[oe] [RFC][PATCH] distro: Move thumb into distro features

Koen Kooi k.kooi at student.utwente.nl
Wed Jul 21 08:21:20 UTC 2010


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On 20-07-10 07:08, Khem Raj wrote:
> On Mon, Jul 19, 2010 at 3:46 PM, Khem Raj <raj.khem at gmail.com> wrote:
>> On Mon, Jul 19, 2010 at 1:18 AM, Khem Raj <raj.khem at gmail.com> wrote:
>>> * Currenlty we define the thumb specific overrides in machine tune files
>>>  and as machine conf files are included before the distro conf files
>>>  the overrides dont get right values and set incorrectly.
>>>
>>> * This patch moves the tune-thumb.inc from machine/include into
>>>  distro/include and lets distro decide on thumb and thumb-interworking
>>>  features based on the machine selected. If a machine which does not
>>>  support thumb like all armv4 based machines is selected then distro
>>>  makes correct decision now to disable thumb and thumb-interworking
>>>  based upon the machine seletected.
>>
>> I accidentally hit push button in wrong branch and this commit got pushed
>> I will revert it once I get home later today if someone gets bitten before
>> feel free to revert it.
> 
> Done. Meanwhile, Does this patch look ok for .dev ? I would like some ACKs

Looks fine for angstrom:

Acked-by: Koen Kooi <koen at openembedded.org>

> 
> Thanks
> -Khem
> 
>>
>>>
>>> Signed-off-by: Khem Raj <raj.khem at gmail.com>
>>> ---
>>>  conf/distro/angstrom-2008.1.conf            |    1 +
>>>  conf/distro/gmustix.conf                    |    2 +
>>>  conf/distro/include/arm-thumb.inc           |   32 +++++++++++++++++++++++++++
>>>  conf/distro/kaeilos-2010.conf               |    1 +
>>>  conf/distro/kaeilos.conf                    |    1 +
>>>  conf/distro/micro.conf                      |    1 +
>>>  conf/distro/minimal.conf                    |    3 +-
>>>  conf/distro/shr.conf                        |    1 +
>>>  conf/distro/slugos.conf                     |    2 +
>>>  conf/machine/include/ixp4xx.inc             |    1 -
>>>  conf/machine/include/tune-arm1136-novfp.inc |    3 --
>>>  conf/machine/include/tune-arm1136jf-s.inc   |    3 --
>>>  conf/machine/include/tune-arm1176jzf-s.inc  |    3 --
>>>  conf/machine/include/tune-arm920t.inc       |    4 ---
>>>  conf/machine/include/tune-arm926ejs.inc     |    3 --
>>>  conf/machine/include/tune-arm9tdmi.inc      |    4 ---
>>>  conf/machine/include/tune-armv7.inc         |    4 ---
>>>  conf/machine/include/tune-ep9312.inc        |    3 --
>>>  conf/machine/include/tune-thumb.inc         |   32 ---------------------------
>>>  conf/machine/include/tune-xscale.inc        |    4 ---
>>>  conf/machine/palmz31.conf                   |    3 --
>>>  conf/machine/palmz72.conf                   |    3 --
>>>  22 files changed, 43 insertions(+), 71 deletions(-)
>>>  create mode 100644 conf/distro/include/arm-thumb.inc
>>>  delete mode 100644 conf/machine/include/tune-thumb.inc
>>>
>>> diff --git a/conf/distro/angstrom-2008.1.conf b/conf/distro/angstrom-2008.1.conf
>>> index 7c70c84..84e8096 100644
>>> --- a/conf/distro/angstrom-2008.1.conf
>>> +++ b/conf/distro/angstrom-2008.1.conf
>>> @@ -136,6 +136,7 @@ PREFERRED_VERSION_binutils-cross-sdk_avr32 = "2.17"
>>>
>>>  # Toolchain virtuals:
>>>  require conf/distro/include/toolchain-${TOOLCHAIN_TYPE}.inc
>>> +require conf/distro/include/arm-thumb.inc
>>>
>>>  PREFERRED_PROVIDER_dbus-glib             = "dbus-glib"
>>>  PREFERRED_PROVIDER_hotplug               = "udev"
>>> diff --git a/conf/distro/gmustix.conf b/conf/distro/gmustix.conf
>>> index 17f8056..5dd519d 100644
>>> --- a/conf/distro/gmustix.conf
>>> +++ b/conf/distro/gmustix.conf
>>> @@ -5,6 +5,8 @@
>>>  INHERIT += "package_tar package_ipk"
>>>  LIBC = "uclibc"
>>>  require conf/distro/include/${LIBC}.inc
>>> +require conf/distro/include/arm-thumb.inc
>>> +
>>>  TARGET_OS = "linux-uclibc"
>>>  TARGET_FPU = "soft"
>>>  IMAGE_FSTYPES = "jffs2"
>>> diff --git a/conf/distro/include/arm-thumb.inc b/conf/distro/include/arm-thumb.inc
>>> new file mode 100644
>>> index 0000000..cd88bb4
>>> --- /dev/null
>>> +++ b/conf/distro/include/arm-thumb.inc
>>> @@ -0,0 +1,32 @@
>>> +#tune file for thumb instructions
>>> +
>>> +ARM_INSTRUCTION_SET ?= "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
>>> +#    is the original 32 bit ARM instruction set, thumb code is the 16 bit
>>> +#    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_INTERWORK ?= "no"
>>> +# "yes" "no"
>>> +#    Whether to compile with code to allow interworking between the two
>>> +#    instruction sets.  This allows thumb code to be executed on a primarily
>>> +#    arm system and vice versa.  It is strongly recommended that DISTROs not
>>> +#    turn this off - the actual cost is very small.
>>> +
>>> +OVERRIDE_THUMB = "${@['', ':thumb'][bb.data.getVar('ARM_INSTRUCTION_SET', d, 1) == 'thumb']}"
>>> +OVERRIDE_INTERWORK = "${@['', ':thumb-interwork'][bb.data.getVar('THUMB_INTERWORK', d, 1) == 'yes']}"
>>> +OVERRIDES .= "${OVERRIDE_THUMB}${OVERRIDE_INTERWORK}"
>>> +
>>> +#    Compiler and linker options for application code and kernel code.  These
>>> +#    options ensure that the compiler has the correct settings for the selected
>>> +#    instruction set and interworking.
>>> +ARM_INTERWORK_M_OPT = "${@['-mno-thumb-interwork', '-mthumb-interwork'][bb.data.getVar('THUMB_INTERWORK', d, 1) == 'yes']}"
>>> +ARM_THUMB_M_OPT = "${@['-mno-thumb', '-mthumb'][bb.data.getVar('ARM_INSTRUCTION_SET', d, 1) == 'thumb']}"
>>> +
>>> +#
>>> +TARGET_CC_ARCH +=  "${ARM_INTERWORK_M_OPT} ${ARM_THUMB_M_OPT}"
>>> +TARGET_CC_KERNEL_ARCH  += "-mno-thumb-interwork -mno-thumb"
>>> +
>>> diff --git a/conf/distro/kaeilos-2010.conf b/conf/distro/kaeilos-2010.conf
>>> index 4bb637c..ba37445 100644
>>> --- a/conf/distro/kaeilos-2010.conf
>>> +++ b/conf/distro/kaeilos-2010.conf
>>> @@ -96,6 +96,7 @@ PREFERRED_VERSION_gcc-cross-intermediate ?= "${KAEILOS_GCC_VERSION}"
>>>
>>>  PREFERRED_ARM_INSTRUCTION_SET ?= "thumb"
>>>  require conf/distro/include/sane-toolchain.inc
>>> +require conf/distro/include/arm-thumb.inc
>>>
>>>  PREFERRED_PROVIDER_dbus-glib             = "dbus-glib"
>>>  PREFERRED_PROVIDER_hotplug               = "udev"
>>> diff --git a/conf/distro/kaeilos.conf b/conf/distro/kaeilos.conf
>>> index eb12d2e..b141280 100644
>>> --- a/conf/distro/kaeilos.conf
>>> +++ b/conf/distro/kaeilos.conf
>>> @@ -124,6 +124,7 @@ PREFERRED_VERSION_binutils-cross-sdk_avr32 = "2.17"
>>>
>>>  # Toolchain virtuals:
>>>  require conf/distro/include/toolchain-${TOOLCHAIN_TYPE}.inc
>>> +require conf/distro/include/arm-thumb.inc
>>>
>>>  PREFERRED_PROVIDER_dbus-glib             = "dbus-glib"
>>>  PREFERRED_PROVIDER_hotplug               = "udev"
>>> diff --git a/conf/distro/micro.conf b/conf/distro/micro.conf
>>> index 9885425..fc50391 100644
>>> --- a/conf/distro/micro.conf
>>> +++ b/conf/distro/micro.conf
>>> @@ -66,6 +66,7 @@ PREFERRED_VERSION_glibc             ?= "2.10.1"
>>>  PREFERRED_VERSION_glibc-initial     ?= "2.10.1"
>>>  PREFERRED_ARM_INSTRUCTION_SET ?= "thumb"
>>>  require conf/distro/include/sane-toolchain.inc
>>> +require conf/distro/include/arm-thumb.inc
>>>
>>>  #############################################################################
>>>  # OVERRIDES adjusted from bitbake.conf to feature the MACHINE_CLASS
>>> diff --git a/conf/distro/minimal.conf b/conf/distro/minimal.conf
>>> index e400c14..9a08130 100644
>>> --- a/conf/distro/minimal.conf
>>> +++ b/conf/distro/minimal.conf
>>> @@ -16,7 +16,7 @@ DISTRO_VERSION = "dev-snapshot-${SRCDATE}"
>>>  DISTRO_TYPE ?= "debug"
>>>
>>>  # Ensure some form of release config, so error out if someone thinks he knows better
>>> -DISTRO_CHECK := "${@bb.data.getVar('DISTRO_VERSION',d,1) or bb.fatal('Remove this line or set a dummy DISTRO_VERSION")
>>> +DISTRO_CHECK := "${@bb.data.getVar('DISTRO_VERSION',d,1) or bb.fatal('Remove this line or set a dummy DISTRO_VERSION')}"
>>>
>>>  #############################################################################
>>>  # FEATURE SELECTION
>>> @@ -86,6 +86,7 @@ MACHINE_KERNEL_VERSION = "2.6"
>>>  #############################################################################
>>>  LIBC ?= "eglibc"
>>>  require conf/distro/include/sane-toolchain.inc
>>> +require conf/distro/include/arm-thumb.inc
>>>
>>>  #############################################################################
>>>  # PREFERRED VERSIONS
>>> diff --git a/conf/distro/shr.conf b/conf/distro/shr.conf
>>> index f0167da..9fd156f 100644
>>> --- a/conf/distro/shr.conf
>>> +++ b/conf/distro/shr.conf
>>> @@ -159,6 +159,7 @@ PREFERRED_VERSION_eglibc             ?= "2.12"
>>>  PREFERRED_VERSION_eglibc-initial     ?= "2.12"
>>>  PREFERRED_GCC_VERSION                ?= "4.5"
>>>  require conf/distro/include/sane-toolchain.inc
>>> +require conf/distro/include/arm-thumb.inc
>>>
>>>  # Set some java bits
>>>  require conf/distro/include/sane-toolchain-java.inc
>>> diff --git a/conf/distro/slugos.conf b/conf/distro/slugos.conf
>>> index 5a2f0dc..5f9c06c 100644
>>> --- a/conf/distro/slugos.conf
>>> +++ b/conf/distro/slugos.conf
>>> @@ -22,3 +22,5 @@ require conf/distro/include/slugos.inc
>>>  # Can be either glibc or eglibc (or perhaps even uclibc)
>>>  LIBC ?= "eglibc"
>>>  require conf/distro/include/${LIBC}.inc
>>> +require conf/distro/include/arm-thumb.inc
>>> +
>>> diff --git a/conf/machine/include/ixp4xx.inc b/conf/machine/include/ixp4xx.inc
>>> index 192cbb1..cf7f0dd 100644
>>> --- a/conf/machine/include/ixp4xx.inc
>>> +++ b/conf/machine/include/ixp4xx.inc
>>> @@ -22,7 +22,6 @@ IMAGE_FSTYPES ?= "jffs2 tar.gz"
>>>  EXTRA_IMAGECMD_jffs2 = "--pad --eraseblock=0x20000 -n"
>>>
>>>  require conf/machine/include/tune-xscale.inc
>>> -require conf/machine/include/tune-thumb.inc
>>>
>>>  #-------------------------------------------------------------------------------
>>>  # Board defaults
>>> diff --git a/conf/machine/include/tune-arm1136-novfp.inc b/conf/machine/include/tune-arm1136-novfp.inc
>>> index e1f7945..58134b7 100644
>>> --- a/conf/machine/include/tune-arm1136-novfp.inc
>>> +++ b/conf/machine/include/tune-arm1136-novfp.inc
>>> @@ -5,6 +5,3 @@ TARGET_CC_ARCH = "-march=armv6j -mtune=arm1136jf-s"
>>>  FEED_ARCH = "armv6-novfp"
>>>  BASE_PACKAGE_ARCH = "armv6-novfp"
>>>  PACKAGE_EXTRA_ARCHS += "armv4 armv4t armv5te armv6-novfp"
>>> -
>>> -# Include tune file for thumb support, it defaults to off so DISTROs can turn it on if they wish
>>> -require conf/machine/include/tune-thumb.inc
>>> diff --git a/conf/machine/include/tune-arm1136jf-s.inc b/conf/machine/include/tune-arm1136jf-s.inc
>>> index c532b9c..2944cc7 100644
>>> --- a/conf/machine/include/tune-arm1136jf-s.inc
>>> +++ b/conf/machine/include/tune-arm1136jf-s.inc
>>> @@ -2,6 +2,3 @@ TARGET_CC_ARCH = "-march=armv6j -mtune=arm1136jf-s -mfpu=vfp -mfloat-abi=softfp"
>>>  FEED_ARCH = "armv6"
>>>  BASE_PACKAGE_ARCH = "armv6"
>>>  PACKAGE_EXTRA_ARCHS += "armv4 armv4t armv5te armv6"
>>> -
>>> -# Include tune file for thumb support, it defaults to off so DISTROs can turn it on if they wish
>>> -require conf/machine/include/tune-thumb.inc
>>> diff --git a/conf/machine/include/tune-arm1176jzf-s.inc b/conf/machine/include/tune-arm1176jzf-s.inc
>>> index b7c5291..ee2884b 100644
>>> --- a/conf/machine/include/tune-arm1176jzf-s.inc
>>> +++ b/conf/machine/include/tune-arm1176jzf-s.inc
>>> @@ -2,6 +2,3 @@ TARGET_CC_ARCH = "-march=armv6j -mtune=arm1176jzf-s -mfpu=vfp -mfloat-abi=softfp
>>>  FEED_ARCH = "armv6"
>>>  BASE_PACKAGE_ARCH = "armv6"
>>>  PACKAGE_EXTRA_ARCHS += "armv4 armv4t armv5te armv6"
>>> -
>>> -# Include tune file for thumb support, it defaults to off so DISTROs can turn it on if they wish
>>> -require conf/machine/include/tune-thumb.inc
>>> diff --git a/conf/machine/include/tune-arm920t.inc b/conf/machine/include/tune-arm920t.inc
>>> index 5a373e9..fee5c58 100644
>>> --- a/conf/machine/include/tune-arm920t.inc
>>> +++ b/conf/machine/include/tune-arm920t.inc
>>> @@ -2,7 +2,3 @@ FEED_ARCH = "armv4t"
>>>  BASE_PACKAGE_ARCH = "armv4t"
>>>  TARGET_CC_ARCH = "-march=armv4t -mtune=arm920t"
>>>  PACKAGE_EXTRA_ARCHS += "armv4 armv4t"
>>> -
>>> -# Include tune file for thumb support, it defaults to off so DISTROs can turn it on if they wish
>>> -require conf/machine/include/tune-thumb.inc
>>> -
>>> diff --git a/conf/machine/include/tune-arm926ejs.inc b/conf/machine/include/tune-arm926ejs.inc
>>> index f6f5064..f41e460 100644
>>> --- a/conf/machine/include/tune-arm926ejs.inc
>>> +++ b/conf/machine/include/tune-arm926ejs.inc
>>> @@ -5,6 +5,3 @@ PACKAGE_EXTRA_ARCHS += "armv4 armv4t armv5te"
>>>  # For gcc 4.x you need:
>>>  TARGET_CC_ARCH = "-march=armv5te -mtune=arm926ej-s"
>>>  BASE_PACKAGE_ARCH = "armv5te"
>>> -
>>> -# Include tune file for thumb support, it defaults to off so DISTROs can turn it on if they wish
>>> -require conf/machine/include/tune-thumb.inc
>>> diff --git a/conf/machine/include/tune-arm9tdmi.inc b/conf/machine/include/tune-arm9tdmi.inc
>>> index a11ee38..d788b53 100644
>>> --- a/conf/machine/include/tune-arm9tdmi.inc
>>> +++ b/conf/machine/include/tune-arm9tdmi.inc
>>> @@ -2,7 +2,3 @@ FEED_ARCH = "armv4t"
>>>  BASE_PACKAGE_ARCH = "armv4t"
>>>  PACKAGE_EXTRA_ARCHS += "armv4 armv4t"
>>>  TARGET_CC_ARCH = "-mcpu=arm9tdmi -mtune=arm9tdmi"
>>> -
>>> -# Include tune file for thumb support, it defaults to off so DISTROs can turn it on if they wish
>>> -require conf/machine/include/tune-thumb.inc
>>> -
>>> diff --git a/conf/machine/include/tune-armv7.inc b/conf/machine/include/tune-armv7.inc
>>> index 05ec3da..379a3eb 100644
>>> --- a/conf/machine/include/tune-armv7.inc
>>> +++ b/conf/machine/include/tune-armv7.inc
>>> @@ -5,7 +5,3 @@ TARGET_CC_ARCH = "-march=armv7 -mfpu=vfp -mfloat-abi=softfp"
>>>  FEED_ARCH = "armv7"
>>>  PACKAGE_EXTRA_ARCHS += "armv4 armv4t armv5te armv6 armv7"
>>>  BASE_PACKAGE_ARCH = "armv7"
>>> -
>>> -# Include tune file for thumb support, it defaults to off so DISTROs can turn it on if they wish
>>> -require conf/machine/include/tune-thumb.inc
>>> -
>>> diff --git a/conf/machine/include/tune-ep9312.inc b/conf/machine/include/tune-ep9312.inc
>>> index c8770e0..7458281 100644
>>> --- a/conf/machine/include/tune-ep9312.inc
>>> +++ b/conf/machine/include/tune-ep9312.inc
>>> @@ -5,9 +5,6 @@ PACKAGE_EXTRA_ARCHS += "armv4t ep9312"
>>>  BASE_PACKAGE_ARCH = "ep9312"
>>>  FEED_ARCH = "ep9312"
>>>
>>> -# Include tune file for thumb support, it defaults to off so DISTROs can turn it on if they wish
>>> -require conf/machine/include/tune-thumb.inc
>>> -
>>>  FULL_OPTIMIZATION = "-fexpensive-optimizations -fomit-frame-pointer -frename-registers -O -fno-signed-zeros"
>>>  DEBUG_OPTIMIZATION = "-O -fno-omit-frame-pointer -g"
>>>  SELECTED_OPTIMIZATION = "${@bb.data.getVar(['FULL_OPTIMIZATION', 'DEBUG_OPTIMIZATION'][bb.data.getVar('DEBUG_BUILD', d, 1) == '1'], d, 1)}"
>>> diff --git a/conf/machine/include/tune-thumb.inc b/conf/machine/include/tune-thumb.inc
>>> deleted file mode 100644
>>> index cd88bb4..0000000
>>> --- a/conf/machine/include/tune-thumb.inc
>>> +++ /dev/null
>>> @@ -1,32 +0,0 @@
>>> -#tune file for thumb instructions
>>> -
>>> -ARM_INSTRUCTION_SET ?= "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
>>> -#    is the original 32 bit ARM instruction set, thumb code is the 16 bit
>>> -#    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_INTERWORK ?= "no"
>>> -# "yes" "no"
>>> -#    Whether to compile with code to allow interworking between the two
>>> -#    instruction sets.  This allows thumb code to be executed on a primarily
>>> -#    arm system and vice versa.  It is strongly recommended that DISTROs not
>>> -#    turn this off - the actual cost is very small.
>>> -
>>> -OVERRIDE_THUMB = "${@['', ':thumb'][bb.data.getVar('ARM_INSTRUCTION_SET', d, 1) == 'thumb']}"
>>> -OVERRIDE_INTERWORK = "${@['', ':thumb-interwork'][bb.data.getVar('THUMB_INTERWORK', d, 1) == 'yes']}"
>>> -OVERRIDES .= "${OVERRIDE_THUMB}${OVERRIDE_INTERWORK}"
>>> -
>>> -#    Compiler and linker options for application code and kernel code.  These
>>> -#    options ensure that the compiler has the correct settings for the selected
>>> -#    instruction set and interworking.
>>> -ARM_INTERWORK_M_OPT = "${@['-mno-thumb-interwork', '-mthumb-interwork'][bb.data.getVar('THUMB_INTERWORK', d, 1) == 'yes']}"
>>> -ARM_THUMB_M_OPT = "${@['-mno-thumb', '-mthumb'][bb.data.getVar('ARM_INSTRUCTION_SET', d, 1) == 'thumb']}"
>>> -
>>> -#
>>> -TARGET_CC_ARCH +=  "${ARM_INTERWORK_M_OPT} ${ARM_THUMB_M_OPT}"
>>> -TARGET_CC_KERNEL_ARCH  += "-mno-thumb-interwork -mno-thumb"
>>> -
>>> diff --git a/conf/machine/include/tune-xscale.inc b/conf/machine/include/tune-xscale.inc
>>> index 3a6bd0e..f0f58bc 100644
>>> --- a/conf/machine/include/tune-xscale.inc
>>> +++ b/conf/machine/include/tune-xscale.inc
>>> @@ -7,7 +7,3 @@ TARGET_CC_ARCH = "-march=armv5te -mtune=xscale"
>>>  TARGET_CC_KERNEL_ARCH = "-march=armv5te -mtune=xscale"
>>>  PACKAGE_EXTRA_ARCHS += "${@['armv4b armv4tb armv5teb', 'armv4 armv4t armv5te'][ bb.data.getVar('TARGET_ARCH', d, 1) == 'arm']}"
>>>  BASE_PACKAGE_ARCH = "${@['armv5teb', 'armv5te'][bb.data.getVar('TARGET_ARCH', d, 1) == 'arm']}"
>>> -
>>> -# Include tune file for thumb support, it defaults to off so DISTROs can turn it on if they wish
>>> -require conf/machine/include/tune-thumb.inc
>>> -
>>> diff --git a/conf/machine/palmz31.conf b/conf/machine/palmz31.conf
>>> index 0332952..9fb5f7e 100644
>>> --- a/conf/machine/palmz31.conf
>>> +++ b/conf/machine/palmz31.conf
>>> @@ -11,9 +11,6 @@ MACHINE_DISPLAY_HEIGHT_PIXELS = "160"
>>>
>>>  SERIAL_CONSOLE = "115200 ttyS0"
>>>
>>> -# Use tune-xscale per default. Machine independent feeds should be built with tune-strongarm.
>>> -require conf/machine/include/tune-thumb.inc
>>> -
>>>  MACHINE_EXTRA_RRECOMMENDS += "kernel-module-i2c-pxa \
>>>                             kernel-module-i2c-algo-pxa \
>>>                             kernel-module-i2c-dev \
>>> diff --git a/conf/machine/palmz72.conf b/conf/machine/palmz72.conf
>>> index 502c11a..9766434 100644
>>> --- a/conf/machine/palmz72.conf
>>> +++ b/conf/machine/palmz72.conf
>>> @@ -11,9 +11,6 @@ MACHINE_DISPLAY_HEIGHT_PIXELS = "320"
>>>
>>>  SERIAL_CONSOLE = "115200 ttyS0"
>>>
>>> -# Use tune-xscale per default. Machine independent feeds should be built with tune-strongarm.
>>> -require conf/machine/include/tune-thumb.inc
>>> -
>>>  MACHINE_EXTRA_RRECOMMENDS += "kernel-module-i2c-pxa \
>>>                             kernel-module-i2c-algo-pxa \
>>>                             kernel-module-i2c-dev \
>>> --
>>> 1.7.0.4
>>>
>>>
>>

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