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Kernel: Drop support of GRUB VBE modesetting

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We used GRUB to modeset the resolution for a long time, but for good
reasons I see no point with keeping it supported in our kernel. We
support bochs-display device on QEMU (both the VGA compatible and
non-VGA compatible variants), so for QEMU we can still boot the system
in graphical mode even without GRUB help.

Also, we now have a native driver for Intel graphics and although it
doesn't support most Intel graphics cards out there yet, it's a good
starting point to support more cards. If a user wants to boot on
bare-metal in graphical mode, all he needs to do is to add the removed
flag back again, as the kernel still supports pre-set framebuffers.
This commit is contained in:
Liav A 2021-04-16 21:38:52 +03:00 committed by Andreas Kling
parent cc92538d49
commit 2cd1f928e1
Notes: sideshowbarker 2024-07-18 18:01:01 +09:00 
Author: https://github.com/supercomputer7
Commit: https://github.com/SerenityOS/serenity/commit/2cd1f928e17
Pull-request: https://github.com/SerenityOS/serenity/pull/6277
Reviewed-by: https://github.com/ElectrodeYT
Reviewed-by: https://github.com/awesomekling
1 changed files with 1 additions and 1 deletions
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2
Kernel/Arch/i386/Boot/boot.S
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@ -2,7 +2,7 @@
.set MULTIBOOT_PAGE_ALIGN, 0x1
.set MULTIBOOT_MEMORY_INFO, 0x2
.set MULTIBOOT_VIDEO_MODE, 0x4
.set multiboot_flags, MULTIBOOT_PAGE_ALIGN | MULTIBOOT_MEMORY_INFO | MULTIBOOT_VIDEO_MODE
.set multiboot_flags, MULTIBOOT_PAGE_ALIGN | MULTIBOOT_MEMORY_INFO
.set multiboot_checksum, -(MULTIBOOT_MAGIC + multiboot_flags)
.section .multiboot