Change yosys.js from ccall to callMain, fixes #6

src/workers/common/constants.ts

@@ -5,6 +5,10 @@ export const INDEX_WORKER_LOCK = 1;
 export const INDEX_WORKER_NOTIFY = 2;
 export const INDEX_DATA = 3;
 
-export const SHARED_BUFFER_LENGTH = INDEX_DATA * 4 + BLOCK_SIZE;
+// Shared buffer consists of three int32 lock fields and the data field.
+// The data field consists of a uint8 status code and the data itself.
+// The largest data transfered is the buffer for the read operation, which has a maxiumum length equal to the block size.
+// The shared buffer is used by both uint8 and int32 typed arrays, so the length has to be a multiple of 4 (for int32).
+export const SHARED_BUFFER_LENGTH = (INDEX_DATA + 1) * 4 + BLOCK_SIZE;
 
 export type Operation = 'readdir'| 'rmdir' | 'unlink' | 'stat' | 'read' | 'write';

src/workers/yosys.ts

@@ -22,12 +22,6 @@ export class WorkerYosys extends WorkerTool<Yosys> {
 
     async execute(file: StorageFile<unknown, unknown>): Promise<ToolResult[]> {
         const path = `/storages/${file.getFullPath()}`;
-        // const extension = file.getExtension();
-        // const content = await file.readText();
-
-        // this.tool.getFS().writeFile(`design.${extension}`, content);
-
-        console.debug('YOSYS', path);
 
         this.tool.getFS().writeFile(`design.ys`, `
             design -reset;
@@ -39,8 +33,8 @@ export class WorkerYosys extends WorkerTool<Yosys> {
             synth_ice40 -json luts.json;
         `);
 
-        // @ts-expect-error: ccall does not exist on type
-        this.tool.getModule().ccall('run', '', ['string'], ['script design.ys']);
+        // @ts-expect-error callMain does not exist on type
+        this.tool.getModule().callMain(['-T', 'design.ys']);
 
         // TODO: consider writing back to FS here instead of in main thread