diff options
Diffstat (limited to 'include/asm-sh/addrspace.h')
| -rw-r--r-- | include/asm-sh/addrspace.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/asm-sh/addrspace.h b/include/asm-sh/addrspace.h index cb9da9992fa..e7f2deb28e0 100644 --- a/include/asm-sh/addrspace.h +++ b/include/asm-sh/addrspace.h @@ -17,6 +17,14 @@ /* If this CPU supports segmentation, hook up the helpers */ #ifdef P1SEG +/* + [ P0/U0 (virtual) ] 0x00000000 <------ User space + [ P1 (fixed) cached ] 0x80000000 <------ Kernel space + [ P2 (fixed) non-cachable] 0xA0000000 <------ Physical access + [ P3 (virtual) cached] 0xC0000000 <------ vmalloced area + [ P4 control ] 0xE0000000 + */ + /* Returns the privileged segment base of a given address */ #define PXSEG(a) (((unsigned long)(a)) & 0xe0000000) |