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authorJeremy Fitzhardinge <jeremy@goop.org>2008-01-30 13:32:43 +0100
committerIngo Molnar <mingo@elte.hu>2008-01-30 13:32:43 +0100
commit881d90d0daaeac018b0d5beb739dd825ccee0143 (patch)
treec2b2b24032d503938110d83e7d143bf2b980b455 /include/asm-x86/page_32.h
parent38f0f12793a490ac633dbba2418172b7abfa077e (diff)
x86: page.h: move and unify types for pagetable entry
# HG changeset patch # User Jeremy Fitzhardinge <jeremy@xensource.com> # Date 1199319654 28800 # Node ID 3bd7db6e85e66e7f3362874802df26a82fcb2d92 # Parent f7e7db3facd9406545103164f9be8f9ba1a2b549 x86: page.h: move and unify types for pagetable entry definitions This patch: 1. Defines arch-specific types for the contents of a pagetable entry. That is, 32-bit entries for 32-bit non-PAE, and 64-bit entries for 32-bit PAE and 64-bit. However, even though the latter two are the same size, they're defined with different types in order to retain compatibility with printk format strings, etc. 2. Defines arch-specific pte_t. This is different because 32-bit PAE defines it in two halves, whereas 32-bit PAE and 64-bit define it as a single entry. All the other pagetable levels can be defined in a common way. This also defines arch-specific pte_val/make_pte functions. 3. Define PAGETABLE_LEVELS for each architecture variation, for later use. 4. Define common pagetable entry accessors in a paravirt-compatible way. (64-bit does not yet use paravirt-ops in any way). 5. Convert a few instances of using a *_val() as an lvalue where it is no longer a macro. There are still places in the 64-bit code which use pte_val() as an lvalue. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include/asm-x86/page_32.h')
-rw-r--r--include/asm-x86/page_32.h83
1 files changed, 0 insertions, 83 deletions
diff --git a/include/asm-x86/page_32.h b/include/asm-x86/page_32.h
index b4750ef4492..2d60661ab34 100644
--- a/include/asm-x86/page_32.h
+++ b/include/asm-x86/page_32.h
@@ -9,89 +9,6 @@
*/
extern int nx_enabled;
-#ifdef CONFIG_X86_PAE
-typedef struct { unsigned long pte_low, pte_high; } pte_t;
-typedef struct { unsigned long long pmd; } pmd_t;
-typedef struct { unsigned long long pgd; } pgd_t;
-typedef struct { unsigned long long pgprot; } pgprot_t;
-
-static inline unsigned long long native_pgd_val(pgd_t pgd)
-{
- return pgd.pgd;
-}
-
-static inline unsigned long long native_pmd_val(pmd_t pmd)
-{
- return pmd.pmd;
-}
-
-static inline unsigned long long native_pte_val(pte_t pte)
-{
- return pte.pte_low | ((unsigned long long)pte.pte_high << 32);
-}
-
-static inline pgd_t native_make_pgd(unsigned long long val)
-{
- return (pgd_t) { val };
-}
-
-static inline pmd_t native_make_pmd(unsigned long long val)
-{
- return (pmd_t) { val };
-}
-
-static inline pte_t native_make_pte(unsigned long long val)
-{
- return (pte_t) { .pte_low = val, .pte_high = (val >> 32) } ;
-}
-
-#ifndef CONFIG_PARAVIRT
-#define pmd_val(x) native_pmd_val(x)
-#define __pmd(x) native_make_pmd(x)
-#endif
-
-#include <asm-generic/pgtable-nopud.h>
-#else /* !CONFIG_X86_PAE */
-typedef struct { unsigned long pte_low; } pte_t;
-typedef struct { unsigned long pgd; } pgd_t;
-typedef struct { unsigned long pgprot; } pgprot_t;
-#define boot_pte_t pte_t /* or would you rather have a typedef */
-
-static inline unsigned long native_pgd_val(pgd_t pgd)
-{
- return pgd.pgd;
-}
-
-static inline unsigned long native_pte_val(pte_t pte)
-{
- return pte.pte_low;
-}
-
-static inline pgd_t native_make_pgd(unsigned long val)
-{
- return (pgd_t) { val };
-}
-
-static inline pte_t native_make_pte(unsigned long val)
-{
- return (pte_t) { .pte_low = val };
-}
-
-#include <asm-generic/pgtable-nopmd.h>
-#endif /* CONFIG_X86_PAE */
-
-#define PTE_MASK PAGE_MASK
-
-#define pgprot_val(x) ((x).pgprot)
-#define __pgprot(x) ((pgprot_t) { (x) } )
-
-#ifndef CONFIG_PARAVIRT
-#define pgd_val(x) native_pgd_val(x)
-#define __pgd(x) native_make_pgd(x)
-#define pte_val(x) native_pte_val(x)
-#define __pte(x) native_make_pte(x)
-#endif
-
#endif /* !__ASSEMBLY__ */
#ifndef __ASSEMBLY__