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UID:pretalx-osfc-2026-Z7PTYB@talks.osfc.io
DTSTART;TZID=CET:20260916T141500
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DESCRIPTION:This talk introduces HypervisorPayload — a Slim Bootloader pa
 yload that bundles and launches an open-source hypervisor (currently ACRN)
  as a single signed firmware artifact. Internally it has two parts: HvLoad
 er\, a small launcher that runs first\, and the hypervisor binary it carri
 es. The bootloader verifies HypervisorPayload once and forwards the platfo
 rm VM configuration to it\, eliminating the need for a separate hypervisor
  verification step.\n\nAt runtime\, HvLoader retrieves the SBL VM configur
 ation (CPU\, memory\, MMIO\, IRQ\, PCI passthrough) and passes it through 
 to the hypervisor\, loads guest kernels from boot media\, builds a multibo
 ot2 module table\, and performs a one-shot register handoff to the hypervi
 sor before leaving the control path. Statically pre-launched guests then b
 oot natively on their dedicated vCPUs and passthrough devices — with no 
 Service VM\, no post-launched VMs\, and no runtime control channel — all
 owing heterogeneous OS combinations (for example\, Zephyr alongside Linux\
 , Trusty alongside Android\, or any mix of RTOS\, general-purpose\, and tr
 usted guests) to run side by side on a single SoC with strong isolation an
 d deterministic boot.\n\nFrom the OS side\, HypervisorPayload simply looks
  like the hypervisor that BIOS provides.
DTSTAMP:20260720T183927Z
LOCATION:Main
SUMMARY:Shipping the Hypervisor in Firmware: A Static-Partitioning Payload 
 for Slim Bootloader - Guo Dong\, Ravi Rangarajan
URL:https://talks.osfc.io/osfc-2026/talk/Z7PTYB/
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