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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 000000000..2ac0ebfe4 --- /dev/null +++ b/meta-oe/conf/machine/include/tune-cortexa8.inc | |||
@@ -0,0 +1,17 @@ | |||
1 | # 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] | ||
2 | # [1] http://gcc.gnu.org/onlinedocs/gcc/ARM-NEON-Intrinsics.html | ||
3 | # [2] http://gcc.gnu.org/onlinedocs/gcc/ARM-Options.html | ||
4 | # [3] https://support.codesourcery.com/GNUToolchain/kbentry29 | ||
5 | |||
6 | # Can be 'softfp' or 'hardfp' | ||
7 | ARM_FP_MODE ?= "softfp" | ||
8 | |||
9 | ARM_FP_OPT = "${@['-mfloat-abi=softfp', '-mfloat-abi=hard'][bb.data.getVar('ARM_FP_MODE', d, 1) == 'hardfp']}" | ||
10 | ARM_FP_PACKAGESUFFIX = "${@['', '-hardfp'][bb.data.getVar('ARM_FP_MODE', d, 1) == 'hardfp']}" | ||
11 | |||
12 | TARGET_CC_ARCH = "-march=armv7-a -mtune=cortex-a8 -mfpu=neon ${ARM_FP_OPT}" | ||
13 | |||
14 | FEED_ARCH = "armv7a${ARM_FP_PACKAGESUFFIX}" | ||
15 | BASE_PACKAGE_ARCH = "armv7a${ARM_FP_PACKAGESUFFIX}" | ||
16 | |||
17 | PACKAGE_EXTRA_ARCHS += "armv4 armv4t armv5te armv6 armv7 armv7a${ARM_FP_PACKAGESUFFIX}" | ||