1 files changed, 34 insertions, 0 deletions
diff --git a/import-layers/yocto-poky/meta/conf/machine/include/arm/arch-armv4.inc b/import-layers/yocto-poky/meta/conf/machine/include/arm/arch-armv4.inc
new file mode 100644
index 000000000..813ed159d
--- /dev/null
+++ b/import-layers/yocto-poky/meta/conf/machine/include/arm/arch-armv4.inc
@@ -0,0 +1,34 @@
+DEFAULTTUNE ?= "armv4"
+
+TUNEVALID[arm] = "Enable ARM instruction set"
+TUNEVALID[armv4] = "Enable instructions for ARMv4"
+TUNE_CCARGS .= "${@bb.utils.contains('TUNE_FEATURES', 'armv4', ' -march=armv4${ARMPKGSFX_THUMB}', '', d)}"
+# enable --fix-v4bx when we have armv4 in TUNE_FEATURES, but then disable it when we have also armv5 or thumb
+# maybe we should extend bb.utils.contains to support check for any checkvalues in value, now it does 
+# checkvalues.issubset(val) which cannot be used for negative test of foo neither bar in value
+FIX_V4BX_ARMV4 = "${@bb.utils.contains('TUNE_FEATURES', 'armv4', '--fix-v4bx', '', d)}"
+FIX_V4BX_ARMV5 = "${@bb.utils.contains('TUNE_FEATURES', 'armv5', '', '${FIX_V4BX_ARMV4}', d)}"
+FIX_V4BX = "${@bb.utils.contains('TUNE_FEATURES', 'thumb', '', '${FIX_V4BX_ARMV5}', d)}"
+TARGET_LD_KERNEL_ARCH += "${FIX_V4BX}"
+MACHINEOVERRIDES =. "${@bb.utils.contains('TUNE_FEATURES', 'armv4', 'armv4:', '' ,d)}"
+
+require conf/machine/include/arm/arch-arm.inc
+require conf/machine/include/arm/feature-arm-thumb.inc
+
+# Little Endian
+AVAILTUNES += "armv4 armv4t"
+ARMPKGARCH_tune-armv4  ?= "armv4"
+ARMPKGARCH_tune-armv4t ?= "armv4"
+TUNE_FEATURES_tune-armv4  = "arm armv4"
+TUNE_FEATURES_tune-armv4t = "${TUNE_FEATURES_tune-armv4} thumb"
+PACKAGE_EXTRA_ARCHS_tune-armv4  = "arm armv4"
+PACKAGE_EXTRA_ARCHS_tune-armv4t = "${PACKAGE_EXTRA_ARCHS_tune-armv4} armv4t"
+
+# Big Endian
+AVAILTUNES += "armv4b armv4tb"
+ARMPKGARCH_tune-armv4b  ?= "armv4"
+ARMPKGARCH_tune-armv4tb ?= "armv4"
+TUNE_FEATURES_tune-armv4b  = "${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-armv4b} armv4tb"