tinygo/arm.ld
Ayke van Laethem a446b4de97 Be able to actually run the blinky example on an nRF
runtime.Sleep() doesn't work yet so it prints a lot of data. Also, this
depends on a small patch to nrfx.
2018-04-25 20:35:19 +02:00

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Text

MEMORY
{
FLASH_TEXT (rw) : ORIGIN = 0x00000000, LENGTH = 256K /* .text */
RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 16K
}
/* define output sections */
SECTIONS
{
/* The program code and other data goes into FLASH */
.text :
{
_stext = .;
. = ALIGN(4);
KEEP(*(.isr_vector))
*(.text) /* .text sections (code) */
*(.text*) /* .text* sections (code) */
*(.rodata) /* .rodata sections (constants, strings, etc.) */
*(.rodata*) /* .rodata* sections (constants, strings, etc.) */
. = ALIGN(4);
_etext = .; /* define a global symbol at end of code */
} >FLASH_TEXT
/* used by the startup to initialize data */
_sidata = LOADADDR(.data);
/* This is the initialized data section
The program executes knowing that the data is in the RAM
but the loader puts the initial values in the FLASH (inidata).
It is one task of the startup to copy the initial values from FLASH to RAM. */
.data :
{
. = ALIGN(4);
_sdata = .; /* create a global symbol at data start; used by startup code in order to initialise the .data section in RAM */
*(.data) /* .data sections */
*(.data*) /* .data* sections */
. = ALIGN(4);
_edata = .; /* define a global symbol at data end; used by startup code in order to initialise the .data section in RAM */
} >RAM AT>FLASH_TEXT
/* Uninitialized data section */
.bss :
{
. = ALIGN(4);
_sbss = .; /* define a global symbol at bss start; used by startup code */
*(.bss)
*(.bss*)
*(COMMON)
. = ALIGN(4);
_ebss = .; /* define a global symbol at bss end; used by startup code and GC */
} >RAM
.ARM.attributes 0 : { *(.ARM.attributes) }
}
/* For the nrfx startup file */
__etext = _etext;
__data_start__ = _sdata;
__bss_start__ = _sbss;