Initial project setup

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/*
** ###################################################################
** Processors: MKL25Z128VFM4
** MKL25Z128VFT4
** MKL25Z128VLH4
** MKL25Z128VLK4
**
** Compiler: GNU C Compiler
** Reference manual: KL25P80M48SF0RM, Rev.3, Sep 2012
** Version: rev. 2.5, 2015-02-19
** Build: b170214
**
** Abstract:
** Linker file for the GNU C Compiler
**
** Copyright 2016 Freescale Semiconductor, Inc.
** Copyright 2016-2017 NXP
** 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 the copyright holder 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.
**
** http: www.nxp.com
** mail: support@nxp.com
**
** ###################################################################
*/
/* Entry Point */
ENTRY(Reset_Handler)
HEAP_SIZE = DEFINED(__heap_size__) ? __heap_size__ : 0x0400;
STACK_SIZE = DEFINED(__stack_size__) ? __stack_size__ : 0x0400;
M_VECTOR_RAM_SIZE = DEFINED(__ram_vector_table__) ? 0x0200 : 0x0;
/* Specify the memory areas */
MEMORY
{
m_interrupts (RX) : ORIGIN = 0x00000000, LENGTH = 0x00000200
m_flash_config (RX) : ORIGIN = 0x00000400, LENGTH = 0x00000010
m_text (RX) : ORIGIN = 0x00000410, LENGTH = 0x0001FBF0
m_data (RW) : ORIGIN = 0x1FFFF000, LENGTH = 0x00004000
}
/* Define output sections */
SECTIONS
{
/* The startup code goes first into internal flash */
.interrupts :
{
__VECTOR_TABLE = .;
. = ALIGN(4);
KEEP(*(.isr_vector)) /* Startup code */
. = ALIGN(4);
} > m_interrupts
.flash_config :
{
. = ALIGN(4);
KEEP(*(.FlashConfig)) /* Flash Configuration Field (FCF) */
. = ALIGN(4);
} > m_flash_config
/* The program code and other data goes into internal flash */
.text :
{
. = ALIGN(4);
*(.text) /* .text sections (code) */
*(.text*) /* .text* sections (code) */
*(.rodata) /* .rodata sections (constants, strings, etc.) */
*(.rodata*) /* .rodata* sections (constants, strings, etc.) */
*(.glue_7) /* glue arm to thumb code */
*(.glue_7t) /* glue thumb to arm code */
*(.eh_frame)
KEEP (*(.init))
KEEP (*(.fini))
. = ALIGN(4);
} > m_text
.ARM.extab :
{
*(.ARM.extab* .gnu.linkonce.armextab.*)
} > m_text
.ARM :
{
__exidx_start = .;
*(.ARM.exidx*)
__exidx_end = .;
} > m_text
.ctors :
{
__CTOR_LIST__ = .;
/* gcc uses crtbegin.o to find the start of
the constructors, so we make sure it is
first. Because this is a wildcard, it
doesn't matter if the user does not
actually link against crtbegin.o; the
linker won't look for a file to match a
wildcard. The wildcard also means that it
doesn't matter which directory crtbegin.o
is in. */
KEEP (*crtbegin.o(.ctors))
KEEP (*crtbegin?.o(.ctors))
/* We don't want to include the .ctor section from
from the crtend.o file until after the sorted ctors.
The .ctor section from the crtend file contains the
end of ctors marker and it must be last */
KEEP (*(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors))
KEEP (*(SORT(.ctors.*)))
KEEP (*(.ctors))
__CTOR_END__ = .;
} > m_text
.dtors :
{
__DTOR_LIST__ = .;
KEEP (*crtbegin.o(.dtors))
KEEP (*crtbegin?.o(.dtors))
KEEP (*(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors))
KEEP (*(SORT(.dtors.*)))
KEEP (*(.dtors))
__DTOR_END__ = .;
} > m_text
.preinit_array :
{
PROVIDE_HIDDEN (__preinit_array_start = .);
KEEP (*(.preinit_array*))
PROVIDE_HIDDEN (__preinit_array_end = .);
} > m_text
.init_array :
{
PROVIDE_HIDDEN (__init_array_start = .);
KEEP (*(SORT(.init_array.*)))
KEEP (*(.init_array*))
PROVIDE_HIDDEN (__init_array_end = .);
} > m_text
.fini_array :
{
PROVIDE_HIDDEN (__fini_array_start = .);
KEEP (*(SORT(.fini_array.*)))
KEEP (*(.fini_array*))
PROVIDE_HIDDEN (__fini_array_end = .);
} > m_text
__etext = .; /* define a global symbol at end of code */
__DATA_ROM = .; /* Symbol is used by startup for data initialization */
/* reserve MTB memory at the beginning of m_data */
.mtb : /* MTB buffer address as defined by the hardware */
{
. = ALIGN(8);
_mtb_start = .;
KEEP(*(.mtb_buf)) /* need to KEEP Micro Trace Buffer as not referenced by application */
. = ALIGN(8);
_mtb_end = .;
} > m_data
.interrupts_ram :
{
. = ALIGN(4);
__VECTOR_RAM__ = .;
__interrupts_ram_start__ = .; /* Create a global symbol at data start */
*(.m_interrupts_ram) /* This is a user defined section */
. += M_VECTOR_RAM_SIZE;
. = ALIGN(4);
__interrupts_ram_end__ = .; /* Define a global symbol at data end */
} > m_data
__VECTOR_RAM = DEFINED(__ram_vector_table__) ? __VECTOR_RAM__ : ORIGIN(m_interrupts);
__RAM_VECTOR_TABLE_SIZE_BYTES = DEFINED(__ram_vector_table__) ? (__interrupts_ram_end__ - __interrupts_ram_start__) : 0x0;
.data : AT(__DATA_ROM)
{
. = ALIGN(4);
__DATA_RAM = .;
__data_start__ = .; /* create a global symbol at data start */
*(.data) /* .data sections */
*(.data*) /* .data* sections */
KEEP(*(.jcr*))
. = ALIGN(4);
__data_end__ = .; /* define a global symbol at data end */
} > m_data
__DATA_END = __DATA_ROM + (__data_end__ - __data_start__);
text_end = ORIGIN(m_text) + LENGTH(m_text);
ASSERT(__DATA_END <= text_end, "region m_text overflowed with text and data")
/* Uninitialized data section */
.bss :
{
/* This is used by the startup in order to initialize the .bss section */
. = ALIGN(4);
__START_BSS = .;
__bss_start__ = .;
*(.bss)
*(.bss*)
*(COMMON)
. = ALIGN(4);
__bss_end__ = .;
__END_BSS = .;
} > m_data
.heap :
{
. = ALIGN(8);
__end__ = .;
PROVIDE(end = .);
__HeapBase = .;
. += HEAP_SIZE;
__HeapLimit = .;
__heap_limit = .; /* Add for _sbrk */
} > m_data
.stack :
{
. = ALIGN(8);
. += STACK_SIZE;
} > m_data
/* Initializes stack on the end of block */
__StackTop = ORIGIN(m_data) + LENGTH(m_data);
__StackLimit = __StackTop - STACK_SIZE;
PROVIDE(__stack = __StackTop);
.ARM.attributes 0 : { *(.ARM.attributes) }
ASSERT(__StackLimit >= __HeapLimit, "region m_data overflowed with stack and heap")
}

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/* ---------------------------------------------------------------------------------------*/
/* @file: startup_MKL25Z4.s */
/* @purpose: CMSIS Cortex-M0P Core Device Startup File */
/* MKL25Z4 */
/* @version: 2.5 */
/* @date: 2015-2-19 */
/* @build: b170112 */
/* ---------------------------------------------------------------------------------------*/
/* */
/* Copyright (c) 1997 - 2016, Freescale Semiconductor, Inc. */
/* Copyright 2016 - 2017 NXP */
/* 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 the copyright holder 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 LVD_LVW_IRQHandler /* Low-voltage detect, low-voltage warning*/
.long LLWU_IRQHandler /* Low leakage wakeup Unit*/
.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 UART0_IRQHandler /* UART0 status and error*/
.long UART1_IRQHandler /* UART1 status and error*/
.long UART2_IRQHandler /* UART2 status and error*/
.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 DAC0_IRQHandler /* DAC0 interrupt*/
.long TSI0_IRQHandler /* TSI0 interrupt*/
.long MCG_IRQHandler /* MCG interrupt*/
.long LPTMR0_IRQHandler /* LPTMR0 interrupt*/
.long Reserved45_IRQHandler /* Reserved interrupt*/
.long PORTA_IRQHandler /* PORTA Pin detect*/
.long PORTD_IRQHandler /* PORTD Pin detect*/
.size __isr_vector, . - __isr_vector
/* Flash Configuration */
.section .FlashConfig, "a"
.long 0xFFFFFFFF
.long 0xFFFFFFFF
.long 0xFFFFFFFF
.long 0xFFFFFFFE
.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]
ldr r2, [r1]
msr msp, r2
#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 UART0_IRQHandler
.type UART0_IRQHandler, %function
UART0_IRQHandler:
ldr r0,=UART0_DriverIRQHandler
bx r0
.size UART0_IRQHandler, . - UART0_IRQHandler
.align 1
.thumb_func
.weak UART1_IRQHandler
.type UART1_IRQHandler, %function
UART1_IRQHandler:
ldr r0,=UART1_DriverIRQHandler
bx r0
.size UART1_IRQHandler, . - UART1_IRQHandler
.align 1
.thumb_func
.weak UART2_IRQHandler
.type UART2_IRQHandler, %function
UART2_IRQHandler:
ldr r0,=UART2_DriverIRQHandler
bx r0
.size UART2_IRQHandler, . - UART2_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 LVD_LVW_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 UART0_DriverIRQHandler
def_irq_handler UART1_DriverIRQHandler
def_irq_handler UART2_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 DAC0_IRQHandler
def_irq_handler TSI0_IRQHandler
def_irq_handler MCG_IRQHandler
def_irq_handler LPTMR0_IRQHandler
def_irq_handler Reserved45_IRQHandler
def_irq_handler PORTA_IRQHandler
def_irq_handler PORTD_IRQHandler
.end