diff options
author | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-04-16 18:20:36 -0400 |
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committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-04-16 18:20:36 -0400 |
commit | 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (patch) | |
tree | 0bba044c4ce775e45a88a51686b5d9f90697ea9d /include/asm-parisc/thread_info.h |
Linux-2.6.12-rc2v2.6.12-rc2
Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.
Let it rip!
Diffstat (limited to 'include/asm-parisc/thread_info.h')
-rw-r--r-- | include/asm-parisc/thread_info.h | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/include/asm-parisc/thread_info.h b/include/asm-parisc/thread_info.h new file mode 100644 index 000000000000..fe9b7f8ae4c6 --- /dev/null +++ b/include/asm-parisc/thread_info.h | |||
@@ -0,0 +1,80 @@ | |||
1 | #ifndef _ASM_PARISC_THREAD_INFO_H | ||
2 | #define _ASM_PARISC_THREAD_INFO_H | ||
3 | |||
4 | #ifdef __KERNEL__ | ||
5 | |||
6 | #ifndef __ASSEMBLY__ | ||
7 | #include <asm/processor.h> | ||
8 | |||
9 | struct thread_info { | ||
10 | struct task_struct *task; /* main task structure */ | ||
11 | struct exec_domain *exec_domain;/* execution domain */ | ||
12 | unsigned long flags; /* thread_info flags (see TIF_*) */ | ||
13 | mm_segment_t addr_limit; /* user-level address space limit */ | ||
14 | __u32 cpu; /* current CPU */ | ||
15 | __s32 preempt_count; /* 0=premptable, <0=BUG; will also serve as bh-counter */ | ||
16 | struct restart_block restart_block; | ||
17 | }; | ||
18 | |||
19 | #define INIT_THREAD_INFO(tsk) \ | ||
20 | { \ | ||
21 | .task = &tsk, \ | ||
22 | .exec_domain = &default_exec_domain, \ | ||
23 | .flags = 0, \ | ||
24 | .cpu = 0, \ | ||
25 | .addr_limit = KERNEL_DS, \ | ||
26 | .preempt_count = 1, \ | ||
27 | .restart_block = { \ | ||
28 | .fn = do_no_restart_syscall \ | ||
29 | } \ | ||
30 | } | ||
31 | |||
32 | #define init_thread_info (init_thread_union.thread_info) | ||
33 | #define init_stack (init_thread_union.stack) | ||
34 | |||
35 | /* thread information allocation */ | ||
36 | |||
37 | #define THREAD_ORDER 2 | ||
38 | /* Be sure to hunt all references to this down when you change the size of | ||
39 | * the kernel stack */ | ||
40 | #define THREAD_SIZE (PAGE_SIZE << THREAD_ORDER) | ||
41 | #define THREAD_SHIFT (PAGE_SHIFT + THREAD_ORDER) | ||
42 | |||
43 | #define alloc_thread_info(tsk) ((struct thread_info *) \ | ||
44 | __get_free_pages(GFP_KERNEL, THREAD_ORDER)) | ||
45 | #define free_thread_info(ti) free_pages((unsigned long) (ti), THREAD_ORDER) | ||
46 | #define get_thread_info(ti) get_task_struct((ti)->task) | ||
47 | #define put_thread_info(ti) put_task_struct((ti)->task) | ||
48 | |||
49 | |||
50 | /* how to get the thread information struct from C */ | ||
51 | #define current_thread_info() ((struct thread_info *)mfctl(30)) | ||
52 | |||
53 | #endif /* !__ASSEMBLY */ | ||
54 | |||
55 | #define PREEMPT_ACTIVE 0x10000000 | ||
56 | |||
57 | /* | ||
58 | * thread information flags | ||
59 | */ | ||
60 | #define TIF_SYSCALL_TRACE 0 /* syscall trace active */ | ||
61 | #define TIF_NOTIFY_RESUME 1 /* resumption notification requested */ | ||
62 | #define TIF_SIGPENDING 2 /* signal pending */ | ||
63 | #define TIF_NEED_RESCHED 3 /* rescheduling necessary */ | ||
64 | #define TIF_POLLING_NRFLAG 4 /* true if poll_idle() is polling TIF_NEED_RESCHED */ | ||
65 | #define TIF_32BIT 5 /* 32 bit binary */ | ||
66 | #define TIF_MEMDIE 6 | ||
67 | |||
68 | #define _TIF_SYSCALL_TRACE (1 << TIF_SYSCALL_TRACE) | ||
69 | #define _TIF_NOTIFY_RESUME (1 << TIF_NOTIFY_RESUME) | ||
70 | #define _TIF_SIGPENDING (1 << TIF_SIGPENDING) | ||
71 | #define _TIF_NEED_RESCHED (1 << TIF_NEED_RESCHED) | ||
72 | #define _TIF_POLLING_NRFLAG (1 << TIF_POLLING_NRFLAG) | ||
73 | #define _TIF_32BIT (1 << TIF_32BIT) | ||
74 | |||
75 | #define _TIF_USER_WORK_MASK (_TIF_NOTIFY_RESUME | _TIF_SIGPENDING | \ | ||
76 | _TIF_NEED_RESCHED) | ||
77 | |||
78 | #endif /* __KERNEL__ */ | ||
79 | |||
80 | #endif /* _ASM_PARISC_THREAD_INFO_H */ | ||