Date: Fri, 19 Jul 2019 12:48:21 +0000 From: Robert Crowston <crowston@protonmail.com> To: Henrik Gulbrandsen <henrik@gulbra.net>, FreeBSD Virtualization <freebsd-virtualization@freebsd.org> Subject: Re: New video BIOS for bhyve Message-ID: <jHea1xh7utpIszJ8iFyjh_dU-VD98Ch8LBbQ-pH_mLv5vulK2Wwj8J1jqxL5liRBcnY7ML56QGEWE7Y9bpFgCJ9lXAmhsM41iFSMJKO7sCg=@protonmail.com> In-Reply-To: <ea5e9e82398c7cece09ebdd6f3551d31@www.gulbra.net> References: <ea5e9e82398c7cece09ebdd6f3551d31@www.gulbra.net>
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Fantastic! > Instead, I added support for PCI Expansion ROMs This was one of the limitation that prevents GPU pass through from working, so this is also a big step forwards. On Fri, Jul 19, 2019 at 11:02, Henrik Gulbrandsen <henrik@gulbra.net> wrote: > In the last few months, I have been extending the video support in bhyve > to allow booting from live ISO images, which sometimes lack UEFI > loaders. > There was already a video BIOS with dormant support for VGA, but I could > not use that, because the X11 int10 module runs a real-mode x86 emulator > that aborts when it tries to enter the C code running in protected mode. > > Instead, I added support for PCI Expansion ROMs to bhyve and wrote a new > SVGA video BIOS from scratch in 8086 assembly code. The current features > include VGA modes 3 and 12h, 24-bit and 32-bit VESA modes from 640x480 > to > 1920x1200, and enough BIOS functions to boot a typical Linux desktop. > > At this point, I think it's good enough for a preliminary release, so if > you are interested, you will find all patch files at the following URL: > > https://www.gulbra.net/freebsd-bhyve/ > > My apologies for the 15-year-old web layout, which will probably break > horribly on modern smartphones. Also, I hope I have not duplicated the > work of someone else. I didn't want to announce this before it worked. > > /Henrik > > _______________________________________________ > freebsd-virtualization@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-virtualization > To unsubscribe, send any mail to "freebsd-virtualization-unsubscribe@freebsd.org"
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