visoreXtensible Versatile hypervISOR

Xvisor v0.2.4 Date: Sun, 23 Feb 2014 12:17:48 +0530  |  Posted by: Anup Patel

In this release, we add lot of new features, drivers, and emulators. There are no new board supports in this release.

New Features:

• Generic pluggable loadbalancer (EXPERIMENTAL)
• Device tree NodeID table APIs
• Device tree based probing of clocksource
• Device tree based probing of clockchip
• Device tree based probing of host interrupt controller
• Virtual input framework for keyboard/mouse emulation
• Virtual display framework for framebuffer emulation
• BootCPU APIs for SMP host
• Generic and unix-like device driver model
• Virtual screen capturing library

New Commands:

• vinput command
• vdisplay command
• vfs host_load, host_load_list, guest_load, and guest_load_list sub-commands
• vscreen command

New Drivers:

• Common device tree based clocking framework
• Clocking driver for Realview, Integrator, and VExpress
• Clocking driver for BCM2835 SOC
• Clocking driver for SunXi SOCs
• Multifunction driver for VExpress sysregs
• IDE/ATA disk drive framework (EXPERIMENTAL)
• PIIX3 IDE driver
• Linux compatible PHY, MDIO, and MII driver framework (EXPERIMENTAL)

New Emulators:

• NS16550 compliant UART emulator
• PS2 keyboard/mouse emulation library
• PL050 AMBA KMI emulator
• PL110/PL111 AMBA CLCD emulator

ARM Ports:

• Common defterm for all ARM boards
• Common SMP IPI for all ARM boards
• Common SMP Operations for all ARM boards
• Load guest images from disk for pre-configured guest on all ARM boards
• Improve arch_smp_id() to handle multiple affinity levels

ARM 32-bit Port:

• Added VFP save/restore for ARMv5, ARMv6, and ARMv7
• Added ThumbEE save/restore for ARMv7

ARM 32-bit with VE Port:

• Added VFP save/restore for ARMv7 with virtualization extension
• Added ThumbEE save/restore for ARMv7 with virtualization extension

ARM 64-bit Port:

• Added VFP save/restore for ARMv8

x86_64 Port:

• Major fix in host page tables where vga base was overlapping with Xvisor code
• Support for AMD SVM
• Framework for Intel VT added
• Support for booting guest in paged real mode
• Xvisor specific Seabios port on GITHUB (see docs) for testing purposes
• Support for paged real mode shadow page tables
• Support for 32-bit shadow page tables
• Support for guest I/O port intercepts
• Able to get prints from SeaBIOS running inside x86_64 guest