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Merge branch 'for-linus' of git://gitserver.sunplusct.com/linux-2.6-score 

* 'for-linus' of git://gitserver.sunplusct.com/linux-2.6-score:
  score: update email address in MAINTAINERS.
  score: Cleanup linker script using new macros.
  score: Make THREAD_SIZE available to assembly files.
  score: Make PAGE_SIZE available to assembly.
This commit is contained in:
Linus Torvalds 2009-09-23 08:32:05 -07:00
parent 547ad5ac66 7e48386561
commit a6e995ad74
4 changed files with 21 additions and 76 deletions
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2
MAINTAINERS
View File

@ -4465,7 +4465,7 @@ SCORE ARCHITECTURE
P: Chen Liqin
M: liqin.chen@sunplusct.com
P: Lennox Wu
M: lennox.wu@sunplusct.com
M: lennox.wu@gmail.com
W: http://www.sunplusct.com
S: Supported

3
arch/score/include/asm/page.h
View File

@ -2,10 +2,11 @@
#define _ASM_SCORE_PAGE_H
#include <linux/pfn.h>
#include <linux/const.h>
/* 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))
#ifdef __KERNEL__

15
arch/score/include/asm/thread_info.h
View File

@ -7,6 +7,15 @@
#define KU_USER 0x08
#define KU_KERN 0x00
#include <asm/page.h>
#include <linux/const.h>
/* thread information allocation */
#define THREAD_SIZE_ORDER (1)
#define THREAD_SIZE (PAGE_SIZE << THREAD_SIZE_ORDER)
#define THREAD_MASK (THREAD_SIZE - _AC(1,UL))
#define __HAVE_ARCH_THREAD_INFO_ALLOCATOR
#ifndef __ASSEMBLY__
#include <asm/processor.h>
@ -62,12 +71,6 @@ struct thread_info {
register struct thread_info *__current_thread_info __asm__("r28");
#define current_thread_info() __current_thread_info
/* thread information allocation */
#define THREAD_SIZE_ORDER (1)
#define THREAD_SIZE (PAGE_SIZE << THREAD_SIZE_ORDER)
#define THREAD_MASK (THREAD_SIZE - 1UL)
#define __HAVE_ARCH_THREAD_INFO_ALLOCATOR
#define alloc_thread_info(tsk) kmalloc(THREAD_SIZE, GFP_KERNEL)
#define free_thread_info(info) kfree(info)

77
arch/score/kernel/vmlinux.lds.S
View File

@ -24,6 +24,8 @@
*/
#include <asm-generic/vmlinux.lds.h>
#include <asm/thread_info.h>
#include <asm/page.h>
OUTPUT_ARCH(score)
ENTRY(_stext)
@ -49,21 +51,9 @@ SECTIONS
. = ALIGN(16);
RODATA
/* Exception table */
. = ALIGN(16);
__ex_table : {
__start___ex_table = .;
*(__ex_table)
__stop___ex_table = .;
}
EXCEPTION_TABLE(16)
/* writeable */
.data ALIGN (4096): {
*(.data.init_task)
DATA_DATA
CONSTRUCTORS
}
RW_DATA_SECTION(32, PAGE_SIZE, THREAD_SIZE)
/* We want the small data sections together, so single-instruction offsets
can access them all, and initialized data all before uninitialized, so
@ -72,45 +62,14 @@ SECTIONS
.sdata : {
*(.sdata)
}
. = ALIGN(32);
.data.cacheline_aligned : {
*(.data.cacheline_aligned)
}
_edata = .; /* End of data section */
/* will be freed after init */
. = ALIGN(4096); /* Init code and data */
. = ALIGN(PAGE_SIZE); /* Init code and data */
__init_begin = .;
. = ALIGN(4096);
.init.text : {
_sinittext = .;
INIT_TEXT
_einittext = .;
}
.init.data : {
INIT_DATA
}
. = ALIGN(16);
.init.setup : {
__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 = .;
}
SECURITY_INIT
INIT_TEXT_SECTION(PAGE_SIZE)
INIT_DATA_SECTION(16)
/* .exit.text is discarded at runtime, not link time, to deal with
* references from .rodata
@ -121,28 +80,10 @@ SECTIONS
.exit.data : {
EXIT_DATA
}
#if defined(CONFIG_BLK_DEV_INITRD)
.init.ramfs ALIGN(4096): {
__initramfs_start = .;
*(.init.ramfs)
__initramfs_end = .;
. = ALIGN(4);
LONG(0);
}
#endif
. = ALIGN(4096);
. = ALIGN(PAGE_SIZE);
__init_end = .;
/* freed after init ends here */
__bss_start = .; /* BSS */
.sbss : {
*(.sbss)
*(.scommon)
}
.bss : {
*(.bss)
*(COMMON)
}
__bss_stop = .;
BSS_SECTION(0, 0, 0)
_end = .;
}