diff options
Diffstat (limited to 'meta-oe/conf/machine/include/tune-cortexa8.inc')
| -rw-r--r-- | meta-oe/conf/machine/include/tune-cortexa8.inc | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/meta-oe/conf/machine/include/tune-cortexa8.inc b/meta-oe/conf/machine/include/tune-cortexa8.inc new file mode 100644 index 0000000000..2ac0ebfe45 --- /dev/null +++ b/meta-oe/conf/machine/include/tune-cortexa8.inc @@ -0,0 +1,17 @@ +# Instead of using -mfpu=vfp[2] we can use -mfpu=neon to make use of gcc intrinsics[1] and vectorize loops with -ftree-vectorize[3] +# [1] http://gcc.gnu.org/onlinedocs/gcc/ARM-NEON-Intrinsics.html +# [2] http://gcc.gnu.org/onlinedocs/gcc/ARM-Options.html +# [3] https://support.codesourcery.com/GNUToolchain/kbentry29 + +# Can be 'softfp' or 'hardfp' +ARM_FP_MODE ?= "softfp" + +ARM_FP_OPT = "${@['-mfloat-abi=softfp', '-mfloat-abi=hard'][bb.data.getVar('ARM_FP_MODE', d, 1) == 'hardfp']}" +ARM_FP_PACKAGESUFFIX = "${@['', '-hardfp'][bb.data.getVar('ARM_FP_MODE', d, 1) == 'hardfp']}" + +TARGET_CC_ARCH = "-march=armv7-a -mtune=cortex-a8 -mfpu=neon ${ARM_FP_OPT}" + +FEED_ARCH = "armv7a${ARM_FP_PACKAGESUFFIX}" +BASE_PACKAGE_ARCH = "armv7a${ARM_FP_PACKAGESUFFIX}" + +PACKAGE_EXTRA_ARCHS += "armv4 armv4t armv5te armv6 armv7 armv7a${ARM_FP_PACKAGESUFFIX}" |