Re: [ACTIVITY] w02

2012-01-15 Thread Michael Hope
On Fri, Jan 13, 2012 at 3:40 AM, Asa Sandahl  wrote:
> * Started with some day-to-day activities in the team. Looking after the
> proposals and the cbuild scheduler. Will start
> Created problem log for scheduler problems, there is a link to it from the
> jobs page. https://wiki.linaro.org/WorkingGroups/ToolChain/SchedulerProblems
>
> * Worked on producing graphs for benchmark results using matplotlib.
> Michael: Would it be ok to put my script in
> linaro-toolchain-benchmarks/scripts?

Go for it.  If you do a one-off script, don't bother.  Otherwise add
everything so we don't have to redo them.

-- Michael

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Re: uImage built with pre-built linaro toolchain failed to start

2012-01-15 Thread Michael Hope
On Wed, Jan 11, 2012 at 10:27 PM, Lv Terry-R65388  wrote:
> Hi Michael,
>
>        By adding -mno-unaligned-access, kernel can start now.
>
>        I've another question, Does this option have some impact on 
> performance?

Hi Terry.  It should improve things.  Before this patch the compiler
would emit the instructions to do a byte-by-byte load and recombine
these into the final word.  With this patch it does a single load and
lets the hardware sort it out.

-- Michael

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Re: New conference call number

2012-01-15 Thread Michael Hope
On Tue, Jan 10, 2012 at 1:58 PM, Michael Hope  wrote:
> Hi there.  Starting next week we'll switch to the Zip conference line.  See:
>  https://wiki.linaro.org/Resources/ZipConferenceLine
>
> under 1-719-457-1414 for a list of numbers.  A selected few are:
>  UK  0 808 101 1146
>  Germany  0 800 181 9019
>  Sweden  02 079 7556
>  Brazil, Sao Paulo Local  +55 11 5582 6534
>  Australia  1 800 105 680
>  China  +400 148 5400
>  NZ  0800 451 015
>
> The code is 763 804 0680.

A reminder that today's 0900 UTC call is on the new number.  See you there!

-- Michael

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[ACTIVITY] Week 02

2012-01-15 Thread Zhenqiang Chen
Summary:
* Enhance crosstool-ng build process.

Details:
1. crosstool-ng patches:
  * Reproduce the build process by following the README and enhance
the document.
  * Update .config to strip all toolchain executables
  * Replace harded-coded VERSION by reading config file.
  * Remove host libiberty.a
  * Patch on how to strip debug sections is in discussion.

2. Update the crosstool-ng based embedded toolchain build scripts
according to the review comments. And replace most of hard-coded
config by reading them from .config.

3. Unexpected build fail for gcc 4.7/trunk from crosstool-ng due to
unsupported ENDIAN_LDFLAG "-EL", which is used in "LDFLAGS_FOR_TARGET"
to build libstdc++. (LDFLAGS_FOR_TARGET seams not used in gcc 4.6).
Need more investigation.

Plan:
* Fix the binary build related bugs.
* Ramp-up on gcc.

Planned Absence:
* Jan 21-29, 2012 Chinese Spring Festival

Best regards!
-Zhenqiang

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