diff options
Diffstat (limited to 'include/asm-arm26/thread_info.h')
-rw-r--r-- | include/asm-arm26/thread_info.h | 137 |
1 files changed, 0 insertions, 137 deletions
diff --git a/include/asm-arm26/thread_info.h b/include/asm-arm26/thread_info.h deleted file mode 100644 index f9b5c09b560f..000000000000 --- a/include/asm-arm26/thread_info.h +++ /dev/null | |||
@@ -1,137 +0,0 @@ | |||
1 | /* | ||
2 | * linux/include/asm-arm26/thread_info.h | ||
3 | * | ||
4 | * Copyright (C) 2002 Russell King. | ||
5 | * Copyright (C) 2003 Ian Molton. | ||
6 | * | ||
7 | * This program is free software; you can redistribute it and/or modify | ||
8 | * it under the terms of the GNU General Public License version 2 as | ||
9 | * published by the Free Software Foundation. | ||
10 | */ | ||
11 | #ifndef __ASM_ARM_THREAD_INFO_H | ||
12 | #define __ASM_ARM_THREAD_INFO_H | ||
13 | |||
14 | #ifdef __KERNEL__ | ||
15 | |||
16 | #ifndef __ASSEMBLY__ | ||
17 | |||
18 | struct task_struct; | ||
19 | struct exec_domain; | ||
20 | |||
21 | #include <linux/compiler.h> | ||
22 | #include <asm/fpstate.h> | ||
23 | #include <asm/ptrace.h> | ||
24 | #include <asm/types.h> | ||
25 | |||
26 | typedef unsigned long mm_segment_t; | ||
27 | |||
28 | struct cpu_context_save { | ||
29 | __u32 r4; | ||
30 | __u32 r5; | ||
31 | __u32 r6; | ||
32 | __u32 r7; | ||
33 | __u32 r8; | ||
34 | __u32 r9; | ||
35 | __u32 sl; | ||
36 | __u32 fp; | ||
37 | __u32 sp; | ||
38 | __u32 pc; | ||
39 | }; | ||
40 | |||
41 | /* | ||
42 | * low level task data that entry.S needs immediate access to. | ||
43 | * We assume cpu_context follows immedately after cpu_domain. | ||
44 | */ | ||
45 | struct thread_info { | ||
46 | unsigned long flags; /* low level flags */ | ||
47 | int preempt_count; /* 0 => preemptable, <0 => bug */ | ||
48 | mm_segment_t addr_limit; /* address limit */ | ||
49 | struct task_struct *task; /* main task structure */ | ||
50 | struct exec_domain *exec_domain; /* execution domain */ | ||
51 | __u32 cpu; /* cpu */ | ||
52 | struct cpu_context_save cpu_context; /* cpu context */ | ||
53 | struct restart_block restart_block; | ||
54 | union fp_state fpstate; | ||
55 | }; | ||
56 | |||
57 | #define INIT_THREAD_INFO(tsk) \ | ||
58 | { \ | ||
59 | .task &tsk, \ | ||
60 | .exec_domain &default_exec_domain, \ | ||
61 | .flags 0, \ | ||
62 | .preempt_count 0, \ | ||
63 | .addr_limit KERNEL_DS, \ | ||
64 | .restart_block = { \ | ||
65 | .fn = do_no_restart_syscall, \ | ||
66 | }, \ | ||
67 | } | ||
68 | |||
69 | #define init_thread_info (init_thread_union.thread_info) | ||
70 | #define init_stack (init_thread_union.stack) | ||
71 | |||
72 | /* | ||
73 | * how to get the thread information struct from C | ||
74 | */ | ||
75 | static inline struct thread_info *current_thread_info(void) __attribute_const__; | ||
76 | |||
77 | static inline struct thread_info *current_thread_info(void) | ||
78 | { | ||
79 | register unsigned long sp asm ("sp"); | ||
80 | return (struct thread_info *)(sp & ~0x1fff); | ||
81 | } | ||
82 | |||
83 | #define THREAD_SIZE PAGE_SIZE | ||
84 | #define task_pt_regs(task) ((struct pt_regs *)(task_stack_page(task) + THREAD_SIZE - 8) - 1) | ||
85 | |||
86 | extern struct thread_info *alloc_thread_info(struct task_struct *task); | ||
87 | extern void free_thread_info(struct thread_info *); | ||
88 | |||
89 | #define thread_saved_pc(tsk) \ | ||
90 | ((unsigned long)(pc_pointer(task_thread_info(tsk)->cpu_context.pc))) | ||
91 | #define thread_saved_fp(tsk) \ | ||
92 | ((unsigned long)(task_thread_info(tsk)->cpu_context.fp)) | ||
93 | |||
94 | #else /* !__ASSEMBLY__ */ | ||
95 | |||
96 | #define TI_FLAGS 0 | ||
97 | #define TI_PREEMPT 4 | ||
98 | #define TI_ADDR_LIMIT 8 | ||
99 | #define TI_TASK 12 | ||
100 | #define TI_EXEC_DOMAIN 16 | ||
101 | #define TI_CPU 20 | ||
102 | #define TI_CPU_SAVE 24 | ||
103 | #define TI_RESTART_BLOCK 28 | ||
104 | #define TI_FPSTATE 68 | ||
105 | |||
106 | #endif | ||
107 | |||
108 | #define PREEMPT_ACTIVE 0x04000000 | ||
109 | |||
110 | /* | ||
111 | * thread information flags: | ||
112 | * TIF_SYSCALL_TRACE - syscall trace active | ||
113 | * TIF_SIGPENDING - signal pending | ||
114 | * TIF_NEED_RESCHED - rescheduling necessary | ||
115 | * TIF_USEDFPU - FPU was used by this task this quantum (SMP) | ||
116 | * TIF_POLLING_NRFLAG - true if poll_idle() is polling TIF_NEED_RESCHED | ||
117 | */ | ||
118 | #define TIF_SIGPENDING 0 | ||
119 | #define TIF_NEED_RESCHED 1 | ||
120 | #define TIF_SYSCALL_TRACE 8 | ||
121 | #define TIF_USED_FPU 16 | ||
122 | #define TIF_POLLING_NRFLAG 17 | ||
123 | #define TIF_MEMDIE 18 | ||
124 | |||
125 | #define _TIF_SIGPENDING (1 << TIF_SIGPENDING) | ||
126 | #define _TIF_NEED_RESCHED (1 << TIF_NEED_RESCHED) | ||
127 | #define _TIF_SYSCALL_TRACE (1 << TIF_SYSCALL_TRACE) | ||
128 | #define _TIF_USED_FPU (1 << TIF_USED_FPU) | ||
129 | #define _TIF_POLLING_NRFLAG (1 << TIF_POLLING_NRFLAG) | ||
130 | |||
131 | /* | ||
132 | * Change these and you break ASM code in entry-common.S | ||
133 | */ | ||
134 | #define _TIF_WORK_MASK 0x000000ff | ||
135 | |||
136 | #endif /* __KERNEL__ */ | ||
137 | #endif /* __ASM_ARM_THREAD_INFO_H */ | ||