Graeme Russ | c620c01 | 2008-12-07 10:28:57 +1100 | [diff] [blame] | 1 | /* |
| 2 | * (C) Copyright 2002 |
| 3 | * Daniel Engström, Omicron Ceti AB, daniel@omicron.se. |
| 4 | * |
| 5 | * See file CREDITS for list of people who contributed to this |
| 6 | * project. |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or |
| 9 | * modify it under the terms of the GNU General Public License as |
| 10 | * published by the Free Software Foundation; either version 2 of |
| 11 | * the License, or (at your option) any later version. |
| 12 | * |
| 13 | * This program is distributed in the hope that it will be useful, |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | * GNU General Public License for more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU General Public License |
| 19 | * along with this program; if not, write to the Free Software |
| 20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| 21 | * MA 02111-1307 USA |
| 22 | */ |
| 23 | |
Graeme Russ | e413554 | 2011-04-13 19:43:25 +1000 | [diff] [blame] | 24 | #include <config.h> |
Graeme Russ | c620c01 | 2008-12-07 10:28:57 +1100 | [diff] [blame] | 25 | OUTPUT_FORMAT("elf32-i386", "elf32-i386", "elf32-i386") |
| 26 | OUTPUT_ARCH(i386) |
| 27 | ENTRY(_start) |
| 28 | |
| 29 | SECTIONS |
| 30 | { |
Wolfgang Denk | c8d76ea | 2010-10-18 23:43:37 +0200 | [diff] [blame] | 31 | . = CONFIG_SYS_TEXT_BASE; /* Location of bootcode in flash */ |
Graeme Russ | 067f9b1 | 2010-10-07 20:03:31 +1100 | [diff] [blame] | 32 | __text_start = .; |
Graeme Russ | 2219142 | 2010-10-07 20:03:32 +1100 | [diff] [blame] | 33 | .text : { *(.text*); } |
Graeme Russ | c620c01 | 2008-12-07 10:28:57 +1100 | [diff] [blame] | 34 | |
| 35 | . = ALIGN(4); |
Graeme Russ | c620c01 | 2008-12-07 10:28:57 +1100 | [diff] [blame] | 36 | __u_boot_cmd_start = .; |
| 37 | .u_boot_cmd : { *(.u_boot_cmd) } |
Graeme Russ | 1c409bc | 2009-11-24 20:04:21 +1100 | [diff] [blame] | 38 | . = ALIGN(4); |
Graeme Russ | c620c01 | 2008-12-07 10:28:57 +1100 | [diff] [blame] | 39 | __u_boot_cmd_end = .; |
Graeme Russ | c620c01 | 2008-12-07 10:28:57 +1100 | [diff] [blame] | 40 | |
Graeme Russ | 2219142 | 2010-10-07 20:03:32 +1100 | [diff] [blame] | 41 | . = ALIGN(4); |
| 42 | .rodata : { *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) } |
| 43 | |
| 44 | . = ALIGN(4); |
| 45 | .data : { *(.data*) } |
| 46 | |
| 47 | . = ALIGN(4); |
| 48 | .dynsym : { *(.dynsym*) } |
| 49 | |
| 50 | . = ALIGN(4); |
| 51 | .hash : { *(.hash*) } |
| 52 | |
| 53 | . = ALIGN(4); |
| 54 | .got : { *(.got*) } |
| 55 | |
| 56 | . = ALIGN(4); |
| 57 | __data_end = .; |
Graeme Russ | c620c01 | 2008-12-07 10:28:57 +1100 | [diff] [blame] | 58 | |
| 59 | . = ALIGN(4); |
Graeme Russ | 067f9b1 | 2010-10-07 20:03:31 +1100 | [diff] [blame] | 60 | __bss_start = ABSOLUTE(.); |
Graeme Russ | c620c01 | 2008-12-07 10:28:57 +1100 | [diff] [blame] | 61 | .bss (NOLOAD) : { *(.bss) } |
Graeme Russ | f2ff75c | 2010-10-07 20:03:33 +1100 | [diff] [blame] | 62 | . = ALIGN(4); |
| 63 | __bss_end = ABSOLUTE(.); |
Graeme Russ | c620c01 | 2008-12-07 10:28:57 +1100 | [diff] [blame] | 64 | |
Graeme Russ | 2219142 | 2010-10-07 20:03:32 +1100 | [diff] [blame] | 65 | . = ALIGN(4); |
| 66 | __rel_dyn_start = .; |
| 67 | .rel.dyn : { *(.rel.dyn) } |
| 68 | __rel_dyn_end = .; |
| 69 | |
| 70 | /DISCARD/ : { *(.dynstr*) } |
| 71 | /DISCARD/ : { *(.dynamic*) } |
| 72 | /DISCARD/ : { *(.plt*) } |
| 73 | /DISCARD/ : { *(.interp*) } |
| 74 | /DISCARD/ : { *(.gnu*) } |
| 75 | |
Graeme Russ | c620c01 | 2008-12-07 10:28:57 +1100 | [diff] [blame] | 76 | /* 16bit realmode trampoline code */ |
Graeme Russ | 3a25e94 | 2011-02-12 15:11:24 +1100 | [diff] [blame] | 77 | .realmode REALMODE_BASE : AT ( LOADADDR(.rel.dyn) + SIZEOF(.rel.dyn) ) { KEEP(*(.realmode)) } |
Graeme Russ | c620c01 | 2008-12-07 10:28:57 +1100 | [diff] [blame] | 78 | |
Graeme Russ | 067f9b1 | 2010-10-07 20:03:31 +1100 | [diff] [blame] | 79 | __realmode_start = LOADADDR(.realmode); |
| 80 | __realmode_size = SIZEOF(.realmode); |
Graeme Russ | c620c01 | 2008-12-07 10:28:57 +1100 | [diff] [blame] | 81 | |
| 82 | /* 16bit BIOS emulation code (just enough to boot Linux) */ |
Graeme Russ | d664adb | 2010-10-07 20:03:20 +1100 | [diff] [blame] | 83 | .bios 0 : AT ( LOADADDR(.realmode) + SIZEOF(.realmode) ) { KEEP(*(.bios)) } |
Graeme Russ | c620c01 | 2008-12-07 10:28:57 +1100 | [diff] [blame] | 84 | |
Graeme Russ | 067f9b1 | 2010-10-07 20:03:31 +1100 | [diff] [blame] | 85 | __bios_start = LOADADDR(.bios); |
| 86 | __bios_size = SIZEOF(.bios); |
Graeme Russ | c620c01 | 2008-12-07 10:28:57 +1100 | [diff] [blame] | 87 | |
Graeme Russ | 3a25e94 | 2011-02-12 15:11:24 +1100 | [diff] [blame] | 88 | /* |
| 89 | * The following expressions place the 16-bit Real-Mode code and |
| 90 | * Reset Vector at the end of the Flash ROM |
Graeme Russ | c620c01 | 2008-12-07 10:28:57 +1100 | [diff] [blame] | 91 | */ |
Graeme Russ | 3a25e94 | 2011-02-12 15:11:24 +1100 | [diff] [blame] | 92 | . = START_16; |
Graeme Russ | e413554 | 2011-04-13 19:43:25 +1000 | [diff] [blame] | 93 | .start16 : AT (CONFIG_SYS_TEXT_BASE + (CONFIG_SYS_MONITOR_LEN - RESET_SEG_SIZE + START_16)) { KEEP(*(.start16)); } |
Graeme Russ | c620c01 | 2008-12-07 10:28:57 +1100 | [diff] [blame] | 94 | |
Graeme Russ | 3a25e94 | 2011-02-12 15:11:24 +1100 | [diff] [blame] | 95 | . = RESET_VEC_LOC; |
Graeme Russ | e413554 | 2011-04-13 19:43:25 +1000 | [diff] [blame] | 96 | .resetvec : AT (CONFIG_SYS_TEXT_BASE + (CONFIG_SYS_MONITOR_LEN - RESET_SEG_SIZE + RESET_VEC_LOC)) { KEEP(*(.resetvec)); } |
Graeme Russ | c620c01 | 2008-12-07 10:28:57 +1100 | [diff] [blame] | 97 | } |