diff --git a/cmake/modules/HandleLLVMOptions.cmake b/cmake/modules/HandleLLVMOptions.cmake
index 5ef22eb493ba..f40625c7eed2 100644
--- a/cmake/modules/HandleLLVMOptions.cmake
+++ b/cmake/modules/HandleLLVMOptions.cmake
@@ -132,7 +132,7 @@ if(WIN32)
     set(LLVM_ON_UNIX 0)
   endif(CYGWIN)
 else(WIN32)
-  if(FUCHSIA OR UNIX)
+  if(FUCHSIA OR GENODE OR UNIX)
     set(LLVM_ON_WIN32 0)
     set(LLVM_ON_UNIX 1)
     if(APPLE OR ${CMAKE_SYSTEM_NAME} MATCHES "AIX")
@@ -140,9 +140,9 @@ else(WIN32)
     else()
       set(LLVM_HAVE_LINK_VERSION_SCRIPT 1)
     endif()
-  else(FUCHSIA OR UNIX)
+  else(FUCHSIA OR GENODE OR UNIX)
     MESSAGE(SEND_ERROR "Unable to determine platform")
-  endif(FUCHSIA OR UNIX)
+  endif(FUCHSIA OR GENODE OR UNIX)
 endif(WIN32)
 
 set(EXEEXT ${CMAKE_EXECUTABLE_SUFFIX})
diff --git a/include/llvm/ADT/Triple.h b/include/llvm/ADT/Triple.h
index 6bad18f19244..95459ca997c5 100644
--- a/include/llvm/ADT/Triple.h
+++ b/include/llvm/ADT/Triple.h
@@ -166,6 +166,7 @@ public:
     DragonFly,
     FreeBSD,
     Fuchsia,
+    Genode,
     IOS,
     KFreeBSD,
     Linux,
@@ -502,6 +503,8 @@ public:
 
   bool isOSDragonFly() const { return getOS() == Triple::DragonFly; }
 
+  bool isOSGenode() const { return getOS() == Triple::Genode; }
+
   bool isOSSolaris() const {
     return getOS() == Triple::Solaris;
   }
diff --git a/include/llvm/BinaryFormat/ELF.h b/include/llvm/BinaryFormat/ELF.h
index bdcf10fd1640..46ed8e56cc31 100644
--- a/include/llvm/BinaryFormat/ELF.h
+++ b/include/llvm/BinaryFormat/ELF.h
@@ -348,6 +348,7 @@ enum {
   ELFOSABI_AROS = 15,          // AROS
   ELFOSABI_FENIXOS = 16,       // FenixOS
   ELFOSABI_CLOUDABI = 17,      // Nuxi CloudABI
+  ELFOSABI_GENODE = 18,        // Genode
   ELFOSABI_FIRST_ARCH = 64,    // First architecture-specific OS ABI
   ELFOSABI_AMDGPU_HSA = 64,    // AMD HSA runtime
   ELFOSABI_AMDGPU_PAL = 65,    // AMD PAL runtime
diff --git a/include/llvm/MC/MCELFObjectWriter.h b/include/llvm/MC/MCELFObjectWriter.h
index 8f78b99d3794..7a1d1981f60d 100644
--- a/include/llvm/MC/MCELFObjectWriter.h
+++ b/include/llvm/MC/MCELFObjectWriter.h
@@ -74,6 +74,8 @@ public:
     switch (OSType) {
       case Triple::CloudABI:
         return ELF::ELFOSABI_CLOUDABI;
+      case Triple::Genode:
+        return ELF::ELFOSABI_GENODE;
       case Triple::HermitCore:
         return ELF::ELFOSABI_STANDALONE;
       case Triple::PS4:
diff --git a/lib/ObjectYAML/ELFYAML.cpp b/lib/ObjectYAML/ELFYAML.cpp
index 2353b34f188b..e93f53c40888 100644
--- a/lib/ObjectYAML/ELFYAML.cpp
+++ b/lib/ObjectYAML/ELFYAML.cpp
@@ -268,6 +268,7 @@ void ScalarEnumerationTraits<ELFYAML::ELF_ELFOSABI>::enumeration(
   ECase(ELFOSABI_AROS);
   ECase(ELFOSABI_FENIXOS);
   ECase(ELFOSABI_CLOUDABI);
+  ECase(ELFOSABI_GENODE);
   ECase(ELFOSABI_AMDGPU_HSA);
   ECase(ELFOSABI_AMDGPU_PAL);
   ECase(ELFOSABI_AMDGPU_MESA3D);
diff --git a/lib/Support/Triple.cpp b/lib/Support/Triple.cpp
index fec1985ccaca..1f3e4f07fb8e 100644
--- a/lib/Support/Triple.cpp
+++ b/lib/Support/Triple.cpp
@@ -197,6 +197,7 @@ StringRef Triple::getOSTypeName(OSType Kind) {
   case Emscripten: return "emscripten";
   case FreeBSD: return "freebsd";
   case Fuchsia: return "fuchsia";
+  case Genode: return "genode";
   case Haiku: return "haiku";
   case HermitCore: return "hermit";
   case Hurd: return "hurd";
@@ -494,6 +495,7 @@ static Triple::OSType parseOS(StringRef OSName) {
     .StartsWith("dragonfly", Triple::DragonFly)
     .StartsWith("freebsd", Triple::FreeBSD)
     .StartsWith("fuchsia", Triple::Fuchsia)
+    .StartsWith("genode", Triple::Genode)
     .StartsWith("ios", Triple::IOS)
     .StartsWith("kfreebsd", Triple::KFreeBSD)
     .StartsWith("linux", Triple::Linux)
diff --git a/tools/llvm-readobj/ELFDumper.cpp b/tools/llvm-readobj/ELFDumper.cpp
index 15076f1f8933..b0636e7eb196 100644
--- a/tools/llvm-readobj/ELFDumper.cpp
+++ b/tools/llvm-readobj/ELFDumper.cpp
@@ -1334,6 +1334,7 @@ static const EnumEntry<unsigned> ElfOSABI[] = {
   {"AROS",         "AROS",                 ELF::ELFOSABI_AROS},
   {"FenixOS",      "FenixOS",              ELF::ELFOSABI_FENIXOS},
   {"CloudABI",     "CloudABI",             ELF::ELFOSABI_CLOUDABI},
+  {"Genode",       "Genode",               ELF::ELFOSABI_GENODE},
   {"Standalone",   "Standalone App",       ELF::ELFOSABI_STANDALONE}
 };
 
diff --git a/unittests/ADT/TripleTest.cpp b/unittests/ADT/TripleTest.cpp
index dc7a28c72f20..eb62772c1dda 100644
--- a/unittests/ADT/TripleTest.cpp
+++ b/unittests/ADT/TripleTest.cpp
@@ -248,6 +248,12 @@ TEST(TripleTest, ParsedIDs) {
   EXPECT_EQ(Triple::Fuchsia, T.getOS());
   EXPECT_EQ(Triple::UnknownEnvironment, T.getEnvironment());
 
+  T = Triple("x86_64-unknown-genode");
+  EXPECT_EQ(Triple::x86_64, T.getArch());
+  EXPECT_EQ(Triple::UnknownVendor, T.getVendor());
+  EXPECT_EQ(Triple::Genode, T.getOS());
+  EXPECT_EQ(Triple::UnknownEnvironment, T.getEnvironment());
+
   T = Triple("x86_64-unknown-hermit");
   EXPECT_EQ(Triple::x86_64, T.getArch());
   EXPECT_EQ(Triple::UnknownVendor, T.getVendor());
diff --git a/utils/benchmark/src/internal_macros.h b/utils/benchmark/src/internal_macros.h
index f2d54bfcbd9d..e20f891d435b 100644
--- a/utils/benchmark/src/internal_macros.h
+++ b/utils/benchmark/src/internal_macros.h
@@ -65,6 +65,8 @@
 #define BENCHMARK_OS_FUCHSIA 1
 #elif defined (__SVR4) && defined (__sun)
 #define BENCHMARK_OS_SOLARIS 1
+#elif defined(__GENODE__)
+  #define BENCHMARK_OS_GENODE 1
 #endif
 
 #if !__has_feature(cxx_exceptions) && !defined(__cpp_exceptions) \
diff --git a/utils/gn/secondary/clang/lib/Driver/BUILD.gn b/utils/gn/secondary/clang/lib/Driver/BUILD.gn
index 04d483a12eed..e487a9a9a016 100644
--- a/utils/gn/secondary/clang/lib/Driver/BUILD.gn
+++ b/utils/gn/secondary/clang/lib/Driver/BUILD.gn
@@ -66,6 +66,7 @@ static_library("Driver") {
     "ToolChains/Flang.cpp",
     "ToolChains/FreeBSD.cpp",
     "ToolChains/Fuchsia.cpp",
+    "ToolChains/Genode.cpp",
     "ToolChains/Gnu.cpp",
     "ToolChains/HIP.cpp",
     "ToolChains/Haiku.cpp",