From 6deb6f9129591a2386f5c125d54a22ab78fc8b61 Mon Sep 17 00:00:00 2001 From: Paul Mundt Date: Wed, 21 Nov 2007 15:34:02 +0900 Subject: sh: Move PXSEG comments to addrspace.h. Signed-off-by: Paul Mundt --- include/asm-sh/addrspace.h | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'include/asm-sh/addrspace.h') 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) -- cgit v1.2.3