Date: Fri, 19 Jul 2019 17:41:03 +0200 From: Henrik Gulbrandsen <henrik@gulbra.net> To: FreeBSD Virtualization <freebsd-virtualization@freebsd.org> Subject: Re: New video BIOS for bhyve Message-ID: <0fdcfd552f08bb1b135a45a79a6e91b4@www.gulbra.net> In-Reply-To: <d7dd8790-6e3b-467a-626b-031adc3ad435@shrew.net> References: <ea5e9e82398c7cece09ebdd6f3551d31@www.gulbra.net> <d7dd8790-6e3b-467a-626b-031adc3ad435@shrew.net>
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On 2019-07-19 16:43, Matthew Grooms wrote: >> 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. > > I wonder if this could be related to your CPU not supporting > unrestricted guest mode? I know it's required for some bhyve > functionality. No, the int10 module runs the BIOS code on a software CPU. Protected mode is simply not implemented. > Are you maintaining your changes in a public repo somewhere? Not at the moment. Without distributed version control, I figured the version history would be lost anyway, so I simply took daily snapshots of the main BIOS file. The remaining changes are mostly small things. /Henrik
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