benchmark: AI-Ghidra landscape + case-4 harness (synthetic PHY)

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- benchmark/ai_ghidra/SETUP.md documents the GhidrAssist 1.5.0 install
  at /opt/ghidra/Ghidra/Extensions/GhidrAssist/ on oppenheimer (CT131),
  with dirac endpoints (Hermes-2-Pro 8B @ :8080, Qwen-coder 1.5B @ :8081)
  already reachable + tested. Final enable+config is UI-only; two
  clicks on next Ghidra launch.
- gdb_debug/harness.c extended with case 4 = train_phy_block running
  under a synthetic PHY at 0x40000000. Static MMIO shim satisfies
  polls 1-3; poll 4 needs dynamic state-machine (next session, via
  SIGBUS handler or ptrace) — documented in the README.

Vendor tree investigation: Rockchip's own sdram_rk3588.c / sdram_rk3568.c
are STUBS (return -1). No free function names from there. Path forward:
mine the vendor kernel's rockchip_dmc.c (devfreq DDR scaling driver)
for register-offset naming hints at runtime-call level.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

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This commit is contained in:

Markus Fritsche

2026-04-15 08:03:43 +02:00

parent 00d655187a

commit 06d3d0d726

5 changed files with 154 additions and 7 deletions

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benchmark/gdb_debug/gdb_debug.elf

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