LNSC-2420-Firmware/ldscripts/lnsc-2420-debug.ld
Thomas Kolb 8c317f2904 Initial commit
- Set up build with latest libopencm3
- Created basic project structure
- Implement Charlieplexing for the LEDs and a little test sequence
2021-06-05 00:04:36 +02:00

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2 KiB
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/* Linker script for LNSC-2420: STM32F0K6T6*/
/* This debug linker script places everything in RAM for fewer flash write
* cycles */
/* Define memory regions. */
MEMORY
{
/*rom (rx) : ORIGIN = 0x08000000, LENGTH = 64K*/
ram (rwx) : ORIGIN = 0x20000000, LENGTH = 4K
}
/* Include the common ld script. */
/* INCLUDE libopencm3_stm32f4.ld */
/* Generic linker script for STM32 targets using libopencm3. */
/* Memory regions must be defined in the ld script which includes this one. */
/* Enforce emmition of the vector table. */
EXTERN (vector_table)
/* Define the entry point of the output file. */
ENTRY(reset_handler)
/* Define sections. */
SECTIONS
{
.text : {
*(.vectors) /* Vector table */
*(.text*) /* Program code */
. = ALIGN(4);
*(.rodata*) /* Read-only data */
. = ALIGN(4);
} >ram
/* C++ Static constructors/destructors, also used for __attribute__
* ((constructor)) and the likes */
.preinit_array : {
. = ALIGN(4);
__preinit_array_start = .;
KEEP (*(.preinit_array))
__preinit_array_end = .;
} >ram
.init_array : {
. = ALIGN(4);
__init_array_start = .;
KEEP (*(SORT(.init_array.*)))
KEEP (*(.init_array))
__init_array_end = .;
} >ram
.fini_array : {
. = ALIGN(4);
__fini_array_start = .;
KEEP (*(.fini_array))
KEEP (*(SORT(.fini_array.*)))
__fini_array_end = .;
} >ram
/*
* Another section used by C++ stuff, appears when using newlib with
* 64bit (long long) printf support
*/
.ARM.extab : {
*(.ARM.extab*)
} >ram
.ARM.exidx : {
__exidx_start = .;
*(.ARM.exidx*)
__exidx_end = .;
} >ram
. = ALIGN(4);
_etext = .;
.data : {
_data = .;
*(.data*) /* Read-write initialized data */
. = ALIGN(4);
_edata = .;
} >ram
.bss : {
*(.bss*) /* Read-write zero initialized data */
*(COMMON)
. = ALIGN(4);
_ebss = .;
} >ram
/*
* The .eh_frame section appears to be used for C++ exception handling.
* You may need to fix this if you're using C++.
*/
/DISCARD/ : { *(.eh_frame) }
. = ALIGN(4);
end = .;
}
PROVIDE(_stack = ORIGIN(ram) + LENGTH(ram));