diff options
author | David Howells <dhowells@redhat.com> | 2009-04-10 09:19:03 -0400 |
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committer | David Howells <dhowells@redhat.com> | 2009-04-10 09:19:03 -0400 |
commit | da7616610c8d2ec16a8ada44216e836e5fcbd08b (patch) | |
tree | ef3e8ccc7a01694c0ab0eeea387bc46a8807669e /include/asm-mn10300/fpu.h | |
parent | 62b8e680e61d3f48f2a12ee248ca03ea8f376926 (diff) |
Move arch headers from include/asm-mn10300/ to arch/mn10300/include/asm/.
Signed-off-by: David Howells <dhowells@redhat.com>
Diffstat (limited to 'include/asm-mn10300/fpu.h')
-rw-r--r-- | include/asm-mn10300/fpu.h | 85 |
1 files changed, 0 insertions, 85 deletions
diff --git a/include/asm-mn10300/fpu.h b/include/asm-mn10300/fpu.h deleted file mode 100644 index 64a2b83a7a6a..000000000000 --- a/include/asm-mn10300/fpu.h +++ /dev/null | |||
@@ -1,85 +0,0 @@ | |||
1 | /* MN10300 FPU definitions | ||
2 | * | ||
3 | * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. | ||
4 | * Written by David Howells (dhowells@redhat.com) | ||
5 | * Derived from include/asm-i386/i387.h: Copyright (C) 1994 Linus Torvalds | ||
6 | * | ||
7 | * This program is free software; you can redistribute it and/or | ||
8 | * modify it under the terms of the GNU General Public Licence | ||
9 | * as published by the Free Software Foundation; either version | ||
10 | * 2 of the Licence, or (at your option) any later version. | ||
11 | */ | ||
12 | #ifndef _ASM_FPU_H | ||
13 | #define _ASM_FPU_H | ||
14 | |||
15 | #include <asm/processor.h> | ||
16 | #include <asm/sigcontext.h> | ||
17 | #include <asm/user.h> | ||
18 | |||
19 | #ifdef __KERNEL__ | ||
20 | |||
21 | /* the task that owns the FPU state */ | ||
22 | extern struct task_struct *fpu_state_owner; | ||
23 | |||
24 | #define set_using_fpu(tsk) \ | ||
25 | do { \ | ||
26 | (tsk)->thread.fpu_flags |= THREAD_USING_FPU; \ | ||
27 | } while (0) | ||
28 | |||
29 | #define clear_using_fpu(tsk) \ | ||
30 | do { \ | ||
31 | (tsk)->thread.fpu_flags &= ~THREAD_USING_FPU; \ | ||
32 | } while (0) | ||
33 | |||
34 | #define is_using_fpu(tsk) ((tsk)->thread.fpu_flags & THREAD_USING_FPU) | ||
35 | |||
36 | #define unlazy_fpu(tsk) \ | ||
37 | do { \ | ||
38 | preempt_disable(); \ | ||
39 | if (fpu_state_owner == (tsk)) \ | ||
40 | fpu_save(&tsk->thread.fpu_state); \ | ||
41 | preempt_enable(); \ | ||
42 | } while (0) | ||
43 | |||
44 | #define exit_fpu() \ | ||
45 | do { \ | ||
46 | struct task_struct *__tsk = current; \ | ||
47 | preempt_disable(); \ | ||
48 | if (fpu_state_owner == __tsk) \ | ||
49 | fpu_state_owner = NULL; \ | ||
50 | preempt_enable(); \ | ||
51 | } while (0) | ||
52 | |||
53 | #define flush_fpu() \ | ||
54 | do { \ | ||
55 | struct task_struct *__tsk = current; \ | ||
56 | preempt_disable(); \ | ||
57 | if (fpu_state_owner == __tsk) { \ | ||
58 | fpu_state_owner = NULL; \ | ||
59 | __tsk->thread.uregs->epsw &= ~EPSW_FE; \ | ||
60 | } \ | ||
61 | preempt_enable(); \ | ||
62 | clear_using_fpu(__tsk); \ | ||
63 | } while (0) | ||
64 | |||
65 | extern asmlinkage void fpu_init_state(void); | ||
66 | extern asmlinkage void fpu_kill_state(struct task_struct *); | ||
67 | extern asmlinkage void fpu_disabled(struct pt_regs *, enum exception_code); | ||
68 | extern asmlinkage void fpu_exception(struct pt_regs *, enum exception_code); | ||
69 | |||
70 | #ifdef CONFIG_FPU | ||
71 | extern asmlinkage void fpu_save(struct fpu_state_struct *); | ||
72 | extern asmlinkage void fpu_restore(struct fpu_state_struct *); | ||
73 | #else | ||
74 | #define fpu_save(a) | ||
75 | #define fpu_restore(a) | ||
76 | #endif /* CONFIG_FPU */ | ||
77 | |||
78 | /* | ||
79 | * signal frame handlers | ||
80 | */ | ||
81 | extern int fpu_setup_sigcontext(struct fpucontext *buf); | ||
82 | extern int fpu_restore_sigcontext(struct fpucontext *buf); | ||
83 | |||
84 | #endif /* __KERNEL__ */ | ||
85 | #endif /* _ASM_FPU_H */ | ||