tune-ppc476.inc: Support ppc476

A couple of boards use chips which perform noticably better
when optimized for the 476. Add a trivial tune file to let
them run better.

Signed-off-by: Peter Seebach <peter.seebach@windriver.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>

diff --git a/meta/conf/machine/include/tune-ppc476.inc b/meta/conf/machine/include/tune-ppc476.inc
new file mode 100644 (file)
index 0000000..5d10261
--- /dev/null
+++ b/meta/conf/machine/include/tune-ppc476.inc
@@ -0,0 +1,14 @@
+DEFAULTTUNE ?= "ppc476"
+
+require conf/machine/include/powerpc/arch-powerpc.inc
+
+TUNEVALID[ppc476] = "Enable ppc476 specific processor optimizations"
+TUNE_CCARGS += "${@bb.utils.contains("TUNE_FEATURES", "ppc476", "-mcpu=476", "", d)}"
+
+AVAILTUNES += "ppc476"
+TUNE_FEATURES_tune-ppc476 = "m32 fpu-hard ppc476"
+TUNE_PKGARCH_tune-ppc476 = "ppc476"
+PACKAGE_EXTRA_ARCHS_tune-ppc476 = "${PACKAGE_EXTRA_ARCHS_tune-powerpc} ppc476"
+
+# glibc configure options to get 476 specific library (for sqrt)
+GLIBC_EXTRA_OECONF += "${@bb.utils.contains("TUNE_FEATURES", "ppc476", "-with-cpu=476", "", d)}"