Protected Mode: Difference between revisions

Protected Mode (view source)

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Revision as of 07:35, 25 November 2018 (view source) osdev>Sopaxorztaker m (Style) ← Older edit		Latest revision as of 04:52, 9 June 2024 (view source) Xtex (talk \| contribs) m (Bot: Replace deprecated source tag with syntaxhighlight)
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Line 13: This example loads a descriptor table into the processor's GDTR register, and then sets the lowest bit of CR0: <~~source~~syntaxhighlight lang="asm"> cli ; disable interrupts lgdt [gdtr] ; load GDT register with start address of Global Descriptor Table Line 26: PModeMain: ; load DS, ES, FS, GS, SS, ESP </syntaxhighlight> ~~</source>~~ ==See Also== Line 34: ===External Links=== http://www.osdever.net/tutorials/view/the-world-of-protected-mode - very good tutorial on how ~~entry~~ to enter protected mode [http://www.nondot.org/sabre/os/articles/ProtectedMode/ OSRC: protected mode] http://home.swipnet.se/smaffy/asm/info/embedded_pmode.pdf - pragmatic tutorial on protected mode ([http://web.archive.org/web/20030604185154/http://home.swipnet.se/smaffy/asm/info/embedded_pmode.pdf Cached copy]) http://www.brokenthorn.com/Resources/OSDev8.html [[Wikipedia:Protected_mode\|Protected mode Wikipedia page]] http://members.tripod.com/protected_mode/alexfru/pmtuts.html - PMode tutorials in C & Asm [[Category:X86 CPU]]