1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * Copyright (C) 2008-2009 Michal Simek <monstr@monstr.eu> 4*4882a593Smuzhiyun * Copyright (C) 2008-2009 PetaLogix 5*4882a593Smuzhiyun * Copyright (C) 2006 Atmark Techno, Inc. 6*4882a593Smuzhiyun */ 7*4882a593Smuzhiyun 8*4882a593Smuzhiyun #ifndef _ASM_MICROBLAZE_PGALLOC_H 9*4882a593Smuzhiyun #define _ASM_MICROBLAZE_PGALLOC_H 10*4882a593Smuzhiyun 11*4882a593Smuzhiyun #ifdef CONFIG_MMU 12*4882a593Smuzhiyun 13*4882a593Smuzhiyun #include <linux/kernel.h> /* For min/max macros */ 14*4882a593Smuzhiyun #include <linux/highmem.h> 15*4882a593Smuzhiyun #include <linux/pgtable.h> 16*4882a593Smuzhiyun #include <asm/setup.h> 17*4882a593Smuzhiyun #include <asm/io.h> 18*4882a593Smuzhiyun #include <asm/page.h> 19*4882a593Smuzhiyun #include <asm/cache.h> 20*4882a593Smuzhiyun 21*4882a593Smuzhiyun #define __HAVE_ARCH_PTE_ALLOC_ONE_KERNEL 22*4882a593Smuzhiyun #include <asm-generic/pgalloc.h> 23*4882a593Smuzhiyun 24*4882a593Smuzhiyun extern void __bad_pte(pmd_t *pmd); 25*4882a593Smuzhiyun get_pgd(void)26*4882a593Smuzhiyunstatic inline pgd_t *get_pgd(void) 27*4882a593Smuzhiyun { 28*4882a593Smuzhiyun return (pgd_t *)__get_free_pages(GFP_KERNEL|__GFP_ZERO, 0); 29*4882a593Smuzhiyun } 30*4882a593Smuzhiyun 31*4882a593Smuzhiyun #define pgd_alloc(mm) get_pgd() 32*4882a593Smuzhiyun 33*4882a593Smuzhiyun #define pmd_pgtable(pmd) pmd_page(pmd) 34*4882a593Smuzhiyun 35*4882a593Smuzhiyun extern pte_t *pte_alloc_one_kernel(struct mm_struct *mm); 36*4882a593Smuzhiyun 37*4882a593Smuzhiyun #define __pte_free_tlb(tlb, pte, addr) pte_free((tlb)->mm, (pte)) 38*4882a593Smuzhiyun 39*4882a593Smuzhiyun #define pmd_populate(mm, pmd, pte) \ 40*4882a593Smuzhiyun (pmd_val(*(pmd)) = (unsigned long)page_address(pte)) 41*4882a593Smuzhiyun 42*4882a593Smuzhiyun #define pmd_populate_kernel(mm, pmd, pte) \ 43*4882a593Smuzhiyun (pmd_val(*(pmd)) = (unsigned long) (pte)) 44*4882a593Smuzhiyun 45*4882a593Smuzhiyun #endif /* CONFIG_MMU */ 46*4882a593Smuzhiyun 47*4882a593Smuzhiyun #endif /* _ASM_MICROBLAZE_PGALLOC_H */ 48