diff options
author | Simon Glass <sjg@chromium.org> | 2017-01-16 07:04:02 -0700 |
---|---|---|
committer | Bin Meng <bmeng.cn@gmail.com> | 2017-02-06 11:38:46 +0800 |
commit | 3c2dd537c77277e17f414dd74cbc44ce455cccfe (patch) | |
tree | 9d775381dbeddb9690f9e28bb68ca0355653dcf3 | |
parent | 3742d7a851aa877c6c96053bbe966368f073e47e (diff) |
x86: Add a link script for SPL
If SPL is used it is always build in 32-bit mode. Add a link script to
handle the correct placement of the sections.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
-rw-r--r-- | arch/x86/cpu/u-boot-spl.lds | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/arch/x86/cpu/u-boot-spl.lds b/arch/x86/cpu/u-boot-spl.lds new file mode 100644 index 0000000000..8a38d58f12 --- /dev/null +++ b/arch/x86/cpu/u-boot-spl.lds @@ -0,0 +1,74 @@ +/* + * (C) Copyright 2002 + * Daniel Engström, Omicron Ceti AB, daniel@omicron.se. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <config.h> +OUTPUT_FORMAT("elf32-i386", "elf32-i386", "elf32-i386") +OUTPUT_ARCH(i386) +ENTRY(_start) + +SECTIONS +{ +#ifndef CONFIG_CMDLINE + /DISCARD/ : { *(.u_boot_list_2_cmd_*) } +#endif + + . = CONFIG_SPL_TEXT_BASE; /* Location of bootcode in flash */ + __text_start = .; + .text : { *(.text*); } + + . = ALIGN(4); + + . = ALIGN(4); + .u_boot_list : { + KEEP(*(SORT(.u_boot_list*))); + } + + . = ALIGN(4); + .rodata : { *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) } + + . = ALIGN(4); + .data : { *(.data*) } + + . = ALIGN(4); + __data_end = .; + __init_end = .; + + _image_binary_end = .; + + . = 0x120000; + .bss (OVERLAY) : { + __bss_start = .; + *(.bss*) + *(COM*) + . = ALIGN(4); + __bss_end = .; + } + __bss_size = __bss_end - __bss_start; + + /DISCARD/ : { *(.dynstr*) } + /DISCARD/ : { *(.dynamic*) } + /DISCARD/ : { *(.plt*) } + /DISCARD/ : { *(.interp*) } + /DISCARD/ : { *(.gnu*) } + +#ifdef CONFIG_SPL_X86_16BIT_INIT + /* + * The following expressions place the 16-bit Real-Mode code and + * Reset Vector at the end of the Flash ROM + */ + . = START_16 - RESET_SEG_START; + .start16 : AT (START_16) { + KEEP(*(.start16)); + } + + . = RESET_VEC_LOC - RESET_SEG_START; + .resetvec : AT (RESET_VEC_LOC) { + KEEP(*(.resetvec)); + } +#endif + +} |