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From: Saul Wold <sgw@linux.intel.com>
To: openembedded-core@lists.openembedded.org,
	richard.purdie@linuxfoundation.org
Date: Tue, 23 Jun 2015 08:22:47 -0700
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Cc: dvhart@linux.intel.com
Subject: [PATCH] tune-i586-nlp: Add new tune file to support Quark/X1000 CPU
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This tune file is needed to enable a GAS option specific to this cpu family
in order to disable the usage of lock prefix instructions.

Signed-off-by: Saul Wold <sgw@linux.intel.com>
---
 meta/conf/machine/include/tune-i586-nlp.inc | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 meta/conf/machine/include/tune-i586-nlp.inc

diff --git a/meta/conf/machine/include/tune-i586-nlp.inc b/meta/conf/machine/include/tune-i586-nlp.inc
new file mode 100644
index 0000000..6815a16
--- /dev/null
+++ b/meta/conf/machine/include/tune-i586-nlp.inc
@@ -0,0 +1,20 @@
+#
+# Settings for the GAS(1) cpu-type quark/x1000 which has issues
+# with lock-prefix so use that option to omit them.
+#
+
+DEFAULTTUNE ?= "i586-nlp"
+
+# Include the previous tune to pull in PACKAGE_EXTRA_ARCHS
+require conf/machine/include/tune-i586.inc
+
+# x86 with no lock prefix
+TUNEVALID[nlp] = "IA32 with Lock Prefix omitted"
+TUNE_CCARGS .= "${@bb.utils.contains("TUNE_FEATURES", "nlp", " -Wa,-momit-lock-prefix=yes", "", d)}"
+
+# Quark tune feature 
+AVAILTUNES = "i586-nlp"
+TUNE_FEATURES_tune-i586-nlp = "${TUNE_FEATURES_tune-i586} nlp"
+TUNE_PKGARCH_tune-i586-nlp = "i586-nlp"
+PACKAGE_EXTRA_ARCHS_tune-i586-nlp = "${PACKAGE_EXTRA_ARCHS_tune-i586} i586-nlp"
+
-- 
2.1.0