libc/kernel/arch-sh/asm/pgtable_64.h

/****************************************************************************
 ****************************************************************************
 ***
 ***   This header was automatically generated from a Linux kernel header
 ***   of the same name, to make information necessary for userspace to
 ***   call into the kernel available to libc.  It contains only constants,
 ***   structures, and macros generated from the original header, and thus,
 ***   contains no copyrightable information.
 ***
 ****************************************************************************
 ****************************************************************************/
#ifndef __ASM_SH_PGTABLE_64_H
#define __ASM_SH_PGTABLE_64_H

#include <linux/threads.h>
#include <asm/processor.h>
#include <asm/page.h>

#define pte_ERROR(e)   printk("%s:%d: bad pte %016Lx.\n", __FILE__, __LINE__, pte_val(e))
#define pgd_ERROR(e)   printk("%s:%d: bad pgd %08lx.\n", __FILE__, __LINE__, pgd_val(e))

#define set_pmd(pmdptr, pmdval) (*(pmdptr) = pmdval)

#define set_pte_at(mm,addr,ptep,pteval) set_pte(ptep,pteval)
#define pgd_index(address) (((address) >> PGDIR_SHIFT) & (PTRS_PER_PGD-1))
#define __pgd_offset(address) pgd_index(address)
#define pgd_offset(mm, address) ((mm)->pgd+pgd_index(address))
#define pgd_offset_k(address) pgd_offset(&init_mm, address)
#define _PMD_EMPTY 0x0
#define pmd_present(pmd_entry) (pmd_val(pmd_entry) & _PAGE_PRESENT)
#define pmd_clear(pmd_entry_p) (set_pmd((pmd_entry_p), __pmd(_PMD_EMPTY)))
#define pmd_none(pmd_entry) (pmd_val((pmd_entry)) == _PMD_EMPTY)
#define pmd_bad(pmd_entry) ((pmd_val(pmd_entry) & (~PAGE_MASK & ~_PAGE_USER)) != _KERNPG_TABLE)
#define pmd_page_vaddr(pmd_entry)   ((unsigned long) __va(pmd_val(pmd_entry) & PAGE_MASK))
#define pmd_page(pmd)   (virt_to_page(pmd_val(pmd)))
#define pte_index(address)   ((address >> PAGE_SHIFT) & (PTRS_PER_PTE - 1))
#define pte_offset_kernel(dir, addr)   ((pte_t *) ((pmd_val(*(dir))) & PAGE_MASK) + pte_index((addr)))
#define pte_offset_map(dir,addr) pte_offset_kernel(dir, addr)
#define pte_offset_map_nested(dir,addr) pte_offset_kernel(dir, addr)
#define pte_unmap(pte) do { } while (0)
#define pte_unmap_nested(pte) do { } while (0)
#ifndef __ASSEMBLY__
#define IOBASE_VADDR 0xff000000
#define IOBASE_END 0xffffffff
#define _PAGE_WT 0x001  
#define _PAGE_DEVICE 0x001  
#define _PAGE_CACHABLE 0x002  
#define _PAGE_PRESENT 0x004  
#define _PAGE_FILE 0x004  
#define _PAGE_SIZE0 0x008  
#define _PAGE_SIZE1 0x010  
#define _PAGE_SHARED 0x020  
#define _PAGE_READ 0x040  
#define _PAGE_EXECUTE 0x080  
#define _PAGE_WRITE 0x100  
#define _PAGE_USER 0x200  
#define _PAGE_DIRTY 0x400  
#define _PAGE_ACCESSED 0x800  
#define _PAGE_FLAGS_HARDWARE_MASK 0xfffffffffffff3dbLL
#ifndef _PAGE_SZHUGE
#define _PAGE_SZHUGE (0)
#endif
#define _KERNPG_TABLE (_PAGE_PRESENT | _PAGE_READ | _PAGE_WRITE |   _PAGE_EXECUTE |   _PAGE_CACHABLE | _PAGE_ACCESSED | _PAGE_DIRTY |   _PAGE_SHARED)
#define _PAGE_TABLE (_KERNPG_TABLE | _PAGE_USER)
#define _PAGE_CHG_MASK (PTE_MASK | _PAGE_ACCESSED | _PAGE_DIRTY)
#define _PAGE_COMMON (_PAGE_PRESENT | _PAGE_USER |   _PAGE_CACHABLE | _PAGE_ACCESSED)
#define PAGE_NONE __pgprot(_PAGE_CACHABLE | _PAGE_ACCESSED)
#define PAGE_SHARED __pgprot(_PAGE_COMMON | _PAGE_READ | _PAGE_WRITE |   _PAGE_SHARED)
#define PAGE_EXECREAD __pgprot(_PAGE_COMMON | _PAGE_READ | _PAGE_EXECUTE)
#define PAGE_COPY PAGE_EXECREAD
#define PAGE_READONLY __pgprot(_PAGE_COMMON | _PAGE_READ)
#define PAGE_WRITEONLY __pgprot(_PAGE_COMMON | _PAGE_WRITE)
#define PAGE_RWX __pgprot(_PAGE_COMMON | _PAGE_READ |   _PAGE_WRITE | _PAGE_EXECUTE)
#define PAGE_KERNEL __pgprot(_KERNPG_TABLE)
#define PAGE_KERNEL_NOCACHE   __pgprot(_PAGE_PRESENT | _PAGE_READ | _PAGE_WRITE |   _PAGE_EXECUTE | _PAGE_ACCESSED |   _PAGE_DIRTY | _PAGE_SHARED)
#define pgprot_noncached(x) __pgprot(((x).pgprot & ~(_PAGE_CACHABLE)) | _PAGE_DEVICE)
#define pgprot_writecombine(prot) __pgprot(pgprot_val(prot) & ~_PAGE_CACHABLE)

#define __handle_bad_pmd(x) __handle_bad_pmd_kernel(x)

#define _PTE_EMPTY 0x0
#define pte_present(x) (pte_val(x) & _PAGE_PRESENT)
#define pte_clear(mm,addr,xp) (set_pte_at(mm, addr, xp, __pte(_PTE_EMPTY)))
#define pte_none(x) (pte_val(x) == _PTE_EMPTY)

#define pte_pagenr(x) (((unsigned long) (pte_val(x)) -   __MEMORY_START) >> PAGE_SHIFT)

#define pte_page(x) (mem_map + pte_pagenr(x))

#define pages_to_mb(x) ((x) >> (20-PAGE_SHIFT))

#define mk_pte(page,pgprot)  ({   pte_t __pte;     set_pte(&__pte, __pte((((page)-mem_map) << PAGE_SHIFT) |   __MEMORY_START | pgprot_val((pgprot))));   __pte;  })
#define mk_pte_phys(physpage, pgprot)  ({ pte_t __pte; set_pte(&__pte, __pte(physpage | pgprot_val(pgprot))); __pte; })
#define __swp_type(x) (((x).val & 3) + (((x).val >> 1) & 0x3c))
#define __swp_offset(x) ((x).val >> 8)
#define __swp_entry(type, offset) ((swp_entry_t) { ((offset << 8) + ((type & 0x3c) << 1) + (type & 3)) })
#define __pte_to_swp_entry(pte) ((swp_entry_t) { pte_val(pte) })
#define __swp_entry_to_pte(x) ((pte_t) { (x).val })
#define PTE_FILE_MAX_BITS 29
#define pte_to_pgoff(pte) (pte_val(pte))
#define pgoff_to_pte(off) ((pte_t) { (off) | _PAGE_FILE })
#endif
#define pfn_pte(pfn, prot) __pte(((pfn) << PAGE_SHIFT) | pgprot_val(prot))
#define pfn_pmd(pfn, prot) __pmd(((pfn) << PAGE_SHIFT) | pgprot_val(prot))
#endif