Differential D5991 Diff 15515 sys/arm/include/param.h

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sys/arm/include/param.h

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	/*			/*
	* CACHE_LINE_SIZE is the compile-time maximum cache line size for an			* CACHE_LINE_SIZE is the compile-time maximum cache line size for an
	* architecture. It should be used with appropriate caution.			* architecture. It should be used with appropriate caution.
	*/			*/
	#define CACHE_LINE_SHIFT 6			#define CACHE_LINE_SHIFT 6
	#define CACHE_LINE_SIZE (1 << CACHE_LINE_SHIFT)			#define CACHE_LINE_SIZE (1 << CACHE_LINE_SHIFT)

	#define PAGE_SHIFT 12			#define PAGE_SHIFT 12
				#ifndef PAGE_SIZE
	#define PAGE_SIZE (1 << PAGE_SHIFT) /* Page size */			#define PAGE_SIZE (1 << PAGE_SHIFT) /* Page size */
				#endif
	#define PAGE_MASK (PAGE_SIZE - 1)			#define PAGE_MASK (PAGE_SIZE - 1)

	#define PDR_SHIFT 20 /* log2(NBPDR) */			#define PDR_SHIFT 20 /* log2(NBPDR) */
	#define NBPDR (1 << PDR_SHIFT)			#define NBPDR (1 << PDR_SHIFT)
	#define PDRMASK (NBPDR - 1)			#define PDRMASK (NBPDR - 1)
	#define NPDEPG (1 << (32 - PDR_SHIFT))			#define NPDEPG (1 << (32 - PDR_SHIFT))

	#define MAXPAGESIZES 2 /* maximum number of supported page sizes */			#define MAXPAGESIZES 2 /* maximum number of supported page sizes */

	#ifndef KSTACK_PAGES			#ifndef KSTACK_PAGES
	#define KSTACK_PAGES 2			#define KSTACK_PAGES 2
	#endif /* !KSTACK_PAGES */			#endif /* !KSTACK_PAGES */

	#ifndef FPCONTEXTSIZE			#ifndef FPCONTEXTSIZE
	#define FPCONTEXTSIZE (0x100)			#define FPCONTEXTSIZE (0x100)
	#endif			#endif

	#ifndef KSTACK_GUARD_PAGES			#ifndef KSTACK_GUARD_PAGES
	#define KSTACK_GUARD_PAGES 1			#define KSTACK_GUARD_PAGES 1
	#endif /* !KSTACK_GUARD_PAGES */			#endif /* !KSTACK_GUARD_PAGES */
				#define AUX_RESCUE_STACK_SIZE PAGE_SIZE

	#define USPACE_SVC_STACK_TOP (kstack_pages * PAGE_SIZE)			#define USPACE_SVC_STACK_TOP (kstack_pages * PAGE_SIZE)

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