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1da177e4 LT |
1 | /****************************************************************************** |
2 | * | |
3 | * Name: aclinux.h - OS specific defines, etc. | |
4 | * | |
5 | *****************************************************************************/ | |
6 | ||
7 | /* | |
75a44ce0 | 8 | * Copyright (C) 2000 - 2008, Intel Corp. |
1da177e4 LT |
9 | * All rights reserved. |
10 | * | |
11 | * Redistribution and use in source and binary forms, with or without | |
12 | * modification, are permitted provided that the following conditions | |
13 | * are met: | |
14 | * 1. Redistributions of source code must retain the above copyright | |
15 | * notice, this list of conditions, and the following disclaimer, | |
16 | * without modification. | |
17 | * 2. Redistributions in binary form must reproduce at minimum a disclaimer | |
18 | * substantially similar to the "NO WARRANTY" disclaimer below | |
19 | * ("Disclaimer") and any redistribution must be conditioned upon | |
20 | * including a substantially similar Disclaimer requirement for further | |
21 | * binary redistribution. | |
22 | * 3. Neither the names of the above-listed copyright holders nor the names | |
23 | * of any contributors may be used to endorse or promote products derived | |
24 | * from this software without specific prior written permission. | |
25 | * | |
26 | * Alternatively, this software may be distributed under the terms of the | |
27 | * GNU General Public License ("GPL") version 2 as published by the Free | |
28 | * Software Foundation. | |
29 | * | |
30 | * NO WARRANTY | |
31 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
32 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
33 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR | |
34 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
35 | * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
36 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
37 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
38 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
39 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING | |
40 | * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
41 | * POSSIBILITY OF SUCH DAMAGES. | |
42 | */ | |
43 | ||
44 | #ifndef __ACLINUX_H__ | |
45 | #define __ACLINUX_H__ | |
46 | ||
47 | #define ACPI_USE_SYSTEM_CLIBRARY | |
48 | #define ACPI_USE_DO_WHILE_0 | |
1685bd40 | 49 | #define ACPI_MUTEX_TYPE ACPI_BINARY_SEMAPHORE |
1da177e4 LT |
50 | |
51 | #ifdef __KERNEL__ | |
52 | ||
1da177e4 LT |
53 | #include <linux/string.h> |
54 | #include <linux/kernel.h> | |
8313524a | 55 | #include <linux/module.h> |
1da177e4 | 56 | #include <linux/ctype.h> |
8bd108d1 | 57 | #include <linux/sched.h> |
1da177e4 LT |
58 | #include <asm/system.h> |
59 | #include <asm/atomic.h> | |
60 | #include <asm/div64.h> | |
61 | #include <asm/acpi.h> | |
8313524a | 62 | #include <linux/slab.h> |
967440e3 | 63 | #include <linux/spinlock_types.h> |
ab8aa06a | 64 | #include <asm/current.h> |
1da177e4 | 65 | |
8313524a | 66 | /* Host-dependent types and defines */ |
1da177e4 | 67 | |
8313524a | 68 | #define ACPI_MACHINE_WIDTH BITS_PER_LONG |
e18b890b | 69 | #define acpi_cache_t struct kmem_cache |
967440e3 | 70 | #define acpi_spinlock spinlock_t * |
8313524a BM |
71 | #define ACPI_EXPORT_SYMBOL(symbol) EXPORT_SYMBOL(symbol); |
72 | #define strtoul simple_strtoul | |
73459f73 | 73 | |
4be44fcd | 74 | #else /* !__KERNEL__ */ |
1da177e4 LT |
75 | |
76 | #include <stdarg.h> | |
77 | #include <string.h> | |
78 | #include <stdlib.h> | |
79 | #include <ctype.h> | |
80 | #include <unistd.h> | |
81 | ||
82 | #if defined(__ia64__) || defined(__x86_64__) | |
83 | #define ACPI_MACHINE_WIDTH 64 | |
84 | #define COMPILER_DEPENDENT_INT64 long | |
85 | #define COMPILER_DEPENDENT_UINT64 unsigned long | |
86 | #else | |
87 | #define ACPI_MACHINE_WIDTH 32 | |
88 | #define COMPILER_DEPENDENT_INT64 long long | |
89 | #define COMPILER_DEPENDENT_UINT64 unsigned long long | |
90 | #define ACPI_USE_NATIVE_DIVIDE | |
91 | #endif | |
92 | ||
a0a3f6c6 | 93 | #ifndef __cdecl |
1da177e4 | 94 | #define __cdecl |
a0a3f6c6 BM |
95 | #endif |
96 | ||
1da177e4 | 97 | #define ACPI_FLUSH_CPU_CACHE() |
4be44fcd | 98 | #endif /* __KERNEL__ */ |
1da177e4 LT |
99 | |
100 | /* Linux uses GCC */ | |
101 | ||
102 | #include "acgcc.h" | |
103 | ||
b8e4d893 BM |
104 | #define acpi_cpu_flags unsigned long |
105 | ||
ab8aa06a | 106 | #define acpi_thread_id struct task_struct * |
ec7381d6 | 107 | |
fd350943 LB |
108 | static inline acpi_thread_id acpi_os_get_thread_id(void) |
109 | { | |
110 | return current; | |
111 | } | |
ec7381d6 | 112 | |
e21c1ca3 LB |
113 | /* |
114 | * The irqs_disabled() check is for resume from RAM. | |
115 | * Interrupts are off during resume, just like they are for boot. | |
116 | * However, boot has (system_state != SYSTEM_RUNNING) | |
117 | * to quiet __might_sleep() in kmalloc() and resume does not. | |
118 | */ | |
119 | #include <acpi/actypes.h> | |
fd350943 LB |
120 | static inline void *acpi_os_allocate(acpi_size size) |
121 | { | |
122 | return kmalloc(size, irqs_disabled()? GFP_ATOMIC : GFP_KERNEL); | |
e21c1ca3 | 123 | } |
fd350943 LB |
124 | static inline void *acpi_os_allocate_zeroed(acpi_size size) |
125 | { | |
126 | return kzalloc(size, irqs_disabled()? GFP_ATOMIC : GFP_KERNEL); | |
e21c1ca3 LB |
127 | } |
128 | ||
fd350943 LB |
129 | static inline void *acpi_os_acquire_object(acpi_cache_t * cache) |
130 | { | |
131 | return kmem_cache_zalloc(cache, | |
132 | irqs_disabled()? GFP_ATOMIC : GFP_KERNEL); | |
e21c1ca3 LB |
133 | } |
134 | ||
135 | #define ACPI_ALLOCATE(a) acpi_os_allocate(a) | |
136 | #define ACPI_ALLOCATE_ZEROED(a) acpi_os_allocate_zeroed(a) | |
137 | #define ACPI_FREE(a) kfree(a) | |
138 | ||
8bd108d1 AS |
139 | /* |
140 | * We need to show where it is safe to preempt execution of ACPICA | |
141 | */ | |
abe1dfab WF |
142 | #define ACPI_PREEMPTION_POINT() \ |
143 | do { \ | |
144 | if (!irqs_disabled()) \ | |
145 | cond_resched(); \ | |
146 | } while (0) | |
8bd108d1 | 147 | |
4be44fcd | 148 | #endif /* __ACLINUX_H__ */ |