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avlad
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Joined: 13 Feb 2003
Posts: 24
Location: Simferopol

PostPosted: Tue Jul 05, 2005 7:32 am    Post subject: AMD64 и vesa-tng Reply with quote

Привет всем,

У меня вопрос, почему на amd64 vesa-tng в gentoo-sources отсутсвует, а в томже ядре для x86 есть (я про make menuconfig ) ?


Last edited by avlad on Tue Jul 05, 2005 12:03 pm; edited 2 times in total
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Laitr Keiows
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Joined: 04 Jul 2005
Posts: 891
Location: Kobe, Japan

PostPosted: Tue Jul 05, 2005 7:40 am    Post subject: Вопрос наверное такой был Reply with quote

Quote:
У меня вопрос, почему на amd64 vesa-ng в gentoo-sources отсутсвует, а в томже ядре для x86 есть (я про make menuconfig ) ?
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ZByte
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Joined: 18 Aug 2004
Posts: 141
Location: Moscow, Russia

PostPosted: Tue Jul 05, 2005 11:27 am    Post subject: Reply with quote

Идём вот сюда:
/usr/src/linux/Documentation/fb
и в файлике vesafb.txt читаем следующее:
Quote:
The VESA framebuffer driver comes in two flavors - the standard vesafb
and vesafb-tng. Vesafb-tng is available only on 32-bit x86 due to the
technology it uses (vm86).

А также вот это:
Quote:
If your system doesn't support vm86 calls yet (all 64-bit platforms), things
get a little more tricky. Since on such systems you can't do BIOS calls from
protected mode in which kernel runs, you have to decide at boot time whenever
you want to run in text or in graphics mode. Switching mode later on is
impossible. Switching modes is done using the vga=... boot parameter. Read
Documentation/svga.txt for details. Below is a more detailed description of
what to do on systems using the standard vesafb driver.
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avlad
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Joined: 13 Feb 2003
Posts: 24
Location: Simferopol

PostPosted: Tue Jul 05, 2005 12:02 pm    Post subject: Reply with quote

[quote="ZByte"]Идём вот сюда:
/usr/src/linux/Documentation/fb
и в файлике vesafb.txt читаем следующее:
Quote:
The VESA framebuffer driver comes in two flavors - the standard vesafb
and vesafb-tng. Vesafb-tng is available only on 32-bit x86 due to the
technology it uses (vm86).


Спасибо за ответ :)
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