diff --git a/ncurses-sw-support.patch b/ncurses-sw-support.patch
new file mode 100644
index 0000000000000000000000000000000000000000..fc686fa1cce67e0d4ac28b83d46761022ad83eba
--- /dev/null
+++ b/ncurses-sw-support.patch
@@ -0,0 +1,24 @@
+diff -arup ncurses-6.3.orig/config.guess ncurses-6.3/config.guess
+--- ncurses-6.3.orig/config.guess	2021-06-04 12:01:25.000000000 +0800
++++ ncurses-6.3/config.guess	2023-02-15 09:45:20.743936365 +0800
+@@ -1140,6 +1140,9 @@ EOF
+     sparc:Linux:*:* | sparc64:Linux:*:*)
+ 	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
+ 	;;
++    sw_64*:Linux:*:*)
++	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
++	;;
+     tile*:Linux:*:*)
+ 	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
+ 	;;
+diff -arup ncurses-6.3.orig/config.sub ncurses-6.3/config.sub
+--- ncurses-6.3.orig/config.sub	2021-08-15 00:20:38.000000000 +0800
++++ ncurses-6.3/config.sub	2023-02-15 09:46:19.158924225 +0800
+@@ -1262,6 +1262,7 @@ case $cpu-$vendor in
+ 			| sparclite \
+ 			| sparcv8 | sparcv9 | sparcv9b | sparcv9v | sv1 | sx* \
+ 			| spu \
++			| sw_64 \
+ 			| tahoe \
+ 			| thumbv7* \
+ 			| tic30 | tic4x | tic54x | tic55x | tic6x | tic80 \
diff --git a/ncurses.spec b/ncurses.spec
index d39ab29f9c5decc1675da2215b9667ccdb32d1a2..f186c62f23198c76adb2f5813ec1ba6164330b7b 100644
--- a/ncurses.spec
+++ b/ncurses.spec
@@ -1,6 +1,6 @@
 name:          ncurses
 Version:       6.4
-Release:       8
+Release:       9
 Summary:       Terminal control library
 License:       MIT
 URL:           https://invisible-island.net/ncurses/ncurses.html
@@ -16,6 +16,7 @@ Patch15:       backport-fix-for-out-of-memory-condition.patch
 Patch16:       backport-fix-coredump-when-use-Memmove.patch
 Patch17:       backport-CVE-2023-50495.patch
 Patch18:       backport-CVE-2023-45918.patch
+Patch19:       ncurses-sw-support.patch
 
 BuildRequires: make gcc gcc-c++ gpm-devel pkgconfig
 
@@ -250,6 +251,9 @@ xz NEWS
 %{_mandir}/man7/*
 
 %changelog
+* Mon Feb 17 2025 zhangshaoning <zhangshaoning@uniontech.com> - 6.4-9
+- Add sw_64 support
+
 * Wed Feb 28 2024 yanglu <yanglu72@h-partners.com> - 6.4-8
 - Type:bugfix
 - CVE:NA