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Last commit 20 Feb 2019 by 
mbed official
targets/cmsis/TARGET_NXP/TARGET_LPC13XX/TOOLCHAIN_GCC_ARM/startup_LPC13xx.s@13:0645d8841f51, 2013-08-05 (annotated)
- Committer:
- bogdanm
- Date:
- Mon Aug 05 14:12:34 2013 +0300
- Revision:
- 13:0645d8841f51
- Child:
- 66:64ad953ee6c3
Update mbed sources to revision 64
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| bogdanm | 13:0645d8841f51 | 1 | /* File: startup_ARMCM3.s |
| bogdanm | 13:0645d8841f51 | 2 | * Purpose: startup file for Cortex-M3/M4 devices. Should use with |
| bogdanm | 13:0645d8841f51 | 3 | * GNU Tools for ARM Embedded Processors |
| bogdanm | 13:0645d8841f51 | 4 | * Version: V1.1 |
| bogdanm | 13:0645d8841f51 | 5 | * Date: 17 June 2011 |
| bogdanm | 13:0645d8841f51 | 6 | * |
| bogdanm | 13:0645d8841f51 | 7 | * Copyright (C) 2011 ARM Limited. All rights reserved. |
| bogdanm | 13:0645d8841f51 | 8 | * ARM Limited (ARM) is supplying this software for use with Cortex-M3/M4 |
| bogdanm | 13:0645d8841f51 | 9 | * processor based microcontrollers. This file can be freely distributed |
| bogdanm | 13:0645d8841f51 | 10 | * within development tools that are supporting such ARM based processors. |
| bogdanm | 13:0645d8841f51 | 11 | * |
| bogdanm | 13:0645d8841f51 | 12 | * THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED |
| bogdanm | 13:0645d8841f51 | 13 | * OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF |
| bogdanm | 13:0645d8841f51 | 14 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE. |
| bogdanm | 13:0645d8841f51 | 15 | * ARM SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR |
| bogdanm | 13:0645d8841f51 | 16 | * CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER. |
| bogdanm | 13:0645d8841f51 | 17 | */ |
| bogdanm | 13:0645d8841f51 | 18 | .syntax unified |
| bogdanm | 13:0645d8841f51 | 19 | .arch armv7-m |
| bogdanm | 13:0645d8841f51 | 20 | |
| bogdanm | 13:0645d8841f51 | 21 | /* Memory Model |
| bogdanm | 13:0645d8841f51 | 22 | The HEAP starts at the end of the DATA section and grows upward. |
| bogdanm | 13:0645d8841f51 | 23 | |
| bogdanm | 13:0645d8841f51 | 24 | The STACK starts at the end of the RAM and grows downward. |
| bogdanm | 13:0645d8841f51 | 25 | |
| bogdanm | 13:0645d8841f51 | 26 | The HEAP and stack STACK are only checked at compile time: |
| bogdanm | 13:0645d8841f51 | 27 | (DATA_SIZE + HEAP_SIZE + STACK_SIZE) < RAM_SIZE |
| bogdanm | 13:0645d8841f51 | 28 | |
| bogdanm | 13:0645d8841f51 | 29 | This is just a check for the bare minimum for the Heap+Stack area before |
| bogdanm | 13:0645d8841f51 | 30 | aborting compilation, it is not the run time limit: |
| bogdanm | 13:0645d8841f51 | 31 | Heap_Size + Stack_Size = 0x80 + 0x80 = 0x100 |
| bogdanm | 13:0645d8841f51 | 32 | */ |
| bogdanm | 13:0645d8841f51 | 33 | .section .stack |
| bogdanm | 13:0645d8841f51 | 34 | .align 3 |
| bogdanm | 13:0645d8841f51 | 35 | #ifdef __STACK_SIZE |
| bogdanm | 13:0645d8841f51 | 36 | .equ Stack_Size, __STACK_SIZE |
| bogdanm | 13:0645d8841f51 | 37 | #else |
| bogdanm | 13:0645d8841f51 | 38 | .equ Stack_Size, 0xc00 |
| bogdanm | 13:0645d8841f51 | 39 | #endif |
| bogdanm | 13:0645d8841f51 | 40 | .globl __StackTop |
| bogdanm | 13:0645d8841f51 | 41 | .globl __StackLimit |
| bogdanm | 13:0645d8841f51 | 42 | __StackLimit: |
| bogdanm | 13:0645d8841f51 | 43 | .space Stack_Size |
| bogdanm | 13:0645d8841f51 | 44 | .size __StackLimit, . - __StackLimit |
| bogdanm | 13:0645d8841f51 | 45 | __StackTop: |
| bogdanm | 13:0645d8841f51 | 46 | .size __StackTop, . - __StackTop |
| bogdanm | 13:0645d8841f51 | 47 | |
| bogdanm | 13:0645d8841f51 | 48 | .section .heap |
| bogdanm | 13:0645d8841f51 | 49 | .align 3 |
| bogdanm | 13:0645d8841f51 | 50 | #ifdef __HEAP_SIZE |
| bogdanm | 13:0645d8841f51 | 51 | .equ Heap_Size, __HEAP_SIZE |
| bogdanm | 13:0645d8841f51 | 52 | #else |
| bogdanm | 13:0645d8841f51 | 53 | .equ Heap_Size, 0x800 |
| bogdanm | 13:0645d8841f51 | 54 | #endif |
| bogdanm | 13:0645d8841f51 | 55 | .globl __HeapBase |
| bogdanm | 13:0645d8841f51 | 56 | .globl __HeapLimit |
| bogdanm | 13:0645d8841f51 | 57 | __HeapBase: |
| bogdanm | 13:0645d8841f51 | 58 | .space Heap_Size |
| bogdanm | 13:0645d8841f51 | 59 | .size __HeapBase, . - __HeapBase |
| bogdanm | 13:0645d8841f51 | 60 | __HeapLimit: |
| bogdanm | 13:0645d8841f51 | 61 | .size __HeapLimit, . - __HeapLimit |
| bogdanm | 13:0645d8841f51 | 62 | |
| bogdanm | 13:0645d8841f51 | 63 | .section .isr_vector |
| bogdanm | 13:0645d8841f51 | 64 | .align 2 |
| bogdanm | 13:0645d8841f51 | 65 | .globl __isr_vector |
| bogdanm | 13:0645d8841f51 | 66 | __isr_vector: |
| bogdanm | 13:0645d8841f51 | 67 | .long __StackTop /* Top of Stack */ |
| bogdanm | 13:0645d8841f51 | 68 | .long Reset_Handler /* Reset Handler */ |
| bogdanm | 13:0645d8841f51 | 69 | .long NMI_Handler /* NMI Handler */ |
| bogdanm | 13:0645d8841f51 | 70 | .long HardFault_Handler /* Hard Fault Handler */ |
| bogdanm | 13:0645d8841f51 | 71 | .long MemManage_Handler /* MPU Fault Handler */ |
| bogdanm | 13:0645d8841f51 | 72 | .long BusFault_Handler /* Bus Fault Handler */ |
| bogdanm | 13:0645d8841f51 | 73 | .long UsageFault_Handler /* Usage Fault Handler */ |
| bogdanm | 13:0645d8841f51 | 74 | .long 0 /* Reserved */ |
| bogdanm | 13:0645d8841f51 | 75 | .long 0 /* Reserved */ |
| bogdanm | 13:0645d8841f51 | 76 | .long 0 /* Reserved */ |
| bogdanm | 13:0645d8841f51 | 77 | .long 0 /* Reserved */ |
| bogdanm | 13:0645d8841f51 | 78 | .long SVC_Handler /* SVCall Handler */ |
| bogdanm | 13:0645d8841f51 | 79 | .long DebugMon_Handler /* Debug Monitor Handler */ |
| bogdanm | 13:0645d8841f51 | 80 | .long 0 /* Reserved */ |
| bogdanm | 13:0645d8841f51 | 81 | .long PendSV_Handler /* PendSV Handler */ |
| bogdanm | 13:0645d8841f51 | 82 | .long SysTick_Handler /* SysTick Handler */ |
| bogdanm | 13:0645d8841f51 | 83 | |
| bogdanm | 13:0645d8841f51 | 84 | |
| bogdanm | 13:0645d8841f51 | 85 | .long PIN_INT0_Handler /* All GPIO pin can be routed to PIN_INTx */ |
| bogdanm | 13:0645d8841f51 | 86 | .long PIN_INT1_Handler |
| bogdanm | 13:0645d8841f51 | 87 | .long PIN_INT2_Handler |
| bogdanm | 13:0645d8841f51 | 88 | .long PIN_INT3_Handler |
| bogdanm | 13:0645d8841f51 | 89 | .long PIN_INT4_Handler |
| bogdanm | 13:0645d8841f51 | 90 | .long PIN_INT5_Handler |
| bogdanm | 13:0645d8841f51 | 91 | .long PIN_INT6_Handler |
| bogdanm | 13:0645d8841f51 | 92 | .long PIN_INT7_Handler |
| bogdanm | 13:0645d8841f51 | 93 | .long GINT0_Handler |
| bogdanm | 13:0645d8841f51 | 94 | .long GINT1_Handler /* PIO0 (0:7) */ |
| bogdanm | 13:0645d8841f51 | 95 | .long 0 |
| bogdanm | 13:0645d8841f51 | 96 | .long 0 |
| bogdanm | 13:0645d8841f51 | 97 | .long OSTIMER_Handler |
| bogdanm | 13:0645d8841f51 | 98 | .long 0 |
| bogdanm | 13:0645d8841f51 | 99 | .long SSP1_Handler /* SSP1 */ |
| bogdanm | 13:0645d8841f51 | 100 | .long I2C_Handler /* I2C */ |
| bogdanm | 13:0645d8841f51 | 101 | .long CT16B0_Handler /* 16-bit Timer0 */ |
| bogdanm | 13:0645d8841f51 | 102 | .long CT16B1_Handler /* 16-bit Timer1 */ |
| bogdanm | 13:0645d8841f51 | 103 | .long CT32B0_Handler /* 32-bit Timer0 */ |
| bogdanm | 13:0645d8841f51 | 104 | .long CT32B1_Handler /* 32-bit Timer1 */ |
| bogdanm | 13:0645d8841f51 | 105 | .long SSP0_Handler /* SSP0 */ |
| bogdanm | 13:0645d8841f51 | 106 | .long USART_Handler /* USART */ |
| bogdanm | 13:0645d8841f51 | 107 | .long USB_Handler /* USB IRQ */ |
| bogdanm | 13:0645d8841f51 | 108 | .long USB_FIQHandler /* USB FIQ */ |
| bogdanm | 13:0645d8841f51 | 109 | .long ADC_Handler /* A/D Converter */ |
| bogdanm | 13:0645d8841f51 | 110 | .long WDT_Handler /* Watchdog timer */ |
| bogdanm | 13:0645d8841f51 | 111 | .long BOD_Handler /* Brown Out Detect */ |
| bogdanm | 13:0645d8841f51 | 112 | .long FMC_Handler /* IP2111 Flash Memory Controller */ |
| bogdanm | 13:0645d8841f51 | 113 | .long OSCFAIL_Handler /* OSC FAIL */ |
| bogdanm | 13:0645d8841f51 | 114 | .long PVTCIRCUIT_Handler /* PVT CIRCUIT */ |
| bogdanm | 13:0645d8841f51 | 115 | .long USBWakeup_Handler /* USB wake up */ |
| bogdanm | 13:0645d8841f51 | 116 | .long 0 |
| bogdanm | 13:0645d8841f51 | 117 | |
| bogdanm | 13:0645d8841f51 | 118 | .size __isr_vector, . - __isr_vector |
| bogdanm | 13:0645d8841f51 | 119 | |
| bogdanm | 13:0645d8841f51 | 120 | .text |
| bogdanm | 13:0645d8841f51 | 121 | .thumb |
| bogdanm | 13:0645d8841f51 | 122 | .thumb_func |
| bogdanm | 13:0645d8841f51 | 123 | .align 2 |
| bogdanm | 13:0645d8841f51 | 124 | .globl Reset_Handler |
| bogdanm | 13:0645d8841f51 | 125 | .type Reset_Handler, %function |
| bogdanm | 13:0645d8841f51 | 126 | Reset_Handler: |
| bogdanm | 13:0645d8841f51 | 127 | /* Loop to copy data from read only memory to RAM. The ranges |
| bogdanm | 13:0645d8841f51 | 128 | * of copy from/to are specified by following symbols evaluated in |
| bogdanm | 13:0645d8841f51 | 129 | * linker script. |
| bogdanm | 13:0645d8841f51 | 130 | * _etext: End of code section, i.e., begin of data sections to copy from. |
| bogdanm | 13:0645d8841f51 | 131 | * __data_start__/__data_end__: RAM address range that data should be |
| bogdanm | 13:0645d8841f51 | 132 | * copied to. Both must be aligned to 4 bytes boundary. */ |
| bogdanm | 13:0645d8841f51 | 133 | |
| bogdanm | 13:0645d8841f51 | 134 | ldr r1, =__etext |
| bogdanm | 13:0645d8841f51 | 135 | ldr r2, =__data_start__ |
| bogdanm | 13:0645d8841f51 | 136 | ldr r3, =__data_end__ |
| bogdanm | 13:0645d8841f51 | 137 | |
| bogdanm | 13:0645d8841f51 | 138 | .flash_to_ram_loop: |
| bogdanm | 13:0645d8841f51 | 139 | cmp r2, r3 |
| bogdanm | 13:0645d8841f51 | 140 | ittt lt |
| bogdanm | 13:0645d8841f51 | 141 | ldrlt r0, [r1], #4 |
| bogdanm | 13:0645d8841f51 | 142 | strlt r0, [r2], #4 |
| bogdanm | 13:0645d8841f51 | 143 | blt .flash_to_ram_loop |
| bogdanm | 13:0645d8841f51 | 144 | |
| bogdanm | 13:0645d8841f51 | 145 | ldr r0, =SystemInit |
| bogdanm | 13:0645d8841f51 | 146 | blx r0 |
| bogdanm | 13:0645d8841f51 | 147 | ldr r0, =_start |
| bogdanm | 13:0645d8841f51 | 148 | bx r0 |
| bogdanm | 13:0645d8841f51 | 149 | .pool |
| bogdanm | 13:0645d8841f51 | 150 | .size Reset_Handler, . - Reset_Handler |
| bogdanm | 13:0645d8841f51 | 151 | |
| bogdanm | 13:0645d8841f51 | 152 | /* Macro to define default handlers. Default handler |
| bogdanm | 13:0645d8841f51 | 153 | * will be weak symbol and just dead loops. They can be |
| bogdanm | 13:0645d8841f51 | 154 | * overwritten by other handlers */ |
| bogdanm | 13:0645d8841f51 | 155 | .macro def_default_handler handler_name |
| bogdanm | 13:0645d8841f51 | 156 | .align 1 |
| bogdanm | 13:0645d8841f51 | 157 | .thumb_func |
| bogdanm | 13:0645d8841f51 | 158 | .weak \handler_name |
| bogdanm | 13:0645d8841f51 | 159 | .type \handler_name, %function |
| bogdanm | 13:0645d8841f51 | 160 | \handler_name : |
| bogdanm | 13:0645d8841f51 | 161 | b . |
| bogdanm | 13:0645d8841f51 | 162 | .size \handler_name, . - \handler_name |
| bogdanm | 13:0645d8841f51 | 163 | .endm |
| bogdanm | 13:0645d8841f51 | 164 | |
| bogdanm | 13:0645d8841f51 | 165 | def_default_handler NMI_Handler |
| bogdanm | 13:0645d8841f51 | 166 | def_default_handler HardFault_Handler |
| bogdanm | 13:0645d8841f51 | 167 | def_default_handler MemManage_Handler |
| bogdanm | 13:0645d8841f51 | 168 | def_default_handler BusFault_Handler |
| bogdanm | 13:0645d8841f51 | 169 | def_default_handler UsageFault_Handler |
| bogdanm | 13:0645d8841f51 | 170 | def_default_handler SVC_Handler |
| bogdanm | 13:0645d8841f51 | 171 | def_default_handler DebugMon_Handler |
| bogdanm | 13:0645d8841f51 | 172 | def_default_handler PendSV_Handler |
| bogdanm | 13:0645d8841f51 | 173 | def_default_handler SysTick_Handler |
| bogdanm | 13:0645d8841f51 | 174 | def_default_handler Default_Handler |
| bogdanm | 13:0645d8841f51 | 175 | |
| bogdanm | 13:0645d8841f51 | 176 | def_default_handler PIN_INT0_Handler |
| bogdanm | 13:0645d8841f51 | 177 | def_default_handler PIN_INT1_Handler |
| bogdanm | 13:0645d8841f51 | 178 | def_default_handler PIN_INT2_Handler |
| bogdanm | 13:0645d8841f51 | 179 | def_default_handler PIN_INT3_Handler |
| bogdanm | 13:0645d8841f51 | 180 | def_default_handler PIN_INT4_Handler |
| bogdanm | 13:0645d8841f51 | 181 | def_default_handler PIN_INT5_Handler |
| bogdanm | 13:0645d8841f51 | 182 | def_default_handler PIN_INT6_Handler |
| bogdanm | 13:0645d8841f51 | 183 | def_default_handler PIN_INT7_Handler |
| bogdanm | 13:0645d8841f51 | 184 | def_default_handler GINT0_Handler |
| bogdanm | 13:0645d8841f51 | 185 | def_default_handler GINT1_Handler |
| bogdanm | 13:0645d8841f51 | 186 | def_default_handler OSTIMER_Handler |
| bogdanm | 13:0645d8841f51 | 187 | def_default_handler SSP1_Handler |
| bogdanm | 13:0645d8841f51 | 188 | def_default_handler I2C_Handler |
| bogdanm | 13:0645d8841f51 | 189 | def_default_handler CT16B0_Handler |
| bogdanm | 13:0645d8841f51 | 190 | def_default_handler CT16B1_Handler |
| bogdanm | 13:0645d8841f51 | 191 | def_default_handler CT32B0_Handler |
| bogdanm | 13:0645d8841f51 | 192 | def_default_handler CT32B1_Handler |
| bogdanm | 13:0645d8841f51 | 193 | def_default_handler SSP0_Handler |
| bogdanm | 13:0645d8841f51 | 194 | def_default_handler USART_Handler |
| bogdanm | 13:0645d8841f51 | 195 | def_default_handler USB_Handler |
| bogdanm | 13:0645d8841f51 | 196 | def_default_handler USB_FIQHandler |
| bogdanm | 13:0645d8841f51 | 197 | def_default_handler ADC_Handler |
| bogdanm | 13:0645d8841f51 | 198 | def_default_handler WDT_Handler |
| bogdanm | 13:0645d8841f51 | 199 | def_default_handler BOD_Handler |
| bogdanm | 13:0645d8841f51 | 200 | def_default_handler FMC_Handler |
| bogdanm | 13:0645d8841f51 | 201 | def_default_handler OSCFAIL_Handler |
| bogdanm | 13:0645d8841f51 | 202 | def_default_handler PVTCIRCUIT_Handler |
| bogdanm | 13:0645d8841f51 | 203 | def_default_handler USBWakeup_Handler |
| bogdanm | 13:0645d8841f51 | 204 | |
| bogdanm | 13:0645d8841f51 | 205 | .weak DEF_IRQHandler |
| bogdanm | 13:0645d8841f51 | 206 | .set DEF_IRQHandler, Default_Handler |
| bogdanm | 13:0645d8841f51 | 207 | |
| bogdanm | 13:0645d8841f51 | 208 | .end |
| bogdanm | 13:0645d8841f51 | 209 |
