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linux-next/arch/sh/kernel/vmlinux.lds.S
Simon Horman e66ac3f26a sh: kexec: Add PHYSICAL_START
Add PHYSICAL_START kernel configuration parameter to set the address at
which the kernel should be loaded.

It has been observed on an sh7757lcr that simply modifying MEMORY_START
does not achieve this goal for 32bit sh. This is due to MEMORY_OFFSET in
arch/sh/kernel/vmlinux.lds.S bot being based on MEMORY_START on such
systems.

Signed-off-by: Simon Horman <horms@verge.net.au>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2011-10-28 15:03:43 +09:00

89 lines
1.7 KiB
ArmAsm

/*
* ld script to make SuperH Linux kernel
* Written by Niibe Yutaka and Paul Mundt
*/
#ifdef CONFIG_SUPERH64
#define LOAD_OFFSET PAGE_OFFSET
OUTPUT_ARCH(sh:sh5)
#else
#define LOAD_OFFSET 0
OUTPUT_ARCH(sh)
#endif
#include <asm/thread_info.h>
#include <asm/cache.h>
#include <asm/vmlinux.lds.h>
#ifdef CONFIG_PMB
#define MEMORY_OFFSET 0
#else
#define MEMORY_OFFSET __MEMORY_START
#endif
ENTRY(_start)
SECTIONS
{
. = PAGE_OFFSET + MEMORY_OFFSET + PHYSICAL_OFFSET + CONFIG_ZERO_PAGE_OFFSET;
_text = .; /* Text and read-only data */
.empty_zero_page : AT(ADDR(.empty_zero_page) - LOAD_OFFSET) {
*(.empty_zero_page)
} = 0
.text : AT(ADDR(.text) - LOAD_OFFSET) {
HEAD_TEXT
TEXT_TEXT
EXTRA_TEXT
SCHED_TEXT
LOCK_TEXT
KPROBES_TEXT
IRQENTRY_TEXT
*(.fixup)
*(.gnu.warning)
_etext = .; /* End of text section */
} = 0x0009
EXCEPTION_TABLE(16)
NOTES
_sdata = .;
RO_DATA(PAGE_SIZE)
RW_DATA_SECTION(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE)
_edata = .;
DWARF_EH_FRAME
. = ALIGN(PAGE_SIZE); /* Init code and data */
__init_begin = .;
INIT_TEXT_SECTION(PAGE_SIZE)
INIT_DATA_SECTION(16)
. = ALIGN(4);
.machvec.init : AT(ADDR(.machvec.init) - LOAD_OFFSET) {
__machvec_start = .;
*(.machvec.init)
__machvec_end = .;
}
PERCPU_SECTION(L1_CACHE_BYTES)
/*
* .exit.text is discarded at runtime, not link time, to deal with
* references from __bug_table
*/
.exit.text : AT(ADDR(.exit.text) - LOAD_OFFSET) { EXIT_TEXT }
.exit.data : AT(ADDR(.exit.data) - LOAD_OFFSET) { EXIT_DATA }
. = ALIGN(PAGE_SIZE);
__init_end = .;
BSS_SECTION(0, PAGE_SIZE, 4)
_ebss = .; /* uClinux MTD sucks */
_end = . ;
STABS_DEBUG
DWARF_DEBUG
DISCARDS
}