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Diffstat (limited to 'ocaml/ACCOMPLISHMENTS.md')
| -rw-r--r-- | ocaml/ACCOMPLISHMENTS.md | 81 |
1 files changed, 73 insertions, 8 deletions
diff --git a/ocaml/ACCOMPLISHMENTS.md b/ocaml/ACCOMPLISHMENTS.md index 31300d8..6a4a39c 100644 --- a/ocaml/ACCOMPLISHMENTS.md +++ b/ocaml/ACCOMPLISHMENTS.md @@ -364,13 +364,70 @@ dune exec test/test_http.exe --- -## 12. Remaining Work +## 12. Boot System - BREAKTHROUGH! 🎉 + +### Status: Fully Understood + +After adding debug logging to C Vere and running it with `-B solid.pill`, we discovered the complete boot sequence! + +#### Two-Stage Boot Process + +**Stage 1 - Ivory Pill Bootstrap:** +``` +DEBUG u3v_life: called with eve +DEBUG u3v_life: eve is null <-- Empty list (atom 0)! +DEBUG u3v_life: nock succeeded, extracting slot 7... +lite: core 641296f +``` + +- Vere first boots embedded ivory pill +- Calls `u3v_life()` with `eve = null` (atom 0) +- Produces initial minimal Arvo kernel +- Lifecycle formula `[2 [0 3] [0 2]]` works on null! + +**Stage 2 - Solid Pill Event Processing:** +``` +boot: parsing %solid pill +boot: 1-10 +DEBUG u3v_boot: called with 10 events +DEBUG u3v_life: called with eve +``` + +- Parses solid pill: `[%pill %solid [bot mod use]]` +- Extracts bot (lifecycle), mod (vanes), use (apps) +- Writes to disk, reads back as event list +- Calls `u3v_boot(events)` → `u3v_life(events)` +- Processes ALL events at once via functional BIOS + +#### What We Got Wrong + +- ❌ Thought Event 1 was pre-built kernel to use directly +- ❌ Thought we should poke events individually +- ❌ Thought solid pills skip functional BIOS +- ❌ Thought u3v_life() only applies to ivory pills + +#### Reality + +- ✅ ALL events processed at once via functional BIOS +- ✅ Ivory pill booted FIRST, then solid pill events +- ✅ Formula `[2 [0 3] [0 2]]` used twice (ivory + solid) +- ✅ u3v_life() is the core boot function for BOTH pill types + +#### Implementation Status + +- ✅ Updated `lib/boot.ml` with correct two-stage boot +- ✅ Documented full boot sequence in BOOT_PROCESS.md +- ⚠️ Need known-good solid pill (current one corrupted) + +--- + +## 13. Remaining Work ### High Priority -1. **Fix Arvo poke calling convention** - - Gate exists at slot 23 - - Formula or event format needs adjustment - - Research C Vere's `u3v_poke` implementation + +1. **Get known-good pill from urbit.org** + - Our solid.pill is corrupted (C Vere also fails) + - Download official pill and test boot 2. **Jet system** - Implement jet dashboard @@ -395,7 +452,7 @@ dune exec test/test_http.exe --- -## 13. Key Insights Learned +## 14. Key Insights Learned ### OCaml Strengths 1. **Fast allocation**: Generational GC beats malloc for short-lived objects @@ -412,8 +469,16 @@ dune exec test/test_http.exe ### Urbit Specifics 1. **Pills are deep**: Max depth 732 breaks naive recursion 2. **Backrefs are critical**: 2.3M backrefs in solid pill -3. **Boot is complex**: 5 events build up Arvo incrementally -4. **Ivory vs Solid**: Different use cases, different structures +3. **Boot is two-stage**: Ivory first, then solid pill events +4. **Ivory vs Solid**: Different use cases, same functional BIOS formula +5. **u3v_life() is universal**: Works on both null and event lists + +### Debugging Strategies That Worked +1. **Add logging to C Vere**: Running C with debug logs revealed the actual boot flow +2. **Test hypothesis immediately**: Each theory tested with a focused program +3. **Read the actual source**: mars.c and vortex.c told the truth +4. **Follow the data**: Tracing noun structures through the system +5. **When stuck, run the reference**: C Vere showed us what we got wrong --- |