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mbed library sources

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Superseded

This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.

Development branch of the mbed library sources. This library is kept in synch with the latest changes from the mbed SDK and it is not guaranteed to work.

If you are looking for a stable and tested release, please import one of the official mbed library releases:

Import librarymbed

The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.

Last commit 20 Feb 2019 by mbed official

targets/cmsis/TARGET_NXP/TARGET_LPC176X/TOOLCHAIN_GCC_ARM/startup_LPC17xx.S@635:a11c0372f0ba, 2015-09-30 (annotated)

Committer:
mbed_official
Date:
Wed Sep 30 17:00:09 2015 +0100
Revision:
635:a11c0372f0ba
Parent:
577:15494b56c2f3 
Synchronized with git revision d29c98dae61be0946ddf3a3c641c7726056f9452



Full URL: https://github.com/mbedmicro/mbed/commit/d29c98dae61be0946ddf3a3c641c7726056f9452/



Added support for SAMW25

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 577:15494b56c2f3 1 /* File: startup_ARMCM3.s
mbed_official 577:15494b56c2f3 2 * Purpose: startup file for Cortex-M3/M4 devices. Should use with
mbed_official 577:15494b56c2f3 3 * GNU Tools for ARM Embedded Processors
mbed_official 577:15494b56c2f3 4 * Version: V1.1
mbed_official 577:15494b56c2f3 5 * Date: 17 June 2011
mbed_official 577:15494b56c2f3 6 *
mbed_official 577:15494b56c2f3 7 * Copyright (C) 2011 ARM Limited. All rights reserved.
mbed_official 577:15494b56c2f3 8 * ARM Limited (ARM) is supplying this software for use with Cortex-M3/M4
mbed_official 577:15494b56c2f3 9 * processor based microcontrollers. This file can be freely distributed
mbed_official 577:15494b56c2f3 10 * within development tools that are supporting such ARM based processors.
mbed_official 577:15494b56c2f3 11 *
mbed_official 577:15494b56c2f3 12 * THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED
mbed_official 577:15494b56c2f3 13 * OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
mbed_official 577:15494b56c2f3 14 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
mbed_official 577:15494b56c2f3 15 * ARM SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR
mbed_official 577:15494b56c2f3 16 * CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
mbed_official 577:15494b56c2f3 17 */
mbed_official 577:15494b56c2f3 18 .syntax unified
mbed_official 577:15494b56c2f3 19 .arch armv7-m
mbed_official 577:15494b56c2f3 20
mbed_official 577:15494b56c2f3 21 /* Memory Model
mbed_official 577:15494b56c2f3 22 The HEAP starts at the end of the DATA section and grows upward.
mbed_official 577:15494b56c2f3 23
mbed_official 577:15494b56c2f3 24 The STACK starts at the end of the RAM and grows downward.
mbed_official 577:15494b56c2f3 25
mbed_official 577:15494b56c2f3 26 The HEAP and stack STACK are only checked at compile time:
mbed_official 577:15494b56c2f3 27 (DATA_SIZE + HEAP_SIZE + STACK_SIZE) < RAM_SIZE
mbed_official 577:15494b56c2f3 28
mbed_official 577:15494b56c2f3 29 This is just a check for the bare minimum for the Heap+Stack area before
mbed_official 577:15494b56c2f3 30 aborting compilation, it is not the run time limit:
mbed_official 577:15494b56c2f3 31 Heap_Size + Stack_Size = 0x80 + 0x80 = 0x100
mbed_official 577:15494b56c2f3 32 */
mbed_official 577:15494b56c2f3 33 .section .stack
mbed_official 577:15494b56c2f3 34 .align 3
mbed_official 577:15494b56c2f3 35 #ifdef __STACK_SIZE
mbed_official 577:15494b56c2f3 36 .equ Stack_Size, __STACK_SIZE
mbed_official 577:15494b56c2f3 37 #else
mbed_official 577:15494b56c2f3 38 .equ Stack_Size, 0xc00
mbed_official 577:15494b56c2f3 39 #endif
mbed_official 577:15494b56c2f3 40 .globl __StackTop
mbed_official 577:15494b56c2f3 41 .globl __StackLimit
mbed_official 577:15494b56c2f3 42 __StackLimit:
mbed_official 577:15494b56c2f3 43 .space Stack_Size
mbed_official 577:15494b56c2f3 44 .size __StackLimit, . - __StackLimit
mbed_official 577:15494b56c2f3 45 __StackTop:
mbed_official 577:15494b56c2f3 46 .size __StackTop, . - __StackTop
mbed_official 577:15494b56c2f3 47
mbed_official 577:15494b56c2f3 48 .section .heap
mbed_official 577:15494b56c2f3 49 .align 3
mbed_official 577:15494b56c2f3 50 #ifdef __HEAP_SIZE
mbed_official 577:15494b56c2f3 51 .equ Heap_Size, __HEAP_SIZE
mbed_official 577:15494b56c2f3 52 #else
mbed_official 577:15494b56c2f3 53 .equ Heap_Size, 0x800
mbed_official 577:15494b56c2f3 54 #endif
mbed_official 577:15494b56c2f3 55 .globl __HeapBase
mbed_official 577:15494b56c2f3 56 .globl __HeapLimit
mbed_official 577:15494b56c2f3 57 __HeapBase:
mbed_official 577:15494b56c2f3 58 .space Heap_Size
mbed_official 577:15494b56c2f3 59 .size __HeapBase, . - __HeapBase
mbed_official 577:15494b56c2f3 60 __HeapLimit:
mbed_official 577:15494b56c2f3 61 .size __HeapLimit, . - __HeapLimit
mbed_official 577:15494b56c2f3 62
mbed_official 577:15494b56c2f3 63 .section .isr_vector
mbed_official 577:15494b56c2f3 64 .align 2
mbed_official 577:15494b56c2f3 65 .globl __isr_vector
mbed_official 577:15494b56c2f3 66 __isr_vector:
mbed_official 577:15494b56c2f3 67 .long __StackTop /* Top of Stack */
mbed_official 577:15494b56c2f3 68 .long Reset_Handler /* Reset Handler */
mbed_official 577:15494b56c2f3 69 .long NMI_Handler /* NMI Handler */
mbed_official 577:15494b56c2f3 70 .long HardFault_Handler /* Hard Fault Handler */
mbed_official 577:15494b56c2f3 71 .long MemManage_Handler /* MPU Fault Handler */
mbed_official 577:15494b56c2f3 72 .long BusFault_Handler /* Bus Fault Handler */
mbed_official 577:15494b56c2f3 73 .long UsageFault_Handler /* Usage Fault Handler */
mbed_official 577:15494b56c2f3 74 .long 0 /* Reserved */
mbed_official 577:15494b56c2f3 75 .long 0 /* Reserved */
mbed_official 577:15494b56c2f3 76 .long 0 /* Reserved */
mbed_official 577:15494b56c2f3 77 .long 0 /* Reserved */
mbed_official 577:15494b56c2f3 78 .long SVC_Handler /* SVCall Handler */
mbed_official 577:15494b56c2f3 79 .long DebugMon_Handler /* Debug Monitor Handler */
mbed_official 577:15494b56c2f3 80 .long 0 /* Reserved */
mbed_official 577:15494b56c2f3 81 .long PendSV_Handler /* PendSV Handler */
mbed_official 577:15494b56c2f3 82 .long SysTick_Handler /* SysTick Handler */
mbed_official 577:15494b56c2f3 83
mbed_official 577:15494b56c2f3 84 /* External interrupts */
mbed_official 577:15494b56c2f3 85 .long WDT_IRQHandler /* 16: Watchdog Timer */
mbed_official 577:15494b56c2f3 86 .long TIMER0_IRQHandler /* 17: Timer0 */
mbed_official 577:15494b56c2f3 87 .long TIMER1_IRQHandler /* 18: Timer1 */
mbed_official 577:15494b56c2f3 88 .long TIMER2_IRQHandler /* 19: Timer2 */
mbed_official 577:15494b56c2f3 89 .long TIMER3_IRQHandler /* 20: Timer3 */
mbed_official 577:15494b56c2f3 90 .long UART0_IRQHandler /* 21: UART0 */
mbed_official 577:15494b56c2f3 91 .long UART1_IRQHandler /* 22: UART1 */
mbed_official 577:15494b56c2f3 92 .long UART2_IRQHandler /* 23: UART2 */
mbed_official 577:15494b56c2f3 93 .long UART3_IRQHandler /* 24: UART3 */
mbed_official 577:15494b56c2f3 94 .long PWM1_IRQHandler /* 25: PWM1 */
mbed_official 577:15494b56c2f3 95 .long I2C0_IRQHandler /* 26: I2C0 */
mbed_official 577:15494b56c2f3 96 .long I2C1_IRQHandler /* 27: I2C1 */
mbed_official 577:15494b56c2f3 97 .long I2C2_IRQHandler /* 28: I2C2 */
mbed_official 577:15494b56c2f3 98 .long SPI_IRQHandler /* 29: SPI */
mbed_official 577:15494b56c2f3 99 .long SSP0_IRQHandler /* 30: SSP0 */
mbed_official 577:15494b56c2f3 100 .long SSP1_IRQHandler /* 31: SSP1 */
mbed_official 577:15494b56c2f3 101 .long PLL0_IRQHandler /* 32: PLL0 Lock (Main PLL) */
mbed_official 577:15494b56c2f3 102 .long RTC_IRQHandler /* 33: Real Time Clock */
mbed_official 577:15494b56c2f3 103 .long EINT0_IRQHandler /* 34: External Interrupt 0 */
mbed_official 577:15494b56c2f3 104 .long EINT1_IRQHandler /* 35: External Interrupt 1 */
mbed_official 577:15494b56c2f3 105 .long EINT2_IRQHandler /* 36: External Interrupt 2 */
mbed_official 577:15494b56c2f3 106 .long EINT3_IRQHandler /* 37: External Interrupt 3 */
mbed_official 577:15494b56c2f3 107 .long ADC_IRQHandler /* 38: A/D Converter */
mbed_official 577:15494b56c2f3 108 .long BOD_IRQHandler /* 39: Brown-Out Detect */
mbed_official 577:15494b56c2f3 109 .long USB_IRQHandler /* 40: USB */
mbed_official 577:15494b56c2f3 110 .long CAN_IRQHandler /* 41: CAN */
mbed_official 577:15494b56c2f3 111 .long DMA_IRQHandler /* 42: General Purpose DMA */
mbed_official 577:15494b56c2f3 112 .long I2S_IRQHandler /* 43: I2S */
mbed_official 577:15494b56c2f3 113 .long ENET_IRQHandler /* 44: Ethernet */
mbed_official 577:15494b56c2f3 114 .long RIT_IRQHandler /* 45: Repetitive Interrupt Timer */
mbed_official 577:15494b56c2f3 115 .long MCPWM_IRQHandler /* 46: Motor Control PWM */
mbed_official 577:15494b56c2f3 116 .long QEI_IRQHandler /* 47: Quadrature Encoder Interface */
mbed_official 577:15494b56c2f3 117 .long PLL1_IRQHandler /* 48: PLL1 Lock (USB PLL) */
mbed_official 577:15494b56c2f3 118 .long USBActivity_IRQHandler /* 49: USB Activity */
mbed_official 577:15494b56c2f3 119 .long CANActivity_IRQHandler /* 50: CAN Activity */
mbed_official 577:15494b56c2f3 120
mbed_official 577:15494b56c2f3 121 .size __isr_vector, . - __isr_vector
mbed_official 577:15494b56c2f3 122
mbed_official 577:15494b56c2f3 123 .text
mbed_official 577:15494b56c2f3 124 .thumb
mbed_official 577:15494b56c2f3 125 .thumb_func
mbed_official 577:15494b56c2f3 126 .align 2
mbed_official 577:15494b56c2f3 127 .globl Reset_Handler
mbed_official 577:15494b56c2f3 128 .type Reset_Handler, %function
mbed_official 577:15494b56c2f3 129 Reset_Handler:
mbed_official 577:15494b56c2f3 130 /* Loop to copy data from read only memory to RAM. The ranges
mbed_official 577:15494b56c2f3 131 * of copy from/to are specified by following symbols evaluated in
mbed_official 577:15494b56c2f3 132 * linker script.
mbed_official 577:15494b56c2f3 133 * _etext: End of code section, i.e., begin of data sections to copy from.
mbed_official 577:15494b56c2f3 134 * __data_start__/__data_end__: RAM address range that data should be
mbed_official 577:15494b56c2f3 135 * copied to. Both must be aligned to 4 bytes boundary. */
mbed_official 577:15494b56c2f3 136
mbed_official 577:15494b56c2f3 137 ldr r1, =__etext
mbed_official 577:15494b56c2f3 138 ldr r2, =__data_start__
mbed_official 577:15494b56c2f3 139 ldr r3, =__data_end__
mbed_official 577:15494b56c2f3 140
mbed_official 577:15494b56c2f3 141 .Lflash_to_ram_loop:
mbed_official 577:15494b56c2f3 142 cmp r2, r3
mbed_official 577:15494b56c2f3 143 ittt lt
mbed_official 577:15494b56c2f3 144 ldrlt r0, [r1], #4
mbed_official 577:15494b56c2f3 145 strlt r0, [r2], #4
mbed_official 577:15494b56c2f3 146 blt .Lflash_to_ram_loop
mbed_official 577:15494b56c2f3 147
mbed_official 577:15494b56c2f3 148 ldr r0, =SystemInit
mbed_official 577:15494b56c2f3 149 blx r0
mbed_official 577:15494b56c2f3 150 ldr r0, =_start
mbed_official 577:15494b56c2f3 151 bx r0
mbed_official 577:15494b56c2f3 152 .pool
mbed_official 577:15494b56c2f3 153 .size Reset_Handler, . - Reset_Handler
mbed_official 577:15494b56c2f3 154
mbed_official 577:15494b56c2f3 155 .text
mbed_official 577:15494b56c2f3 156 /* Macro to define default handlers. Default handler
mbed_official 577:15494b56c2f3 157 * will be weak symbol and just dead loops. They can be
mbed_official 577:15494b56c2f3 158 * overwritten by other handlers */
mbed_official 577:15494b56c2f3 159 .macro def_default_handler handler_name
mbed_official 577:15494b56c2f3 160 .align 1
mbed_official 577:15494b56c2f3 161 .thumb_func
mbed_official 577:15494b56c2f3 162 .weak \handler_name
mbed_official 577:15494b56c2f3 163 .type \handler_name, %function
mbed_official 577:15494b56c2f3 164 \handler_name :
mbed_official 577:15494b56c2f3 165 b .
mbed_official 577:15494b56c2f3 166 .size \handler_name, . - \handler_name
mbed_official 577:15494b56c2f3 167 .endm
mbed_official 577:15494b56c2f3 168
mbed_official 577:15494b56c2f3 169 def_default_handler NMI_Handler
mbed_official 577:15494b56c2f3 170 def_default_handler HardFault_Handler
mbed_official 577:15494b56c2f3 171 def_default_handler MemManage_Handler
mbed_official 577:15494b56c2f3 172 def_default_handler BusFault_Handler
mbed_official 577:15494b56c2f3 173 def_default_handler UsageFault_Handler
mbed_official 577:15494b56c2f3 174 def_default_handler SVC_Handler
mbed_official 577:15494b56c2f3 175 def_default_handler DebugMon_Handler
mbed_official 577:15494b56c2f3 176 def_default_handler PendSV_Handler
mbed_official 577:15494b56c2f3 177 def_default_handler SysTick_Handler
mbed_official 577:15494b56c2f3 178 def_default_handler Default_Handler
mbed_official 577:15494b56c2f3 179
mbed_official 577:15494b56c2f3 180 .macro def_irq_default_handler handler_name
mbed_official 577:15494b56c2f3 181 .weak \handler_name
mbed_official 577:15494b56c2f3 182 .set \handler_name, Default_Handler
mbed_official 577:15494b56c2f3 183 .endm
mbed_official 577:15494b56c2f3 184
mbed_official 577:15494b56c2f3 185 def_irq_default_handler WDT_IRQHandler
mbed_official 577:15494b56c2f3 186 def_irq_default_handler TIMER0_IRQHandler
mbed_official 577:15494b56c2f3 187 def_irq_default_handler TIMER1_IRQHandler
mbed_official 577:15494b56c2f3 188 def_irq_default_handler TIMER2_IRQHandler
mbed_official 577:15494b56c2f3 189 def_irq_default_handler TIMER3_IRQHandler
mbed_official 577:15494b56c2f3 190 def_irq_default_handler UART0_IRQHandler
mbed_official 577:15494b56c2f3 191 def_irq_default_handler UART1_IRQHandler
mbed_official 577:15494b56c2f3 192 def_irq_default_handler UART2_IRQHandler
mbed_official 577:15494b56c2f3 193 def_irq_default_handler UART3_IRQHandler
mbed_official 577:15494b56c2f3 194 def_irq_default_handler PWM1_IRQHandler
mbed_official 577:15494b56c2f3 195 def_irq_default_handler I2C0_IRQHandler
mbed_official 577:15494b56c2f3 196 def_irq_default_handler I2C1_IRQHandler
mbed_official 577:15494b56c2f3 197 def_irq_default_handler I2C2_IRQHandler
mbed_official 577:15494b56c2f3 198 def_irq_default_handler SPI_IRQHandler
mbed_official 577:15494b56c2f3 199 def_irq_default_handler SSP0_IRQHandler
mbed_official 577:15494b56c2f3 200 def_irq_default_handler SSP1_IRQHandler
mbed_official 577:15494b56c2f3 201 def_irq_default_handler PLL0_IRQHandler
mbed_official 577:15494b56c2f3 202 def_irq_default_handler RTC_IRQHandler
mbed_official 577:15494b56c2f3 203 def_irq_default_handler EINT0_IRQHandler
mbed_official 577:15494b56c2f3 204 def_irq_default_handler EINT1_IRQHandler
mbed_official 577:15494b56c2f3 205 def_irq_default_handler EINT2_IRQHandler
mbed_official 577:15494b56c2f3 206 def_irq_default_handler EINT3_IRQHandler
mbed_official 577:15494b56c2f3 207 def_irq_default_handler ADC_IRQHandler
mbed_official 577:15494b56c2f3 208 def_irq_default_handler BOD_IRQHandler
mbed_official 577:15494b56c2f3 209 def_irq_default_handler USB_IRQHandler
mbed_official 577:15494b56c2f3 210 def_irq_default_handler CAN_IRQHandler
mbed_official 577:15494b56c2f3 211 def_irq_default_handler DMA_IRQHandler
mbed_official 577:15494b56c2f3 212 def_irq_default_handler I2S_IRQHandler
mbed_official 577:15494b56c2f3 213 def_irq_default_handler ENET_IRQHandler
mbed_official 577:15494b56c2f3 214 def_irq_default_handler RIT_IRQHandler
mbed_official 577:15494b56c2f3 215 def_irq_default_handler MCPWM_IRQHandler
mbed_official 577:15494b56c2f3 216 def_irq_default_handler QEI_IRQHandler
mbed_official 577:15494b56c2f3 217 def_irq_default_handler PLL1_IRQHandler
mbed_official 577:15494b56c2f3 218 def_irq_default_handler USBActivity_IRQHandler
mbed_official 577:15494b56c2f3 219 def_irq_default_handler CANActivity_IRQHandler
mbed_official 577:15494b56c2f3 220 def_irq_default_handler DEF_IRQHandler
mbed_official 577:15494b56c2f3 221
mbed_official 577:15494b56c2f3 222 .end
mbed_official 577:15494b56c2f3 223