diff options
Diffstat (limited to 'include/asm-mips/page.h')
| -rw-r--r-- | include/asm-mips/page.h | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/include/asm-mips/page.h b/include/asm-mips/page.h index 85b258ee7090..0dc1a45c27ed 100644 --- a/include/asm-mips/page.h +++ b/include/asm-mips/page.h @@ -34,7 +34,9 @@ #ifndef __ASSEMBLY__ +#include <linux/pfn.h> #include <asm/cpu-features.h> +#include <asm/io.h> extern void clear_page(void * page); extern void copy_page(void * to, void * from); @@ -134,8 +136,14 @@ typedef struct { unsigned long pgprot; } pgprot_t; /* to align the pointer to the (next) page boundary */ #define PAGE_ALIGN(addr) (((addr) + PAGE_SIZE - 1) & PAGE_MASK) -#define __pa(x) ((unsigned long) (x) - PAGE_OFFSET) -#define __va(x) ((void *)((unsigned long) (x) + PAGE_OFFSET)) +#if defined(CONFIG_64BIT) && !defined(CONFIG_BUILD_ELF64) +#define __pa_page_offset(x) ((unsigned long)(x) < CKSEG0 ? PAGE_OFFSET : CKSEG0) +#else +#define __pa_page_offset(x) PAGE_OFFSET +#endif +#define __pa(x) ((unsigned long)(x) - __pa_page_offset(x)) +#define __pa_symbol(x) __pa(RELOC_HIDE((unsigned long)(x),0)) +#define __va(x) ((void *)((unsigned long)(x) + PAGE_OFFSET)) #define pfn_to_kaddr(pfn) __va((pfn) << PAGE_SHIFT) @@ -160,8 +168,8 @@ typedef struct { unsigned long pgprot; } pgprot_t; #endif -#define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT) -#define virt_addr_valid(kaddr) pfn_valid(__pa(kaddr) >> PAGE_SHIFT) +#define virt_to_page(kaddr) pfn_to_page(PFN_DOWN(virt_to_phys(kaddr))) +#define virt_addr_valid(kaddr) pfn_valid(PFN_DOWN(virt_to_phys(kaddr))) #define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \ VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) |