[PATCH v2] arm: tcm: Don't crash when TCM banks are protected by TrustZone
Russell King - ARM Linux
linux at arm.linux.org.uk
Tue Jun 2 08:35:48 PDT 2015
On Tue, Jun 02, 2015 at 05:21:11PM +0200, Michael van der Westhuizen wrote:
> It’s almost depressing how quickly you grokked that!
Quite simple really:
$ cat > t.s
.word 0xee190f11
.word 0xee190f31
$ arm-linux-as -o t.o t.s
$ arm-linux-objdump -d t.o
...
00000000 <.text>:
0: ee190f11 mrc 15, 0, r0, cr9, cr1, {0}
4: ee190f31 mrc 15, 0, r0, cr9, cr1, {1}
Those two words being the values which fit the word and mask you
specified, omitting the usual location for Rd (which is normally bits
12:16 in ARM instructions). Of course, a couple more words would
confirm that.
--
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according to speedtest.net.
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