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78 lines
1.8 KiB
78 lines
1.8 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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#ifndef _SPARC_PGALLOC_H |
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#define _SPARC_PGALLOC_H |
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#include <linux/kernel.h> |
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#include <linux/sched.h> |
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#include <linux/pgtable.h> |
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#include <asm/pgtsrmmu.h> |
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#include <asm/vaddrs.h> |
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#include <asm/page.h> |
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struct page; |
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void *srmmu_get_nocache(int size, int align); |
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void srmmu_free_nocache(void *addr, int size); |
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extern struct resource sparc_iomap; |
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pgd_t *get_pgd_fast(void); |
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static inline void free_pgd_fast(pgd_t *pgd) |
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{ |
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srmmu_free_nocache(pgd, SRMMU_PGD_TABLE_SIZE); |
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} |
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#define pgd_free(mm, pgd) free_pgd_fast(pgd) |
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#define pgd_alloc(mm) get_pgd_fast() |
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static inline void pud_set(pud_t * pudp, pmd_t * pmdp) |
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{ |
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unsigned long pa = __nocache_pa(pmdp); |
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set_pte((pte_t *)pudp, __pte((SRMMU_ET_PTD | (pa >> 4)))); |
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} |
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#define pud_populate(MM, PGD, PMD) pud_set(PGD, PMD) |
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static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, |
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unsigned long address) |
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{ |
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return srmmu_get_nocache(SRMMU_PMD_TABLE_SIZE, |
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SRMMU_PMD_TABLE_SIZE); |
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} |
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static inline void free_pmd_fast(pmd_t * pmd) |
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{ |
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srmmu_free_nocache(pmd, SRMMU_PMD_TABLE_SIZE); |
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} |
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#define pmd_free(mm, pmd) free_pmd_fast(pmd) |
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#define __pmd_free_tlb(tlb, pmd, addr) pmd_free((tlb)->mm, pmd) |
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#define pmd_populate(mm, pmd, pte) pmd_set(pmd, pte) |
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#define pmd_pgtable(pmd) (pgtable_t)__pmd_page(pmd) |
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void pmd_set(pmd_t *pmdp, pte_t *ptep); |
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#define pmd_populate_kernel pmd_populate |
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pgtable_t pte_alloc_one(struct mm_struct *mm); |
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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 srmmu_get_nocache(SRMMU_PTE_TABLE_SIZE, |
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SRMMU_PTE_TABLE_SIZE); |
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} |
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static inline void free_pte_fast(pte_t *pte) |
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{ |
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srmmu_free_nocache(pte, SRMMU_PTE_TABLE_SIZE); |
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} |
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#define pte_free_kernel(mm, pte) free_pte_fast(pte) |
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void pte_free(struct mm_struct * mm, pgtable_t pte); |
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#define __pte_free_tlb(tlb, pte, addr) pte_free((tlb)->mm, pte) |
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#endif /* _SPARC_PGALLOC_H */
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