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Power 6/32 Unix version 1.2b

/*	pte.h	1.7	 8/24/82		*/

/*
 * TAHOE page table entry
*/



#define	PG_V		0x80000000
#define	PG_PROT		0x78000000
#define	PG_M		0x04000000
#define	PG_USED		0x02000000
#define	PG_NC		0x01000000
#define	PG_PFNUM	0x003fffff


#define	PG_NOACC	0
#define	PG_KR		0x40000000
#define	PG_KW		0x60000000
#define	PG_URKR		0x50000000
#define	PG_URKW		0x70000000
#define	PG_UW		0x78000000

/*
 * Pte related macros
 */
#define	dirty(pte)	((pte)->pg_fod == 0 && (pte)->pg_pfnum && \
			    ((pte)->pg_m || (pte)->pg_swapm))

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