162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0 */ 262306a36Sopenharmony_ci/* 362306a36Sopenharmony_ci * Copyright (C) 2008-2009 Michal Simek <monstr@monstr.eu> 462306a36Sopenharmony_ci * Copyright (C) 2008-2009 PetaLogix 562306a36Sopenharmony_ci * Copyright (C) 2006 Atmark Techno, Inc. 662306a36Sopenharmony_ci */ 762306a36Sopenharmony_ci 862306a36Sopenharmony_ci#ifndef _ASM_MICROBLAZE_PGALLOC_H 962306a36Sopenharmony_ci#define _ASM_MICROBLAZE_PGALLOC_H 1062306a36Sopenharmony_ci 1162306a36Sopenharmony_ci#include <linux/kernel.h> /* For min/max macros */ 1262306a36Sopenharmony_ci#include <linux/highmem.h> 1362306a36Sopenharmony_ci#include <linux/pgtable.h> 1462306a36Sopenharmony_ci#include <asm/setup.h> 1562306a36Sopenharmony_ci#include <asm/io.h> 1662306a36Sopenharmony_ci#include <asm/page.h> 1762306a36Sopenharmony_ci#include <asm/cache.h> 1862306a36Sopenharmony_ci 1962306a36Sopenharmony_ci#define __HAVE_ARCH_PTE_ALLOC_ONE_KERNEL 2062306a36Sopenharmony_ci#include <asm-generic/pgalloc.h> 2162306a36Sopenharmony_ci 2262306a36Sopenharmony_ciextern void __bad_pte(pmd_t *pmd); 2362306a36Sopenharmony_ci 2462306a36Sopenharmony_cistatic inline pgd_t *get_pgd(void) 2562306a36Sopenharmony_ci{ 2662306a36Sopenharmony_ci return (pgd_t *)__get_free_pages(GFP_KERNEL|__GFP_ZERO, 0); 2762306a36Sopenharmony_ci} 2862306a36Sopenharmony_ci 2962306a36Sopenharmony_ci#define pgd_alloc(mm) get_pgd() 3062306a36Sopenharmony_ci 3162306a36Sopenharmony_ciextern pte_t *pte_alloc_one_kernel(struct mm_struct *mm); 3262306a36Sopenharmony_ci 3362306a36Sopenharmony_ci#define __pte_free_tlb(tlb, pte, addr) pte_free((tlb)->mm, (pte)) 3462306a36Sopenharmony_ci 3562306a36Sopenharmony_ci#define pmd_populate(mm, pmd, pte) \ 3662306a36Sopenharmony_ci (pmd_val(*(pmd)) = (unsigned long)page_address(pte)) 3762306a36Sopenharmony_ci 3862306a36Sopenharmony_ci#define pmd_populate_kernel(mm, pmd, pte) \ 3962306a36Sopenharmony_ci (pmd_val(*(pmd)) = (unsigned long) (pte)) 4062306a36Sopenharmony_ci 4162306a36Sopenharmony_ci#endif /* _ASM_MICROBLAZE_PGALLOC_H */ 42