On Wed, Sep 08, 2010 at 04:02:14PM -0700, Kevin Cernekee wrote: > Some MIPS32R1 processors implement UserLocal (RDHWR $29) to accelerate > programs that make extensive use of thread-local storage. Therefore, > setting up the HWRENA register should not depend on cpu_has_mips_r2. Interesting - which R1 processor has RDHWR? When UserLocal was conceived R2 was already long released. Ralf