diff --git a/3000-etcd-3.4.14-sw.patch b/3000-etcd-3.4.14-sw.patch
new file mode 100644
index 0000000000000000000000000000000000000000..38056ba3d15b211ccc096b0b2e0a682a75b0ee27
--- /dev/null
+++ b/3000-etcd-3.4.14-sw.patch
@@ -0,0 +1,16 @@
+diff -Naur etcd-3.4.14.org/vendor/go.etcd.io/bbolt/bolt_sw64.go etcd-3.4.14.sw/vendor/go.etcd.io/bbolt/bolt_sw64.go
+--- etcd-3.4.14.org/vendor/go.etcd.io/bbolt/bolt_sw64.go	1970-01-01 08:00:00.000000000 +0800
++++ etcd-3.4.14.sw/vendor/go.etcd.io/bbolt/bolt_sw64.go	2022-09-16 15:23:18.290000000 +0800
+@@ -0,0 +1,12 @@
++// +build sw64
++
++package bbolt
++
++// maxMapSize represents the largest mmap size supported by Bolt.
++const maxMapSize = 0xFFFFFFFFFFFF // 256TB
++
++// maxAllocSize is the size used when creating array pointers.
++const maxAllocSize = 0x7FFFFFFF
++
++// Are unaligned load/stores broken on this arch?
++var brokenUnaligned = false
diff --git a/bbolt-1.3.7.tar.gz b/bbolt-1.3.7.tar.gz
new file mode 100755
index 0000000000000000000000000000000000000000..b13fbae54ed814ee01a20d6efdece1a6dc70788e
Binary files /dev/null and b/bbolt-1.3.7.tar.gz differ
diff --git a/etcd.spec b/etcd.spec
index c236d6d8100b6a3907f9b4a7d5d5676b5974ca4b..74700ecf3798521c1bde3299c9cd96f1adf61796 100644
--- a/etcd.spec
+++ b/etcd.spec
@@ -31,7 +31,7 @@ system.}
 %global gosupfiles      integration/fixtures/* etcdserver/api/v2http/testdata/*
 
 Name:           etcd
-Release:        4
+Release:        5
 Summary:        Distributed reliable key-value store for the most critical data of a distributed system
 
 # Upstream license specification: Apache-2.0
@@ -43,10 +43,13 @@ Source2:        %{name}.conf
 Source3:        man-%{man_version}.tar.gz
 # sh genmanpages.sh path_to_built_source
 Source10:       genmanpages.sh
+#  add support for loongarch64
+Source3000:     bbolt-1.3.7.tar.gz
 # update grpc-go version to v1.32.0
 Patch1:         0001-Convert-int-to-string-using-strconv.Itoa.patch
-Patch2:		0002-Etcd-on-unsupported-platform-without-ETCD_UNSUPPORTED_ARCH=arm64-set.patch
-
+Patch2:         0002-Etcd-on-unsupported-platform-without-ETCD_UNSUPPORTED_ARCH=arm64-set.patch
+# add support for sw_64
+Patch3000:      3000-etcd-3.4.14-sw.patch
 BuildRequires:  golang
 BuildRequires:  python3-devel
 %{?systemd_requires}
@@ -63,6 +66,7 @@ Requires(pre):  shadow-utils
 %forgesetup
 %patch1 -p1
 %patch2 -p1
+%patch3000 -p1
 # For compatibility
 cp -aR etcdserver/api/snap snap
 cp -aR etcdserver/api/membership etcdserver/membership
@@ -76,20 +80,39 @@ mv etcdctl/READMEv2.md READMEv2-etcdctl.md
 mkdir -p man/man1
 cp ../man-%{man_version}/*.1 man/man1/.
 
+%ifarch loongarch64 sw_64
+cp -af %{_prefix}/lib/golang/src/cmd/vendor/golang.org/x/sys vendor/golang.org/x/
+%endif
+%ifarch loongarch64
+tar xf %{SOURCE3000} -C vendor/go.etcd.io/bbolt/
+%endif
+
 %if %{without bootstrap}
 %build
 CGO_CFLAGS="-fstack-protector-strong -fPIE -D_FORTIFY_SOURCE=2 -O2" \
 CGO_LDFLAGS_ALLOW="-Wl,-z,relro,-z,now" \
 CGO_LDFLAGS="-Wl,-z,relro,-z,now -Wl,-z,noexecstack" \
 GO111MODULE=on GOFLAGS=-mod=vendor \
-go build -buildmode=pie -ldflags "-linkmode=external -w -s" \
+go build \
+%ifnarch sw_64
+  -buildmode=pie \
+%else
+  -buildmode=exe \
+%endif
+-ldflags "-linkmode=external -w -s" \
 -o %{gobuilddir}/bin/etcd %{goipath}
 for cmd in etcdctl; do
   CGO_CFLAGS="-fstack-protector-strong -fPIE -D_FORTIFY_SOURCE=2 -O2" \
   CGO_LDFLAGS_ALLOW="-Wl,-z,relro,-z,now" \
   CGO_LDFLAGS="-Wl,-z,relro,-z,now -Wl,-z,noexecstack" \
   GO111MODULE=on GOFLAGS=-mod=vendor \
-  go build -buildmode=pie -ldflags "-linkmode=external -w -s" \
+  go build \
+%ifnarch sw_64
+  -buildmode=pie \
+%else
+  -buildmode=exe \
+%endif
+  -ldflags "-linkmode=external -w -s" \
   -o %{gobuilddir}/bin/$(basename $cmd) %{goipath}/$cmd
 done
 %endif
@@ -148,6 +171,9 @@ getent passwd %{name} >/dev/null || useradd -r -g %{name} -d %{_sharedstatedir}/
 %endif
 
 %changelog
+* Mon Aug 14 2023 herengui <herengui@kylinsec.com.cn> - 3.4.14-5
+- add support for loongarch64 and sw_64
+
 * Wed Sep 2021 jikui <jikui2@huawei.com> - 3.4.14-4
 - modify build flags for secure compilation options