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/*
* Copyright (c) 1999, Stefan Esser <se@freebsd.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice unmodified, this list of conditions, and the following
* disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $FreeBSD$
*
*/
#if defined(__GNUC__) || defined(__INTEL_COMPILER)
#define INLINE inline
#else
#define INLINE /**/
#endif
/* System Parameter Block holding ARC and VENDOR function vector addresses */
#define SPBlock ((SPB *)0xffffffff806fe000ul)
/*
* Convert between 32bit (ARC) and 64bit (Alpha) pointers
*/
static INLINE void*
ptr(arcptr p)
{
return (void*)(int64_t)p.adr;
}
static INLINE arcptr
toarcptr(void *p)
{
arcptr p32;
p32.adr = (int32_t)(int64_t) p;
return (p32);
}
/*
* Return entry point for ARC BIOS function "funcno"
*/
static INLINE void *
get_arc_vector(int funcno)
{
arcptr (*arc_vector)[] = ptr(SPBlock->FirmwareVectorP);
return ptr((*arc_vector)[funcno -1]);
}
/*
* Return entry point for VENDOR function "funcno"
*/
static INLINE void *
get_vendor_vector(int funcno)
{
arcptr (*arc_vector)[] = ptr(SPBlock->PrivateVectorP);
return ptr((*arc_vector)[funcno -1]);
}
static INLINE int
get_vendor_vector_length(void)
{
return SPBlock->PrivateVectorLength;
}
/*
* Macros to create inline wrappers for ARCS BIOS functions
*
* Parameter:
* num function number (starting at 1)
* result result type
* fn function name
* param parameter list (types and formal args)
* args parameter list (formal args only)
*/
#define ARC_FN(num,result,fn,param,args) \
static inline result fn param { \
typedef result _fn_t param; \
_fn_t *p_ ## fn = get_arc_vector(num); \
return p_ ## fn args; \
}
#define VND_FN(num,result,fn,param,args) \
static INLINE result fn param { \
typedef result _fn_t param; \
_fn_t *p_ ## fn = get_vendor_vector(num); \
return p_ ## fn args; \
}
/* function codes as defined in ARC Specification Version 1.2 */
ARC_FN(1, int32_t, Load,
(char *Path, u_int32_t TopAddr, u_int32_t *ExecAddr, u_int32_t *LowAddr),
(Path, TopAddr, ExecAddr, LowAddr))
ARC_FN(2, int32_t, Invoke,
(u_int32_t ExecAddr, u_int32_t StackAddr, u_int32_t Argc, char *Argv[], char *Envp[]),
(ExecAddr, StackAddr, Argc, Argv, Envp))
ARC_FN(3, int32_t, Execute,
(char *Path, u_int32_t Argc, char *Argv[], char *Envp[]),
(Path, Argc, Argv, Envp))
ARC_FN(4, void, Halt, (void), ())
ARC_FN(5, void, PowerDown, (void), ())
ARC_FN(6, void, Restart, (void), ())
ARC_FN(7, void, FwReboot, (void), ())
ARC_FN(8, void, EnterInteractiveMode, (void), ())
ARC_FN(10, CONFIGURATION_COMPONENT *, GetPeer,
(CONFIGURATION_COMPONENT *Current),
(Current))
ARC_FN(11, CONFIGURATION_COMPONENT *, GetChild,
(CONFIGURATION_COMPONENT *Current),
(Current))
ARC_FN(12, CONFIGURATION_COMPONENT *, GetParent,
(CONFIGURATION_COMPONENT *Current),
(Current))
ARC_FN(13, CONFIGURATION_COMPONENT *, AddChild,
(CONFIGURATION_COMPONENT *Current, CONFIGURATION_COMPONENT *Template,
void *ConfigurationData),
(Current, Template, ConfigurationData))
ARC_FN(14, int32_t, DeleteComponent,
(CONFIGURATION_COMPONENT *ComponentToDelete),
(ComponentToDelete))
ARC_FN(15, CONFIGURATION_COMPONENT *, GetComponent, (char *Path), (Path))
ARC_FN(16, int32_t, GetConfigurationData,
(void *ConfigurationData, CONFIGURATION_COMPONENT *Component),
(ConfigurationData, Component))
ARC_FN(17, int32_t, SaveConfiguration, (void), ())
ARC_FN(18, SYSTEM_ID *, GetSystemId, (void), ())
ARC_FN(19, MEMORY_DESCRIPTOR *, GetMemoryDescriptor,
(MEMORY_DESCRIPTOR *Current),
(Current))
ARC_FN(21, TIME_FIELDS *, GetTime, (void), ())
ARC_FN(22, u_int32_t, GetRelativeTime, (void), ())
ARC_FN(23, int32_t, GetDirectoryEntry,
(u_int32_t FileId, DIRECTORY_ENTRY *Buffer, u_int32_t Length, u_int32_t *Count),
(FileId, Buffer, Length, Count))
ARC_FN(24, int32_t, Open,
(const char *Path, OPEN_MODE OpenMode, u_int32_t *FileId),
(Path, OpenMode, FileId))
ARC_FN(25, int32_t, Close, (u_int32_t FileId), (FileId))
ARC_FN(26, int32_t, Read,
(u_int32_t FileId, void *Buffer, u_int32_t N, u_int32_t *Count),
(FileId, Buffer, N, Count))
ARC_FN(27, int32_t, GetReadStatus, (u_int32_t FileId), (FileId))
ARC_FN(28, int32_t, Write,
(u_int32_t FileId, void const *Buffer, u_int32_t N, u_int32_t *Count),
(FileId, Buffer, N, Count))
ARC_FN(29, int32_t, Seek,
(u_int32_t FileId, fpos_t *Position, SEEK_MODE SeekMode),
(FileId, Position, SeekMode))
ARC_FN(30, int32_t, Mount,
(char *Path, MOUNT_OPERATION Operation),
(Path, Operation))
ARC_FN(31, char *, GetEnvironmentVariable, (char *Name), (Name))
ARC_FN(32, int32_t, SetEnvironmentVariable,
(char *Name, char *Value),
(Name, Value))
ARC_FN(33, int32_t, GetFileInformation,
(u_int32_t FileId, FILE_INFORMATION *Information),
(FileId, Information))
ARC_FN(34, int32_t, SetFileInformation,
(u_int32_t FileId, u_int32_t AttributeFlags, u_int32_t AttributeMask),
(FileId, AttributeFlags, AttributeMask))
ARC_FN(35, void, FlushAllCaches, (void), ())
ARC_FN(36, int32_t, TestUnicodeCharacter,
(u_int32_t FileId, WCHAR UnicodeCharacter),
(FileId, UnicodeCharacter))
ARC_FN(37, ARC_DISPLAY_STATUS *, GetDisplayStatus, (u_int32_t FileId), (FileId))
/* Vendor specific function codes have not been verified beyond function 4 */
VND_FN(1, void *, AllocatePool, (u_int32_t NumberOfBytes), (NumberOfBytes))
VND_FN(2, void, StallExecution, (u_int32_t Microseconds), (Microseconds))
VND_FN(3, u_int32_t, Print,
(char *Format, int32_t Arg1, int32_t Arg2, int32_t Arg3),
(Format, Arg1, Arg2, Arg3))
VND_FN(4, void, ReturnExtendedSystemInformation,
(EXTENDED_SYSTEM_INFORMATION *SystemInfo),
(SystemInfo))
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