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_Silicon_Labs/TARGET_EFM32/TARGET_EFM32LG_STK3600/TOOLCHAIN_GCC_ARM/startup_efm32lg.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_Silicon_Labs/TARGET_EFM32/TARGET_EFM32LG_STK3600/TOOLCHAIN_GCC_ARM/startup_efm32lg.s@525:c320967f86b9 
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 525:c320967f86b9 1 /* @file startup_efm32lg.S
mbed_official 525:c320967f86b9 2 * @brief startup file for Silicon Labs EFM32LG devices.
mbed_official 525:c320967f86b9 3 * For use with GCC for ARM Embedded Processors
mbed_official 525:c320967f86b9 4 * @version 3.20.6
mbed_official 525:c320967f86b9 5 * Date: 08 Feb 2012
mbed_official 525:c320967f86b9 6 *
mbed_official 525:c320967f86b9 7 * Copyright (c) 2012, ARM Limited
mbed_official 525:c320967f86b9 8 * All rights reserved.
mbed_official 525:c320967f86b9 9 *
mbed_official 525:c320967f86b9 10 * Redistribution and use in source and binary forms, with or without
mbed_official 525:c320967f86b9 11 * modification, are permitted provided that the following conditions are met:
mbed_official 525:c320967f86b9 12 * Redistributions of source code must retain the above copyright
mbed_official 525:c320967f86b9 13 notice, this list of conditions and the following disclaimer.
mbed_official 525:c320967f86b9 14 * Redistributions in binary form must reproduce the above copyright
mbed_official 525:c320967f86b9 15 notice, this list of conditions and the following disclaimer in the
mbed_official 525:c320967f86b9 16 documentation and/or other materials provided with the distribution.
mbed_official 525:c320967f86b9 17 * Neither the name of the ARM Limited nor the
mbed_official 525:c320967f86b9 18 names of its contributors may be used to endorse or promote products
mbed_official 525:c320967f86b9 19 derived from this software without specific prior written permission.
mbed_official 525:c320967f86b9 20 *
mbed_official 525:c320967f86b9 21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
mbed_official 525:c320967f86b9 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
mbed_official 525:c320967f86b9 23 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
mbed_official 525:c320967f86b9 24 * DISCLAIMED. IN NO EVENT SHALL ARM LIMITED BE LIABLE FOR ANY
mbed_official 525:c320967f86b9 25 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
mbed_official 525:c320967f86b9 26 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
mbed_official 525:c320967f86b9 27 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
mbed_official 525:c320967f86b9 28 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
mbed_official 525:c320967f86b9 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
mbed_official 525:c320967f86b9 30 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
mbed_official 525:c320967f86b9 31 */
mbed_official 525:c320967f86b9 32 .syntax unified
mbed_official 525:c320967f86b9 33 .arch armv7-m
mbed_official 525:c320967f86b9 34
mbed_official 525:c320967f86b9 35 .section .stack
mbed_official 525:c320967f86b9 36 .align 3
mbed_official 525:c320967f86b9 37 #ifdef __STACK_SIZE
mbed_official 525:c320967f86b9 38 .equ Stack_Size, __STACK_SIZE
mbed_official 525:c320967f86b9 39 #else
mbed_official 525:c320967f86b9 40 .equ Stack_Size, 0x400
mbed_official 525:c320967f86b9 41 #endif
mbed_official 525:c320967f86b9 42 .globl __StackTop
mbed_official 525:c320967f86b9 43 .globl __StackLimit
mbed_official 525:c320967f86b9 44 __StackLimit:
mbed_official 525:c320967f86b9 45 .space Stack_Size
mbed_official 525:c320967f86b9 46 .size __StackLimit, . - __StackLimit
mbed_official 525:c320967f86b9 47 __StackTop:
mbed_official 525:c320967f86b9 48 .size __StackTop, . - __StackTop
mbed_official 525:c320967f86b9 49
mbed_official 525:c320967f86b9 50 .section .heap
mbed_official 525:c320967f86b9 51 .align 3
mbed_official 525:c320967f86b9 52 #ifdef __HEAP_SIZE
mbed_official 525:c320967f86b9 53 .equ Heap_Size, __HEAP_SIZE
mbed_official 525:c320967f86b9 54 #else
mbed_official 525:c320967f86b9 55 .equ Heap_Size, 0xC00
mbed_official 525:c320967f86b9 56 #endif
mbed_official 525:c320967f86b9 57 .globl __HeapBase
mbed_official 525:c320967f86b9 58 .globl __HeapLimit
mbed_official 525:c320967f86b9 59 __HeapBase:
mbed_official 525:c320967f86b9 60 .if Heap_Size
mbed_official 525:c320967f86b9 61 .space Heap_Size
mbed_official 525:c320967f86b9 62 .endif
mbed_official 525:c320967f86b9 63 .size __HeapBase, . - __HeapBase
mbed_official 525:c320967f86b9 64 __HeapLimit:
mbed_official 525:c320967f86b9 65 .size __HeapLimit, . - __HeapLimit
mbed_official 525:c320967f86b9 66
mbed_official 525:c320967f86b9 67 .section .isr_vector
mbed_official 525:c320967f86b9 68 .align 8
mbed_official 525:c320967f86b9 69 .globl __isr_vector
mbed_official 525:c320967f86b9 70 __isr_vector:
mbed_official 525:c320967f86b9 71 .long __StackTop /* Top of Stack */
mbed_official 525:c320967f86b9 72 .long Reset_Handler /* Reset Handler */
mbed_official 525:c320967f86b9 73 .long NMI_Handler /* NMI Handler */
mbed_official 525:c320967f86b9 74 .long HardFault_Handler /* Hard Fault Handler */
mbed_official 525:c320967f86b9 75 .long MemManage_Handler /* MPU Fault Handler */
mbed_official 525:c320967f86b9 76 .long BusFault_Handler /* Bus Fault Handler */
mbed_official 525:c320967f86b9 77 .long UsageFault_Handler /* Usage Fault Handler */
mbed_official 525:c320967f86b9 78 .long Default_Handler /* Reserved */
mbed_official 525:c320967f86b9 79 .long Default_Handler /* Reserved */
mbed_official 525:c320967f86b9 80 .long Default_Handler /* Reserved */
mbed_official 525:c320967f86b9 81 .long Default_Handler /* Reserved */
mbed_official 525:c320967f86b9 82 .long SVC_Handler /* SVCall Handler */
mbed_official 525:c320967f86b9 83 .long DebugMon_Handler /* Debug Monitor Handler */
mbed_official 525:c320967f86b9 84 .long Default_Handler /* Reserved */
mbed_official 525:c320967f86b9 85 .long PendSV_Handler /* PendSV Handler */
mbed_official 525:c320967f86b9 86 .long SysTick_Handler /* SysTick Handler */
mbed_official 525:c320967f86b9 87
mbed_official 525:c320967f86b9 88 /* External interrupts */
mbed_official 525:c320967f86b9 89 .long DMA_IRQHandler /* 0 - DMA */
mbed_official 525:c320967f86b9 90 .long GPIO_EVEN_IRQHandler /* 1 - GPIO_EVEN */
mbed_official 525:c320967f86b9 91 .long TIMER0_IRQHandler /* 2 - TIMER0 */
mbed_official 525:c320967f86b9 92 .long USART0_RX_IRQHandler /* 3 - USART0_RX */
mbed_official 525:c320967f86b9 93 .long USART0_TX_IRQHandler /* 4 - USART0_TX */
mbed_official 525:c320967f86b9 94 .long USB_IRQHandler /* 5 - USB */
mbed_official 525:c320967f86b9 95 .long ACMP0_IRQHandler /* 6 - ACMP0 */
mbed_official 525:c320967f86b9 96 .long ADC0_IRQHandler /* 7 - ADC0 */
mbed_official 525:c320967f86b9 97 .long DAC0_IRQHandler /* 8 - DAC0 */
mbed_official 525:c320967f86b9 98 .long I2C0_IRQHandler /* 9 - I2C0 */
mbed_official 525:c320967f86b9 99 .long I2C1_IRQHandler /* 10 - I2C1 */
mbed_official 525:c320967f86b9 100 .long GPIO_ODD_IRQHandler /* 11 - GPIO_ODD */
mbed_official 525:c320967f86b9 101 .long TIMER1_IRQHandler /* 12 - TIMER1 */
mbed_official 525:c320967f86b9 102 .long TIMER2_IRQHandler /* 13 - TIMER2 */
mbed_official 525:c320967f86b9 103 .long TIMER3_IRQHandler /* 14 - TIMER3 */
mbed_official 525:c320967f86b9 104 .long USART1_RX_IRQHandler /* 15 - USART1_RX */
mbed_official 525:c320967f86b9 105 .long USART1_TX_IRQHandler /* 16 - USART1_TX */
mbed_official 525:c320967f86b9 106 .long LESENSE_IRQHandler /* 17 - LESENSE */
mbed_official 525:c320967f86b9 107 .long USART2_RX_IRQHandler /* 18 - USART2_RX */
mbed_official 525:c320967f86b9 108 .long USART2_TX_IRQHandler /* 19 - USART2_TX */
mbed_official 525:c320967f86b9 109 .long UART0_RX_IRQHandler /* 20 - UART0_RX */
mbed_official 525:c320967f86b9 110 .long UART0_TX_IRQHandler /* 21 - UART0_TX */
mbed_official 525:c320967f86b9 111 .long UART1_RX_IRQHandler /* 22 - UART1_RX */
mbed_official 525:c320967f86b9 112 .long UART1_TX_IRQHandler /* 23 - UART1_TX */
mbed_official 525:c320967f86b9 113 .long LEUART0_IRQHandler /* 24 - LEUART0 */
mbed_official 525:c320967f86b9 114 .long LEUART1_IRQHandler /* 25 - LEUART1 */
mbed_official 525:c320967f86b9 115 .long LETIMER0_IRQHandler /* 26 - LETIMER0 */
mbed_official 525:c320967f86b9 116 .long PCNT0_IRQHandler /* 27 - PCNT0 */
mbed_official 525:c320967f86b9 117 .long PCNT1_IRQHandler /* 28 - PCNT1 */
mbed_official 525:c320967f86b9 118 .long PCNT2_IRQHandler /* 29 - PCNT2 */
mbed_official 525:c320967f86b9 119 .long RTC_IRQHandler /* 30 - RTC */
mbed_official 525:c320967f86b9 120 .long BURTC_IRQHandler /* 31 - BURTC */
mbed_official 525:c320967f86b9 121 .long CMU_IRQHandler /* 32 - CMU */
mbed_official 525:c320967f86b9 122 .long VCMP_IRQHandler /* 33 - VCMP */
mbed_official 525:c320967f86b9 123 .long LCD_IRQHandler /* 34 - LCD */
mbed_official 525:c320967f86b9 124 .long MSC_IRQHandler /* 35 - MSC */
mbed_official 525:c320967f86b9 125 .long AES_IRQHandler /* 36 - AES */
mbed_official 525:c320967f86b9 126 .long EBI_IRQHandler /* 37 - EBI */
mbed_official 525:c320967f86b9 127 .long EMU_IRQHandler /* 38 - EMU */
mbed_official 525:c320967f86b9 128
mbed_official 525:c320967f86b9 129
mbed_official 525:c320967f86b9 130 .size __isr_vector, . - __isr_vector
mbed_official 525:c320967f86b9 131
mbed_official 525:c320967f86b9 132 .text
mbed_official 525:c320967f86b9 133 .thumb
mbed_official 525:c320967f86b9 134 .thumb_func
mbed_official 525:c320967f86b9 135 .align 2
mbed_official 525:c320967f86b9 136 .globl Reset_Handler
mbed_official 525:c320967f86b9 137 .type Reset_Handler, %function
mbed_official 525:c320967f86b9 138 Reset_Handler:
mbed_official 525:c320967f86b9 139 /* Loop to copy data from read only memory to RAM. The ranges
mbed_official 525:c320967f86b9 140 * of copy from/to are specified by following symbols evaluated in
mbed_official 525:c320967f86b9 141 * linker script.
mbed_official 525:c320967f86b9 142 * __etext: End of code section, i.e., begin of data sections to copy from.
mbed_official 525:c320967f86b9 143 * __data_start__/__data_end__: RAM address range that data should be
mbed_official 525:c320967f86b9 144 * copied to. Both must be aligned to 4 bytes boundary. */
mbed_official 525:c320967f86b9 145 #ifndef __NO_SYSTEM_INIT
mbed_official 525:c320967f86b9 146 ldr r0, =SystemInit
mbed_official 525:c320967f86b9 147 blx r0
mbed_official 525:c320967f86b9 148 #endif
mbed_official 525:c320967f86b9 149 ldr r1, =__etext
mbed_official 525:c320967f86b9 150 ldr r2, =__data_start__
mbed_official 525:c320967f86b9 151 ldr r3, =__data_end__
mbed_official 525:c320967f86b9 152
mbed_official 525:c320967f86b9 153 subs r3, r2
mbed_official 525:c320967f86b9 154 ble .flash_to_ram_loop_end
mbed_official 525:c320967f86b9 155 .flash_to_ram_loop:
mbed_official 525:c320967f86b9 156 subs r3, #4
mbed_official 525:c320967f86b9 157 ldr r0, [r1, r3]
mbed_official 525:c320967f86b9 158 str r0, [r2, r3]
mbed_official 525:c320967f86b9 159 bgt .flash_to_ram_loop
mbed_official 525:c320967f86b9 160 .flash_to_ram_loop_end:
mbed_official 525:c320967f86b9 161
mbed_official 525:c320967f86b9 162 ldr r0, =_start
mbed_official 525:c320967f86b9 163 bx r0
mbed_official 525:c320967f86b9 164 .pool
mbed_official 525:c320967f86b9 165 .size Reset_Handler, . - Reset_Handler
mbed_official 525:c320967f86b9 166
mbed_official 525:c320967f86b9 167 /* Macro to define default handlers. Default handler
mbed_official 525:c320967f86b9 168 * will be weak symbol and just dead loops. They can be
mbed_official 525:c320967f86b9 169 * overwritten by other handlers */
mbed_official 525:c320967f86b9 170 .macro def_irq_handler handler_name
mbed_official 525:c320967f86b9 171 .align 1
mbed_official 525:c320967f86b9 172 .thumb_func
mbed_official 525:c320967f86b9 173 .weak \handler_name
mbed_official 525:c320967f86b9 174 .type \handler_name, %function
mbed_official 525:c320967f86b9 175 \handler_name:
mbed_official 525:c320967f86b9 176 b .
mbed_official 525:c320967f86b9 177 .size \handler_name, . - \handler_name
mbed_official 525:c320967f86b9 178 .endm
mbed_official 525:c320967f86b9 179
mbed_official 525:c320967f86b9 180 def_irq_handler Default_Handler
mbed_official 525:c320967f86b9 181
mbed_official 525:c320967f86b9 182 def_irq_handler NMI_Handler
mbed_official 525:c320967f86b9 183 def_irq_handler HardFault_Handler
mbed_official 525:c320967f86b9 184 def_irq_handler MemManage_Handler
mbed_official 525:c320967f86b9 185 def_irq_handler BusFault_Handler
mbed_official 525:c320967f86b9 186 def_irq_handler UsageFault_Handler
mbed_official 525:c320967f86b9 187 def_irq_handler SVC_Handler
mbed_official 525:c320967f86b9 188 def_irq_handler DebugMon_Handler
mbed_official 525:c320967f86b9 189 def_irq_handler PendSV_Handler
mbed_official 525:c320967f86b9 190 def_irq_handler SysTick_Handler
mbed_official 525:c320967f86b9 191
mbed_official 525:c320967f86b9 192 def_irq_handler DMA_IRQHandler
mbed_official 525:c320967f86b9 193 def_irq_handler GPIO_EVEN_IRQHandler
mbed_official 525:c320967f86b9 194 def_irq_handler TIMER0_IRQHandler
mbed_official 525:c320967f86b9 195 def_irq_handler USART0_RX_IRQHandler
mbed_official 525:c320967f86b9 196 def_irq_handler USART0_TX_IRQHandler
mbed_official 525:c320967f86b9 197 def_irq_handler USB_IRQHandler
mbed_official 525:c320967f86b9 198 def_irq_handler ACMP0_IRQHandler
mbed_official 525:c320967f86b9 199 def_irq_handler ADC0_IRQHandler
mbed_official 525:c320967f86b9 200 def_irq_handler DAC0_IRQHandler
mbed_official 525:c320967f86b9 201 def_irq_handler I2C0_IRQHandler
mbed_official 525:c320967f86b9 202 def_irq_handler I2C1_IRQHandler
mbed_official 525:c320967f86b9 203 def_irq_handler GPIO_ODD_IRQHandler
mbed_official 525:c320967f86b9 204 def_irq_handler TIMER1_IRQHandler
mbed_official 525:c320967f86b9 205 def_irq_handler TIMER2_IRQHandler
mbed_official 525:c320967f86b9 206 def_irq_handler TIMER3_IRQHandler
mbed_official 525:c320967f86b9 207 def_irq_handler USART1_RX_IRQHandler
mbed_official 525:c320967f86b9 208 def_irq_handler USART1_TX_IRQHandler
mbed_official 525:c320967f86b9 209 def_irq_handler LESENSE_IRQHandler
mbed_official 525:c320967f86b9 210 def_irq_handler USART2_RX_IRQHandler
mbed_official 525:c320967f86b9 211 def_irq_handler USART2_TX_IRQHandler
mbed_official 525:c320967f86b9 212 def_irq_handler UART0_RX_IRQHandler
mbed_official 525:c320967f86b9 213 def_irq_handler UART0_TX_IRQHandler
mbed_official 525:c320967f86b9 214 def_irq_handler UART1_RX_IRQHandler
mbed_official 525:c320967f86b9 215 def_irq_handler UART1_TX_IRQHandler
mbed_official 525:c320967f86b9 216 def_irq_handler LEUART0_IRQHandler
mbed_official 525:c320967f86b9 217 def_irq_handler LEUART1_IRQHandler
mbed_official 525:c320967f86b9 218 def_irq_handler LETIMER0_IRQHandler
mbed_official 525:c320967f86b9 219 def_irq_handler PCNT0_IRQHandler
mbed_official 525:c320967f86b9 220 def_irq_handler PCNT1_IRQHandler
mbed_official 525:c320967f86b9 221 def_irq_handler PCNT2_IRQHandler
mbed_official 525:c320967f86b9 222 def_irq_handler RTC_IRQHandler
mbed_official 525:c320967f86b9 223 def_irq_handler BURTC_IRQHandler
mbed_official 525:c320967f86b9 224 def_irq_handler CMU_IRQHandler
mbed_official 525:c320967f86b9 225 def_irq_handler VCMP_IRQHandler
mbed_official 525:c320967f86b9 226 def_irq_handler LCD_IRQHandler
mbed_official 525:c320967f86b9 227 def_irq_handler MSC_IRQHandler
mbed_official 525:c320967f86b9 228 def_irq_handler AES_IRQHandler
mbed_official 525:c320967f86b9 229 def_irq_handler EBI_IRQHandler
mbed_official 525:c320967f86b9 230 def_irq_handler EMU_IRQHandler
mbed_official 525:c320967f86b9 231
mbed_official 525:c320967f86b9 232
mbed_official 525:c320967f86b9 233 .end