diff options
| author | Paul Mundt <lethal@linux-sh.org> | 2009-11-24 10:32:11 +0300 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2009-11-24 10:32:11 +0300 |
| commit | 49fb2cd2571e0134e5a12c5abab227696e4940c7 (patch) | |
| tree | 9a77364e988ef3f3af24feee3f5bb91bd0c34129 /arch/sh/include/asm/pgtable.h | |
| parent | dfc349402de8e95f6a42e8341e9ea193b718eee3 (diff) | |
| parent | 260af56271f79da0e37faa5a99b1786b221297e5 (diff) | |
| download | linux-49fb2cd2571e0134e5a12c5abab227696e4940c7.tar.xz | |
Merge branch 'master' into sh/st-integration
Diffstat (limited to 'arch/sh/include/asm/pgtable.h')
| -rw-r--r-- | arch/sh/include/asm/pgtable.h | 26 |
1 files changed, 22 insertions, 4 deletions
diff --git a/arch/sh/include/asm/pgtable.h b/arch/sh/include/asm/pgtable.h index 4f3efa7d5a64..ba3046e4f06f 100644 --- a/arch/sh/include/asm/pgtable.h +++ b/arch/sh/include/asm/pgtable.h @@ -75,13 +75,31 @@ static inline unsigned long long neff_sign_extend(unsigned long val) #define USER_PTRS_PER_PGD (TASK_SIZE/PGDIR_SIZE) #define FIRST_USER_ADDRESS 0 -#ifdef CONFIG_32BIT -#define PHYS_ADDR_MASK 0xffffffff +#define PHYS_ADDR_MASK29 0x1fffffff +#define PHYS_ADDR_MASK32 0xffffffff + +#ifdef CONFIG_PMB +static inline unsigned long phys_addr_mask(void) +{ + /* Is the MMU in 29bit mode? */ + if (__in_29bit_mode()) + return PHYS_ADDR_MASK29; + + return PHYS_ADDR_MASK32; +} +#elif defined(CONFIG_32BIT) +static inline unsigned long phys_addr_mask(void) +{ + return PHYS_ADDR_MASK32; +} #else -#define PHYS_ADDR_MASK 0x1fffffff +static inline unsigned long phys_addr_mask(void) +{ + return PHYS_ADDR_MASK29; +} #endif -#define PTE_PHYS_MASK (PHYS_ADDR_MASK & PAGE_MASK) +#define PTE_PHYS_MASK (phys_addr_mask() & PAGE_MASK) #define PTE_FLAGS_MASK (~(PTE_PHYS_MASK) << PAGE_SHIFT) #ifdef CONFIG_SUPERH32 |