diff options
Diffstat (limited to 'i386/util/NOTES')
| -rw-r--r-- | i386/util/NOTES | 35 |
1 files changed, 0 insertions, 35 deletions
diff --git a/i386/util/NOTES b/i386/util/NOTES deleted file mode 100644 index 770bbef..0000000 --- a/i386/util/NOTES +++ /dev/null @@ -1,35 +0,0 @@ - -raw_switch: - - Provides the code to switch between real and protected mode. - Switches between the environments "completely": - e.g. when switching to protected mode, - all the normal protected-mode state for that environment is set up. - -raw_pmode: - - i16_raw_enter_pmode() - Enters protoected mode from real mode. - Does not initialize IDT or TSS or anything else; - just gets the system into protected mode - with a simple temporary GDT. - Returns with interrupts turned off - (and they'd better stay off until there's a valid pmode IDT!) - - i16_raw_leave_pmode() - Assumes paging is turned off. - Returns with interrupts turned off; - they can probably be turned back on at any time. - - Depends on: - i16_die() - A20 enable/disable code (e.g. raw_a20). - gdt.h: KERNEL_16_CS, KERNEL_16_DS - - - -vm_param.h: - - Must export kvtolin(), lintokv() - - |