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/*
* 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.
*/
ENTRY(reset_vector)
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.*);
*(.text);
*(.text.*);
*(.rodata);
*(.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.*)
*(.eh_frame)
*(.iplt)
*(.rel.*)
*(.igot.*)
}
}
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