>If you are running the Linux kernel, then your target is not mips-elf, >but rather mips-linux-gnu. For that target, glibc or uclibc is >appropriate.
Exactly to say, the target is neither mips-elf nor mips-linux-gnu. I just use mips-elf as the start. It's a new target with little endian and own ISA. We need to port binutils and gcc and also library. Thanks again. Eric