diff options
author | Michal Simek <monstr@monstr.eu> | 2010-03-05 09:34:12 -0500 |
---|---|---|
committer | Michal Simek <monstr@monstr.eu> | 2010-04-01 02:38:19 -0400 |
commit | 40db0834337ef0cde586feeb5588e45f0349098b (patch) | |
tree | cd5b0fe32e2416bb5a39591a479f904427d436ff /arch/microblaze/include/asm | |
parent | 4009819cf90c26e3ec7b0ed949d5ff37c568e197 (diff) |
microblaze: Remove segment.h
I would like to use asm-generic uaccess.h where are segment
macros defined. This is just first step.
Signed-off-by: Michal Simek <monstr@monstr.eu>
Diffstat (limited to 'arch/microblaze/include/asm')
-rw-r--r-- | arch/microblaze/include/asm/processor.h | 1 | ||||
-rw-r--r-- | arch/microblaze/include/asm/segment.h | 49 | ||||
-rw-r--r-- | arch/microblaze/include/asm/thread_info.h | 5 | ||||
-rw-r--r-- | arch/microblaze/include/asm/uaccess.h | 30 |
4 files changed, 33 insertions, 52 deletions
diff --git a/arch/microblaze/include/asm/processor.h b/arch/microblaze/include/asm/processor.h index 563c6b9453f0..8eeb09211ece 100644 --- a/arch/microblaze/include/asm/processor.h +++ b/arch/microblaze/include/asm/processor.h | |||
@@ -14,7 +14,6 @@ | |||
14 | #include <asm/ptrace.h> | 14 | #include <asm/ptrace.h> |
15 | #include <asm/setup.h> | 15 | #include <asm/setup.h> |
16 | #include <asm/registers.h> | 16 | #include <asm/registers.h> |
17 | #include <asm/segment.h> | ||
18 | #include <asm/entry.h> | 17 | #include <asm/entry.h> |
19 | #include <asm/current.h> | 18 | #include <asm/current.h> |
20 | 19 | ||
diff --git a/arch/microblaze/include/asm/segment.h b/arch/microblaze/include/asm/segment.h deleted file mode 100644 index 0e7102c3fb11..000000000000 --- a/arch/microblaze/include/asm/segment.h +++ /dev/null | |||
@@ -1,49 +0,0 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2008-2009 Michal Simek <monstr@monstr.eu> | ||
3 | * Copyright (C) 2008-2009 PetaLogix | ||
4 | * Copyright (C) 2006 Atmark Techno, Inc. | ||
5 | * | ||
6 | * This file is subject to the terms and conditions of the GNU General Public | ||
7 | * License. See the file "COPYING" in the main directory of this archive | ||
8 | * for more details. | ||
9 | */ | ||
10 | |||
11 | #ifndef _ASM_MICROBLAZE_SEGMENT_H | ||
12 | #define _ASM_MICROBLAZE_SEGMENT_H | ||
13 | |||
14 | # ifndef __ASSEMBLY__ | ||
15 | |||
16 | typedef struct { | ||
17 | unsigned long seg; | ||
18 | } mm_segment_t; | ||
19 | |||
20 | /* | ||
21 | * On Microblaze the fs value is actually the top of the corresponding | ||
22 | * address space. | ||
23 | * | ||
24 | * The fs value determines whether argument validity checking should be | ||
25 | * performed or not. If get_fs() == USER_DS, checking is performed, with | ||
26 | * get_fs() == KERNEL_DS, checking is bypassed. | ||
27 | * | ||
28 | * For historical reasons, these macros are grossly misnamed. | ||
29 | * | ||
30 | * For non-MMU arch like Microblaze, KERNEL_DS and USER_DS is equal. | ||
31 | */ | ||
32 | # define MAKE_MM_SEG(s) ((mm_segment_t) { (s) }) | ||
33 | |||
34 | # ifndef CONFIG_MMU | ||
35 | # define KERNEL_DS MAKE_MM_SEG(0) | ||
36 | # define USER_DS KERNEL_DS | ||
37 | # else | ||
38 | # define KERNEL_DS MAKE_MM_SEG(0xFFFFFFFF) | ||
39 | # define USER_DS MAKE_MM_SEG(TASK_SIZE - 1) | ||
40 | # endif | ||
41 | |||
42 | # define get_ds() (KERNEL_DS) | ||
43 | # define get_fs() (current_thread_info()->addr_limit) | ||
44 | # define set_fs(val) (current_thread_info()->addr_limit = (val)) | ||
45 | |||
46 | # define segment_eq(a, b) ((a).seg == (b).seg) | ||
47 | |||
48 | # endif /* __ASSEMBLY__ */ | ||
49 | #endif /* _ASM_MICROBLAZE_SEGMENT_H */ | ||
diff --git a/arch/microblaze/include/asm/thread_info.h b/arch/microblaze/include/asm/thread_info.h index 6e92885d381a..b2ca80f64640 100644 --- a/arch/microblaze/include/asm/thread_info.h +++ b/arch/microblaze/include/asm/thread_info.h | |||
@@ -19,7 +19,6 @@ | |||
19 | #ifndef __ASSEMBLY__ | 19 | #ifndef __ASSEMBLY__ |
20 | # include <linux/types.h> | 20 | # include <linux/types.h> |
21 | # include <asm/processor.h> | 21 | # include <asm/processor.h> |
22 | # include <asm/segment.h> | ||
23 | 22 | ||
24 | /* | 23 | /* |
25 | * low level task data that entry.S needs immediate access to | 24 | * low level task data that entry.S needs immediate access to |
@@ -60,6 +59,10 @@ struct cpu_context { | |||
60 | __u32 fsr; | 59 | __u32 fsr; |
61 | }; | 60 | }; |
62 | 61 | ||
62 | typedef struct { | ||
63 | unsigned long seg; | ||
64 | } mm_segment_t; | ||
65 | |||
63 | struct thread_info { | 66 | struct thread_info { |
64 | struct task_struct *task; /* main task structure */ | 67 | struct task_struct *task; /* main task structure */ |
65 | struct exec_domain *exec_domain; /* execution domain */ | 68 | struct exec_domain *exec_domain; /* execution domain */ |
diff --git a/arch/microblaze/include/asm/uaccess.h b/arch/microblaze/include/asm/uaccess.h index 371bd6e56d9a..a8f794d03c5f 100644 --- a/arch/microblaze/include/asm/uaccess.h +++ b/arch/microblaze/include/asm/uaccess.h | |||
@@ -22,12 +22,40 @@ | |||
22 | #include <asm/mmu.h> | 22 | #include <asm/mmu.h> |
23 | #include <asm/page.h> | 23 | #include <asm/page.h> |
24 | #include <asm/pgtable.h> | 24 | #include <asm/pgtable.h> |
25 | #include <asm/segment.h> | ||
26 | #include <linux/string.h> | 25 | #include <linux/string.h> |
27 | 26 | ||
28 | #define VERIFY_READ 0 | 27 | #define VERIFY_READ 0 |
29 | #define VERIFY_WRITE 1 | 28 | #define VERIFY_WRITE 1 |
30 | 29 | ||
30 | /* | ||
31 | * On Microblaze the fs value is actually the top of the corresponding | ||
32 | * address space. | ||
33 | * | ||
34 | * The fs value determines whether argument validity checking should be | ||
35 | * performed or not. If get_fs() == USER_DS, checking is performed, with | ||
36 | * get_fs() == KERNEL_DS, checking is bypassed. | ||
37 | * | ||
38 | * For historical reasons, these macros are grossly misnamed. | ||
39 | * | ||
40 | * For non-MMU arch like Microblaze, KERNEL_DS and USER_DS is equal. | ||
41 | */ | ||
42 | # define MAKE_MM_SEG(s) ((mm_segment_t) { (s) }) | ||
43 | |||
44 | # ifndef CONFIG_MMU | ||
45 | # define KERNEL_DS MAKE_MM_SEG(0) | ||
46 | # define USER_DS KERNEL_DS | ||
47 | # else | ||
48 | # define KERNEL_DS MAKE_MM_SEG(0xFFFFFFFF) | ||
49 | # define USER_DS MAKE_MM_SEG(TASK_SIZE - 1) | ||
50 | # endif | ||
51 | |||
52 | # define get_ds() (KERNEL_DS) | ||
53 | # define get_fs() (current_thread_info()->addr_limit) | ||
54 | # define set_fs(val) (current_thread_info()->addr_limit = (val)) | ||
55 | |||
56 | # define segment_eq(a, b) ((a).seg == (b).seg) | ||
57 | |||
58 | |||
31 | #define __clear_user(addr, n) (memset((void *)(addr), 0, (n)), 0) | 59 | #define __clear_user(addr, n) (memset((void *)(addr), 0, (n)), 0) |
32 | 60 | ||
33 | #ifndef CONFIG_MMU | 61 | #ifndef CONFIG_MMU |