diff options
Diffstat (limited to 'include/asm-frv/thread_info.h')
-rw-r--r-- | include/asm-frv/thread_info.h | 144 |
1 files changed, 0 insertions, 144 deletions
diff --git a/include/asm-frv/thread_info.h b/include/asm-frv/thread_info.h deleted file mode 100644 index bb53ab753ffb..000000000000 --- a/include/asm-frv/thread_info.h +++ /dev/null | |||
@@ -1,144 +0,0 @@ | |||
1 | /* thread_info.h: description | ||
2 | * | ||
3 | * Copyright (C) 2004 Red Hat, Inc. All Rights Reserved. | ||
4 | * Written by David Howells (dhowells@redhat.com) | ||
5 | * Derived from include/asm-i386/thread_info.h | ||
6 | * | ||
7 | * This program is free software; you can redistribute it and/or | ||
8 | * modify it under the terms of the GNU General Public License | ||
9 | * as published by the Free Software Foundation; either version | ||
10 | * 2 of the License, or (at your option) any later version. | ||
11 | */ | ||
12 | |||
13 | #ifndef _ASM_THREAD_INFO_H | ||
14 | #define _ASM_THREAD_INFO_H | ||
15 | |||
16 | #ifdef __KERNEL__ | ||
17 | |||
18 | #ifndef __ASSEMBLY__ | ||
19 | #include <asm/processor.h> | ||
20 | #endif | ||
21 | |||
22 | #define THREAD_SIZE 8192 | ||
23 | |||
24 | /* | ||
25 | * low level task data that entry.S needs immediate access to | ||
26 | * - this struct should fit entirely inside of one cache line | ||
27 | * - this struct shares the supervisor stack pages | ||
28 | * - if the contents of this structure are changed, the assembly constants must also be changed | ||
29 | */ | ||
30 | #ifndef __ASSEMBLY__ | ||
31 | |||
32 | struct thread_info { | ||
33 | struct task_struct *task; /* main task structure */ | ||
34 | struct exec_domain *exec_domain; /* execution domain */ | ||
35 | unsigned long flags; /* low level flags */ | ||
36 | unsigned long status; /* thread-synchronous flags */ | ||
37 | __u32 cpu; /* current CPU */ | ||
38 | int preempt_count; /* 0 => preemptable, <0 => BUG */ | ||
39 | |||
40 | mm_segment_t addr_limit; /* thread address space: | ||
41 | * 0-0xBFFFFFFF for user-thead | ||
42 | * 0-0xFFFFFFFF for kernel-thread | ||
43 | */ | ||
44 | struct restart_block restart_block; | ||
45 | |||
46 | __u8 supervisor_stack[0]; | ||
47 | }; | ||
48 | |||
49 | #else /* !__ASSEMBLY__ */ | ||
50 | |||
51 | #include <asm/asm-offsets.h> | ||
52 | |||
53 | #endif | ||
54 | |||
55 | #define PREEMPT_ACTIVE 0x10000000 | ||
56 | |||
57 | /* | ||
58 | * macros/functions for gaining access to the thread information structure | ||
59 | * | ||
60 | * preempt_count needs to be 1 initially, until the scheduler is functional. | ||
61 | */ | ||
62 | #ifndef __ASSEMBLY__ | ||
63 | |||
64 | #define INIT_THREAD_INFO(tsk) \ | ||
65 | { \ | ||
66 | .task = &tsk, \ | ||
67 | .exec_domain = &default_exec_domain, \ | ||
68 | .flags = 0, \ | ||
69 | .cpu = 0, \ | ||
70 | .preempt_count = 1, \ | ||
71 | .addr_limit = KERNEL_DS, \ | ||
72 | .restart_block = { \ | ||
73 | .fn = do_no_restart_syscall, \ | ||
74 | }, \ | ||
75 | } | ||
76 | |||
77 | #define init_thread_info (init_thread_union.thread_info) | ||
78 | #define init_stack (init_thread_union.stack) | ||
79 | |||
80 | /* how to get the thread information struct from C */ | ||
81 | register struct thread_info *__current_thread_info asm("gr15"); | ||
82 | |||
83 | #define current_thread_info() ({ __current_thread_info; }) | ||
84 | |||
85 | #define __HAVE_ARCH_THREAD_INFO_ALLOCATOR | ||
86 | |||
87 | /* thread information allocation */ | ||
88 | #ifdef CONFIG_DEBUG_STACK_USAGE | ||
89 | #define alloc_thread_info(tsk) \ | ||
90 | ({ \ | ||
91 | struct thread_info *ret; \ | ||
92 | \ | ||
93 | ret = kzalloc(THREAD_SIZE, GFP_KERNEL); \ | ||
94 | \ | ||
95 | ret; \ | ||
96 | }) | ||
97 | #else | ||
98 | #define alloc_thread_info(tsk) kmalloc(THREAD_SIZE, GFP_KERNEL) | ||
99 | #endif | ||
100 | |||
101 | #define free_thread_info(info) kfree(info) | ||
102 | |||
103 | #endif /* __ASSEMBLY__ */ | ||
104 | |||
105 | /* | ||
106 | * thread information flags | ||
107 | * - these are process state flags that various assembly files may need to access | ||
108 | * - pending work-to-be-done flags are in LSW | ||
109 | * - other flags in MSW | ||
110 | */ | ||
111 | #define TIF_SYSCALL_TRACE 0 /* syscall trace active */ | ||
112 | #define TIF_SIGPENDING 1 /* signal pending */ | ||
113 | #define TIF_NEED_RESCHED 2 /* rescheduling necessary */ | ||
114 | #define TIF_SINGLESTEP 3 /* restore singlestep on return to user mode */ | ||
115 | #define TIF_IRET 4 /* return with iret */ | ||
116 | #define TIF_RESTORE_SIGMASK 5 /* restore signal mask in do_signal() */ | ||
117 | #define TIF_POLLING_NRFLAG 16 /* true if poll_idle() is polling TIF_NEED_RESCHED */ | ||
118 | #define TIF_MEMDIE 17 /* OOM killer killed process */ | ||
119 | #define TIF_FREEZE 18 /* freezing for suspend */ | ||
120 | |||
121 | #define _TIF_SYSCALL_TRACE (1 << TIF_SYSCALL_TRACE) | ||
122 | #define _TIF_SIGPENDING (1 << TIF_SIGPENDING) | ||
123 | #define _TIF_NEED_RESCHED (1 << TIF_NEED_RESCHED) | ||
124 | #define _TIF_SINGLESTEP (1 << TIF_SINGLESTEP) | ||
125 | #define _TIF_IRET (1 << TIF_IRET) | ||
126 | #define _TIF_RESTORE_SIGMASK (1 << TIF_RESTORE_SIGMASK) | ||
127 | #define _TIF_POLLING_NRFLAG (1 << TIF_POLLING_NRFLAG) | ||
128 | #define _TIF_FREEZE (1 << TIF_FREEZE) | ||
129 | |||
130 | #define _TIF_WORK_MASK 0x0000FFFE /* work to do on interrupt/exception return */ | ||
131 | #define _TIF_ALLWORK_MASK 0x0000FFFF /* work to do on any return to u-space */ | ||
132 | |||
133 | /* | ||
134 | * Thread-synchronous status. | ||
135 | * | ||
136 | * This is different from the flags in that nobody else | ||
137 | * ever touches our thread-synchronous status, so we don't | ||
138 | * have to worry about atomic accesses. | ||
139 | */ | ||
140 | #define TS_USEDFPM 0x0001 /* FPU/Media was used by this task this quantum (SMP) */ | ||
141 | |||
142 | #endif /* __KERNEL__ */ | ||
143 | |||
144 | #endif /* _ASM_THREAD_INFO_H */ | ||