1TARGET_ARCH=riscv32 2TARGET_BASE_ARCH=riscv 3TARGET_ABI_DIR=riscv 4TARGET_XML_FILES= gdb-xml/riscv-32bit-cpu.xml gdb-xml/riscv-32bit-fpu.xml gdb-xml/riscv-64bit-fpu.xml gdb-xml/riscv-32bit-virtual.xml 5CONFIG_SEMIHOSTING=y 6CONFIG_ARM_COMPATIBLE_SEMIHOSTING=y 7