forked from Minki/linux
a8357b0c95
Add 2010 copyright to all module headers and signons, including the Linux header. This affects virtually every file in the ACPICA core subsystem, iASL compiler, and all utilities. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
162 lines
5.0 KiB
C
162 lines
5.0 KiB
C
/******************************************************************************
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*
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* Name: aclinux.h - OS specific defines, etc. for Linux
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*
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*****************************************************************************/
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/*
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* Copyright (C) 2000 - 2010, Intel Corp.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions, and the following disclaimer,
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* without modification.
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* 2. Redistributions in binary form must reproduce at minimum a disclaimer
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* substantially similar to the "NO WARRANTY" disclaimer below
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* ("Disclaimer") and any redistribution must be conditioned upon
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* including a substantially similar Disclaimer requirement for further
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* binary redistribution.
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* 3. Neither the names of the above-listed copyright holders nor the names
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* of any contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* Alternatively, this software may be distributed under the terms of the
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* GNU General Public License ("GPL") version 2 as published by the Free
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* Software Foundation.
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*
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* NO WARRANTY
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGES.
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*/
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#ifndef __ACLINUX_H__
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#define __ACLINUX_H__
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/* Common (in-kernel/user-space) ACPICA configuration */
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#define ACPI_USE_SYSTEM_CLIBRARY
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#define ACPI_USE_DO_WHILE_0
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#define ACPI_MUTEX_TYPE ACPI_BINARY_SEMAPHORE
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#ifdef __KERNEL__
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#include <linux/string.h>
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/ctype.h>
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#include <linux/sched.h>
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#include <asm/system.h>
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#include <asm/atomic.h>
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#include <asm/div64.h>
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#include <asm/acpi.h>
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#include <linux/slab.h>
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#include <linux/spinlock_types.h>
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#include <asm/current.h>
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/* Host-dependent types and defines for in-kernel ACPICA */
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#define ACPI_MACHINE_WIDTH BITS_PER_LONG
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#define ACPI_EXPORT_SYMBOL(symbol) EXPORT_SYMBOL(symbol);
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#define strtoul simple_strtoul
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#define acpi_cache_t struct kmem_cache
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#define acpi_spinlock spinlock_t *
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#define acpi_cpu_flags unsigned long
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#define acpi_thread_id struct task_struct *
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#else /* !__KERNEL__ */
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#include <stdarg.h>
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#include <string.h>
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#include <stdlib.h>
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#include <ctype.h>
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#include <unistd.h>
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/* Host-dependent types and defines for user-space ACPICA */
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#define ACPI_FLUSH_CPU_CACHE()
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#define acpi_thread_id pthread_t
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#if defined(__ia64__) || defined(__x86_64__)
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#define ACPI_MACHINE_WIDTH 64
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#define COMPILER_DEPENDENT_INT64 long
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#define COMPILER_DEPENDENT_UINT64 unsigned long
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#else
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#define ACPI_MACHINE_WIDTH 32
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#define COMPILER_DEPENDENT_INT64 long long
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#define COMPILER_DEPENDENT_UINT64 unsigned long long
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#define ACPI_USE_NATIVE_DIVIDE
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#endif
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#ifndef __cdecl
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#define __cdecl
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#endif
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#endif /* __KERNEL__ */
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/* Linux uses GCC */
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#include "acgcc.h"
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#ifdef __KERNEL__
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/*
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* Overrides for in-kernel ACPICA
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*/
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static inline acpi_thread_id acpi_os_get_thread_id(void)
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{
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return current;
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}
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/*
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* The irqs_disabled() check is for resume from RAM.
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* Interrupts are off during resume, just like they are for boot.
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* However, boot has (system_state != SYSTEM_RUNNING)
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* to quiet __might_sleep() in kmalloc() and resume does not.
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*/
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#include <acpi/actypes.h>
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static inline void *acpi_os_allocate(acpi_size size)
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{
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return kmalloc(size, irqs_disabled() ? GFP_ATOMIC : GFP_KERNEL);
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}
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static inline void *acpi_os_allocate_zeroed(acpi_size size)
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{
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return kzalloc(size, irqs_disabled() ? GFP_ATOMIC : GFP_KERNEL);
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}
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static inline void *acpi_os_acquire_object(acpi_cache_t * cache)
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{
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return kmem_cache_zalloc(cache,
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irqs_disabled() ? GFP_ATOMIC : GFP_KERNEL);
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}
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#define ACPI_ALLOCATE(a) acpi_os_allocate(a)
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#define ACPI_ALLOCATE_ZEROED(a) acpi_os_allocate_zeroed(a)
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#define ACPI_FREE(a) kfree(a)
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/* Used within ACPICA to show where it is safe to preempt execution */
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#include <linux/hardirq.h>
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#define ACPI_PREEMPTION_POINT() \
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do { \
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if (!in_atomic_preempt_off() && !irqs_disabled()) \
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cond_resched(); \
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} while (0)
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#endif /* __KERNEL__ */
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#endif /* __ACLINUX_H__ */
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