At 12:08 PM -0800 12/19/96, Peter Hendrickson wrote:
Are there any modern processors which keep the code and data separated?
Many modern processors keep separate L1 caches for code and data. Sparc architecture requires a special instruction to say, "I have just used data operations to change this part of the program." I assume that program fetchers and linkers must use this instruction. Keeping separate main memory makes program loading and in-memory dynamic linking hard. The linker's data is the processor's program. ------------------------------------------------------------------------- Bill Frantz | I still read when I should | Periwinkle -- Consulting (408)356-8506 | be doing something else. | 16345 Englewood Ave. frantz@netcom.com | It's a vice. - R. Heinlein | Los Gatos, CA 95032, USA