07d8391433
There is a mis-order inclusion for <asm/acpi.h>.
As we will enforce including <linux/acpi.h> for all Linux ACPI users, we
can find the inclusion order is as follows:
<linux/acpi.h>
<acpi/acpi.h>
<acpi/platform/acenv.h>
(acenv.h before including aclinux.h)
<acpi/platform/aclinux.h>
...........................................................................
(aclinux.h before including asm/acpi.h)
<asm/acpi.h> @Redundant@
(ACPICA specific stuff)
...........................................................................
...........................................................................
(Linux ACPI specific stuff) ? - - - - - - - - - - - - +
(aclinux.h after including asm/acpi.h) @Invisible@ |
(acenv.h after including aclinux.h) @Invisible@ |
other ACPICA headers @Invisible@ |
............................................................|..............
<acpi/acpi_bus.h> |
<acpi/acpi_drivers.h> |
<asm/acpi.h> (Excluded) |
(Linux ACPI specific stuff) ! <- - - - - - - - - - - - - +
NOTE that, in ACPICA, <acpi/platform/acenv.h> is more like Kconfig
generated <generated/autoconf.h> for Linux, it is meant to be included
before including any ACPICA code.
In the above figure, there is a question mark for "Linux ACPI specific
stuff" in <asm/acpi.h> which should be included after including all other
ACPICA header files. Thus they really need to be moved to the position
marked with exclaimation mark or the definitions in the blocks marked with
"@Invisible@" will be invisible to such architecture specific "Linux ACPI
specific stuff" header blocks. This leaves 2 issues:
1. All environmental definitions in these blocks should have a copy in the
area marked with "@Redundant@" if they are required by the "Linux ACPI
specific stuff".
2. We cannot use any ACPICA defined types in <asm/acpi.h>.
This patch splits architecture specific ACPICA stuff from <asm/acpi.h> to
fix this issue.
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
199 lines
6.4 KiB
C
199 lines
6.4 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 - 2014, 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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#define ACPI_USE_SYSTEM_INTTYPES
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/* Compile for reduced hardware mode only with this kernel config */
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#ifdef CONFIG_ACPI_REDUCED_HARDWARE_ONLY
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#define ACPI_REDUCED_HARDWARE 1
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#endif
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#include <linux/string.h>
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#include <linux/kernel.h>
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#include <linux/ctype.h>
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#include <linux/sched.h>
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#include <linux/atomic.h>
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#include <linux/math64.h>
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#include <linux/slab.h>
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#include <linux/spinlock_types.h>
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#ifdef EXPORT_ACPI_INTERFACES
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#include <linux/export.h>
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#endif
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#include <asm/acenv.h>
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#ifndef CONFIG_ACPI
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/* External globals for __KERNEL__, stubs is needed */
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#define ACPI_GLOBAL(t,a)
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#define ACPI_INIT_GLOBAL(t,a,b)
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/* Generating stubs for configurable ACPICA macros */
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#define ACPI_NO_MEM_ALLOCATIONS
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/* Generating stubs for configurable ACPICA functions */
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#define ACPI_NO_ERROR_MESSAGES
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#undef ACPI_DEBUG_OUTPUT
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/* External interface for __KERNEL__, stub is needed */
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#define ACPI_EXTERNAL_RETURN_STATUS(prototype) \
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static ACPI_INLINE prototype {return(AE_NOT_CONFIGURED);}
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#define ACPI_EXTERNAL_RETURN_OK(prototype) \
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static ACPI_INLINE prototype {return(AE_OK);}
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#define ACPI_EXTERNAL_RETURN_VOID(prototype) \
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static ACPI_INLINE prototype {return;}
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#define ACPI_EXTERNAL_RETURN_UINT32(prototype) \
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static ACPI_INLINE prototype {return(0);}
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#define ACPI_EXTERNAL_RETURN_PTR(prototype) \
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static ACPI_INLINE prototype {return(NULL);}
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#endif /* CONFIG_ACPI */
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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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/* Use native linux version of acpi_os_allocate_zeroed */
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#define USE_NATIVE_ALLOCATE_ZEROED
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/*
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* Overrides for in-kernel ACPICA
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*/
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#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_initialize
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#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_terminate
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#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_allocate
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#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_allocate_zeroed
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#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_free
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#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_acquire_object
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#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_thread_id
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#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_create_lock
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#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_map_memory
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#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_unmap_memory
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/*
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* OSL interfaces used by debugger/disassembler
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*/
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#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_readable
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#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_writable
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/*
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* OSL interfaces used by utilities
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*/
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#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_redirect_output
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#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_line
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#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_table_by_name
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#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_table_by_index
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#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_table_by_address
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#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_open_directory
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#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_next_filename
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#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_close_directory
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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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/* Define/disable kernel-specific declarators */
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#ifndef __init
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#define __init
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#endif
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#ifndef __iomem
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#define __iomem
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#endif
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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_CAST_PTHREAD_T(pthread) ((acpi_thread_id) (pthread))
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#if defined(__ia64__) || defined(__x86_64__) ||\
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defined(__aarch64__) || defined(__PPC64__)
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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 <acpi/platform/acgcc.h>
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#endif /* __ACLINUX_H__ */
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