DongEun Koak / mbed-src

mbed library sources

Dependents:   Freedman_v2 Nucleo_i2c_OLED_BME280_copy

Fork of mbed-src by mbed official

targets/cmsis/TARGET_NXP/TARGET_LPC176X/TOOLCHAIN_GCC_ARM/startup_LPC17xx.S@577:15494b56c2f3, 2015-07-01 (annotated)

Committer:
mbed_official
Date:
Wed Jul 01 08:15:11 2015 +0100
Revision:
577:15494b56c2f3
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 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