Add failed try

os/src/kernel/drivers/dev/pci.kdriver.ts

@@ -1,6 +1,10 @@
 import { Logger } from "../../../libs/logger";
+import { Path } from "../../../libs/path";
+import { sysfs, sysfs_mkdir, sysfs_writeFile } from "../../filesystem/sysfs";
 
-export function kdriver_dev_pci_init() {}
+export function kdriver_dev_pci_init() {
+  sysfs_mkdir("/pci");
+}
 
 export function kdriver_dev_pci_detectDevices() {
   Logger.log("[PCI] Scanning...");
@@ -51,6 +55,15 @@ export function kdriver_dev_pci_checkDevice(
       subclass.toString(16) +
       ")"
   );
+
+  const dirname = Path.join("/pci", filename);
+
+  sysfs_mkdir(dirname);
+  sysfs_writeFile(Path.join(dirname, "vendor"), "Intel");
+  /*sysfs_writeFile(Path.join(dirname, "vendor"), vendorId.toString(16));
+  sysfs_writeFile(Path.join(dirname, "device"), deviceId.toString(16));
+  sysfs_writeFile(Path.join(dirname, "class"), classCode.toString(16));
+  sysfs_writeFile(Path.join(dirname, "subclass"), subclass.toString(16));*/
 }
 
 export function kdriver_dev_pci_getDeviceId(

os/src/kernel/filesystem/sysfs.ts

@@ -0,0 +1,106 @@
+import { Logger } from "../../libs/logger";
+import { Path } from "../../libs/path";
+import {
+  FilesystemType,
+  type Filesystem,
+  type FilesystemEntity,
+} from "../../types/kernel/filesystem";
+
+const sysfs_data: FilesystemEntity[] = [];
+
+export function sysfs(): Filesystem {
+  return {
+    type: FilesystemType.SYSFS,
+    mkdir: sysfs_mkdir,
+    ls: sysfs_ls,
+    writeFile(path, content) {
+      throw new Error("Cannot write to sysfs");
+    },
+  };
+}
+
+export function sysfs_root(): FilesystemEntity {
+  /*return {
+    name: "$root",
+    path: "/",
+    size: 0,
+    isDirectory: true,
+    contents: null,
+  };*/
+}
+
+export function sysfs_get(path: string): FilesystemEntity | null {
+  if (path == "" || path == "/") return sysfs_root();
+
+  for (let i = 0; i < sysfs_data.length; i++) {
+    Logger.log(sysfs_data[i]);
+
+    if (sysfs_data[i]!.path === path) {
+      return sysfs_data[i]!;
+    }
+  }
+
+  return null;
+}
+
+export function sysfs_mkdir(path: string) {
+  if (sysfs_get(path)) return;
+
+  const parent = sysfs_get(Path.dirname(path));
+  if (!parent || !parent.isDirectory) return;
+
+  Logger.log(path);
+
+  /*sysfs_data.push({
+    name: Path.filename(path),
+    path: path,
+    size: 0,
+    isDirectory: true,
+    contents: 0,
+  });*/
+}
+
+export function sysfs_ls(path: string): FilesystemEntity[] | null {
+  /*const entity = sysfs_get(path);
+  if (!entity || !entity.isDirectory) return null;
+
+  const result: FilesystemEntity[] = [];
+  const prefix = path + "/";
+
+  for (let i = 0; i < globalThis.sysfs_data.length; i++) {
+    const itemPath = globalThis.sysfs_data[i]!.path;
+
+    // Only include direct children (no additional slashes after the prefix)
+    if (
+      itemPath.startsWith(prefix) &&
+      !itemPath.substring(prefix.length).includes("/")
+    ) {
+      result.push(globalThis.sysfs_data[i]!);
+    }
+  }
+
+  return result;*/
+}
+
+export function sysfs_createFile(path: string, content: string) {
+  if (sysfs_get(path)) return;
+
+  /*const parent = sysfs_getParent(path);
+  if (!parent || !parent.isDirectory) return;
+
+  globalThis.sysfs_data.push({
+    name: Path.filename(path),
+    path: path,
+    size: content.length,
+    isDirectory: false,
+    contents: content,
+  });*/
+}
+
+export function sysfs_writeFile(path: string, content: string) {
+  const entity = sysfs_get(path);
+  /*if (!entity) return sysfs_createFile(path, content);
+  if (entity.isDirectory) return;
+
+  entity.contents = content;*/
+}

os/src/kernel/index.ts

@@ -1,5 +1,6 @@
 import { Logger } from "../libs/logger";
 import { kdriver_dev_pci_detectDevices } from "./drivers/dev/pci.kdriver";
+import { sysfs_ls } from "./filesystem/sysfs";
 import {
   kmod_console_clearScreen,
   kmod_console_outputString,
@@ -15,5 +16,11 @@ export function kmain() {
 
   kdriver_dev_pci_detectDevices();
 
+  /*const files = sysfs_ls("/");
+
+  files!.forEach(function (file) {
+    Logger.log(file.name);
+  });*/
+
   return 0;
 }

os/src/libs/path.ts

@@ -0,0 +1,12 @@
+export const Path = {
+  join(p1: string, p2: string): string {
+    if (p1.endsWith("/")) return p1 + p2;
+    else return p1 + "/" + p2;
+  },
+  filename(path: string): string {
+    return path.split("/").pop()!;
+  },
+  dirname(path: string): string {
+    return path.split("/").slice(0, -1).join("/");
+  },
+};

os/src/types/kernel/filesystem.ts

@@ -0,0 +1,18 @@
+export enum FilesystemType {
+  SYSFS,
+}
+
+export interface Filesystem {
+  type: FilesystemType;
+  mkdir(path: string): void;
+  ls(path: string): FilesystemEntity[] | null;
+  writeFile(path: string, content: string): void;
+}
+
+export type FilesystemEntity = {
+  name: string;
+  path: string;
+  size: number;
+  isDirectory: boolean;
+  contents: string | number | number[] | null;
+};