Squashed 'yocto-poky/' content from commit ea562de

git-subtree-dir: yocto-poky
git-subtree-split: ea562de57590c966cd5a75fda8defecd397e6436
diff --git a/meta/conf/machine/include/tune-ppce500.inc b/meta/conf/machine/include/tune-ppce500.inc
new file mode 100644
index 0000000..70c1f8b
--- /dev/null
+++ b/meta/conf/machine/include/tune-ppce500.inc
@@ -0,0 +1,20 @@
+DEFAULTTUNE ?= "ppce500"
+
+require conf/machine/include/powerpc/arch-powerpc.inc
+
+TUNEVALID[ppce500] = "Enable ppce500 specific processor optimizations"
+TUNE_CCARGS .= "${@bb.utils.contains("TUNE_FEATURES", "ppce500", " -mcpu=8540", "", d)}"
+
+TUNEVALID[spe] = "Enable SPE ABI extensions"
+TUNE_CCARGS .= "${@bb.utils.contains("TUNE_FEATURES", [ "ppce500", "spe" ], " -mabi=spe -mspe -mfloat-gprs=single", "", d)}"
+TARGET_FPU .= "${@bb.utils.contains("TUNE_FEATURES", [ "ppce500" , "spe" ], "ppc-efs", "", d)}"
+
+# spe is defined potentially in two places, so we want to be sure it will
+# only write spe once to the ABIEXTENSIONS field.
+SPEABIEXTENSION = "${@bb.utils.contains("TUNE_FEATURES", "spe", "spe", "", d)}"
+ABIEXTENSION .= "${SPEABIEXTENSION}"
+
+AVAILTUNES += "ppce500"
+TUNE_FEATURES_tune-ppce500 = "m32 spe ppce500"
+TUNE_PKGARCH_tune-ppce500 = "ppce500"
+PACKAGE_EXTRA_ARCHS_tune-ppce500 = "ppce500"