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Revision 1.1.1.1 (vendor branch), Tue Mar 4 16:05:15 2008 UTC (16 years, 3 months ago) by nbrk
Branch: OPENBSD_4_2_BASE, MAIN
CVS Tags: jornada-partial-support-wip, HEAD
Changes since 1.1: +0 -0 lines 

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: ieeefp.h,v 1.1 2004/02/01 05:09:49 drahn Exp $	*/
/*	$NetBSD: ieeefp.h,v 1.1 2001/01/10 19:02:06 bjh21 Exp $	*/

/* 
 * Based on ieeefp.h written by J.T. Conklin, Apr 28, 1995
 * Public domain.
 */

#ifndef _ARM32_IEEEFP_H_
#define _ARM32_IEEEFP_H_

/* FP exception codes */

#define FP_EXCEPT_INV	0
#define FP_EXCEPT_DZ	1
#define FP_EXCEPT_OFL	2
#define FP_EXCEPT_UFL	3
#define FP_EXCEPT_IMP	4

/* Exception type (used by fpsetmask() et al.) */

typedef int fp_except;

/* Bit defines for fp_except */

#define	FP_X_INV	(1 << FP_EXCEPT_INV)	/* invalid operation exception */
#define	FP_X_DZ		(1 << FP_EXCEPT_DZ)	/* divide-by-zero exception */
#define	FP_X_OFL	(1 << FP_EXCEPT_OFL)	/* overflow exception */
#define	FP_X_UFL	(1 << FP_EXCEPT_UFL)	/* underflow exception */
#define	FP_X_IMP	(1 << FP_EXCEPT_IMP)	/* imprecise (loss of precision; "inexact") */

/* Rounding modes */

typedef enum {
    FP_RN=0,			/* round to nearest representable number */
    FP_RP=1,			/* round toward positive infinity */
    FP_RM=2,			/* round toward negative infinity */
    FP_RZ=3			/* round to zero (truncate) */
} fp_rnd;

#endif /* _ARM32_IEEEFP_H_ */