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97 lines
2.1 KiB
97 lines
2.1 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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#ifndef _MOTOROLA_PGALLOC_H |
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#define _MOTOROLA_PGALLOC_H |
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#include <asm/tlb.h> |
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#include <asm/tlbflush.h> |
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extern void mmu_page_ctor(void *page); |
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extern void mmu_page_dtor(void *page); |
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enum m68k_table_types { |
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TABLE_PGD = 0, |
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TABLE_PMD = 0, /* same size as PGD */ |
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TABLE_PTE = 1, |
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}; |
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extern void init_pointer_table(void *table, int type); |
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extern void *get_pointer_table(int type); |
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extern int free_pointer_table(void *table, int type); |
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/* |
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* Allocate and free page tables. The xxx_kernel() versions are |
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* used to allocate a kernel page table - this turns on ASN bits |
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* if any. |
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*/ |
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static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm) |
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{ |
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return get_pointer_table(TABLE_PTE); |
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} |
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static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte) |
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{ |
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free_pointer_table(pte, TABLE_PTE); |
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} |
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static inline pgtable_t pte_alloc_one(struct mm_struct *mm) |
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{ |
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return get_pointer_table(TABLE_PTE); |
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} |
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static inline void pte_free(struct mm_struct *mm, pgtable_t pgtable) |
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{ |
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free_pointer_table(pgtable, TABLE_PTE); |
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} |
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static inline void __pte_free_tlb(struct mmu_gather *tlb, pgtable_t pgtable, |
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unsigned long address) |
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{ |
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free_pointer_table(pgtable, TABLE_PTE); |
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} |
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static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address) |
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{ |
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return get_pointer_table(TABLE_PMD); |
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} |
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static inline int pmd_free(struct mm_struct *mm, pmd_t *pmd) |
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{ |
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return free_pointer_table(pmd, TABLE_PMD); |
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} |
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static inline int __pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmd, |
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unsigned long address) |
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{ |
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return free_pointer_table(pmd, TABLE_PMD); |
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} |
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static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd) |
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{ |
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free_pointer_table(pgd, TABLE_PGD); |
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} |
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static inline pgd_t *pgd_alloc(struct mm_struct *mm) |
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{ |
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return get_pointer_table(TABLE_PGD); |
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} |
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static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd, pte_t *pte) |
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{ |
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pmd_set(pmd, pte); |
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} |
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static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd, pgtable_t page) |
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{ |
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pmd_set(pmd, page); |
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} |
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static inline void pud_populate(struct mm_struct *mm, pud_t *pud, pmd_t *pmd) |
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{ |
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pud_set(pud, pmd); |
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} |
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#endif /* _MOTOROLA_PGALLOC_H */
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