Setting Up Long Mode: Revision history

9 June 2024

• curprev 05:4605:46, 9 June 2024‎ Xtex talk contribs‎ m 16,914 bytes +180‎ Bot: Replace deprecated source tag with syntaxhighlight
• curprev 04:5404:54, 9 June 2024‎ Xtex talk contribs‎ m 16,734 bytes +144‎ Bot: Replace deprecated source tag with syntaxhighlight

11 September 2023

• curprev 15:5915:59, 11 September 2023‎ Orbital talk contribs‎ 16,590 bytes −74‎ Updated PML5 paragraph, it's 4 years since it started to be supported

24 August 2023

• curprev 06:1106:11, 24 August 2023‎ osdev>Iscoffeetho‎ m 16,664 bytes 0‎ Wording change - easier to read

10 July 2023

• curprev 14:4914:49, 10 July 2023‎ osdev>Khaledhammouda‎ 16,664 bytes +29‎ No edit summary

9 July 2023

• curprev 04:4604:46, 9 July 2023‎ osdev>Khaledhammouda‎ 16,635 bytes +24‎ No edit summary

9 November 2021

• curprev 09:3909:39, 9 November 2021‎ osdev>Deadmutex‎ 16,611 bytes +124‎ →‎Entering the 64-bit Submode

7 November 2021

• curprev 10:0710:07, 7 November 2021‎ osdev>Deadmutex‎ 16,487 bytes 0‎ →‎Entering the 64-bit Submode: Changed erroneous bits in GDT that could cause errors

18 October 2021

• curprev 23:3623:36, 18 October 2021‎ osdev>Semiviral‎ m 16,487 bytes 0‎ Fix capitalization of GDT sub-labels
• curprev 23:3523:35, 18 October 2021‎ osdev>Semiviral‎ 16,487 bytes −81‎ Fix limit of example GDT
• curprev 23:3423:34, 18 October 2021‎ osdev>Semiviral‎ 16,568 bytes +268‎ Fix GDT to workable solution
• curprev 18:5718:57, 18 October 2021‎ osdev>Semiviral‎ 16,300 bytes +9‎ Fix GDT .Code segment `Size` flag.
• curprev 18:5418:54, 18 October 2021‎ osdev>Semiviral‎ 16,291 bytes −4‎ Fix typo
• curprev 18:5418:54, 18 October 2021‎ osdev>Semiviral‎ 16,295 bytes −349‎ Previous GDT had several unworkable errors, causing long-mode to not be properly enabled.

19 February 2018

• curprev 21:1221:12, 19 February 2018‎ osdev>Pochito‎ 16,644 bytes +249‎ To enter 64 bits mode from 32 bits you have to be careful with code segment limit!

11 November 2017

• curprev 01:4601:46, 11 November 2017‎ osdev>Bellezzasolo‎ m 16,395 bytes 0‎ →‎Future of x86-64 - the PML5: cupid!
• curprev 01:4501:45, 11 November 2017‎ osdev>Bellezzasolo‎ 16,395 bytes +1,208‎ →‎Entering Long Mode: Added a section about 5 level paging

16 March 2017

• curprev 07:1007:10, 16 March 2017‎ osdev>Octocontrabass‎ 15,187 bytes +15‎ →‎Entering the 64-bit Submode: "IA-32e" is Intel's name for AMD64.

1 January 2016

• curprev 03:5303:53, 1 January 2016‎ osdev>Henrikhodne‎ 15,172 bytes +58‎ Improve ASM comments on CPUID detection -- old comments were mostly English versions of each command, the new ones explain the high-level steps of the code

10 August 2015

• curprev 16:4816:48, 10 August 2015‎ Rod talk contribs‎ m 15,114 bytes +102‎ Make data segment writable and code segment readable. Update ss segment.

9 June 2015

• curprev 10:4910:49, 9 June 2015‎ osdev>Myrl‎ m 15,012 bytes 0‎ movsq -> stosq

15 May 2015

• curprev 02:1502:15, 15 May 2015‎ Isaac talk contribs‎ 15,012 bytes −24‎ →‎Setting up the Paging

1 January 2015

• curprev 20:0120:01, 1 January 2015‎ osdev>Sortie‎ m 15,036 bytes −12‎ s/dword/uint32_t/g

1 November 2014

• curprev 18:5718:57, 1 November 2014‎ osdev>Bellezzasolo‎ m 15,048 bytes 0‎ moved User:Stephanvanschaik/Setting Up Long Mode to Setting Up Long Mode: Nobody seems to object to this being moved to the main namespace, and it is a quality article.

1 October 2010

• curprev 09:2509:25, 1 October 2010‎ osdev>Love4boobies‎ 15,048 bytes −238‎ Cleared up that rmode->lmode is documented; the A20 gate needn't be enabled; deleted "assumptions" since they didn't really assume anything.
• curprev 01:0801:08, 1 October 2010‎ osdev>Stephanvanschaik‎ m 15,286 bytes +1‎ →‎Setting up the Paging
• curprev 00:5100:51, 1 October 2010‎ osdev>Stephanvanschaik‎ m 15,285 bytes +1‎ →‎Detection of CPUID

23 August 2010

• curprev 06:0706:07, 23 August 2010‎ Brendan talk contribs‎ 15,284 bytes +33‎ LMA bit was wrong, changed some comments (bit 0 is the first bit, bit 31 is the 32nd bit, etc)

21 July 2010

• curprev 05:3105:31, 21 July 2010‎ osdev>Jackpot51‎ m 15,251 bytes 0‎ The PAE bit is bit number 5 in CR4, not bit number 6.

29 May 2010

• curprev 13:0713:07, 29 May 2010‎ Brendan talk contribs‎ m 15,251 bytes 0‎ The LM-bit is the 8th bit, not the 9th...

27 April 2010

• curprev 18:4818:48, 27 April 2010‎ osdev>Stephanvanschaik‎ m 15,251 bytes −4‎ →‎x86 or x86-64
• curprev 18:4818:48, 27 April 2010‎ osdev>Stephanvanschaik‎ m 15,255 bytes −4‎ →‎Detection of CPUID

26 April 2010

• curprev 19:5419:54, 26 April 2010‎ osdev>Stephanvanschaik‎ m 15,259 bytes −15‎ →‎Sample
• curprev 19:5419:54, 26 April 2010‎ osdev>Stephanvanschaik‎ m 15,274 bytes −4‎ →‎Setting up the Paging: Removed a word that shouldn't have been there.
• curprev 19:5119:51, 26 April 2010‎ osdev>Stephanvanschaik‎ m 15,278 bytes +408‎ Rearranged the other comments aswell.

25 April 2010

• curprev 10:3710:37, 25 April 2010‎ osdev>Stephanvanschaik‎ m 14,870 bytes +34‎ →‎Articles

19 April 2010

• curprev 18:1418:14, 19 April 2010‎ osdev>Love4boobies‎ 14,836 bytes +23‎ Fixed a bug, fixed some wrong comments and rearranged comments to be more readable (not all though).
• curprev 17:5217:52, 19 April 2010‎ osdev>Stephanvanschaik‎ m 14,813 bytes −224‎ →‎Setting up the Paging: Removed the cr3 code sample.
• curprev 15:5715:57, 19 April 2010‎ osdev>Stephanvanschaik‎ m 15,037 bytes +122‎ →‎Setting up the Paging: Fixed some of the code samples.
• curprev 05:1805:18, 19 April 2010‎ osdev>Stephanvanschaik‎ m 14,915 bytes +1‎ →‎Setting up the Paging

31 March 2010

• curprev 16:0516:05, 31 March 2010‎ osdev>Stephanvanschaik‎ m 14,914 bytes −26‎ Removed the note about the stack segment.

30 March 2010

• curprev 14:4714:47, 30 March 2010‎ osdev>Stephanvanschaik‎ m 14,940 bytes +19‎ Fixed up the 'See also'.
• curprev 14:4614:46, 30 March 2010‎ osdev>Stephanvanschaik‎ m 14,921 bytes +389‎ →‎Articles

27 March 2010

• curprev 11:2711:27, 27 March 2010‎ osdev>Stephanvanschaik‎ m 14,532 bytes +159‎ No edit summary

21 February 2010

• curprev 16:3916:39, 21 February 2010‎ osdev>Stephanvanschaik‎ m 14,373 bytes −91‎ →‎Detecting the Presence of Long Mode: Updated the information about VIA.
• curprev 16:3216:32, 21 February 2010‎ osdev>Stephanvanschaik‎ m 14,464 bytes −1,090‎ Fixed some issues as mentioned in the related discussion.
• curprev 10:1610:16, 21 February 2010‎ osdev>Stephanvanschaik‎ m 15,554 bytes 0‎ →‎Introduction: typo
• curprev 09:5709:57, 21 February 2010‎ osdev>Stephanvanschaik‎ m 15,554 bytes −2‎ →‎Sample
• curprev 09:5609:56, 21 February 2010‎ osdev>Stephanvanschaik‎ m 15,556 bytes 0‎ →‎Sample
• curprev 09:5609:56, 21 February 2010‎ osdev>Stephanvanschaik‎ m 15,556 bytes +1‎ →‎Overview