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Diffstat (limited to 'arch/score/include/asm/pgtable.h')
-rw-r--r--arch/score/include/asm/pgtable.h270
1 files changed, 0 insertions, 270 deletions
diff --git a/arch/score/include/asm/pgtable.h b/arch/score/include/asm/pgtable.h
deleted file mode 100644
index c14226be0559..000000000000
--- a/arch/score/include/asm/pgtable.h
+++ /dev/null
@@ -1,270 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef _ASM_SCORE_PGTABLE_H
-#define _ASM_SCORE_PGTABLE_H
-
-#include <linux/const.h>
-#define __ARCH_USE_5LEVEL_HACK
-#include <asm-generic/pgtable-nopmd.h>
-
-#include <asm/fixmap.h>
-#include <asm/setup.h>
-#include <asm/pgtable-bits.h>
-
-extern void load_pgd(unsigned long pg_dir);
-extern pte_t invalid_pte_table[PAGE_SIZE/sizeof(pte_t)];
-
-/* PGDIR_SHIFT determines what a third-level page table entry can map */
-#define PGDIR_SHIFT 22
-#define PGDIR_SIZE (_AC(1, UL) << PGDIR_SHIFT)
-#define PGDIR_MASK (~(PGDIR_SIZE - 1))
-
-/*
- * Entries per page directory level: we use two-level, so
- * we don't really have any PUD/PMD directory physically.
- */
-#define PGD_ORDER 0
-#define PTE_ORDER 0
-
-#define PTRS_PER_PGD 1024
-#define PTRS_PER_PTE 1024
-
-#define USER_PTRS_PER_PGD (0x80000000UL/PGDIR_SIZE)
-#define FIRST_USER_ADDRESS 0UL
-
-#define VMALLOC_START (0xc0000000UL)
-
-#define PKMAP_BASE (0xfd000000UL)
-
-#define VMALLOC_END (FIXADDR_START - 2*PAGE_SIZE)
-
-#define pte_ERROR(e) \
- printk(KERN_ERR "%s:%d: bad pte %08lx.\n", \
- __FILE__, __LINE__, pte_val(e))
-#define pgd_ERROR(e) \
- printk(KERN_ERR "%s:%d: bad pgd %08lx.\n", \
- __FILE__, __LINE__, pgd_val(e))
-
-/*
- * Empty pgd/pmd entries point to the invalid_pte_table.
- */
-static inline int pmd_none(pmd_t pmd)
-{
- return pmd_val(pmd) == (unsigned long) invalid_pte_table;
-}
-
-#define pmd_bad(pmd) (pmd_val(pmd) & ~PAGE_MASK)
-
-static inline int pmd_present(pmd_t pmd)
-{
- return pmd_val(pmd) != (unsigned long) invalid_pte_table;
-}
-
-static inline void pmd_clear(pmd_t *pmdp)
-{
- pmd_val(*pmdp) = ((unsigned long) invalid_pte_table);
-}
-
-#define pte_page(x) pfn_to_page(pte_pfn(x))
-#define pte_pfn(x) ((unsigned long)((x).pte >> PAGE_SHIFT))
-#define pfn_pte(pfn, prot) \
- __pte(((unsigned long long)(pfn) << PAGE_SHIFT) | pgprot_val(prot))
-
-#define __pgd_offset(address) pgd_index(address)
-#define __pud_offset(address) (((address) >> PUD_SHIFT) & (PTRS_PER_PUD-1))
-#define __pmd_offset(address) (((address) >> PMD_SHIFT) & (PTRS_PER_PMD-1))
-
-/* to find an entry in a kernel page-table-directory */
-#define pgd_offset_k(address) pgd_offset(&init_mm, address)
-#define pgd_index(address) (((address) >> PGDIR_SHIFT) & (PTRS_PER_PGD-1))
-
-/* to find an entry in a page-table-directory */
-#define pgd_offset(mm, addr) ((mm)->pgd + pgd_index(addr))
-
-/* Find an entry in the third-level page table.. */
-#define __pte_offset(address) \
- (((address) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1))
-#define pte_offset(dir, address) \
- ((pte_t *) pmd_page_vaddr(*(dir)) + __pte_offset(address))
-#define pte_offset_kernel(dir, address) \
- ((pte_t *) pmd_page_vaddr(*(dir)) + __pte_offset(address))
-
-#define pte_offset_map(dir, address) \
- ((pte_t *)page_address(pmd_page(*(dir))) + __pte_offset(address))
-#define pte_unmap(pte) ((void)(pte))
-
-#define __pte_to_swp_entry(pte) \
- ((swp_entry_t) { pte_val(pte)})
-#define __swp_entry_to_pte(x) ((pte_t) {(x).val})
-
-#define pmd_phys(pmd) __pa((void *)pmd_val(pmd))
-#define pmd_page(pmd) (pfn_to_page(pmd_phys(pmd) >> PAGE_SHIFT))
-#define mk_pte(page, prot) pfn_pte(page_to_pfn(page), prot)
-static inline pte_t pte_mkspecial(pte_t pte) { return pte; }
-
-#define set_pte(pteptr, pteval) (*(pteptr) = pteval)
-#define set_pte_at(mm, addr, ptep, pteval) set_pte(ptep, pteval)
-#define pte_clear(mm, addr, xp) \
- do { set_pte_at(mm, addr, xp, __pte(0)); } while (0)
-
-/*
- * The "pgd_xxx()" functions here are trivial for a folded two-level
- * setup: the pgd is never bad, and a pmd always exists (as it's folded
- * into the pgd entry)
- */
-#define pgd_present(pgd) (1)
-#define pgd_none(pgd) (0)
-#define pgd_bad(pgd) (0)
-#define pgd_clear(pgdp) do { } while (0)
-
-#define kern_addr_valid(addr) (1)
-#define pmd_page_vaddr(pmd) pmd_val(pmd)
-
-#define pte_none(pte) (!(pte_val(pte) & ~_PAGE_GLOBAL))
-#define pte_present(pte) (pte_val(pte) & _PAGE_PRESENT)
-
-#define PAGE_NONE __pgprot(_PAGE_PRESENT | _PAGE_CACHE)
-#define PAGE_SHARED __pgprot(_PAGE_PRESENT | _PAGE_READ | _PAGE_WRITE | \
- _PAGE_CACHE)
-#define PAGE_COPY __pgprot(_PAGE_PRESENT | _PAGE_READ | _PAGE_CACHE)
-#define PAGE_READONLY __pgprot(_PAGE_PRESENT | _PAGE_READ | _PAGE_CACHE)
-#define PAGE_KERNEL __pgprot(_PAGE_PRESENT | __READABLE | __WRITEABLE | \
- _PAGE_GLOBAL | _PAGE_CACHE)
-#define PAGE_KERNEL_UNCACHED __pgprot(_PAGE_PRESENT | __READABLE | \
- __WRITEABLE | _PAGE_GLOBAL & ~_PAGE_CACHE)
-
-#define __P000 PAGE_NONE
-#define __P001 PAGE_READONLY
-#define __P010 PAGE_COPY
-#define __P011 PAGE_COPY
-#define __P100 PAGE_READONLY
-#define __P101 PAGE_READONLY
-#define __P110 PAGE_COPY
-#define __P111 PAGE_COPY
-
-#define __S000 PAGE_NONE
-#define __S001 PAGE_READONLY
-#define __S010 PAGE_SHARED
-#define __S011 PAGE_SHARED
-#define __S100 PAGE_READONLY
-#define __S101 PAGE_READONLY
-#define __S110 PAGE_SHARED
-#define __S111 PAGE_SHARED
-
-#define pgprot_noncached pgprot_noncached
-
-static inline pgprot_t pgprot_noncached(pgprot_t _prot)
-{
- unsigned long prot = pgprot_val(_prot);
-
- prot = (prot & ~_CACHE_MASK);
-
- return __pgprot(prot);
-}
-
-#define __swp_type(x) ((x).val & 0x1f)
-#define __swp_offset(x) ((x).val >> 10)
-#define __swp_entry(type, offset) ((swp_entry_t){(type) | ((offset) << 10)})
-
-extern unsigned long empty_zero_page;
-extern unsigned long zero_page_mask;
-
-#define ZERO_PAGE(vaddr) \
- (virt_to_page((void *)(empty_zero_page + \
- (((unsigned long)(vaddr)) & zero_page_mask))))
-
-#define pgtable_cache_init() do {} while (0)
-
-#define arch_enter_lazy_cpu_mode() do {} while (0)
-
-static inline int pte_write(pte_t pte)
-{
- return pte_val(pte) & _PAGE_WRITE;
-}
-
-static inline int pte_dirty(pte_t pte)
-{
- return pte_val(pte) & _PAGE_MODIFIED;
-}
-
-static inline int pte_young(pte_t pte)
-{
- return pte_val(pte) & _PAGE_ACCESSED;
-}
-
-#define pte_special(pte) (0)
-
-static inline pte_t pte_wrprotect(pte_t pte)
-{
- pte_val(pte) &= ~(_PAGE_WRITE | _PAGE_SILENT_WRITE);
- return pte;
-}
-
-static inline pte_t pte_mkclean(pte_t pte)
-{
- pte_val(pte) &= ~(_PAGE_MODIFIED|_PAGE_SILENT_WRITE);
- return pte;
-}
-
-static inline pte_t pte_mkold(pte_t pte)
-{
- pte_val(pte) &= ~(_PAGE_ACCESSED|_PAGE_SILENT_READ);
- return pte;
-}
-
-static inline pte_t pte_mkwrite(pte_t pte)
-{
- pte_val(pte) |= _PAGE_WRITE;
- if (pte_val(pte) & _PAGE_MODIFIED)
- pte_val(pte) |= _PAGE_SILENT_WRITE;
- return pte;
-}
-
-static inline pte_t pte_mkdirty(pte_t pte)
-{
- pte_val(pte) |= _PAGE_MODIFIED;
- if (pte_val(pte) & _PAGE_WRITE)
- pte_val(pte) |= _PAGE_SILENT_WRITE;
- return pte;
-}
-
-static inline pte_t pte_mkyoung(pte_t pte)
-{
- pte_val(pte) |= _PAGE_ACCESSED;
- if (pte_val(pte) & _PAGE_READ)
- pte_val(pte) |= _PAGE_SILENT_READ;
- return pte;
-}
-
-#define set_pmd(pmdptr, pmdval) \
- do { *(pmdptr) = (pmdval); } while (0)
-#define pte_present(pte) (pte_val(pte) & _PAGE_PRESENT)
-
-extern unsigned long pgd_current;
-extern pgd_t swapper_pg_dir[PTRS_PER_PGD];
-extern void paging_init(void);
-
-static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
-{
- return __pte((pte_val(pte) & _PAGE_CHG_MASK) | pgprot_val(newprot));
-}
-
-extern void __update_tlb(struct vm_area_struct *vma,
- unsigned long address, pte_t pte);
-extern void __update_cache(struct vm_area_struct *vma,
- unsigned long address, pte_t pte);
-
-static inline void update_mmu_cache(struct vm_area_struct *vma,
- unsigned long address, pte_t *ptep)
-{
- pte_t pte = *ptep;
- __update_tlb(vma, address, pte);
- __update_cache(vma, address, pte);
-}
-
-#ifndef __ASSEMBLY__
-#include <asm-generic/pgtable.h>
-
-void setup_memory(void);
-#endif /* __ASSEMBLY__ */
-
-#endif /* _ASM_SCORE_PGTABLE_H */