1*b2441318SGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 */ 2e44d6c40SPaul Mundt #ifndef __ASM_SH_PGTABLE_2LEVEL_H 3e44d6c40SPaul Mundt #define __ASM_SH_PGTABLE_2LEVEL_H 4e44d6c40SPaul Mundt 5e44d6c40SPaul Mundt #include <asm-generic/pgtable-nopmd.h> 6e44d6c40SPaul Mundt 7e44d6c40SPaul Mundt /* 8e44d6c40SPaul Mundt * traditional two-level paging structure 9e44d6c40SPaul Mundt */ 10e44d6c40SPaul Mundt #define PAGETABLE_LEVELS 2 11e44d6c40SPaul Mundt 12e44d6c40SPaul Mundt /* PTE bits */ 13e44d6c40SPaul Mundt #define PTE_MAGNITUDE 2 /* 32-bit PTEs */ 14e44d6c40SPaul Mundt 15e44d6c40SPaul Mundt #define PTE_SHIFT PAGE_SHIFT 16e44d6c40SPaul Mundt #define PTE_BITS (PTE_SHIFT - PTE_MAGNITUDE) 17e44d6c40SPaul Mundt 18e44d6c40SPaul Mundt /* PGD bits */ 19e44d6c40SPaul Mundt #define PGDIR_SHIFT (PTE_SHIFT + PTE_BITS) 20e44d6c40SPaul Mundt 21e44d6c40SPaul Mundt #define PTRS_PER_PGD (PAGE_SIZE / (1 << PTE_MAGNITUDE)) 22e44d6c40SPaul Mundt #define USER_PTRS_PER_PGD (TASK_SIZE/PGDIR_SIZE) 23e44d6c40SPaul Mundt 24e44d6c40SPaul Mundt #endif /* __ASM_SH_PGTABLE_2LEVEL_H */ 25