Label state, not directive state, for Thumb symbols →
An Arm assembler bug caused by reading ISA state at a late .type directive.
Notes
Debugging records, experiments, and maps for finding my way back.
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Booting NuttX on RK3588S →
The initial Orange Pi 5 Pro port, from U-Boot handoff to NSH.
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aco-pack-constant shift: a patch that never fired →
A focused case worked. Real shaders never produced the pattern.
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aco_dump: compiling shaders without a GPU →
Running SPIR-V through RADV and ACO using drm-shim, without physical AMD hardware.
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My Mesa build and debug loop →
Small builds, verified driver loading, source search, sanitizers, and bisecting.
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A working map of the Linux graphics stack →
The boundaries between a Vulkan application, Mesa, DRM, and GPU machine code.