1 files changed, 147 insertions, 0 deletions
diff --git a/drivers/keyboard.cc b/drivers/keyboard.cc
new file mode 100644
index 0000000..268ce2b
--- /dev/null
+++ b/drivers/keyboard.cc
@@ -0,0 +1,147 @@
+#include "keyboard.h"
+#include <stdlib.h>
+
+Keyboard::Keyboard() : InterruptHandler(0x01) {
+  // eat all previous keystrikes
+  while (commandport.read() & 0x1) dataport.read();
+  commandport.write(0xae);  // ???
+  commandport.write(0x20);  // get state ???
+  auto status = (dataport.read() | 1) & ~0x10;
+  commandport.write(0x60);  // set state ???
+  dataport.write(status);   // ???
+  dataport.write(0xf4);     // ???
+}
+
+void Keyboard::trigger() {
+  const auto key = dataport.read();
+
+  if (key < 0x80) {
+    switch (key) {
+      case 0x04:
+        printk('3');
+        break;
+      case 0x05:
+        printk('4');
+        break;
+      case 0x06:
+        printk('5');
+        break;
+      case 0x07:
+        printk('6');
+        break;
+      case 0x08:
+        printk('7');
+        break;
+      case 0x09:
+        printk('8');
+        break;
+      case 0x0A:
+        printk('9');
+        break;
+      case 0x0B:
+        printk('0');
+        break;
+
+      case 0x10:
+        printk('q');
+        break;
+      case 0x11:
+        printk('w');
+        break;
+      case 0x12:
+        printk('e');
+        break;
+      case 0x13:
+        printk('r');
+        break;
+      case 0x14:
+        printk('t');
+        break;
+      case 0x15:
+        printk('y');
+        break;
+      case 0x16:
+        printk('u');
+        break;
+      case 0x17:
+        printk('i');
+        break;
+      case 0x18:
+        printk('o');
+        break;
+      case 0x19:
+        printk('p');
+        break;
+
+      case 0x1E:
+        printk('a');
+        break;
+      case 0x1F:
+        printk('s');
+        break;
+      case 0x20:
+        printk('d');
+        break;
+      case 0x21:
+        printk('f');
+        break;
+      case 0x22:
+        printk('g');
+        break;
+      case 0x23:
+        printk('h');
+        break;
+      case 0x24:
+        printk('j');
+        break;
+      case 0x25:
+        printk('k');
+        break;
+      case 0x26:
+        printk('l');
+        break;
+
+      case 0x2C:
+        printk('z');
+        break;
+      case 0x2D:
+        printk('x');
+        break;
+      case 0x2E:
+        printk('c');
+        break;
+      case 0x2F:
+        printk('v');
+        break;
+      case 0x30:
+        printk('b');
+        break;
+      case 0x31:
+        printk('n');
+        break;
+      case 0x32:
+        printk('m');
+        break;
+      case 0x33:
+        printk(',');
+        break;
+      case 0x34:
+        printk('.');
+        break;
+      case 0x35:
+        printk('/');
+        break;
+
+      case 0x1C:
+        printk('\n');
+        break;
+      case 0x39:
+        printk(' ');
+        break;
+
+      default:
+        printk("keyboard interrupt: ", uhex{key}, "\n");
+        break;
+    }
+  }
+}