0hmX/am3352

scripts/generate-ddr-memory-board-profiles.ts

/** Freeze explicit physical caches and current external package identity, without importing its adapter. */
import{readFileSync,writeFileSync,copyFileSync,mkdirSync}from'node:fs'
import{resolve}from'node:path'
import{createHash}from'node:crypto'
import{auditRouteAngles}from'./check-route-angles'
import{compareDdrMemoryCachePathToBoard}from'./ddr-memory-cache-board-comparison'
const external=resolve(process.argv[2]??'/Users/ankan/Documents/Codex/2026-09-10/what-x20/outputs/mt41k512m8da-107-it-p-fanout'),accepted=resolve(process.argv[3]??'dist/ddr-nineteen-current-e3-web-repaired'),out=resolve('src/generated'),hashes:Record<string,string>={},hash=(s:string)=>createHash('sha256').update(s).digest('hex'),objectHash=(o:any)=>hash(JSON.stringify(o)),read=(p:string)=>{const s=readFileSync(p,'utf8');hashes[p]=hash(s);return s},json=(p:string)=>JSON.parse(read(p))
const pins=json(`${external}/src/pin-map.json`),footprint=read(`${external}/imports/MicronJlcFootprint.tsx`),api=read(`${external}/src/index.tsx`),pinApi=read(`${external}/src/pin-map.ts`),references=read(`${external}/src/ReferencePlanes.tsx`),hostApi=read(`${external}/src/am3352-host.ts`),report=json(`${accepted}/report.json`),candidate=json(`${accepted}/candidate.circuit.json`)
if(!report.accepted||report.candidateCircuitSha256!==objectHash(candidate)||pins.length!==78||pins.filter((p:any)=>p.routed).length!==72)throw Error('Source/accepted artifact mismatch')
const pads=[...footprint.matchAll(/<smtpad portHints=\{\["pin(\d+)"\]\} pcbX="([\d.\-]+)mm" pcbY="([\d.\-]+)mm" radius="([\d.]+)mm" shape="circle" \/>/g)].map(m=>({pin:Number(m[1]),x:Number(m[2]),y:Number(m[3]),radius:Number(m[4])}))
if(pads.length!==78||pins.some((p:any)=>!pads.some(q=>q.pin===p.pin&&q.x===p.x&&q.y===p.y&&q.radius===p.radius)))throw Error('Current footprint copper does not exactly match pin mapping')
const profiles=Object.fromEntries([0,1].map(byte=>{const paths=json(`${accepted}/ram-byte${byte}-facing-progress.trace-paths.json`),contract=json(`${accepted}/${byte?'ram-byte1-exit-contract':'exit-contract'}.json`),pathsHash=objectHash(paths),placement={x:-12,y:byte?6.5:-6.5,rotation:180};if(paths.length!==72||pins.filter((p:any)=>p.routed).some((pin:any)=>paths.filter((p:any)=>p.connection===`U1.ball_${pin.ball}`).length!==1)||!auditRouteAngles(paths).valid)throw Error('Invalid complete physical cache')
 const overrides=paths.flatMap((path:any)=>{const pin=pins.find((p:any)=>path.connection===`U1.ball_${p.ball}`);if(!pin)throw Error('Unknown cached ball');return compareDdrMemoryCachePathToBoard(path,pin,byte,placement,candidate)})
 return[`current_e3_byte${byte}`,{byte,layerSpace:'physical',layerCount:10,coordinateFrame:'package-center',paths,pathsSha256:pathsHash,placement,exitContract:contract,additionalBoardCopperOverrides:overrides}]
}))
const binding={schemaVersion:1,part:'MT41K512M8DA-107 IT:P',supplierPartNumbers:{jlcpcb:['C2888412']},externalSourceDirectory:external,acceptedArtifactDirectory:accepted,candidateCircuitSha256:objectHash(candidate),sourceFileHashes:hashes,profiles,scope:'Explicit board-profile escape override only. Current footprint/pin identity frozen; no external host adaptation or local reference pours. Full board still requires recorded power replacements, host routes, support components and global planes.'}
for(const[p,h]of Object.entries(hashes))if(hash(readFileSync(p,'utf8'))!==h)throw Error('Source changed during binding')
mkdirSync(out,{recursive:true});copyFileSync(`${external}/imports/MicronJlcFootprint.tsx`,`${out}/ddr-board-micron-footprint.tsx`);writeFileSync(`${out}/ddr-board-pin-map.json`,JSON.stringify(pins,null,2)+'\n');writeFileSync(`${out}/ddr-memory-board-profiles.json`,JSON.stringify(binding,null,2)+'\n');console.log(JSON.stringify(Object.fromEntries(Object.entries(profiles).map(([k,v]:any)=>[k,{paths:v.paths.length,boardOverrides:v.additionalBoardCopperOverrides.length,hash:v.pathsSha256}]))))