Files
zOS/startup/zos_k64f_crt0.s

508 lines
29 KiB
ArmAsm

/* ---------------------------------------------------------------------------------------*/
/* @file: startup_MK64F12.s */
/* @purpose: CMSIS Cortex-M4 Core Device Startup File */
/* MK64F12 */
/* @version: 2.5 */
/* @date: 2014-2-10 */
/* @build: b140606 */
/* ---------------------------------------------------------------------------------------*/
/* */
/* Copyright (c) 1997 - 2014 , 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 armv7-m
.section .isr_vector, "a"
.align 2
.global __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 MemManage_Handler /* MPU Fault Handler*/
.long BusFault_Handler /* Bus Fault Handler*/
.long UsageFault_Handler /* Usage Fault Handler*/
.long 0 /* Reserved*/
.long 0 /* Reserved*/
.long 0 /* Reserved*/
.long 0 /* Reserved*/
.long SVC_Handler /* SVCall Handler*/
.long DebugMon_Handler /* Debug Monitor Handler*/
.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 DMA4_IRQHandler /* DMA Channel 4 Transfer Complete*/
.long DMA5_IRQHandler /* DMA Channel 5 Transfer Complete*/
.long DMA6_IRQHandler /* DMA Channel 6 Transfer Complete*/
.long DMA7_IRQHandler /* DMA Channel 7 Transfer Complete*/
.long DMA8_IRQHandler /* DMA Channel 8 Transfer Complete*/
.long DMA9_IRQHandler /* DMA Channel 9 Transfer Complete*/
.long DMA10_IRQHandler /* DMA Channel 10 Transfer Complete*/
.long DMA11_IRQHandler /* DMA Channel 11 Transfer Complete*/
.long DMA12_IRQHandler /* DMA Channel 12 Transfer Complete*/
.long DMA13_IRQHandler /* DMA Channel 13 Transfer Complete*/
.long DMA14_IRQHandler /* DMA Channel 14 Transfer Complete*/
.long DMA15_IRQHandler /* DMA Channel 15 Transfer Complete*/
.long DMA_Error_IRQHandler /* DMA Error Interrupt*/
.long MCM_IRQHandler /* Normal Interrupt*/
.long FTFE_IRQHandler /* FTFE Command complete interrupt*/
.long Read_Collision_IRQHandler /* Read Collision Interrupt*/
.long LVD_LVW_IRQHandler /* Low Voltage Detect, Low Voltage Warning*/
.long LLW_IRQHandler /* Low Leakage Wakeup*/
.long Watchdog_IRQHandler /* WDOG Interrupt*/
.long RNG_IRQHandler /* RNG Interrupt*/
.long I2C0_IRQHandler /* I2C0 interrupt*/
.long I2C1_IRQHandler /* I2C1 interrupt*/
.long SPI0_IRQHandler /* SPI0 Interrupt*/
.long SPI1_IRQHandler /* SPI1 Interrupt*/
.long I2S0_Tx_IRQHandler /* I2S0 transmit interrupt*/
.long I2S0_Rx_IRQHandler /* I2S0 receive interrupt*/
.long UART0_LON_IRQHandler /* UART0 LON interrupt*/
.long UART0_RX_TX_IRQHandler /* UART0 Receive/Transmit interrupt*/
.long UART0_ERR_IRQHandler /* UART0 Error interrupt*/
.long UART1_RX_TX_IRQHandler /* UART1 Receive/Transmit interrupt*/
.long UART1_ERR_IRQHandler /* UART1 Error interrupt*/
.long UART2_RX_TX_IRQHandler /* UART2 Receive/Transmit interrupt*/
.long UART2_ERR_IRQHandler /* UART2 Error interrupt*/
.long UART3_RX_TX_IRQHandler /* UART3 Receive/Transmit interrupt*/
.long UART3_ERR_IRQHandler /* UART3 Error interrupt*/
.long ADC0_IRQHandler /* ADC0 interrupt*/
.long CMP0_IRQHandler /* CMP0 interrupt*/
.long CMP1_IRQHandler /* CMP1 interrupt*/
.long FTM0_IRQHandler /* FTM0 fault, overflow and channels interrupt*/
.long FTM1_IRQHandler /* FTM1 fault, overflow and channels interrupt*/
.long FTM2_IRQHandler /* FTM2 fault, overflow and channels interrupt*/
.long CMT_IRQHandler /* CMT interrupt*/
.long RTC_IRQHandler /* RTC interrupt*/
.long RTC_Seconds_IRQHandler /* RTC seconds interrupt*/
.long PIT0_IRQHandler /* PIT timer channel 0 interrupt*/
.long PIT1_IRQHandler /* PIT timer channel 1 interrupt*/
.long PIT2_IRQHandler /* PIT timer channel 2 interrupt*/
.long PIT3_IRQHandler /* PIT timer channel 3 interrupt*/
.long PDB0_IRQHandler /* PDB0 Interrupt*/
.long USB0_IRQHandler /* USB0 interrupt*/
.long USBDCD_IRQHandler /* USBDCD Interrupt*/
.long Reserved71_IRQHandler /* Reserved interrupt 71*/
.long DAC0_IRQHandler /* DAC0 interrupt*/
.long MCG_IRQHandler /* MCG Interrupt*/
.long LPTimer_IRQHandler /* LPTimer interrupt*/
.long PORTA_IRQHandler /* Port A interrupt*/
.long PORTB_IRQHandler /* Port B interrupt*/
.long PORTC_IRQHandler /* Port C interrupt*/
.long PORTD_IRQHandler /* Port D interrupt*/
.long PORTE_IRQHandler /* Port E interrupt*/
.long SWI_IRQHandler /* Software interrupt*/
.long SPI2_IRQHandler /* SPI2 Interrupt*/
.long UART4_RX_TX_IRQHandler /* UART4 Receive/Transmit interrupt*/
.long UART4_ERR_IRQHandler /* UART4 Error interrupt*/
.long UART5_RX_TX_IRQHandler /* UART5 Receive/Transmit interrupt*/
.long UART5_ERR_IRQHandler /* UART5 Error interrupt*/
.long CMP2_IRQHandler /* CMP2 interrupt*/
.long FTM3_IRQHandler /* FTM3 fault, overflow and channels interrupt*/
.long DAC1_IRQHandler /* DAC1 interrupt*/
.long ADC1_IRQHandler /* ADC1 interrupt*/
.long I2C2_IRQHandler /* I2C2 interrupt*/
.long CAN0_ORed_Message_buffer_IRQHandler /* CAN0 OR'd message buffers interrupt*/
.long CAN0_Bus_Off_IRQHandler /* CAN0 bus off interrupt*/
.long CAN0_Error_IRQHandler /* CAN0 error interrupt*/
.long CAN0_Tx_Warning_IRQHandler /* CAN0 Tx warning interrupt*/
.long CAN0_Rx_Warning_IRQHandler /* CAN0 Rx warning interrupt*/
.long CAN0_Wake_Up_IRQHandler /* CAN0 wake up interrupt*/
.long SDHC_IRQHandler /* SDHC interrupt*/
.long ENET_1588_Timer_IRQHandler /* Ethernet MAC IEEE 1588 Timer Interrupt*/
.long ENET_Transmit_IRQHandler /* Ethernet MAC Transmit Interrupt*/
.long ENET_Receive_IRQHandler /* Ethernet MAC Receive Interrupt*/
.long ENET_Error_IRQHandler /* Ethernet MAC Error and miscelaneous Interrupt*/
.long DefaultISR /* 102*/
.long DefaultISR /* 103*/
.long DefaultISR /* 104*/
.long DefaultISR /* 105*/
.long DefaultISR /* 106*/
.long DefaultISR /* 107*/
.long DefaultISR /* 108*/
.long DefaultISR /* 109*/
.long DefaultISR /* 110*/
.long DefaultISR /* 111*/
.long DefaultISR /* 112*/
.long DefaultISR /* 113*/
.long DefaultISR /* 114*/
.long DefaultISR /* 115*/
.long DefaultISR /* 116*/
.long DefaultISR /* 117*/
.long DefaultISR /* 118*/
.long DefaultISR /* 119*/
.long DefaultISR /* 120*/
.long DefaultISR /* 121*/
.long DefaultISR /* 122*/
.long DefaultISR /* 123*/
.long DefaultISR /* 124*/
.long DefaultISR /* 125*/
.long DefaultISR /* 126*/
.long DefaultISR /* 127*/
.long DefaultISR /* 128*/
.long DefaultISR /* 129*/
.long DefaultISR /* 130*/
.long DefaultISR /* 131*/
.long DefaultISR /* 132*/
.long DefaultISR /* 133*/
.long DefaultISR /* 134*/
.long DefaultISR /* 135*/
.long DefaultISR /* 136*/
.long DefaultISR /* 137*/
.long DefaultISR /* 138*/
.long DefaultISR /* 139*/
.long DefaultISR /* 140*/
.long DefaultISR /* 141*/
.long DefaultISR /* 142*/
.long DefaultISR /* 143*/
.long DefaultISR /* 144*/
.long DefaultISR /* 145*/
.long DefaultISR /* 146*/
.long DefaultISR /* 147*/
.long DefaultISR /* 148*/
.long DefaultISR /* 149*/
.long DefaultISR /* 150*/
.long DefaultISR /* 151*/
.long DefaultISR /* 152*/
.long DefaultISR /* 153*/
.long DefaultISR /* 154*/
.long DefaultISR /* 155*/
.long DefaultISR /* 156*/
.long DefaultISR /* 157*/
.long DefaultISR /* 158*/
.long DefaultISR /* 159*/
.long DefaultISR /* 160*/
.long DefaultISR /* 161*/
.long DefaultISR /* 162*/
.long DefaultISR /* 163*/
.long DefaultISR /* 164*/
.long DefaultISR /* 165*/
.long DefaultISR /* 166*/
.long DefaultISR /* 167*/
.long DefaultISR /* 168*/
.long DefaultISR /* 169*/
.long DefaultISR /* 170*/
.long DefaultISR /* 171*/
.long DefaultISR /* 172*/
.long DefaultISR /* 173*/
.long DefaultISR /* 174*/
.long DefaultISR /* 175*/
.long DefaultISR /* 176*/
.long DefaultISR /* 177*/
.long DefaultISR /* 178*/
.long DefaultISR /* 179*/
.long DefaultISR /* 180*/
.long DefaultISR /* 181*/
.long DefaultISR /* 182*/
.long DefaultISR /* 183*/
.long DefaultISR /* 184*/
.long DefaultISR /* 185*/
.long DefaultISR /* 186*/
.long DefaultISR /* 187*/
.long DefaultISR /* 188*/
.long DefaultISR /* 189*/
.long DefaultISR /* 190*/
.long DefaultISR /* 191*/
.long DefaultISR /* 192*/
.long DefaultISR /* 193*/
.long DefaultISR /* 194*/
.long DefaultISR /* 195*/
.long DefaultISR /* 196*/
.long DefaultISR /* 197*/
.long DefaultISR /* 198*/
.long DefaultISR /* 199*/
.long DefaultISR /* 200*/
.long DefaultISR /* 201*/
.long DefaultISR /* 202*/
.long DefaultISR /* 203*/
.long DefaultISR /* 204*/
.long DefaultISR /* 205*/
.long DefaultISR /* 206*/
.long DefaultISR /* 207*/
.long DefaultISR /* 208*/
.long DefaultISR /* 209*/
.long DefaultISR /* 210*/
.long DefaultISR /* 211*/
.long DefaultISR /* 212*/
.long DefaultISR /* 213*/
.long DefaultISR /* 214*/
.long DefaultISR /* 215*/
.long DefaultISR /* 216*/
.long DefaultISR /* 217*/
.long DefaultISR /* 218*/
.long DefaultISR /* 219*/
.long DefaultISR /* 220*/
.long DefaultISR /* 221*/
.long DefaultISR /* 222*/
.long DefaultISR /* 223*/
.long DefaultISR /* 224*/
.long DefaultISR /* 225*/
.long DefaultISR /* 226*/
.long DefaultISR /* 227*/
.long DefaultISR /* 228*/
.long DefaultISR /* 229*/
.long DefaultISR /* 230*/
.long DefaultISR /* 231*/
.long DefaultISR /* 232*/
.long DefaultISR /* 233*/
.long DefaultISR /* 234*/
.long DefaultISR /* 235*/
.long DefaultISR /* 236*/
.long DefaultISR /* 237*/
.long DefaultISR /* 238*/
.long DefaultISR /* 239*/
.long DefaultISR /* 240*/
.long DefaultISR /* 241*/
.long DefaultISR /* 242*/
.long DefaultISR /* 243*/
.long DefaultISR /* 244*/
.long DefaultISR /* 245*/
.long DefaultISR /* 246*/
.long DefaultISR /* 247*/
.long DefaultISR /* 248*/
.long DefaultISR /* 249*/
.long DefaultISR /* 250*/
.long DefaultISR /* 251*/
.long DefaultISR /* 252*/
.long DefaultISR /* 253*/
.long DefaultISR /* 254*/
.long 0xFFFFFFFF /* Reserved for user TRIM value*/
.size __isr_vector, . - __isr_vector
/* Flash Configuration */
.section .FlashConfig, "a"
.long 0xFFFFFFFF
.long 0xFFFFFFFF
.long 0xFFFFFFFF
.long 0xFFFFFFFE
.equ _NVIC_ICER0, 0xE000E180
.equ _NVIC_ICPR0, 0xE000E280
.text
.thumb
/* Reset Handler */
.thumb_func
.align 2
.global Reset_Handler
.type Reset_Handler, %function
Reset_Handler:
cpsid i /* Mask interrupts */
ldr r0, =_NVIC_ICER0 /* Disable interrupts and clear pending flags */
ldr r1, =_NVIC_ICPR0
ldr r2, =0xFFFFFFFF
mov r3, #8
_irq_clear:
cbz r3, _irq_clear_end
str r2, [r0], #4 /* NVIC_ICERx - clear enable IRQ register */
str r2, [r1], #4 /* NVIC_ICPRx - clear pending IRQ register */
sub r3, r3, #1
b _irq_clear
_irq_clear_end:
/*
#ifndef __NO_SYSTEM_INIT
bl SystemInit
#endif
*/
cpsie i /* Unmask interrupts */
/* 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 .LC1
.LC0:
subs r3, #4
ldr r0, [r1, r3]
str r0, [r2, r3]
bgt .LC0
.LC1:
#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__
movs r0, 0
.LC2:
cmp r1, r2
itt lt
strlt r0, [r1], #4
blt .LC2
#endif /* __STARTUP_CLEAR_BSS */
#ifndef __START
#define __START _start
#endif
bl main
/* bl __START */
.pool
.size Reset_Handler, . - Reset_Handler
.align 1
.thumb_func
.weak Default_Handler
.type Default_Handler, %function
Default_Handler:
b .
.size Default_Handler, . - Default_Handler
/* 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, Default_Handler
.endm
/* Exception Handlers */
def_irq_handler NMI_Handler
def_irq_handler HardFault_Handler
def_irq_handler MemManage_Handler
def_irq_handler BusFault_Handler
def_irq_handler UsageFault_Handler
def_irq_handler SVC_Handler
def_irq_handler DebugMon_Handler
def_irq_handler PendSV_Handler
def_irq_handler SysTick_Handler
def_irq_handler DMA0_IRQHandler
def_irq_handler DMA1_IRQHandler
def_irq_handler DMA2_IRQHandler
def_irq_handler DMA3_IRQHandler
def_irq_handler DMA4_IRQHandler
def_irq_handler DMA5_IRQHandler
def_irq_handler DMA6_IRQHandler
def_irq_handler DMA7_IRQHandler
def_irq_handler DMA8_IRQHandler
def_irq_handler DMA9_IRQHandler
def_irq_handler DMA10_IRQHandler
def_irq_handler DMA11_IRQHandler
def_irq_handler DMA12_IRQHandler
def_irq_handler DMA13_IRQHandler
def_irq_handler DMA14_IRQHandler
def_irq_handler DMA15_IRQHandler
def_irq_handler DMA_Error_IRQHandler
def_irq_handler MCM_IRQHandler
def_irq_handler FTFE_IRQHandler
def_irq_handler Read_Collision_IRQHandler
def_irq_handler LVD_LVW_IRQHandler
def_irq_handler LLW_IRQHandler
def_irq_handler Watchdog_IRQHandler
def_irq_handler RNG_IRQHandler
def_irq_handler I2C0_IRQHandler
def_irq_handler I2C1_IRQHandler
def_irq_handler SPI0_IRQHandler
def_irq_handler SPI1_IRQHandler
def_irq_handler I2S0_Tx_IRQHandler
def_irq_handler I2S0_Rx_IRQHandler
def_irq_handler UART0_LON_IRQHandler
def_irq_handler UART0_RX_TX_IRQHandler
def_irq_handler UART0_ERR_IRQHandler
def_irq_handler UART1_RX_TX_IRQHandler
def_irq_handler UART1_ERR_IRQHandler
def_irq_handler UART2_RX_TX_IRQHandler
def_irq_handler UART2_ERR_IRQHandler
def_irq_handler UART3_RX_TX_IRQHandler
def_irq_handler UART3_ERR_IRQHandler
def_irq_handler ADC0_IRQHandler
def_irq_handler CMP0_IRQHandler
def_irq_handler CMP1_IRQHandler
def_irq_handler FTM0_IRQHandler
def_irq_handler FTM1_IRQHandler
def_irq_handler FTM2_IRQHandler
def_irq_handler CMT_IRQHandler
def_irq_handler RTC_IRQHandler
def_irq_handler RTC_Seconds_IRQHandler
def_irq_handler PIT0_IRQHandler
def_irq_handler PIT1_IRQHandler
def_irq_handler PIT2_IRQHandler
def_irq_handler PIT3_IRQHandler
def_irq_handler PDB0_IRQHandler
def_irq_handler USB0_IRQHandler
def_irq_handler USBDCD_IRQHandler
def_irq_handler Reserved71_IRQHandler
def_irq_handler DAC0_IRQHandler
def_irq_handler MCG_IRQHandler
def_irq_handler LPTimer_IRQHandler
def_irq_handler PORTA_IRQHandler
def_irq_handler PORTB_IRQHandler
def_irq_handler PORTC_IRQHandler
def_irq_handler PORTD_IRQHandler
def_irq_handler PORTE_IRQHandler
def_irq_handler SWI_IRQHandler
def_irq_handler SPI2_IRQHandler
def_irq_handler UART4_RX_TX_IRQHandler
def_irq_handler UART4_ERR_IRQHandler
def_irq_handler UART5_RX_TX_IRQHandler
def_irq_handler UART5_ERR_IRQHandler
def_irq_handler CMP2_IRQHandler
def_irq_handler FTM3_IRQHandler
def_irq_handler DAC1_IRQHandler
def_irq_handler ADC1_IRQHandler
def_irq_handler I2C2_IRQHandler
def_irq_handler CAN0_ORed_Message_buffer_IRQHandler
def_irq_handler CAN0_Bus_Off_IRQHandler
def_irq_handler CAN0_Error_IRQHandler
def_irq_handler CAN0_Tx_Warning_IRQHandler
def_irq_handler CAN0_Rx_Warning_IRQHandler
def_irq_handler CAN0_Wake_Up_IRQHandler
def_irq_handler SDHC_IRQHandler
def_irq_handler ENET_1588_Timer_IRQHandler
def_irq_handler ENET_Transmit_IRQHandler
def_irq_handler ENET_Receive_IRQHandler
def_irq_handler ENET_Error_IRQHandler
def_irq_handler DefaultISR
.end