conf/machine: Add Power8 tune to PowerPC architecture

Description: now we can tune our build only for power7 or power9
processor for PowerPC arch, this patch add posibility to choose power8 tune.

(From OE-Core rev: 10f7eeafd16c8b825b3c9b96b8433311f122df1e)

Signed-off-by: Aleksey Smirnov <aleksey.smirnov@yadro.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 31 insertions, 0 deletions

diff --git a/meta/conf/machine/include/powerpc/tune-power8.inc b/meta/conf/machine/include/powerpc/tune-power8.inc
new file mode 100644
index 0000000000..ee10f2428f
--- /dev/null
+++ b/meta/conf/machine/include/powerpc/tune-power8.inc
@@ -0,0 +1,31 @@
+DEFAULTTUNE ?= "ppc64p8le"
+
+require conf/machine/include/powerpc/arch-powerpc64.inc
+
+TUNEVALID[power8] = "Enable IBM Power8 specific processor optimizations"
+TUNE_CCARGS .= "${@bb.utils.contains('TUNE_FEATURES', 'power8', ' -mcpu=power8', '', d)}"
+
+AVAILTUNES += "ppcp8 ppc64p8 ppcp8le ppc64p8le"
+
+TUNE_FEATURES:tune-ppcp8 = "m32 fpu-hard power8 altivec bigendian"
+BASE_LIB:tune-ppcp8 = "lib"
+TUNE_PKGARCH:tune-ppcp8 = "ppcp8"
+PACKAGE_EXTRA_ARCHS:tune-ppcp8 = "${PACKAGE_EXTRA_ARCHS:tune-powerpc} ppcp8"
+
+TUNE_FEATURES:tune-ppc64p8 = "m64 fpu-hard power8 altivec bigendian"
+BASE_LIB:tune-ppc64p8 = "lib64"
+TUNE_PKGARCH:tune-ppc64p8 = "ppc64p8"
+PACKAGE_EXTRA_ARCHS:tune-ppc64p8 = "${PACKAGE_EXTRA_ARCHS:tune-powerpc64} ppc64p8"
+
+TUNE_FEATURES:tune-ppcp8le = "m32 fpu-hard power8 altivec"
+BASE_LIB:tune-ppcp8le = "lib"
+TUNE_PKGARCH:tune-ppcp8le = "ppcp8le"
+PACKAGE_EXTRA_ARCHS:tune-ppcp8le = "${PACKAGE_EXTRA_ARCHS:tune-powerpcle} ppcp8le"
+
+TUNE_FEATURES:tune-ppc64p8le = "m64 fpu-hard power8 altivec"
+BASE_LIB:tune-ppc64p8le = "lib64"
+TUNE_PKGARCH:tune-ppc64p8le = "ppc64p8le"
+PACKAGE_EXTRA_ARCHS:tune-ppc64p8le = "${PACKAGE_EXTRA_ARCHS:tune-powerpc64le} ppc64p8le"
+
+# glibc configure options to get power8 specific library
+GLIBC_EXTRA_OECONF += "${@bb.utils.contains('TUNE_FEATURES', 'power8', '--with-cpu=power8', '', d)}"