On Fri, Jul 29, 2011 at 07:04:33PM +0200, Martin Jansa wrote: > Signed-off-by: Martin Jansa <[email protected]> > --- > .../conf/machine/include/arm/feature-arm-thumb.inc | 3 ++- > 1 files changed, 2 insertions(+), 1 deletions(-) > > diff --git a/meta/conf/machine/include/arm/feature-arm-thumb.inc > b/meta/conf/machine/include/arm/feature-arm-thumb.inc > index b580168..e7d392e 100644 > --- a/meta/conf/machine/include/arm/feature-arm-thumb.inc > +++ b/meta/conf/machine/include/arm/feature-arm-thumb.inc > @@ -5,7 +5,8 @@ > # but requires more instructions (140% for 70% smaller code) so may be > # slower. > TUNEVALID[thumb] = "Use thumb instructions instead of ARM" > -TUNE_CCARGS += "${@bb.utils.contains("TUNE_FEATURES", "thumb", "-mthumb", > "-mno-thumb", d)}" > +ARM_THUMB_M_OPT = "${@['-mno-thumb', > '-mthumb'][bb.data.getVar('ARM_INSTRUCTION_SET', d, 1) == 'thumb']}" > +TUNE_CCARGS += "${@bb.utils.contains("TUNE_FEATURES", "thumb", > "${ARM_THUMB_M_OPT}", "${ARM_THUMB_M_OPT}", d)}" > OVERRIDES .= "${@bb.utils.contains("TUNE_FEATURES", "thumb", ":thumb", "", > d)}" > > # Note armv7 will hit on armv7a as well > -- > 1.7.6 >
This seems to work, but be aware that _armv4t override is not respected
anymore :/.
I was using something like this to set default ARM_INSTRUCTION_SET from
distro config:
PREFERRED_ARM_INSTRUCTION_SET_armv4t = "thumb"
PREFERRED_ARM_INSTRUCTION_SET_armv5te = "thumb"
PREFERRED_ARM_INSTRUCTION_SET_armv5teb = "thumb"
PREFERRED_ARM_INSTRUCTION_SET ?= "arm"
ARM_INSTRUCTION_SET = "${PREFERRED_ARM_INSTRUCTION_SET}"
but from -e output it's clear that it's ignored
# PREFERRED_ARM_INSTRUCTION_SET_armv4t=thumb
PREFERRED_ARM_INSTRUCTION_SET_armv4t="thumb"
# PREFERRED_ARM_INSTRUCTION_SET=arm
PREFERRED_ARM_INSTRUCTION_SET="arm"
# PREFERRED_ARM_INSTRUCTION_SET_armv5te=thumb
PREFERRED_ARM_INSTRUCTION_SET_armv5te="thumb"
# PREFERRED_ARM_INSTRUCTION_SET_armv5teb=thumb
PREFERRED_ARM_INSTRUCTION_SET_armv5teb="thumb"
# ARM_INSTRUCTION_SET=${PREFERRED_ARM_INSTRUCTION_SET}
ARM_INSTRUCTION_SET="arm"
Regards,
--
Martin 'JaMa' Jansa jabber: [email protected]
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