From: Chris Zankel <chris@zankel.net>
Date: Mon, 28 Jan 2008 23:55:01 +0000 (-0800)
Subject: [XTENSA] Allow debugger to modify the WINDOWBASE register.
X-Git-Tag: v2.6.25-rc3~111^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=42086cec3263b8c015ca3faa01e8190f0e3ff445;p=pandora-kernel.git

[XTENSA] Allow debugger to modify the WINDOWBASE register.

For the 'return' command, GDB needs to adjust WINDOWBASE.
In case WB is different from 0, we need to rotate the
window register file and update WINDOWSTART and WMASK.
This patch also removes some ret|= statements for
__get_user/__put_user as the address range was alrady
checked a couple of lines earlier.

Signed-off-by: Chris Zankel <chris@zankel.net>
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