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boot_loader_openfirmware: Preparations for frame buffer

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Initialize the frame buffer as not enabled. Add checks for this condition
and for the debug boot option to the video functions.

Code is adapted from bios_ia32 platform. Part of ticket #6105.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@38299 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Andreas Färber 2010-08-21 17:42:28 +00:00
parent 3f0a83281f
commit 0dfe97ade1
1 changed files with 14 additions and 0 deletions
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14
src/system/boot/platform/openfirmware/video.cpp
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@ -1,15 +1,21 @@
/*
* Copyright 2004, Axel Dörfler, axeld@pinc-software.de.
* Copyright 2010 Andreas Färber <andreas.faerber@web.de>
* All rights reserved. Distributed under the terms of the MIT License.
*/
#include <boot/platform.h>
#include <boot/stage2.h>
extern "C" void
platform_switch_to_logo(void)
{
// in debug mode, we'll never show the logo
if ((platform_boot_options() & BOOT_OPTION_DEBUG_OUTPUT) != 0)
return;
// ToDo: implement me
}
@ -17,13 +23,21 @@ platform_switch_to_logo(void)
extern "C" void
platform_switch_to_text_mode(void)
{
// nothing to do if we're in text mode
if (!gKernelArgs.frame_buffer.enabled)
return;
// ToDo: implement me
gKernelArgs.frame_buffer.enabled = false;
}
extern "C" status_t
platform_init_video(void)
{
gKernelArgs.frame_buffer.enabled = false;
// ToDo: implement me
return B_OK;
}