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u-boot/arch/arm/cpu/u-boot-spl.lds

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SPDX: Convert all of our single license tags to Linux Kernel style When U-Boot started using SPDX tags we were among the early adopters and there weren't a lot of other examples to borrow from. So we picked the area of the file that usually had a full license text and replaced it with an appropriate SPDX-License-Identifier: entry. Since then, the Linux Kernel has adopted SPDX tags and they place it as the very first line in a file (except where shebangs are used, then it's second line) and with slightly different comment styles than us. In part due to community overlap, in part due to better tag visibility and in part for other minor reasons, switch over to that style. This commit changes all instances where we have a single declared license in the tag as both the before and after are identical in tag contents. There's also a few places where I found we did not have a tag and have introduced one. Signed-off-by: Tom Rini <trini@konsulko.com>
2018-05-06 21:58:06 +00:00
/* SPDX-License-Identifier: GPL-2.0+ */
Remove linker lists (LGAs) from SPL linker scripts Many SPL linker scripts needlessly include linker lists (aka LGAs). Remove them whenever possible; keep it only in the seven am335x_evm variants (am335x_evm, am335x_evm_uart[1-5], am335x_evm_spiboot), where there is actual content in output section .u_boot_list. This commit keeps all u-boot.bin and u-boot-spl.bin in ARM targets byte-identical. Signed-off-by: Albert ARIBAUD <albert.u.boot@aribaud.net>
2013-02-25 00:58:58 +00:00
/*
* Copyright (c) 2004-2008 Texas Instruments
*
* (C) Copyright 2002
* Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
*/
OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
OUTPUT_ARCH(arm)
ENTRY(_start)
SECTIONS
{
. = 0x00000000;
. = ALIGN(4);
.text :
{
__image_copy_start = .;
arm: move exception handling out of start.S files Exception handling is basically identical for all ARM targets. Factorize it out of the various start.S files and into a single vectors.S file, and adjust linker scripts accordingly. Signed-off-by: Albert ARIBAUD <albert.u.boot@aribaud.net>
2014-04-15 14:13:51 +00:00
*(.vectors)
Remove linker lists (LGAs) from SPL linker scripts Many SPL linker scripts needlessly include linker lists (aka LGAs). Remove them whenever possible; keep it only in the seven am335x_evm variants (am335x_evm, am335x_evm_uart[1-5], am335x_evm_spiboot), where there is actual content in output section .u_boot_list. This commit keeps all u-boot.bin and u-boot-spl.bin in ARM targets byte-identical. Signed-off-by: Albert ARIBAUD <albert.u.boot@aribaud.net>
2013-02-25 00:58:58 +00:00
CPUDIR/start.o (.text*)
*(.text*)
ARM: spl: include arm/thumb glue sections When building in Thumb mode, the linker might generate mode switching stubs in .glue sections. Include these in the final link. Signed-off-by: Mans Rullgard <mans@mansr.com>
2018-04-21 15:11:08 +00:00
*(.glue*)
Remove linker lists (LGAs) from SPL linker scripts Many SPL linker scripts needlessly include linker lists (aka LGAs). Remove them whenever possible; keep it only in the seven am335x_evm variants (am335x_evm, am335x_evm_uart[1-5], am335x_evm_spiboot), where there is actual content in output section .u_boot_list. This commit keeps all u-boot.bin and u-boot-spl.bin in ARM targets byte-identical. Signed-off-by: Albert ARIBAUD <albert.u.boot@aribaud.net>
2013-02-25 00:58:58 +00:00
}
. = ALIGN(4);
.rodata : { *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) }
. = ALIGN(4);
.data : {
*(.data*)
}
. = ALIGN(4);
dm: arm: spl: Make driver model linker lists available The linker lists feature is useful in SPL as it holds the driver model platform data. So don't throw away the lists. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Tom Rini <trini@ti.com>
2014-11-11 00:16:52 +00:00
.u_boot_list : {
spl: arm: Make sure to include all of the u_boot_list entries Starting with 96e5b03 we use a linker list for partition table information. However since we use this in SPL we need to make sure that the SPL linker scripts include these as well. While doing this, it's best to simply include all linker lists to future proof ourselves. Cc: Andreas Bießmann <andreas.devel@googlemail.com> Acked-by: Michal Simek <michal.simek@xilinx.com> Reviewed-by: Simon Glass <sjg@chromium.org> Reported-by: Nishanth Menon <nm@ti.com> Tested-by: Nishanth Menon <nm@ti.com> Signed-off-by: Tom Rini <trini@konsulko.com>
2016-03-15 21:56:29 +00:00
KEEP(*(SORT(.u_boot_list*)));
dm: arm: Put driver model I2C drivers before legacy ones Driver-model I2C drivers can be picked up by the linker script rule for legacy drivers. Change the order to avoid this. We could make the legacy code depend on !CONFIG_DM_I2C but that is not necessary and it is good to keep conditions to a minimum. Signed-off-by: Simon Glass <sjg@chromium.org>
2015-06-23 21:38:30 +00:00
}
binman: arm: Include the binman symbol table This area of the image contains symbols whose values are filled in by binman. If this feature is not used, the table is empty. Add this to the ARM SPL link script. Signed-off-by: Simon Glass <sjg@chromium.org>
2017-11-14 01:55:02 +00:00
. = ALIGN(4);
.binman_sym_table : {
__binman_sym_start = .;
KEEP(*(SORT(.binman_sym*)));
__binman_sym_end = .;
}
dm: arm: spl: Make driver model linker lists available The linker lists feature is useful in SPL as it holds the driver model platform data. So don't throw away the lists. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Tom Rini <trini@ti.com>
2014-11-11 00:16:52 +00:00
. = ALIGN(4);
Remove linker lists (LGAs) from SPL linker scripts Many SPL linker scripts needlessly include linker lists (aka LGAs). Remove them whenever possible; keep it only in the seven am335x_evm variants (am335x_evm, am335x_evm_uart[1-5], am335x_evm_spiboot), where there is actual content in output section .u_boot_list. This commit keeps all u-boot.bin and u-boot-spl.bin in ARM targets byte-identical. Signed-off-by: Albert ARIBAUD <albert.u.boot@aribaud.net>
2013-02-25 00:58:58 +00:00
__image_copy_end = .;
.rel.dyn : {
__rel_dyn_start = .;
*(.rel*)
__rel_dyn_end = .;
}
arm: make _end compiler-generated This prevents references to _end from generating absolute relocation records. This change is binary invariant for ARM targets. Signed-off-by: Albert ARIBAUD <albert.u.boot@aribaud.net>
2014-02-22 16:53:42 +00:00
.end :
{
*(.__end)
}
_image_binary_end = .;
Remove linker lists (LGAs) from SPL linker scripts Many SPL linker scripts needlessly include linker lists (aka LGAs). Remove them whenever possible; keep it only in the seven am335x_evm variants (am335x_evm, am335x_evm_uart[1-5], am335x_evm_spiboot), where there is actual content in output section .u_boot_list. This commit keeps all u-boot.bin and u-boot-spl.bin in ARM targets byte-identical. Signed-off-by: Albert ARIBAUD <albert.u.boot@aribaud.net>
2013-02-25 00:58:58 +00:00
.bss __rel_dyn_start (OVERLAY) : {
__bss_start = .;
*(.bss*)
. = ALIGN(4);
Merge branch 'master' of git://git.denx.de/u-boot-arm Albert's rework of the linker scripts conflicted with Simon's making everyone use __bss_end. We also had a minor conflict over README.scrapyard being added to in mainline and enhanced in u-boot-arm/master with proper formatting. Conflicts: arch/arm/cpu/ixp/u-boot.lds arch/arm/cpu/u-boot.lds arch/arm/lib/Makefile board/actux1/u-boot.lds board/actux2/u-boot.lds board/actux3/u-boot.lds board/dvlhost/u-boot.lds board/freescale/mx31ads/u-boot.lds doc/README.scrapyard include/configs/tegra-common.h Build tested for all of ARM and run-time tested on am335x_evm. Signed-off-by: Tom Rini <trini@ti.com>
2013-03-18 16:31:00 +00:00
__bss_end = .;
Remove linker lists (LGAs) from SPL linker scripts Many SPL linker scripts needlessly include linker lists (aka LGAs). Remove them whenever possible; keep it only in the seven am335x_evm variants (am335x_evm, am335x_evm_uart[1-5], am335x_evm_spiboot), where there is actual content in output section .u_boot_list. This commit keeps all u-boot.bin and u-boot-spl.bin in ARM targets byte-identical. Signed-off-by: Albert ARIBAUD <albert.u.boot@aribaud.net>
2013-02-25 00:58:58 +00:00
}
dm: Reduce SPL device tree size The SPL device tree size must be minimised to save memory. Only include properties that are needed by SPL - this is determined by the presence of the "u-boot,dm-pre-reloc" property. Also remove a predefined list of unused properties from the nodes that remain. Signed-off-by: Simon Glass <sjg@chromium.org>
2015-06-23 21:38:29 +00:00
__bss_size = __bss_end - __bss_start;
arm: make _end compiler-generated This prevents references to _end from generating absolute relocation records. This change is binary invariant for ARM targets. Signed-off-by: Albert ARIBAUD <albert.u.boot@aribaud.net>
2014-02-22 16:53:42 +00:00
.dynsym _image_binary_end : { *(.dynsym) }
arm: keep all sections in ELF file Current LDS files /DISCARD/ a lot of sections when linking ELF files, causing diagnostic tools such as readelf or objdump to produce partial output. Keep all section at link stage, filter only at objcopy time so that .bin remains minimal. Signed-off-by: Albert ARIBAUD <albert.u.boot@aribaud.net> Reviewed-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com>
2013-11-07 13:21:46 +00:00
.dynbss : { *(.dynbss) }
.dynstr : { *(.dynstr*) }
.dynamic : { *(.dynamic*) }
.hash : { *(.hash*) }
.plt : { *(.plt*) }
.interp : { *(.interp*) }
.gnu : { *(.gnu*) }
.ARM.exidx : { *(.ARM.exidx*) }
Remove linker lists (LGAs) from SPL linker scripts Many SPL linker scripts needlessly include linker lists (aka LGAs). Remove them whenever possible; keep it only in the seven am335x_evm variants (am335x_evm, am335x_evm_uart[1-5], am335x_evm_spiboot), where there is actual content in output section .u_boot_list. This commit keeps all u-boot.bin and u-boot-spl.bin in ARM targets byte-identical. Signed-off-by: Albert ARIBAUD <albert.u.boot@aribaud.net>
2013-02-25 00:58:58 +00:00
}
ARM: fix CONFIG_SPL_MAX_SIZE semantics Remove SPL-related ASSERT() in arch/arm/cpu/u-boot.lds as this file is never used for SPL builds. Rewrite the ASSERT() in arch/arm/cpu/u-boot-spl.lds to separately test image (text,data,rodata...) size, BSS size, and full footprint each against its own max, and make Tegra boards check full footprint. Also, output section mmutable is not used in SPL builds. Remove it. Finally, update README regarding the (now homogeneous) semantics of CONFIG_SPL_[BSS_]MAX_SIZE and add the new CONFIG_SPL_MAX_FOOTPRINT macro. Signed-off-by: Albert ARIBAUD <albert.u.boot@aribaud.net> Reported-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com>
2013-04-12 05:14:30 +00:00
#if defined(CONFIG_SPL_MAX_SIZE)
ASSERT(__image_copy_end - __image_copy_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
#if defined(CONFIG_SPL_MAX_FOOTPRINT)
ASSERT(__bss_end - _start < (CONFIG_SPL_MAX_FOOTPRINT), \
"SPL image plus BSS too big");
Remove linker lists (LGAs) from SPL linker scripts Many SPL linker scripts needlessly include linker lists (aka LGAs). Remove them whenever possible; keep it only in the seven am335x_evm variants (am335x_evm, am335x_evm_uart[1-5], am335x_evm_spiboot), where there is actual content in output section .u_boot_list. This commit keeps all u-boot.bin and u-boot-spl.bin in ARM targets byte-identical. Signed-off-by: Albert ARIBAUD <albert.u.boot@aribaud.net>
2013-02-25 00:58:58 +00:00
#endif
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