| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2006 Advanced Micro Devices, Inc. |
| * Copyright (C) 2008-2010 coresystems GmbH |
| * |
| * 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; version 2 of the License. |
| * |
| * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| /* We use ELF as output format. So that we can debug the code in some form. */ |
| OUTPUT_FORMAT("elf32-i386", "elf32-i386", "elf32-i386") |
| OUTPUT_ARCH(i386) |
| |
| MEMORY { |
| rom : ORIGIN = 0xffff0000, LENGTH = 64K |
| } |
| |
| TARGET(binary) |
| SECTIONS |
| { |
| /* Symbol ap_sipi_vector must be aligned to 4kB to start AP CPUs |
| * with Startup IPI message without RAM. Align .rom to next 4 byte |
| * boundary anyway, so no pad byte appears between _rom and _start. |
| */ |
| .bogus ROMLOC_MIN : { |
| . = CONFIG_SIPI_VECTOR_IN_ROM ? ALIGN(4096) : ALIGN(4); |
| ROMLOC = .; |
| } >rom = 0xff |
| |
| /* This section might be better named .setup */ |
| .rom ROMLOC : { |
| _rom = .; |
| ap_sipi_vector = .; |
| *(.rom.text); |
| *(.rom.data); |
| *(.rom.data.*); |
| *(.rodata.*); |
| _erom = .; |
| } >rom = 0xff |
| |
| /* Allocation reserves extra 16 bytes here. Alignment requirements |
| * may cause the total size of a section to change when the start |
| * address gets applied. |
| */ |
| ROMLOC_MIN = 0xffffff00 - (_erom - _rom + 16) - |
| (CONFIG_SIPI_VECTOR_IN_ROM ? 4096 : 0); |
| |
| /* Post-check proper SIPI vector. */ |
| _bogus = ASSERT(!CONFIG_SIPI_VECTOR_IN_ROM || ((ap_sipi_vector & 0x0fff) == 0x0), |
| "Bad SIPI vector alignment"); |
| _bogus = ASSERT(!CONFIG_SIPI_VECTOR_IN_ROM || (ap_sipi_vector == CONFIG_AP_SIPI_VECTOR), |
| "Address mismatch on AP_SIPI_VECTOR"); |
| |
| /DISCARD/ : { |
| *(.comment) |
| *(.note) |
| *(.comment.*) |
| *(.note.*) |
| *(.iplt) |
| *(.rel.*) |
| *(.igot.*) |
| } |
| } |
