#ifndef _ASM_POWERPC_PTE_FSL_BOOKE_H #define _ASM_POWERPC_PTE_FSL_BOOKE_H #ifdef __KERNEL__ /* PTE bit definitions for Freescale BookE SW loaded TLB MMU based * processors * MMU Assist Register 3: 32 33 34 35 36 ... 50 51 52 53 54 55 56 57 58 59 60 61 62 63 RPN...................... 0 0 U0 U1 U2 U3 UX SX UW SW UR SR - PRESENT *must* be in the bottom three bits because swap cache entries use the top 29 bits. - FILE *must* be in the bottom three bits because swap cache entries use the top 29 bits. */ /* Definitions for FSL Book-E Cores */ #define _PAGE_PRESENT 0x00001 /* S: PTE contains a translation */ #define _PAGE_USER 0x00002 /* S: User page (maps to UR) */ #define _PAGE_FILE 0x00002 /* S: when !present: nonlinear file mapping */ #define _PAGE_RW 0x00004 /* S: Write permission (SW) */ #define _PAGE_DIRTY 0x00008 /* S: Page dirty */ #define _PAGE_HWEXEC 0x00010 /* H: SX permission */ #define _PAGE_ACCESSED 0x00020 /* S: Page referenced */ #define _PAGE_ENDIAN 0x00040 /* H: E bit */ #define _PAGE_GUARDED 0x00080 /* H: G bit */ #define _PAGE_COHERENT 0x00100 /* H: M bit */ #define _PAGE_NO_CACHE 0x00200 /* H: I bit */ #define _PAGE_WRITETHRU 0x00400 /* H: W bit */ #define _PAGE_SPECIAL 0x00800 /* S: Special page */ #ifdef CONFIG_PTE_64BIT /* ERPN in a PTE never gets cleared, ignore it */ #define _PTE_NONE_MASK 0xffffffffffff0000ULL #endif #define _PMD_PRESENT 0 #define _PMD_PRESENT_MASK (PAGE_MASK) #define _PMD_BAD (~PAGE_MASK) #endif /* __KERNEL__ */ #endif /* _ASM_POWERPC_PTE_FSL_BOOKE_H */