os-tutorial icon indicating copy to clipboard operation
os-tutorial copied to clipboard

cr0 "32bit bit" -> "protected mode" bit

Open atomheartother opened this issue 5 years ago • 0 comments

This comment seems misleading to me, bit 0 of the cr0 register enables protected mode, and that is its official name, is there a reason why it says "32 bit"? Sources:

  • Intel manual page 78
  • https://wiki.osdev.org/CPU_Registers_x86#CR0

atomheartother avatar Jan 22 '20 13:01 atomheartother