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// rp2040 linker script (based on armcm_link.lds.S and customized for stage2)
//
// Copyright (C) 2019-2024 Kevin O'Connor <kevin@koconnor.net>
//
// This file may be distributed under the terms of the GNU GPLv3 license.
#include "autoconf.h" // CONFIG_FLASH_SIZE
OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
OUTPUT_ARCH(arm)
#if CONFIG_RP2040_HAVE_STAGE2
#define ROM_ORIGIN 0x10000000
#else
#define ROM_ORIGIN CONFIG_FLASH_APPLICATION_ADDRESS
#endif
MEMORY
{
rom (rx) : ORIGIN = ROM_ORIGIN , LENGTH = CONFIG_FLASH_SIZE
ram (rwx) : ORIGIN = CONFIG_RAM_START , LENGTH = CONFIG_RAM_SIZE
}
SECTIONS
{
.text : {
. = ALIGN(4);
#if CONFIG_RP2040_HAVE_STAGE2
KEEP(*(.boot2))
#endif
_text_vectortable_start = .;
KEEP(*(.vector_table))
_text_vectortable_end = .;
*(.text .text.*)
*(.rodata .rodata*)
} > rom
. = ALIGN(4);
_data_flash = .;
.data : AT (_data_flash)
{
. = ALIGN(4);
_data_start = .;
*(.ramfunc .ramfunc.*);
*(.data .data.*);
. = ALIGN(4);
_data_end = .;
} > ram
.bss (NOLOAD) :
{
. = ALIGN(4);
_bss_start = .;
*(.bss .bss.*)
*(COMMON)
. = ALIGN(4);
_bss_end = .;
} > ram
_stack_start = CONFIG_RAM_START + CONFIG_RAM_SIZE - CONFIG_STACK_SIZE ;
.stack _stack_start (NOLOAD) :
{
. = . + CONFIG_STACK_SIZE;
_stack_end = .;
} > ram
/DISCARD/ : {
// The .init/.fini sections are used by __libc_init_array(), but
// that isn't needed so no need to include them in the binary.
*(.init)
*(.fini)
}
}
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