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authorLinus Torvalds <torvalds@linux-foundation.org>2009-09-24 20:25:09 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2009-09-24 20:25:09 -0400
commit851b147e4411df6a1e7e90e2a609773c277eefd2 (patch)
tree3d3dd17a4e3ff0a6fd0c571d449085d411f7dc17 /arch/m32r/include/asm
parent8e44e4347735229b518cc02938c351428bcd7492 (diff)
parent85233c43f7fece10a3ea8ed34f0d546b8dd3a435 (diff)
Merge branch 'for-linus' of git://www.linux-m32r.org/git/takata/linux-2.6_dev
* 'for-linus' of git://www.linux-m32r.org/git/takata/linux-2.6_dev: m32r: Cleanup linker script using new linker script macros. m32r: Move the spi_stack_top and spu_stack_top into .init.data section. m32r: Remove unused .altinstructions and .exit.* code from linker script. m32r: Move GET_THREAD_INFO definition out of asm/thread_info.h. m32r: Define THREAD_SIZE only once. m32r: make PAGE_SIZE available to assembly.
Diffstat (limited to 'arch/m32r/include/asm')
-rw-r--r--arch/m32r/include/asm/page.h4
-rw-r--r--arch/m32r/include/asm/processor.h2
-rw-r--r--arch/m32r/include/asm/thread_info.h15
3 files changed, 5 insertions, 16 deletions
diff --git a/arch/m32r/include/asm/page.h b/arch/m32r/include/asm/page.h
index 11777f7a5628..725ede8f2889 100644
--- a/arch/m32r/include/asm/page.h
+++ b/arch/m32r/include/asm/page.h
@@ -1,9 +1,11 @@
1#ifndef _ASM_M32R_PAGE_H 1#ifndef _ASM_M32R_PAGE_H
2#define _ASM_M32R_PAGE_H 2#define _ASM_M32R_PAGE_H
3 3
4#include <linux/const.h>
5
4/* PAGE_SHIFT determines the page size */ 6/* PAGE_SHIFT determines the page size */
5#define PAGE_SHIFT 12 7#define PAGE_SHIFT 12
6#define PAGE_SIZE (1UL << PAGE_SHIFT) 8#define PAGE_SIZE (_AC(1, UL) << PAGE_SHIFT)
7#define PAGE_MASK (~(PAGE_SIZE-1)) 9#define PAGE_MASK (~(PAGE_SIZE-1))
8 10
9#ifndef __ASSEMBLY__ 11#ifndef __ASSEMBLY__
diff --git a/arch/m32r/include/asm/processor.h b/arch/m32r/include/asm/processor.h
index 1a997fc148a2..8397c249989b 100644
--- a/arch/m32r/include/asm/processor.h
+++ b/arch/m32r/include/asm/processor.h
@@ -140,8 +140,6 @@ unsigned long get_wchan(struct task_struct *p);
140#define KSTK_EIP(tsk) ((tsk)->thread.lr) 140#define KSTK_EIP(tsk) ((tsk)->thread.lr)
141#define KSTK_ESP(tsk) ((tsk)->thread.sp) 141#define KSTK_ESP(tsk) ((tsk)->thread.sp)
142 142
143#define THREAD_SIZE (2*PAGE_SIZE)
144
145#define cpu_relax() barrier() 143#define cpu_relax() barrier()
146 144
147#endif /* _ASM_M32R_PROCESSOR_H */ 145#endif /* _ASM_M32R_PROCESSOR_H */
diff --git a/arch/m32r/include/asm/thread_info.h b/arch/m32r/include/asm/thread_info.h
index 71578151a403..ed240b6e8e77 100644
--- a/arch/m32r/include/asm/thread_info.h
+++ b/arch/m32r/include/asm/thread_info.h
@@ -55,6 +55,8 @@ struct thread_info {
55 55
56#define PREEMPT_ACTIVE 0x10000000 56#define PREEMPT_ACTIVE 0x10000000
57 57
58#define THREAD_SIZE (PAGE_SIZE << 1)
59
58/* 60/*
59 * macros/functions for gaining access to the thread information structure 61 * macros/functions for gaining access to the thread information structure
60 */ 62 */
@@ -76,8 +78,6 @@ struct thread_info {
76#define init_thread_info (init_thread_union.thread_info) 78#define init_thread_info (init_thread_union.thread_info)
77#define init_stack (init_thread_union.stack) 79#define init_stack (init_thread_union.stack)
78 80
79#define THREAD_SIZE (2*PAGE_SIZE)
80
81/* how to get the thread information struct from C */ 81/* how to get the thread information struct from C */
82static inline struct thread_info *current_thread_info(void) 82static inline struct thread_info *current_thread_info(void)
83{ 83{
@@ -125,17 +125,6 @@ static inline unsigned int get_thread_fault_code(void)
125 return ti->flags >> TI_FLAG_FAULT_CODE_SHIFT; 125 return ti->flags >> TI_FLAG_FAULT_CODE_SHIFT;
126} 126}
127 127
128#else /* !__ASSEMBLY__ */
129
130#define THREAD_SIZE 8192
131
132/* how to get the thread information struct from ASM */
133#define GET_THREAD_INFO(reg) GET_THREAD_INFO reg
134 .macro GET_THREAD_INFO reg
135 ldi \reg, #-THREAD_SIZE
136 and \reg, sp
137 .endm
138
139#endif 128#endif
140 129
141/* 130/*