| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131 | #ifndef _MCF_PGTABLE_H#define _MCF_PGTABLE_H#include <asm/mcfmmu.h>#include <asm/page.h>/* * MMUDR bits, in proper place. We write these directly into the MMUDR * after masking from the pte. */#define CF_PAGE_LOCKED		MMUDR_LK	/* 0x00000002 */#define CF_PAGE_EXEC		MMUDR_X		/* 0x00000004 */#define CF_PAGE_WRITABLE	MMUDR_W		/* 0x00000008 */#define CF_PAGE_READABLE	MMUDR_R		/* 0x00000010 */#define CF_PAGE_SYSTEM		MMUDR_SP	/* 0x00000020 */#define CF_PAGE_COPYBACK	MMUDR_CM_CCB	/* 0x00000040 */#define CF_PAGE_NOCACHE		MMUDR_CM_NCP	/* 0x00000080 */#define CF_CACHEMASK		(~MMUDR_CM_CCB)#define CF_PAGE_MMUDR_MASK	0x000000fe#define _PAGE_NOCACHE030	CF_PAGE_NOCACHE/* * MMUTR bits, need shifting down. */#define CF_PAGE_MMUTR_MASK	0x00000c00#define CF_PAGE_MMUTR_SHIFT	10#define CF_PAGE_VALID		(MMUTR_V << CF_PAGE_MMUTR_SHIFT)#define CF_PAGE_SHARED		(MMUTR_SG << CF_PAGE_MMUTR_SHIFT)/* * Fake bits, not implemented in CF, will get masked out before * hitting hardware. */#define CF_PAGE_DIRTY		0x00000001#define CF_PAGE_FILE		0x00000200#define CF_PAGE_ACCESSED	0x00001000#define _PAGE_CACHE040		0x020   /* 68040 cache mode, cachable, copyback */#define _PAGE_NOCACHE_S		0x040   /* 68040 no-cache mode, serialized */#define _PAGE_NOCACHE		0x060   /* 68040 cache mode, non-serialized */#define _PAGE_CACHE040W		0x000   /* 68040 cache mode, cachable, write-through */#define _DESCTYPE_MASK		0x003#define _CACHEMASK040		(~0x060)#define _PAGE_GLOBAL040		0x400   /* 68040 global bit, used for kva descs *//* * Externally used page protection values. */#define _PAGE_PRESENT	(CF_PAGE_VALID)#define _PAGE_ACCESSED	(CF_PAGE_ACCESSED)#define _PAGE_DIRTY	(CF_PAGE_DIRTY)#define _PAGE_READWRITE (CF_PAGE_READABLE \				| CF_PAGE_WRITABLE \				| CF_PAGE_SYSTEM \				| CF_PAGE_SHARED)/* * Compound page protection values. */#define PAGE_NONE	__pgprot(CF_PAGE_VALID \				 | CF_PAGE_ACCESSED)#define PAGE_SHARED     __pgprot(CF_PAGE_VALID \				 | CF_PAGE_ACCESSED \				 | CF_PAGE_SHARED)#define PAGE_INIT	__pgprot(CF_PAGE_VALID \				 | CF_PAGE_READABLE \				 | CF_PAGE_WRITABLE \				 | CF_PAGE_EXEC \				 | CF_PAGE_SYSTEM)#define PAGE_KERNEL	__pgprot(CF_PAGE_VALID \				 | CF_PAGE_ACCESSED \				 | CF_PAGE_READABLE \				 | CF_PAGE_WRITABLE \				 | CF_PAGE_EXEC \				 | CF_PAGE_SYSTEM \				 | CF_PAGE_SHARED)#define PAGE_COPY	__pgprot(CF_PAGE_VALID \				 | CF_PAGE_ACCESSED \				 | CF_PAGE_READABLE \				 | CF_PAGE_DIRTY)/* * Page protections for initialising protection_map. See mm/mmap.c * for use. In general, the bit positions are xwr, and P-items are * private, the S-items are shared. */#define __P000		PAGE_NONE#define __P001		__pgprot(CF_PAGE_VALID \				 | CF_PAGE_ACCESSED \				 | CF_PAGE_READABLE)#define __P010		__pgprot(CF_PAGE_VALID \				 | CF_PAGE_ACCESSED \				 | CF_PAGE_WRITABLE)#define __P011		__pgprot(CF_PAGE_VALID \				 | CF_PAGE_ACCESSED \				 | CF_PAGE_READABLE \				 | CF_PAGE_WRITABLE)#define __P100		__pgprot(CF_PAGE_VALID \				 | CF_PAGE_ACCESSED \				 | CF_PAGE_EXEC)#define __P101		__pgprot(CF_PAGE_VALID \				 | CF_PAGE_ACCESSED \				 | CF_PAGE_READABLE \				 | CF_PAGE_EXEC)#define __P110		__pgprot(CF_PAGE_VALID \				 | CF_PAGE_ACCESSED \				 | CF_PAGE_WRITABLE \				 | CF_PAGE_EXEC)#define __P111		__pgprot(CF_PAGE_VALID \				 | CF_PAGE_ACCESSED \				 | CF_PAGE_READABLE \				 | CF_PAGE_WRITABLE \				 | CF_PAGE_EXEC)#define __S000		PAGE_NONE#define __S001		__pgprot(CF_PAGE_VALID \				 | CF_PAGE_ACCESSED \				 | CF_PAGE_READABLE)#define __S010		PAGE_SHARED#define __S011		__pgprot(CF_PAGE_VALID \				 | CF_PAGE_ACCESSED \				 | CF_PAGE_SHARED \				 | CF_PAGE_READABLE)#define __S100		__pgprot(CF_PAGE_VALID \
 |