Upload data files needed to rebuild the demo

Here goes: - Firmware, kernel, drive image - HTML shell for the web page - Preload JS for passing arguments to the VM - COI serviceworker (See https://github.com/gzuidhof/coi-serviceworker) - Tiny build script to drive the Makefile (For clariry on what's needed)
LekKit · Apr 7, 2023 · adb46ef · adb46ef
1 parent a76f706
commit adb46ef
Show file tree

Hide file tree

Showing 7 changed files with 145 additions and 0 deletions.
diff --git a/build/build.sh b/build/build.sh
@@ -0,0 +1 @@
+make CC=emcc LDFLAGS="--pre-js pre.js --preload-file fw_jump.bin --preload-file linux_6.2 --preload-file rootfs.img --shell-file shell_minimal.html"
diff --git a/build/coi-serviceworker.min.js b/build/coi-serviceworker.min.js
diff --git a/build/fw_jump.bin b/build/fw_jump.bin
diff --git a/build/linux_6.2 b/build/linux_6.2
diff --git a/build/pre.js b/build/pre.js
@@ -0,0 +1 @@
+Module['arguments'] = ['/fw_jump.bin', '-k', '/linux_6.2', '-i', '/rootfs.img', '-m', '64M'];
diff --git a/build/rootfs.img b/build/rootfs.img
diff --git a/build/shell_minimal.html b/build/shell_minimal.html
@@ -0,0 +1,141 @@
+<!doctype html>
+<html lang="en-us">
+  <head>
+    <meta charset="utf-8">
+    <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
+    <title>RVVM Web Demo</title>
+    <style>
+      body {
+        padding: 25px;
+        font-size: 25px;
+        background-color: #101010;
+        color: white;
+      }
+      .emscripten { padding-right: 0; margin-left: auto; margin-right: auto; display: block; }
+      textarea.emscripten { font-family: monospace; width: 80%; background-color: black; color: white; }
+      div.emscripten { text-align: center; }
+      /* the canvas *must not* have any border or padding, or mouse coords will be wrong */
+      canvas.emscripten { border: 0px none; background-color: black; }
+
+      .spinner {
+        height: 50px;
+        width: 50px;
+        margin: 0px auto;
+        -webkit-animation: rotation .8s linear infinite;
+        -moz-animation: rotation .8s linear infinite;
+        -o-animation: rotation .8s linear infinite;
+        animation: rotation 0.8s linear infinite;
+        border-left: 10px solid rgb(16,16,16);
+        border-right: 10px solid rgb(16,16,16);
+        border-bottom: 10px solid rgb(16,16,16);
+        border-top: 10px solid rgb(200,50,50);
+        border-radius: 100%;
+      }
+      @-webkit-keyframes rotation {
+        from {-webkit-transform: rotate(0deg);}
+        to {-webkit-transform: rotate(360deg);}
+      }
+      @-moz-keyframes rotation {
+        from {-moz-transform: rotate(0deg);}
+        to {-moz-transform: rotate(360deg);}
+      }
+      @-o-keyframes rotation {
+        from {-o-transform: rotate(0deg);}
+        to {-o-transform: rotate(360deg);}
+      }
+      @keyframes rotation {
+        from {transform: rotate(0deg);}
+        to {transform: rotate(360deg);}
+      }
+
+    </style>
+  </head>
+  <body>
+    <script src="coi-serviceworker.min.js"></script>
+    <figure style="overflow:visible;" id="spinner"><div class="spinner"></div><center style="margin-top:0.5em"><strong>Loading...</strong></center></figure>
+    <div class="emscripten" id="status">Downloading...</div>
+    <div class="emscripten">
+      <progress value="0" max="100" id="progress" hidden=1></progress>  
+    </div>
+    <div>
+      <canvas class="emscripten" id="canvas" oncontextmenu="event.preventDefault()" tabindex=-1></canvas>
+    </div>
+
+    <hr/>
+    <textarea class="emscripten" id="output" rows="8"></textarea>
+    <hr>
+    <script type='text/javascript'>
+      var statusElement = document.getElementById('status');
+      var progressElement = document.getElementById('progress');
+      var spinnerElement = document.getElementById('spinner');
+
+      var Module = {
+        preRun: [],
+        postRun: [],
+        print: (function() {
+          var element = document.getElementById('output');
+          if (element) element.value = ''; // clear browser cache
+          return function(text) {
+            if (arguments.length > 1) text = Array.prototype.slice.call(arguments).join(' ');
+            // These replacements are necessary if you render to raw HTML
+            //text = text.replace(/&/g, "&amp;");
+            //text = text.replace(/</g, "&lt;");
+            //text = text.replace(/>/g, "&gt;");
+            //text = text.replace('\n', '<br>', 'g');
+            console.log(text);
+            if (element) {
+              element.value += text + "\n";
+              element.scrollTop = element.scrollHeight; // focus on bottom
+            }
+          };
+        })(),
+        canvas: (function() {
+          var canvas = document.getElementById('canvas');
+
+          // As a default initial behavior, pop up an alert when webgl context is lost. To make your
+          // application robust, you may want to override this behavior before shipping!
+          // See http://www.khronos.org/registry/webgl/specs/latest/1.0/#5.15.2
+          canvas.addEventListener("webglcontextlost", function(e) { alert('WebGL context lost. You will need to reload the page.'); e.preventDefault(); }, false);
+
+          return canvas;
+        })(),
+        setStatus: function(text) {
+          if (!Module.setStatus.last) Module.setStatus.last = { time: Date.now(), text: '' };
+          if (text === Module.setStatus.last.text) return;
+          var m = text.match(/([^(]+)\((\d+(\.\d+)?)\/(\d+)\)/);
+          var now = Date.now();
+          if (m && now - Module.setStatus.last.time < 30) return; // if this is a progress update, skip it if too soon
+          Module.setStatus.last.time = now;
+          Module.setStatus.last.text = text;
+          if (m) {
+            text = m[1];
+            progressElement.value = parseInt(m[2])*100;
+            progressElement.max = parseInt(m[4])*100;
+            progressElement.hidden = false;
+            spinnerElement.hidden = false;
+          } else {
+            progressElement.value = null;
+            progressElement.max = null;
+            progressElement.hidden = true;
+            if (!text) spinnerElement.hidden = true;
+          }
+          statusElement.innerHTML = text;
+        },
+        totalDependencies: 0,
+        monitorRunDependencies: function(left) {
+          this.totalDependencies = Math.max(this.totalDependencies, left);
+          Module.setStatus(left ? 'Preparing... (' + (this.totalDependencies-left) + '/' + this.totalDependencies + ')' : '');
+        }
+      };
+      Module.setStatus('Downloading...');
+      window.onerror = function() {
+        Module.setStatus('Exception thrown, see JavaScript console');
+        spinnerElement.style.display = 'none';
+        Module.setStatus = function(text) {
+          if (text) console.error('[post-exception status] ' + text);
+        };
+      };
+    </script>
+    {{{ SCRIPT }}}
+  </body>
+</html>
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1 @@
		make CC=emcc LDFLAGS="--pre-js pre.js --preload-file fw_jump.bin --preload-file linux_6.2 --preload-file rootfs.img --shell-file shell_minimal.html"
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1 @@
		Module['arguments'] = ['/fw_jump.bin', '-k', '/linux_6.2', '-i', '/rootfs.img', '-m', '64M'];