Date: Sat, 30 Mar 2019 13:37:46 -0700 (PDT) From: "Rodney W. Grimes" <freebsd-rwg@gndrsh.dnsmgr.net> To: Rebecca Cran <rebecca@bluestop.org> Cc: "Rodney W. Grimes" <freebsd-rwg@gndrsh.dnsmgr.net>, D Scott Phillips <d.scott.phillips@intel.com>, freebsd-virtualization@freebsd.org Subject: Re: Updating uefi-edk2-bhyve Message-ID: <201903302037.x2UKbk4u006726@gndrsh.dnsmgr.net> In-Reply-To: <08bc0aa2-1516-ba57-ed7f-47d861fd8edc@bluestop.org>
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> On 3/30/19 1:08 AM, Rodney W. Grimes wrote:
> >
> > I do not know what the above is, could you elaborate for me?
> > What is OVMF and what is its relation to bhyve?
>
>
> OVMF is the Open Virtual Machine Firmware: it's open source (BSD
> licensed) firmware for virtual machines. Currently, that means Qemu/KVM.
> It has been ported to run under Bhyve too.
So it is a edk2 implementation, and can you point me at
the bhyve version of it? The Qemu/KVM version is rather
not relavent to this discussion as that would not work due
to core vmm implementation differences.
> > I have to assume this is with ed2k loaded, but I do not
> > know you are showing me the SMBIOS string value or some
> > other bios version value. THere are compliance levels
> > associated with SMBIOS.
>
>
> I guess you mean edk2 (efi development kit 2), not ed2k?
Yes, I have been in Prague for 2 weeks and rather sleep
deprived while attending netdev and IETF/104.
> I'm showing you the SMBIOS values for the BIOS section.
We need to be careful in what one calls the "version"
when doing this.
> Another example: on my desktop system, 'dmidecode' shows:
>
>
> root@photon:/usr/home/bcran # dmidecode -t bios
> # dmidecode 3.2
> # SMBIOS entry point at 0x7949f000
> Found SMBIOS entry point in EFI, reading table from /dev/mem.
> SMBIOS 3.0 present.
^^^^^^^^^^^ This is the critical version, this is the
version of the SMBIOS/dmitables implemented by the bios.
Bhyve should be reporting a SMBios major 2 minor 6 (aka 2.6),
see usr.sbin/bhyve/smbiostbl.c function smbios_ep_initializer.
> Handle 0x0000, DMI type 0, 24 bytes
> BIOS Information
> ??????? Vendor: American Megatrends Inc.
> ??????? Version: 1701
> ??????? Release Date: 01/09/2019
> ??????? Address: 0xF0000
> ??????? Runtime Size: 64 kB
> ??????? ROM Size: 16 MB
> ??????? Characteristics:
> ??????????????? PCI is supported
> ??????????????? APM is supported
> ??????????????? BIOS is upgradeable
> ??????????????? BIOS shadowing is allowed
> ??????????????? Boot from CD is supported
> ??????????????? Selectable boot is supported
> ??????????????? BIOS ROM is socketed
> ??????????????? EDD is supported
> ??????????????? 5.25"/1.2 MB floppy services are supported (int 13h)
> ??????????????? 3.5"/720 kB floppy services are supported (int 13h)
> ??????????????? 3.5"/2.88 MB floppy services are supported (int 13h)
> ??????????????? Print screen service is supported (int 5h)
> ??????????????? 8042 keyboard services are supported (int 9h)
> ??????????????? Serial services are supported (int 14h)
> ??????????????? Printer services are supported (int 17h)
> ??????????????? ACPI is supported
> ??????????????? USB legacy is supported
> ??????????????? BIOS boot specification is supported
> ??????????????? Targeted content distribution is supported
> ??????????????? UEFI is supported
> ??????? BIOS Revision: 5.13
^^^^^^ This is an arbitrary value
that a vendor sets. We presently report 1.0 for the legacy bios
version string, see usr.sbin/bhyyve/smbiostbl.c smbios_type1_strings[]
> --
> Rebecca Cran
--
Rod Grimes rgrimes@freebsd.org
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