diff --git a/0001-add-sw_64-support.patch b/0001-add-sw_64-support.patch
new file mode 100644
index 0000000000000000000000000000000000000000..08ee698bba44141f43401cafe39fc5c0ae852cc8
--- /dev/null
+++ b/0001-add-sw_64-support.patch
@@ -0,0 +1,78 @@
+From bb3b9c2bb1dce64799c3022d4a9c0d74590fef79 Mon Sep 17 00:00:00 2001
+From: mahailiang <mahailiang@uniontech.com>
+Date: Sun, 10 Nov 2024 21:31:15 +0800
+Subject: [PATCH] add sw_64 support
+
+---
+ CMakeLists.txt                       | 2 ++
+ Source/JavaScriptCore/CMakeLists.txt | 1 +
+ Source/WTF/wtf/Platform.h            | 7 ++++++-
+ Source/WTF/wtf/dtoa/utils.h          | 2 +-
+ 4 files changed, 10 insertions(+), 2 deletions(-)
+
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 77687d3..d3f697a 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -92,6 +92,8 @@ elseif (LOWERCASE_CMAKE_SYSTEM_PROCESSOR MATCHES "loongarch64")
+     set(WTF_CPU_LOONGARCH64 1)
+ elseif (LOWERCASE_CMAKE_SYSTEM_PROCESSOR MATCHES "riscv64")
+     set(WTF_CPU_RISCV64 1)
++elseif (LOWERCASE_CMAKE_SYSTEM_PROCESSOR MATCHES "sw_64")
++    set(WTF_CPU_SW_64 1)
+ else ()
+     message(FATAL_ERROR "Unknown CPU '${LOWERCASE_CMAKE_SYSTEM_PROCESSOR}'")
+ endif ()
+diff --git a/Source/JavaScriptCore/CMakeLists.txt b/Source/JavaScriptCore/CMakeLists.txt
+index ed35b54..b620948 100644
+--- a/Source/JavaScriptCore/CMakeLists.txt
++++ b/Source/JavaScriptCore/CMakeLists.txt
+@@ -1291,6 +1291,7 @@ elseif (WTF_CPU_X86)
+ elseif (WTF_CPU_LOONGARCH64)
+ elseif (WTF_CPU_RISCV64)
+ elseif (WTF_CPU_X86_64)
++elseif (WTF_CPU_SW_64)
+     if (MSVC AND ENABLE_JIT)
+         add_custom_command(
+             OUTPUT ${DERIVED_SOURCES_DIR}/JITStubsMSVC64.obj
+diff --git a/Source/WTF/wtf/Platform.h b/Source/WTF/wtf/Platform.h
+index 338fddc..407e675 100644
+--- a/Source/WTF/wtf/Platform.h
++++ b/Source/WTF/wtf/Platform.h
+@@ -173,6 +173,10 @@
+ #define WTF_CPU_LOONGARCH64 1
+ #endif
+ 
++#if defined(__sw_64__) || defined(__sw_64) || defined(sw_64__)
++#define WTF_CPU_SW_64 1
++#endif
++
+ /* CPU(X86_64) - AMD64 / Intel64 / x86_64 64-bit */
+ #if   defined(__x86_64__) \
+     || defined(_M_X64)
+@@ -718,7 +722,8 @@
+     || CPU(PPC64) \
+     || CPU(PPC64LE) \
+     || CPU(RISCV64) \
+-    || CPU(LOONGARCH64)
++    || CPU(LOONGARCH64) \
++    || CPU(SW_64)
+ #define USE_JSVALUE64 1
+ #else
+ #define USE_JSVALUE32_64 1
+diff --git a/Source/WTF/wtf/dtoa/utils.h b/Source/WTF/wtf/dtoa/utils.h
+index b136162..6dc3843 100644
+--- a/Source/WTF/wtf/dtoa/utils.h
++++ b/Source/WTF/wtf/dtoa/utils.h
+@@ -49,7 +49,7 @@
+ defined(__ARMEL__) || \
+ defined(_MIPS_ARCH_MIPS32R2)
+ #define DOUBLE_CONVERSION_CORRECT_DOUBLE_OPERATIONS 1
+-#elif CPU(MIPS) || CPU(MIPS64) || CPU(PPC) || CPU(PPC64) || CPU(PPC64LE) || CPU(SH4) || CPU(S390) || CPU(S390X) || CPU(IA64) || CPU(ALPHA) || CPU(ARM64) || CPU(HPPA) || CPU(LOONGARCH64) || CPU(RISCV64)
++#elif CPU(MIPS) || CPU(MIPS64) || CPU(PPC) || CPU(PPC64) || CPU(PPC64LE) || CPU(SH4) || CPU(S390) || CPU(S390X) || CPU(IA64) || CPU(ALPHA) || CPU(ARM64) || CPU(HPPA) || CPU(LOONGARCH64) || CPU(RISCV64) || CPU(SW_64)
+ #define DOUBLE_CONVERSION_CORRECT_DOUBLE_OPERATIONS 1
+ #elif defined(_M_IX86) || defined(__i386__)
+ #if defined(_WIN32)
+-- 
+2.20.1
+
diff --git a/qt5-qtwebkit.spec b/qt5-qtwebkit.spec
index 0a876caf41013694f3a846f82c74b9986f5de7a1..29b91b81af40b321ebf5c0eadc46c65c59746804 100644
--- a/qt5-qtwebkit.spec
+++ b/qt5-qtwebkit.spec
@@ -18,7 +18,7 @@
 
 Name:           qt5-%{qt_module}
 Version:        5.212.0
-Release:        11
+Release:        12
 Summary:        Qt5 - QtWebKit components
 
 License:        LGPL-2.0-or-later and BSD-2-Clause
@@ -42,6 +42,7 @@ Patch10:        qtwebkit-fix-build-gcc14.patch
 Patch11:        qt5-webkit-icu75.patch
 Patch12:        qtwebkit-5.212.0-json.patch
 Patch13:        qtwebkit-5.212.0-icu76.patch
+Patch14:	    0001-add-sw_64-support.patch
 
 BuildRequires:  bison
 BuildRequires:  cmake
@@ -169,7 +170,7 @@ CXXFLAGS="${CXXFLAGS:-%optflags} -fpermissive" ; export CXXFLAGS ;
        -DECM_MKSPECS_INSTALL_DIR=%{_qt5_archdatadir}/mkspecs/modules \
        -DQML_INSTALL_DIR=%{_qt5_archdatadir}/qml \
        -DKDE_INSTALL_INCLUDEDIR=%{_qt5_headerdir} \
-%ifarch s390 s390x ppc %{power64} loongarch64 riscv64
+%ifarch s390 s390x ppc %{power64} loongarch64 riscv64 sw_64
        -DENABLE_JIT=OFF \
        -DUSE_SYSTEM_MALLOC=ON \
 %endif
@@ -245,6 +246,9 @@ test -z "$(pkg-config --cflags Qt5WebKit | grep Qt5WebKit)"
 
 
 %changelog
+* Tue Mar 11 2025 mahailiang  <mahailiang@uniontech.com> - 5.212.0-12
+- add sw_64 support for qt5-qtwebkit
+
 * Mon Dec 09 2024 Funda Wang <fundawang@yeah.net> - 5.212.0-11
 - disable LTO build
 - adopt to new cmake macro