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Annotation of Gnu-Mach/i386/util/NOTES, revision 1.1

1.1     ! root        1: 
        !             2: raw_switch:
        !             3: 
        !             4:        Provides the code to switch between real and protected mode.
        !             5:        Switches between the environments "completely":
        !             6:        e.g. when switching to protected mode,
        !             7:        all the normal protected-mode state for that environment is set up.
        !             8: 
        !             9: raw_pmode:
        !            10: 
        !            11:        i16_raw_enter_pmode()
        !            12:                Enters protoected mode from real mode.
        !            13:                Does not initialize IDT or TSS or anything else;
        !            14:                just gets the system into protected mode
        !            15:                with a simple temporary GDT.
        !            16:                Returns with interrupts turned off
        !            17:                (and they'd better stay off until there's a valid pmode IDT!)
        !            18: 
        !            19:        i16_raw_leave_pmode()
        !            20:                Assumes paging is turned off.
        !            21:                Returns with interrupts turned off;
        !            22:                they can probably be turned back on at any time.
        !            23: 
        !            24:        Depends on:
        !            25:                i16_die()
        !            26:                A20 enable/disable code (e.g. raw_a20).
        !            27:                gdt.h: KERNEL_16_CS, KERNEL_16_DS
        !            28: 
        !            29: 
        !            30: 
        !            31: vm_param.h:
        !            32: 
        !            33:        Must export kvtolin(), lintokv()
        !            34: 
        !            35: 

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