_irq_default_handler PORTE_IRQHandler
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def_irq_default_handler SWI_IRQHandler
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def_irq_default_handler DEF_IRQHandler
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/* Flash protection region, placed at 0x400 */
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.text
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.thumb
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.align 2
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.section .kinetis_flash_config_field,"a",%progbits
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kinetis_flash_config:
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.long 0xffffffff
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.long 0xffffffff
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.long 0xffffffff
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.long 0xfffffffe
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.end
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