diff options
Diffstat (limited to 'arch/microblaze/include/asm/page.h')
| -rw-r--r-- | arch/microblaze/include/asm/page.h | 37 |
1 files changed, 22 insertions, 15 deletions
diff --git a/arch/microblaze/include/asm/page.h b/arch/microblaze/include/asm/page.h index 337f23eabc71..90ac9f34b4b4 100644 --- a/arch/microblaze/include/asm/page.h +++ b/arch/microblaze/include/asm/page.h @@ -19,16 +19,13 @@ #ifdef __KERNEL__ -/* PAGE_SHIFT determines the page size */ -#define PAGE_SHIFT 12 -#define PAGE_SIZE (ASM_CONST(1) << PAGE_SHIFT) -#define PAGE_MASK (~(PAGE_SIZE-1)) +#include <vdso/page.h> #define LOAD_OFFSET ASM_CONST((CONFIG_KERNEL_START-CONFIG_KERNEL_BASE_ADDR)) #define PTE_SHIFT (PAGE_SHIFT - 2) /* 1024 ptes per page */ -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ /* * PAGE_OFFSET -- the first address of the first page of memory. With MMU @@ -99,20 +96,11 @@ extern int page_is_ram(unsigned long pfn); # define phys_to_pfn(phys) (PFN_DOWN(phys)) # define pfn_to_phys(pfn) (PFN_PHYS(pfn)) -# define virt_to_pfn(vaddr) (phys_to_pfn((__pa(vaddr)))) -# define pfn_to_virt(pfn) __va(pfn_to_phys((pfn))) - # define virt_to_page(kaddr) (pfn_to_page(__pa(kaddr) >> PAGE_SHIFT)) # define page_to_virt(page) __va(page_to_pfn(page) << PAGE_SHIFT) -# define page_to_phys(page) (page_to_pfn(page) << PAGE_SHIFT) # define ARCH_PFN_OFFSET (memory_start >> PAGE_SHIFT) -# endif /* __ASSEMBLY__ */ - -#define virt_addr_valid(vaddr) (pfn_valid(virt_to_pfn(vaddr))) - -# define __pa(x) __virt_to_phys((unsigned long)(x)) -# define __va(x) ((void *)__phys_to_virt((unsigned long)(x))) +# endif /* __ASSEMBLER__ */ /* Convert between virtual and physical address for MMU. */ /* Handle MicroBlaze processor with virtual memory. */ @@ -125,6 +113,25 @@ extern int page_is_ram(unsigned long pfn); #define tovirt(rd, rs) \ addik rd, rs, (CONFIG_KERNEL_START - CONFIG_KERNEL_BASE_ADDR) +#ifndef __ASSEMBLER__ + +# define __pa(x) __virt_to_phys((unsigned long)(x)) +# define __va(x) ((void *)__phys_to_virt((unsigned long)(x))) + +static inline unsigned long virt_to_pfn(const void *vaddr) +{ + return phys_to_pfn(__pa(vaddr)); +} + +static inline const void *pfn_to_virt(unsigned long pfn) +{ + return __va(pfn_to_phys((pfn))); +} + +#define virt_addr_valid(vaddr) (pfn_valid(virt_to_pfn(vaddr))) + +#endif /* __ASSEMBLER__ */ + #define TOPHYS(addr) __virt_to_phys(addr) #endif /* __KERNEL__ */ |