On Thu, Jan 12, 2012 at 11:00:43AM -0800, James Greensky wrote: > Hello all, I have a question about icount and tb chaining that I hope > somebody can clear up. In cpu-exec.c, when the icount_decr.u16.low > counter expires, it passes back the current tb as the next_tb and add > a jump with the least significant bits = 2. This falls through to tb > add jump, which then updates the jmp_first field of the current tb. > why is this done? Thanks -Jim
Could you elaborate on the whole sequence? I am not sure where should I look into to answer your question. Thanks. Regards, chenwj -- Wei-Ren Chen (陳韋任) Computer Systems Lab, Institute of Information Science, Academia Sinica, Taiwan (R.O.C.) Tel:886-2-2788-3799 #1667 Homepage: http://people.cs.nctu.edu.tw/~chenwj
