: : There are plenty of memory-mapped ports and they can behave just like IO ports. Therefore, don't read from memory you don't know about. In a protected-mode OS, you simply can't read from random
: There are plenty of memory-mapped ports and they can behave just like IO ports. Therefore, don't read from memory you don't know about. In a protected-mode OS, you simply can't read from random a
There are plenty of memory-mapped ports and they can behave just like IO ports. Therefore, don't read from memory you don't know about. In a protected-mode OS, you simply can't read from random addr
If any interrupt occurs in protected mode and you didn't set up a correct interrupt handler, the CPU will generate a General Prontection Fault Exception (#GP). And if you didn't set up a correct inter
The protection scheme also checks segment registers when you load them, and it compares the CPL,RPL, and DPL, and if they aren't all equal, then #GP, and I find it VERY unlikely that you'll find a fla