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Diffstat (limited to 'include/asm-v850/thread_info.h')
-rw-r--r-- | include/asm-v850/thread_info.h | 129 |
1 files changed, 0 insertions, 129 deletions
diff --git a/include/asm-v850/thread_info.h b/include/asm-v850/thread_info.h deleted file mode 100644 index 1a9e6ae0c5fd..000000000000 --- a/include/asm-v850/thread_info.h +++ /dev/null | |||
@@ -1,129 +0,0 @@ | |||
1 | /* | ||
2 | * include/asm-v850/thread_info.h -- v850 low-level thread information | ||
3 | * | ||
4 | * Copyright (C) 2002 NEC Corporation | ||
5 | * Copyright (C) 2002 Miles Bader <miles@gnu.org> | ||
6 | * Copyright (C) 2002 David Howells (dhowells@redhat.com) | ||
7 | * - Incorporating suggestions made by Linus Torvalds and Dave Miller | ||
8 | * | ||
9 | * This file is subject to the terms and conditions of the GNU General | ||
10 | * Public License. See the file COPYING in the main directory of this | ||
11 | * archive for more details. | ||
12 | * | ||
13 | * This file was derived from the PPC version, include/asm-ppc/thread_info.h | ||
14 | * which was adapted from the i386 version by Paul Mackerras | ||
15 | */ | ||
16 | |||
17 | #ifndef __V850_THREAD_INFO_H__ | ||
18 | #define __V850_THREAD_INFO_H__ | ||
19 | |||
20 | #ifdef __KERNEL__ | ||
21 | |||
22 | #ifndef __ASSEMBLY__ | ||
23 | |||
24 | /* | ||
25 | * low level task data. | ||
26 | * If you change this, change the TI_* offsets below to match. | ||
27 | */ | ||
28 | struct thread_info { | ||
29 | struct task_struct *task; /* main task structure */ | ||
30 | struct exec_domain *exec_domain; /* execution domain */ | ||
31 | unsigned long flags; /* low level flags */ | ||
32 | int cpu; /* cpu we're on */ | ||
33 | int preempt_count; /* 0 => preemptable, | ||
34 | <0 => BUG */ | ||
35 | struct restart_block restart_block; | ||
36 | }; | ||
37 | |||
38 | #define INIT_THREAD_INFO(tsk) \ | ||
39 | { \ | ||
40 | .task = &tsk, \ | ||
41 | .exec_domain = &default_exec_domain, \ | ||
42 | .flags = 0, \ | ||
43 | .cpu = 0, \ | ||
44 | .preempt_count = 1, \ | ||
45 | .restart_block = { \ | ||
46 | .fn = do_no_restart_syscall, \ | ||
47 | }, \ | ||
48 | } | ||
49 | |||
50 | #define init_thread_info (init_thread_union.thread_info) | ||
51 | #define init_stack (init_thread_union.stack) | ||
52 | |||
53 | /* | ||
54 | * macros/functions for gaining access to the thread information structure | ||
55 | */ | ||
56 | |||
57 | /* thread information allocation */ | ||
58 | #define alloc_thread_info(tsk) ((struct thread_info *) \ | ||
59 | __get_free_pages(GFP_KERNEL, 1)) | ||
60 | #define free_thread_info(ti) free_pages((unsigned long) (ti), 1) | ||
61 | |||
62 | #endif /* __ASSEMBLY__ */ | ||
63 | |||
64 | |||
65 | /* | ||
66 | * Offsets in thread_info structure, used in assembly code | ||
67 | */ | ||
68 | #define TI_TASK 0 | ||
69 | #define TI_EXECDOMAIN 4 | ||
70 | #define TI_FLAGS 8 | ||
71 | #define TI_CPU 12 | ||
72 | #define TI_PREEMPT 16 | ||
73 | |||
74 | #define PREEMPT_ACTIVE 0x4000000 | ||
75 | |||
76 | /* | ||
77 | * thread information flag bit numbers | ||
78 | */ | ||
79 | #define TIF_SYSCALL_TRACE 0 /* syscall trace active */ | ||
80 | #define TIF_SIGPENDING 1 /* signal pending */ | ||
81 | #define TIF_NEED_RESCHED 2 /* rescheduling necessary */ | ||
82 | #define TIF_POLLING_NRFLAG 3 /* true if poll_idle() is polling | ||
83 | TIF_NEED_RESCHED */ | ||
84 | #define TIF_MEMDIE 4 | ||
85 | |||
86 | /* as above, but as bit values */ | ||
87 | #define _TIF_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE) | ||
88 | #define _TIF_SIGPENDING (1<<TIF_SIGPENDING) | ||
89 | #define _TIF_NEED_RESCHED (1<<TIF_NEED_RESCHED) | ||
90 | #define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG) | ||
91 | |||
92 | |||
93 | /* Size of kernel stack for each process. */ | ||
94 | #define THREAD_SIZE 0x2000 | ||
95 | |||
96 | /* The alignment of kernel threads, with thread_info structures at their | ||
97 | base. Thus, a pointer for a task's task structure can be derived from | ||
98 | its kernel stack pointer. */ | ||
99 | #define THREAD_ALIGNMENT THREAD_SIZE | ||
100 | #define THREAD_MASK (-THREAD_ALIGNMENT) | ||
101 | |||
102 | |||
103 | #ifdef __ASSEMBLY__ | ||
104 | |||
105 | /* Put a pointer to the current thread_info structure into REG. Note that | ||
106 | this definition requires THREAD_MASK to be representable as a signed | ||
107 | 16-bit value. */ | ||
108 | #define GET_CURRENT_THREAD(reg) \ | ||
109 | /* Use `addi' and then `and' instead of just `andi', because \ | ||
110 | `addi' sign-extends the immediate value, whereas `andi' \ | ||
111 | zero-extends it. */ \ | ||
112 | addi THREAD_MASK, r0, reg; \ | ||
113 | and sp, reg | ||
114 | |||
115 | #else | ||
116 | |||
117 | /* Return a pointer to the current thread_info structure. */ | ||
118 | static inline struct thread_info *current_thread_info (void) | ||
119 | { | ||
120 | register unsigned long sp __asm__ ("sp"); | ||
121 | return (struct thread_info *)(sp & THREAD_MASK); | ||
122 | } | ||
123 | |||
124 | #endif /* __ASSEMBLY__ */ | ||
125 | |||
126 | |||
127 | #endif /* __KERNEL__ */ | ||
128 | |||
129 | #endif /* __V850_THREAD_INFO_H__ */ | ||