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x86: define all _PAGE_* in terms of _PAGE_BIT_* on 64-bit

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This patch defines the _PAGE_* paging attributes in pgtable_64.h in terms of
the former defined _PAGE_BIT_* values.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Joerg Roedel 2008-01-30 13:31:02 +01:00 committed by Ingo Molnar
parent 2ba7deef09
commit 1c6f703099
1 changed files with 15 additions and 12 deletions
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27
include/asm-x86/pgtable_64.h
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@ -150,19 +150,23 @@ static inline pte_t ptep_get_and_clear_full(struct mm_struct *mm, unsigned long
#define _PAGE_BIT_ACCESSED 5
#define _PAGE_BIT_DIRTY 6
#define _PAGE_BIT_PSE 7 /* 4 MB (or 2MB) page */
#define _PAGE_BIT_FILE 6
#define _PAGE_BIT_GLOBAL 8 /* Global TLB entry PPro+ */
#define _PAGE_BIT_NX 63 /* No execute: only valid after cpuid check */
#define _PAGE_PRESENT 0x001
#define _PAGE_RW 0x002
#define _PAGE_USER 0x004
#define _PAGE_PWT 0x008
#define _PAGE_PCD 0x010
#define _PAGE_ACCESSED 0x020
#define _PAGE_DIRTY 0x040
#define _PAGE_PSE 0x080 /* 2MB page */
#define _PAGE_FILE 0x040 /* nonlinear file mapping, saved PTE; unset:swap */
#define _PAGE_GLOBAL 0x100 /* Global TLB entry */
#define _PAGE_PRESENT (_AC(1,UL)<<_PAGE_BIT_PRESENT)
#define _PAGE_RW (_AC(1,UL)<<_PAGE_BIT_RW)
#define _PAGE_USER (_AC(1,UL)<<_PAGE_BIT_USER)
#define _PAGE_PWT (_AC(1,UL)<<_PAGE_BIT_PWT)
#define _PAGE_PCD (_AC(1,UL)<<_PAGE_BIT_PCD)
#define _PAGE_ACCESSED (_AC(1,UL)<<_PAGE_BIT_ACCESSED)
#define _PAGE_DIRTY (_AC(1,UL)<<_PAGE_BIT_DIRTY)
/* 2MB page */
#define _PAGE_PSE (_AC(1,UL)<<_PAGE_BIT_PSE)
/* nonlinear file mapping, saved PTE; unset:swap */
#define _PAGE_FILE (_AC(1,UL)<<_PAGE_BIT_FILE)
/* Global TLB entry */
#define _PAGE_GLOBAL (_AC(1,UL)<<_PAGE_BIT_GLOBAL)
#define _PAGE_PROTNONE 0x080 /* If not present */
#define _PAGE_NX (_AC(1,UL)<<_PAGE_BIT_NX)
@ -248,8 +252,7 @@ static inline unsigned long pmd_bad(pmd_t pmd)
#define pte_present(x) (pte_val(x) & (_PAGE_PRESENT | _PAGE_PROTNONE))
#define pte_clear(mm,addr,xp) do { set_pte_at(mm, addr, xp, __pte(0)); } while (0)
#define pages_to_mb(x) ((x) >> (20-PAGE_SHIFT)) /* FIXME: is this
right? */
#define pages_to_mb(x) ((x) >> (20-PAGE_SHIFT)) /* FIXME: is this right? */
#define pte_page(x) pfn_to_page(pte_pfn(x))
#define pte_pfn(x) ((pte_val(x) & __PHYSICAL_MASK) >> PAGE_SHIFT)