[MIPS] All MIPS32 processors support64-bit physical addresses.
Still, only the 4K may actually implement it. Signed-off-by: Chris Dearman <chris@mips.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
committed by
Ralf Baechle
parent
0bfa130e74
commit
962f480e0f
@@ -79,7 +79,7 @@ extern void paging_init(void);
|
||||
#define pmd_page(pmd) (pfn_to_page(pmd_phys(pmd) >> PAGE_SHIFT))
|
||||
#define pmd_page_vaddr(pmd) pmd_val(pmd)
|
||||
|
||||
#if defined(CONFIG_64BIT_PHYS_ADDR) && defined(CONFIG_CPU_MIPS32_R1)
|
||||
#if defined(CONFIG_64BIT_PHYS_ADDR) && defined(CONFIG_CPU_MIPS32)
|
||||
|
||||
#define pte_none(pte) (!(((pte).pte_low | (pte).pte_high) & ~_PAGE_GLOBAL))
|
||||
#define pte_present(pte) ((pte).pte_low & _PAGE_PRESENT)
|
||||
@@ -182,7 +182,7 @@ extern pgd_t swapper_pg_dir[];
|
||||
* The following only work if pte_present() is true.
|
||||
* Undefined behaviour if not..
|
||||
*/
|
||||
#if defined(CONFIG_64BIT_PHYS_ADDR) && defined(CONFIG_CPU_MIPS32_R1)
|
||||
#if defined(CONFIG_64BIT_PHYS_ADDR) && defined(CONFIG_CPU_MIPS32)
|
||||
static inline int pte_write(pte_t pte) { return pte.pte_low & _PAGE_WRITE; }
|
||||
static inline int pte_dirty(pte_t pte) { return pte.pte_low & _PAGE_MODIFIED; }
|
||||
static inline int pte_young(pte_t pte) { return pte.pte_low & _PAGE_ACCESSED; }
|
||||
@@ -309,7 +309,7 @@ static inline pgprot_t pgprot_noncached(pgprot_t _prot)
|
||||
*/
|
||||
#define mk_pte(page, pgprot) pfn_pte(page_to_pfn(page), (pgprot))
|
||||
|
||||
#if defined(CONFIG_64BIT_PHYS_ADDR) && defined(CONFIG_CPU_MIPS32_R1)
|
||||
#if defined(CONFIG_64BIT_PHYS_ADDR) && defined(CONFIG_CPU_MIPS32)
|
||||
static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
|
||||
{
|
||||
pte.pte_low &= _PAGE_CHG_MASK;
|
||||
|
||||
Reference in New Issue
Block a user