visoreXtensible Versatile hypervISOR

Xvisor v0.3.2 Date: Sun, 1 Jan 2023 18:39:42 +0530  |  Posted by: Anup Patel

In this release, we have new features, improvements, and drivers which mainly target RISC-V and x86 ports.

New Features:

• Added vmm_host_irqdomain_xlate_twocells() API
• Added vmm_smp_map_cpuid() API
• Improved defterm polling in vmm_scanchars()
• Added alloc() and free() in vmm_host_irqdomain operations
• Allow irqchip drivers to mark chained interrupts
• Added custom action APIs in device resource management
• Added vmm_scheduler_irq_regs() API
• Added endianness helper macros for long data type

New Commands:

• Added "host poke" sub-command for "host" command
• Added "memory iodump8" sub-command for "memory" command
• Added "memory iodump16" sub-command for "memory" command
• Added "memory iodump32" sub-command for "memory" command

New Drivers:

• Added AIA support in the RISC-V INTC driver
• Added RISC-V Advanced PLIC (APLIC) driver
• Added RISC-V incoming MSI controller (IMSIC) driver
• Added Sstc support in the RISC-V timer driver

New Emulators:

• No change

New Boards:

• No change

All Ports:

• Generic arch mechanism to get guest page table mapping
• Generic arch attributes and hardware tag for each page table

ARM Ports:

• No change

ARM32ve Port:

• No change

ARM64 Port:

• No change

RISC-V Port:

• Linux style RISC-V flat image header
• Nested virtualization support
• Sv57 support for Host
• Sv57x4 support for Guest/VM
• Gather and print stats for normal VCPU
• Implement SBI v1.0 for Guest/VM
• Sstc nested virtualization support

x86 Port:

• Framebuffer support for early prints
• Direct ljmp instruction decoding
• Emulate PAM registers for Guest/VM
• Sub-system level logging facility