/* SPDX-License-Identifier: GPL-2.0 */
|
#ifndef _SPARC_PGALLOC_H
|
#define _SPARC_PGALLOC_H
|
|
#include <linux/kernel.h>
|
#include <linux/sched.h>
|
#include <linux/pgtable.h>
|
|
#include <asm/pgtsrmmu.h>
|
#include <asm/vaddrs.h>
|
#include <asm/page.h>
|
|
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)
|
#define pmd_pgtable(pmd) (pgtable_t)__pmd_page(pmd)
|
|
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 */
|
