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/* * Copyright (c) 1987 NeXT, Inc. * * HISTORY * * 20 April 1992 David E. Bohman at NeXT * Created from 68k version. * 21-Nov-88 Avadis Tevanian (avie) at NeXT * Moved assertion definitions to machine independent <kern/assert.h>. * * 09-Nov-86 John Seamons (jks) at NeXT * Ported to NeXT. */ #ifndef _I386_MACHPARAM_ #define _I386_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 /* * 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)) /* * Macros to decode processor status word. */ #define STATUS_WORD(rpl, ipl) (((ipl) << 8) | (rpl)) #define USERMODE(x) (((x) & 3) == 3) #define BASEPRI(x) (((x) & (255 << 8)) == 0) #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.