From: swarren@wwwdotorg•org (Stephen Warren)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH v4 0/2] Uncompress debug for multiplatform
Date: Tue, 12 Mar 2013 12:23:32 -0600 [thread overview]
Message-ID: <513F72A4.8020309@wwwdotorg.org> (raw)
In-Reply-To: <20130312040242.GF25910@S2101-09.ap.freescale.net>
On 03/11/2013 10:02 PM, Shawn Guo wrote:
> On Mon, Mar 11, 2013 at 11:30:02AM -0600, Stephen Warren wrote:
>> On 03/11/2013 11:03 AM, Russell King - ARM Linux wrote:
>>> On Mon, Mar 11, 2013 at 07:35:35PM +0800, Shawn Guo wrote:
>>>> Instead of giving zero support of uncompress debug for multiplatform
>>>> build, the series turns uncompress debug into one part of DEBUG_LL
>>>> support. When DEBUG_LL is turned on for a particular platform,
>>>> uncompress debug works too for that platform.
>>>>
>>>> OMAP is an exception here. OMAP low-level debug code places data
>>>> in the .data section, and that is allowed in decompressor. That's
>>>> why Kconfig symbol DEBUG_UNCOMPRESS that controls multiplatform
>>>> uncompress debug support is defined with !DEBUG_OMAP2PLUS_UART.
>>>>
>>>> Changes since v3:
>>>> - Create Kconfig symbol DEBUG_UNCOMPRESS for building in
>>>> multiplatform uncompress debug support, so that we can leave
>>>> out the platform which is part of multiplatform but not ready
>>>> for being part of uncompress debug like OMAP example.
>>>
>>> Wasn't Tegra also having problems with this as well?
>>
>> Tegra isn't converted to multi-platform yet. I hope to in 3.10.
>
> Yeah, that's why I did not touch Tegra as the series is based on
> v3.9-rc1 where Tegra hasn't been part of multi-platform yet.
>
> But I just noticed that debug-macro.S for Tegra has been renamed to
> debug/tegra.S, and we already know it will be broken when multi-platform
> is enabled together with this series for Tegra.
Was that because the code touches .data? Perhaps I can get away with
using some hard-coded IRAM location or something.
next prev parent reply other threads:[~2013-03-12 18:23 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-11 11:35 [PATCH v4 0/2] Uncompress debug for multiplatform Shawn Guo
2013-03-11 11:35 ` [PATCH v4 1/2] ARM: use Kconfig to select uncompress.h Shawn Guo
2013-03-11 11:35 ` [PATCH v4 2/2] ARM: uncompress debug support for multiplatform build Shawn Guo
2013-03-11 17:36 ` Tony Lindgren
2013-03-13 3:18 ` [PATCH v5 " Shawn Guo
2013-03-13 11:19 ` Arnd Bergmann
2013-03-11 17:03 ` [PATCH v4 0/2] Uncompress debug for multiplatform Russell King - ARM Linux
2013-03-11 17:30 ` Stephen Warren
2013-03-12 4:02 ` Shawn Guo
2013-03-12 18:23 ` Stephen Warren [this message]
2013-03-13 2:21 ` Shawn Guo
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