mbed official / mbed-src

mbed library sources

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Superseded

This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.

Development branch of the mbed library sources. This library is kept in synch with the latest changes from the mbed SDK and it is not guaranteed to work.

If you are looking for a stable and tested release, please import one of the official mbed library releases:

Import librarymbed

The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.

Last commit 20 Feb 2019 by mbed official

targets/cmsis/TARGET_WIZNET/TARGET_W7500x/TARGET_WIZwiki_W7500P/TOOLCHAIN_GCC_ARM/startup_W7500.S@631:ff681937ffd8, 2015-09-28 (annotated)

Committer:
mbed_official
Date:
Mon Sep 28 13:00:10 2015 +0100
Revision:
631:ff681937ffd8
Synchronized with git revision 1be56c8134a3ed6004f149a84f658de45dda6a5c



Full URL: https://github.com/mbedmicro/mbed/commit/1be56c8134a3ed6004f149a84f658de45dda6a5c/

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 631:ff681937ffd8 1 /* File: startup_W7500.s
mbed_official 631:ff681937ffd8 2 * Purpose: startup file for Cortex-M0 devices. Should use with
mbed_official 631:ff681937ffd8 3 * GCC for ARM Embedded Processors
mbed_official 631:ff681937ffd8 4 * Version: V1.4
mbed_official 631:ff681937ffd8 5 * Date: 20 Dezember 2012
mbed_official 631:ff681937ffd8 6 *
mbed_official 631:ff681937ffd8 7 */
mbed_official 631:ff681937ffd8 8 /* Copyright (c) 2011 - 2012 ARM LIMITED
mbed_official 631:ff681937ffd8 9
mbed_official 631:ff681937ffd8 10 All rights reserved.
mbed_official 631:ff681937ffd8 11 Redistribution and use in source and binary forms, with or without
mbed_official 631:ff681937ffd8 12 modification, are permitted provided that the following conditions are met:
mbed_official 631:ff681937ffd8 13 - Redistributions of source code must retain the above copyright
mbed_official 631:ff681937ffd8 14 notice, this list of conditions and the following disclaimer.
mbed_official 631:ff681937ffd8 15 - Redistributions in binary form must reproduce the above copyright
mbed_official 631:ff681937ffd8 16 notice, this list of conditions and the following disclaimer in the
mbed_official 631:ff681937ffd8 17 documentation and/or other materials provided with the distribution.
mbed_official 631:ff681937ffd8 18 - Neither the name of ARM nor the names of its contributors may be used
mbed_official 631:ff681937ffd8 19 to endorse or promote products derived from this software without
mbed_official 631:ff681937ffd8 20 specific prior written permission.
mbed_official 631:ff681937ffd8 21 *
mbed_official 631:ff681937ffd8 22 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
mbed_official 631:ff681937ffd8 23 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
mbed_official 631:ff681937ffd8 24 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
mbed_official 631:ff681937ffd8 25 ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
mbed_official 631:ff681937ffd8 26 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
mbed_official 631:ff681937ffd8 27 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
mbed_official 631:ff681937ffd8 28 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
mbed_official 631:ff681937ffd8 29 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
mbed_official 631:ff681937ffd8 30 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
mbed_official 631:ff681937ffd8 31 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
mbed_official 631:ff681937ffd8 32 POSSIBILITY OF SUCH DAMAGE.
mbed_official 631:ff681937ffd8 33 ---------------------------------------------------------------------------*/
mbed_official 631:ff681937ffd8 34
mbed_official 631:ff681937ffd8 35
mbed_official 631:ff681937ffd8 36 .syntax unified
mbed_official 631:ff681937ffd8 37 .arch armv6-m
mbed_official 631:ff681937ffd8 38
mbed_official 631:ff681937ffd8 39 .section .stack
mbed_official 631:ff681937ffd8 40 .align 3
mbed_official 631:ff681937ffd8 41
mbed_official 631:ff681937ffd8 42 /*
mbed_official 631:ff681937ffd8 43 // <h> Stack Configuration
mbed_official 631:ff681937ffd8 44 // <o> Stack Size (in Bytes) <0x0-0xFFFFFFFF:8>
mbed_official 631:ff681937ffd8 45 // </h>
mbed_official 631:ff681937ffd8 46 */
mbed_official 631:ff681937ffd8 47
mbed_official 631:ff681937ffd8 48 .section .stack
mbed_official 631:ff681937ffd8 49 .align 3
mbed_official 631:ff681937ffd8 50 #ifdef __STACK_SIZE
mbed_official 631:ff681937ffd8 51 .equ Stack_Size, __STACK_SIZE
mbed_official 631:ff681937ffd8 52 #else
mbed_official 631:ff681937ffd8 53 .equ Stack_Size, 0x200
mbed_official 631:ff681937ffd8 54 #endif
mbed_official 631:ff681937ffd8 55 .globl __StackTop
mbed_official 631:ff681937ffd8 56 .globl __StackLimit
mbed_official 631:ff681937ffd8 57 __StackLimit:
mbed_official 631:ff681937ffd8 58 .space Stack_Size
mbed_official 631:ff681937ffd8 59 .size __StackLimit, . - __StackLimit
mbed_official 631:ff681937ffd8 60 __StackTop:
mbed_official 631:ff681937ffd8 61 .size __StackTop, . - __StackTop
mbed_official 631:ff681937ffd8 62
mbed_official 631:ff681937ffd8 63
mbed_official 631:ff681937ffd8 64 /*
mbed_official 631:ff681937ffd8 65 // <h> Heap Configuration
mbed_official 631:ff681937ffd8 66 // <o> Heap Size (in Bytes) <0x0-0xFFFFFFFF:8>
mbed_official 631:ff681937ffd8 67 // </h>
mbed_official 631:ff681937ffd8 68 */
mbed_official 631:ff681937ffd8 69
mbed_official 631:ff681937ffd8 70 .section .heap
mbed_official 631:ff681937ffd8 71 .align 3
mbed_official 631:ff681937ffd8 72 #ifdef __HEAP_SIZE
mbed_official 631:ff681937ffd8 73 .equ Heap_Size, __HEAP_SIZE
mbed_official 631:ff681937ffd8 74 #else
mbed_official 631:ff681937ffd8 75 .equ Heap_Size, 0
mbed_official 631:ff681937ffd8 76 #endif
mbed_official 631:ff681937ffd8 77 .globl __HeapBase
mbed_official 631:ff681937ffd8 78 .globl __HeapLimit
mbed_official 631:ff681937ffd8 79 __HeapBase:
mbed_official 631:ff681937ffd8 80 .if Heap_Size
mbed_official 631:ff681937ffd8 81 .space Heap_Size
mbed_official 631:ff681937ffd8 82 .endif
mbed_official 631:ff681937ffd8 83 .size __HeapBase, . - __HeapBase
mbed_official 631:ff681937ffd8 84 __HeapLimit:
mbed_official 631:ff681937ffd8 85 .size __HeapLimit, . - __HeapLimit
mbed_official 631:ff681937ffd8 86
mbed_official 631:ff681937ffd8 87
mbed_official 631:ff681937ffd8 88 /* Vector Table */
mbed_official 631:ff681937ffd8 89
mbed_official 631:ff681937ffd8 90 .section .isr_vector
mbed_official 631:ff681937ffd8 91 .align 2
mbed_official 631:ff681937ffd8 92 .globl __isr_vector
mbed_official 631:ff681937ffd8 93 __isr_vector:
mbed_official 631:ff681937ffd8 94 .long __StackTop /* Top of Stack */
mbed_official 631:ff681937ffd8 95 .long Reset_Handler /* Reset Handler */
mbed_official 631:ff681937ffd8 96 .long NMI_Handler /* NMI Handler */
mbed_official 631:ff681937ffd8 97 .long HardFault_Handler /* Hard Fault Handler */
mbed_official 631:ff681937ffd8 98 .long 0 /* Reserved */
mbed_official 631:ff681937ffd8 99 .long 0 /* Reserved */
mbed_official 631:ff681937ffd8 100 .long 0 /* Reserved */
mbed_official 631:ff681937ffd8 101 .long 0 /* Reserved */
mbed_official 631:ff681937ffd8 102 .long 0 /* Reserved */
mbed_official 631:ff681937ffd8 103 .long 0 /* Reserved */
mbed_official 631:ff681937ffd8 104 .long 0 /* Reserved */
mbed_official 631:ff681937ffd8 105 .long SVC_Handler /* SVCall Handler */
mbed_official 631:ff681937ffd8 106 .long 0 /* Debug Monitor Handler */
mbed_official 631:ff681937ffd8 107 .long 0 /* Reserved */
mbed_official 631:ff681937ffd8 108 .long PendSV_Handler /* PendSV Handler */
mbed_official 631:ff681937ffd8 109 .long SysTick_Handler /* SysTick Handler */
mbed_official 631:ff681937ffd8 110
mbed_official 631:ff681937ffd8 111 /* External Interrupts */
mbed_official 631:ff681937ffd8 112 .long SSP0_Handler /* 16+ 0: SSP 0 Handler */
mbed_official 631:ff681937ffd8 113 .long SSP1_Handler /* 16+ 1: SSP 1 Handler */
mbed_official 631:ff681937ffd8 114 .long UART0_Handler /* 16+ 2: UART 0 Handler */
mbed_official 631:ff681937ffd8 115 .long UART1_Handler /* 16+ 3: UART 1 Handler */
mbed_official 631:ff681937ffd8 116 .long UART2_Handler /* 16+ 4: UART 2 Handler */
mbed_official 631:ff681937ffd8 117 .long I2C0_Handler /* 16+ 5: I2C 0 Handler */
mbed_official 631:ff681937ffd8 118 .long I2C1_Handler /* 16+ 6: I2C 1 Handler */
mbed_official 631:ff681937ffd8 119 .long PORT0_Handler /* 16+ 7: GPIO Port 0 Combined Handler */
mbed_official 631:ff681937ffd8 120 .long PORT1_Handler /* 16+ 8: GPIO Port 1 Combined Handler */
mbed_official 631:ff681937ffd8 121 .long PORT2_Handler /* 16+ 9: GPIO Port 2 Combined Handler */
mbed_official 631:ff681937ffd8 122 .long PORT3_Handler /* 16+10: GPIO Port 3 Combined Handler */
mbed_official 631:ff681937ffd8 123 .long DMA_Handler /* 16+11: DMA Combined Handler */
mbed_official 631:ff681937ffd8 124 .long DUALTIMER0_Handler /* 16+12: Dual timer 0 handler */
mbed_official 631:ff681937ffd8 125 .long DUALTIMER1_Handler /* 16+ 13: Dual timer 1 Handler */
mbed_official 631:ff681937ffd8 126 .long PWM0_Handler /* 16+ 14: PWM0 Handler */
mbed_official 631:ff681937ffd8 127 .long PWM1_Handler /* 16+ 15: PWM1 Handler */
mbed_official 631:ff681937ffd8 128 .long PWM2_Handler /* 16+ 16: PWM2 Handler */
mbed_official 631:ff681937ffd8 129 .long PWM3_Handler /* 16+ 17: PWM3 Handler */
mbed_official 631:ff681937ffd8 130 .long PWM4_Handler /* 16+ 18: PWM4 Handler */
mbed_official 631:ff681937ffd8 131 .long PWM5_Handler /* 16+ 19: PWM5 Handler */
mbed_official 631:ff681937ffd8 132 .long PWM6_Handler /* 16+ 20: PWM6 Handler */
mbed_official 631:ff681937ffd8 133 .long PWM7_Handler /* 16+ 21: PWM7 Handler */
mbed_official 631:ff681937ffd8 134 .long RTC_Handler /* 16+ 22: RTC Handler */
mbed_official 631:ff681937ffd8 135 .long ADC_Handler /* 16+ 23: ADC Handler */
mbed_official 631:ff681937ffd8 136 .long WZTOE_Handler /* 16+ 24: WZTOE Handler */
mbed_official 631:ff681937ffd8 137 .long EXTI_Handler /* 16+ 25: EXTI Handler */
mbed_official 631:ff681937ffd8 138
mbed_official 631:ff681937ffd8 139 .size __isr_vector, . - __isr_vector
mbed_official 631:ff681937ffd8 140 /* Reset Handler */
mbed_official 631:ff681937ffd8 141 .text
mbed_official 631:ff681937ffd8 142 .thumb
mbed_official 631:ff681937ffd8 143 .thumb_func
mbed_official 631:ff681937ffd8 144 .align 2
mbed_official 631:ff681937ffd8 145 .globl Reset_Handler
mbed_official 631:ff681937ffd8 146 .type Reset_Handler, %function
mbed_official 631:ff681937ffd8 147 Reset_Handler:
mbed_official 631:ff681937ffd8 148 /* Loop to copy data from read only memory to RAM. The ranges
mbed_official 631:ff681937ffd8 149 * of copy from/to are specified by following symbols evaluated in
mbed_official 631:ff681937ffd8 150 * linker script.
mbed_official 631:ff681937ffd8 151 * __etext: End of code section, i.e., begin of data sections to copy from.
mbed_official 631:ff681937ffd8 152 * __data_start__/__data_end__: RAM address range that data should be
mbed_official 631:ff681937ffd8 153 * copied to. Both must be aligned to 4 bytes boundary. */
mbed_official 631:ff681937ffd8 154
mbed_official 631:ff681937ffd8 155 ldr r1, =__etext
mbed_official 631:ff681937ffd8 156 ldr r2, =__data_start__
mbed_official 631:ff681937ffd8 157 ldr r3, =__data_end__
mbed_official 631:ff681937ffd8 158
mbed_official 631:ff681937ffd8 159 subs r3, r2
mbed_official 631:ff681937ffd8 160 ble .LC1
mbed_official 631:ff681937ffd8 161 .LC0:
mbed_official 631:ff681937ffd8 162 subs r3, #4
mbed_official 631:ff681937ffd8 163 ldr r0, [r1, r3]
mbed_official 631:ff681937ffd8 164 str r0, [r2, r3]
mbed_official 631:ff681937ffd8 165 bgt .LC0
mbed_official 631:ff681937ffd8 166 .LC1:
mbed_official 631:ff681937ffd8 167
mbed_official 631:ff681937ffd8 168 #ifdef __STARTUP_CLEAR_BSS
mbed_official 631:ff681937ffd8 169 /* This part of work usually is done in C library startup code. Otherwise,
mbed_official 631:ff681937ffd8 170 * define this macro to enable it in this startup.
mbed_official 631:ff681937ffd8 171 *
mbed_official 631:ff681937ffd8 172 * Loop to zero out BSS section, which uses following symbols
mbed_official 631:ff681937ffd8 173 * in linker script:
mbed_official 631:ff681937ffd8 174 * __bss_start__: start of BSS section. Must align to 4
mbed_official 631:ff681937ffd8 175 * __bss_end__: end of BSS section. Must align to 4
mbed_official 631:ff681937ffd8 176 */
mbed_official 631:ff681937ffd8 177 ldr r1, =__bss_start__
mbed_official 631:ff681937ffd8 178 ldr r2, =__bss_end__
mbed_official 631:ff681937ffd8 179
mbed_official 631:ff681937ffd8 180 subs r2, r1
mbed_official 631:ff681937ffd8 181 ble .LC3
mbed_official 631:ff681937ffd8 182
mbed_official 631:ff681937ffd8 183 movs r0, 0
mbed_official 631:ff681937ffd8 184 .LC2:
mbed_official 631:ff681937ffd8 185 str r0, [r1, r2]
mbed_official 631:ff681937ffd8 186 subs r2, 4
mbed_official 631:ff681937ffd8 187 bge .LC2
mbed_official 631:ff681937ffd8 188 .LC3:
mbed_official 631:ff681937ffd8 189 #endif /* __STARTUP_CLEAR_BSS */
mbed_official 631:ff681937ffd8 190
mbed_official 631:ff681937ffd8 191 /*bl _start*/
mbed_official 631:ff681937ffd8 192 bl main
mbed_official 631:ff681937ffd8 193
mbed_official 631:ff681937ffd8 194 .pool
mbed_official 631:ff681937ffd8 195 .size Reset_Handler, . - Reset_Handler
mbed_official 631:ff681937ffd8 196
mbed_official 631:ff681937ffd8 197 /* Macro to define default handlers. Default handler
mbed_official 631:ff681937ffd8 198 * will be weak symbol and just dead loops. They can be
mbed_official 631:ff681937ffd8 199 * overwritten by other handlers */
mbed_official 631:ff681937ffd8 200 .macro def_default_handler handler_name
mbed_official 631:ff681937ffd8 201 .align 1
mbed_official 631:ff681937ffd8 202 .thumb_func
mbed_official 631:ff681937ffd8 203 .weak \handler_name
mbed_official 631:ff681937ffd8 204 .type \handler_name, %function
mbed_official 631:ff681937ffd8 205 \handler_name :
mbed_official 631:ff681937ffd8 206 b .
mbed_official 631:ff681937ffd8 207 .size \handler_name, . - \handler_name
mbed_official 631:ff681937ffd8 208 .endm
mbed_official 631:ff681937ffd8 209
mbed_official 631:ff681937ffd8 210 /* System Exception Handlers */
mbed_official 631:ff681937ffd8 211
mbed_official 631:ff681937ffd8 212 def_default_handler NMI_Handler
mbed_official 631:ff681937ffd8 213 def_default_handler HardFault_Handler
mbed_official 631:ff681937ffd8 214 def_default_handler MemManage_Handler
mbed_official 631:ff681937ffd8 215 def_default_handler BusFault_Handler
mbed_official 631:ff681937ffd8 216 def_default_handler UsageFault_Handler
mbed_official 631:ff681937ffd8 217 def_default_handler SVC_Handler
mbed_official 631:ff681937ffd8 218 def_default_handler DebugMon_Handler
mbed_official 631:ff681937ffd8 219 def_default_handler PendSV_Handler
mbed_official 631:ff681937ffd8 220 def_default_handler SysTick_Handler
mbed_official 631:ff681937ffd8 221
mbed_official 631:ff681937ffd8 222 /* IRQ Handlers */
mbed_official 631:ff681937ffd8 223
mbed_official 631:ff681937ffd8 224 def_default_handler SSP0_Handler
mbed_official 631:ff681937ffd8 225 def_default_handler SSP1_Handler
mbed_official 631:ff681937ffd8 226 def_default_handler UART0_Handler
mbed_official 631:ff681937ffd8 227 def_default_handler UART1_Handler
mbed_official 631:ff681937ffd8 228 def_default_handler UART2_Handler
mbed_official 631:ff681937ffd8 229 def_default_handler I2C0_Handler
mbed_official 631:ff681937ffd8 230 def_default_handler I2C1_Handler
mbed_official 631:ff681937ffd8 231 def_default_handler PORT0_Handler
mbed_official 631:ff681937ffd8 232 def_default_handler PORT1_Handler
mbed_official 631:ff681937ffd8 233 def_default_handler PORT2_Handler
mbed_official 631:ff681937ffd8 234 def_default_handler PORT3_Handler
mbed_official 631:ff681937ffd8 235
mbed_official 631:ff681937ffd8 236 def_default_handler DMA_Handler
mbed_official 631:ff681937ffd8 237 def_default_handler DUALTIMER0_Handler
mbed_official 631:ff681937ffd8 238 def_default_handler DUALTIMER1_Handler
mbed_official 631:ff681937ffd8 239 def_default_handler PWM0_Handler
mbed_official 631:ff681937ffd8 240 def_default_handler PWM1_Handler
mbed_official 631:ff681937ffd8 241 def_default_handler PWM2_Handler
mbed_official 631:ff681937ffd8 242 def_default_handler PWM3_Handler
mbed_official 631:ff681937ffd8 243 def_default_handler PWM4_Handler
mbed_official 631:ff681937ffd8 244 def_default_handler PWM5_Handler
mbed_official 631:ff681937ffd8 245 def_default_handler PWM6_Handler
mbed_official 631:ff681937ffd8 246 def_default_handler PWM7_Handler
mbed_official 631:ff681937ffd8 247 def_default_handler RTC_Handler
mbed_official 631:ff681937ffd8 248 def_default_handler ADC_Handler
mbed_official 631:ff681937ffd8 249 def_default_handler WZTOE_Handler
mbed_official 631:ff681937ffd8 250 def_default_handler EXTI_Handler
mbed_official 631:ff681937ffd8 251
mbed_official 631:ff681937ffd8 252 /*
mbed_official 631:ff681937ffd8 253 def_default_handler Default_Handler
mbed_official 631:ff681937ffd8 254 .weak DEF_IRQHandler
mbed_official 631:ff681937ffd8 255 .set DEF_IRQHandler, Default_Handler
mbed_official 631:ff681937ffd8 256 */
mbed_official 631:ff681937ffd8 257
mbed_official 631:ff681937ffd8 258 .end
mbed_official 631:ff681937ffd8 259