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/*
* File: arch/blackfin/kernel/vmlinux.lds.S
* Based on: none - original work
* Author:
*
* Created: Tue Sep 21 2004
* Description: Master linker script for blackfin architecture
*
* Modified:
* Copyright 2004-2007 Analog Devices Inc.
*
* Bugs: Enter bugs at http://blackfin.uclinux.org/
*
* 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, see the file COPYING, or write
* to the Free Software Foundation, Inc.,
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#define VMLINUX_SYMBOL(_sym_) _##_sym_
#include <asm-generic/vmlinux.lds.h>
#include <asm/mem_map.h>
#include <asm/page.h>
#include <asm/thread_info.h>
OUTPUT_FORMAT("elf32-bfin")
ENTRY(__start)
_jiffies = _jiffies_64;
SECTIONS
{
. = CONFIG_BOOT_LOAD;
/* Neither the text, ro_data or bss section need to be aligned
* So pack them back to back
*/
.text :
{
__text = .;
_text = .;
__stext = .;
TEXT_TEXT
#ifndef CONFIG_SCHEDULE_L1
SCHED_TEXT
#endif
LOCK_TEXT
KPROBES_TEXT
*(.text.*)
*(.fixup)
#if !L1_CODE_LENGTH
*(.l1.text)
#endif
. = ALIGN(16);
___start___ex_table = .;
*(__ex_table)
___stop___ex_table = .;
__etext = .;
}
NOTES
/* Just in case the first read only is a 32-bit access */
RO_DATA(4)
.bss :
{
. = ALIGN(4);
___bss_start = .;
*(.bss .bss.*)
*(COMMON)
#if !L1_DATA_A_LENGTH
*(.l1.bss)
#endif
#if !L1_DATA_B_LENGTH
*(.l1.bss.B)
#endif
. = ALIGN(4);
___bss_stop = .;
}
.data :
{
__sdata = .;
/* This gets done first, so the glob doesn't suck it in */
. = ALIGN(32);
*(.data.cacheline_aligned)
#if !L1_DATA_A_LENGTH
. = ALIGN(32);
*(.data_l1.cacheline_aligned)
*(.l1.data)
#endif
#if !L1_DATA_B_LENGTH
*(.l1.data.B)
#endif
#if !L2_LENGTH
. = ALIGN(32);
*(.data_l2.cacheline_aligned)
*(.l2.data)
#endif
DATA_DATA
CONSTRUCTORS
/* make sure the init_task is aligned to the
* kernel thread size so we can locate the kernel
* stack properly and quickly.
*/
. = ALIGN(THREAD_SIZE);
*(.init_task.data)
__edata = .;
}
/* The init section should be last, so when we free it, it goes into
* the general memory pool, and (hopefully) will decrease fragmentation
* a tiny bit. The init section has a _requirement_ that it be
* PAGE_SIZE aligned
*/
. = ALIGN(PAGE_SIZE);
___init_begin = .;
.init.text :
{
. = ALIGN(PAGE_SIZE);
__sinittext = .;
INIT_TEXT
__einittext = .;
}
.init.data :
{
. = ALIGN(16);
INIT_DATA
}
.init.setup :
{
. = ALIGN(16);
___setup_start = .;
*(.init.setup)
___setup_end = .;
}
.initcall.init :
{
___initcall_start = .;
INITCALLS
___initcall_end = .;
}
.con_initcall.init :
{
___con_initcall_start = .;
*(.con_initcall.init)
___con_initcall_end = .;
}
PERCPU(4)
SECURITY_INIT
/* we have to discard exit text and such at runtime, not link time, to
* handle embedded cross-section references (alt instructions, bug
* table, eh_frame, etc...)
*/
.exit.text :
{
EXIT_TEXT
}
.exit.data :
{
EXIT_DATA
}
.init.ramfs :
{
. = ALIGN(4);
___initramfs_start = .;
*(.init.ramfs)
. = ALIGN(4);
___initramfs_end = .;
}
__l1_lma_start = .;
.text_l1 L1_CODE_START : AT(LOADADDR(.init.ramfs) + SIZEOF(.init.ramfs))
{
. = ALIGN(4);
__stext_l1 = .;
*(.l1.text)
#ifdef CONFIG_SCHEDULE_L1
SCHED_TEXT
#endif
. = ALIGN(4);
__etext_l1 = .;
}
ASSERT (SIZEOF(.text_l1) <= L1_CODE_LENGTH, "L1 text overflow!")
.data_l1 L1_DATA_A_START : AT(LOADADDR(.text_l1) + SIZEOF(.text_l1))
{
. = ALIGN(4);
__sdata_l1 = .;
*(.l1.data)
__edata_l1 = .;
. = ALIGN(32);
*(.data_l1.cacheline_aligned)
. = ALIGN(4);
__sbss_l1 = .;
*(.l1.bss)
. = ALIGN(4);
__ebss_l1 = .;
}
ASSERT (SIZEOF(.data_a_l1) <= L1_DATA_A_LENGTH, "L1 data A overflow!")
.data_b_l1 L1_DATA_B_START : AT(LOADADDR(.data_l1) + SIZEOF(.data_l1))
{
. = ALIGN(4);
__sdata_b_l1 = .;
*(.l1.data.B)
__edata_b_l1 = .;
. = ALIGN(4);
__sbss_b_l1 = .;
*(.l1.bss.B)
. = ALIGN(4);
__ebss_b_l1 = .;
}
ASSERT (SIZEOF(.data_b_l1) <= L1_DATA_B_LENGTH, "L1 data B overflow!")
__l2_lma_start = LOADADDR(.data_b_l1) + SIZEOF(.data_b_l1);
.text_data_l2 L2_START : AT(LOADADDR(.data_b_l1) + SIZEOF(.data_b_l1))
{
. = ALIGN(4);
__stext_l2 = .;
*(.l2.text)
. = ALIGN(4);
__etext_l2 = .;
. = ALIGN(4);
__sdata_l2 = .;
*(.l2.data)
__edata_l2 = .;
. = ALIGN(32);
*(.data_l2.cacheline_aligned)
. = ALIGN(4);
__sbss_l2 = .;
*(.l2.bss)
. = ALIGN(4);
__ebss_l2 = .;
}
ASSERT (SIZEOF(.text_data_l1) <= L2_LENGTH, "L2 overflow!")
/* Force trailing alignment of our init section so that when we
* free our init memory, we don't leave behind a partial page.
*/
. = LOADADDR(.text_data_l2) + SIZEOF(.text_data_l2);
. = ALIGN(PAGE_SIZE);
___init_end = .;
__end =.;
STABS_DEBUG
DWARF_DEBUG
/DISCARD/ :
{
*(.exitcall.exit)
}
}
|
