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authorDavid S. Miller <davem@davemloft.net>2012-05-12 13:39:23 -0700
committerDavid S. Miller <davem@davemloft.net>2012-05-12 13:39:23 -0700
commit62875cff73fbb7c22bdb96e42d2e78cfe8464e06 (patch)
treed79aafc5acd64ce2a3020ce8dbc6533655783405 /arch/sparc/include/asm/pgtable_32.h
parenta3c5c6637bd7ddae34aa0cd8b6baf7cc33a8b163 (diff)
sparc32: Un-btfixup set_pte, pte_present, mk_pte{_phys,_io}().
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc/include/asm/pgtable_32.h')
-rw-r--r--arch/sparc/include/asm/pgtable_32.h50
1 files changed, 27 insertions, 23 deletions
diff --git a/arch/sparc/include/asm/pgtable_32.h b/arch/sparc/include/asm/pgtable_32.h
index ac85f9b87a75..62e34d909c36 100644
--- a/arch/sparc/include/asm/pgtable_32.h
+++ b/arch/sparc/include/asm/pgtable_32.h
@@ -113,11 +113,18 @@ static inline unsigned long srmmu_swap(unsigned long *addr, unsigned long value)
return value;
}
-static inline void srmmu_set_pte(pte_t *ptep, pte_t pteval)
+/* Certain architectures need to do special things when pte's
+ * within a page table are directly modified. Thus, the following
+ * hook is made available.
+ */
+
+static inline void set_pte(pte_t *ptep, pte_t pteval)
{
srmmu_swap((unsigned long *)ptep, pte_val(pteval));
}
+#define set_pte_at(mm,addr,ptep,pteval) set_pte(ptep,pteval)
+
static inline int srmmu_device_memory(unsigned long x)
{
return ((x & 0xF0000000) != 0);
@@ -134,18 +141,19 @@ BTFIXUPDEF_CALL_CONST(unsigned long, pgd_page_vaddr, pgd_t)
#define pgd_page_vaddr(pgd) BTFIXUP_CALL(pgd_page_vaddr)(pgd)
-BTFIXUPDEF_CALL_CONST(int, pte_present, pte_t)
+static inline int pte_present(pte_t pte)
+{
+ return ((pte_val(pte) & SRMMU_ET_MASK) == SRMMU_ET_PTE);
+}
static inline int pte_none(pte_t pte)
{
return !pte_val(pte);
}
-#define pte_present(pte) BTFIXUP_CALL(pte_present)(pte)
-
static inline void __pte_clear(pte_t *ptep)
{
- srmmu_set_pte(ptep, __pte(0));
+ set_pte(ptep, __pte(0));
}
static inline void pte_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep)
@@ -172,7 +180,7 @@ static inline void pmd_clear(pmd_t *pmdp)
{
int i;
for (i = 0; i < PTRS_PER_PTE/SRMMU_REAL_PTRS_PER_PTE; i++)
- srmmu_set_pte((pte_t *)&pmdp->pmdv[i], __pte(0));
+ set_pte((pte_t *)&pmdp->pmdv[i], __pte(0));
}
static inline int pgd_none(pgd_t pgd)
@@ -192,7 +200,7 @@ static inline int pgd_present(pgd_t pgd)
static inline void pgd_clear(pgd_t *pgdp)
{
- srmmu_set_pte((pte_t *)pgdp, __pte(0));
+ set_pte((pte_t *)pgdp, __pte(0));
}
/*
@@ -292,14 +300,20 @@ static inline unsigned long pte_pfn(pte_t pte)
* Conversion functions: convert a page and protection to a page entry,
* and a page entry and page directory to the page they refer to.
*/
-BTFIXUPDEF_CALL_CONST(pte_t, mk_pte, struct page *, pgprot_t)
+static inline pte_t mk_pte(struct page *page, pgprot_t pgprot)
+{
+ return __pte((page_to_pfn(page) << (PAGE_SHIFT-4)) | pgprot_val(pgprot));
+}
-BTFIXUPDEF_CALL_CONST(pte_t, mk_pte_phys, unsigned long, pgprot_t)
-BTFIXUPDEF_CALL_CONST(pte_t, mk_pte_io, unsigned long, pgprot_t, int)
+static inline pte_t mk_pte_phys(unsigned long page, pgprot_t pgprot)
+{
+ return __pte(((page) >> 4) | pgprot_val(pgprot));
+}
-#define mk_pte(page,pgprot) BTFIXUP_CALL(mk_pte)(page,pgprot)
-#define mk_pte_phys(page,pgprot) BTFIXUP_CALL(mk_pte_phys)(page,pgprot)
-#define mk_pte_io(page,pgprot,space) BTFIXUP_CALL(mk_pte_io)(page,pgprot,space)
+static inline pte_t mk_pte_io(unsigned long page, pgprot_t pgprot, int space)
+{
+ return __pte(((page) >> 4) | (space << 28) | pgprot_val(pgprot));
+}
#define pgprot_noncached pgprot_noncached
static inline pgprot_t pgprot_noncached(pgprot_t prot)
@@ -339,16 +353,6 @@ BTFIXUPDEF_CALL(pte_t *, pte_offset_kernel, pmd_t *, unsigned long)
#define pte_offset_map(d, a) pte_offset_kernel(d,a)
#define pte_unmap(pte) do{}while(0)
-/* Certain architectures need to do special things when pte's
- * within a page table are directly modified. Thus, the following
- * hook is made available.
- */
-
-BTFIXUPDEF_CALL(void, set_pte, pte_t *, pte_t)
-
-#define set_pte(ptep,pteval) BTFIXUP_CALL(set_pte)(ptep,pteval)
-#define set_pte_at(mm,addr,ptep,pteval) set_pte(ptep,pteval)
-
struct seq_file;
BTFIXUPDEF_CALL(void, mmu_info, struct seq_file *)