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| author | André Draszik <adraszik@tycoint.com> | 2016-06-10 16:12:38 +0100 |
|---|---|---|
| committer | Richard Purdie <richard.purdie@linuxfoundation.org> | 2016-06-12 23:46:49 +0100 |
| commit | e9d8b02a42eb08802e202770409cb5378b79b281 (patch) | |
| tree | e6b3e0365ff5cf5f503974e76250ff5addcb95d8 /meta/conf/machine/include/mips/feature-mips-mips16e.inc | |
| parent | 0d4857090c5dd0d940dca6ea90afc66a4007cd88 (diff) | |
| download | openembedded-core-e9d8b02a42eb08802e202770409cb5378b79b281.tar.gz openembedded-core-e9d8b02a42eb08802e202770409cb5378b79b281.tar.bz2 openembedded-core-e9d8b02a42eb08802e202770409cb5378b79b281.zip | |
mips: add a tune for using MIPS16e ASE instructions
The MIPS16e instruction set still has to be enabled by setting
MIPS_INSTRUCTION_SET = 'mips16e'
in e.g. distro.conf and can be disabled on a per-recipe basis as
needed.
This is a similar approach as is available on ARM for Thumb support.
Note that contrary to the ARM Thumb support in OE, we do add a new
OVERRIDE (mips16e), as there are some recipes in OE that need to be
compiled slightly differently if mips16e mode is requested.
Signed-off-by: André Draszik <adraszik@tycoint.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Diffstat (limited to 'meta/conf/machine/include/mips/feature-mips-mips16e.inc')
| -rw-r--r-- | meta/conf/machine/include/mips/feature-mips-mips16e.inc | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/meta/conf/machine/include/mips/feature-mips-mips16e.inc b/meta/conf/machine/include/mips/feature-mips-mips16e.inc new file mode 100644 index 0000000000..05011dec41 --- /dev/null +++ b/meta/conf/machine/include/mips/feature-mips-mips16e.inc @@ -0,0 +1,17 @@ +TUNEVALID[mips16e] = "Build target packages with MIPS16e ASE instructions" +MIPS_MIPS16E_OPT = "${@['mno-mips16', 'mips16'][d.getVar('MIPS_INSTRUCTION_SET', True) == 'mips16e']}" +TUNE_CCARGS .= "${@bb.utils.contains('TUNE_FEATURES', 'mips16e', ' -${MIPS_MIPS16E_OPT}', '', d)}" + +MIPSPKGSFX_MIPS16E .= "${@bb.utils.contains('TUNE_FEATURES', 'mips16e', '-m16', '', d) if d.getVar('MIPS_MIPS16E_OPT', True) == 'mips16' else ''}" + +# Whether to compile with code to allow interworking between the two +# instruction sets. This allows mips16e code to be executed on a primarily +# mips32/64 system and vice versa. It is strongly recommended that DISTROs not +# turn this off - the actual cost is very small. +TUNEVALID[no-interlink-compressed] = "Disable mixing of standard and MIPS16e code" +MIPS16_TUNE_CCARGS .= "${@bb.utils.contains('TUNE_FEATURES', 'no-interlink-compressed', ' -mno-interlink-compressed', ' -minterlink-compressed', d)}" +TUNE_CCARGS .= "${@bb.utils.contains('TUNE_FEATURES', 'mips16e', ' ${MIPS16_TUNE_CCARGS}', '', d)}" +OVERRIDES .= "${@bb.utils.contains('TUNE_FEATURES', 'mips16e', ':mips16e', '', d)}" + +# show status (if compiling in MIPS16e mode) +BUILDCFG_VARS += "${@['', 'MIPS_INSTRUCTION_SET'][d.getVar('MIPS_INSTRUCTION_SET', True) == 'mips16e']}" |