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subhobhai943andClaude Opus 4.8
ea937a699c
Kernel (NT I/O subsystem): - kernel/nt/io.c + include/kernel/nt/io.h (new): DRIVER_OBJECTs with a MajorFunction dispatch table, DEVICE_OBJECTs that can be stacked (attached), and IRPs pushed down the stack via io_call_driver / completed with io_complete_request. Ships three demo drivers: \Driver\Null (write sink, EOF reads), \Driver\Zero (zero-filled reads), and \Driver\Monitor -- a filter attached above \Device\Null that counts and forwards each IRP down the stack. Wired into the [12/14] boot step. - LazyBox `iodev` lists drivers/devices with the stack and IRP counters, then runs a live demo: a WRITE IRP through the filtered Null stack and a READ from the Zero device. GUI: - gui/gui_apps.c: "Registry Editor" -- navigate the NT \Registry hive tree, click subkeys to descend and ".." to go up, with a values pane showing each value's name/type/data. Registered in the app table (start menu). Verified live in the GUI terminal (screenshotted): 3 drivers / 3 devices, the NullMonitor->Null device stack, a 16-byte WRITE sunk through the filter (status 0x0), and an 8-byte zeroed READ from \Device\Zero. Clean build on x86_64/aarch64/armv8i; 0 panics / 0 OOM. Co-Authored-By: Claude Opus 4.8 <[email protected]> Claude-Session: https://claude.ai/code/session_01Fh5z6V7nGPbHvqVG5p4CXX