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Superseded

This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.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_KL05Z/TOOLCHAIN_GCC_ARM/startup_MKL05Z4.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_KL05Z/TOOLCHAIN_GCC_ARM/startup_MKL05Z4.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 60:142c6c6f5949 1 /* KL05Z startup ARM GCC, Martin Kojtal (0xc0170)
mbed_official 60:142c6c6f5949 2 * Purpose: startup file for Cortex-M0 devices. Should use with
mbed_official 60:142c6c6f5949 3 * GCC for ARM Embedded Processors
mbed_official 60:142c6c6f5949 4 * Version: V1.2
mbed_official 60:142c6c6f5949 5 * Date: 15 Nov 2011
mbed_official 60:142c6c6f5949 6 *
mbed_official 60:142c6c6f5949 7 * Copyright (c) 2011, ARM Limited
mbed_official 60:142c6c6f5949 8 * All rights reserved.
mbed_official 60:142c6c6f5949 9 *
mbed_official 60:142c6c6f5949 10 * Redistribution and use in source and binary forms, with or without
mbed_official 60:142c6c6f5949 11 * modification, are permitted provided that the following conditions are met:
mbed_official 60:142c6c6f5949 12 * Redistributions of source code must retain the above copyright
mbed_official 60:142c6c6f5949 13 notice, this list of conditions and the following disclaimer.
mbed_official 60:142c6c6f5949 14 * Redistributions in binary form must reproduce the above copyright
mbed_official 60:142c6c6f5949 15 notice, this list of conditions and the following disclaimer in the
mbed_official 60:142c6c6f5949 16 documentation and/or other materials provided with the distribution.
mbed_official 60:142c6c6f5949 17 * Neither the name of the ARM Limited nor the
mbed_official 60:142c6c6f5949 18 names of its contributors may be used to endorse or promote products
mbed_official 60:142c6c6f5949 19 derived from this software without specific prior written permission.
mbed_official 60:142c6c6f5949 20 *
mbed_official 60:142c6c6f5949 21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
mbed_official 60:142c6c6f5949 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
mbed_official 60:142c6c6f5949 23 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
mbed_official 60:142c6c6f5949 24 * DISCLAIMED. IN NO EVENT SHALL ARM LIMITED BE LIABLE FOR ANY
mbed_official 60:142c6c6f5949 25 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
mbed_official 60:142c6c6f5949 26 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
mbed_official 60:142c6c6f5949 27 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
mbed_official 60:142c6c6f5949 28 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
mbed_official 60:142c6c6f5949 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
mbed_official 60:142c6c6f5949 30 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
mbed_official 60:142c6c6f5949 31 */
mbed_official 60:142c6c6f5949 32 .syntax unified
mbed_official 60:142c6c6f5949 33 .arch armv6-m
mbed_official 60:142c6c6f5949 34
mbed_official 60:142c6c6f5949 35 /* Memory Model
mbed_official 60:142c6c6f5949 36 The HEAP starts at the end of the DATA section and grows upward.
mbed_official 60:142c6c6f5949 37
mbed_official 60:142c6c6f5949 38 The STACK starts at the end of the RAM and grows downward.
mbed_official 60:142c6c6f5949 39
mbed_official 60:142c6c6f5949 40 The HEAP and stack STACK are only checked at compile time:
mbed_official 60:142c6c6f5949 41 (DATA_SIZE + HEAP_SIZE + STACK_SIZE) < RAM_SIZE
mbed_official 60:142c6c6f5949 42
mbed_official 60:142c6c6f5949 43 This is just a check for the bare minimum for the Heap+Stack area before
mbed_official 60:142c6c6f5949 44 aborting compilation, it is not the run time limit:
mbed_official 60:142c6c6f5949 45 Heap_Size + Stack_Size = 0x80 + 0x80 = 0x100
mbed_official 60:142c6c6f5949 46 */
mbed_official 60:142c6c6f5949 47 .section .stack
mbed_official 60:142c6c6f5949 48 .align 3
mbed_official 60:142c6c6f5949 49 #ifdef __STACK_SIZE
mbed_official 60:142c6c6f5949 50 .equ Stack_Size, __STACK_SIZE
mbed_official 60:142c6c6f5949 51 #else
mbed_official 60:142c6c6f5949 52 .equ Stack_Size, 0x80
mbed_official 60:142c6c6f5949 53 #endif
mbed_official 60:142c6c6f5949 54 .globl __StackTop
mbed_official 60:142c6c6f5949 55 .globl __StackLimit
mbed_official 60:142c6c6f5949 56 __StackLimit:
mbed_official 60:142c6c6f5949 57 .space Stack_Size
mbed_official 60:142c6c6f5949 58 .size __StackLimit, . - __StackLimit
mbed_official 60:142c6c6f5949 59 __StackTop:
mbed_official 60:142c6c6f5949 60 .size __StackTop, . - __StackTop
mbed_official 60:142c6c6f5949 61
mbed_official 60:142c6c6f5949 62 .section .heap
mbed_official 60:142c6c6f5949 63 .align 3
mbed_official 60:142c6c6f5949 64 #ifdef __HEAP_SIZE
mbed_official 60:142c6c6f5949 65 .equ Heap_Size, __HEAP_SIZE
mbed_official 60:142c6c6f5949 66 #else
mbed_official 60:142c6c6f5949 67 .equ Heap_Size, 0x80
mbed_official 60:142c6c6f5949 68 #endif
mbed_official 60:142c6c6f5949 69 .globl __HeapBase
mbed_official 60:142c6c6f5949 70 .globl __HeapLimit
mbed_official 60:142c6c6f5949 71 __HeapBase:
mbed_official 60:142c6c6f5949 72 .space Heap_Size
mbed_official 60:142c6c6f5949 73 .size __HeapBase, . - __HeapBase
mbed_official 60:142c6c6f5949 74 __HeapLimit:
mbed_official 60:142c6c6f5949 75 .size __HeapLimit, . - __HeapLimit
mbed_official 60:142c6c6f5949 76
mbed_official 60:142c6c6f5949 77 .section .vector_table,"a",%progbits
mbed_official 60:142c6c6f5949 78 .align 2
mbed_official 60:142c6c6f5949 79 .globl __isr_vector
mbed_official 60:142c6c6f5949 80 __isr_vector:
mbed_official 60:142c6c6f5949 81 .long __StackTop /* Top of Stack */
mbed_official 60:142c6c6f5949 82 .long Reset_Handler /* Reset Handler */
mbed_official 60:142c6c6f5949 83 .long NMI_Handler /* NMI Handler */
mbed_official 60:142c6c6f5949 84 .long HardFault_Handler /* Hard Fault Handler */
mbed_official 60:142c6c6f5949 85 .long 0 /* Reserved */
mbed_official 60:142c6c6f5949 86 .long 0 /* Reserved */
mbed_official 60:142c6c6f5949 87 .long 0 /* Reserved */
mbed_official 60:142c6c6f5949 88 .long 0 /* Reserved */
mbed_official 60:142c6c6f5949 89 .long 0 /* Reserved */
mbed_official 60:142c6c6f5949 90 .long 0 /* Reserved */
mbed_official 60:142c6c6f5949 91 .long 0 /* Reserved */
mbed_official 60:142c6c6f5949 92 .long SVC_Handler /* SVCall Handler */
mbed_official 60:142c6c6f5949 93 .long 0 /* Reserved */
mbed_official 60:142c6c6f5949 94 .long 0 /* Reserved */
mbed_official 60:142c6c6f5949 95 .long PendSV_Handler /* PendSV Handler */
mbed_official 60:142c6c6f5949 96 .long SysTick_Handler /* SysTick Handler */
mbed_official 60:142c6c6f5949 97
mbed_official 60:142c6c6f5949 98 /* External interrupts */
mbed_official 60:142c6c6f5949 99 .long DMA0_IRQHandler /* DMA channel 0 transfer complete interrupt */
mbed_official 60:142c6c6f5949 100 .long DMA1_IRQHandler /* DMA channel 1 transfer complete interrupt */
mbed_official 60:142c6c6f5949 101 .long DMA2_IRQHandler /* DMA channel 2 transfer complete interrupt */
mbed_official 60:142c6c6f5949 102 .long DMA3_IRQHandler /* DMA channel 3 transfer complete interrupt */
mbed_official 60:142c6c6f5949 103 .long Default_Handler /* Reserved interrupt 20 */
mbed_official 60:142c6c6f5949 104 .long FTFA_IRQHandler /* FTFA interrupt */
mbed_official 60:142c6c6f5949 105 .long LVD_LVW_IRQHandler /* Low Voltage Detect, Low Voltage Warning */
mbed_official 60:142c6c6f5949 106 .long LLW_IRQHandler /* Low Leakage Wakeup */
mbed_official 60:142c6c6f5949 107 .long I2C0_IRQHandler /* I2C0 interrupt */
mbed_official 60:142c6c6f5949 108 .long Default_Handler /* Reserved interrupt 25 */
mbed_official 60:142c6c6f5949 109 .long SPI0_IRQHandler /* SPI0 interrupt */
mbed_official 60:142c6c6f5949 110 .long Default_Handler /* Reserved interrupt 27 */
mbed_official 60:142c6c6f5949 111 .long UART0_IRQHandler /* UART0 status/error interrupt */
mbed_official 60:142c6c6f5949 112 .long Default_Handler /* Reserved interrupt 29 */
mbed_official 60:142c6c6f5949 113 .long Default_Handler /* Reserved interrupt 30 */
mbed_official 60:142c6c6f5949 114 .long ADC0_IRQHandler /* ADC0 interrupt */
mbed_official 60:142c6c6f5949 115 .long CMP0_IRQHandler /* CMP0 interrupt */
mbed_official 60:142c6c6f5949 116 .long TPM0_IRQHandler /* TPM0 fault, overflow and channels interrupt */
mbed_official 60:142c6c6f5949 117 .long TPM1_IRQHandler /* TPM1 fault, overflow and channels interrupt */
mbed_official 60:142c6c6f5949 118 .long Default_Handler /* Reserved interrupt 35 */
mbed_official 60:142c6c6f5949 119 .long RTC_IRQHandler /* RTC interrupt */
mbed_official 60:142c6c6f5949 120 .long RTC_Seconds_IRQHandler /* RTC seconds interrupt */
mbed_official 60:142c6c6f5949 121 .long PIT_IRQHandler /* PIT timer interrupt */
mbed_official 60:142c6c6f5949 122 .long Default_Handler /* Reserved interrupt 39 */
mbed_official 60:142c6c6f5949 123 .long Default_Handler /* Reserved interrupt 40 */
mbed_official 60:142c6c6f5949 124 .long DAC0_IRQHandler /* DAC interrupt */
mbed_official 60:142c6c6f5949 125 .long TSI0_IRQHandler /* TSI0 interrupt */
mbed_official 60:142c6c6f5949 126 .long MCG_IRQHandler /* MCG interrupt */
mbed_official 60:142c6c6f5949 127 .long LPTimer_IRQHandler /* LPTimer interrupt */
mbed_official 60:142c6c6f5949 128 .long Default_Handler /* Reserved interrupt 45 */
mbed_official 60:142c6c6f5949 129 .long PORTA_IRQHandler /* Port A interrupt */
mbed_official 60:142c6c6f5949 130 .long PORTB_IRQHandler /* Port B interrupt */
mbed_official 60:142c6c6f5949 131
mbed_official 60:142c6c6f5949 132 .size __isr_vector, . - __isr_vector
mbed_official 60:142c6c6f5949 133 .org 0x400, 0xff
mbed_official 60:142c6c6f5949 134
mbed_official 60:142c6c6f5949 135 .long 0xffffffff
mbed_official 60:142c6c6f5949 136 .long 0xffffffff
mbed_official 60:142c6c6f5949 137 .long 0xffffffff
mbed_official 60:142c6c6f5949 138 .long 0xfffffffe
mbed_official 60:142c6c6f5949 139
mbed_official 60:142c6c6f5949 140 .section .text.Reset_Handler
mbed_official 60:142c6c6f5949 141 .thumb
mbed_official 60:142c6c6f5949 142 .thumb_func
mbed_official 60:142c6c6f5949 143 .align 2
mbed_official 60:142c6c6f5949 144 .globl Reset_Handler
mbed_official 60:142c6c6f5949 145 .type Reset_Handler, %function
mbed_official 60:142c6c6f5949 146 Reset_Handler:
mbed_official 60:142c6c6f5949 147 /* Loop to copy data from read only memory to RAM. The ranges
mbed_official 60:142c6c6f5949 148 * of copy from/to are specified by following symbols evaluated in
mbed_official 60:142c6c6f5949 149 * linker script.
mbed_official 60:142c6c6f5949 150 * __etext: End of code section, i.e., begin of data sections to copy from.
mbed_official 60:142c6c6f5949 151 * __data_start__/__data_end__: RAM address range that data should be
mbed_official 60:142c6c6f5949 152 * copied to. Both must be aligned to 4 bytes boundary. */
mbed_official 60:142c6c6f5949 153
mbed_official 60:142c6c6f5949 154 ldr r1, =__etext
mbed_official 60:142c6c6f5949 155 ldr r2, =__data_start__
mbed_official 60:142c6c6f5949 156 ldr r3, =__data_end__
mbed_official 60:142c6c6f5949 157
mbed_official 60:142c6c6f5949 158 subs r3, r2
mbed_official 60:142c6c6f5949 159 ble .flash_to_ram_loop_end
mbed_official 60:142c6c6f5949 160
mbed_official 60:142c6c6f5949 161 movs r4, 0
mbed_official 60:142c6c6f5949 162 .flash_to_ram_loop:
mbed_official 60:142c6c6f5949 163 ldr r0, [r1,r4]
mbed_official 60:142c6c6f5949 164 str r0, [r2,r4]
mbed_official 60:142c6c6f5949 165 adds r4, 4
mbed_official 60:142c6c6f5949 166 cmp r4, r3
mbed_official 60:142c6c6f5949 167 blt .flash_to_ram_loop
mbed_official 60:142c6c6f5949 168 .flash_to_ram_loop_end:
mbed_official 60:142c6c6f5949 169
mbed_official 60:142c6c6f5949 170 ldr r0, =SystemInit
mbed_official 60:142c6c6f5949 171 blx r0
mbed_official 60:142c6c6f5949 172 ldr r0, =_start
mbed_official 60:142c6c6f5949 173 bx r0
mbed_official 60:142c6c6f5949 174 .pool
mbed_official 60:142c6c6f5949 175 .size Reset_Handler, . - Reset_Handler
mbed_official 60:142c6c6f5949 176
mbed_official 60:142c6c6f5949 177 .text
mbed_official 60:142c6c6f5949 178 /* Macro to define default handlers. Default handler
mbed_official 60:142c6c6f5949 179 * will be weak symbol and just dead loops. They can be
mbed_official 60:142c6c6f5949 180 * overwritten by other handlers */
mbed_official 60:142c6c6f5949 181 .macro def_default_handler handler_name
mbed_official 60:142c6c6f5949 182 .align 1
mbed_official 60:142c6c6f5949 183 .thumb_func
mbed_official 60:142c6c6f5949 184 .weak \handler_name
mbed_official 60:142c6c6f5949 185 .type \handler_name, %function
mbed_official 60:142c6c6f5949 186 \handler_name :
mbed_official 60:142c6c6f5949 187 b .
mbed_official 60:142c6c6f5949 188 .size \handler_name, . - \handler_name
mbed_official 60:142c6c6f5949 189 .endm
mbed_official 60:142c6c6f5949 190
mbed_official 60:142c6c6f5949 191 def_default_handler NMI_Handler
mbed_official 60:142c6c6f5949 192 def_default_handler HardFault_Handler
mbed_official 60:142c6c6f5949 193 def_default_handler SVC_Handler
mbed_official 60:142c6c6f5949 194 def_default_handler PendSV_Handler
mbed_official 60:142c6c6f5949 195 def_default_handler SysTick_Handler
mbed_official 60:142c6c6f5949 196 def_default_handler Default_Handler
mbed_official 60:142c6c6f5949 197
mbed_official 60:142c6c6f5949 198 def_default_handler DMA0_IRQHandler
mbed_official 60:142c6c6f5949 199 def_default_handler DMA1_IRQHandler
mbed_official 60:142c6c6f5949 200 def_default_handler DMA2_IRQHandler
mbed_official 60:142c6c6f5949 201 def_default_handler DMA3_IRQHandler
mbed_official 60:142c6c6f5949 202 def_default_handler FTFA_IRQHandler
mbed_official 60:142c6c6f5949 203 def_default_handler LVD_LVW_IRQHandler
mbed_official 60:142c6c6f5949 204 def_default_handler LLW_IRQHandler
mbed_official 60:142c6c6f5949 205 def_default_handler I2C0_IRQHandler
mbed_official 60:142c6c6f5949 206 def_default_handler SPI0_IRQHandler
mbed_official 60:142c6c6f5949 207 def_default_handler UART0_IRQHandler
mbed_official 60:142c6c6f5949 208 def_default_handler ADC0_IRQHandler
mbed_official 60:142c6c6f5949 209 def_default_handler CMP0_IRQHandler
mbed_official 60:142c6c6f5949 210 def_default_handler TPM0_IRQHandler
mbed_official 60:142c6c6f5949 211 def_default_handler TPM1_IRQHandler
mbed_official 60:142c6c6f5949 212 def_default_handler RTC_IRQHandler
mbed_official 60:142c6c6f5949 213 def_default_handler RTC_Seconds_IRQHandler
mbed_official 60:142c6c6f5949 214 def_default_handler PIT_IRQHandler
mbed_official 60:142c6c6f5949 215 def_default_handler DAC0_IRQHandler
mbed_official 60:142c6c6f5949 216 def_default_handler TSI0_IRQHandler
mbed_official 60:142c6c6f5949 217 def_default_handler MCG_IRQHandler
mbed_official 60:142c6c6f5949 218 def_default_handler LPTimer_IRQHandler
mbed_official 60:142c6c6f5949 219 def_default_handler PORTA_IRQHandler
mbed_official 60:142c6c6f5949 220 def_default_handler PORTB_IRQHandler
mbed_official 60:142c6c6f5949 221
mbed_official 60:142c6c6f5949 222 .weak DEF_IRQHandler
mbed_official 60:142c6c6f5949 223 .set DEF_IRQHandler, Default_Handler
mbed_official 60:142c6c6f5949 224
mbed_official 60:142c6c6f5949 225 .end