diff options
author | Paul Mundt <lethal@linux-sh.org> | 2007-11-21 01:34:02 -0500 |
---|---|---|
committer | Paul Mundt <lethal@linux-sh.org> | 2008-01-27 23:18:51 -0500 |
commit | 6deb6f9129591a2386f5c125d54a22ab78fc8b61 (patch) | |
tree | beac2de71b1093685af962f5a5f12e439bf17585 /include/asm-sh/addrspace.h | |
parent | caff44e7db86243fd6163bc79e543123b0139a46 (diff) |
sh: Move PXSEG comments to addrspace.h.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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 cb9da9992fa0..e7f2deb28e06 100644 --- a/include/asm-sh/addrspace.h +++ b/include/asm-sh/addrspace.h | |||
@@ -17,6 +17,14 @@ | |||
17 | /* If this CPU supports segmentation, hook up the helpers */ | 17 | /* If this CPU supports segmentation, hook up the helpers */ |
18 | #ifdef P1SEG | 18 | #ifdef P1SEG |
19 | 19 | ||
20 | /* | ||
21 | [ P0/U0 (virtual) ] 0x00000000 <------ User space | ||
22 | [ P1 (fixed) cached ] 0x80000000 <------ Kernel space | ||
23 | [ P2 (fixed) non-cachable] 0xA0000000 <------ Physical access | ||
24 | [ P3 (virtual) cached] 0xC0000000 <------ vmalloced area | ||
25 | [ P4 control ] 0xE0000000 | ||
26 | */ | ||
27 | |||
20 | /* Returns the privileged segment base of a given address */ | 28 | /* Returns the privileged segment base of a given address */ |
21 | #define PXSEG(a) (((unsigned long)(a)) & 0xe0000000) | 29 | #define PXSEG(a) (((unsigned long)(a)) & 0xe0000000) |
22 | 30 | ||