[Feature]add MT2731_MP2_MR2_SVN388 baseline version

Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/arch/sparc/lib/hweight.S b/src/kernel/linux/v4.14/arch/sparc/lib/hweight.S
new file mode 100644
index 0000000..0ddbbb0
--- /dev/null
+++ b/src/kernel/linux/v4.14/arch/sparc/lib/hweight.S
@@ -0,0 +1,57 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#include <linux/linkage.h>
+#include <asm/export.h>
+
+	.text
+	.align	32
+ENTRY(__arch_hweight8)
+	sethi	%hi(__sw_hweight8), %g1
+	jmpl	%g1 + %lo(__sw_hweight8), %g0
+	 nop
+ENDPROC(__arch_hweight8)
+EXPORT_SYMBOL(__arch_hweight8)
+	.section	.popc_3insn_patch, "ax"
+	.word		__arch_hweight8
+	sllx		%o0, 64-8, %g1
+	retl
+	 popc		%g1, %o0
+	.previous
+
+ENTRY(__arch_hweight16)
+	sethi	%hi(__sw_hweight16), %g1
+	jmpl	%g1 + %lo(__sw_hweight16), %g0
+	 nop
+ENDPROC(__arch_hweight16)
+EXPORT_SYMBOL(__arch_hweight16)
+	.section	.popc_3insn_patch, "ax"
+	.word		__arch_hweight16
+	sllx		%o0, 64-16, %g1
+	retl
+	 popc		%g1, %o0
+	.previous
+
+ENTRY(__arch_hweight32)
+	sethi	%hi(__sw_hweight32), %g1
+	jmpl	%g1 + %lo(__sw_hweight32), %g0
+	 nop
+ENDPROC(__arch_hweight32)
+EXPORT_SYMBOL(__arch_hweight32)
+	.section	.popc_3insn_patch, "ax"
+	.word		__arch_hweight32
+	sllx		%o0, 64-32, %g1
+	retl
+	 popc		%g1, %o0
+	.previous
+
+ENTRY(__arch_hweight64)
+	sethi	%hi(__sw_hweight64), %g1
+	jmpl	%g1 + %lo(__sw_hweight64), %g0
+	 nop
+ENDPROC(__arch_hweight64)
+EXPORT_SYMBOL(__arch_hweight64)
+	.section	.popc_3insn_patch, "ax"
+	.word		__arch_hweight64
+	retl
+	 popc		%o0, %o0
+	nop
+	.previous