debuggers.hg

view xen/include/acpi/platform/aclinux.h @ 0:7d21f7218375

Exact replica of unstable on 051908 + README-this
author Mukesh Rathor
date Mon May 19 15:34:57 2008 -0700 (2008-05-19)
parents
children 5c0bf00e371d
line source
1 /******************************************************************************
2 *
3 * Name: aclinux.h - OS specific defines, etc.
4 *
5 *****************************************************************************/
7 /*
8 * Copyright (C) 2000 - 2007, R. Byron Moore
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 */
44 #ifndef __ACLINUX_H__
45 #define __ACLINUX_H__
47 #define ACPI_USE_SYSTEM_CLIBRARY
48 #define ACPI_USE_DO_WHILE_0
50 #ifdef __XEN__
52 #include <xen/config.h>
53 #include <xen/string.h>
54 #include <xen/kernel.h>
55 #include <xen/ctype.h>
56 #include <xen/spinlock.h>
57 #include <asm/system.h>
58 #include <asm/atomic.h>
59 #include <asm/div64.h>
60 #include <asm/acpi.h>
61 #include <asm/current.h>
63 /* Host-dependent types and defines */
65 #define ACPI_MACHINE_WIDTH BITS_PER_LONG
66 #define acpi_cache_t void /*struct kmem_cache*/
67 #define acpi_spinlock spinlock_t *
68 #define ACPI_EXPORT_SYMBOL(symbol) EXPORT_SYMBOL(symbol);
69 #define strtoul simple_strtoul
71 /* Full namespace pathname length limit - arbitrary */
72 #define ACPI_PATHNAME_MAX 256
74 #else /* !__XEN__ */
76 #include <stdarg.h>
77 #include <string.h>
78 #include <stdlib.h>
79 #include <ctype.h>
80 #include <unistd.h>
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
93 #ifndef __cdecl
94 #define __cdecl
95 #endif
97 #define ACPI_FLUSH_CPU_CACHE()
98 #endif /* __XEN__ */
100 /* Linux uses GCC */
102 #include "acgcc.h"
104 #define acpi_cpu_flags unsigned long
106 #define acpi_thread_id struct vcpu *
108 static inline acpi_thread_id acpi_os_get_thread_id(void)
109 {
110 return current;
111 }
113 #if 0
114 /*
115 * The irqs_disabled() check is for resume from RAM.
116 * Interrupts are off during resume, just like they are for boot.
117 * However, boot has (system_state != SYSTEM_RUNNING)
118 * to quiet __might_sleep() in kmalloc() and resume does not.
119 */
120 #include <acpi/actypes.h>
121 static inline void *acpi_os_allocate(acpi_size size)
122 {
123 return kmalloc(size, irqs_disabled()? GFP_ATOMIC : GFP_KERNEL);
124 }
125 static inline void *acpi_os_allocate_zeroed(acpi_size size)
126 {
127 return kzalloc(size, irqs_disabled()? GFP_ATOMIC : GFP_KERNEL);
128 }
130 static inline void *acpi_os_acquire_object(acpi_cache_t * cache)
131 {
132 return kmem_cache_zalloc(cache,
133 irqs_disabled()? GFP_ATOMIC : GFP_KERNEL);
134 }
136 #define ACPI_ALLOCATE(a) acpi_os_allocate(a)
137 #define ACPI_ALLOCATE_ZEROED(a) acpi_os_allocate_zeroed(a)
138 #define ACPI_FREE(a) kfree(a)
139 #endif /* 0 */
141 #endif /* __ACLINUX_H__ */