> Ben, FYI, > > The latest 745x user manual is here: > http://e-www.motorola.com/files/32bit/doc/ref_manual/MPC7450UM.pdf > > Here are some relevant sections: > - 3.4.1.1 (p. 3-32) Enabling and Disabling the Data Cache > - 3.4.1.3 (p. 3-33) Enabling and Disabling the Instruction Cache > - 3.6.3.1.5 (p. 3-55) Flushing of L1, L2, and L3 I haven't much time to play with that at the moment, but you are welcome to fix the code :) Ben.