x86: update Documentation/i386/boot.txt

[linux-2.6-omap-h63xx.git] / include / asm-sh / pgtable_64.h

diff --git a/include/asm-sh/pgtable_64.h b/include/asm-sh/pgtable_64.h
index 972211671c9aa4ef8eecba2c21551bc334690c8e..c78990cda55757f4a175ceb4fb987a91ef4dc588 100644 (file)
--- a/include/asm-sh/pgtable_64.h
+++ b/include/asm-sh/pgtable_64.h
@@ -137,6 +137,14 @@ static __inline__ void pmd_set(pmd_t *pmdp,pte_t *ptep)
 #define _PAGE_SZHUGE   (_PAGE_SIZE0 | _PAGE_SIZE1)
 #endif
 
+/*
+ * Stub out _PAGE_SZHUGE if we don't have a good definition for it,
+ * to make pte_mkhuge() happy.
+ */
+#ifndef _PAGE_SZHUGE
+# define _PAGE_SZHUGE  (0)
+#endif
+
 /*
  * Default flags for a Kernel page.
  * This is fundametally also SHARED because the main use of this define
@@ -179,6 +187,11 @@ static __inline__ void pmd_set(pmd_t *pmdp,pte_t *ptep)
                                 _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)
+
 /* Make it a device mapping for maximum safety (e.g. for mapping device
    registers into user-space via /dev/map).  */
 #define pgprot_noncached(x) __pgprot(((x).pgprot & ~(_PAGE_CACHABLE)) | _PAGE_DEVICE)
@@ -241,10 +254,11 @@ extern void __handle_bad_pmd_kernel(pmd_t * pmd);
 /*
  * The following have defined behavior only work if pte_present() is true.
  */
-static inline int pte_dirty(pte_t pte){ return pte_val(pte) & _PAGE_DIRTY; }
-static inline int pte_young(pte_t pte){ return pte_val(pte) & _PAGE_ACCESSED; }
-static inline int pte_file(pte_t pte) { return pte_val(pte) & _PAGE_FILE; }
-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_DIRTY; }
+static inline int pte_young(pte_t pte)  { return pte_val(pte) & _PAGE_ACCESSED; }
+static inline int pte_file(pte_t pte)   { return pte_val(pte) & _PAGE_FILE; }
+static inline int pte_write(pte_t pte)  { return pte_val(pte) & _PAGE_WRITE; }
+static inline int pte_special(pte_t pte){ return 0; }
 
 static inline pte_t pte_wrprotect(pte_t pte)   { set_pte(&pte, __pte(pte_val(pte) & ~_PAGE_WRITE)); return pte; }
 static inline pte_t pte_mkclean(pte_t pte)     { set_pte(&pte, __pte(pte_val(pte) & ~_PAGE_DIRTY)); return pte; }
@@ -253,6 +267,7 @@ static inline pte_t pte_mkwrite(pte_t pte)  { set_pte(&pte, __pte(pte_val(pte) |
 static inline pte_t pte_mkdirty(pte_t pte)     { set_pte(&pte, __pte(pte_val(pte) | _PAGE_DIRTY)); return pte; }
 static inline pte_t pte_mkyoung(pte_t pte)     { set_pte(&pte, __pte(pte_val(pte) | _PAGE_ACCESSED)); return pte; }
 static inline pte_t pte_mkhuge(pte_t pte)      { set_pte(&pte, __pte(pte_val(pte) | _PAGE_SZHUGE)); return pte; }
+static inline pte_t pte_mkspecial(pte_t pte)   { return pte; }
 
 
 /*