marcus chiou / mbed-src

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targets/cmsis/TARGET_Silicon_Labs/TARGET_EFM32/TARGET_EFM32ZG_STK3200/TOOLCHAIN_GCC_ARM/startup_efm32zg.S@535:35ad5cbb2f6a, 2015-05-06 (annotated)

Committer:
mbed_official
Date:
Wed May 06 14:15:12 2015 +0100
Revision:
535:35ad5cbb2f6a
Parent:
525:c320967f86b9 
Synchronized with git revision 53280295abca097d107e8afe7f31871a2b65dc9f



Full URL: https://github.com/mbedmicro/mbed/commit/53280295abca097d107e8afe7f31871a2b65dc9f/



Silicon Labs - Add the no-rtti C++ compilation flag required for linking libmbed.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 525:c320967f86b9 1 /* @file startup_efm32zg.S
mbed_official 525:c320967f86b9 2 * @brief startup file for Silicon Labs EFM32ZG 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 armv6-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 535:35ad5cbb2f6a 40 .equ Stack_Size, 0x200
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, 0x0
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 Default_Handler /* Reserved */
mbed_official 525:c320967f86b9 76 .long Default_Handler /* Reserved */
mbed_official 525:c320967f86b9 77 .long Default_Handler /* Reserved */
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 Default_Handler /* Reserved */
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 ACMP0_IRQHandler /* 3 - ACMP0 */
mbed_official 525:c320967f86b9 93 .long ADC0_IRQHandler /* 4 - ADC0 */
mbed_official 525:c320967f86b9 94 .long I2C0_IRQHandler /* 5 - I2C0 */
mbed_official 525:c320967f86b9 95 .long GPIO_ODD_IRQHandler /* 6 - GPIO_ODD */
mbed_official 525:c320967f86b9 96 .long TIMER1_IRQHandler /* 7 - TIMER1 */
mbed_official 525:c320967f86b9 97 .long USART1_RX_IRQHandler /* 8 - USART1_RX */
mbed_official 525:c320967f86b9 98 .long USART1_TX_IRQHandler /* 9 - USART1_TX */
mbed_official 525:c320967f86b9 99 .long LEUART0_IRQHandler /* 10 - LEUART0 */
mbed_official 525:c320967f86b9 100 .long PCNT0_IRQHandler /* 11 - PCNT0 */
mbed_official 525:c320967f86b9 101 .long RTC_IRQHandler /* 12 - RTC */
mbed_official 525:c320967f86b9 102 .long CMU_IRQHandler /* 13 - CMU */
mbed_official 525:c320967f86b9 103 .long VCMP_IRQHandler /* 14 - VCMP */
mbed_official 525:c320967f86b9 104 .long MSC_IRQHandler /* 15 - MSC */
mbed_official 525:c320967f86b9 105 .long AES_IRQHandler /* 16 - AES */
mbed_official 525:c320967f86b9 106
mbed_official 525:c320967f86b9 107
mbed_official 525:c320967f86b9 108 .size __isr_vector, . - __isr_vector
mbed_official 525:c320967f86b9 109
mbed_official 525:c320967f86b9 110 .text
mbed_official 525:c320967f86b9 111 .thumb
mbed_official 525:c320967f86b9 112 .thumb_func
mbed_official 525:c320967f86b9 113 .align 2
mbed_official 525:c320967f86b9 114 .globl Reset_Handler
mbed_official 525:c320967f86b9 115 .type Reset_Handler, %function
mbed_official 525:c320967f86b9 116 Reset_Handler:
mbed_official 525:c320967f86b9 117 /* Loop to copy data from read only memory to RAM. The ranges
mbed_official 525:c320967f86b9 118 * of copy from/to are specified by following symbols evaluated in
mbed_official 525:c320967f86b9 119 * linker script.
mbed_official 525:c320967f86b9 120 * __etext: End of code section, i.e., begin of data sections to copy from.
mbed_official 525:c320967f86b9 121 * __data_start__/__data_end__: RAM address range that data should be
mbed_official 525:c320967f86b9 122 * copied to. Both must be aligned to 4 bytes boundary. */
mbed_official 525:c320967f86b9 123 #ifndef __NO_SYSTEM_INIT
mbed_official 525:c320967f86b9 124 ldr r0, =SystemInit
mbed_official 525:c320967f86b9 125 blx r0
mbed_official 525:c320967f86b9 126 #endif
mbed_official 525:c320967f86b9 127 ldr r1, =__etext
mbed_official 525:c320967f86b9 128 ldr r2, =__data_start__
mbed_official 525:c320967f86b9 129 ldr r3, =__data_end__
mbed_official 525:c320967f86b9 130
mbed_official 525:c320967f86b9 131 subs r3, r2
mbed_official 525:c320967f86b9 132 ble .flash_to_ram_loop_end
mbed_official 525:c320967f86b9 133 .flash_to_ram_loop:
mbed_official 525:c320967f86b9 134 subs r3, #4
mbed_official 525:c320967f86b9 135 ldr r0, [r1, r3]
mbed_official 525:c320967f86b9 136 str r0, [r2, r3]
mbed_official 525:c320967f86b9 137 bgt .flash_to_ram_loop
mbed_official 525:c320967f86b9 138 .flash_to_ram_loop_end:
mbed_official 525:c320967f86b9 139
mbed_official 525:c320967f86b9 140 ldr r0, =_start
mbed_official 525:c320967f86b9 141 bx r0
mbed_official 525:c320967f86b9 142 .pool
mbed_official 525:c320967f86b9 143 .size Reset_Handler, . - Reset_Handler
mbed_official 525:c320967f86b9 144
mbed_official 525:c320967f86b9 145 /* Macro to define default handlers. Default handler
mbed_official 525:c320967f86b9 146 * will be weak symbol and just dead loops. They can be
mbed_official 525:c320967f86b9 147 * overwritten by other handlers */
mbed_official 525:c320967f86b9 148 .macro def_irq_handler handler_name
mbed_official 525:c320967f86b9 149 .align 1
mbed_official 525:c320967f86b9 150 .thumb_func
mbed_official 525:c320967f86b9 151 .weak \handler_name
mbed_official 525:c320967f86b9 152 .type \handler_name, %function
mbed_official 525:c320967f86b9 153 \handler_name:
mbed_official 525:c320967f86b9 154 b .
mbed_official 525:c320967f86b9 155 .size \handler_name, . - \handler_name
mbed_official 525:c320967f86b9 156 .endm
mbed_official 525:c320967f86b9 157
mbed_official 525:c320967f86b9 158 def_irq_handler Default_Handler
mbed_official 525:c320967f86b9 159
mbed_official 525:c320967f86b9 160 def_irq_handler NMI_Handler
mbed_official 525:c320967f86b9 161 def_irq_handler HardFault_Handler
mbed_official 525:c320967f86b9 162 def_irq_handler SVC_Handler
mbed_official 525:c320967f86b9 163 def_irq_handler PendSV_Handler
mbed_official 525:c320967f86b9 164 def_irq_handler SysTick_Handler
mbed_official 525:c320967f86b9 165
mbed_official 525:c320967f86b9 166 def_irq_handler DMA_IRQHandler
mbed_official 525:c320967f86b9 167 def_irq_handler GPIO_EVEN_IRQHandler
mbed_official 525:c320967f86b9 168 def_irq_handler TIMER0_IRQHandler
mbed_official 525:c320967f86b9 169 def_irq_handler ACMP0_IRQHandler
mbed_official 525:c320967f86b9 170 def_irq_handler ADC0_IRQHandler
mbed_official 525:c320967f86b9 171 def_irq_handler I2C0_IRQHandler
mbed_official 525:c320967f86b9 172 def_irq_handler GPIO_ODD_IRQHandler
mbed_official 525:c320967f86b9 173 def_irq_handler TIMER1_IRQHandler
mbed_official 525:c320967f86b9 174 def_irq_handler USART1_RX_IRQHandler
mbed_official 525:c320967f86b9 175 def_irq_handler USART1_TX_IRQHandler
mbed_official 525:c320967f86b9 176 def_irq_handler LEUART0_IRQHandler
mbed_official 525:c320967f86b9 177 def_irq_handler PCNT0_IRQHandler
mbed_official 525:c320967f86b9 178 def_irq_handler RTC_IRQHandler
mbed_official 525:c320967f86b9 179 def_irq_handler CMU_IRQHandler
mbed_official 525:c320967f86b9 180 def_irq_handler VCMP_IRQHandler
mbed_official 525:c320967f86b9 181 def_irq_handler MSC_IRQHandler
mbed_official 525:c320967f86b9 182 def_irq_handler AES_IRQHandler
mbed_official 525:c320967f86b9 183
mbed_official 525:c320967f86b9 184
mbed_official 525:c320967f86b9 185 .end