This is machparam.h in view mode; [Download] [Up]
/*
* Copyright (c) 1993 NeXT, Inc. All rights reserved.
*
* HISTORY
*
* 12-Jul-93 Mac Gillon at NeXT
* Created from i386 version.
*/
#ifndef _HPPA_MACHPARAM_
#define _HPPA_MACHPARAM_
#import <mach/vm_param.h>
/*
* Machine dependent 'constants'.
*/
#define NBPG PAGE_SIZE /* bytes/page */
#define PGOFSET (NBPG-1) /* byte offset into page */
#define PGSHIFT PAGE_SHIFT /* LOG2(NBPG) */
#define CLSIZE 1
#define CLSIZELOG2 0
/* FIXME - we may not need this */
#define SSIZE 4 /* initial stack size/NBPG */
#define SINCR 4 /* increment of stack/NBPG */
#define USIZE 3 /* number of ptes needed to map uarea */
/* USIZE must be sizeof(struct u) */
/* rounded up to nearest page + 1 */
#define STACKSIZE 4 /* pages in kernel stack */
#define UPAGES (USIZE+STACKSIZE) /* total pages in u-area */
/* red zone is beyond this */
/*
* Some macros for units conversion
*/
/* Core clicks (NeXT_page_size bytes) to segments and vice versa */
#define ctos(x) (x)
#define stoc(x) (x)
/* clicks to bytes */
#define ctob(x) ((x) << PGSHIFT)
/* bytes to clicks */
#define btoc(x) ((((unsigned)(x)+PGOFSET) >> PGSHIFT))
/*
* Decode privilege level for HP Precision Architecture.
*/
#define PC_PRIV_MASK 3
#define PC_PRIV_KERN 0
#define PC_PRIV_USER 3
#define USERMODE(ssp) (((((struct pcb_entry_state *)ssp)->es_pcoq_front) & PC_PRIV_MASK) != PC_PRIV_KERN)
#define BASEPRI(ssp) (((struct pcb_entry_state *)ssp)->es_eiem == SPL0)
#if defined(KERNEL) || defined(STANDALONE)
#define DELAY(n) us_spin(n)
#else
#define DELAY(n) { register int N = (n); while (--N > 0); }
#endif
#endif
These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.