Message from JavaScript discussions

August 2017

— Nice


If you give a user program the right to modify files in a subdirectory, that's ALOT better than giving it the rights of the user running it

— Google Caja is based on this videos, which is basically a sandboxed DOM

— Interesting

— In this OS there will be 2 isolated contiguous address spaces, one for supervisor mode and one for user mode

Message permanent page

— The MMU would then check the mode, then translate memory access to protect supervisor code and data from the user side

Message permanent page

— Supervisor can reach both user and supervisor addresses while user can only access user addresses

— Oh wow

— Low-level

— This implemented in JS?

— It's like the ghetto version of psuedo-protected memory, before we really had it

— It will be!