diff options
author | Patrick Williams <patrick@stwcx.xyz> | 2016-08-17 14:31:25 -0500 |
---|---|---|
committer | Patrick Williams <patrick@stwcx.xyz> | 2016-08-22 16:43:26 +0000 |
commit | 60f9d69e016b11c468c98ea75ba0a60c44afbbc4 (patch) | |
tree | ecb49581a9e41a37943c22cd9ef3f63451b20ee7 /import-layers/yocto-poky/meta/conf/machine/include/arm/feature-arm-thumb.inc | |
parent | e18c61205e0234b03697129c20cc69c9b3940efc (diff) | |
download | blackbird-openbmc-60f9d69e016b11c468c98ea75ba0a60c44afbbc4.tar.gz blackbird-openbmc-60f9d69e016b11c468c98ea75ba0a60c44afbbc4.zip |
yocto-poky: Move to import-layers subdir
We are going to import additional layers, so create a subdir to
hold all of the layers that we import with git-subtree.
Change-Id: I6f732153a22be8ca663035c518837e3cc5ec0799
Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Diffstat (limited to 'import-layers/yocto-poky/meta/conf/machine/include/arm/feature-arm-thumb.inc')
-rw-r--r-- | import-layers/yocto-poky/meta/conf/machine/include/arm/feature-arm-thumb.inc | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/import-layers/yocto-poky/meta/conf/machine/include/arm/feature-arm-thumb.inc b/import-layers/yocto-poky/meta/conf/machine/include/arm/feature-arm-thumb.inc new file mode 100644 index 000000000..1faebf7c2 --- /dev/null +++ b/import-layers/yocto-poky/meta/conf/machine/include/arm/feature-arm-thumb.inc @@ -0,0 +1,33 @@ +TUNEVALID[thumb] = "Use thumb instructions instead of ARM" +ARM_THUMB_OPT = "${@['arm', 'thumb'][d.getVar('ARM_INSTRUCTION_SET', True) == 'thumb']}" +ARM_THUMB_SUFFIX .= "${@bb.utils.contains('TUNE_FEATURES', 'armv4', 't', '', d)}" +ARM_THUMB_SUFFIX .= "${@bb.utils.contains('TUNE_FEATURES', 'armv5', 't', '', d)}" +ARM_THUMB_SUFFIX .= "${@bb.utils.contains('TUNE_FEATURES', 'armv6', 't', '', d)}" +ARM_THUMB_SUFFIX .= "${@bb.utils.contains('TUNE_FEATURES', 'armv7a', 't2', '', d)}" +ARM_THUMB_SUFFIX .= "${@bb.utils.contains('TUNE_FEATURES', 'armv7r', 't2', '', d)}" +ARM_THUMB_SUFFIX .= "${@bb.utils.contains('TUNE_FEATURES', 'armv7m', 't2', '', d)}" +ARM_THUMB_SUFFIX .= "${@bb.utils.contains('TUNE_FEATURES', 'armv7ve', 't2', '', d)}" + +# If the device supports ARM, then respect ARM_THUMB_OPT (which can be "arm" or "thumb") +# If the defice doesn't support ARM, then always set "thumb" even when +# some recipe explicitly sets ARM_INSTRUCTION_SET to "arm" +ARM_M_OPT = "${@bb.utils.contains('TUNE_FEATURES', 'arm', '${ARM_THUMB_OPT}', 'thumb', d)}" +python () { + if bb.utils.contains('TUNE_FEATURES', 'thumb', False, True, d): + return + selected = d.getVar('ARM_INSTRUCTION_SET', True) + if selected == None: + return + used = d.getVar('ARM_M_OPT', True) + if selected != used: + pn = d.getVar('PN', True) + bb.warn("Recipe '%s' selects ARM_INSTRUCTION_SET to be '%s', but tune configuration overrides it to '%s'" % (pn, selected, used)) +} + +TUNE_CCARGS .= "${@bb.utils.contains('TUNE_FEATURES', 'thumb', ' -m${ARM_M_OPT}', '', d)}" + +# Add suffix from ARM_THUMB_SUFFIX only if after all this we still set ARM_M_OPT to thumb +ARMPKGSFX_THUMB .= "${@bb.utils.contains('TUNE_FEATURES', 'thumb', '${ARM_THUMB_SUFFIX}', '', d) if d.getVar('ARM_M_OPT', True) == 'thumb' else ''}" + +# what about armv7m devices which don't support -marm (e.g. Cortex-M3)? +TARGET_CC_KERNEL_ARCH += "${@bb.utils.contains('TUNE_FEATURES', 'thumb', '-mno-thumb-interwork -marm', '', d)}" |