open-iov.git/tools/debug/pdb_scan

open-iov.git/tools/debug/pdb_scan_gmmu.c, branch master Open-IOV vGPU-IO: host-side GSP emulation for unmodified NVIDIA guest drivers https://git.vgpu.io/open-iov.git/atom?h=master 2026-11-12T05:18:58+00:00 tools/debug: add read-only GMMU/pdb scanners for live guest RAM 2026-11-12T05:18:58+00:00 Arthur Hanson Rasmusson arthur@vgpu.io 2026-11-12T05:18:58+00:00 urn:sha1:fc01d736909bfaa411643eddbe1593a78c83371a pdb_scan_gmmu walks the GP10X/VER2 GMMU page-table format (PD3/PD2/PD1/ PD0/PT, 16-byte dual PD0 entries, sys/vidmem apertures) and pdb_scan is the x86-64 index cross-check. Both map the QEMU pc.ram file correctly for the 2 GiB low + high-RAM q35 layout and are strictly read-only. Used to prove the ring page/VA and pdb chains in CONT.435/436.