From: Stuart Menefy <stuart.menefy@st.com>
Date: Mon, 24 Aug 2009 09:16:56 +0000 (+0900)
Subject: sh: Add sys_cacheflush() call for SH CPUs.
X-Git-Tag: v2.6.32-rc1~640^2~35^2~14^2~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6d243dd37002bcee54841852ab1b8606fd457851;p=pandora-kernel.git

sh: Add sys_cacheflush() call for SH CPUs.

Adds a system call to allow user code to flush code from the cache.
You can use instructions for the data side, but the iside can
only be done by a flush ROM which really only works with a direct
mapped cache. The later SH4's have 2 way Iside, so this call allows
a portable way to flush the cache.

Signed-off-by: Stuart Menefy <stuart.menefy@st.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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