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From: "Premi, Sanjeev" <premi@ti.com>
To: Sascha Hauer <s.hauer@pengutronix.de>
Cc: "barebox@lists.infradead.org" <barebox@lists.infradead.org>
Subject: RE: [PATCH] omap3 towards thumb2 support
Date: Tue, 17 Jan 2012 13:20:03 +0000	[thread overview]
Message-ID: <E28AAFD00EFAA646AE3DF9B89CD24A89317FD25F@DBDE01.ent.ti.com> (raw)
In-Reply-To: <20120117131055.GA5446@pengutronix.de>

> -----Original Message-----
> From: Sascha Hauer [mailto:s.hauer@pengutronix.de] 
> Sent: Tuesday, January 17, 2012 6:41 PM
> To: Premi, Sanjeev
> Cc: barebox@lists.infradead.org
> Subject: Re: [PATCH] omap3 towards thumb2 support
> 
> On Tue, Jan 17, 2012 at 12:24:26PM +0000, Premi, Sanjeev wrote:
> > > -----Original Message-----
> > > From: Sascha Hauer [mailto:s.hauer@pengutronix.de] 
> > > Sent: Tuesday, January 17, 2012 5:43 PM
> > > To: Premi, Sanjeev
> > > Cc: barebox@lists.infradead.org
> > > Subject: Re: [PATCH] omap3 towards thumb2 support
> > > 
> > > On Tue, Jan 17, 2012 at 11:14:31AM +0000, Premi, Sanjeev wrote:
> > 
> > [snip]
> > 
> > > > > 
> > > > > I attached my binary MLO file. Could you check if it 
> > > works for you? I
> > > > > just checked this binary and it comes up with:
> > > > > 
> > > > > [sp] I will try tomorrow morning.
> > > > 
> > > > Sascha,
> > > >   Your MLO boots fine. But I couldn't make repeat 
> success on either
> > > >   beagle or the omap3evem on my side.
> > > > 
> > > >   Each time there is an exception on entry of 
> setup_auxcr() on both
> > > >   boards. See attached image.
> > > > 
> > > >   I noticed that the size of the generated MLO for beagle 
> > > were different
> > > >   for us - 35224(yours) vs. 35572(mine).
> > > > 
> > > >   I am building with CodeSourcery 2011.03-41.
> > > 
> > > Ok, got it. Please replace the setup_auxcr patch with the 
> > > following one
> > > (I also updated the work/omap3 branch). The problem was 
> the missing
> > > ENDPROC(setup_auxcr) directive which tells the assembler that
> > > setup_auxcr is a function. With this the function is 
> correctly called
> > > with 'blx' instead of 'bl'. 'blx' is needed because setup_auxcr is
> > > compiled in arm mode instead of thumb2 mode. Somehow my toolchain
> > > got that right without ENDPROC but the codesourcery 
> toolchain didn't.
> > > With this patch the binary also works with the 
> codesourcery toolchain.
> > > 
> > 
> > I replaced the contents of auxcr.S and I am able to boot fine on the
> > OMAP3EVM.
> > 
> > BTW, I noticed that this file has no license header. Is this okay?
> 
> Added one. Can I have your tested-by?

Tested-by: Sanjeev Premi <premi@ti.com>

> 
> Sascha
> 
> 
> -- 
> Pengutronix e.K.                           |                  
>            |
> Industrial Linux Solutions                 | 
> http://www.pengutronix.de/  |
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      reply	other threads:[~2012-01-17 13:20 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-01-16 10:18 Sascha Hauer
2012-01-16 10:18 ` [PATCH 01/10] ARM omap3: remove OMAP3_COPY_CLOCK_SRAM Sascha Hauer
2012-01-16 10:18 ` [PATCH 02/10] ARM omap3 beagle xload: Move stack to SRAM Sascha Hauer
2012-01-16 10:18 ` [PATCH 03/10] ARM omap3: move board_init to pure_initcall Sascha Hauer
2012-01-16 10:18 ` [PATCH 04/10] ARM omap3: call a_init from board code Sascha Hauer
2012-01-16 10:18 ` [PATCH 05/10] ARM omap3 clock: move pll tables to C code Sascha Hauer
2012-01-16 10:18 ` [PATCH 06/10] ARM omap3: remove vector setup from lowlevel code Sascha Hauer
2012-01-16 10:18 ` [PATCH 07/10] ARM omap3: reimplement setup_auxcr in pure asm Sascha Hauer
2012-01-16 10:18 ` [PATCH 08/10] ARM cache-armv7: Add additional ISB Sascha Hauer
2012-01-16 10:18 ` [PATCH 09/10] mtd omap nand: fix driver without CONFIG_PARAMETER Sascha Hauer
2012-01-16 10:34   ` Sascha Hauer
2012-01-16 10:18 ` [PATCH 10/10] ARM omap3: make omap3_core.S thumb safe Sascha Hauer
2012-01-16 11:30 ` [PATCH] omap3 towards thumb2 support Premi, Sanjeev
2012-01-16 11:52   ` Sascha Hauer
2012-01-16 12:01     ` Premi, Sanjeev
2012-01-16 12:42       ` Premi, Sanjeev
2012-01-16 15:46         ` Sascha Hauer
2012-01-16 16:16           ` Premi, Sanjeev
2012-01-17 11:14             ` Premi, Sanjeev
2012-01-17 12:12               ` Sascha Hauer
2012-01-17 12:24                 ` Premi, Sanjeev
2012-01-17 13:10                   ` Sascha Hauer
2012-01-17 13:20                     ` Premi, Sanjeev [this message]

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