FreeBSD bhyve UEFI support improved

MFC: r316746 Add UEFI support to vmrun.sh

-E: Use UEFI mode
-f: path to UEFI firmware image (default: path to uefi-edk2-bhyve package)
-F: UEFI framebuffer size (default: w=1024,h=768)
-L: IP to listen for VNC connections on (default:
-P: Port to listen for VNC connections on (default: 5900)
-T: Enable tablnet device (for VNC)
-v: Wait for VNC client before booting VM




FreeBSD UEFI boot loader updates

FreeBSD 11.0-stable just cane out, with 2 changes to the UEFI boot loader:

* The UEFI boot loader has been updated for build reproducibility. [r305845] (Sponsored by The FreeBSD Foundation)

* The EFI loader has been updated to support TFTPFS, providing netboot support without requiring an NFS server. [r307632] (Sponsored by Gandi.net)




dual-booting FreeBSD or Windows

Kevin Bowling has an article that shows how to setup a UEFI system to work with FreeBSD — including ZFS on root — and another UEFI OS like Windows.



I’m not sure if this article is an improved version of or just a rebroadcast of:




FreeBSD 11.0 RC released

The first release candidate of FreeBSD 11.0-STABLE is out. Below, excerpted from their release notes, is an excerpt of some of the changes:

Initial support for the ARM AArch64 architecture has been added. [r280259] (Sponsored by The FreeBSD Foundation)

Initial ACPI support has been added for FreeBSD/aarch64. [r284273] (Sponsored by The FreeBSD Foundation)

The uefisign(8) utility has been added. [r279315] (Sponsored by The FreeBSD Foundation)

Support for bzipfs has been added to the EFI loader. [r279950]

The mkimg(1) utility has been updated to support the MBR EFI partition type. [r276893] (Sponsored by The FreeBSD Foundation)

The gpart(8) utility has been updated to include a new attribute for GPT partitions, lenovofix, which when set, which works around BIOS compatibility issues reported on several Lenovo ™ laptops. [r285594] (Sponsored by ScaleEngine, Inc.)

[arm] The arm boot loader, ubldr, is now relocatable. In addition, ubldr.bin is now created during build time, which is a stripped binary with an entry point of 0, providing the ability to specify the load address by running go ${loadaddr} in u-boot. [r282731]

Support for the “Virtual Interrupt Delivery” feature of Intel® VT-x is enabled if supported by the CPU. This feature can be disabled by running sysctl hw.vmm.vmx.use_apic_vid=0. Additionally, to persist this setting across reboots, add hw.vmm.vmx.use_apic_vid=0 to /etc/sysctl.conf. [r260410]

Support for “Posted Interrupt Processing” is enabled if supported by the CPU. This feature can be disabled by running sysctl hw.vmm.vmx.use_apic_pir=0. Additionally, to persist this setting across reboots, add hw.vmm.vmx.use_apic_pir=0 to /etc/sysctl.conf. [r260532]

Support for running a FreeBSD/amd64 Xen guest instance as PVH guest has been added. PVH mode, short for “Para-Virtualized Hardware”, uses para-virtualized drivers for boot and I/O, and uses hardware virtualization extensions for all other tasks, without the need for emulation. [r267536] (Sponsored by Citrix Systems R&D)

The bhyve(8) hypervisor has been updated to support AMD® processors with SVM and AMD-V hardware extensions. [r273375]

The Hyper-V™ drivers have been updated with several enhancements: [r282212] (Sponsored by Microsoft Open Source Technology Center)

A new device control utility, devctl(8) has been added, which allows making administrative changes to individual devices, such as attaching and detaching drivers, and enabling and disabling devices. The devctl(8) utility uses the new devctl(3) library. [r278320]

The pciconf(8) utility has been updated to use the PCI ID database from the misc/pciids package, if present, falling back to the PCI ID database in the FreeBSD base system. [r287522]

The acpi(4) subsystem has been updated to version 20150818. [r287168]

ACPICA has been updated to version 20160527. [r300879]

Firmware for Intel® Centrino™ Wireless-N 105 devices has been added to the base system. [r260552]

The stack protector has been upgraded to the “strong” level, elevating the protection against buffer overflows. While this significantly improves the security of the system, extensive testing was done to ensure there are no measurable side effects in performance or functionality. [r288669]

An issue that could cause a system to hang when entering ACPI S3 state (suspend to RAM) has been corrected in the acpi(4) and pci(4) drivers. [r274386]

Full relnotes:


FreeBSD UEFI status update

FreeBSD’s quarterly status update is out.

There’s two entries on UEFI, excerpted below:

EFI Refactoring and GELI Support: The EFI bootloader has undergone considerable refactoring to make more use of the EFI API. The filesystem code in boot1 has been eliminated, and a single codebase for filesystems now serves both boot1 and loader. This codebase is organized around the EFI driver model and it should be possible to export any filesystem implementation as a standalone EFI driver without too much effort. Both boot1 and loader have been refactored to utilize the EFI_SIMPLE_FILE_SYSTEM interface. In the loader, this is accomplished with a dummy filesystem driver that is just a translation layer between the loader filesystem interface and EFI_SIMPLE_FILE_SYSTEM. A reverse translation layer allows the existing filesystem drivers to function as EFI drivers. The EFI refactoring by itself exists in a branch on github. Additionally, GELI support has been added using the EFI refactoring. This allows booting from a GELI-encrypted filesystem. Note that the EFI system partition, which contains boot1, must be a plaintext msdosfs partition. This patch adds an intake buffer to the crypto framework, which allows injection of keys directly into a loaded kernel, without the need to pass them through arguments or environment variables. This patch only uses the intake buffer for EFI GELI support, as legacy BIOS GELI support still uses environment variables. EFI GELI support depends on the efize branch. These patches have been tested and used and should be able to handle use by early adopters. Note that the LOADER_PATH variable has been changed to /boot/loader.tst, to facilitate safe testing.

loader.efi has been updated to use an event timer to implement its internal time function. This is needed, as many UEFI implementations do not handle the GetTime runtime service method. This means that loader.efi will now correctly count down before automatically booting.