diff options
Diffstat (limited to 'board/eNET/u-boot.lds')
| -rw-r--r-- | board/eNET/u-boot.lds | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/board/eNET/u-boot.lds b/board/eNET/u-boot.lds new file mode 100644 index 0000000..f3d28ef --- /dev/null +++ b/board/eNET/u-boot.lds @@ -0,0 +1,90 @@ +/* + * (C) Copyright 2002 + * Daniel Engström, Omicron Ceti AB, daniel@omicron.se. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +OUTPUT_FORMAT("elf32-i386", "elf32-i386", "elf32-i386") +OUTPUT_ARCH(i386) +ENTRY(_start) + +SECTIONS +{ + . = 0x38040000; /* Location of bootcode in flash */ + .text : { *(.text); } + + . = ALIGN(4); + .rodata : { *(.rodata) *(.rodata.str1.1) *(.rodata.str1.32) } + + _i386boot_text_size = SIZEOF(.text) + SIZEOF(.rodata); + + . = 0x03FF0000; /* Ram data segment to use */ + _i386boot_romdata_dest = ABSOLUTE(.); + .data : AT ( LOADADDR(.rodata) + SIZEOF(.rodata) ) { *(.data) } + _i386boot_romdata_start = LOADADDR(.data); + + . = ALIGN(4); + .got : AT ( LOADADDR(.data) + SIZEOF(.data) ) { *(.got) } + + . = ALIGN(4); + __u_boot_cmd_start = .; + .u_boot_cmd : { *(.u_boot_cmd) } + __u_boot_cmd_end = .; + _i386boot_cmd_start = LOADADDR(.u_boot_cmd); + + _i386boot_romdata_size = SIZEOF(.data) + SIZEOF(.got) + SIZEOF(.u_boot_cmd); + + . = ALIGN(4); + _i386boot_bss_start = ABSOLUTE(.); + .bss (NOLOAD) : { *(.bss) } + _i386boot_bss_size = SIZEOF(.bss); + + /* 16bit realmode trampoline code */ + .realmode 0x7c0 : AT ( LOADADDR(.got) + SIZEOF(.got) + SIZEOF(.u_boot_cmd)) { *(.realmode) } + + _i386boot_realmode = LOADADDR(.realmode); + _i386boot_realmode_size = SIZEOF(.realmode); + + /* 16bit BIOS emulation code (just enough to boot Linux) */ + .bios 0 : AT ( LOADADDR(.realmode) + SIZEOF(.realmode) ) { *(.bios) } + + _i386boot_bios = LOADADDR(.bios); + _i386boot_bios_size = SIZEOF(.bios); + + /* The load addresses below assumes that the flash + * will be mapped so that 0x387f0000 == 0xffff0000 + * at reset time + * + * The fe00 and ff00 offsets of the start32 and start16 + * segments are arbitrary, the just have to be mapped + * at reset and the code have to fit. + * The fff0 offset of reset is important, however. + */ + + . = 0xfffffe00; + .start32 : AT (0x3807fe00) { *(.start32); } + + . = 0xf800; + .start16 : AT (0x3807f800) { *(.start16); } + + . = 0xfff0; + .reset : AT (0x3807fff0) { *(.reset); } + _i386boot_end = (LOADADDR(.reset) + SIZEOF(.reset) ); +} |