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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Superseded

This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.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

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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_LPC408X/TOOLCHAIN_GCC_ARM/startup_LPC408x.S@577:15494b56c2f3, 2015-07-01 (annotated)

Committer:
mbed_official
Date:
Wed Jul 01 08:15:11 2015 +0100
Revision:
577:15494b56c2f3
Parent:
targets/cmsis/TARGET_NXP/TARGET_LPC408X/TOOLCHAIN_GCC_ARM/startup_LPC408x.s@66:64ad953ee6c3 
Synchronized with git revision 7766e75dd858812cd79aedb3080349715f55dd56



Full URL: https://github.com/mbedmicro/mbed/commit/7766e75dd858812cd79aedb3080349715f55dd56/



GCC asm updates

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 43:c8a187835cf1 1 /* File: startup_ARMCM3.s
mbed_official 43:c8a187835cf1 2 * Purpose: startup file for Cortex-M3/M4 devices. Should use with
mbed_official 43:c8a187835cf1 3 * GNU Tools for ARM Embedded Processors
mbed_official 43:c8a187835cf1 4 * Version: V1.1
mbed_official 43:c8a187835cf1 5 * Date: 17 June 2011
mbed_official 43:c8a187835cf1 6 *
mbed_official 43:c8a187835cf1 7 * Copyright (C) 2011 ARM Limited. All rights reserved.
mbed_official 43:c8a187835cf1 8 * ARM Limited (ARM) is supplying this software for use with Cortex-M3/M4
mbed_official 43:c8a187835cf1 9 * processor based microcontrollers. This file can be freely distributed
mbed_official 43:c8a187835cf1 10 * within development tools that are supporting such ARM based processors.
mbed_official 43:c8a187835cf1 11 *
mbed_official 43:c8a187835cf1 12 * THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED
mbed_official 43:c8a187835cf1 13 * OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
mbed_official 43:c8a187835cf1 14 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
mbed_official 43:c8a187835cf1 15 * ARM SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR
mbed_official 43:c8a187835cf1 16 * CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
mbed_official 43:c8a187835cf1 17 */
mbed_official 43:c8a187835cf1 18 .syntax unified
mbed_official 43:c8a187835cf1 19 .arch armv7-m
mbed_official 43:c8a187835cf1 20
mbed_official 43:c8a187835cf1 21 /* Memory Model
mbed_official 43:c8a187835cf1 22 The HEAP starts at the end of the DATA section and grows upward.
mbed_official 43:c8a187835cf1 23
mbed_official 43:c8a187835cf1 24 The STACK starts at the end of the RAM and grows downward.
mbed_official 43:c8a187835cf1 25
mbed_official 43:c8a187835cf1 26 The HEAP and stack STACK are only checked at compile time:
mbed_official 43:c8a187835cf1 27 (DATA_SIZE + HEAP_SIZE + STACK_SIZE) < RAM_SIZE
mbed_official 43:c8a187835cf1 28
mbed_official 43:c8a187835cf1 29 This is just a check for the bare minimum for the Heap+Stack area before
mbed_official 43:c8a187835cf1 30 aborting compilation, it is not the run time limit:
mbed_official 43:c8a187835cf1 31 Heap_Size + Stack_Size = 0x80 + 0x80 = 0x100
mbed_official 43:c8a187835cf1 32 */
mbed_official 43:c8a187835cf1 33 .section .stack
mbed_official 43:c8a187835cf1 34 .align 3
mbed_official 43:c8a187835cf1 35 #ifdef __STACK_SIZE
mbed_official 43:c8a187835cf1 36 .equ Stack_Size, __STACK_SIZE
mbed_official 43:c8a187835cf1 37 #else
mbed_official 43:c8a187835cf1 38 .equ Stack_Size, 0xc00
mbed_official 43:c8a187835cf1 39 #endif
mbed_official 43:c8a187835cf1 40 .globl __StackTop
mbed_official 43:c8a187835cf1 41 .globl __StackLimit
mbed_official 43:c8a187835cf1 42 __StackLimit:
mbed_official 43:c8a187835cf1 43 .space Stack_Size
mbed_official 43:c8a187835cf1 44 .size __StackLimit, . - __StackLimit
mbed_official 43:c8a187835cf1 45 __StackTop:
mbed_official 43:c8a187835cf1 46 .size __StackTop, . - __StackTop
mbed_official 43:c8a187835cf1 47
mbed_official 43:c8a187835cf1 48 .section .heap
mbed_official 43:c8a187835cf1 49 .align 3
mbed_official 43:c8a187835cf1 50 #ifdef __HEAP_SIZE
mbed_official 43:c8a187835cf1 51 .equ Heap_Size, __HEAP_SIZE
mbed_official 43:c8a187835cf1 52 #else
mbed_official 43:c8a187835cf1 53 .equ Heap_Size, 0x800
mbed_official 43:c8a187835cf1 54 #endif
mbed_official 43:c8a187835cf1 55 .globl __HeapBase
mbed_official 43:c8a187835cf1 56 .globl __HeapLimit
mbed_official 43:c8a187835cf1 57 __HeapBase:
mbed_official 43:c8a187835cf1 58 .space Heap_Size
mbed_official 43:c8a187835cf1 59 .size __HeapBase, . - __HeapBase
mbed_official 43:c8a187835cf1 60 __HeapLimit:
mbed_official 43:c8a187835cf1 61 .size __HeapLimit, . - __HeapLimit
mbed_official 43:c8a187835cf1 62
mbed_official 43:c8a187835cf1 63 .section .isr_vector
mbed_official 43:c8a187835cf1 64 .align 2
mbed_official 43:c8a187835cf1 65 .globl __isr_vector
mbed_official 43:c8a187835cf1 66 __isr_vector:
mbed_official 43:c8a187835cf1 67 .long __StackTop /* Top of Stack */
mbed_official 43:c8a187835cf1 68 .long Reset_Handler /* Reset Handler */
mbed_official 43:c8a187835cf1 69 .long NMI_Handler /* NMI Handler */
mbed_official 43:c8a187835cf1 70 .long HardFault_Handler /* Hard Fault Handler */
mbed_official 43:c8a187835cf1 71 .long MemManage_Handler /* MPU Fault Handler */
mbed_official 43:c8a187835cf1 72 .long BusFault_Handler /* Bus Fault Handler */
mbed_official 43:c8a187835cf1 73 .long UsageFault_Handler /* Usage Fault Handler */
mbed_official 43:c8a187835cf1 74 .long 0 /* Reserved */
mbed_official 43:c8a187835cf1 75 .long 0 /* Reserved */
mbed_official 43:c8a187835cf1 76 .long 0 /* Reserved */
mbed_official 43:c8a187835cf1 77 .long 0 /* Reserved */
mbed_official 43:c8a187835cf1 78 .long SVC_Handler /* SVCall Handler */
mbed_official 43:c8a187835cf1 79 .long DebugMon_Handler /* Debug Monitor Handler */
mbed_official 43:c8a187835cf1 80 .long 0 /* Reserved */
mbed_official 43:c8a187835cf1 81 .long PendSV_Handler /* PendSV Handler */
mbed_official 43:c8a187835cf1 82 .long SysTick_Handler /* SysTick Handler */
mbed_official 43:c8a187835cf1 83
mbed_official 43:c8a187835cf1 84 /* External interrupts */
mbed_official 43:c8a187835cf1 85 .long WDT_IRQHandler /* 16: Watchdog Timer */
mbed_official 43:c8a187835cf1 86 .long TIMER0_IRQHandler /* 17: Timer0 */
mbed_official 43:c8a187835cf1 87 .long TIMER1_IRQHandler /* 18: Timer1 */
mbed_official 43:c8a187835cf1 88 .long TIMER2_IRQHandler /* 19: Timer2 */
mbed_official 43:c8a187835cf1 89 .long TIMER3_IRQHandler /* 20: Timer3 */
mbed_official 43:c8a187835cf1 90 .long UART0_IRQHandler /* 21: UART0 */
mbed_official 43:c8a187835cf1 91 .long UART1_IRQHandler /* 22: UART1 */
mbed_official 43:c8a187835cf1 92 .long UART2_IRQHandler /* 23: UART2 */
mbed_official 43:c8a187835cf1 93 .long UART3_IRQHandler /* 24: UART3 */
mbed_official 43:c8a187835cf1 94 .long PWM1_IRQHandler /* 25: PWM1 */
mbed_official 43:c8a187835cf1 95 .long I2C0_IRQHandler /* 26: I2C0 */
mbed_official 43:c8a187835cf1 96 .long I2C1_IRQHandler /* 27: I2C1 */
mbed_official 43:c8a187835cf1 97 .long I2C2_IRQHandler /* 28: I2C2 */
mbed_official 43:c8a187835cf1 98 .long 0 /* 29: Reserved */
mbed_official 43:c8a187835cf1 99 .long SSP0_IRQHandler /* 30: SSP0 */
mbed_official 43:c8a187835cf1 100 .long SSP1_IRQHandler /* 31: SSP1 */
mbed_official 43:c8a187835cf1 101 .long PLL0_IRQHandler /* 32: PLL0 Lock (Main PLL) */
mbed_official 43:c8a187835cf1 102 .long RTC_IRQHandler /* 33: Real Time Clock */
mbed_official 43:c8a187835cf1 103 .long EINT0_IRQHandler /* 34: External Interrupt 0 */
mbed_official 43:c8a187835cf1 104 .long EINT1_IRQHandler /* 35: External Interrupt 1 */
mbed_official 43:c8a187835cf1 105 .long EINT2_IRQHandler /* 36: External Interrupt 2 */
mbed_official 43:c8a187835cf1 106 .long EINT3_IRQHandler /* 37: External Interrupt 3 */
mbed_official 43:c8a187835cf1 107 .long ADC_IRQHandler /* 38: A/D Converter */
mbed_official 43:c8a187835cf1 108 .long BOD_IRQHandler /* 39: Brown-Out Detect */
mbed_official 43:c8a187835cf1 109 .long USB_IRQHandler /* 40: USB */
mbed_official 43:c8a187835cf1 110 .long CAN_IRQHandler /* 41: CAN */
mbed_official 43:c8a187835cf1 111 .long DMA_IRQHandler /* 42: General Purpose DMA */
mbed_official 43:c8a187835cf1 112 .long I2S_IRQHandler /* 43: I2S */
mbed_official 43:c8a187835cf1 113 .long ENET_IRQHandler /* 44: Ethernet */
mbed_official 43:c8a187835cf1 114 .long MCI_IRQHandler /* 45: SD/MMC carf I/F */
mbed_official 43:c8a187835cf1 115 .long MCPWM_IRQHandler /* 46: Motor Control PWM */
mbed_official 43:c8a187835cf1 116 .long QEI_IRQHandler /* 47: Quadrature Encoder Interface */
mbed_official 43:c8a187835cf1 117 .long PLL1_IRQHandler /* 48: PLL1 Lock (USB PLL) */
mbed_official 43:c8a187835cf1 118 .long USBActivity_IRQHandler /* 49: USB Activity */
mbed_official 43:c8a187835cf1 119 .long CANActivity_IRQHandler /* 50: CAN Activity */
mbed_official 43:c8a187835cf1 120 .long UART4_IRQHandler /* 51: UART4 */
mbed_official 43:c8a187835cf1 121 .long SSP2_IRQHandler /* 52: SSP2 */
mbed_official 43:c8a187835cf1 122 .long LCD_IRQHandler /* 53: LCD */
mbed_official 43:c8a187835cf1 123 .long GPIO_IRQHandler /* 54: GPIO */
mbed_official 43:c8a187835cf1 124 .long PWM0_IRQHandler /* 55: PWM0 */
mbed_official 43:c8a187835cf1 125 .long EEPROM_IRQHandler /* 56: EEPROM */
mbed_official 43:c8a187835cf1 126
mbed_official 43:c8a187835cf1 127 .size __isr_vector, . - __isr_vector
mbed_official 43:c8a187835cf1 128
mbed_official 43:c8a187835cf1 129 .text
mbed_official 43:c8a187835cf1 130 .thumb
mbed_official 43:c8a187835cf1 131 .thumb_func
mbed_official 43:c8a187835cf1 132 .align 2
mbed_official 43:c8a187835cf1 133 .globl Reset_Handler
mbed_official 43:c8a187835cf1 134 .type Reset_Handler, %function
mbed_official 43:c8a187835cf1 135 Reset_Handler:
mbed_official 43:c8a187835cf1 136 /* Loop to copy data from read only memory to RAM. The ranges
mbed_official 43:c8a187835cf1 137 * of copy from/to are specified by following symbols evaluated in
mbed_official 43:c8a187835cf1 138 * linker script.
mbed_official 43:c8a187835cf1 139 * _etext: End of code section, i.e., begin of data sections to copy from.
mbed_official 43:c8a187835cf1 140 * __data_start__/__data_end__: RAM address range that data should be
mbed_official 43:c8a187835cf1 141 * copied to. Both must be aligned to 4 bytes boundary. */
mbed_official 43:c8a187835cf1 142
mbed_official 43:c8a187835cf1 143 ldr r1, =__etext
mbed_official 43:c8a187835cf1 144 ldr r2, =__data_start__
mbed_official 43:c8a187835cf1 145 ldr r3, =__data_end__
mbed_official 43:c8a187835cf1 146
mbed_official 66:64ad953ee6c3 147 .Lflash_to_ram_loop:
mbed_official 43:c8a187835cf1 148 cmp r2, r3
mbed_official 43:c8a187835cf1 149 ittt lt
mbed_official 43:c8a187835cf1 150 ldrlt r0, [r1], #4
mbed_official 43:c8a187835cf1 151 strlt r0, [r2], #4
mbed_official 66:64ad953ee6c3 152 blt .Lflash_to_ram_loop
mbed_official 43:c8a187835cf1 153
mbed_official 43:c8a187835cf1 154 ldr r0, =SystemInit
mbed_official 43:c8a187835cf1 155 blx r0
mbed_official 43:c8a187835cf1 156 ldr r0, =_start
mbed_official 43:c8a187835cf1 157 bx r0
mbed_official 43:c8a187835cf1 158 .pool
mbed_official 43:c8a187835cf1 159 .size Reset_Handler, . - Reset_Handler
mbed_official 43:c8a187835cf1 160
mbed_official 66:64ad953ee6c3 161 .text
mbed_official 43:c8a187835cf1 162 /* Macro to define default handlers. Default handler
mbed_official 43:c8a187835cf1 163 * will be weak symbol and just dead loops. They can be
mbed_official 43:c8a187835cf1 164 * overwritten by other handlers */
mbed_official 43:c8a187835cf1 165 .macro def_default_handler handler_name
mbed_official 43:c8a187835cf1 166 .align 1
mbed_official 43:c8a187835cf1 167 .thumb_func
mbed_official 43:c8a187835cf1 168 .weak \handler_name
mbed_official 43:c8a187835cf1 169 .type \handler_name, %function
mbed_official 43:c8a187835cf1 170 \handler_name :
mbed_official 43:c8a187835cf1 171 b .
mbed_official 43:c8a187835cf1 172 .size \handler_name, . - \handler_name
mbed_official 43:c8a187835cf1 173 .endm
mbed_official 66:64ad953ee6c3 174
mbed_official 43:c8a187835cf1 175 def_default_handler NMI_Handler
mbed_official 43:c8a187835cf1 176 def_default_handler HardFault_Handler
mbed_official 43:c8a187835cf1 177 def_default_handler MemManage_Handler
mbed_official 43:c8a187835cf1 178 def_default_handler BusFault_Handler
mbed_official 43:c8a187835cf1 179 def_default_handler UsageFault_Handler
mbed_official 43:c8a187835cf1 180 def_default_handler SVC_Handler
mbed_official 43:c8a187835cf1 181 def_default_handler DebugMon_Handler
mbed_official 43:c8a187835cf1 182 def_default_handler PendSV_Handler
mbed_official 43:c8a187835cf1 183 def_default_handler SysTick_Handler
mbed_official 43:c8a187835cf1 184 def_default_handler Default_Handler
mbed_official 66:64ad953ee6c3 185
mbed_official 66:64ad953ee6c3 186 .macro def_irq_default_handler handler_name
mbed_official 66:64ad953ee6c3 187 .weak \handler_name
mbed_official 66:64ad953ee6c3 188 .set \handler_name, Default_Handler
mbed_official 66:64ad953ee6c3 189 .endm
mbed_official 43:c8a187835cf1 190
mbed_official 66:64ad953ee6c3 191 def_irq_default_handler WDT_IRQHandler
mbed_official 66:64ad953ee6c3 192 def_irq_default_handler TIMER0_IRQHandler
mbed_official 66:64ad953ee6c3 193 def_irq_default_handler TIMER1_IRQHandler
mbed_official 66:64ad953ee6c3 194 def_irq_default_handler TIMER2_IRQHandler
mbed_official 66:64ad953ee6c3 195 def_irq_default_handler TIMER3_IRQHandler
mbed_official 66:64ad953ee6c3 196 def_irq_default_handler UART0_IRQHandler
mbed_official 66:64ad953ee6c3 197 def_irq_default_handler UART1_IRQHandler
mbed_official 66:64ad953ee6c3 198 def_irq_default_handler UART2_IRQHandler
mbed_official 66:64ad953ee6c3 199 def_irq_default_handler UART3_IRQHandler
mbed_official 66:64ad953ee6c3 200 def_irq_default_handler PWM1_IRQHandler
mbed_official 66:64ad953ee6c3 201 def_irq_default_handler I2C0_IRQHandler
mbed_official 66:64ad953ee6c3 202 def_irq_default_handler I2C1_IRQHandler
mbed_official 66:64ad953ee6c3 203 def_irq_default_handler I2C2_IRQHandler
mbed_official 66:64ad953ee6c3 204 /* def_irq_default_handler SPI_IRQHandler */
mbed_official 66:64ad953ee6c3 205 def_irq_default_handler SSP0_IRQHandler
mbed_official 66:64ad953ee6c3 206 def_irq_default_handler SSP1_IRQHandler
mbed_official 66:64ad953ee6c3 207 def_irq_default_handler PLL0_IRQHandler
mbed_official 66:64ad953ee6c3 208 def_irq_default_handler RTC_IRQHandler
mbed_official 66:64ad953ee6c3 209 def_irq_default_handler EINT0_IRQHandler
mbed_official 66:64ad953ee6c3 210 def_irq_default_handler EINT1_IRQHandler
mbed_official 66:64ad953ee6c3 211 def_irq_default_handler EINT2_IRQHandler
mbed_official 66:64ad953ee6c3 212 def_irq_default_handler EINT3_IRQHandler
mbed_official 66:64ad953ee6c3 213 def_irq_default_handler ADC_IRQHandler
mbed_official 66:64ad953ee6c3 214 def_irq_default_handler BOD_IRQHandler
mbed_official 66:64ad953ee6c3 215 def_irq_default_handler USB_IRQHandler
mbed_official 66:64ad953ee6c3 216 def_irq_default_handler CAN_IRQHandler
mbed_official 66:64ad953ee6c3 217 def_irq_default_handler DMA_IRQHandler
mbed_official 66:64ad953ee6c3 218 def_irq_default_handler I2S_IRQHandler
mbed_official 66:64ad953ee6c3 219 def_irq_default_handler ENET_IRQHandler
mbed_official 66:64ad953ee6c3 220 def_irq_default_handler MCI_IRQHandler
mbed_official 66:64ad953ee6c3 221 def_irq_default_handler MCPWM_IRQHandler
mbed_official 66:64ad953ee6c3 222 def_irq_default_handler QEI_IRQHandler
mbed_official 66:64ad953ee6c3 223 def_irq_default_handler PLL1_IRQHandler
mbed_official 66:64ad953ee6c3 224 def_irq_default_handler USBActivity_IRQHandler
mbed_official 66:64ad953ee6c3 225 def_irq_default_handler CANActivity_IRQHandler
mbed_official 66:64ad953ee6c3 226 def_irq_default_handler UART4_IRQHandler
mbed_official 66:64ad953ee6c3 227 def_irq_default_handler SSP2_IRQHandler
mbed_official 66:64ad953ee6c3 228 def_irq_default_handler LCD_IRQHandler
mbed_official 66:64ad953ee6c3 229 def_irq_default_handler GPIO_IRQHandler
mbed_official 66:64ad953ee6c3 230 def_irq_default_handler PWM0_IRQHandler
mbed_official 66:64ad953ee6c3 231 def_irq_default_handler EEPROM_IRQHandler
mbed_official 66:64ad953ee6c3 232 def_irq_default_handler DEF_IRQHandler
mbed_official 43:c8a187835cf1 233
mbed_official 43:c8a187835cf1 234 .end
mbed_official 43:c8a187835cf1 235