diff --git a/qtwebkit.spec b/qtwebkit.spec
index 62c04a7..7937bdc 100644
--- a/qtwebkit.spec
+++ b/qtwebkit.spec
@@ -10,7 +10,7 @@ Name: qtwebkit
 Summary: Qt WebKit bindings
 
 Version: 2.3.4
-Release: 37%{?dist}
+Release: 37.0.riscv64%{?dist}
 
 License: LGPLv2 with exceptions or GPLv3 with exceptions
 URL: http://trac.webkit.org/wiki/QtWebKit
@@ -37,6 +37,9 @@ Patch11: qtwebkit-23-LLInt-C-Loop-backend-ppc.patch
 # truly madly deeply no rpath please, kthxbye
 Patch14: webkit-qtwebkit-23-no_rpath.patch
 
+# add RISC-V (riscv64) support
+Patch20: webkit-qtwebkit-23-riscv64.patch
+
 ## upstream patches
 # backport from qt5-qtwebkit
 # qtwebkit: undefined symbol: g_type_class_adjust_private_offset
@@ -133,6 +136,7 @@ Provides:  qt4-webkit-devel%{?_isa} = 2:%{version}-%{release}
 %patch11 -p1 -b .Double2Ints
 %endif
 %patch14 -p1 -b .no_rpath
+%patch20 -p1 -b .riscv64
 
 %patch100 -p1 -b .gcc5
 %patch101 -p1 -b .private_browsing
@@ -161,10 +165,15 @@ PATH=`pwd`/python2-unversioned-command:`pwd`/bin:%{_qt4_bindir}:$PATH; export PA
 QMAKEPATH=`pwd`/Tools/qmake; export QMAKEPATH
 QTDIR=%{_qt4_prefix}; export QTDIR
 
-%ifarch aarch64 %{mips}
+%ifarch aarch64 %{mips} riscv64
 %global qtdefines  DEFINES+=ENABLE_JIT=0 DEFINES+=ENABLE_YARR_JIT=0 DEFINES+=ENABLE_ASSEMBLER=0
 %endif
 
+%ifarch riscv64
+export CFLAGS="$CFLAGS -fpermissive"
+export CXXFLAGS="$CXXFLAGS -fpermissive"
+%endif
+
 mkdir -p %{_target_platform}
 pushd    %{_target_platform}
 WEBKITOUTPUTDIR=`pwd`; export WEBKITOUTPUTDIR
@@ -207,6 +216,9 @@ popd
 
 
 %changelog
+* Mon Oct 14 2022 David Abdurachmanov <davidlt@rivosinc.com> - 2.3.4-37.0.riscv64
+- Add support for riscv64
+
 * Sat Jul 23 2022 Fedora Release Engineering <releng@fedoraproject.org> - 2.3.4-37
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_37_Mass_Rebuild
 
diff --git a/webkit-qtwebkit-23-riscv64.patch b/webkit-qtwebkit-23-riscv64.patch
new file mode 100644
index 0000000..83e4c52
--- /dev/null
+++ b/webkit-qtwebkit-23-riscv64.patch
@@ -0,0 +1,93 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index a91f2559..94cb34fd 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -76,6 +76,8 @@ ELSEIF (LOWERCASE_CMAKE_SYSTEM_PROCESSOR MATCHES "(x86_64|amd64)")
+     SET(WTF_CPU_X86_64 1)
+ ELSEIF (LOWERCASE_CMAKE_SYSTEM_PROCESSOR MATCHES "(i[3-6]86|x86)")
+     SET(WTF_CPU_X86 1)
++ELSEIF (LOWERCASE_CMAKE_SYSTEM_PROCESSOR MATCHES "^riscv64")
++    SET(WTF_CPU_RISCV64 1)
+ ELSE ()
+     MESSAGE(FATAL_ERROR "Unknown CPU '${CMAKE_SYSTEM_PROCESSOR}'")
+ ENDIF ()
+diff --git a/Source/JavaScriptCore/CMakeLists.txt b/Source/JavaScriptCore/CMakeLists.txt
+index 0a7a8bd3..14fbcdbf 100644
+--- a/Source/JavaScriptCore/CMakeLists.txt
++++ b/Source/JavaScriptCore/CMakeLists.txt
+@@ -471,6 +471,7 @@ IF (WTF_CPU_ARM)
+ ELSEIF (WTF_CPU_MIPS)
+ ELSEIF (WTF_CPU_X86)
+ ELSEIF (WTF_CPU_X86_64)
++ELSEIF (WTF_CPU_RISCV64)
+ ELSE ()
+     MESSAGE(FATAL_ERROR "Unknown CPU")
+ ENDIF ()
+diff --git a/Source/JavaScriptCore/JavaScriptCore.pri b/Source/JavaScriptCore/JavaScriptCore.pri
+index e5f4362c..f175d09e 100644
+--- a/Source/JavaScriptCore/JavaScriptCore.pri
++++ b/Source/JavaScriptCore/JavaScriptCore.pri
+@@ -37,6 +37,14 @@ macx: INCLUDEPATH += $$JAVASCRIPTCORE_GENERATED_SOURCES_DIR/$$activeBuildConfig(
+ 
+ win32-*: LIBS += -lwinmm
+ 
++# Hack around RISCV64 fail wrt JSValue.h
++# SValue.h unconditionally casts pointer to int32_t.
++# add -fpermissive locally as a workaround
++equals(QT_ARCH, riscv64) {
++    message("JavaScriptCore riscv64 hack: -fpermissive")
++    QMAKE_CXXFLAGS += -fpermissive
++}
++
+ wince* {
+     INCLUDEPATH += $$QT.core.sources/../3rdparty/ce-compat
+     INCLUDEPATH += $$SOURCE_DIR/os-win32
+diff --git a/Source/WTF/wtf/Platform.h b/Source/WTF/wtf/Platform.h
+index 56c6f256..639063bb 100644
+--- a/Source/WTF/wtf/Platform.h
++++ b/Source/WTF/wtf/Platform.h
+@@ -164,6 +164,11 @@
+ #define WTF_CPU_BIG_ENDIAN 1
+ #endif
+ 
++/* CPU(RISCV64) - RISCV64 */
++#if defined(__riscv) && defined(__riscv_xlen) && __riscv_xlen == 64
++#define WTF_CPU_RISCV64 1
++#endif
++
+ /* CPU(X86) - i386 / x86 32-bit */
+ #if   defined(__i386__) \
+     || defined(i386)     \
+@@ -906,7 +911,8 @@
+     || CPU(S390X) \
+     || CPU(AARCH64) \
+     || CPU(MIPS64) \
+-    || CPU(PPC64)
++    || CPU(PPC64) \
++    || CPU(RISCV64)
+ #define WTF_USE_JSVALUE64 1
+ #else
+ #define WTF_USE_JSVALUE32_64 1
+@@ -932,7 +938,8 @@
+     && (CPU(X86) || CPU(X86_64) || CPU(ARM) || CPU(MIPS)) \
+     && (OS(DARWIN) || !COMPILER(GCC) || GCC_VERSION_AT_LEAST(4, 1, 0)) \
+     && !OS(WINCE) \
+-    && !OS(QNX)
++    && !OS(QNX) \
++    && !CPU(RISCV64)
+ #define ENABLE_JIT 1
+ #endif
+ 
+diff --git a/Source/WTF/wtf/dtoa/utils.h b/Source/WTF/wtf/dtoa/utils.h
+index bc17f043..91493297 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(PPC) || CPU(PPC64) || OS(WINCE) || CPU(SH4) || CPU(S390) || CPU(S390X) || CPU(IA64) || CPU(SPARC) || CPU(ALPHA) || CPU(MIPS64) || CPU(AARCH64) || CPU(HPPA)
++#elif CPU(MIPS) || CPU(PPC) || CPU(PPC64) || OS(WINCE) || CPU(SH4) || CPU(S390) || CPU(S390X) || CPU(IA64) || CPU(SPARC) || CPU(ALPHA) || CPU(MIPS64) || CPU(AARCH64) || CPU(HPPA) || CPU(RISCV64)
+ #define DOUBLE_CONVERSION_CORRECT_DOUBLE_OPERATIONS 1
+ #elif defined(_M_IX86) || defined(__i386__)
+ #if defined(_WIN32)