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_LPC82X/TARGET_LPC824/TOOLCHAIN_GCC_ARM/startup_LPC824.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_LPC82X/TARGET_LPC824/TOOLCHAIN_GCC_ARM/startup_LPC824.s@514:7668256dbe61 
Synchronized with git revision 7766e75dd858812cd79aedb3080349715f55dd56



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



GCC asm updates

Who changed what in which revision?

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mbed_official 365:7ced7d9d5ffe 1 /* File: startup_ARMCM0.S
mbed_official 365:7ced7d9d5ffe 2 * Purpose: startup file for Cortex-M0 devices. Should use with
mbed_official 365:7ced7d9d5ffe 3 * GCC for ARM Embedded Processors
mbed_official 365:7ced7d9d5ffe 4 * Version: V1.2
mbed_official 365:7ced7d9d5ffe 5 * Date: 15 Nov 2011
mbed_official 365:7ced7d9d5ffe 6 *
mbed_official 365:7ced7d9d5ffe 7 * Copyright (c) 2011, ARM Limited
mbed_official 365:7ced7d9d5ffe 8 * All rights reserved.
mbed_official 365:7ced7d9d5ffe 9 *
mbed_official 365:7ced7d9d5ffe 10 * Redistribution and use in source and binary forms, with or without
mbed_official 365:7ced7d9d5ffe 11 * modification, are permitted provided that the following conditions are met:
mbed_official 365:7ced7d9d5ffe 12 * Redistributions of source code must retain the above copyright
mbed_official 365:7ced7d9d5ffe 13 notice, this list of conditions and the following disclaimer.
mbed_official 365:7ced7d9d5ffe 14 * Redistributions in binary form must reproduce the above copyright
mbed_official 365:7ced7d9d5ffe 15 notice, this list of conditions and the following disclaimer in the
mbed_official 365:7ced7d9d5ffe 16 documentation and/or other materials provided with the distribution.
mbed_official 365:7ced7d9d5ffe 17 * Neither the name of the ARM Limited nor the
mbed_official 365:7ced7d9d5ffe 18 names of its contributors may be used to endorse or promote products
mbed_official 365:7ced7d9d5ffe 19 derived from this software without specific prior written permission.
mbed_official 365:7ced7d9d5ffe 20 *
mbed_official 365:7ced7d9d5ffe 21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
mbed_official 365:7ced7d9d5ffe 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
mbed_official 365:7ced7d9d5ffe 23 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
mbed_official 365:7ced7d9d5ffe 24 * DISCLAIMED. IN NO EVENT SHALL ARM LIMITED BE LIABLE FOR ANY
mbed_official 365:7ced7d9d5ffe 25 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
mbed_official 365:7ced7d9d5ffe 26 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
mbed_official 365:7ced7d9d5ffe 27 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
mbed_official 365:7ced7d9d5ffe 28 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
mbed_official 365:7ced7d9d5ffe 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
mbed_official 365:7ced7d9d5ffe 30 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
mbed_official 365:7ced7d9d5ffe 31 */
mbed_official 365:7ced7d9d5ffe 32 .syntax unified
mbed_official 365:7ced7d9d5ffe 33 .arch armv6-m
mbed_official 365:7ced7d9d5ffe 34
mbed_official 365:7ced7d9d5ffe 35 /* Memory Model
mbed_official 365:7ced7d9d5ffe 36 The HEAP starts at the end of the DATA section and grows upward.
mbed_official 365:7ced7d9d5ffe 37
mbed_official 365:7ced7d9d5ffe 38 The STACK starts at the end of the RAM and grows downward.
mbed_official 365:7ced7d9d5ffe 39
mbed_official 365:7ced7d9d5ffe 40 The HEAP and stack STACK are only checked at compile time:
mbed_official 365:7ced7d9d5ffe 41 (DATA_SIZE + HEAP_SIZE + STACK_SIZE) < RAM_SIZE
mbed_official 365:7ced7d9d5ffe 42
mbed_official 365:7ced7d9d5ffe 43 This is just a check for the bare minimum for the Heap+Stack area before
mbed_official 365:7ced7d9d5ffe 44 aborting compilation, it is not the run time limit:
mbed_official 365:7ced7d9d5ffe 45 Heap_Size + Stack_Size = 0x80 + 0x80 = 0x100
mbed_official 365:7ced7d9d5ffe 46 */
mbed_official 365:7ced7d9d5ffe 47 .section .stack
mbed_official 365:7ced7d9d5ffe 48 .align 3
mbed_official 365:7ced7d9d5ffe 49 #ifdef __STACK_SIZE
mbed_official 365:7ced7d9d5ffe 50 .equ Stack_Size, __STACK_SIZE
mbed_official 365:7ced7d9d5ffe 51 #else
mbed_official 365:7ced7d9d5ffe 52 .equ Stack_Size, 0x80
mbed_official 365:7ced7d9d5ffe 53 #endif
mbed_official 365:7ced7d9d5ffe 54 .globl __StackTop
mbed_official 365:7ced7d9d5ffe 55 .globl __StackLimit
mbed_official 365:7ced7d9d5ffe 56 __StackLimit:
mbed_official 365:7ced7d9d5ffe 57 .space Stack_Size
mbed_official 365:7ced7d9d5ffe 58 .size __StackLimit, . - __StackLimit
mbed_official 365:7ced7d9d5ffe 59 __StackTop:
mbed_official 365:7ced7d9d5ffe 60 .size __StackTop, . - __StackTop
mbed_official 365:7ced7d9d5ffe 61
mbed_official 365:7ced7d9d5ffe 62 .section .heap
mbed_official 365:7ced7d9d5ffe 63 .align 3
mbed_official 365:7ced7d9d5ffe 64 #ifdef __HEAP_SIZE
mbed_official 365:7ced7d9d5ffe 65 .equ Heap_Size, __HEAP_SIZE
mbed_official 365:7ced7d9d5ffe 66 #else
mbed_official 365:7ced7d9d5ffe 67 .equ Heap_Size, 0x80
mbed_official 365:7ced7d9d5ffe 68 #endif
mbed_official 365:7ced7d9d5ffe 69 .globl __HeapBase
mbed_official 365:7ced7d9d5ffe 70 .globl __HeapLimit
mbed_official 365:7ced7d9d5ffe 71 __HeapBase:
mbed_official 365:7ced7d9d5ffe 72 .space Heap_Size
mbed_official 365:7ced7d9d5ffe 73 .size __HeapBase, . - __HeapBase
mbed_official 365:7ced7d9d5ffe 74 __HeapLimit:
mbed_official 365:7ced7d9d5ffe 75 .size __HeapLimit, . - __HeapLimit
mbed_official 365:7ced7d9d5ffe 76
mbed_official 365:7ced7d9d5ffe 77 .section .isr_vector
mbed_official 365:7ced7d9d5ffe 78 .align 2
mbed_official 365:7ced7d9d5ffe 79 .globl __isr_vector
mbed_official 365:7ced7d9d5ffe 80 __isr_vector:
mbed_official 365:7ced7d9d5ffe 81 .long __StackTop /* Top of Stack */
mbed_official 365:7ced7d9d5ffe 82 .long Reset_Handler /* Reset Handler */
mbed_official 365:7ced7d9d5ffe 83 .long NMI_Handler /* NMI Handler */
mbed_official 365:7ced7d9d5ffe 84 .long HardFault_Handler /* Hard Fault Handler */
mbed_official 365:7ced7d9d5ffe 85 .long 0 /* Reserved */
mbed_official 365:7ced7d9d5ffe 86 .long 0 /* Reserved */
mbed_official 365:7ced7d9d5ffe 87 .long 0 /* Reserved */
mbed_official 365:7ced7d9d5ffe 88 .long 0 /* Reserved */
mbed_official 365:7ced7d9d5ffe 89 .long 0 /* Reserved */
mbed_official 365:7ced7d9d5ffe 90 .long 0 /* Reserved */
mbed_official 365:7ced7d9d5ffe 91 .long 0 /* Reserved */
mbed_official 365:7ced7d9d5ffe 92 .long SVC_Handler /* SVCall Handler */
mbed_official 365:7ced7d9d5ffe 93 .long 0 /* Reserved */
mbed_official 365:7ced7d9d5ffe 94 .long 0 /* Reserved */
mbed_official 365:7ced7d9d5ffe 95 .long PendSV_Handler /* PendSV Handler */
mbed_official 365:7ced7d9d5ffe 96 .long SysTick_Handler /* SysTick Handler */
mbed_official 365:7ced7d9d5ffe 97
mbed_official 365:7ced7d9d5ffe 98 /* LPC824 interrupts */
mbed_official 365:7ced7d9d5ffe 99 .long SPI0_IRQHandler // SPI0 controller
mbed_official 365:7ced7d9d5ffe 100 .long SPI1_IRQHandler // SPI1 controller
mbed_official 514:7668256dbe61 101 .long 0 // Reserved
mbed_official 365:7ced7d9d5ffe 102 .long UART0_IRQHandler // UART0
mbed_official 365:7ced7d9d5ffe 103 .long UART1_IRQHandler // UART1
mbed_official 365:7ced7d9d5ffe 104 .long UART2_IRQHandler // UART2
mbed_official 514:7668256dbe61 105 .long 0 // Reserved
mbed_official 514:7668256dbe61 106 .long I2C1_IRQHandler // I2C ch1 controller
mbed_official 514:7668256dbe61 107 .long I2C0_IRQHandler // I2C ch0 controller
mbed_official 365:7ced7d9d5ffe 108 .long SCT_IRQHandler // Smart Counter Timer
mbed_official 365:7ced7d9d5ffe 109 .long MRT_IRQHandler // Multi-Rate Timer
mbed_official 365:7ced7d9d5ffe 110 .long CMP_IRQHandler // Comparator
mbed_official 365:7ced7d9d5ffe 111 .long WDT_IRQHandler // PIO1 (0:11)
mbed_official 365:7ced7d9d5ffe 112 .long BOD_IRQHandler // Brown Out Detect
mbed_official 514:7668256dbe61 113 .long Flash_IRQHandler // Flash interrupt
mbed_official 365:7ced7d9d5ffe 114 .long WKT_IRQHandler // Wakeup timer
mbed_official 514:7668256dbe61 115 .long ADC_SEQA_IRQHandler // ADC sequence A completion
mbed_official 514:7668256dbe61 116 .long ADC_SEQB_IRQHandler // ADC sequence B completion
mbed_official 514:7668256dbe61 117 .long ADC_THCMP_IRQHandler // ADC threshold compare
mbed_official 514:7668256dbe61 118 .long ADC_OVR_IRQHandler // ADC overrun
mbed_official 514:7668256dbe61 119 .long DMA_IRQHandler // DMA interrupt
mbed_official 514:7668256dbe61 120 .long I2C2_IRQHandler // I2C2 controller
mbed_official 514:7668256dbe61 121 .long I2C3_IRQHandler // I2C3 controller
mbed_official 514:7668256dbe61 122 .long 0 // Reserved
mbed_official 365:7ced7d9d5ffe 123 .long PININT0_IRQHandler // PIO INT0
mbed_official 365:7ced7d9d5ffe 124 .long PININT1_IRQHandler // PIO INT1
mbed_official 365:7ced7d9d5ffe 125 .long PININT2_IRQHandler // PIO INT2
mbed_official 365:7ced7d9d5ffe 126 .long PININT3_IRQHandler // PIO INT3
mbed_official 365:7ced7d9d5ffe 127 .long PININT4_IRQHandler // PIO INT4
mbed_official 365:7ced7d9d5ffe 128 .long PININT5_IRQHandler // PIO INT5
mbed_official 365:7ced7d9d5ffe 129 .long PININT6_IRQHandler // PIO INT6
mbed_official 365:7ced7d9d5ffe 130 .long PININT7_IRQHandler // PIO INT7
mbed_official 365:7ced7d9d5ffe 131
mbed_official 365:7ced7d9d5ffe 132 .size __isr_vector, . - __isr_vector
mbed_official 365:7ced7d9d5ffe 133
mbed_official 365:7ced7d9d5ffe 134 .section .text.Reset_Handler
mbed_official 365:7ced7d9d5ffe 135 .thumb
mbed_official 365:7ced7d9d5ffe 136 .thumb_func
mbed_official 365:7ced7d9d5ffe 137 .align 2
mbed_official 365:7ced7d9d5ffe 138 .globl Reset_Handler
mbed_official 365:7ced7d9d5ffe 139 .type Reset_Handler, %function
mbed_official 365:7ced7d9d5ffe 140 Reset_Handler:
mbed_official 365:7ced7d9d5ffe 141 /* Loop to copy data from read only memory to RAM. The ranges
mbed_official 365:7ced7d9d5ffe 142 * of copy from/to are specified by following symbols evaluated in
mbed_official 365:7ced7d9d5ffe 143 * linker script.
mbed_official 365:7ced7d9d5ffe 144 * __etext: End of code section, i.e., begin of data sections to copy from.
mbed_official 365:7ced7d9d5ffe 145 * __data_start__/__data_end__: RAM address range that data should be
mbed_official 365:7ced7d9d5ffe 146 * copied to. Both must be aligned to 4 bytes boundary. */
mbed_official 365:7ced7d9d5ffe 147
mbed_official 365:7ced7d9d5ffe 148 ldr r1, =__etext
mbed_official 365:7ced7d9d5ffe 149 ldr r2, =__data_start__
mbed_official 365:7ced7d9d5ffe 150 ldr r3, =__data_end__
mbed_official 365:7ced7d9d5ffe 151
mbed_official 365:7ced7d9d5ffe 152 subs r3, r2
mbed_official 365:7ced7d9d5ffe 153 ble .Lflash_to_ram_loop_end
mbed_official 365:7ced7d9d5ffe 154
mbed_official 365:7ced7d9d5ffe 155 movs r4, 0
mbed_official 365:7ced7d9d5ffe 156 .Lflash_to_ram_loop:
mbed_official 365:7ced7d9d5ffe 157 ldr r0, [r1,r4]
mbed_official 365:7ced7d9d5ffe 158 str r0, [r2,r4]
mbed_official 365:7ced7d9d5ffe 159 adds r4, 4
mbed_official 365:7ced7d9d5ffe 160 cmp r4, r3
mbed_official 365:7ced7d9d5ffe 161 blt .Lflash_to_ram_loop
mbed_official 365:7ced7d9d5ffe 162 .Lflash_to_ram_loop_end:
mbed_official 365:7ced7d9d5ffe 163
mbed_official 365:7ced7d9d5ffe 164 ldr r0, =SystemInit
mbed_official 365:7ced7d9d5ffe 165 blx r0
mbed_official 365:7ced7d9d5ffe 166 ldr r0, =_start
mbed_official 365:7ced7d9d5ffe 167 bx r0
mbed_official 365:7ced7d9d5ffe 168 .pool
mbed_official 365:7ced7d9d5ffe 169 .size Reset_Handler, . - Reset_Handler
mbed_official 365:7ced7d9d5ffe 170
mbed_official 365:7ced7d9d5ffe 171 .text
mbed_official 365:7ced7d9d5ffe 172 /* Macro to define default handlers. Default handler
mbed_official 365:7ced7d9d5ffe 173 * will be weak symbol and just dead loops. They can be
mbed_official 365:7ced7d9d5ffe 174 * overwritten by other handlers */
mbed_official 365:7ced7d9d5ffe 175 .macro def_default_handler handler_name
mbed_official 365:7ced7d9d5ffe 176 .align 1
mbed_official 365:7ced7d9d5ffe 177 .thumb_func
mbed_official 365:7ced7d9d5ffe 178 .weak \handler_name
mbed_official 365:7ced7d9d5ffe 179 .type \handler_name, %function
mbed_official 365:7ced7d9d5ffe 180 \handler_name :
mbed_official 365:7ced7d9d5ffe 181 b .
mbed_official 365:7ced7d9d5ffe 182 .size \handler_name, . - \handler_name
mbed_official 365:7ced7d9d5ffe 183 .endm
mbed_official 365:7ced7d9d5ffe 184
mbed_official 365:7ced7d9d5ffe 185 def_default_handler NMI_Handler
mbed_official 365:7ced7d9d5ffe 186 def_default_handler HardFault_Handler
mbed_official 365:7ced7d9d5ffe 187 def_default_handler SVC_Handler
mbed_official 365:7ced7d9d5ffe 188 def_default_handler PendSV_Handler
mbed_official 365:7ced7d9d5ffe 189 def_default_handler SysTick_Handler
mbed_official 365:7ced7d9d5ffe 190 def_default_handler Default_Handler
mbed_official 365:7ced7d9d5ffe 191
mbed_official 365:7ced7d9d5ffe 192 .macro def_irq_default_handler handler_name
mbed_official 365:7ced7d9d5ffe 193 .weak \handler_name
mbed_official 365:7ced7d9d5ffe 194 .set \handler_name, Default_Handler
mbed_official 365:7ced7d9d5ffe 195 .endm
mbed_official 514:7668256dbe61 196
mbed_official 365:7ced7d9d5ffe 197 def_irq_default_handler SPI0_IRQHandler
mbed_official 365:7ced7d9d5ffe 198 def_irq_default_handler SPI1_IRQHandler
mbed_official 365:7ced7d9d5ffe 199 def_irq_default_handler UART0_IRQHandler
mbed_official 365:7ced7d9d5ffe 200 def_irq_default_handler UART1_IRQHandler
mbed_official 365:7ced7d9d5ffe 201 def_irq_default_handler UART2_IRQHandler
mbed_official 514:7668256dbe61 202 def_irq_default_handler I2C0_IRQHandler
mbed_official 514:7668256dbe61 203 def_irq_default_handler I2C1_IRQHandler
mbed_official 514:7668256dbe61 204 def_irq_default_handler I2C2_IRQHandler
mbed_official 514:7668256dbe61 205 def_irq_default_handler I2C3_IRQHandler
mbed_official 365:7ced7d9d5ffe 206 def_irq_default_handler SCT_IRQHandler
mbed_official 365:7ced7d9d5ffe 207 def_irq_default_handler MRT_IRQHandler
mbed_official 365:7ced7d9d5ffe 208 def_irq_default_handler CMP_IRQHandler
mbed_official 365:7ced7d9d5ffe 209 def_irq_default_handler WDT_IRQHandler
mbed_official 365:7ced7d9d5ffe 210 def_irq_default_handler BOD_IRQHandler
mbed_official 514:7668256dbe61 211 def_irq_default_handler Flash_IRQHandler
mbed_official 365:7ced7d9d5ffe 212 def_irq_default_handler WKT_IRQHandler
mbed_official 514:7668256dbe61 213 def_irq_default_handler ADC_SEQA_IRQHandler
mbed_official 514:7668256dbe61 214 def_irq_default_handler ADC_SEQB_IRQHandler
mbed_official 514:7668256dbe61 215 def_irq_default_handler ADC_THCMP_IRQHandler
mbed_official 514:7668256dbe61 216 def_irq_default_handler ADC_OVR_IRQHandler
mbed_official 514:7668256dbe61 217 def_irq_default_handler DMA_IRQHandler
mbed_official 365:7ced7d9d5ffe 218 def_irq_default_handler PININT0_IRQHandler
mbed_official 365:7ced7d9d5ffe 219 def_irq_default_handler PININT1_IRQHandler
mbed_official 365:7ced7d9d5ffe 220 def_irq_default_handler PININT2_IRQHandler
mbed_official 365:7ced7d9d5ffe 221 def_irq_default_handler PININT3_IRQHandler
mbed_official 365:7ced7d9d5ffe 222 def_irq_default_handler PININT4_IRQHandler
mbed_official 365:7ced7d9d5ffe 223 def_irq_default_handler PININT5_IRQHandler
mbed_official 365:7ced7d9d5ffe 224 def_irq_default_handler PININT6_IRQHandler
mbed_official 514:7668256dbe61 225 def_irq_default_handler PININT7_IRQHandler
mbed_official 365:7ced7d9d5ffe 226
mbed_official 365:7ced7d9d5ffe 227 .end
mbed_official 365:7ced7d9d5ffe 228