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Superseded

This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.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_KL25Z/TOOLCHAIN_GCC_ARM/startup_MKL25Z4.s@15:4892fe388435, 2013-08-07 (annotated)

Committer:
bogdanm
Date:
Wed Aug 07 16:43:59 2013 +0300
Revision:
15:4892fe388435
Child:
66:64ad953ee6c3
Added LPC4088 target and interrupt chaining code

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bogdanm 15:4892fe388435 1 /* KL25Z startup ARM GCC
bogdanm 15:4892fe388435 2 * Purpose: startup file for Cortex-M0 devices. Should use with
bogdanm 15:4892fe388435 3 * GCC for ARM Embedded Processors
bogdanm 15:4892fe388435 4 * Version: V1.2
bogdanm 15:4892fe388435 5 * Date: 15 Nov 2011
bogdanm 15:4892fe388435 6 *
bogdanm 15:4892fe388435 7 * Copyright (c) 2011, ARM Limited
bogdanm 15:4892fe388435 8 * All rights reserved.
bogdanm 15:4892fe388435 9 *
bogdanm 15:4892fe388435 10 * Redistribution and use in source and binary forms, with or without
bogdanm 15:4892fe388435 11 * modification, are permitted provided that the following conditions are met:
bogdanm 15:4892fe388435 12 * Redistributions of source code must retain the above copyright
bogdanm 15:4892fe388435 13 notice, this list of conditions and the following disclaimer.
bogdanm 15:4892fe388435 14 * Redistributions in binary form must reproduce the above copyright
bogdanm 15:4892fe388435 15 notice, this list of conditions and the following disclaimer in the
bogdanm 15:4892fe388435 16 documentation and/or other materials provided with the distribution.
bogdanm 15:4892fe388435 17 * Neither the name of the ARM Limited nor the
bogdanm 15:4892fe388435 18 names of its contributors may be used to endorse or promote products
bogdanm 15:4892fe388435 19 derived from this software without specific prior written permission.
bogdanm 15:4892fe388435 20 *
bogdanm 15:4892fe388435 21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
bogdanm 15:4892fe388435 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
bogdanm 15:4892fe388435 23 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
bogdanm 15:4892fe388435 24 * DISCLAIMED. IN NO EVENT SHALL ARM LIMITED BE LIABLE FOR ANY
bogdanm 15:4892fe388435 25 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
bogdanm 15:4892fe388435 26 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
bogdanm 15:4892fe388435 27 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
bogdanm 15:4892fe388435 28 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
bogdanm 15:4892fe388435 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
bogdanm 15:4892fe388435 30 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
bogdanm 15:4892fe388435 31 */
bogdanm 15:4892fe388435 32 .syntax unified
bogdanm 15:4892fe388435 33 .arch armv6-m
bogdanm 15:4892fe388435 34
bogdanm 15:4892fe388435 35 /* Memory Model
bogdanm 15:4892fe388435 36 The HEAP starts at the end of the DATA section and grows upward.
bogdanm 15:4892fe388435 37
bogdanm 15:4892fe388435 38 The STACK starts at the end of the RAM and grows downward.
bogdanm 15:4892fe388435 39
bogdanm 15:4892fe388435 40 The HEAP and stack STACK are only checked at compile time:
bogdanm 15:4892fe388435 41 (DATA_SIZE + HEAP_SIZE + STACK_SIZE) < RAM_SIZE
bogdanm 15:4892fe388435 42
bogdanm 15:4892fe388435 43 This is just a check for the bare minimum for the Heap+Stack area before
bogdanm 15:4892fe388435 44 aborting compilation, it is not the run time limit:
bogdanm 15:4892fe388435 45 Heap_Size + Stack_Size = 0x80 + 0x80 = 0x100
bogdanm 15:4892fe388435 46 */
bogdanm 15:4892fe388435 47 .section .stack
bogdanm 15:4892fe388435 48 .align 3
bogdanm 15:4892fe388435 49 #ifdef __STACK_SIZE
bogdanm 15:4892fe388435 50 .equ Stack_Size, __STACK_SIZE
bogdanm 15:4892fe388435 51 #else
bogdanm 15:4892fe388435 52 .equ Stack_Size, 0x80
bogdanm 15:4892fe388435 53 #endif
bogdanm 15:4892fe388435 54 .globl __StackTop
bogdanm 15:4892fe388435 55 .globl __StackLimit
bogdanm 15:4892fe388435 56 __StackLimit:
bogdanm 15:4892fe388435 57 .space Stack_Size
bogdanm 15:4892fe388435 58 .size __StackLimit, . - __StackLimit
bogdanm 15:4892fe388435 59 __StackTop:
bogdanm 15:4892fe388435 60 .size __StackTop, . - __StackTop
bogdanm 15:4892fe388435 61
bogdanm 15:4892fe388435 62 .section .heap
bogdanm 15:4892fe388435 63 .align 3
bogdanm 15:4892fe388435 64 #ifdef __HEAP_SIZE
bogdanm 15:4892fe388435 65 .equ Heap_Size, __HEAP_SIZE
bogdanm 15:4892fe388435 66 #else
bogdanm 15:4892fe388435 67 .equ Heap_Size, 0x80
bogdanm 15:4892fe388435 68 #endif
bogdanm 15:4892fe388435 69 .globl __HeapBase
bogdanm 15:4892fe388435 70 .globl __HeapLimit
bogdanm 15:4892fe388435 71 __HeapBase:
bogdanm 15:4892fe388435 72 .space Heap_Size
bogdanm 15:4892fe388435 73 .size __HeapBase, . - __HeapBase
bogdanm 15:4892fe388435 74 __HeapLimit:
bogdanm 15:4892fe388435 75 .size __HeapLimit, . - __HeapLimit
bogdanm 15:4892fe388435 76
bogdanm 15:4892fe388435 77 .section .vector_table,"a",%progbits
bogdanm 15:4892fe388435 78 .align 2
bogdanm 15:4892fe388435 79 .globl __isr_vector
bogdanm 15:4892fe388435 80 __isr_vector:
bogdanm 15:4892fe388435 81 .long __StackTop /* Top of Stack */
bogdanm 15:4892fe388435 82 .long Reset_Handler /* Reset Handler */
bogdanm 15:4892fe388435 83 .long NMI_Handler /* NMI Handler */
bogdanm 15:4892fe388435 84 .long HardFault_Handler /* Hard Fault Handler */
bogdanm 15:4892fe388435 85 .long 0 /* Reserved */
bogdanm 15:4892fe388435 86 .long 0 /* Reserved */
bogdanm 15:4892fe388435 87 .long 0 /* Reserved */
bogdanm 15:4892fe388435 88 .long 0 /* Reserved */
bogdanm 15:4892fe388435 89 .long 0 /* Reserved */
bogdanm 15:4892fe388435 90 .long 0 /* Reserved */
bogdanm 15:4892fe388435 91 .long 0 /* Reserved */
bogdanm 15:4892fe388435 92 .long SVC_Handler /* SVCall Handler */
bogdanm 15:4892fe388435 93 .long 0 /* Reserved */
bogdanm 15:4892fe388435 94 .long 0 /* Reserved */
bogdanm 15:4892fe388435 95 .long PendSV_Handler /* PendSV Handler */
bogdanm 15:4892fe388435 96 .long SysTick_Handler /* SysTick Handler */
bogdanm 15:4892fe388435 97
bogdanm 15:4892fe388435 98 /* External interrupts */
bogdanm 15:4892fe388435 99 .long DMA0_IRQHandler /* DMA channel 0 transfer complete interrupt */
bogdanm 15:4892fe388435 100 .long DMA1_IRQHandler /* DMA channel 1 transfer complete interrupt */
bogdanm 15:4892fe388435 101 .long DMA2_IRQHandler /* DMA channel 2 transfer complete interrupt */
bogdanm 15:4892fe388435 102 .long DMA3_IRQHandler /* DMA channel 3 transfer complete interrupt */
bogdanm 15:4892fe388435 103 .long Default_Handler /* Reserved interrupt 20 */
bogdanm 15:4892fe388435 104 .long FTFA_IRQHandler /* FTFA interrupt */
bogdanm 15:4892fe388435 105 .long LVD_LVW_IRQHandler /* Low Voltage Detect, Low Voltage Warning */
bogdanm 15:4892fe388435 106 .long LLW_IRQHandler /* Low Leakage Wakeup */
bogdanm 15:4892fe388435 107 .long I2C0_IRQHandler /* I2C0 interrupt */
bogdanm 15:4892fe388435 108 .long I2C1_IRQHandler /* I2C0 interrupt 25 */
bogdanm 15:4892fe388435 109 .long SPI0_IRQHandler /* SPI0 interrupt */
bogdanm 15:4892fe388435 110 .long SPI1_IRQHandler /* SPI1 interrupt */
bogdanm 15:4892fe388435 111 .long UART0_IRQHandler /* UART0 status/error interrupt */
bogdanm 15:4892fe388435 112 .long UART1_IRQHandler /* UART1 status/error interrupt */
bogdanm 15:4892fe388435 113 .long UART2_IRQHandler /* UART2 status/error interrupt */
bogdanm 15:4892fe388435 114 .long ADC0_IRQHandler /* ADC0 interrupt */
bogdanm 15:4892fe388435 115 .long CMP0_IRQHandler /* CMP0 interrupt */
bogdanm 15:4892fe388435 116 .long TPM0_IRQHandler /* TPM0 fault, overflow and channels interrupt */
bogdanm 15:4892fe388435 117 .long TPM1_IRQHandler /* TPM1 fault, overflow and channels interrupt */
bogdanm 15:4892fe388435 118 .long TPM2_IRQHandler /* TPM2 fault, overflow and channels interrupt */
bogdanm 15:4892fe388435 119 .long RTC_IRQHandler /* RTC interrupt */
bogdanm 15:4892fe388435 120 .long RTC_Seconds_IRQHandler /* RTC seconds interrupt */
bogdanm 15:4892fe388435 121 .long PIT_IRQHandler /* PIT timer interrupt */
bogdanm 15:4892fe388435 122 .long Default_Handler /* Reserved interrupt 39 */
bogdanm 15:4892fe388435 123 .long USB0_IRQHandler /* USB0 interrupt */
bogdanm 15:4892fe388435 124 .long DAC0_IRQHandler /* DAC interrupt */
bogdanm 15:4892fe388435 125 .long TSI0_IRQHandler /* TSI0 interrupt */
bogdanm 15:4892fe388435 126 .long MCG_IRQHandler /* MCG interrupt */
bogdanm 15:4892fe388435 127 .long LPTimer_IRQHandler /* LPTimer interrupt */
bogdanm 15:4892fe388435 128 .long Default_Handler /* Reserved interrupt 45 */
bogdanm 15:4892fe388435 129 .long PORTA_IRQHandler /* Port A interrupt */
bogdanm 15:4892fe388435 130 .long PORTD_IRQHandler /* Port D interrupt */
bogdanm 15:4892fe388435 131
bogdanm 15:4892fe388435 132 .size __isr_vector, . - __isr_vector
bogdanm 15:4892fe388435 133
bogdanm 15:4892fe388435 134 .section .text.Reset_Handler
bogdanm 15:4892fe388435 135 .thumb
bogdanm 15:4892fe388435 136 .thumb_func
bogdanm 15:4892fe388435 137 .align 2
bogdanm 15:4892fe388435 138 .globl Reset_Handler
bogdanm 15:4892fe388435 139 .type Reset_Handler, %function
bogdanm 15:4892fe388435 140 Reset_Handler:
bogdanm 15:4892fe388435 141 /* Loop to copy data from read only memory to RAM. The ranges
bogdanm 15:4892fe388435 142 * of copy from/to are specified by following symbols evaluated in
bogdanm 15:4892fe388435 143 * linker script.
bogdanm 15:4892fe388435 144 * __etext: End of code section, i.e., begin of data sections to copy from.
bogdanm 15:4892fe388435 145 * __data_start__/__data_end__: RAM address range that data should be
bogdanm 15:4892fe388435 146 * copied to. Both must be aligned to 4 bytes boundary. */
bogdanm 15:4892fe388435 147
bogdanm 15:4892fe388435 148 ldr r1, =__etext
bogdanm 15:4892fe388435 149 ldr r2, =__data_start__
bogdanm 15:4892fe388435 150 ldr r3, =__data_end__
bogdanm 15:4892fe388435 151
bogdanm 15:4892fe388435 152 subs r3, r2
bogdanm 15:4892fe388435 153 ble .flash_to_ram_loop_end
bogdanm 15:4892fe388435 154
bogdanm 15:4892fe388435 155 movs r4, 0
bogdanm 15:4892fe388435 156 .flash_to_ram_loop:
bogdanm 15:4892fe388435 157 ldr r0, [r1,r4]
bogdanm 15:4892fe388435 158 str r0, [r2,r4]
bogdanm 15:4892fe388435 159 adds r4, 4
bogdanm 15:4892fe388435 160 cmp r4, r3
bogdanm 15:4892fe388435 161 blt .flash_to_ram_loop
bogdanm 15:4892fe388435 162 .flash_to_ram_loop_end:
bogdanm 15:4892fe388435 163
bogdanm 15:4892fe388435 164 ldr r0, =SystemInit
bogdanm 15:4892fe388435 165 blx r0
bogdanm 15:4892fe388435 166 ldr r0, =_start
bogdanm 15:4892fe388435 167 bx r0
bogdanm 15:4892fe388435 168 .pool
bogdanm 15:4892fe388435 169 .size Reset_Handler, . - Reset_Handler
bogdanm 15:4892fe388435 170
bogdanm 15:4892fe388435 171 .text
bogdanm 15:4892fe388435 172 /* Macro to define default handlers. Default handler
bogdanm 15:4892fe388435 173 * will be weak symbol and just dead loops. They can be
bogdanm 15:4892fe388435 174 * overwritten by other handlers */
bogdanm 15:4892fe388435 175 .macro def_default_handler handler_name
bogdanm 15:4892fe388435 176 .align 1
bogdanm 15:4892fe388435 177 .thumb_func
bogdanm 15:4892fe388435 178 .weak \handler_name
bogdanm 15:4892fe388435 179 .type \handler_name, %function
bogdanm 15:4892fe388435 180 \handler_name :
bogdanm 15:4892fe388435 181 b .
bogdanm 15:4892fe388435 182 .size \handler_name, . - \handler_name
bogdanm 15:4892fe388435 183 .endm
bogdanm 15:4892fe388435 184
bogdanm 15:4892fe388435 185 def_default_handler NMI_Handler
bogdanm 15:4892fe388435 186 def_default_handler HardFault_Handler
bogdanm 15:4892fe388435 187 def_default_handler SVC_Handler
bogdanm 15:4892fe388435 188 def_default_handler PendSV_Handler
bogdanm 15:4892fe388435 189 def_default_handler SysTick_Handler
bogdanm 15:4892fe388435 190 def_default_handler Default_Handler
bogdanm 15:4892fe388435 191
bogdanm 15:4892fe388435 192 def_default_handler DMA0_IRQHandler
bogdanm 15:4892fe388435 193 def_default_handler DMA1_IRQHandler
bogdanm 15:4892fe388435 194 def_default_handler DMA2_IRQHandler
bogdanm 15:4892fe388435 195 def_default_handler DMA3_IRQHandler
bogdanm 15:4892fe388435 196 def_default_handler FTFA_IRQHandler
bogdanm 15:4892fe388435 197 def_default_handler LVD_LVW_IRQHandler
bogdanm 15:4892fe388435 198 def_default_handler LLW_IRQHandler
bogdanm 15:4892fe388435 199 def_default_handler I2C0_IRQHandler
bogdanm 15:4892fe388435 200 def_default_handler I2C1_IRQHandler
bogdanm 15:4892fe388435 201 def_default_handler SPI0_IRQHandler
bogdanm 15:4892fe388435 202 def_default_handler SPI1_IRQHandler
bogdanm 15:4892fe388435 203 def_default_handler UART0_IRQHandler
bogdanm 15:4892fe388435 204 def_default_handler UART1_IRQHandler
bogdanm 15:4892fe388435 205 def_default_handler UART2_IRQHandler
bogdanm 15:4892fe388435 206 def_default_handler ADC0_IRQHandler
bogdanm 15:4892fe388435 207 def_default_handler CMP0_IRQHandler
bogdanm 15:4892fe388435 208 def_default_handler TPM0_IRQHandler
bogdanm 15:4892fe388435 209 def_default_handler TPM1_IRQHandler
bogdanm 15:4892fe388435 210 def_default_handler TPM2_IRQHandler
bogdanm 15:4892fe388435 211 def_default_handler RTC_IRQHandler
bogdanm 15:4892fe388435 212 def_default_handler RTC_Seconds_IRQHandler
bogdanm 15:4892fe388435 213 def_default_handler PIT_IRQHandler
bogdanm 15:4892fe388435 214 def_default_handler USB0_IRQHandler
bogdanm 15:4892fe388435 215 def_default_handler DAC0_IRQHandler
bogdanm 15:4892fe388435 216 def_default_handler TSI0_IRQHandler
bogdanm 15:4892fe388435 217 def_default_handler MCG_IRQHandler
bogdanm 15:4892fe388435 218 def_default_handler LPTimer_IRQHandler
bogdanm 15:4892fe388435 219 def_default_handler PORTA_IRQHandler
bogdanm 15:4892fe388435 220 def_default_handler PORTD_IRQHandler
bogdanm 15:4892fe388435 221
bogdanm 15:4892fe388435 222 .weak DEF_IRQHandler
bogdanm 15:4892fe388435 223 .set DEF_IRQHandler, Default_Handler
bogdanm 15:4892fe388435 224
bogdanm 15:4892fe388435 225 /* Flash protection region, placed at 0x400 */
bogdanm 15:4892fe388435 226 .text
bogdanm 15:4892fe388435 227 .thumb
bogdanm 15:4892fe388435 228 .align 2
bogdanm 15:4892fe388435 229 .section .kinetis_flash_config_field,"a",%progbits
bogdanm 15:4892fe388435 230 kinetis_flash_config:
bogdanm 15:4892fe388435 231 .long 0xffffffff
bogdanm 15:4892fe388435 232 .long 0xffffffff
bogdanm 15:4892fe388435 233 .long 0xffffffff
bogdanm 15:4892fe388435 234 .long 0xfffffffe
bogdanm 15:4892fe388435 235
bogdanm 15:4892fe388435 236 .end