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TARGET_ARCH=riscv64 TARGET_BASE_ARCH=riscv TARGET_SUPPORTS_MTTCG=y 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 TARGET_NEED_FDT=y