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Diffstat (limited to 'sys/boot/arc/include/arcfuncs.h')
| -rw-r--r-- | sys/boot/arc/include/arcfuncs.h | 199 |
1 files changed, 199 insertions, 0 deletions
diff --git a/sys/boot/arc/include/arcfuncs.h b/sys/boot/arc/include/arcfuncs.h new file mode 100644 index 0000000000000..cc4e48d35a674 --- /dev/null +++ b/sys/boot/arc/include/arcfuncs.h @@ -0,0 +1,199 @@ +/* + * 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. + * + * $Id$ + * + */ + +#ifdef __GNUC__ +#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)) |