| |
| /* |
| * (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 |
| { |
| . = 0x387c0000; /* Where bootcode in the flash is mapped */ |
| .text : { *(.text); } |
| |
| . = ALIGN(4); |
| .rodata : { *(.rodata) } |
| |
| . = 0x400000; /* 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) } |
| _i386boot_romdata_size = SIZEOF(.data) + SIZEOF(.got); |
| |
| |
| . = ALIGN(4); |
| _i386boot_bss_start = ABSOLUTE(.); |
| .bss (NOLOAD) : { *(.bss) . = ALIGN(4); } |
| _i386boot_bss_size = SIZEOF(.bss); |
| |
| |
| . = .; |
| __u_boot_cmd_start = .; |
| .u_boot_cmd : { *(.u_boot_cmd) } |
| __u_boot_cmd_end = .; |
| |
| |
| /* 16bit realmode trampoline code */ |
| .realmode 0x7c0 : AT ( LOADADDR(.got) + SIZEOF(.got) ) { *(.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 (0x387ffe00) { *(.start32); } |
| |
| . = 0xff00; |
| .start16 : AT (0x387fff00) { *(.start16); } |
| |
| . = 0xfff0; |
| .reset : AT (0x387ffff0) { *(.reset); } |
| _i386boot_end = (LOADADDR(.reset) + SIZEOF(.reset) ); |
| } |