diff --git a/0001-libpciaccess-add-sw64.patch b/0001-libpciaccess-add-sw64.patch
new file mode 100755
index 0000000..f93580e
--- /dev/null
+++ b/0001-libpciaccess-add-sw64.patch
@@ -0,0 +1,58 @@
+From c6de975fd6bf03c63ce11417dc92043deb495898 Mon Sep 17 00:00:00 2001
+From: wuzx <wuzx1226@qq.com>
+Date: Wed, 3 Aug 2022 16:40:13 +0000
+Subject: [PATCH] libpciaccess add sw64
+
+Add code related to sw64 in file configure configure.ac and openbsd_pci.c to support sw64 architecture.
+
+Signed-off-by: wuzx <wuzx1226@qq.com>
+---
+ configure         | 3 +++
+ configure.ac      | 3 +++
+ src/openbsd_pci.c | 2 +-
+ 3 files changed, 7 insertions(+), 1 deletion(-)
+
+diff --git a/configure b/configure
+index 2eada1d..dc7e3ec 100755
+--- a/configure
++++ b/configure
+@@ -18576,6 +18576,9 @@ case $host_os in
+ 		*x86_64*|*amd64*)
+ 			PCIACCESS_LIBS="$PCIACCESS_LIBS -lx86_64"
+ 			;;
++		*sw_64*)
++			PCIACCESS_LIBS="$PCIACCESS_LIBS -lsw_64"
++			;;
+ 		*alpha*)
+ 			PCIACCESS_LIBS="$PCIACCESS_LIBS -lalpha"
+ 			;;
+diff --git a/configure.ac b/configure.ac
+index bfc75ae..00fcd4f 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -82,6 +82,9 @@ case $host_os in
+ 		*x86_64*|*amd64*)
+ 			PCIACCESS_LIBS="$PCIACCESS_LIBS -lx86_64"
+ 			;;
++		*sw_64*)
++			PCIACCESS_LIBS="$PCIACCESS_LIBS -lsw_64"
++			;;
+ 		*alpha*)
+ 			PCIACCESS_LIBS="$PCIACCESS_LIBS -lalpha"
+ 			;;
+diff --git a/src/openbsd_pci.c b/src/openbsd_pci.c
+index c061fd8..990860b 100644
+--- a/src/openbsd_pci.c
++++ b/src/openbsd_pci.c
+@@ -133,7 +133,7 @@ pci_device_openbsd_read_rom(struct pci_device *device, void *buffer)
+ 		return ENOSYS;
+ 
+ 	if (priv->base.rom_size == 0) {
+-#if defined(__alpha__) || defined(__amd64__) || defined(__i386__)
++#if defined(__alpha__) || defined(__sw_64__) || defined(__amd64__) || defined(__i386__)
+ 		if ((device->device_class & 0x00ffff00) ==
+ 		    ((PCI_CLASS_DISPLAY << 16) |
+ 			(PCI_SUBCLASS_DISPLAY_VGA << 8))) {
+-- 
+2.33.0
+
diff --git a/libpciaccess.spec b/libpciaccess.spec
index fb68590..ba3d894 100644
--- a/libpciaccess.spec
+++ b/libpciaccess.spec
@@ -1,6 +1,6 @@
 Name:           libpciaccess
 Version:        0.16
-Release:        2
+Release:        3
 Summary:        Generic PCI access library
 License:        MIT
 URL:            https://www.x.org/
@@ -10,6 +10,7 @@ BuildRoot:      %{_tmppath}/%{name}-%{version}-%{release}-buildroot
 
 
 Patch0:         0000-libpciaccess-rom-size.patch
+Patch1:         0001-libpciaccess-add-sw64.patch
 
 BuildRequires:  autoconf automake libtool pkgconfig xorg-x11-util-macros
 Requires:       hwdata
@@ -54,6 +55,9 @@ rm -f $RPM_BUILD_ROOT/%{_libdir}/*.la
 
 
 %changelog
+* Thu Jul 28 2022 wuzx<wuzx1226@qq.com> - 0.16-3
+- add sw64 patch
+
 * Fri Jul 30 2021 chenyanpanHW <chenyanpan@huawei.com> - 0.16-2
 - DESC: delete -Sgit from %autosetup, and delete BuildRequires git