Ping.
Max
2016-07-27 20:10 GMT+02:00 Khem Raj <raj.k...@gmail.com>:
>
>> On Jul 27, 2016, at 10:55 AM, Max Krummenacher <max.oss...@gmail.com> wrote:
>>
>> _armv4t, _armv5te are not (no longer?) set as MACHINEOVERRIDES if an armv4t
>> or armv5te tune is set.
>> Thus the default ARM_INSTRUCTION_SET ??= "thumb" kicks in.
>>
>> Set the override to _armv4, _armv5 to get the expected ARM_INSTRUCTION_SET.
>>
>> While at it cleanup comment to keep up with changes.
>>
>> Build tested with a build for a _armv5te machine.
>
> this is ok.
>
>>
>> Signed-off-by: Max Krummenacher <max.krummenac...@toradex.com>
>> ---
>> conf/distro/include/angstrom.inc | 19 +++++++++----------
>> 1 file changed, 9 insertions(+), 10 deletions(-)
>>
>> diff --git a/conf/distro/include/angstrom.inc
>> b/conf/distro/include/angstrom.inc
>> index 778ab10..09f6121 100644
>> --- a/conf/distro/include/angstrom.inc
>> +++ b/conf/distro/include/angstrom.inc
>> @@ -46,16 +46,6 @@ require conf/distro/include/angstrom-${TCLIBC}.inc
>> require conf/distro/include/angstrom-java.inc
>> require conf/distro/include/angstrom-jalimo.conf
>>
>> -# ARM920T and up can use thumb mode to decrease binary size at the expense
>> of speed
>> -# (the complete story is a bit more nuanced due to cache starvation)
>> -# Angstrom turns on thumb for armv4t machine according to this RFC:
>> -#
>> http://lists.linuxtogo.org/pipermail/angstrom-distro-devel/2008-October/002714.html
>> -
>> -ARM_INSTRUCTION_SET ??= "thumb"
>> -ARM_INSTRUCTION_SET_armv4t ?= "arm"
>> -ARM_INSTRUCTION_SET_armv5te ?= "arm"
>> -ARM_INSTRUCTION_SET_armv6 ?= "arm"
>> -
>> # "arm" "thumb"
>> # The instruction set the compiler should use when generating application
>> # code. The kernel is always compiled with arm code at present. arm code
>> @@ -63,6 +53,15 @@ ARM_INSTRUCTION_SET_armv6 ?= "arm"
>> # encoded RISC sub-set. Thumb code is smaller (maybe 70% of the ARM size)
>> # but requires more instructions (140% for 70% smaller code) so may be
>> # slower.
>> +# thumb 2 is an evolution of the original thumb instruction set which
>> strives
>> +# to keep the code size advantages without the performance penality.
>> +# When setting thumb the compiler will use thumb or thumb2 depending on
>> what
>> +# the selected arm architecture.
>> +
>> +ARM_INSTRUCTION_SET ??= "thumb"
>> +ARM_INSTRUCTION_SET_armv4 ?= "arm"
>> +ARM_INSTRUCTION_SET_armv5 ?= "arm"
>> +ARM_INSTRUCTION_SET_armv6 ?= "arm"
>>
>> #Use this variable in feeds and other parts that need a URI
>> ANGSTROM_URI ?= "http://feeds.angstrom-distribution.org";
>> --
>> 2.5.5
>>
>>
>> _______________________________________________
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>> Angstrom-distro-devel@linuxtogo.org
>> http://lists.linuxtogo.org/cgi-bin/mailman/listinfo/angstrom-distro-devel
>
>
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