diff options
Diffstat (limited to 'include/asm-sh/addrspace.h')
| -rw-r--r-- | include/asm-sh/addrspace.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/include/asm-sh/addrspace.h b/include/asm-sh/addrspace.h index e7f2deb28e0..fa544fc38c2 100644 --- a/include/asm-sh/addrspace.h +++ b/include/asm-sh/addrspace.h @@ -31,6 +31,7 @@ /* Returns the physical address of a PnSEG (n=1,2) address */ #define PHYSADDR(a) (((unsigned long)(a)) & 0x1fffffff) +#ifdef CONFIG_29BIT /* * Map an address to a certain privileged segment */ @@ -42,8 +43,11 @@ ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | P3SEG)) #define P4SEGADDR(a) \ ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | P4SEG)) - +#endif /* 29BIT */ #endif /* P1SEG */ +/* Check if an address can be reached in 29 bits */ +#define IS_29BIT(a) (((unsigned long)(a)) < 0x20000000) + #endif /* __KERNEL__ */ #endif /* __ASM_SH_ADDRSPACE_H */ |