[Feature]add MT2731_MP2_MR2_SVN388 baseline version
Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/arch/x86/Makefile_32.cpu b/src/kernel/linux/v4.14/arch/x86/Makefile_32.cpu
new file mode 100644
index 0000000..1f5faf8
--- /dev/null
+++ b/src/kernel/linux/v4.14/arch/x86/Makefile_32.cpu
@@ -0,0 +1,52 @@
+# SPDX-License-Identifier: GPL-2.0
+# CPU tuning section - shared with UML.
+# Must change only cflags-y (or [yn]), not CFLAGS! That makes a difference for UML.
+
+#-mtune exists since gcc 3.4
+HAS_MTUNE := $(call cc-option-yn, -mtune=i386)
+ifeq ($(HAS_MTUNE),y)
+tune = $(call cc-option,-mtune=$(1),$(2))
+else
+tune = $(call cc-option,-mcpu=$(1),$(2))
+endif
+
+cflags-$(CONFIG_M486) += -march=i486
+cflags-$(CONFIG_M586) += -march=i586
+cflags-$(CONFIG_M586TSC) += -march=i586
+cflags-$(CONFIG_M586MMX) += -march=pentium-mmx
+cflags-$(CONFIG_M686) += -march=i686
+cflags-$(CONFIG_MPENTIUMII) += -march=i686 $(call tune,pentium2)
+cflags-$(CONFIG_MPENTIUMIII) += -march=i686 $(call tune,pentium3)
+cflags-$(CONFIG_MPENTIUMM) += -march=i686 $(call tune,pentium3)
+cflags-$(CONFIG_MPENTIUM4) += -march=i686 $(call tune,pentium4)
+cflags-$(CONFIG_MK6) += -march=k6
+# Please note, that patches that add -march=athlon-xp and friends are pointless.
+# They make zero difference whatsosever to performance at this time.
+cflags-$(CONFIG_MK7) += -march=athlon
+cflags-$(CONFIG_MK8) += $(call cc-option,-march=k8,-march=athlon)
+cflags-$(CONFIG_MCRUSOE) += -march=i686 -falign-functions=0 -falign-jumps=0 -falign-loops=0
+cflags-$(CONFIG_MEFFICEON) += -march=i686 $(call tune,pentium3) -falign-functions=0 -falign-jumps=0 -falign-loops=0
+cflags-$(CONFIG_MWINCHIPC6) += $(call cc-option,-march=winchip-c6,-march=i586)
+cflags-$(CONFIG_MWINCHIP3D) += $(call cc-option,-march=winchip2,-march=i586)
+cflags-$(CONFIG_MCYRIXIII) += $(call cc-option,-march=c3,-march=i486) -falign-functions=0 -falign-jumps=0 -falign-loops=0
+cflags-$(CONFIG_MVIAC3_2) += $(call cc-option,-march=c3-2,-march=i686)
+cflags-$(CONFIG_MVIAC7) += -march=i686
+cflags-$(CONFIG_MCORE2) += -march=i686 $(call tune,core2)
+cflags-$(CONFIG_MATOM) += $(call cc-option,-march=atom,$(call cc-option,-march=core2,-march=i686)) \
+ $(call cc-option,-mtune=atom,$(call cc-option,-mtune=generic))
+
+# AMD Elan support
+cflags-$(CONFIG_MELAN) += -march=i486
+
+# Geode GX1 support
+cflags-$(CONFIG_MGEODEGX1) += -march=pentium-mmx
+cflags-$(CONFIG_MGEODE_LX) += $(call cc-option,-march=geode,-march=pentium-mmx)
+# add at the end to overwrite eventual tuning options from earlier
+# cpu entries
+cflags-$(CONFIG_X86_GENERIC) += $(call tune,generic,$(call tune,i686))
+
+# Bug fix for binutils: this option is required in order to keep
+# binutils from generating NOPL instructions against our will.
+ifneq ($(CONFIG_X86_P6_NOP),y)
+cflags-y += $(call cc-option,-Wa$(comma)-mtune=generic32,)
+endif