From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- arch/sparc/include/asm/pgalloc_32.h | 77 +++++++++++++++++++++++++++++++++++++ 1 file changed, 77 insertions(+) create mode 100644 arch/sparc/include/asm/pgalloc_32.h (limited to 'arch/sparc/include/asm/pgalloc_32.h') diff --git a/arch/sparc/include/asm/pgalloc_32.h b/arch/sparc/include/asm/pgalloc_32.h new file mode 100644 index 000000000..4f73e87b2 --- /dev/null +++ b/arch/sparc/include/asm/pgalloc_32.h @@ -0,0 +1,77 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _SPARC_PGALLOC_H +#define _SPARC_PGALLOC_H + +#include +#include +#include + +#include +#include +#include + +struct page; + +void *srmmu_get_nocache(int size, int align); +void srmmu_free_nocache(void *addr, int size); + +extern struct resource sparc_iomap; + +pgd_t *get_pgd_fast(void); +static inline void free_pgd_fast(pgd_t *pgd) +{ + srmmu_free_nocache(pgd, SRMMU_PGD_TABLE_SIZE); +} + +#define pgd_free(mm, pgd) free_pgd_fast(pgd) +#define pgd_alloc(mm) get_pgd_fast() + +static inline void pud_set(pud_t * pudp, pmd_t * pmdp) +{ + unsigned long pa = __nocache_pa(pmdp); + + set_pte((pte_t *)pudp, __pte((SRMMU_ET_PTD | (pa >> 4)))); +} + +#define pud_populate(MM, PGD, PMD) pud_set(PGD, PMD) + +static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, + unsigned long address) +{ + return srmmu_get_nocache(SRMMU_PMD_TABLE_SIZE, + SRMMU_PMD_TABLE_SIZE); +} + +static inline void free_pmd_fast(pmd_t * pmd) +{ + srmmu_free_nocache(pmd, SRMMU_PMD_TABLE_SIZE); +} + +#define pmd_free(mm, pmd) free_pmd_fast(pmd) +#define __pmd_free_tlb(tlb, pmd, addr) pmd_free((tlb)->mm, pmd) + +#define pmd_populate(mm, pmd, pte) pmd_set(pmd, pte) + +void pmd_set(pmd_t *pmdp, pte_t *ptep); +#define pmd_populate_kernel pmd_populate + +pgtable_t pte_alloc_one(struct mm_struct *mm); + +static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm) +{ + return srmmu_get_nocache(SRMMU_PTE_TABLE_SIZE, + SRMMU_PTE_TABLE_SIZE); +} + + +static inline void free_pte_fast(pte_t *pte) +{ + srmmu_free_nocache(pte, SRMMU_PTE_TABLE_SIZE); +} + +#define pte_free_kernel(mm, pte) free_pte_fast(pte) + +void pte_free(struct mm_struct * mm, pgtable_t pte); +#define __pte_free_tlb(tlb, pte, addr) pte_free((tlb)->mm, pte) + +#endif /* _SPARC_PGALLOC_H */ -- cgit v1.2.3