default-configs/targets/riscv64-linux-user.mak

   1 TARGET_ARCH=riscv64
   2 TARGET_BASE_ARCH=riscv
   3 TARGET_ABI_DIR=riscv
   4 TARGET_XML_FILES= gdb-xml/riscv-64bit-cpu.xml gdb-xml/riscv-32bit-fpu.xml gdb-xml/riscv-64bit-fpu.xml gdb-xml/riscv-64bit-csr.xml gdb-xml/riscv-64bit-virtual.xml