a5f50ef9e4
place. This moves the dependency on GCC's and other compiler's features into the central sys/cdefs.h file, while the individual source files can then refer to #ifdef __COMPILER_FEATURE_FOO where they by now used to refer to #if __GNUC__ > 3.1415 && __BARC__ <= 42. By now, GCC and ICC (the Intel compiler) have been actively tested on IA32 platforms by netchild. Extension to other compilers is supposed to be possible, of course. Submitted by: netchild Reviewed by: various developers on arch@, some time ago
210 lines
7.0 KiB
C
210 lines
7.0 KiB
C
/*
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* Copyright (c) 1999, Stefan Esser <se@freebsd.org>
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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 unmodified, this list of conditions, and the following
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* disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*
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*/
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#ifndef _ARCFUNCS_H
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#define _ARCFUNCS_H
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#ifndef _SYS_CDEFS_H_
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#error this file needs sys/cdefs.h as a prerequisite
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#endif
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#ifdef __CC_SUPPORTS_INLINE
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#define INLINE inline
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#else
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#define INLINE /**/
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#endif
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/* System Parameter Block holding ARC and VENDOR function vector addresses */
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#define SPBlock ((SPB *)0xffffffff806fe000ul)
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/*
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* Convert between 32bit (ARC) and 64bit (Alpha) pointers
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*/
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static INLINE void*
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ptr(arcptr p)
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{
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return (void*)(int64_t)p.adr;
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}
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static INLINE arcptr
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toarcptr(void *p)
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{
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arcptr p32;
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p32.adr = (int32_t)(int64_t) p;
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return (p32);
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}
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/*
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* Return entry point for ARC BIOS function "funcno"
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*/
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static INLINE void *
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get_arc_vector(int funcno)
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{
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arcptr (*arc_vector)[] = ptr(SPBlock->FirmwareVectorP);
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return ptr((*arc_vector)[funcno -1]);
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}
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/*
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* Return entry point for VENDOR function "funcno"
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*/
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static INLINE void *
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get_vendor_vector(int funcno)
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{
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arcptr (*arc_vector)[] = ptr(SPBlock->PrivateVectorP);
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return ptr((*arc_vector)[funcno -1]);
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}
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static INLINE int
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get_vendor_vector_length(void)
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{
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return SPBlock->PrivateVectorLength;
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}
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/*
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* Macros to create inline wrappers for ARCS BIOS functions
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*
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* Parameter:
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* num function number (starting at 1)
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* result result type
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* fn function name
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* param parameter list (types and formal args)
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* args parameter list (formal args only)
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*/
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#define ARC_FN(num,result,fn,param,args) \
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static inline result fn param { \
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typedef result _fn_t param; \
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_fn_t *p_ ## fn = get_arc_vector(num); \
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return p_ ## fn args; \
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}
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#define VND_FN(num,result,fn,param,args) \
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static INLINE result fn param { \
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typedef result _fn_t param; \
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_fn_t *p_ ## fn = get_vendor_vector(num); \
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return p_ ## fn args; \
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}
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/* function codes as defined in ARC Specification Version 1.2 */
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ARC_FN(1, int32_t, Load,
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(char *Path, u_int32_t TopAddr, u_int32_t *ExecAddr, u_int32_t *LowAddr),
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(Path, TopAddr, ExecAddr, LowAddr))
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ARC_FN(2, int32_t, Invoke,
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(u_int32_t ExecAddr, u_int32_t StackAddr, u_int32_t Argc, char *Argv[], char *Envp[]),
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(ExecAddr, StackAddr, Argc, Argv, Envp))
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ARC_FN(3, int32_t, Execute,
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(char *Path, u_int32_t Argc, char *Argv[], char *Envp[]),
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(Path, Argc, Argv, Envp))
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ARC_FN(4, void, Halt, (void), ())
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ARC_FN(5, void, PowerDown, (void), ())
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ARC_FN(6, void, Restart, (void), ())
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ARC_FN(7, void, FwReboot, (void), ())
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ARC_FN(8, void, EnterInteractiveMode, (void), ())
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ARC_FN(10, CONFIGURATION_COMPONENT *, GetPeer,
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(CONFIGURATION_COMPONENT *Current),
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(Current))
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ARC_FN(11, CONFIGURATION_COMPONENT *, GetChild,
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(CONFIGURATION_COMPONENT *Current),
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(Current))
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ARC_FN(12, CONFIGURATION_COMPONENT *, GetParent,
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(CONFIGURATION_COMPONENT *Current),
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(Current))
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ARC_FN(13, CONFIGURATION_COMPONENT *, AddChild,
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(CONFIGURATION_COMPONENT *Current, CONFIGURATION_COMPONENT *Template,
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void *ConfigurationData),
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(Current, Template, ConfigurationData))
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ARC_FN(14, int32_t, DeleteComponent,
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(CONFIGURATION_COMPONENT *ComponentToDelete),
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(ComponentToDelete))
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ARC_FN(15, CONFIGURATION_COMPONENT *, GetComponent, (char *Path), (Path))
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ARC_FN(16, int32_t, GetConfigurationData,
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(void *ConfigurationData, CONFIGURATION_COMPONENT *Component),
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(ConfigurationData, Component))
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ARC_FN(17, int32_t, SaveConfiguration, (void), ())
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ARC_FN(18, SYSTEM_ID *, GetSystemId, (void), ())
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ARC_FN(19, MEMORY_DESCRIPTOR *, GetMemoryDescriptor,
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(MEMORY_DESCRIPTOR *Current),
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(Current))
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ARC_FN(21, TIME_FIELDS *, GetTime, (void), ())
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ARC_FN(22, u_int32_t, GetRelativeTime, (void), ())
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ARC_FN(23, int32_t, GetDirectoryEntry,
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(u_int32_t FileId, DIRECTORY_ENTRY *Buffer, u_int32_t Length, u_int32_t *Count),
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(FileId, Buffer, Length, Count))
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ARC_FN(24, int32_t, Open,
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(const char *Path, OPEN_MODE OpenMode, u_int32_t *FileId),
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(Path, OpenMode, FileId))
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ARC_FN(25, int32_t, Close, (u_int32_t FileId), (FileId))
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ARC_FN(26, int32_t, Read,
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(u_int32_t FileId, void *Buffer, u_int32_t N, u_int32_t *Count),
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(FileId, Buffer, N, Count))
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ARC_FN(27, int32_t, GetReadStatus, (u_int32_t FileId), (FileId))
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ARC_FN(28, int32_t, Write,
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(u_int32_t FileId, void const *Buffer, u_int32_t N, u_int32_t *Count),
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(FileId, Buffer, N, Count))
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ARC_FN(29, int32_t, Seek,
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(u_int32_t FileId, fpos_t *Position, SEEK_MODE SeekMode),
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(FileId, Position, SeekMode))
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ARC_FN(30, int32_t, Mount,
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(char *Path, MOUNT_OPERATION Operation),
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(Path, Operation))
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ARC_FN(31, char *, GetEnvironmentVariable, (char *Name), (Name))
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ARC_FN(32, int32_t, SetEnvironmentVariable,
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(char *Name, char *Value),
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(Name, Value))
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ARC_FN(33, int32_t, GetFileInformation,
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(u_int32_t FileId, FILE_INFORMATION *Information),
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(FileId, Information))
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ARC_FN(34, int32_t, SetFileInformation,
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(u_int32_t FileId, u_int32_t AttributeFlags, u_int32_t AttributeMask),
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(FileId, AttributeFlags, AttributeMask))
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ARC_FN(35, void, FlushAllCaches, (void), ())
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ARC_FN(36, int32_t, TestUnicodeCharacter,
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(u_int32_t FileId, WCHAR UnicodeCharacter),
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(FileId, UnicodeCharacter))
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ARC_FN(37, ARC_DISPLAY_STATUS *, GetDisplayStatus, (u_int32_t FileId), (FileId))
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/* Vendor specific function codes have not been verified beyond function 4 */
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VND_FN(1, void *, AllocatePool, (u_int32_t NumberOfBytes), (NumberOfBytes))
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VND_FN(2, void, StallExecution, (u_int32_t Microseconds), (Microseconds))
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VND_FN(3, u_int32_t, Print,
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(char *Format, int32_t Arg1, int32_t Arg2, int32_t Arg3),
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(Format, Arg1, Arg2, Arg3))
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VND_FN(4, void, ReturnExtendedSystemInformation,
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(EXTENDED_SYSTEM_INFORMATION *SystemInfo),
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(SystemInfo))
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#endif /* _ARGFUNCS_H */
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