forked from Minki/linux
5cd82a6d58
Since the link sizes never change at runtime, push the calculation out to the linker script to save some useless calculation costs. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
219 lines
3.8 KiB
ArmAsm
219 lines
3.8 KiB
ArmAsm
/*
|
|
* Copyright 2004-2009 Analog Devices Inc.
|
|
*
|
|
* Licensed under the GPL-2 or later
|
|
*/
|
|
|
|
#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
|
|
IRQENTRY_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 */
|
|
CACHELINE_ALIGNED_DATA(32)
|
|
|
|
#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
|
|
|
|
INIT_TASK_DATA(THREAD_SIZE)
|
|
|
|
__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_SECTION(PAGE_SIZE)
|
|
. = ALIGN(16);
|
|
INIT_DATA_SECTION(16)
|
|
PERCPU(4)
|
|
|
|
/* 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
|
|
}
|
|
|
|
.text_l1 L1_CODE_START : AT(LOADADDR(.exit.data) + SIZEOF(.exit.data))
|
|
{
|
|
. = ALIGN(4);
|
|
__stext_l1 = .;
|
|
*(.l1.text)
|
|
#ifdef CONFIG_SCHEDULE_L1
|
|
SCHED_TEXT
|
|
#endif
|
|
. = ALIGN(4);
|
|
__etext_l1 = .;
|
|
}
|
|
__text_l1_lma = LOADADDR(.text_l1);
|
|
__text_l1_len = SIZEOF(.text_l1);
|
|
ASSERT (__text_l1_len <= L1_CODE_LENGTH, "L1 text overflow!")
|
|
|
|
.data_l1 L1_DATA_A_START : AT(__text_l1_lma + __text_l1_len)
|
|
{
|
|
. = ALIGN(4);
|
|
__sdata_l1 = .;
|
|
*(.l1.data)
|
|
__edata_l1 = .;
|
|
|
|
. = ALIGN(32);
|
|
*(.data_l1.cacheline_aligned)
|
|
|
|
. = ALIGN(4);
|
|
__sbss_l1 = .;
|
|
*(.l1.bss)
|
|
. = ALIGN(4);
|
|
__ebss_l1 = .;
|
|
}
|
|
__data_l1_lma = LOADADDR(.data_l1);
|
|
__data_l1_len = SIZEOF(.data_l1);
|
|
ASSERT (__data_l1_len <= L1_DATA_A_LENGTH, "L1 data A overflow!")
|
|
|
|
.data_b_l1 L1_DATA_B_START : AT(__data_l1_lma + __data_l1_len)
|
|
{
|
|
. = ALIGN(4);
|
|
__sdata_b_l1 = .;
|
|
*(.l1.data.B)
|
|
__edata_b_l1 = .;
|
|
|
|
. = ALIGN(4);
|
|
__sbss_b_l1 = .;
|
|
*(.l1.bss.B)
|
|
. = ALIGN(4);
|
|
__ebss_b_l1 = .;
|
|
}
|
|
__data_b_l1_lma = LOADADDR(.data_b_l1);
|
|
__data_b_l1_len = SIZEOF(.data_b_l1);
|
|
ASSERT (__data_b_l1_len <= L1_DATA_B_LENGTH, "L1 data B overflow!")
|
|
|
|
.text_data_l2 L2_START : AT(__data_b_l1_lma + __data_b_l1_len)
|
|
{
|
|
. = 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 = .;
|
|
}
|
|
__l2_lma = LOADADDR(.text_data_l2);
|
|
__l2_len = SIZEOF(.text_data_l2);
|
|
ASSERT (__l2_len <= 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.
|
|
*/
|
|
. = __l2_lma + __l2_len;
|
|
. = ALIGN(PAGE_SIZE);
|
|
___init_end = .;
|
|
|
|
__end =.;
|
|
|
|
STABS_DEBUG
|
|
|
|
DWARF_DEBUG
|
|
|
|
DISCARDS
|
|
}
|