u-boot-brain/arch/arm/mach-at91/arm926ejs/u-boot-spl.lds
Eugen.Hristev@microchip.com bbaeb7ac22 ARM: at91: lds: add test for SPL binary size and bss size
Add test for the SPL binary size and the bss section size.
This will throw an error at build time if the SPL sections
do not fit in the designated RAM area, thus avoiding oversizing the SPL.

Based on original work by Wenyou Yang.

Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
2018-12-07 08:13:44 -05:00

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/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright (C) 2015 Atmel Corporation
* Bo Shen <voice.shen@atmel.com>
*/
MEMORY { .sram : ORIGIN = CONFIG_SPL_TEXT_BASE, \
LENGTH = CONFIG_SPL_MAX_SIZE }
MEMORY { .sdram : ORIGIN = CONFIG_SPL_BSS_START_ADDR, \
LENGTH = CONFIG_SPL_BSS_MAX_SIZE }
OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
OUTPUT_ARCH(arm)
ENTRY(_start)
SECTIONS
{
.text :
{
__start = .;
*(.vectors)
arch/arm/cpu/arm926ejs/start.o (.text*)
*(.text*)
} >.sram
. = ALIGN(4);
.rodata : { *(SORT_BY_ALIGNMENT(.rodata*)) } >.sram
. = ALIGN(4);
.data : { *(SORT_BY_ALIGNMENT(.data*)) } >.sram
. = ALIGN(4);
.u_boot_list : { KEEP(*(SORT(.u_boot_list*))) } > .sram
. = ALIGN(4);
__image_copy_end = .;
.end :
{
*(.__end)
} >.sram
.bss :
{
. = ALIGN(4);
__bss_start = .;
*(.bss*)
. = ALIGN(4);
__bss_end = .;
} >.sdram
}
#if defined(CONFIG_SPL_MAX_SIZE)
ASSERT(__image_copy_end - __start < (CONFIG_SPL_MAX_SIZE), \
"SPL image too big");
#endif
#if defined(CONFIG_SPL_BSS_MAX_SIZE)
ASSERT(__bss_end - __bss_start < (CONFIG_SPL_BSS_MAX_SIZE), \
"SPL image BSS too big");
#endif