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[ARM] 5565/2: Use PAGE_SIZE and RO_DATA() in link script

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Update the link script for ARM to use PAGE_SIZE instead of hard-
coded 4096. Also the old RODATA macro is deprecated
for the RO_DATA(PAGE_SIZE) macro. As a consequence the PAGE_SIZE
was changed from (1UL << PAGE_SHIFT) to (_AC(1,UL) << PAGE_SHIFT)
because the linker does not understand the "UL" suffix to numeric
constants.

Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Linus Walleij 2009-06-24 23:38:56 +01:00 committed by Russell King
parent 7aa5514e71
commit f6430a938d
2 changed files with 9 additions and 8 deletions
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2
arch/arm/include/asm/page.h
View File

@ -12,7 +12,7 @@
/* PAGE_SHIFT determines the page size */
#define PAGE_SHIFT 12
#define PAGE_SIZE (1UL << PAGE_SHIFT)
#define PAGE_SIZE (_AC(1,UL) << PAGE_SHIFT)
#define PAGE_MASK (~(PAGE_SIZE-1))
#ifndef __ASSEMBLY__

15
arch/arm/kernel/vmlinux.lds.S
View File

@ -6,6 +6,7 @@
#include <asm-generic/vmlinux.lds.h>
#include <asm/thread_info.h>
#include <asm/memory.h>
#include <asm/page.h>
OUTPUT_ARCH(arm)
ENTRY(stext)
@ -63,7 +64,7 @@ SECTIONS
usr/built-in.o(.init.ramfs)
__initramfs_end = .;
#endif
. = ALIGN(4096);
. = ALIGN(PAGE_SIZE);
__per_cpu_load = .;
__per_cpu_start = .;
*(.data.percpu.page_aligned)
@ -73,7 +74,7 @@ SECTIONS
#ifndef CONFIG_XIP_KERNEL
__init_begin = _stext;
INIT_DATA
. = ALIGN(4096);
. = ALIGN(PAGE_SIZE);
__init_end = .;
#endif
}
@ -118,7 +119,7 @@ SECTIONS
*(.got) /* Global offset table */
}
RODATA
RO_DATA(PAGE_SIZE)
_etext = .; /* End of text and rodata section */
@ -158,17 +159,17 @@ SECTIONS
*(.data.init_task)
#ifdef CONFIG_XIP_KERNEL
. = ALIGN(4096);
. = ALIGN(PAGE_SIZE);
__init_begin = .;
INIT_DATA
. = ALIGN(4096);
. = ALIGN(PAGE_SIZE);
__init_end = .;
#endif
. = ALIGN(4096);
. = ALIGN(PAGE_SIZE);
__nosave_begin = .;
*(.data.nosave)
. = ALIGN(4096);
. = ALIGN(PAGE_SIZE);
__nosave_end = .;
/*