1 files changed, 62 insertions, 0 deletions
diff --git a/llvm/lib/Target/CSKY/MCTargetDesc/CSKYMCTargetDesc.cpp b/llvm/lib/Target/CSKY/MCTargetDesc/CSKYMCTargetDesc.cpp
new file mode 100644
index 000000000000..876000a37004
--- /dev/null
+++ b/llvm/lib/Target/CSKY/MCTargetDesc/CSKYMCTargetDesc.cpp
@@ -0,0 +1,62 @@
+//===-- CSKYMCTargetDesc.cpp - CSKY Target Descriptions -------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+///
+/// This file provides CSKY specific target descriptions.
+///
+//===----------------------------------------------------------------------===//
+
+#include "CSKYMCTargetDesc.h"
+#include "CSKYAsmBackend.h"
+#include "CSKYMCAsmInfo.h"
+#include "CSKYMCCodeEmitter.h"
+#include "TargetInfo/CSKYTargetInfo.h"
+#include "llvm/MC/MCInstrInfo.h"
+#include "llvm/MC/MCRegisterInfo.h"
+#include "llvm/MC/MCSubtargetInfo.h"
+#include "llvm/Support/TargetRegistry.h"
+
+#define GET_INSTRINFO_MC_DESC
+#include "CSKYGenInstrInfo.inc"
+
+#define GET_REGINFO_MC_DESC
+#include "CSKYGenRegisterInfo.inc"
+
+using namespace llvm;
+
+static MCAsmInfo *createCSKYMCAsmInfo(const MCRegisterInfo &MRI,
+                                      const Triple &TT,
+                                      const MCTargetOptions &Options) {
+  MCAsmInfo *MAI = new CSKYMCAsmInfo(TT);
+
+  // Initial state of the frame pointer is SP.
+  unsigned Reg = MRI.getDwarfRegNum(CSKY::R14, true);
+  MCCFIInstruction Inst = MCCFIInstruction::cfiDefCfa(nullptr, Reg, 0);
+  MAI->addInitialFrameState(Inst);
+  return MAI;
+}
+
+static MCInstrInfo *createCSKYMCInstrInfo() {
+  MCInstrInfo *Info = new MCInstrInfo();
+  InitCSKYMCInstrInfo(Info);
+  return Info;
+}
+
+static MCRegisterInfo *createCSKYMCRegisterInfo(const Triple &TT) {
+  MCRegisterInfo *Info = new MCRegisterInfo();
+  InitCSKYMCRegisterInfo(Info, CSKY::R15);
+  return Info;
+}
+
+extern "C" LLVM_EXTERNAL_VISIBILITY void LLVMInitializeCSKYTargetMC() {
+  auto &CSKYTarget = getTheCSKYTarget();
+  TargetRegistry::RegisterMCAsmBackend(CSKYTarget, createCSKYAsmBackend);
+  TargetRegistry::RegisterMCAsmInfo(CSKYTarget, createCSKYMCAsmInfo);
+  TargetRegistry::RegisterMCInstrInfo(CSKYTarget, createCSKYMCInstrInfo);
+  TargetRegistry::RegisterMCRegInfo(CSKYTarget, createCSKYMCRegisterInfo);
+  TargetRegistry::RegisterMCCodeEmitter(CSKYTarget, createCSKYMCCodeEmitter);
+}