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Import of OpenBSD 4.2 release kernel tree with initial code to support 
Jornada 720/728, StrongARM 1110-based handheld PC.
At this point kernel roots on NFS and boots into vfs_mountroot() and traps.
What is supported:
- glass console, Jornada framebuffer (jfb) works in 16bpp direct color mode
(needs some palette tweaks for non black/white/blue colors, i think)
- saic, SA11x0 interrupt controller (needs cleanup)
- sacom, SA11x0 UART (supported only as boot console for now)
- SA11x0 GPIO controller fully supported (but can't handle multiple interrupt
handlers on one gpio pin)
- sassp, SSP port on SA11x0 that attaches spibus
- Jornada microcontroller (jmcu) to control kbd, battery, etc throught
the SPI bus (wskbd attaches on jmcu, but not tested)
- tod functions seem work
- initial code for SA-1111 (chip companion) : this is TODO

Next important steps, i think:
- gpio and intc on sa1111
- pcmcia support for sa11x0 (and sa1111 help logic)
- REAL root on nfs when we have PCMCIA support (we may use any of supported pccard NICs)
- root on wd0! (using already supported PCMCIA-ATA)

/*	$OpenBSD: asm.h,v 1.7 2002/09/15 09:01:59 deraadt Exp $	*/
/*	$NetBSD: asm.h,v 1.1 1996/09/30 16:34:20 ws Exp $	*/

/*
 * Copyright (C) 1995, 1996 Wolfgang Solfrank.
 * Copyright (C) 1995, 1996 TooLs GmbH.
 * 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 by TooLs GmbH.
 * 4. The name of TooLs GmbH may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``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 TOOLS GMBH 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.
 */

#ifndef _POWERPC_ASM_H_
#define _POWERPC_ASM_H_

/* XXX */
#define TARGET_ELF

#ifdef PIC
#define PIC_PROLOGUE	XXX
#define PIC_EPILOGUE	XXX
#ifdef	__STDC__
#define PIC_PLT(x)	x ## @plt
#define PIC_GOT(x)	XXX
#define PIC_GOTOFF(x)	XXX
#else	/* not __STDC__ */
#define PIC_PLT(x)	x/**/@plt
#define PIC_GOT(x)	XXX
#define PIC_GOTOFF(x)	XXX
#endif	/* __STDC__ */
#else
#define PIC_PROLOGUE
#define PIC_EPILOGUE
#define PIC_PLT(x)	x
#define PIC_GOT(x)	x
#define PIC_GOTOFF(x)	x
#endif

#ifdef TARGET_AOUT
#ifdef __STDC__
# define _C_LABEL(x)	_ ## x
#else
# define _C_LABEL(x)	_/**/x
#endif
#endif

#ifdef TARGET_ELF
# define _C_LABEL(x)	x
#endif
#define	_ASM_LABEL(x)	x

#ifdef __STDC__
# define _TMP_LABEL(x)	.L_ ## x
#else
# define _TMP_LABEL(x)	.L_/**/x
#endif

#define _ENTRY(x) \
	.text; .align 2; .globl x; .type x,@function; x:

#ifdef PROF
# define _PROF_PROLOGUE(y)	\
	.section ".data"; \
	.align 2; \
_TMP_LABEL(y):; \
	.long 0; \
	.section ".text"; \
	mflr 0; \
	addis 11, 11, _TMP_LABEL(y)@ha; \
	stw 0, 4(1); \
	addi 0, 11,_TMP_LABEL(y)@l; \
	bl _mcount; 
#else
# define _PROF_PROLOGUE(y)
#endif

#define	ENTRY(y)	_ENTRY(_C_LABEL(y)); _PROF_PROLOGUE(y)
#define	ASENTRY(y)	_ENTRY(_ASM_LABEL(y)); _PROF_PROLOGUE(y)

#define	ASMSTR		.asciz

#define RCSID(x)	.text; .asciz x

#endif /* !_POWERPC_ASM_H_ */