This commit was generated by cvs2svn to compensate for changes in r49187,

which included commits to RCS files with non-trunk default branches.

28 files changed, 3009 insertions, 0 deletions

diff --git a/sys/boot/arc/Makefile b/sys/boot/arc/Makefile
new file mode 100644
index 0000000..4b04369
--- /dev/null
+++ b/sys/boot/arc/Makefile
@@ -0,0 +1,6 @@
+# $Id: Makefile,v 1.1.1.1 1998/08/21 03:17:41 msmith Exp $
+
+SUBDIR=		lib
+SUBDIR+=	loader
+
+.include <bsd.subdir.mk>
diff --git a/sys/boot/arc/Makefile.inc b/sys/boot/arc/Makefile.inc
new file mode 100644
index 0000000..4b2226c
--- /dev/null
+++ b/sys/boot/arc/Makefile.inc
@@ -0,0 +1,6 @@
+# Options used when building app-specific libalpha components
+LOAD_ADDRESS=		0xffffffff80900000
+DPADD+=			${DESTDIR}/${LIBDIR}/libstand.a
+LIBSTANDDIR=		${.CURDIR}/../../../../lib/libstand
+LIBSTAND=		-lstand
+LIBARC=			${.OBJDIR}/../lib/libarc.a
diff --git a/sys/boot/arc/include/arcfuncs.h b/sys/boot/arc/include/arcfuncs.h
new file mode 100644
index 0000000..cc4e48d
--- /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))
diff --git a/sys/boot/arc/include/arctypes.h b/sys/boot/arc/include/arctypes.h
new file mode 100644
index 0000000..e9c73d3
--- /dev/null
+++ b/sys/boot/arc/include/arctypes.h
@@ -0,0 +1,288 @@
+/*
+ * 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.
+ *
+ * $Id$
+ *
+ */
+
+#ifndef _ARC_TYPES_H_
+#define _ARC_TYPES_H_
+
+#define ESUCCESS 0
+
+typedef u_int8_t	BOOLEAN;	
+typedef u_int16_t	WCHAR;
+
+typedef int64_t		fpos_t;
+
+/* XXX the following types are defined in ARC but are not currently used */
+
+#if 0
+
+typedef void		VOID;
+
+typedef int8_t		CHAR;
+typedef int16_t		SHORT;
+typedef int32_t		LONG;
+typedef int64_t		LONGLONG;
+
+typedef u_int8_t	UCHAR;
+typedef u_int16_t	USHORT;
+typedef u_int32_t	ULONG;
+typedef u_int64_t	ULONGLONG;
+
+/*
+ * The following ARC types conflict with <sys/types.h> !
+ * They are not used in the ARC wrapper functions or ARC structs
+ * currently, and thus may be left alone for now. In case the 
+ * wrappers or structs are converted to use them, it is suggested
+ * to prefix them with "arc" to avoid type clashes (if linking
+ * against libstand.a which expects the FreeBSD declarations).
+ */
+
+typedef u_int32_t	size_t;
+typedef int64_t		clock_t;
+typedef int64_t		off_t;
+typedef int32_t		time_t;
+
+#endif /* 0 */
+
+typedef struct {
+   int32_t adr;
+} arcptr;
+
+typedef struct {
+   u_int32_t	SPBSignature;
+   u_int32_t	SPBLength;
+   u_int16_t	Version;
+   u_int16_t	Revision;
+   arcptr	RestartBlockP;
+   arcptr	DebugBlockP;
+   arcptr	GEVectorP;
+   arcptr	ULTBMissVectorP;
+   u_int32_t	FirmwareVectorLength;
+   arcptr	FirmwareVectorP;
+   u_int32_t	PrivateVectorLength;
+   arcptr	PrivateVectorP;
+   u_int32_t	AdapterCount;
+   struct {
+      u_int32_t	AdapterType;
+      u_int32_t	AdapterVectorLength;
+      arcptr	AdapterVectorP;
+   } Adapters[1];
+} SPB;
+
+/* ARC function specific data types */
+
+typedef enum{
+    SystemClass,
+    ProcessorClass,
+    CacheClass,
+    AdapterClass,
+    ControllerClass,
+    PeripheralClass,
+    MemoryClass,
+    MaximumClass
+} CONFIGURATION_CLASS;
+
+typedef enum {
+    ArcSystem,
+    CentralProcessor,
+    FloatingPointProcessor,
+    PrimaryIcache,
+    PrimaryDcache,
+    SecondaryIcache,
+    SecondaryDcache,
+    SecondaryCache,
+    EisaAdapter,
+    TcAdapter,
+    ScsiAdapter,
+    DtiAdapter,
+    MultiFunctionAdapter,
+    DiskController,
+    TapeController,
+    CdromController,
+    WormController,
+    SerialController,
+    NetworkController,
+    DisplayController,
+    ParallelController,
+    PointerController,
+    KeyboardController,
+    AudioController,
+    OtherController,
+    DiskPeripheral,
+    FloppyDiskPeripheral,
+    TapePeripheral,
+    ModemPeripheral,
+    MonitorPeripheral,
+    PrinterPeripheral,
+    PointerPeripheral,
+    KeyboardPeripheral,
+    TerminalPeripheral,
+    OtherPeripheral,
+    LinePeripheral,
+    NetworkPeripheral,
+    SystemMemory,
+    MaximumType
+} CONFIGURATION_TYPE, *PCONFIGURATION_TYPE;
+
+typedef enum {
+    Failed =		0x01,
+    ReadOnly =		0x02,
+    Removable =		0x04,
+    ConsoleIn =		0x08,
+    ConsoleOut =	0x10,
+    Input =		0x20,
+    Output =		0x40
+} IDENTIFIERFLAG;
+
+typedef struct {
+    CONFIGURATION_CLASS	Class;
+    CONFIGURATION_TYPE	Type;
+    IDENTIFIERFLAG	Flags;
+    u_int16_t		Version;
+    u_int16_t		Revision;
+    u_int32_t		Key;
+    u_int32_t		AffinityMask;
+    u_int32_t		ConfigurationDataLength;
+    u_int32_t		IdentifierLength;
+    arcptr		Identifier;
+} CONFIGURATION_COMPONENT, *PCONFIGURATION_COMPONENT;
+
+typedef struct {
+    int8_t		VendorId[8];
+    int8_t		ProductId[8];
+} SYSTEM_ID;
+
+typedef enum {
+    MemoryExceptionBlock,
+    MemorySystemBlock,
+    MemoryFree,
+    MemoryBad,
+    MemoryLoadedProgram,
+    MemoryFirmwareTemporary,
+    MemoryFirmwarePermanent,
+    MemoryFreeContiguous,
+    MemorySpecialMemory,
+    MemoryMaximum
+} MEMORY_TYPE;
+
+typedef struct {
+    MEMORY_TYPE Type;
+    u_int32_t		BasePage;
+    u_int32_t		PageCount;
+} MEMORY_DESCRIPTOR;
+
+typedef struct _TIME_FIELDS{
+    u_int16_t		Year;		/* 1601 .. */
+    u_int16_t		Month;		/* 1 .. 12 */
+    u_int16_t		Day;		/* 1 .. 31 */
+    u_int16_t		Hour;		/* 0 .. 23 */
+    u_int16_t		Minute;		/* 0 .. 59 */
+    u_int16_t		Second;		/* 0 .. 59 */
+    u_int16_t		Milliseconds;	/* 0 .. 999 */
+    u_int16_t		Weekday;	/* 0 .. 6 = Sunday .. Saturday  */
+} TIME_FIELDS, *PTIME_FIELDS;
+
+#define StandardIn	0
+#define StandardOut	1
+
+#define ReadOnlyFile	0x01
+#define HiddenFile	0x02
+#define SystemFile	0x04
+#define ArchiveFile	0x08
+#define DirectoryFile	0x10
+#define DeleteFile	0x20
+
+typedef struct {
+    u_int32_t		FileNameLength;
+    u_int8_t		FileAttribute;
+    int8_t		FileName[32];
+} DIRECTORY_ENTRY;
+
+typedef enum {
+    OpenReadOnly,
+    OpenWriteOnly,
+    OpenReadWrite,
+    CreateWriteOnly,
+    CreateReadWrite,
+    SupersedeWriteOnly,
+    SupersedeReadWrite,
+    OpenDirectory,
+    CreateDirectory,
+    OpenMaximumMode
+} OPEN_MODE;
+
+typedef enum {
+    SeekAbsolute,
+    SeekRelative,
+    SeekMaximum
+} SEEK_MODE;
+
+typedef enum {
+    MountLoadMedia,
+    MountUnloadMedia,
+    MountMaximum
+} MOUNT_OPERATION;
+
+typedef struct {
+    fpos_t		StartingAddress;
+    fpos_t		EndingAddress;
+    fpos_t		CurrentAddress;
+    CONFIGURATION_TYPE	Type;
+    u_int32_t		FileNameLength;
+    u_int8_t		Attributes;
+    int8_t		FileName[32];
+} FILE_INFORMATION;
+
+typedef struct {
+    u_int16_t		CursorXPosition;
+    u_int16_t		CursorYPosition;
+    u_int16_t		CursorMaxXPosition;
+    u_int16_t		CursorMaxYPosition;
+    u_int8_t		ForegroundColor;
+    u_int8_t		BackgroundColor;
+    BOOLEAN		HighIntensity;
+    BOOLEAN		Underscored;
+    BOOLEAN		ReverseVideo;
+} ARC_DISPLAY_STATUS;
+
+/* vendor function specific data types */
+
+typedef struct {
+    u_int32_t	ProcessorId;
+    u_int32_t	ProcessorRevision;
+    u_int32_t	ProcessorPageSize;
+    u_int32_t	NumberOfPhysicalAddressBits;
+    u_int32_t	MaximumAddressSpaceNumber;
+    u_int32_t	ProcessorCycleCounterPeriod;
+    u_int32_t	SystemRevision;
+    u_int8_t	SystemSerialNumber[16];
+    u_int8_t	FirmwareVersion[16];
+    u_int8_t	FirmwareBuildTimeStamp[12];
+} EXTENDED_SYSTEM_INFORMATION, *PEXTENDED_SYSTEM_INFORMATION; 
+
+#endif /* _ARC_TYPES_H_ */
diff --git a/sys/boot/arc/include/libarc.h b/sys/boot/arc/include/libarc.h
new file mode 100644
index 0000000..7162159
--- /dev/null
+++ b/sys/boot/arc/include/libarc.h
@@ -0,0 +1,81 @@
+/* $Id$ */
+
+/*
+ * Copyright (c) 1996
+ *	Matthias Drochner.  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, 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.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed for the NetBSD Project
+ *	by Matthias Drochner.
+ * 4. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * 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.
+ *
+ */
+
+/*
+ * ARC fully-qualified device descriptor
+ */
+struct arc_devdesc
+{
+    struct devsw	*d_dev;
+    int			d_type;
+#define DEVT_NONE	0
+#define DEVT_DISK	1
+#define DEVT_NET	2
+    union 
+    {
+	struct 
+	{
+	    int		unit;
+	    int		slice;
+	    int		partition;
+	} arcdisk;
+	struct 
+	{
+	    int		unit;		/* XXX net layer lives over these? */
+	} netif;
+    } d_kind;
+};
+
+extern int	arc_getdev(void **vdev, const char *devspec, const char **path);
+extern char	*arc_fmtdev(void *vdev);
+extern int	arc_setcurrdev(struct env_var *ev, int flags, void *value);
+
+#define MAXDEV	31	/* maximum number of distinct devices */
+
+typedef unsigned long physaddr_t;
+
+/* exported devices XXX rename? */
+extern struct devsw arcdisk;
+extern struct netif_driver arcnet;
+
+/* this is in startup code */
+extern void		delay(int);
+extern void		reboot(void);
+
+extern int		arc_copyin(void *src, vm_offset_t dest, size_t len);
+extern int		arc_copyout(vm_offset_t src, void *dest, size_t len);
+extern int		arc_readin(int fd, vm_offset_t dest, size_t len);
+
+extern int		arc_boot(void);
+extern int		arc_autoload(void);
diff --git a/sys/boot/arc/lib/Makefile b/sys/boot/arc/lib/Makefile
new file mode 100644
index 0000000..57c7282
--- /dev/null
+++ b/sys/boot/arc/lib/Makefile
@@ -0,0 +1,38 @@
+# $Id: Makefile,v 1.6 1998/10/16 19:26:11 msmith Exp $
+
+LIB=		arc
+NOPIC=		true
+NOPROFILE=	true
+INTERNALLIB=	true
+
+.PATH:		arch/${MACHINE}
+# XXX hack to pick up stand.h
+LIBSTANDDIR=	${.CURDIR}/../../../../lib/libstand
+CFLAGS=		-I${LIBSTANDDIR}
+CFLAGS+=	-DDEBUG
+
+# Pick up the bootstrap header for some interface items
+CFLAGS+=	-I${.CURDIR}/../../common -mno-fp-regs \
+		-I${.CURDIR}/../../.. -I../include
+
+#CFLAGS+= -DDISK_DEBUG
+#CPPFLAGS+= -DNO_DISKLABEL
+#CPPFLAGS+= -DSAVE_MEMORY
+
+SRCS=	delay.c time.c abort.c setjmperr.c copy.c devicename.c module.c \
+	arcconsole.c arcdisk.c elf_freebsd.c bootinfo.c
+
+.if ${MACHINE} == "alpha"
+SRCS+=	rpb.c
+.endif
+
+all: libarc.a
+
+CLEANFILES+= machine
+
+machine:
+	ln -sf ${.CURDIR}/../../../alpha/include machine
+
+.include <bsd.lib.mk>
+
+beforedepend ${OBJS}: machine
diff --git a/sys/boot/arc/lib/abort.c b/sys/boot/arc/lib/abort.c
new file mode 100644
index 0000000..0048061
--- /dev/null
+++ b/sys/boot/arc/lib/abort.c
@@ -0,0 +1,38 @@
+/*-
+ * Copyright (c) 1998 Doug Rabson
+ * 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, 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 AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.
+ *
+ *	$Id$
+ */
+
+#include <errno.h>
+#include <sys/types.h>
+#include "arctypes.h"
+#include "arcfuncs.h"
+
+void
+abort()
+{
+    FwReboot();
+}
diff --git a/sys/boot/arc/lib/arcconsole.c b/sys/boot/arc/lib/arcconsole.c
new file mode 100644
index 0000000..e8ecb22
--- /dev/null
+++ b/sys/boot/arc/lib/arcconsole.c
@@ -0,0 +1,107 @@
+/* $Id$ */
+/* $NetBSD: prom.c,v 1.3 1997/09/06 14:03:58 drochner Exp $ */
+
+/*  
+ * Mach Operating System
+ * Copyright (c) 1992 Carnegie Mellon University
+ * All Rights Reserved.
+ * 
+ * Permission to use, copy, modify and distribute this software and its
+ * documentation is hereby granted, provided that both the copyright
+ * notice and this permission notice appear in all copies of the
+ * software, derivative works or modified versions, and any portions
+ * thereof, and that both notices appear in supporting documentation.
+ * 
+ * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
+ * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
+ * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
+ * 
+ * Carnegie Mellon requests users of this software to return to
+ * 
+ *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
+ *  School of Computer Science
+ *  Carnegie Mellon University
+ *  Pittsburgh PA 15213-3890
+ * 
+ * any improvements or extensions that they make and grant Carnegie Mellon
+ * the rights to redistribute these changes.
+ */
+
+#include <sys/types.h>
+
+#include "bootstrap.h"
+#include "arctypes.h"
+#include "arcfuncs.h"
+
+int console;
+
+static void arc_probe(struct console *cp);
+static int arc_init(int);
+static void arc_putchar(int);
+static int arc_getchar(void);
+static int arc_poll(void);
+
+struct console arcconsole = {
+    "arc",
+    "ARC firmware console",
+    0,
+    arc_probe,
+    arc_init,
+    arc_putchar,
+    arc_getchar,
+    arc_poll,
+};
+
+static void
+arc_probe(struct console *cp)
+{
+    cp->c_flags |= C_PRESENTIN|C_PRESENTOUT;
+}
+
+static int
+arc_init(int arg)
+{
+    return 0;
+}
+
+static void
+arc_putchar(int c)
+{
+    char cbuf = c;
+    u_int32_t count;
+
+    Write(StandardOut, &cbuf, 1, &count);
+}
+
+static int saved_char = -1;
+
+int
+arc_getchar()
+{
+    char cbuf;
+    u_int32_t count;
+
+    arc_putchar('_');
+    arc_putchar('\b');
+    Read(StandardIn, &cbuf, 1, &count);
+    arc_putchar(' ');
+    arc_putchar('\b');
+    if (count == 1)
+	return cbuf;
+    else
+	return -1;
+}
+
+int
+arc_poll()
+{
+    return GetReadStatus(StandardIn) == ESUCCESS;
+}
+
+int
+arc_open(dev, len)
+    char *dev;
+    int len;
+{
+    return 0;
+}
diff --git a/sys/boot/arc/lib/arcdisk.c b/sys/boot/arc/lib/arcdisk.c
new file mode 100644
index 0000000..5a6be39
--- /dev/null
+++ b/sys/boot/arc/lib/arcdisk.c
@@ -0,0 +1,357 @@
+/*-
+ * Copyright (c) 1998 Michael Smith <msmith@freebsd.org>
+ * Copyright (c) 1998 Doug Rabson <dfr@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, 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 AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.
+ *
+ *	$Id$
+ */
+
+/*
+ * ARC disk device handling.
+ * 
+ * Ideas and algorithms from:
+ *
+ * - NetBSD libi386/biosdisk.c
+ * - FreeBSD biosboot/disk.c
+ *
+ * XXX Todo: add bad144 support.
+ */
+
+#include <stand.h>
+
+#include <sys/disklabel.h>
+#include <sys/diskslice.h>
+
+#include <machine/stdarg.h>
+
+#include "bootstrap.h"
+#include "libarc.h"
+#include "arctypes.h"
+#include "arcfuncs.h"
+
+#define ARCDISK_SECSIZE	512
+
+#define BUFSIZE		(1 * ARCDISK_SECSIZE)
+#define	MAXBDDEV	MAXDEV
+
+#ifdef DISK_DEBUG
+# define D(x)	x
+#else
+# define D(x)
+#endif
+
+static int	bd_init(void);
+static int	bd_strategy(void *devdata, int flag, daddr_t dblk, size_t size, void *buf, size_t *rsize);
+static int	bd_realstrategy(void *devdata, int flag, daddr_t dblk, size_t size, void *buf, size_t *rsize);
+static int	bd_open(struct open_file *f, void *vdev);
+static int	bd_close(struct open_file *f);
+static void	bd_print(int verbose);
+
+struct open_disk {
+    int			od_fd;
+    int			od_unit;		/* our unit number */
+    int			od_boff;		/* block offset from beginning of ARC disk */
+    int			od_flags;
+#define BD_FLOPPY	(1<<2)
+    u_char		od_buf[BUFSIZE];	/* transfer buffer (do we want/need this?) */
+};
+
+struct devsw arcdisk = {
+    "disk", 
+    DEVT_DISK, 
+    bd_init,
+    bd_strategy, 
+    bd_open, 
+    bd_close, 
+    noioctl,
+    bd_print
+};
+
+/*
+ * List of ARC devices, translation from disk unit number to
+ * ARC unit number.
+ */
+static struct 
+{
+    char	bd_name[64];
+    int		bd_unit;		/* ARC unit number */
+    int		bd_namelen;
+    int		bd_flags;
+} bdinfo [MAXBDDEV];
+static int nbdinfo = 0;
+
+/*    
+ * Quiz ARC for disk devices, save a little info about them.
+ */
+static int
+bd_init(void) 
+{
+    nbdinfo++;
+
+    return (0);
+}
+
+/*
+ * Print information about disks
+ */
+static void
+bd_print(int verbose)
+{
+    int		i;
+    char	line[80];
+    
+    for (i = 0; i < nbdinfo; i++) {
+	sprintf(line, "    disk%d:   ARC drive %s", i, bdinfo[i].bd_name);
+	pager_output(line);
+	/* XXX more detail? */
+	pager_output("\n");
+    }
+}
+
+/*
+ * Attempt to open the disk described by (dev) for use by (f).
+ *
+ * Note that the philosophy here is "give them exactly what
+ * they ask for".  This is necessary because being too "smart"
+ * about what the user might want leads to complications.
+ * (eg. given no slice or partition value, with a disk that is
+ *  sliced - are they after the first BSD slice, or the DOS
+ *  slice before it?)
+ */
+static int 
+bd_open(struct open_file *f, void *vdev)
+{
+    struct arc_devdesc		*dev = vdev;
+    struct dos_partition	*dptr;
+    struct open_disk		*od;
+    struct disklabel		*lp;
+    int				sector, slice, i;
+    int				error;
+    int				unit;
+    u_int32_t			fd;
+
+    unit = dev->d_kind.arcdisk.unit;
+    if (unit >= nbdinfo) {
+	D(printf("attempt to open nonexistent disk\n"));
+	return(ENXIO);
+    }
+    
+    if (Open("scsi(0)disk(0)rdisk(0)partition(0)",
+	     OpenReadOnly, &fd) != ESUCCESS)
+      if (Open("scsi(0)disk(1)rdisk(0)partition(0)",
+	       OpenReadOnly, &fd) != ESUCCESS)
+	if (Open("multi(0)disk(0)fdisk(0)partition(0)",
+		 OpenReadOnly, &fd) != ESUCCESS)
+	return(ENXIO);
+
+    od = (struct open_disk *) malloc(sizeof(struct open_disk));
+    if (!od) {
+	D(printf("arcdiskopen: no memory\n"));
+	return (ENOMEM);
+    }
+
+    /* Look up ARC unit number, intialise open_disk structure */
+    od->od_fd = fd;
+    od->od_unit = dev->d_kind.arcdisk.unit;
+    od->od_flags = bdinfo[od->od_unit].bd_flags;
+    od->od_boff = 0;
+    error = 0;
+
+#if 0
+    /* Get geometry for this open (removable device may have changed) */
+    if (set_geometry(&od->od_ll)) {
+	D(printf("bd_open: can't get geometry\n"));
+	error = ENXIO;
+	goto out;
+    }
+#endif
+
+    /*
+     * Following calculations attempt to determine the correct value
+     * for d->od_boff by looking for the slice and partition specified,
+     * or searching for reasonable defaults.
+     */
+
+#if 0
+    /*
+     * Find the slice in the DOS slice table.
+     */
+    if (readsects(&od->od_ll, 0, 1, od->od_buf, 0)) {
+	D(printf("bd_open: error reading MBR\n"));
+	error = EIO;
+	goto out;
+    }
+
+    /* 
+     * Check the slice table magic.
+     */
+    if ((od->od_buf[0x1fe] != 0xff) || (od->od_buf[0x1ff] != 0xaa)) {
+	/* If a slice number was explicitly supplied, this is an error */
+	if (dev->d_kind.arcdisk.slice > 0) {
+	    D(printf("bd_open: no slice table/MBR (no magic)\n"));
+	    error = ENOENT;
+	    goto out;
+	}
+	sector = 0;
+	goto unsliced;		/* may be a floppy */
+    }
+    dptr = (struct dos_partition *) & od->od_buf[DOSPARTOFF];
+
+    /* 
+     * XXX No support here for 'extended' slices
+     */
+    if (dev->d_kind.arcdisk.slice <= 0) {
+	/*
+	 * Search for the first FreeBSD slice; this also works on "unsliced"
+	 * disks, as they contain a "historically bogus" MBR.
+	 */
+	for (i = 0; i < NDOSPART; i++, dptr++)
+	    if (dptr->dp_typ == DOSPTYP_386BSD) {
+		sector = dptr->dp_start;
+		break;
+	    }
+	/* Did we find something? */
+	if (sector == -1) {
+	    error = ENOENT;
+	    goto out;
+	}
+    } else {
+	/*
+	 * Accept the supplied slice number unequivocally (we may be looking
+	 * for a DOS partition) if we can handle it.
+	 */
+	if ((dev->d_kind.arcdisk.slice > NDOSPART) || (dev->d_kind.arcdisk.slice < 1)) {
+	    error = ENOENT;
+	    goto out;
+	}
+	dptr += (dev->d_kind.arcdisk.slice - 1);
+	sector = dptr->dp_start;
+    }
+ unsliced:
+
+#else
+    sector = 0;
+#endif
+    /* 
+     * Now we have the slice, look for the partition in the disklabel if we have
+     * a partition to start with.
+     */
+    if (dev->d_kind.arcdisk.partition < 0) {
+	od->od_boff = sector;		/* no partition, must be after the slice */
+    } else {
+	if (bd_strategy(od, F_READ, sector + LABELSECTOR, 512, od->od_buf, 0)) {
+	    D(printf("bd_open: error reading disklabel\n"));
+	    error = EIO;
+	    goto out;
+	}
+	lp = (struct disklabel *) (od->od_buf + LABELOFFSET);
+	if (lp->d_magic != DISKMAGIC) {
+	    D(printf("bd_open: no disklabel\n"));
+	    error = ENOENT;
+	    goto out;
+
+	} else if (dev->d_kind.arcdisk.partition >= lp->d_npartitions) {
+
+	    /*
+	     * The partition supplied is out of bounds; this is fatal.
+	     */
+	    D(printf("partition '%c' exceeds partitions in table (a-'%c')\n",
+		     'a' + dev->d_kind.arcdisk.partition, 'a' + lp->d_npartitions));
+	    error = EPART;
+	    goto out;
+
+	} else {
+
+	    /*
+	     * Complain if the partition type is wrong and it shouldn't be, but
+	     * regardless accept this partition.
+	     */
+	    D(if ((lp->d_partitions[dev->d_kind.arcdisk.partition].p_fstype == FS_UNUSED) &&
+		  !(od->od_flags & BD_FLOPPY))	    /* Floppies often have bogus fstype */
+	      printf("bd_open: warning, partition marked as unused\n"););
+
+	    od->od_boff = lp->d_partitions[dev->d_kind.arcdisk.partition].p_offset;
+	}
+    }
+    /*
+     * Save our context
+     */
+    f->f_devdata = od;
+
+ out:
+    if (error)
+	free(od);
+    return(error);
+}
+
+static int 
+bd_close(struct open_file *f)
+{
+    struct open_disk	*od = f->f_devdata;
+
+    Close(od->od_fd);
+
+    free(od);
+    f->f_devdata = NULL;
+    return(0);
+}
+
+static int 
+bd_strategy(void *devdata, int rw, daddr_t dblk, size_t size, void *buf, size_t *rsize)
+{
+    struct bcache_devdata	bcd;
+    
+    bcd.dv_strategy = bd_realstrategy;
+    bcd.dv_devdata = devdata;
+    return(bcache_strategy(&bcd, rw, dblk, size, buf, rsize));
+}
+
+static int 
+bd_realstrategy(void *devdata, int flag, daddr_t dblk, size_t size, void *buf, size_t *rsize)
+{
+    struct open_disk	*od = (struct open_disk *)devdata;
+    fpos_t		seek;
+    u_int32_t		count;
+
+    if (size % ARCDISK_SECSIZE)
+	panic("bd_strategy: I/O not block multiple");
+
+    if (flag != F_READ)
+	return(EROFS);
+
+    if (rsize)
+	*rsize = 0;
+
+    seek = 512 * (dblk + od->od_boff);
+    Seek(od->od_fd, &seek, SeekAbsolute);
+    if (Read(od->od_fd, buf, size, &count) != ESUCCESS) {
+	D(printf("read error\n"));
+	return (EIO);
+    }
+
+    if (rsize)
+	*rsize = count;
+    return (0);
+}
+
diff --git a/sys/boot/arc/lib/arch/alpha/copy.c b/sys/boot/arc/lib/arch/alpha/copy.c
new file mode 100644
index 0000000..2ca1397
--- /dev/null
+++ b/sys/boot/arc/lib/arch/alpha/copy.c
@@ -0,0 +1,71 @@
+/*-
+ * Copyright (c) 1998 Michael Smith <msmith@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, 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 AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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: alpha_copy.c,v 1.3 1998/09/20 21:46:19 dfr Exp $
+ */
+/*
+ * MD primitives supporting placement of module data 
+ *
+ * XXX should check load address/size against memory top.
+ */
+#include <stand.h>
+#include <machine/alpha_cpu.h>
+
+#include "libarc.h"
+
+/*
+ * Convert from a 64bit superpage address to a 32bit arc superpage address.
+ */
+static void *
+convert_superpage(vm_offset_t p)
+{
+    if (p < ALPHA_K0SEG_BASE || p >= ALPHA_K0SEG_END) {
+	printf("stupid address %p\n", (void *)p);
+	panic("broken");
+    }
+    return (void *) (0xffffffff80000000 + (p - ALPHA_K0SEG_BASE));
+}
+
+int
+arc_copyin(void *src, vm_offset_t dest, size_t len)
+{
+    bcopy(src, convert_superpage(dest), len);
+    return(len);
+}
+
+int
+arc_copyout(vm_offset_t src, void *dest, size_t len)
+{
+    bcopy(convert_superpage(src), dest, len);
+    return(len);
+}
+
+int
+arc_readin(int fd, vm_offset_t dest, size_t len)
+{
+    return(read(fd, convert_superpage(dest), len));
+}
+
+    
diff --git a/sys/boot/arc/lib/arch/alpha/rpb.c b/sys/boot/arc/lib/arch/alpha/rpb.c
new file mode 100644
index 0000000..ac56c82
--- /dev/null
+++ b/sys/boot/arc/lib/arch/alpha/rpb.c
@@ -0,0 +1,196 @@
+/*-
+ * Copyright (c) 1998 Doug Rabson
+ * 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, 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 AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.
+ *
+ *	$Id$
+ */
+
+#include <stand.h>
+#include <machine/rpb.h>
+#include "arctypes.h"
+#include "arcfuncs.h"
+
+struct rpb RPB = {
+    0,				/* rpb_phys */
+    {"HWRPB"},			/* rpb_magic */
+    HWRPB_DSRDB_MINVERS,	/* rpb_version */
+    sizeof(struct rpb),		/* rpb_size */
+    0,				/* rpb_primary_cpu_id */
+    8192,			/* rpb_page_size */
+    43,				/* rpb_phys_addr_size */
+    0,				/* rpb_max_asn */
+    {0},			/* rpb_ssn */
+    ST_EB164,			/* rpb_type */
+    SV_ST_ALPHAPC164LX_533,	/* rpb_variation */
+    {"0000"},			/* rpb_revision */
+    1024*4096,			/* rpb_intr_freq */
+    533*1024*1024,		/* rpb_cc_freq */
+    0,				/* rpb_vptb */
+    0,				/* rpb_reserved_arch */
+    0,				/* rpb_tbhint_off */
+    0,				/* rpb_pcs_cnt */
+    0,				/* rpb_pcs_size */
+    0,				/* rpb_pcs_off */
+    0,				/* rpb_ctb_cnt */
+    0,				/* rpb_ctb_size */
+    0,				/* rpb_ctb_off */
+    0,				/* rpb_crb_off */
+    0,				/* rpb_memdat_off */
+    0,				/* rpb_condat_off */
+    0,				/* rpb_fru_off */
+    0,				/* rpb_save_term */
+    0,				/* rpb_save_term_val */
+    0,				/* rpb_rest_term */
+    0,				/* rpb_rest_term_val */
+    0,				/* rpb_restart */
+    0,				/* rpb_restart_val */
+    0,				/* rpb_reserve_os */
+    0,				/* rpb_reserve_hw */
+    0,				/* rpb_checksum */
+    0,				/* rpb_rxrdy */
+    0,				/* rpb_txrdy */
+    0,				/* rpb_dsrdb_off */
+    {0},			/* rpb_rpb_tbhint */
+};
+
+#define ROUNDUP(x)	(((x) + sizeof(u_int64_t) - 1) \
+			 & ~(sizeof(u_int64_t) - 1))
+
+u_int64_t
+checksum(void *p, size_t size)
+{
+    u_int64_t sum = 0;
+    u_int64_t *lp = (u_int64_t *)p;
+    int i;
+
+    printf("checksum(%p, %d)\n", p, size);
+    size = ROUNDUP(size) / sizeof(u_int64_t);
+    for (i = 0; i < size; i++)
+	sum += lp[i];
+}
+
+size_t
+size_mddt()
+{
+    int count = 0;
+    MEMORY_DESCRIPTOR *desc;
+
+    for (desc = GetMemoryDescriptor(NULL); desc;
+	 desc = GetMemoryDescriptor(desc)) {
+	count++;
+    }
+
+    return ROUNDUP(sizeof(struct mddt)
+		   + (count - 1) * sizeof(struct mddt_cluster));
+}
+
+void
+write_mddt(struct mddt *mddt, size_t size)
+{
+    int count = 0, i;
+    MEMORY_DESCRIPTOR *desc;
+    u_int64_t *p;
+
+    memset(mddt, 0, sizeof(struct mddt));
+    for (desc = GetMemoryDescriptor(NULL); desc;
+	 desc = GetMemoryDescriptor(desc)) {
+	struct mddt_cluster *mc;
+	mc = &mddt->mddt_clusters[count];
+	mc->mddt_pfn = desc->BasePage;
+	mc->mddt_pg_cnt = desc->PageCount;
+	mc->mddt_pg_test = 0;
+	mc->mddt_v_bitaddr = 0;
+	mc->mddt_p_bitaddr = 0;
+	mc->mddt_bit_cksum = 0;
+
+	/*
+	 * Not sure about the FirmwareTemporary bit but my 164LX has
+	 * about 60Mb marked this way.
+	 */
+	if (desc->Type == MemoryFree || desc->Type == MemoryFirmwareTemporary)
+	    mc->mddt_usage = MDDT_SYSTEM;
+	else if (desc->Type == MemorySpecialMemory)
+	    mc->mddt_usage = MDDT_NONVOLATILE; /* ?? */
+	else
+	    mc->mddt_usage = MDDT_PALCODE;
+	count++;
+    }
+    mddt->mddt_cluster_cnt = count;
+    mddt->mddt_cksum = checksum(mddt, size);
+}
+
+size_t
+size_rpb()
+{
+    return sizeof(struct rpb) + size_mddt();
+}
+
+void
+write_rpb(struct rpb *rpb)
+{
+    EXTENDED_SYSTEM_INFORMATION	sysinfo;
+    SYSTEM_ID *sysid;
+
+    ReturnExtendedSystemInformation(&sysinfo);
+
+    memset(rpb, 0, sizeof(struct rpb));
+    rpb->rpb_phys = 0;			/* XXX */
+    strcpy(rpb->rpb_magic, "HWRPB");
+    rpb->rpb_version = HWRPB_DSRDB_MINVERS;
+    rpb->rpb_size = sizeof(struct rpb);
+    rpb->rpb_primary_cpu_id = 0;	/* XXX */
+    rpb->rpb_page_size = sysinfo.ProcessorPageSize;
+    rpb->rpb_phys_addr_size = sysinfo.NumberOfPhysicalAddressBits;
+    rpb->rpb_max_asn = sysinfo.MaximumAddressSpaceNumber;
+    rpb->rpb_type = ST_EB164;		/* XXX */
+    rpb->rpb_variation = SV_ST_ALPHAPC164LX_533; /* XXX */
+    rpb->rpb_intr_freq = 1024*4096;	/* XXX */
+    rpb->rpb_cc_freq = 533000000;	/* XXX */
+    rpb->rpb_memdat_off = sizeof(struct rpb);
+    write_mddt((struct mddt *)((caddr_t) rpb + rpb->rpb_memdat_off),
+	       size_mddt());
+    rpb->rpb_checksum = checksum(rpb, 280); /* only sum first 280 bytes */
+}
+
+struct rpb *
+make_rpb()
+{
+    EXTENDED_SYSTEM_INFORMATION	sysinfo;
+    struct rpb *rpb;
+
+    ReturnExtendedSystemInformation(&sysinfo);
+    printf("sysinfo.ProcessorId = %x\n", sysinfo.ProcessorId);
+    printf("sysinfo.ProcessorRevision = %d\n", sysinfo.ProcessorRevision);
+    printf("sysinfo.ProcessorPageSize = %d\n", sysinfo.ProcessorPageSize);
+    printf("sysinfo.NumberOfPhysicalAddressBits = %d\n", sysinfo.NumberOfPhysicalAddressBits);
+    printf("sysinfo.MaximumAddressSpaceNumber = %d\n", sysinfo.MaximumAddressSpaceNumber);
+    printf("sysinfo.ProcessorCycleCounterPeriod = %d\n", sysinfo.ProcessorCycleCounterPeriod);
+    printf("sysinfo.SystemRevision = %d\n", sysinfo.SystemRevision);
+    printf("sysinfo.SystemSerialNumber = %s\n", sysinfo.SystemSerialNumber);
+    printf("sysinfo.FirmwareVersion = %s\n", sysinfo.FirmwareVersion);
+
+    rpb = malloc(size_rpb());
+    write_rpb(rpb);
+    return rpb;
+}
diff --git a/sys/boot/arc/lib/arch/alpha/setjmp.S b/sys/boot/arc/lib/arch/alpha/setjmp.S
new file mode 100644
index 0000000..24502a4
--- /dev/null
+++ b/sys/boot/arc/lib/arch/alpha/setjmp.S
@@ -0,0 +1,95 @@
+/* $Id$ */
+/*
+ * Copyright (c) 1994, 1995, 1996 Carnegie-Mellon University.
+ * All rights reserved.
+ *
+ * Author: Chris G. Demetriou
+ *
+ * Permission to use, copy, modify and distribute this software and
+ * its documentation is hereby granted, provided that both the copyright
+ * notice and this permission notice appear in all copies of the
+ * software, derivative works or modified versions, and any portions
+ * thereof, and that both notices appear in supporting documentation.
+ *
+ * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
+ * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
+ * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
+ *
+ * Carnegie Mellon requests users of this software to return to
+ *
+ *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
+ *  School of Computer Science
+ *  Carnegie Mellon University
+ *  Pittsburgh PA 15213-3890
+ *
+ * any improvements or extensions that they make and grant Carnegie the
+ * rights to redistribute these changes.
+ */
+
+#include <machine/asm.h>
+
+	.text
+/*
+ * Kernel setjmp and longjmp.  Rather minimalist.
+ *
+ *	longjmp(label_t *a)
+ * will generate a "return (1)" from the last call to
+ *	setjmp(label_t *a)
+ * by restoring registers from the stack,
+ */
+
+	.set	noreorder
+
+LEAF(setjmp, 1)
+	LDGP(pv)
+
+	stq	ra, (0 * 8)(a0)			/* return address */
+	stq	s0, (1 * 8)(a0)			/* callee-saved registers */
+	stq	s1, (2 * 8)(a0)
+	stq	s2, (3 * 8)(a0)
+	stq	s3, (4 * 8)(a0)
+	stq	s4, (5 * 8)(a0)
+	stq	s5, (6 * 8)(a0)
+	stq	s6, (7 * 8)(a0)
+	stq	sp, (8 * 8)(a0)
+
+	ldiq	t0, 0xbeeffedadeadbabe		/* set magic number */
+	stq	t0, (9 * 8)(a0)
+
+	mov	zero, v0			/* return zero */
+	RET
+END(setjmp)
+
+LEAF(longjmp, 1)
+	LDGP(pv)
+
+	ldiq	t0, 0xbeeffedadeadbabe		/* check magic number */
+	ldq	t1, (9 * 8)(a0)
+	cmpeq	t0, t1, t0
+	beq	t0, longjmp_botch		/* if bad, punt */
+
+	ldq	ra, (0 * 8)(a0)			/* return address */
+	ldq	s0, (1 * 8)(a0)			/* callee-saved registers */
+	ldq	s1, (2 * 8)(a0)
+	ldq	s2, (3 * 8)(a0)
+	ldq	s3, (4 * 8)(a0)
+	ldq	s4, (5 * 8)(a0)
+	ldq	s5, (6 * 8)(a0)
+	ldq	s6, (7 * 8)(a0)
+	ldq	sp, (8 * 8)(a0)
+
+	ldiq	v0, 1
+	RET
+
+longjmp_botch:
+	lda	a0, longjmp_botchmsg
+	mov	ra, a1
+	CALL(panic)
+	call_pal PAL_bugchk
+
+	.data
+longjmp_botchmsg:
+	.asciz	"longjmp botch from %p"
+	.text
+
+END(longjmp)
diff --git a/sys/boot/arc/lib/arch/alpha/start.S b/sys/boot/arc/lib/arch/alpha/start.S
new file mode 100644
index 0000000..af038e9
--- /dev/null
+++ b/sys/boot/arc/lib/arch/alpha/start.S
@@ -0,0 +1,63 @@
+/*
+ * 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.
+ *
+ * $Id$
+ *
+ */
+
+/*
+ * Based on /sys/boot/alpha/libalpha/start.S
+ * Copyright (c) 1992 Carnegie Mellon University
+ */
+
+#include <machine/asm.h>
+
+	.text
+
+#define ENTRY_FRAME	32
+
+NESTED(_start, 1, ENTRY_FRAME, ra, 0, 0)
+	br	pv,Lstartgp
+Lstartgp:
+	LDGP(pv)
+
+	lda	a0,_edata
+	lda	a1,_end
+	subq	a1,a0,a1
+	CALL(bzero)
+
+	lda	sp, -8(sp)
+	stq	ra, 0(sp)
+	
+	CALL(main)			/* transfer to C */
+
+	ldq	ra, 0(sp)
+	lda	sp, 8(sp)
+	RET /* XXX */
+
+XLEAF(_rtt, 0)
+XLEAF(halt, 0)
+	call_pal PAL_halt		/* halt if we ever return */
+END(_start)
diff --git a/sys/boot/arc/lib/bootinfo.c b/sys/boot/arc/lib/bootinfo.c
new file mode 100644
index 0000000..949a93c
--- /dev/null
+++ b/sys/boot/arc/lib/bootinfo.c
@@ -0,0 +1,204 @@
+/*-
+ * Copyright (c) 1998 Michael Smith <msmith@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, 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 AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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: bootinfo.c,v 1.3 1998/10/15 21:55:58 dfr Exp $
+ */
+
+#include <stand.h>
+#include <string.h>
+#include <sys/param.h>
+#include <sys/reboot.h>
+#include <sys/linker.h>
+#include <machine/elf.h>
+#include <machine/prom.h>
+#include <machine/rpb.h>
+#include <machine/bootinfo.h>
+#include "bootstrap.h"
+
+/*
+ * Copy the environment into the load area starting at (addr).
+ * Each variable is formatted as <name>=<value>, with a single nul
+ * separating each variable, and a double nul terminating the environment.
+ */
+vm_offset_t
+bi_copyenv(vm_offset_t addr)
+{
+    struct env_var	*ep;
+    
+    /* traverse the environment */
+    for (ep = environ; ep != NULL; ep = ep->ev_next) {
+	alpha_copyin(ep->ev_name, addr, strlen(ep->ev_name));
+	addr += strlen(ep->ev_name);
+	alpha_copyin("=", addr, 1);
+	addr++;
+	if (ep->ev_value != NULL) {
+	    alpha_copyin(ep->ev_value, addr, strlen(ep->ev_value));
+	    addr += strlen(ep->ev_value);
+	}
+	alpha_copyin("", addr, 1);
+	addr++;
+    }
+    alpha_copyin("", addr, 1);
+    addr++;
+    return(addr);
+}
+
+/*
+ * Copy module-related data into the load area, where it can be
+ * used as a directory for loaded modules.
+ *
+ * Module data is presented in a self-describing format.  Each datum
+ * is preceeded by a 32-bit identifier and a 32-bit size field.
+ *
+ * Currently, the following data are saved:
+ *
+ * MOD_NAME	(variable)		module name (string)
+ * MOD_TYPE	(variable)		module type (string)
+ * MOD_ADDR	sizeof(vm_offset_t)	module load address
+ * MOD_SIZE	sizeof(size_t)		module size
+ * MOD_METADATA	(variable)		type-specific metadata
+ */
+#define COPY32(v, a) {				\
+    u_int32_t	x = (v);			\
+    alpha_copyin(&x, a, sizeof(x));		\
+    a += sizeof(x);				\
+}
+
+#define MOD_STR(t, a, s) {			\
+    COPY32(t, a);				\
+    COPY32(strlen(s) + 1, a);			\
+    alpha_copyin(s, a, strlen(s) + 1);		\
+    a += roundup(strlen(s) + 1, sizeof(u_int64_t));\
+}
+
+#define MOD_NAME(a, s)	MOD_STR(MODINFO_NAME, a, s)
+#define MOD_TYPE(a, s)	MOD_STR(MODINFO_TYPE, a, s)
+
+#define MOD_VAR(t, a, s) {			\
+    COPY32(t, a);				\
+    COPY32(sizeof(s), a);			\
+    alpha_copyin(&s, a, sizeof(s));		\
+    a += roundup(sizeof(s), sizeof(u_int64_t));	\
+}
+
+#define MOD_ADDR(a, s)	MOD_VAR(MODINFO_ADDR, a, s)
+#define MOD_SIZE(a, s)	MOD_VAR(MODINFO_SIZE, a, s)
+
+#define MOD_METADATA(a, mm) {			\
+    COPY32(MODINFO_METADATA | mm->md_type, a);	\
+    COPY32(mm->md_size, a);			\
+    alpha_copyin(mm->md_data, a, mm->md_size);	\
+    a += roundup(mm->md_size, sizeof(u_int64_t));\
+}
+
+#define MOD_END(a) {				\
+    COPY32(MODINFO_END, a);			\
+    COPY32(0, a);				\
+}
+
+vm_offset_t
+bi_copymodules(vm_offset_t addr)
+{
+    struct loaded_module	*mp;
+    struct module_metadata	*md;
+
+    /* start with the first module on the list, should be the kernel */
+    for (mp = mod_findmodule(NULL, NULL); mp != NULL; mp = mp->m_next) {
+
+	MOD_NAME(addr, mp->m_name);	/* this field must come first */
+	MOD_TYPE(addr, mp->m_type);
+	MOD_ADDR(addr, mp->m_addr);
+	MOD_SIZE(addr, mp->m_size);
+	for (md = mp->m_metadata; md != NULL; md = md->md_next)
+	    if (!(md->md_type & MODINFOMD_NOCOPY))
+		MOD_METADATA(addr, md);
+    }
+    MOD_END(addr);
+    return(addr);
+}
+
+/*
+ * Load the information expected by an alpha kernel.
+ *
+ * - The kernel environment is copied into kernel space.
+ * - Module metadata are formatted and placed in kernel space.
+ */
+int
+bi_load(struct bootinfo_v1 *bi, vm_offset_t *ffp_save,
+	struct loaded_module *mp)
+{
+    struct loaded_module	*xp;
+    vm_offset_t			addr, bootinfo_addr;
+    u_int			pad;
+    vm_offset_t			ssym, esym;
+    struct module_metadata	*md;
+
+    ssym = esym = 0;
+    if ((md = mod_findmetadata(mp, MODINFOMD_SSYM)) != NULL)
+	ssym = *((vm_offset_t *)&(md->md_data));
+    if ((md = mod_findmetadata(mp, MODINFOMD_ESYM)) != NULL)
+	esym = *((vm_offset_t *)&(md->md_data));
+    if (ssym == 0 || esym == 0)
+	ssym = esym = 0;		/* sanity */
+
+    bi->ssym = ssym;
+    bi->esym = esym;
+
+    /* find the last module in the chain */
+    addr = 0;
+    for (xp = mod_findmodule(NULL, NULL); xp != NULL; xp = xp->m_next) {
+	if (addr < (xp->m_addr + xp->m_size))
+	    addr = xp->m_addr + xp->m_size;
+    }
+    /* pad to a page boundary */
+    pad = (u_int)addr & PAGE_MASK;
+    if (pad != 0) {
+	pad = PAGE_SIZE - pad;
+	addr += pad;
+    }
+
+    /* copy our environment */
+    bi->envp = (char *)addr;
+    addr = bi_copyenv(addr);
+
+    /* pad to a page boundary */
+    pad = (u_int)addr & PAGE_MASK;
+    if (pad != 0) {
+	pad = PAGE_SIZE - pad;
+	addr += pad;
+    }
+    /* copy module list and metadata */
+    bi->modptr = addr;
+    addr = bi_copymodules(addr);
+
+    /* all done copying stuff in, save end of loaded object space */
+    bi->kernend = addr;
+
+    *ffp_save = ALPHA_K0SEG_TO_PHYS((addr + PAGE_MASK) & ~PAGE_MASK)
+	>> PAGE_SHIFT;
+    *ffp_save += 2;		/* XXX OSF/1 does this, no idea why. */
+
+    return(0);
+}
diff --git a/sys/boot/arc/lib/delay.c b/sys/boot/arc/lib/delay.c
new file mode 100644
index 0000000..67b0bf6
--- /dev/null
+++ b/sys/boot/arc/lib/delay.c
@@ -0,0 +1,38 @@
+/*-
+ * Copyright (c) 1998 Doug Rabson
+ * 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, 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 AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.
+ *
+ *	$Id$
+ */
+
+#include <errno.h>
+#include <sys/types.h>
+#include "arctypes.h"
+#include "arcfuncs.h"
+
+void
+delay(int usecs)
+{
+    StallExecution(usecs);
+}
diff --git a/sys/boot/arc/lib/devicename.c b/sys/boot/arc/lib/devicename.c
new file mode 100644
index 0000000..595c7d2
--- /dev/null
+++ b/sys/boot/arc/lib/devicename.c
@@ -0,0 +1,236 @@
+/*-
+ * Copyright (c) 1998 Michael Smith <msmith@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, 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 AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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: devicename.c,v 1.3 1998/09/26 10:51:37 dfr Exp $
+ */
+
+#include <stand.h>
+#include <string.h>
+#include <sys/disklabel.h>
+#include "bootstrap.h"
+#include "libarc.h"
+
+static int	arc_parsedev(struct arc_devdesc **dev, const char *devspec, const char **path);
+
+/* 
+ * Point (dev) at an allocated device specifier for the device matching the
+ * path in (devspec). If it contains an explicit device specification,
+ * use that.  If not, use the default device.
+ */
+int
+arc_getdev(void **vdev, const char *devspec, const char **path)
+{
+    struct arc_devdesc **dev = (struct arc_devdesc **)vdev;
+    int				rv;
+    
+    /*
+     * If it looks like this is just a path and no
+     * device, go with the current device.
+     */
+    if ((devspec == NULL) || 
+	(devspec[0] == '/') || 
+	(strchr(devspec, ':') == NULL)) {
+
+	if (((rv = arc_parsedev(dev, getenv("currdev"), NULL)) == 0) &&
+	    (path != NULL))
+		*path = devspec;
+	return(rv);
+    }
+    
+    /*
+     * Try to parse the device name off the beginning of the devspec
+     */
+    return(arc_parsedev(dev, devspec, path));
+}
+
+/*
+ * Point (dev) at an allocated device specifier matching the string version
+ * at the beginning of (devspec).  Return a pointer to the remaining
+ * text in (path).
+ *
+ * In all cases, the beginning of (devspec) is compared to the names
+ * of known devices in the device switch, and then any following text
+ * is parsed according to the rules applied to the device type.
+ *
+ * For disk-type devices, the syntax is:
+ *
+ * disk<unit>[s<slice>][<partition>]:
+ * 
+ */
+static int
+arc_parsedev(struct arc_devdesc **dev, const char *devspec, const char **path)
+{
+    struct arc_devdesc *idev;
+    struct devsw	*dv;
+    int			i, unit, slice, partition, err;
+    char		*cp;
+    const char		*np;
+
+    /* minimum length check */
+    if (strlen(devspec) < 2)
+	return(EINVAL);
+
+    /* look for a device that matches */
+    for (i = 0, dv = NULL; devsw[i] != NULL; i++) {
+	if (!strncmp(devspec, devsw[i]->dv_name, strlen(devsw[i]->dv_name))) {
+	    dv = devsw[i];
+	    break;
+	}
+    }
+
+    if (dv == NULL)
+	return(ENOENT);
+    idev = malloc(sizeof(struct arc_devdesc));
+    err = 0;
+    np = (devspec + strlen(dv->dv_name));
+        
+    switch(dv->dv_type) {
+    case DEVT_NONE:			/* XXX what to do here?  Do we care? */
+	break;
+
+    case DEVT_DISK:
+	unit = -1;
+	slice = -1;
+	partition = -1;
+	if (*np && (*np != ':')) {
+	    unit = strtol(np, &cp, 10);	/* next comes the unit number */
+	    if (cp == np) {
+		err = EUNIT;
+		goto fail;
+	    }
+	    if (*cp == 's') {		/* got a slice number */
+		np = cp + 1;
+		slice = strtol(np, &cp, 10);
+		if (cp == np) {
+		    err = ESLICE;
+		    goto fail;
+		}
+	    }
+	    if (*cp && (*cp != ':')) {
+		partition = *cp - 'a';		/* get a partition number */
+		if ((partition < 0) || (partition >= MAXPARTITIONS)) {
+		    err = EPART;
+		    goto fail;
+		}
+		cp++;
+	    }
+	}
+	if (*cp && (*cp != ':')) {
+	    err = EINVAL;
+	    goto fail;
+	}
+
+	idev->d_kind.arcdisk.unit = unit;
+	idev->d_kind.arcdisk.slice = slice;
+	idev->d_kind.arcdisk.partition = partition;
+	if (path != NULL)
+	    *path = (*cp == 0) ? cp : cp + 1;
+	break;
+	
+    case DEVT_NET:
+	unit = 0;
+	
+	if (*np && (*np != ':')) {
+	    unit = strtol(np, &cp, 0);	/* get unit number if present */
+	    if (cp == np) {
+		err = EUNIT;
+		goto fail;
+	    }
+	}
+	if (*cp && (*cp != ':')) {
+	    err = EINVAL;
+	    goto fail;
+	}
+	
+	idev->d_kind.netif.unit = unit;
+	if (path != NULL)
+	    *path = (*cp == 0) ? cp : cp + 1;
+	break;
+
+    default:
+	err = EINVAL;
+	goto fail;
+    }
+    idev->d_dev = dv;
+    idev->d_type = dv->dv_type;
+    if (dev == NULL) {
+	free(idev);
+    } else {
+	*dev = idev;
+    }
+    return(0);
+
+ fail:
+    free(idev);
+    return(err);
+}
+
+
+char *
+arc_fmtdev(void *vdev)
+{
+    struct arc_devdesc	*dev = (struct arc_devdesc *)vdev;
+    static char		buf[128];	/* XXX device length constant? */
+    char		*cp;
+    
+    switch(dev->d_type) {
+    case DEVT_NONE:
+	strcpy(buf, "(no device)");
+	break;
+
+    case DEVT_DISK:
+	cp = buf;
+	cp += sprintf(cp, "%s%d", dev->d_dev->dv_name, dev->d_kind.arcdisk.unit);
+	if (dev->d_kind.arcdisk.slice > 0)
+	    cp += sprintf(cp, "s%d", dev->d_kind.arcdisk.slice);
+	if (dev->d_kind.arcdisk.partition >= 0)
+	    cp += sprintf(cp, "%c", dev->d_kind.arcdisk.partition + 'a');
+	strcat(cp, ":");
+	break;
+
+    case DEVT_NET:
+	sprintf(buf, "%s%d:", dev->d_dev->dv_name, dev->d_kind.netif.unit);
+	break;
+    }
+    return(buf);
+}
+
+
+/*
+ * Set currdev to suit the value being supplied in (value)
+ */
+int
+arc_setcurrdev(struct env_var *ev, int flags, void *value)
+{
+    struct arc_devdesc	*ncurr;
+    int			rv;
+    
+    if ((rv = arc_parsedev(&ncurr, value, NULL)) != 0)
+	return(rv);
+    free(ncurr);
+    env_setenv(ev->ev_name, flags | EV_NOHOOK, value, NULL, NULL);
+    return(0);
+}
+
diff --git a/sys/boot/arc/lib/elf_freebsd.c b/sys/boot/arc/lib/elf_freebsd.c
new file mode 100644
index 0000000..8463759
--- /dev/null
+++ b/sys/boot/arc/lib/elf_freebsd.c
@@ -0,0 +1,143 @@
+/* $Id: elf_freebsd.c,v 1.6 1998/10/15 21:55:58 dfr Exp $ */
+/* $NetBSD: loadfile.c,v 1.10 1998/06/25 06:45:46 ross Exp $ */
+
+/*-
+ * Copyright (c) 1997 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
+ * NASA Ames Research Center.
+ *
+ * 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, 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.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the NetBSD
+ *	Foundation, Inc. and its contributors.
+ * 4. Neither the name of The NetBSD Foundation nor the names of its
+ *    contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``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 FOUNDATION OR CONTRIBUTORS
+ * 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.
+ */
+
+/*
+ * Copyright (c) 1992, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Ralph Campbell.
+ *
+ * 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, 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.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
+ *
+ *	@(#)boot.c	8.1 (Berkeley) 6/10/93
+ */
+
+#include <stand.h>
+#include <string.h>
+
+#include <sys/param.h>
+#include <sys/linker.h>
+#include <machine/elf.h>
+#include <machine/prom.h>
+#include <machine/rpb.h>
+#include <machine/bootinfo.h>
+
+#include "bootstrap.h"
+
+#define _KERNEL
+
+static int	elf_exec(struct loaded_module *amp);
+int		bi_load(struct bootinfo_v1 *, vm_offset_t *,
+			struct loaded_module *);
+
+struct module_format alpha_elf = { elf_loadmodule, elf_exec };
+
+vm_offset_t ffp_save, ptbr_save;
+
+static int
+elf_exec(struct loaded_module *mp)
+{
+#if 0
+    static struct bootinfo_v1	bootinfo_v1;
+    struct module_metadata	*md;
+    Elf_Ehdr			*hdr;
+    int				err;
+
+    if ((md = mod_findmetadata(mp, MODINFOMD_ELFHDR)) == NULL)
+	return(EFTYPE);			/* XXX actually EFUCKUP */
+    hdr = (Elf_Ehdr *)&(md->md_data);
+
+    /* XXX ffp_save does not appear to be used in the kernel.. */
+    bzero(&bootinfo_v1, sizeof(bootinfo_v1));
+    err = bi_load(&bootinfo_v1, &ffp_save, mp);
+    if (err)
+	return(err);
+
+    /*
+     * Fill in the bootinfo for the kernel.
+     */
+    strncpy(bootinfo_v1.booted_kernel, mp->m_name,
+	    sizeof(bootinfo_v1.booted_kernel));
+    prom_getenv(PROM_E_BOOTED_OSFLAGS, bootinfo_v1.boot_flags,
+		sizeof(bootinfo_v1.boot_flags));
+    bootinfo_v1.hwrpb = (void *)HWRPB_ADDR;
+    bootinfo_v1.hwrpbsize = ((struct rpb *)HWRPB_ADDR)->rpb_size;
+    bootinfo_v1.cngetc = NULL;
+    bootinfo_v1.cnputc = NULL;
+    bootinfo_v1.cnpollc = NULL;
+
+    printf("Entering %s at 0x%lx...\n", mp->m_name, hdr->e_entry);
+    exit(0);
+    closeall();
+    alpha_pal_imb();
+    (*(void (*)())hdr->e_entry)(ffp_save, ptbr_save,
+			       BOOTINFO_MAGIC, &bootinfo_v1, 1, 0);
+#endif
+}
+
+
+
diff --git a/sys/boot/arc/lib/module.c b/sys/boot/arc/lib/module.c
new file mode 100644
index 0000000..367bf0c
--- /dev/null
+++ b/sys/boot/arc/lib/module.c
@@ -0,0 +1,48 @@
+/*-
+ * Copyright (c) 1998 Michael Smith <msmith@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, 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 AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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: alpha_module.c,v 1.2 1998/08/31 21:10:40 msmith Exp $
+ */
+
+/*
+ * alpha-specific module functionality.
+ *
+ */
+
+#include <stand.h>
+#include <string.h>
+
+#include "bootstrap.h"
+#include "libarc.h"
+
+/*
+ * Use voodoo to load modules required by current hardware.
+ */
+int
+arc_autoload(void)
+{
+    /* XXX use PnP to locate stuff here */
+    return(0);
+}
diff --git a/sys/boot/arc/lib/prom.c b/sys/boot/arc/lib/prom.c
new file mode 100644
index 0000000..abf2d39
--- /dev/null
+++ b/sys/boot/arc/lib/prom.c
@@ -0,0 +1,39 @@
+/*
+ * 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.
+ *
+ * $Id$
+ *
+ */
+
+#define	PROM_E_BOOTED_DEV	"XXX1"
+#define	PROM_E_BOOTED_FILE	"XXX2"
+#define	PROM_E_BOOTED_OSFLAGS	"XXX3"
+#define	PROM_E_TTY_DEV		"XXX4"
+
+u_int64_t
+prom_getenv(PROM_E_BOOTED_FILE, bootfile, sizeof(bootfile))
+{
+
+}
diff --git a/sys/boot/arc/lib/setjmperr.c b/sys/boot/arc/lib/setjmperr.c
new file mode 100644
index 0000000..c68ca02
--- /dev/null
+++ b/sys/boot/arc/lib/setjmperr.c
@@ -0,0 +1,38 @@
+/*-
+ * Copyright (c) 1998 Doug Rabson
+ * 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, 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 AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.
+ *
+ *	$Id$
+ */
+
+#include <errno.h>
+#include <sys/types.h>
+#include "arctypes.h"
+#include "arcfuncs.h"
+
+void
+longjmperror()
+{
+    panic("longjmp botch.\n");
+}
diff --git a/sys/boot/arc/lib/time.c b/sys/boot/arc/lib/time.c
new file mode 100644
index 0000000..8158970
--- /dev/null
+++ b/sys/boot/arc/lib/time.c
@@ -0,0 +1,41 @@
+/*-
+ * Copyright (c) 1998 Doug Rabson
+ * 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, 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 AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.
+ *
+ *	$Id$
+ */
+
+#include <errno.h>
+#include <sys/types.h>
+#include "arctypes.h"
+#include "arcfuncs.h"
+
+time_t
+time(time_t *tloc)
+{
+    int secs = GetRelativeTime();
+    if (tloc)
+	*tloc = secs;
+    return secs;
+}
diff --git a/sys/boot/arc/loader/Makefile b/sys/boot/arc/loader/Makefile
new file mode 100644
index 0000000..8463b88
--- /dev/null
+++ b/sys/boot/arc/loader/Makefile
@@ -0,0 +1,90 @@
+#	$NetBSD: Makefile,v 1.12 1998/02/19 14:18:36 drochner Exp $
+
+BASE= 		loader
+PROG= 		${BASE}
+NOMAN=
+NEWVERSWHAT=	"ARC disk boot" ${MACHINE_ARCH}
+
+.PATH:		${.CURDIR}/../common
+
+# i386-specific bootstrap sources
+SRCS+=		main.c conf.c
+
+# Always add MI sources 
+.PATH:		${.CURDIR}/../../common
+.include	<${.CURDIR}/../../common/Makefile.inc>
+CFLAGS+=	-mno-fp-regs
+CFLAGS+=	-I${.CURDIR}/../../common -I${.CURDIR}
+CFLAGS+=	-I${.CURDIR}/../../.. -I.
+CFLAGS+=	-DLOADER
+
+CLEANFILES+=	vers.c vers.o gensetdefs.o gensetdefs setdef0.o setdef1.o \
+		setdefs.h start.o
+CLEANFILES+=	${BASE} ${BASE}.sym ${BASE}.list
+
+CFLAGS+=	-Wall
+
+CFLAGS+=	-I${LIBSTANDDIR}
+CFLAGS+=	-I${.CURDIR}/../include
+CRT=		start.o
+STRIP=
+BINDIR?=	/boot
+LOAD_ADDRESS?=	0xffffffff80900000
+
+all: ${BASE}.exe
+
+vers.o: ${.CURDIR}/../../common/newvers.sh ${.CURDIR}/version
+	sh ${.CURDIR}/../../common/newvers.sh ${.CURDIR}/version ${NEWVERSWHAT}
+	${CC} -c vers.c
+
+${BASE}.exe: ${BASE} ${BASE}.help
+	elf2exe ${BASE}.sym ${BASE}.exe
+
+#${BASE}: ${OBJS} ${LIBSTAND} ${LIBARC} ${CRT} vers.o setdef0.o setdef1.o
+#	${LD} -o ${BASE}.sym -M -e __start -N -Ttext ${LOAD_ADDRESS} \
+#	${CRT} setdef0.o ${OBJS} setdef1.o \
+#	vers.o ${LIBSTAND} ${LIBARC} ${LIBSTAND} >${.OBJDIR}/${BASE}.list
+
+${BASE}: ${OBJS} ${LIBSTAND} ${LIBARC} ${CRT} vers.o setdef0.o setdef1.o
+	${LD} -o ${BASE}.sym -M -N -Ttext ${LOAD_ADDRESS} \
+	${CRT} setdef0.o ${OBJS} setdef1.o \
+	vers.o ${LIBSTAND} ${LIBARC} ${LIBSTAND} >${.OBJDIR}/${BASE}.list
+
+${BASE}.help: help.common help.alpha
+	cat ${.ALLSRC} | awk -f ${.CURDIR}/../../common/merge_help.awk > ${.TARGET}
+
+beforeinstall:
+.if exists(${.OBJDIR}/loader.help)
+	${INSTALL} -C -o ${BINOWN} -g ${BINGRP} -m 444 \
+		${.OBJDIR}/${BASE}.help ${DESTDIR}/boot
+.else
+	${INSTALL} -C -o ${BINOWN} -g ${BINGRP} -m 444 \
+		${.CURDIR}/${BASE}.help ${DESTDIR}/boot
+.endif
+
+# Other fragments still to be brought in from ../Makfile.booters?
+start.o:	${.CURDIR}/../lib/arch/${MACHINE}/start.S
+	${CC} -c ${CFLAGS} $<
+
+setdef0.o: setdefs.h
+
+setdef1.o: setdefs.h
+
+machine:
+	ln -sf ${.CURDIR}/../../../alpha/include machine
+
+CLEANFILES+=	machine setdefs.h gensetdefs ${BASE} ${BASE}.exe loader.help
+
+.include <bsd.prog.mk>
+
+setdefs.h: gensetdefs ${OBJS}
+	@echo Generating linker sets
+	@./gensetdefs ${OBJS} >setdefs.h
+
+gensetdefs: gensetdefs.o
+	${CC} -static gensetdefs.o -o $@
+
+gensetdefs.o: gensetdefs.c
+	${CC} -c $<
+
+beforedepend ${OBJS}: machine
diff --git a/sys/boot/arc/loader/conf.c b/sys/boot/arc/loader/conf.c
new file mode 100644
index 0000000..1b5384c
--- /dev/null
+++ b/sys/boot/arc/loader/conf.c
@@ -0,0 +1,85 @@
+/*
+ * $Id: conf.c,v 1.2 1998/08/31 21:10:36 msmith Exp $
+ * From	$NetBSD: conf.c,v 1.2 1997/03/22 09:03:29 thorpej Exp $	 
+ */
+
+/*
+ * Copyright (c) 1997
+ *	Matthias Drochner.  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, 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.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed for the NetBSD Project
+ *	by Matthias Drochner.
+ * 4. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * 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.
+ */
+
+
+#include <stand.h>
+#include "libarc.h"
+
+/*
+ * We could use linker sets for some or all of these, but
+ * then we would have to control what ended up linked into
+ * the bootstrap.  So it's easier to conditionalise things
+ * here.
+ *
+ * XXX rename these arrays to be consistent and less namespace-hostile
+ */
+
+/* Exported for libstand */
+struct devsw *devsw[] = {
+    &arcdisk,
+    NULL
+};
+
+struct fs_ops *file_system[] = {
+    &ufs_fsops,
+    &zipfs_fsops,
+    NULL
+};
+
+/* Exported for alpha only */
+/* 
+ * Sort formats so that those that can detect based on arguments
+ * rather than reading the file go first.
+ */
+extern struct module_format alpha_elf;
+
+struct module_format *module_formats[] = {
+    &alpha_elf,
+    NULL
+};
+
+/* 
+ * Consoles 
+ *
+ * We don't prototype these in libalpha.h because they require
+ * data structures from bootstrap.h as well.
+ */
+extern struct console arcconsole;
+
+struct console *consoles[] = {
+    &arcconsole,
+    NULL
+};
diff --git a/sys/boot/arc/loader/help.alpha b/sys/boot/arc/loader/help.alpha
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/sys/boot/arc/loader/help.alpha
diff --git a/sys/boot/arc/loader/main.c b/sys/boot/arc/loader/main.c
new file mode 100644
index 0000000..ea0165b
--- /dev/null
+++ b/sys/boot/arc/loader/main.c
@@ -0,0 +1,405 @@
+/*-
+ * Copyright (c) 1998 Michael Smith <msmith@freebsd.org>
+ * Copyright (c) 1998 Doug Rabson <dfr@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, 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 AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.
+ *
+ *	$Id$
+ */
+
+
+#include <stand.h>
+#include <string.h>
+#include <setjmp.h>
+
+#include <sys/param.h>
+#include "bootstrap.h"
+#include "libarc.h"
+#include "arctypes.h"
+#include "arcfuncs.h"
+
+extern	char bootprog_name[], bootprog_rev[], bootprog_date[], bootprog_maker[];
+
+struct arc_devdesc	currdev;	/* our current device */
+struct arch_switch	archsw;		/* MI/MD interface boundary */
+
+extern char end[];
+extern void halt(void);
+
+#define	ARCENV_BOOTFILE		"OSLoadFilename"
+
+static char *MemoryTypes[] = {
+    "MemoryExceptionBlock",
+    "MemorySystemBlock",
+    "MemoryFree",
+    "MemoryBad",
+    "MemoryLoadedProgram",
+    "MemoryFirmwareTemporary",
+    "MemoryFirmwarePermanent",
+    "MemoryFreeContiguous",
+    "MemorySpecialMemory",
+    "MemoryMaximum",
+};
+
+#ifdef __alpha__
+#define ptob(p)	((p) << 13)
+#endif
+
+unsigned long
+memsize()
+{
+    unsigned long amount = 0;
+    MEMORY_DESCRIPTOR *desc;
+
+    for (desc = GetMemoryDescriptor(NULL); desc;
+	 desc = GetMemoryDescriptor(desc)) {
+	printf("%s at %x-%x\n", MemoryTypes[desc->Type],
+	       ptob(desc->BasePage),
+	       ptob(desc->BasePage + desc->PageCount));
+	if (desc->Type == MemoryFree
+	    || desc->Type == MemoryFirmwareTemporary)
+	    amount += (desc->PageCount << 13); /* XXX pagesize */
+    }
+
+    return amount;
+}
+
+static char *ConfigurationClasses[] = {
+    "SystemClass",
+    "ProcessorClass",
+    "CacheClass",
+    "AdapterClass",
+    "ControllerClass",
+    "PeripheralClass",
+    "MemoryClass",
+    "MaximumClass",
+};
+
+
+static char *ConfigurationTypes[] = {
+    "ArcSystem",
+    "CentralProcessor",
+    "FloatingPointProcessor",
+    "PrimaryIcache",
+    "PrimaryDcache",
+    "SecondaryIcache",
+    "SecondaryDcache",
+    "SecondaryCache",
+    "EisaAdapter",
+    "TcAdapter",
+    "ScsiAdapter",
+    "DtiAdapter",
+    "MultiFunctionAdapter",
+    "DiskController",
+    "TapeController",
+    "CdromController",
+    "WormController",
+    "SerialController",
+    "NetworkController",
+    "DisplayController",
+    "ParallelController",
+    "PointerController",
+    "KeyboardController",
+    "AudioController",
+    "OtherController",
+    "DiskPeripheral",
+    "FloppyDiskPeripheral",
+    "TapePeripheral",
+    "ModemPeripheral",
+    "MonitorPeripheral",
+    "PrinterPeripheral",
+    "PointerPeripheral",
+    "KeyboardPeripheral",
+    "TerminalPeripheral",
+    "OtherPeripheral",
+    "LinePeripheral",
+    "NetworkPeripheral",
+    "SystemMemory",
+    "MaximumType",
+};
+
+static char *ConfigurationTypeCodes[] = {
+    "ARC",
+    "CPU",
+    "FPC",
+    "PrimaryIcache",
+    "PrimaryDcache",
+    "SecondaryIcache",
+    "SecondaryDcache",
+    "SecondaryCache",
+    "eisa",
+    "TcAdapter",		/* XXX ? */
+    "scsi",
+    "DtiAdapter",		/* XXX ? */
+    "multi",
+    "disk",
+    "TapeController",		/* XXX ? */
+    "CdromController",		/* XXX ? */
+    "WormController",		/* XXX ? */
+    "serial",
+    "NetworkController",	/* XXX ? */
+    "video",
+    "par",
+    "PointerController",	/* XXX ? */
+    "key",
+    "AudioController",		/* XXX ? */
+    "OtherController",		/* XXX ? */
+    "rdisk",
+    "fdisk",
+    "TapePeripheral",		/* XXX ? */
+    "ModemPeripheral",		/* XXX ? */
+    "MonitorPeripheral",	/* XXX ? */
+    "PrinterPeripheral",	/* XXX ? */
+    "PointerPeripheral",	/* XXX ? */
+    "keyboard",
+    "TerminalPeripheral",	/* XXX ? */
+    "OtherPeripheral",		/* XXX ? */
+    "LinePeripheral",		/* XXX ? */
+    "NetworkPeripheral",	/* XXX ? */
+    "Memory",
+    "MaximumType"
+};
+
+static void
+indent(int level)
+{
+    while (level--)
+	putchar(' ');
+}
+
+void
+printconfig(unsigned int level, CONFIGURATION_COMPONENT *component)
+{
+    CONFIGURATION_COMPONENT *child;
+
+    indent(level);
+    printf("%s(%s,%d)",
+	   ConfigurationClasses[component->Class],
+	   ConfigurationTypes[component->Type],
+	   component->Key);
+#if 1
+    if (component->IdentifierLength)
+    	printf("=%d,%s\n", component->IdentifierLength,
+	       ptr(component->Identifier));
+    else
+	putchar('\n');
+#endif
+    getchar();
+    
+    for (child = GetChild(component); child; child = GetPeer(child)) {
+	printconfig(level + 2, child);
+    }
+}
+
+void
+dumpdisk(const char *name)
+{
+    u_int32_t fd, count;
+    unsigned char buf[512];
+    int i, j;
+
+    printf("dump first sector of %s\n", name);
+    if (Open(name, OpenReadOnly, &fd) != ESUCCESS) {
+	printf("can't open disk\n");
+	return;
+    }
+    if (Read(fd, buf, 512, &count) != ESUCCESS) {
+	printf("can't read from disk\n");
+	Close(fd);
+	return;
+    }
+    for (i = 0; i < 16; i++) {
+	for (j = 0; j < 32; j++)
+	    printf("%02x", buf[i*32 + j]);
+	putchar('\n');
+    }
+    Close(fd);
+}
+
+void
+listdisks(char *path, CONFIGURATION_COMPONENT *component)
+{
+    CONFIGURATION_COMPONENT *child;
+    char newpath[80];
+    char keybuf[20];
+
+    if (path == NULL) {
+	printf("\nARC disk devices:\n");
+	newpath[0] = '\0';
+    } else {
+	strcpy(newpath, path);
+	strcat(newpath, ConfigurationTypeCodes[component->Type]);
+	sprintf(keybuf, "(%d)", component->Key);
+	strcat(newpath, keybuf);
+    }
+    if (!strcmp(ConfigurationTypeCodes[component->Type], "rdisk") ||
+	!strcmp(ConfigurationTypeCodes[component->Type], "fdisk")) {
+	printf("%s\n", newpath);
+    }
+    for (child = GetChild(component); child; child = GetPeer(child)) {
+	listdisks(newpath, child);
+    }
+}
+
+static int exit_code = 0;
+jmp_buf exit_env;
+
+void
+exit(int code)
+{
+    exit_code = 0;
+    longjmp(exit_env, 1);
+}
+
+int
+main(int argc, int argv[], int envp[])
+{
+    int		i;
+    char	*bootfile;
+    
+    if (setjmp(exit_env))
+	return exit_code;
+
+    /* 
+     * Initialise the heap as early as possible.  Once this is done,
+     * alloc() is usable. The stack is buried inside us, so this is
+     * safe.
+     */
+    setheap((void *)end, (void *)(end + 512*1024));
+
+    /* 
+     * XXX Chicken-and-egg problem; we want to have console output
+     * early, but some console attributes may depend on reading from
+     * eg. the boot device, which we can't do yet.  We can use
+     * printf() etc. once this is done.
+     */
+    cons_probe();
+
+#if 0
+    printconfig(0, GetChild(NULL));
+    dumpdisk("scsi(0)disk(0)rdisk(0)partition(0)");
+#endif
+    listdisks(NULL, GetChild(NULL));
+    printf("\n");
+
+    make_rpb();
+
+    /*
+     * Initialise the block cache
+     */
+    bcache_init(32, 512);	/* 16k XXX tune this */
+
+    /*
+     * March through the device switch probing for things.
+     */
+    for (i = 0; devsw[i] != NULL; i++)
+	if (devsw[i]->dv_init != NULL)
+	    (devsw[i]->dv_init)();
+
+    printf("\n");
+    printf("%s, Revision %s\n", bootprog_name, bootprog_rev);
+    printf("(%s, %s)\n", bootprog_maker, bootprog_date);
+    printf("Memory: %ld k\n", memsize() / 1024);
+    
+    /* We're booting from an SRM disk, try to spiff this */
+    /* XXX presumes that biosdisk is first in devsw */
+    currdev.d_dev = devsw[0];
+    currdev.d_type = currdev.d_dev->dv_type;
+    currdev.d_kind.arcdisk.unit = 0;
+    /* XXX should be able to detect this, default to autoprobe */
+    currdev.d_kind.arcdisk.slice = -1;
+    /* default to 'a' */
+    currdev.d_kind.arcdisk.partition = 0;
+
+    /* Create arc-specific variables */
+    bootfile = GetEnvironmentVariable(ARCENV_BOOTFILE);
+    if (bootfile)
+	setenv("bootfile", bootfile, 1);
+
+    env_setenv("currdev", EV_VOLATILE,
+	       arc_fmtdev(&currdev), arc_setcurrdev, env_nounset);
+    env_setenv("loaddev", EV_VOLATILE,
+	       arc_fmtdev(&currdev), env_noset, env_nounset);
+    setenv("LINES", "24", 1);				/* optional */
+    
+    archsw.arch_autoload = arc_autoload;
+    archsw.arch_getdev = arc_getdev;
+    archsw.arch_copyin = arc_copyin;
+    archsw.arch_copyout = arc_copyout;
+    archsw.arch_readin = arc_readin;
+
+    interact();			/* doesn't return */
+
+    return 0;			/* keep compiler happy */
+}
+
+COMMAND_SET(reboot, "reboot", "reboot the system", command_reboot);
+
+static int
+command_reboot(int argc, char *argv[])
+{
+
+    printf("Rebooting...\n");
+    delay(1000000);
+    FwReboot();
+    /* Note: we shouldn't get to this point! */
+    panic("Reboot failed!");
+    exit(0);
+}
+
+COMMAND_SET(quit, "quit", "exit the loader", command_quit);
+
+static int
+command_quit(int argc, char *argv[])
+{
+    exit(0);
+    return(CMD_OK);
+}
+
+#if 0
+
+COMMAND_SET(stack, "stack", "show stack usage", command_stack);
+
+static int
+command_stack(int argc, char *argv[])
+{
+    char	*cp;
+
+    for (cp = &stackbase; cp < &stacktop; cp++)
+	if (*cp != 0)
+	    break;
+    
+    printf("%d bytes of stack used\n", &stacktop - cp);
+    return(CMD_OK);
+}
+
+#endif
+
+COMMAND_SET(heap, "heap", "show heap usage", command_heap);
+
+static int
+command_heap(int argc, char *argv[])
+{
+    printf("heap base at %p, top at %p, used %ld\n", end, sbrk(0), sbrk(0) - end);
+    return(CMD_OK);
+}
diff --git a/sys/boot/arc/loader/setdef0.c b/sys/boot/arc/loader/setdef0.c
new file mode 100644
index 0000000..79874ea
--- /dev/null
+++ b/sys/boot/arc/loader/setdef0.c
@@ -0,0 +1,49 @@
+/*-
+ * Copyright (c) 1997 John D. Polstra
+ * 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, 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 AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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: setdef0.c,v 1.1.1.1 1998/08/21 03:17:42 msmith Exp $
+ */
+
+#ifdef __ELF__
+
+#include <sys/param.h>
+#include <sys/kernel.h>
+
+/*
+ * DEFINE_SET creates the section and label for a set, and emits the
+ * count word at the front of it.
+ */
+#define DEFINE_SET(set, count)				\
+	__asm__(".section .set." #set ",\"aw\"");	\
+	__asm__(".globl " #set);			\
+	__asm__(".type " #set ",@object");		\
+	__asm__(".p2align 3");				\
+	__asm__(#set ":");				\
+	__asm__(".quad " #count);			\
+	__asm__(".previous")
+
+#include "setdefs.h"		/* Contains a `DEFINE_SET' for each set */
+
+#endif	/* __ELF__ */
diff --git a/sys/boot/arc/loader/setdef1.c b/sys/boot/arc/loader/setdef1.c
new file mode 100644
index 0000000..9fffaf7
--- /dev/null
+++ b/sys/boot/arc/loader/setdef1.c
@@ -0,0 +1,41 @@
+/*-
+ * Copyright (c) 1997 John D. Polstra
+ * 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, 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 AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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: setdef1.c,v 1.1.1.1 1998/08/21 03:17:42 msmith Exp $
+ */
+
+#ifdef __ELF__
+
+/*
+ * DEFINE_SET emits the NULL terminator for a set.
+ */
+#define DEFINE_SET(set, count)				\
+	__asm__(".section .set." #set ",\"aw\"");	\
+	__asm__(".quad 0");				\
+	__asm__(".previous")
+
+#include "setdefs.h"		/* Contains a `DEFINE_SET' for each set */
+
+#endif /* __ELF__ */
diff --git a/sys/boot/arc/loader/version b/sys/boot/arc/loader/version
new file mode 100644
index 0000000..23262b9
--- /dev/null
+++ b/sys/boot/arc/loader/version
@@ -0,0 +1,7 @@
+$Id: version,v 1.1.1.1 1998/08/21 03:17:42 msmith Exp $
+
+NOTE ANY CHANGES YOU MAKE TO THE BOOTBLOCKS HERE.  The format of this
+file is important.  Make sure the current version number is on line 6.
+
+0.1:	Initial i386 version, germinated from the NetBSD i386
+	standalone, but enormously modified.