| 1 |
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| 2 | #ifndef _SPARC_PGALLOC_H
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| 3 | #define _SPARC_PGALLOC_H
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| 4 |
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| 5 | #include <linux/kernel.h>
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| 6 | #include <linux/sched.h>
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| 7 | #include <linux/pgtable.h>
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| 8 |
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| 9 | #include <asm/pgtsrmmu.h>
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| 10 | #include <asm/vaddrs.h>
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| 11 | #include <asm/page.h>
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| 12 |
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| 13 | struct page;
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| 14 |
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| 15 | void *srmmu_get_nocache(int size, int align);
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| 16 | void srmmu_free_nocache(void *addr, int size);
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| 17 |
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| 18 | extern struct resource sparc_iomap;
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| 19 |
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| 20 | pgd_t *get_pgd_fast(void);
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| 21 | static inline void free_pgd_fast(pgd_t *pgd)
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| 22 | {
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| 23 | srmmu_free_nocache(pgd, SRMMU_PGD_TABLE_SIZE);
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| 24 | }
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| 25 |
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| 26 | #define pgd_free(mm, pgd) free_pgd_fast(pgd)
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| 27 | #define pgd_alloc(mm) get_pgd_fast()
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| 28 |
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| 29 | static inline void pud_set(pud_t * pudp, pmd_t * pmdp)
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| 30 | {
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| 31 | unsigned long pa = __nocache_pa(pmdp);
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| 32 |
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| 33 | set_pte((pte_t *)pudp, __pte((SRMMU_ET_PTD | (pa >> 4))));
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| 34 | }
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| 35 |
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| 36 | #define pud_populate(MM, PGD, PMD) pud_set(PGD, PMD)
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| 37 |
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| 38 | static inline pmd_t *pmd_alloc_one(struct mm_struct *mm,
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| 39 | unsigned long address)
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| 40 | {
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| 41 | return srmmu_get_nocache(SRMMU_PMD_TABLE_SIZE,
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| 42 | SRMMU_PMD_TABLE_SIZE);
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| 43 | }
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| 44 |
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| 45 | static inline void free_pmd_fast(pmd_t * pmd)
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| 46 | {
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| 47 | srmmu_free_nocache(pmd, SRMMU_PMD_TABLE_SIZE);
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| 48 | }
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| 49 |
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| 50 | #define pmd_free(mm, pmd) free_pmd_fast(pmd)
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| 51 | #define __pmd_free_tlb(tlb, pmd, addr) pmd_free((tlb)->mm, pmd)
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| 52 |
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| 53 | #define pmd_populate(mm, pmd, pte) pmd_set(pmd, pte)
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| 54 |
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| 55 | void pmd_set(pmd_t *pmdp, pte_t *ptep);
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| 56 | #define pmd_populate_kernel pmd_populate
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| 57 |
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| 58 | pgtable_t pte_alloc_one(struct mm_struct *mm);
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| 59 |
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| 60 | static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm)
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| 61 | {
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| 62 | return srmmu_get_nocache(SRMMU_PTE_TABLE_SIZE,
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| 63 | SRMMU_PTE_TABLE_SIZE);
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| 64 | }
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| 65 |
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| 66 |
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| 67 | static inline void free_pte_fast(pte_t *pte)
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| 68 | {
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| 69 | srmmu_free_nocache(pte, SRMMU_PTE_TABLE_SIZE);
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| 70 | }
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| 71 |
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| 72 | #define pte_free_kernel(mm, pte) free_pte_fast(pte)
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| 73 |
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| 74 | void pte_free(struct mm_struct * mm, pgtable_t pte);
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| 75 | #define __pte_free_tlb(tlb, pte, addr) pte_free((tlb)->mm, pte)
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| 76 |
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| 77 | #endif
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