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startup_MKL25Z4.s
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;/*****************************************************************************
; * @file: startup_MKL25Z4.s
; * @purpose: CMSIS Cortex-M0plus Core Device Startup File for the
; * MKL25Z4
; * @version: 1.4
; * @date: 2012-11-22
; *
; * Copyright: 1997 - 2012 Freescale Semiconductor, Inc. All Rights Reserved.
;*
; *------- <<< Use Configuration Wizard in Context Menu >>> ------------------
; *
; *****************************************************************************/
; <h> Stack Configuration
; <o> Stack Size (in Bytes) <0x0-0xFFFFFFFF:8>
; </h>
Stack_Size EQU 0x00000400
AREA STACK, NOINIT, READWRITE, ALIGN=3
Stack_Mem SPACE Stack_Size
__initial_sp
; <h> Heap Configuration
; <o> Heap Size (in Bytes) <0x0-0xFFFFFFFF:8>
; </h>
Heap_Size EQU 0x00000000
AREA HEAP, NOINIT, READWRITE, ALIGN=3
__heap_base
Heap_Mem SPACE Heap_Size
__heap_limit
PRESERVE8
THUMB
; Vector Table Mapped to Address 0 at Reset
AREA RESET, DATA, READONLY
EXPORT __Vectors
EXPORT __Vectors_End
EXPORT __Vectors_Size
__Vectors DCD __initial_sp ; Top of Stack
DCD Reset_Handler ; Reset Handler
DCD NMI_Handler ; NMI Handler
DCD HardFault_Handler ; Hard Fault Handler
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD SVC_Handler ; SVCall Handler
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD PendSV_Handler ; PendSV Handler
DCD SysTick_Handler ; SysTick Handler
; External Interrupts
DCD DMA0_IRQHandler ; DMA channel 0 transfer complete/error interrupt
DCD DMA1_IRQHandler ; DMA channel 1 transfer complete/error interrupt
DCD DMA2_IRQHandler ; DMA channel 2 transfer complete/error interrupt
DCD DMA3_IRQHandler ; DMA channel 3 transfer complete/error interrupt
DCD Reserved20_IRQHandler ; Reserved interrupt 20
DCD FTFA_IRQHandler ; FTFA command complete/read collision interrupt
DCD LVD_LVW_IRQHandler ; Low Voltage Detect, Low Voltage Warning
DCD LLW_IRQHandler ; Low Leakage Wakeup
DCD I2C0_IRQHandler ; I2C0 interrupt
DCD I2C1_IRQHandler ; I2C0 interrupt 25
DCD SPI0_IRQHandler ; SPI0 interrupt
DCD SPI1_IRQHandler ; SPI1 interrupt
DCD UART0_IRQHandler ; UART0 status/error interrupt
DCD UART1_IRQHandler ; UART1 status/error interrupt
DCD UART2_IRQHandler ; UART2 status/error interrupt
DCD ADC0_IRQHandler ; ADC0 interrupt
DCD CMP0_IRQHandler ; CMP0 interrupt
DCD TPM0_IRQHandler ; TPM0 fault, overflow and channels interrupt
DCD TPM1_IRQHandler ; TPM1 fault, overflow and channels interrupt
DCD TPM2_IRQHandler ; TPM2 fault, overflow and channels interrupt
DCD RTC_IRQHandler ; RTC interrupt
DCD RTC_Seconds_IRQHandler ; RTC seconds interrupt
DCD PIT_IRQHandler ; PIT timer interrupt
DCD Reserved39_IRQHandler ; Reserved interrupt 39
DCD USB0_IRQHandler ; USB0 interrupt
DCD DAC0_IRQHandler ; DAC0 interrupt
DCD TSI0_IRQHandler ; TSI0 interrupt
DCD MCG_IRQHandler ; MCG interrupt
DCD LPTimer_IRQHandler ; LPTimer interrupt
DCD Reserved45_IRQHandler ; Reserved interrupt 45
DCD PORTA_IRQHandler ; Port A interrupt
DCD PORTD_IRQHandler ; Port D interrupt
__Vectors_End
__Vectors_Size EQU __Vectors_End - __Vectors
; <h> Flash Configuration
; <i> 16-byte flash configuration field that stores default protection settings (loaded on reset)
; <i> and security information that allows the MCU to restrict acces to the FTFL module.
; <h> Backdoor Comparison Key
; <o0> Backdoor Key 0 <0x0-0xFF:2>
; <o1> Backdoor Key 1 <0x0-0xFF:2>
; <o2> Backdoor Key 2 <0x0-0xFF:2>
; <o3> Backdoor Key 3 <0x0-0xFF:2>
; <o4> Backdoor Key 4 <0x0-0xFF:2>
; <o5> Backdoor Key 5 <0x0-0xFF:2>
; <o6> Backdoor Key 6 <0x0-0xFF:2>
; <o7> Backdoor Key 7 <0x0-0xFF:2>
BackDoorK0 EQU 0xFF
BackDoorK1 EQU 0xFF
BackDoorK2 EQU 0xFF
BackDoorK3 EQU 0xFF
BackDoorK4 EQU 0xFF
BackDoorK5 EQU 0xFF
BackDoorK6 EQU 0xFF
BackDoorK7 EQU 0xFF
; </h>
; <h> Program flash protection bytes (FPROT)
; <i> Each program flash region can be protected from program and erase operation by setting the associated PROT bit.
; <i> Each bit protects a 1/32 region of the program flash memory.
; <h> FPROT0
; <i> Program flash protection bytes
; <i> 1/32 - 8/32 region
; <o.0> FPROT0.0
; <o.1> FPROT0.1
; <o.2> FPROT0.2
; <o.3> FPROT0.3
; <o.4> FPROT0.4
; <o.5> FPROT0.5
; <o.6> FPROT0.6
; <o.7> FPROT0.7
nFPROT0 EQU 0x00
FPROT0 EQU nFPROT0:EOR:0xFF
; </h>
; <h> FPROT1
; <i> Program Flash Region Protect Register 1
; <i> 9/32 - 16/32 region
; <o.0> FPROT1.0
; <o.1> FPROT1.1
; <o.2> FPROT1.2
; <o.3> FPROT1.3
; <o.4> FPROT1.4
; <o.5> FPROT1.5
; <o.6> FPROT1.6
; <o.7> FPROT1.7
nFPROT1 EQU 0x00
FPROT1 EQU nFPROT1:EOR:0xFF
; </h>
; <h> FPROT2
; <i> Program Flash Region Protect Register 2
; <i> 17/32 - 24/32 region
; <o.0> FPROT2.0
; <o.1> FPROT2.1
; <o.2> FPROT2.2
; <o.3> FPROT2.3
; <o.4> FPROT2.4
; <o.5> FPROT2.5
; <o.6> FPROT2.6
; <o.7> FPROT2.7
nFPROT2 EQU 0x00
FPROT2 EQU nFPROT2:EOR:0xFF
; </h>
; <h> FPROT3
; <i> Program Flash Region Protect Register 3
; <i> 25/32 - 32/32 region
; <o.0> FPROT3.0
; <o.1> FPROT3.1
; <o.2> FPROT3.2
; <o.3> FPROT3.3
; <o.4> FPROT3.4
; <o.5> FPROT3.5
; <o.6> FPROT3.6
; <o.7> FPROT3.7
nFPROT3 EQU 0x00
FPROT3 EQU nFPROT3:EOR:0xFF
; </h>
; </h>
; </h>
; <h> Flash nonvolatile option byte (FOPT)
; <i> Allows the user to customize the operation of the MCU at boot time.
; <o.0> LPBOOT0
; <0=> Core and system clock divider (OUTDIV1) is 0x7 (divide by 8) or 0x3 (divide by 4)
; <1=> Core and system clock divider (OUTDIV1) is 0x1 (divide by 2) or 0x0 (divide by 1)
; <o.4> LPBOOT1
; <0=> Core and system clock divider (OUTDIV1) is 0x7 (divide by 8) or 0x1 (divide by 2)
; <1=> Core and system clock divider (OUTDIV1) is 0x3 (divide by 4) or 0x0 (divide by 1)
; <o.2> NMI_DIS
; <0=> NMI interrupts are always blocked
; <1=> NMI pin/interrupts reset default to enabled
; <o.3> RESET_PIN_CFG
; <0=> RESET pin is disabled following a POR and cannot be enabled as RESET function
; <1=> RESET pin is dedicated
; <o.3> FAST_INIT
; <0=> Slower initialization
; <1=> Fast Initialization
FOPT EQU 0xFF
; </h>
; <h> Flash security byte (FSEC)
; <i> WARNING: If SEC field is configured as "MCU security status is secure" and MEEN field is configured as "Mass erase is disabled",
; <i> MCU's security status cannot be set back to unsecure state since Mass erase via the debugger is blocked !!!
; <o.0..1> SEC
; <2=> MCU security status is unsecure
; <3=> MCU security status is secure
; <i> Flash Security
; <i> This bits define the security state of the MCU.
; <o.2..3> FSLACC
; <2=> Freescale factory access denied
; <3=> Freescale factory access granted
; <i> Freescale Failure Analysis Access Code
; <i> This bits define the security state of the MCU.
; <o.4..5> MEEN
; <2=> Mass erase is disabled
; <3=> Mass erase is enabled
; <i> Mass Erase Enable Bits
; <i> Enables and disables mass erase capability of the FTFL module
; <o.6..7> KEYEN
; <2=> Backdoor key access enabled
; <3=> Backdoor key access disabled
; <i> Backdoor key Security Enable
; <i> These bits enable and disable backdoor key access to the FTFL module.
FSEC EQU 0xFE
; </h>
IF :LNOT::DEF:RAM_TARGET
AREA |.ARM.__at_0x400|, CODE, READONLY
DCB BackDoorK0, BackDoorK1, BackDoorK2, BackDoorK3
DCB BackDoorK4, BackDoorK5, BackDoorK6, BackDoorK7
DCB FPROT0, FPROT1, FPROT2, FPROT3
DCB FSEC, FOPT, 0xFF, 0xFF
ENDIF
AREA |.text|, CODE, READONLY
; Reset Handler
Reset_Handler PROC
EXPORT Reset_Handler [WEAK]
IMPORT SystemInit
IMPORT __main
LDR R0, =SystemInit
BLX R0
LDR R0, =__main
BX R0
ENDP
; Dummy Exception Handlers (infinite loops which can be modified)
NMI_Handler PROC
EXPORT NMI_Handler [WEAK]
B .
ENDP
HardFault_Handler\
PROC
EXPORT HardFault_Handler [WEAK]
B .
ENDP
SVC_Handler PROC
EXPORT SVC_Handler [WEAK]
B .
ENDP
PendSV_Handler PROC
EXPORT PendSV_Handler [WEAK]
B .
ENDP
SysTick_Handler PROC
EXPORT SysTick_Handler [WEAK]
B .
ENDP
Default_Handler PROC
EXPORT DMA0_IRQHandler [WEAK]
EXPORT DMA1_IRQHandler [WEAK]
EXPORT DMA2_IRQHandler [WEAK]
EXPORT DMA3_IRQHandler [WEAK]
EXPORT Reserved20_IRQHandler [WEAK]
EXPORT FTFA_IRQHandler [WEAK]
EXPORT LVD_LVW_IRQHandler [WEAK]
EXPORT LLW_IRQHandler [WEAK]
EXPORT I2C0_IRQHandler [WEAK]
EXPORT I2C1_IRQHandler [WEAK]
EXPORT SPI0_IRQHandler [WEAK]
EXPORT SPI1_IRQHandler [WEAK]
EXPORT UART0_IRQHandler [WEAK]
EXPORT UART1_IRQHandler [WEAK]
EXPORT UART2_IRQHandler [WEAK]
EXPORT ADC0_IRQHandler [WEAK]
EXPORT CMP0_IRQHandler [WEAK]
EXPORT TPM0_IRQHandler [WEAK]
EXPORT TPM1_IRQHandler [WEAK]
EXPORT TPM2_IRQHandler [WEAK]
EXPORT RTC_IRQHandler [WEAK]
EXPORT RTC_Seconds_IRQHandler [WEAK]
EXPORT PIT_IRQHandler [WEAK]
EXPORT Reserved39_IRQHandler [WEAK]
EXPORT USB0_IRQHandler [WEAK]
EXPORT DAC0_IRQHandler [WEAK]
EXPORT TSI0_IRQHandler [WEAK]
EXPORT MCG_IRQHandler [WEAK]
EXPORT LPTimer_IRQHandler [WEAK]
EXPORT Reserved45_IRQHandler [WEAK]
EXPORT PORTA_IRQHandler [WEAK]
EXPORT PORTD_IRQHandler [WEAK]
EXPORT DefaultISR [WEAK]
DMA0_IRQHandler
DMA1_IRQHandler
DMA2_IRQHandler
DMA3_IRQHandler
Reserved20_IRQHandler
FTFA_IRQHandler
LVD_LVW_IRQHandler
LLW_IRQHandler
I2C0_IRQHandler
I2C1_IRQHandler
SPI0_IRQHandler
SPI1_IRQHandler
UART0_IRQHandler
UART1_IRQHandler
UART2_IRQHandler
ADC0_IRQHandler
CMP0_IRQHandler
TPM0_IRQHandler
TPM1_IRQHandler
TPM2_IRQHandler
RTC_IRQHandler
RTC_Seconds_IRQHandler
PIT_IRQHandler
Reserved39_IRQHandler
USB0_IRQHandler
DAC0_IRQHandler
TSI0_IRQHandler
MCG_IRQHandler
LPTimer_IRQHandler
Reserved45_IRQHandler
PORTA_IRQHandler
PORTD_IRQHandler
DefaultISR
B .
ENDP
ALIGN
; User Initial Stack & Heap
IF :DEF:__MICROLIB
EXPORT __initial_sp
EXPORT __heap_base
EXPORT __heap_limit
ELSE
IMPORT __use_two_region_memory
EXPORT __user_initial_stackheap
__user_initial_stackheap
LDR R0, = Heap_Mem
LDR R1, =(Stack_Mem + Stack_Size)
LDR R2, = (Heap_Mem + Heap_Size)
LDR R3, = Stack_Mem
BX LR
ALIGN
ENDIF
END