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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_POWERPC_NOHASH_32_PTE_FSL_BOOKE_H
#define _ASM_POWERPC_NOHASH_32_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.
*/
/* 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_RW 0x00004 /* S: Write permission (SW) */
#define _PAGE_DIRTY 0x00008 /* S: Page dirty */
#define _PAGE_EXEC 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 */
#define _PMD_PRESENT 0
#define _PMD_PRESENT_MASK (PAGE_MASK)
#define _PMD_BAD (~PAGE_MASK)
#define PTE_WIMGE_SHIFT (6)
#endif /* __KERNEL__ */
#endif /* _ASM_POWERPC_NOHASH_32_PTE_FSL_BOOKE_H */
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