From: michael@walle.cc (Michael Walle)
To: linux-arm-kernel@lists.infradead.org
Subject: arm and patch phys offset
Date: Mon, 12 Dec 2011 22:55:40 +0100 [thread overview]
Message-ID: <201112122255.40092.michael@walle.cc> (raw)
In-Reply-To: <20111212213450.GD20178@n2100.arm.linux.org.uk>
Am Montag 12 Dezember 2011, 22:34:50 schrieb Russell King - ARM Linux:
> Why do you say that, and what you do mean by "expect the addresses" ?
> Presumably you're saying the addresses will be different. Why do you
> think that?
> Are you saying that you find that the address of these 'unconverted'
> instructions change each time you run your debug function?
i see different output from the debug function everytime i change the source
code and recompile the kernel. restarting the same binary results in the same
unconverted instructions.
> > If it would be some memory corruption, shouldn't the table or the p2v/v2p
> > stubs be corrupt? But the non-patched entries always points to correct
> > v2p/p2v calls and in every case there is the unpatched add/sub
> > instruction.
>
> Have you tried dumping out the entire instruction as well as the
> address of the unconverted instruction?
yes, the addresses make sense as i can see the unpatched instruction at that
address in the disassembly and the instruction at these addresses are always:
add/sub rX, rY, #81000000
> Are you running a Thumb-2 kernel? Which kernel are you running?
what do you mean by which kernel?
linus' master from yesterday, ARCH_KIRKWOOD=y
CONFIG_THUMB2_KERNEL is not set
--
Michael
next prev parent reply other threads:[~2011-12-12 21:55 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <201112112255.32534.michael@walle.cc>
2011-12-12 0:53 ` arm and patch phys offset Nicolas Pitre
2011-12-12 21:12 ` Michael Walle
2011-12-12 21:34 ` Russell King - ARM Linux
2011-12-12 21:55 ` Michael Walle [this message]
2011-12-12 22:02 ` Russell King - ARM Linux
2011-12-12 22:09 ` Michael Walle
2011-12-12 22:21 ` Russell King - ARM Linux
2011-12-12 22:56 ` Nicolas Pitre
2011-12-13 0:08 ` Michael Walle
2011-12-13 4:01 ` Nicolas Pitre
2011-12-13 23:17 ` Michael Walle
2011-12-18 11:58 ` Tixy
2012-01-03 7:15 ` Linus Walleij
2012-01-03 7:41 ` Michael Walle
2011-12-12 21:38 ` Nicolas Pitre
2011-12-12 21:57 ` Russell King - ARM Linux
2011-12-12 22:25 ` Nicolas Pitre
2011-12-12 22:06 ` Michael Walle
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