DongEun Koak / mbed-src

mbed library sources

Dependents:   Freedman_v2 Nucleo_i2c_OLED_BME280_copy

Fork of mbed-src 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