1 /******************************************************************************
3 * Name: aclinux.h - OS specific defines, etc.
5 *****************************************************************************/
8 * Copyright (C) 2000 - 2006, R. Byron Moore
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47 #define ACPI_USE_SYSTEM_CLIBRARY
48 #define ACPI_USE_DO_WHILE_0
52 #include <linux/string.h>
53 #include <linux/kernel.h>
54 #include <linux/module.h>
55 #include <linux/ctype.h>
56 #include <asm/system.h>
57 #include <asm/atomic.h>
58 #include <asm/div64.h>
60 #include <linux/slab.h>
61 #include <linux/spinlock_types.h>
62 #include <asm/current.h>
64 /* Host-dependent types and defines */
66 #define ACPI_MACHINE_WIDTH BITS_PER_LONG
67 #define acpi_cache_t struct kmem_cache
68 #define acpi_spinlock spinlock_t *
69 #define ACPI_EXPORT_SYMBOL(symbol) EXPORT_SYMBOL(symbol);
70 #define strtoul simple_strtoul
72 /* Full namespace pathname length limit - arbitrary */
73 #define ACPI_PATHNAME_MAX 256
75 #else /* !__KERNEL__ */
83 #if defined(__ia64__) || defined(__x86_64__)
84 #define ACPI_MACHINE_WIDTH 64
85 #define COMPILER_DEPENDENT_INT64 long
86 #define COMPILER_DEPENDENT_UINT64 unsigned long
88 #define ACPI_MACHINE_WIDTH 32
89 #define COMPILER_DEPENDENT_INT64 long long
90 #define COMPILER_DEPENDENT_UINT64 unsigned long long
91 #define ACPI_USE_NATIVE_DIVIDE
95 #define ACPI_FLUSH_CPU_CACHE()
96 #endif /* __KERNEL__ */
102 #define acpi_cpu_flags unsigned long
104 #define acpi_thread_id struct task_struct *
106 static inline acpi_thread_id acpi_os_get_thread_id(void) { return current; }
109 * The irqs_disabled() check is for resume from RAM.
110 * Interrupts are off during resume, just like they are for boot.
111 * However, boot has (system_state != SYSTEM_RUNNING)
112 * to quiet __might_sleep() in kmalloc() and resume does not.
114 #include <acpi/actypes.h>
115 static inline void *acpi_os_allocate(acpi_size size) {
116 return kmalloc(size, irqs_disabled() ? GFP_ATOMIC : GFP_KERNEL);
118 static inline void *acpi_os_allocate_zeroed(acpi_size size) {
119 return kzalloc(size, irqs_disabled() ? GFP_ATOMIC : GFP_KERNEL);
122 static inline void *acpi_os_acquire_object(acpi_cache_t * cache) {
123 return kmem_cache_zalloc(cache, irqs_disabled() ? GFP_ATOMIC : GFP_KERNEL);
126 #define ACPI_ALLOCATE(a) acpi_os_allocate(a)
127 #define ACPI_ALLOCATE_ZEROED(a) acpi_os_allocate_zeroed(a)
128 #define ACPI_FREE(a) kfree(a)
130 #endif /* __ACLINUX_H__ */