From 4bf79e358a396d4cffb3f804791942598aa7ef57 Mon Sep 17 00:00:00 2001
From: Martin Petr <martinpetrnp@gmail.com>
Date: Sat, 22 Nov 2025 23:43:42 +0100
Subject: [PATCH] Add shell and echo app

---
 src/os/src/config/keyboard.ts     |  4 ++++
 src/os/src/oskrnl/app/launcher.ts |  8 ++++++++
 src/os/src/oskrnl/index.ts        |  3 +++
 test-hdd/apps/echo/index.js       |  1 +
 test-hdd/apps/echo/meta.lam       |  5 +++++
 test-hdd/apps/tysh/index.js       | 23 +++++++++++++++++++++++
 test-hdd/apps/tysh/meta.lam       |  5 +++++
 test-hdd/hello.txt                |  1 -
 test-hdd/myapp.js                 |  1 -
 test-hdd/ushellc                  |  1 +
 10 files changed, 50 insertions(+), 2 deletions(-)
 create mode 100644 src/os/src/oskrnl/app/launcher.ts
 create mode 100644 test-hdd/apps/echo/index.js
 create mode 100644 test-hdd/apps/echo/meta.lam
 create mode 100644 test-hdd/apps/tysh/index.js
 create mode 100644 test-hdd/apps/tysh/meta.lam
 delete mode 100644 test-hdd/hello.txt
 delete mode 100644 test-hdd/myapp.js
 create mode 100644 test-hdd/ushellc

diff --git a/src/os/src/config/keyboard.ts b/src/os/src/config/keyboard.ts
index 0db6001..f5d94cd 100644
--- a/src/os/src/config/keyboard.ts
+++ b/src/os/src/config/keyboard.ts
@@ -1,5 +1,6 @@
 export const Keycode = {
   Enter: 28,
+  Backspace: 14,
   Q: 16,
   W: 17,
   E: 18,
@@ -28,10 +29,12 @@ export const Keycode = {
   M: 50,
   ".": 52,
   "/": 53,
+  " ": 57,
 };
 
 export const RKeycode = {
   28: "Enter",
+  14: "Backspace",
   16: "Q",
   17: "W",
   18: "E",
@@ -60,4 +63,5 @@ export const RKeycode = {
   50: "M",
   52: ".",
   53: "/",
+  57: " ",
 };
diff --git a/src/os/src/oskrnl/app/launcher.ts b/src/os/src/oskrnl/app/launcher.ts
new file mode 100644
index 0000000..ef5769d
--- /dev/null
+++ b/src/os/src/oskrnl/app/launcher.ts
@@ -0,0 +1,8 @@
+import { kmod_app_run } from "../../kernel/modules/app/app.kmod";
+
+export function oskrnl_app_launcher_run(path: string, args: string) {
+  if ((globalThis as any).__oskrnl) {
+    (globalThis as any).__oskrnl.app_args = args;
+  }
+  kmod_app_run(path);
+}
diff --git a/src/os/src/oskrnl/index.ts b/src/os/src/oskrnl/index.ts
index 0542e69..3cd74bd 100644
--- a/src/os/src/oskrnl/index.ts
+++ b/src/os/src/oskrnl/index.ts
@@ -1,10 +1,13 @@
+import { oskrnl_app_launcher_run } from "./app/launcher";
 import { oskrnl_console_log, oskrnl_console_update } from "./console/console";
 import { oskrnl_input_onKeyPress } from "./input/input";
 
 export function oskrnl_register() {
   (globalThis as any).__oskrnl = {
+    app_args: "why",
     console_log: oskrnl_console_log,
     console_update: oskrnl_console_update,
     input_onKeyPress: oskrnl_input_onKeyPress,
+    app_launcher_run: oskrnl_app_launcher_run,
   };
 }
diff --git a/test-hdd/apps/echo/index.js b/test-hdd/apps/echo/index.js
new file mode 100644
index 0000000..ba7f8b1
--- /dev/null
+++ b/test-hdd/apps/echo/index.js
@@ -0,0 +1 @@
+__oskrnl.console_log(__oskrnl.app_args);
diff --git a/test-hdd/apps/echo/meta.lam b/test-hdd/apps/echo/meta.lam
new file mode 100644
index 0000000..f06b5f2
--- /dev/null
+++ b/test-hdd/apps/echo/meta.lam
@@ -0,0 +1,5 @@
+{
+  "app:name": "echo",
+  "app:version": "1.0.0",
+  "app:entrypoint": "index.js"
+}
diff --git a/test-hdd/apps/tysh/index.js b/test-hdd/apps/tysh/index.js
new file mode 100644
index 0000000..6a6d8ff
--- /dev/null
+++ b/test-hdd/apps/tysh/index.js
@@ -0,0 +1,23 @@
+__oskrnl.console_log("> ");
+
+var input = "";
+var inputActive = true;
+
+__oskrnl.input_onKeyPress(function (key) {
+  if (!inputActive) return;
+
+  if (key == "Backspace") input = input.slice(0, -1);
+  else if (key == "Enter") {
+    inputActive = false;
+    process();
+    return;
+  } else input += key.toLowerCase();
+
+  __oskrnl.console_update("> " + input);
+});
+
+function process() {
+  var app = input.split(" ")[0];
+  var args = input.split(" ").slice(1);
+  __oskrnl.app_launcher_run(app, args.join(" "));
+}
diff --git a/test-hdd/apps/tysh/meta.lam b/test-hdd/apps/tysh/meta.lam
new file mode 100644
index 0000000..921d7e8
--- /dev/null
+++ b/test-hdd/apps/tysh/meta.lam
@@ -0,0 +1,5 @@
+{
+  "app:name": "tysh",
+  "app:version": "1.0.0",
+  "app:entrypoint": "index.js"
+}
diff --git a/test-hdd/hello.txt b/test-hdd/hello.txt
deleted file mode 100644
index 5ef648a..0000000
--- a/test-hdd/hello.txt
+++ /dev/null
@@ -1 +0,0 @@
-It works!
\ No newline at end of file
diff --git a/test-hdd/myapp.js b/test-hdd/myapp.js
deleted file mode 100644
index 3ee7f0c..0000000
--- a/test-hdd/myapp.js
+++ /dev/null
@@ -1 +0,0 @@
-console.log("Hello from myApp");
diff --git a/test-hdd/ushellc b/test-hdd/ushellc
new file mode 100644
index 0000000..b8610be
--- /dev/null
+++ b/test-hdd/ushellc
@@ -0,0 +1 @@
+/disk/apps/tysh
\ No newline at end of file