Add ARM tune file overhaul based largely on work from Mark Hatle

(From OE-Core rev: 789dcb8e68a2ab9784ac10ab36815010c61af2fc)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 24 insertions, 0 deletions

diff --git a/meta/conf/machine/include/arm/arch-armv4.inc b/meta/conf/machine/include/arm/arch-armv4.inc
new file mode 100644
index 0000000000..c014d20eb6
--- /dev/null
+++ b/meta/conf/machine/include/arm/arch-armv4.inc
@@ -0,0 +1,24 @@
+DEFAULTTUNE ?= "armv4"
+
+ARMPKGARCH ?= "armv4"
+
+TUNEVALID[armv4] = "Enable instructions for ARMv4"
+TUNE_CCARGS += "${@bb.utils.contains("TUNE_FEATURES", "armv4", "-march=armv4${ARMPKGSFX_THUMB}", "", d)}"
+
+require conf/machine/include/arm/arch-arm.inc
+require conf/machine/include/arm/feature-arm-thumb.inc
+
+# Little Endian
+AVAILTUNES += "armv4 armv4t"
+TUNE_FEATURES_tune-armv4 ?= "armv4"
+TUNE_FEATURES_tune-armv4t ?= "armv4 thumb"
+PACKAGE_EXTRA_ARCHS_tune-armv4 = "arm armv4"
+PACKAGE_EXTRA_ARCHS_tune-armv4t = "${PACKAGE_EXTRA_ARCHS_tune-armv4} armv4t"
+
+# Big Endian
+AVAILTUNES += "armv4b armv4tb"
+TUNE_FEATURES_tune-armv4b ?= "${TUNE_FEATURES_tune-armv4} bigendian"
+TUNE_FEATURES_tune-armv4tb ?= "${TUNE_FEATURES_tune-armv4t} bigendian"
+PACKAGE_EXTRA_ARCHS_tune-armv4b = "armeb armv4b"
+PACKAGE_EXTRA_ARCHS_tune-armv4tb = "${PACKAGE_EXTRA_ARCHS_tune-armv4} armv4tb"
+