mbed official / mbed-src

mbed library sources

Dependents:   Encrypted my_mbed lklk CyaSSL_DTLS_Cellular ... more

Superseded

This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.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_Freescale/TARGET_KLXX/TARGET_KL25Z/TOOLCHAIN_GCC_CW_NEWLIB/startup_MKL25Z4.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_Freescale/TARGET_KLXX/TARGET_KL25Z/TOOLCHAIN_GCC_CW_NEWLIB/startup_MKL25Z4.s@82:0b31dbcd4769 
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 82:0b31dbcd4769 1 /* File: startup_ARMCM0.S
mbed_official 82:0b31dbcd4769 2 * Purpose: startup file for Cortex-M0 devices. Should use with
mbed_official 82:0b31dbcd4769 3 * GCC for ARM Embedded Processors
mbed_official 82:0b31dbcd4769 4 * Version: V1.2
mbed_official 82:0b31dbcd4769 5 * Date: 15 Nov 2011
mbed_official 82:0b31dbcd4769 6 *
mbed_official 82:0b31dbcd4769 7 * Copyright (c) 2011, ARM Limited
mbed_official 82:0b31dbcd4769 8 * All rights reserved.
mbed_official 82:0b31dbcd4769 9 *
mbed_official 82:0b31dbcd4769 10 * Redistribution and use in source and binary forms, with or without
mbed_official 82:0b31dbcd4769 11 * modification, are permitted provided that the following conditions are met:
mbed_official 82:0b31dbcd4769 12 * Redistributions of source code must retain the above copyright
mbed_official 82:0b31dbcd4769 13 notice, this list of conditions and the following disclaimer.
mbed_official 82:0b31dbcd4769 14 * Redistributions in binary form must reproduce the above copyright
mbed_official 82:0b31dbcd4769 15 notice, this list of conditions and the following disclaimer in the
mbed_official 82:0b31dbcd4769 16 documentation and/or other materials provided with the distribution.
mbed_official 82:0b31dbcd4769 17 * Neither the name of the ARM Limited nor the
mbed_official 82:0b31dbcd4769 18 names of its contributors may be used to endorse or promote products
mbed_official 82:0b31dbcd4769 19 derived from this software without specific prior written permission.
mbed_official 82:0b31dbcd4769 20 *
mbed_official 82:0b31dbcd4769 21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
mbed_official 82:0b31dbcd4769 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
mbed_official 82:0b31dbcd4769 23 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
mbed_official 82:0b31dbcd4769 24 * DISCLAIMED. IN NO EVENT SHALL ARM LIMITED BE LIABLE FOR ANY
mbed_official 82:0b31dbcd4769 25 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
mbed_official 82:0b31dbcd4769 26 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
mbed_official 82:0b31dbcd4769 27 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
mbed_official 82:0b31dbcd4769 28 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
mbed_official 82:0b31dbcd4769 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
mbed_official 82:0b31dbcd4769 30 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
mbed_official 82:0b31dbcd4769 31 */
mbed_official 82:0b31dbcd4769 32 .syntax unified
mbed_official 82:0b31dbcd4769 33 .arch armv6-m
mbed_official 82:0b31dbcd4769 34
mbed_official 82:0b31dbcd4769 35 /* Memory Model
mbed_official 82:0b31dbcd4769 36 The HEAP starts at the end of the DATA section and grows upward.
mbed_official 82:0b31dbcd4769 37
mbed_official 82:0b31dbcd4769 38 The STACK starts at the end of the RAM and grows downward.
mbed_official 82:0b31dbcd4769 39
mbed_official 82:0b31dbcd4769 40 The HEAP and stack STACK are only checked at compile time:
mbed_official 82:0b31dbcd4769 41 (DATA_SIZE + HEAP_SIZE + STACK_SIZE) < RAM_SIZE
mbed_official 82:0b31dbcd4769 42
mbed_official 82:0b31dbcd4769 43 This is just a check for the bare minimum for the Heap+Stack area before
mbed_official 82:0b31dbcd4769 44 aborting compilation, it is not the run time limit:
mbed_official 82:0b31dbcd4769 45 Heap_Size + Stack_Size = 0x80 + 0x80 = 0x100
mbed_official 82:0b31dbcd4769 46 */
mbed_official 82:0b31dbcd4769 47 .section .stack
mbed_official 82:0b31dbcd4769 48 .align 3
mbed_official 82:0b31dbcd4769 49 #ifdef __STACK_SIZE
mbed_official 82:0b31dbcd4769 50 .equ Stack_Size, __STACK_SIZE
mbed_official 82:0b31dbcd4769 51 #else
mbed_official 82:0b31dbcd4769 52 .equ Stack_Size, 0x80
mbed_official 82:0b31dbcd4769 53 #endif
mbed_official 82:0b31dbcd4769 54 .globl __StackTop
mbed_official 82:0b31dbcd4769 55 .globl __StackLimit
mbed_official 82:0b31dbcd4769 56 __StackLimit:
mbed_official 82:0b31dbcd4769 57 .space Stack_Size
mbed_official 82:0b31dbcd4769 58 .size __StackLimit, . - __StackLimit
mbed_official 82:0b31dbcd4769 59 __StackTop:
mbed_official 82:0b31dbcd4769 60 .size __StackTop, . - __StackTop
mbed_official 82:0b31dbcd4769 61
mbed_official 82:0b31dbcd4769 62 .section .heap
mbed_official 82:0b31dbcd4769 63 .align 3
mbed_official 82:0b31dbcd4769 64 #ifdef __HEAP_SIZE
mbed_official 82:0b31dbcd4769 65 .equ Heap_Size, __HEAP_SIZE
mbed_official 82:0b31dbcd4769 66 #else
mbed_official 82:0b31dbcd4769 67 .equ Heap_Size, 0x80
mbed_official 82:0b31dbcd4769 68 #endif
mbed_official 82:0b31dbcd4769 69 .globl __HeapBase
mbed_official 82:0b31dbcd4769 70 .globl __HeapLimit
mbed_official 82:0b31dbcd4769 71 __HeapBase:
mbed_official 82:0b31dbcd4769 72 .space Heap_Size
mbed_official 82:0b31dbcd4769 73 .size __HeapBase, . - __HeapBase
mbed_official 82:0b31dbcd4769 74 __HeapLimit:
mbed_official 82:0b31dbcd4769 75 .size __HeapLimit, . - __HeapLimit
mbed_official 82:0b31dbcd4769 76
mbed_official 82:0b31dbcd4769 77 .section .isr_vector
mbed_official 82:0b31dbcd4769 78 .align 2
mbed_official 82:0b31dbcd4769 79 .globl __isr_vector
mbed_official 82:0b31dbcd4769 80 __isr_vector:
mbed_official 82:0b31dbcd4769 81 .long __StackTop /* Top of Stack */
mbed_official 82:0b31dbcd4769 82 .long Reset_Handler /* Reset Handler */
mbed_official 82:0b31dbcd4769 83 .long NMI_Handler /* NMI Handler */
mbed_official 82:0b31dbcd4769 84 .long HardFault_Handler /* Hard Fault Handler */
mbed_official 82:0b31dbcd4769 85 .long 0 /* Reserved */
mbed_official 82:0b31dbcd4769 86 .long 0 /* Reserved */
mbed_official 82:0b31dbcd4769 87 .long 0 /* Reserved */
mbed_official 82:0b31dbcd4769 88 .long 0 /* Reserved */
mbed_official 82:0b31dbcd4769 89 .long 0 /* Reserved */
mbed_official 82:0b31dbcd4769 90 .long 0 /* Reserved */
mbed_official 82:0b31dbcd4769 91 .long 0 /* Reserved */
mbed_official 82:0b31dbcd4769 92 .long SVC_Handler /* SVCall Handler */
mbed_official 82:0b31dbcd4769 93 .long 0 /* Reserved */
mbed_official 82:0b31dbcd4769 94 .long 0 /* Reserved */
mbed_official 82:0b31dbcd4769 95 .long PendSV_Handler /* PendSV Handler */
mbed_official 82:0b31dbcd4769 96 .long SysTick_Handler /* SysTick Handler */
mbed_official 82:0b31dbcd4769 97
mbed_official 82:0b31dbcd4769 98 /* External interrupts */
mbed_official 82:0b31dbcd4769 99 .long DMA0_IRQHandler /* DMA channel 0 transfer complete interrupt */
mbed_official 82:0b31dbcd4769 100 .long DMA1_IRQHandler /* DMA channel 1 transfer complete interrupt */
mbed_official 82:0b31dbcd4769 101 .long DMA2_IRQHandler /* DMA channel 2 transfer complete interrupt */
mbed_official 82:0b31dbcd4769 102 .long DMA3_IRQHandler /* DMA channel 3 transfer complete interrupt */
mbed_official 82:0b31dbcd4769 103 .long Reserved20_IRQHandler /* Reserved interrupt 20 */
mbed_official 82:0b31dbcd4769 104 .long FTFA_IRQHandler /* FTFA interrupt */
mbed_official 82:0b31dbcd4769 105 .long LVD_LVW_IRQHandler /* Low Voltage Detect, Low Voltage Warning */
mbed_official 82:0b31dbcd4769 106 .long LLW_IRQHandler /* Low Leakage Wakeup */
mbed_official 82:0b31dbcd4769 107 .long I2C0_IRQHandler /* I2C0 interrupt */
mbed_official 82:0b31dbcd4769 108 .long I2C1_IRQHandler /* I2C0 interrupt 25 */
mbed_official 82:0b31dbcd4769 109 .long SPI0_IRQHandler /* SPI0 interrupt */
mbed_official 82:0b31dbcd4769 110 .long SPI1_IRQHandler /* SPI1 interrupt */
mbed_official 82:0b31dbcd4769 111 .long UART0_IRQHandler /* UART0 status/error interrupt */
mbed_official 82:0b31dbcd4769 112 .long UART1_IRQHandler /* UART1 status/error interrupt */
mbed_official 82:0b31dbcd4769 113 .long UART2_IRQHandler /* UART2 status/error interrupt */
mbed_official 82:0b31dbcd4769 114 .long ADC0_IRQHandler /* ADC0 interrupt */
mbed_official 82:0b31dbcd4769 115 .long CMP0_IRQHandler /* CMP0 interrupt */
mbed_official 82:0b31dbcd4769 116 .long TPM0_IRQHandler /* TPM0 fault, overflow and channels interrupt */
mbed_official 82:0b31dbcd4769 117 .long TPM1_IRQHandler /* TPM1 fault, overflow and channels interrupt */
mbed_official 82:0b31dbcd4769 118 .long TPM2_IRQHandler /* TPM2 fault, overflow and channels interrupt */
mbed_official 82:0b31dbcd4769 119 .long RTC_IRQHandler /* RTC interrupt */
mbed_official 82:0b31dbcd4769 120 .long RTC_Seconds_IRQHandler /* RTC seconds interrupt */
mbed_official 82:0b31dbcd4769 121 .long PIT_IRQHandler /* PIT timer interrupt */
mbed_official 82:0b31dbcd4769 122 .long Reserved39_IRQHandler /* Reserved interrupt 39 */
mbed_official 82:0b31dbcd4769 123 .long USB0_IRQHandler /* USB0 interrupt */
mbed_official 82:0b31dbcd4769 124 .long DAC0_IRQHandler /* DAC interrupt */
mbed_official 82:0b31dbcd4769 125 .long TSI0_IRQHandler /* TSI0 interrupt */
mbed_official 82:0b31dbcd4769 126 .long MCG_IRQHandler /* MCG interrupt */
mbed_official 82:0b31dbcd4769 127 .long LPTimer_IRQHandler /* LPTimer interrupt */
mbed_official 82:0b31dbcd4769 128 .long Reserved45_IRQHandler /* Reserved interrupt 45 */
mbed_official 82:0b31dbcd4769 129 .long PORTA_IRQHandler /* Port A interrupt */
mbed_official 82:0b31dbcd4769 130 .long PORTD_IRQHandler /* Port D interrupt */
mbed_official 82:0b31dbcd4769 131
mbed_official 82:0b31dbcd4769 132 .size __isr_vector, . - __isr_vector
mbed_official 82:0b31dbcd4769 133
mbed_official 82:0b31dbcd4769 134 .section .text.Reset_Handler
mbed_official 82:0b31dbcd4769 135 .thumb
mbed_official 82:0b31dbcd4769 136 .thumb_func
mbed_official 82:0b31dbcd4769 137 .align 2
mbed_official 82:0b31dbcd4769 138 .globl Reset_Handler
mbed_official 82:0b31dbcd4769 139 .type Reset_Handler, %function
mbed_official 82:0b31dbcd4769 140 Reset_Handler:
mbed_official 82:0b31dbcd4769 141 /* Loop to copy data from read only memory to RAM. The ranges
mbed_official 82:0b31dbcd4769 142 * of copy from/to are specified by following symbols evaluated in
mbed_official 82:0b31dbcd4769 143 * linker script.
mbed_official 82:0b31dbcd4769 144 * __etext: End of code section, i.e., begin of data sections to copy from.
mbed_official 82:0b31dbcd4769 145 * __data_start__/__data_end__: RAM address range that data should be
mbed_official 82:0b31dbcd4769 146 * copied to. Both must be aligned to 4 bytes boundary. */
mbed_official 82:0b31dbcd4769 147
mbed_official 82:0b31dbcd4769 148 ldr r1, =__etext
mbed_official 82:0b31dbcd4769 149 ldr r2, =__data_start__
mbed_official 82:0b31dbcd4769 150 ldr r3, =__data_end__
mbed_official 82:0b31dbcd4769 151
mbed_official 82:0b31dbcd4769 152 subs r3, r2
mbed_official 82:0b31dbcd4769 153 ble .flash_to_ram_loop_end
mbed_official 82:0b31dbcd4769 154
mbed_official 82:0b31dbcd4769 155 movs r4, 0
mbed_official 82:0b31dbcd4769 156 .flash_to_ram_loop:
mbed_official 82:0b31dbcd4769 157 ldr r0, [r1,r4]
mbed_official 82:0b31dbcd4769 158 str r0, [r2,r4]
mbed_official 82:0b31dbcd4769 159 adds r4, 4
mbed_official 82:0b31dbcd4769 160 cmp r4, r3
mbed_official 82:0b31dbcd4769 161 blt .flash_to_ram_loop
mbed_official 82:0b31dbcd4769 162 .flash_to_ram_loop_end:
mbed_official 82:0b31dbcd4769 163
mbed_official 82:0b31dbcd4769 164 ldr r0, =SystemInit
mbed_official 82:0b31dbcd4769 165 blx r0
mbed_official 82:0b31dbcd4769 166 ldr r0, =_start
mbed_official 82:0b31dbcd4769 167 bx r0
mbed_official 82:0b31dbcd4769 168 .pool
mbed_official 82:0b31dbcd4769 169 .size Reset_Handler, . - Reset_Handler
mbed_official 82:0b31dbcd4769 170
mbed_official 82:0b31dbcd4769 171 .text
mbed_official 82:0b31dbcd4769 172 /* Macro to define default handlers. Default handler
mbed_official 82:0b31dbcd4769 173 * will be weak symbol and just dead loops. They can be
mbed_official 82:0b31dbcd4769 174 * overwritten by other handlers */
mbed_official 82:0b31dbcd4769 175 .macro def_default_handler handler_name
mbed_official 82:0b31dbcd4769 176 .align 1
mbed_official 82:0b31dbcd4769 177 .thumb_func
mbed_official 82:0b31dbcd4769 178 .weak \handler_name
mbed_official 82:0b31dbcd4769 179 .type \handler_name, %function
mbed_official 82:0b31dbcd4769 180 \handler_name :
mbed_official 82:0b31dbcd4769 181 b .
mbed_official 82:0b31dbcd4769 182 .size \handler_name, . - \handler_name
mbed_official 82:0b31dbcd4769 183 .endm
mbed_official 82:0b31dbcd4769 184
mbed_official 82:0b31dbcd4769 185 def_default_handler NMI_Handler
mbed_official 82:0b31dbcd4769 186 def_default_handler HardFault_Handler
mbed_official 82:0b31dbcd4769 187 def_default_handler SVC_Handler
mbed_official 82:0b31dbcd4769 188 def_default_handler PendSV_Handler
mbed_official 82:0b31dbcd4769 189 def_default_handler SysTick_Handler
mbed_official 82:0b31dbcd4769 190 def_default_handler DMA0_IRQHandler
mbed_official 82:0b31dbcd4769 191 def_default_handler DMA1_IRQHandler
mbed_official 82:0b31dbcd4769 192 def_default_handler DMA2_IRQHandler
mbed_official 82:0b31dbcd4769 193 def_default_handler DMA3_IRQHandler
mbed_official 82:0b31dbcd4769 194 def_default_handler Reserved20_IRQHandler
mbed_official 82:0b31dbcd4769 195 def_default_handler FTFA_IRQHandler
mbed_official 82:0b31dbcd4769 196 def_default_handler LVD_LVW_IRQHandler
mbed_official 82:0b31dbcd4769 197 def_default_handler LLW_IRQHandler
mbed_official 82:0b31dbcd4769 198 def_default_handler I2C0_IRQHandler
mbed_official 82:0b31dbcd4769 199 def_default_handler I2C1_IRQHandler
mbed_official 82:0b31dbcd4769 200 def_default_handler SPI0_IRQHandler
mbed_official 82:0b31dbcd4769 201 def_default_handler SPI1_IRQHandler
mbed_official 82:0b31dbcd4769 202 def_default_handler UART0_IRQHandler
mbed_official 82:0b31dbcd4769 203 def_default_handler UART1_IRQHandler
mbed_official 82:0b31dbcd4769 204 def_default_handler UART2_IRQHandler
mbed_official 82:0b31dbcd4769 205 def_default_handler ADC0_IRQHandler
mbed_official 82:0b31dbcd4769 206 def_default_handler CMP0_IRQHandler
mbed_official 82:0b31dbcd4769 207 def_default_handler TPM0_IRQHandler
mbed_official 82:0b31dbcd4769 208 def_default_handler TPM1_IRQHandler
mbed_official 82:0b31dbcd4769 209 def_default_handler TPM2_IRQHandler
mbed_official 82:0b31dbcd4769 210 def_default_handler RTC_IRQHandler
mbed_official 82:0b31dbcd4769 211 def_default_handler RTC_Seconds_IRQHandler
mbed_official 82:0b31dbcd4769 212 def_default_handler PIT_IRQHandler
mbed_official 82:0b31dbcd4769 213 def_default_handler Reserved39_IRQHandler
mbed_official 82:0b31dbcd4769 214 def_default_handler USB0_IRQHandler
mbed_official 82:0b31dbcd4769 215 def_default_handler DAC0_IRQHandler
mbed_official 82:0b31dbcd4769 216 def_default_handler TSI0_IRQHandler
mbed_official 82:0b31dbcd4769 217 def_default_handler MCG_IRQHandler
mbed_official 82:0b31dbcd4769 218 def_default_handler LPTimer_IRQHandler
mbed_official 82:0b31dbcd4769 219 def_default_handler Reserved45_IRQHandler
mbed_official 82:0b31dbcd4769 220 def_default_handler PORTA_IRQHandler
mbed_official 82:0b31dbcd4769 221 def_default_handler PORTD_IRQHandler
mbed_official 82:0b31dbcd4769 222
mbed_official 82:0b31dbcd4769 223 .weak DEF_IRQHandler
mbed_official 82:0b31dbcd4769 224 .set DEF_IRQHandler, Default_Handler
mbed_official 82:0b31dbcd4769 225
mbed_official 82:0b31dbcd4769 226 .end