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/*
Copyright (c) 2015, Nordic Semiconductor ASA
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
* Neither the name of Nordic Semiconductor ASA nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
NOTE: Template files (including this one) are application specific and therefore
expected to be copied into the application project folder prior to its use!
*/
.syntax unified
.arch armv7e-m
.section .stack
.align 3
.equ Stack_Size, 432
.globl __StackTop
.globl __StackLimit
__StackLimit:
.space Stack_Size
.size __StackLimit, . - __StackLimit
__StackTop:
.size __StackTop, . - __StackTop
.section .heap
.align 3
#ifdef __HEAP_SIZE
.equ Heap_Size, __HEAP_SIZE
#else
.equ Heap_Size, 0
#endif
.globl __HeapBase
.globl __HeapLimit
__HeapBase:
.if Heap_Size
.space Heap_Size
.endif
.size __HeapBase, . - __HeapBase
__HeapLimit:
.size __HeapLimit, . - __HeapLimit
.section .isr_vector_split
.align 2
.globl __isr_vector_split
__isr_vector_split:
.long __StackTop /* Top of Stack */
.long Reset_Handler_split /* Reset Handler */
.size __isr_vector_split, . - __isr_vector_split
/* Reset Handler */
.text
.thumb
.thumb_func
.align 1
.globl Reset_Handler_split
.type Reset_Handler_split, %function
Reset_Handler_split:
.fnstart
/* Clear CPU state before proceeding */
mov r0, #0
msr control, r0
msr primask, r0
/* Clear BSS */
ldr r2, =__bss_start__
ldr r3, =__bss_end__
.bss_zero_loop:
cmp r2, r3
itt lt
strlt r0, [r2], #4
blt .bss_zero_loop
/* Loop to copy data from read only memory to RAM. The ranges
* of copy from/to are specified by following symbols evaluated in
* linker script.
* __etext: End of code section, i.e., begin of data sections to copy from.
* __data_start__/__data_end__: RAM address range that data should be
* copied to. Both must be aligned to 4 bytes boundary. */
ldr r1, =__etext
ldr r2, =__data_start__
ldr r3, =__data_end__
subs r3, r2
ble .LC0
.LC1:
subs r3, 4
ldr r0, [r1,r3]
str r0, [r2,r3]
bgt .LC1
.LC0:
ldr r1, =__etext_loader
ldr r2, =__data_start___loader
ldr r3, =__data_end___loader
subs r3, r2
ble .LC2
.LC3:
subs r3, 4
ldr r0, [r1,r3]
str r0, [r2,r3]
bgt .LC3
.LC2:
subs r0, r0
ldr r2, =__bss_start___loader
ldr r3, =__bss_end___loader
subs r3, r2
ble .LC4
.LC5:
subs r3, 4
str r0, [r2,r3]
bgt .LC5
.LC4:
LDR R0, =__HeapBase
LDR R1, =__HeapLimit
BL _sbrkInit
LDR R0, =SystemInit
BLX R0
BL hal_system_init
LDR R0, =_start_split
BX R0
.pool
.cantunwind
.fnend
.size Reset_Handler_split,.-Reset_Handler_split
.section ".text"
.end