Differential D2535 Diff 20392 sys/mips/include/param.h

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sys/mips/include/param.h

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	#endif			#endif
	#define NBPDR (1 << PDRSHIFT) /* bytes/pagedir */			#define NBPDR (1 << PDRSHIFT) /* bytes/pagedir */
	#define SEGMASK (NBSEG - 1) /* byte offset into segment */			#define SEGMASK (NBSEG - 1) /* byte offset into segment */

	#define MAXPAGESIZES 1 /* max supported pagesizes */			#define MAXPAGESIZES 1 /* max supported pagesizes */

	#define MAXDUMPPGS 1 /* xxx: why is this only one? */			#define MAXDUMPPGS 1 /* xxx: why is this only one? */

				#ifdef KSTACK_LARGE_PAGE
	/*			/*
				* For a large kernel stack page the KSTACK_SIZE needs to be a page size
				* supported by the hardware (e.g. 16K).
				*/
				#define KSTACK_SIZE (1 << 14) /* Single 16K page */
				#define KSTACK_PAGE_SIZE KSTACK_SIZE
				#define KSTACK_PAGE_MASK (KSTACK_PAGE_SIZE - 1)
				#define KSTACK_PAGES (KSTACK_SIZE / PAGE_SIZE)
				#define KSTACK_TLBMASK_MASK ((KSTACK_PAGE_MASK >> (TLBMASK_SHIFT - 1)) \
				<< TLBMASK_SHIFT)
				#define KSTACK_GUARD_PAGES ((KSTACK_PAGE_SIZE * 2) / PAGE_SIZE)

				#else /* ! KSTACK_LARGE_PAGE */

				/*
	* The kernel stack needs to be aligned on a (PAGE_SIZE * 2) boundary.			* The kernel stack needs to be aligned on a (PAGE_SIZE * 2) boundary.
	*/			*/
	#define KSTACK_PAGES 2 /* kernel stack */			#define KSTACK_PAGES 2 /* kernel stack */
				#define KSTACK_SIZE (KSTACK_PAGES * PAGE_SIZE)
				#define KSTACK_PAGE_SIZE PAGE_SIZE
				#define KSTACK_PAGE_MASK (PAGE_SIZE - 1)
	#define KSTACK_GUARD_PAGES 2 /* pages of kstack guard; 0 disables */			#define KSTACK_GUARD_PAGES 2 /* pages of kstack guard; 0 disables */
				#endif /* ! KSTACK_LARGE_PAGE */

	/*			/*
	* Mach derived conversion macros			* Mach derived conversion macros
	*/			*/
	#define round_page(x) (((x) + PAGE_MASK) & ~PAGE_MASK)			#define round_page(x) (((x) + PAGE_MASK) & ~PAGE_MASK)
	#define trunc_page(x) ((x) & ~PAGE_MASK)			#define trunc_page(x) ((x) & ~PAGE_MASK)
				#define round_2mpage(x) (((x) + PDRMASK) & ~PDRMASK)
				#define trunc_2mpage(x) ((x) & ~PDRMASK)

	#define atop(x) ((x) >> PAGE_SHIFT)			#define atop(x) ((x) >> PAGE_SHIFT)
	#define ptoa(x) ((x) << PAGE_SHIFT)			#define ptoa(x) ((x) << PAGE_SHIFT)

	#define pgtok(x) ((x) * (PAGE_SIZE / 1024))			#define pgtok(x) ((x) * (PAGE_SIZE / 1024))

	#ifdef _KERNEL			#ifdef _KERNEL
	#define NO_FUEWORD 1			#define NO_FUEWORD 1
	#endif			#endif

	#endif /* !_MIPS_INCLUDE_PARAM_H_ */			#endif /* !_MIPS_INCLUDE_PARAM_H_ */