Okay, just create a console object when you need one... for now

src/Console.cc

@@ -10,16 +10,6 @@
 
 namespace kernel {
 
-/*
- * TODO: The build currently complains about missing __cxa_guard_acquire and
- * __cxa_guard_release symbols if I add it there though. Once I've written
- * those, this can be moved Console::systemConsole().
- *
- * See http://wiki.osdev.org/C%2B%2B for details.
- */
-static Console sSystemConsole;
-
-
 /** Create a VGA color pair. */
 static inline uint8_t
 makeVGAColor(Console::Color fg,
@@ -39,21 +29,10 @@ makeVGAEntry(char c,
     return c16 | color16 << 8;
 }
 
-/*
- * Static
- */
-
-auto
-Console::systemConsole() -> Console&
-{
-    return sSystemConsole;
-}
-
 /*
  * Public
  */
 
-// TODO: Make this private once the kernel supports local static variables.
 Console::Console()
     : mBase(reinterpret_cast<uint16_t *>(0xB8000)),
       mCursor{0, 0},

src/Console.hh

@@ -41,8 +41,6 @@ struct Console
     static const size_t Width = 80;
     static const size_t Height = 25;
 
-    static auto systemConsole() -> Console&;
-
     Console();
 
     /** Clear the console to the provided color. */

src/Main.cc

@@ -14,38 +14,30 @@
 extern "C"
 void
 kearly()
-{ }
-
-
-/** The beginning of the world... */
-extern "C"
-void
-kmain()
 {
-    auto console = kernel::Console::systemConsole();
+    kernel::Console console;
     console.clear(kernel::Console::Color::Blue);
-    console.writeString("Hello world!\n");
+    console.writeString("Loading system ...\n");
 
-    /*
-     * TODO: The performance of this loop slowed down a _lot_ (7 to 8 orders of
-     * magnitude according to the busy loop) when I moved this code from
-     * kearly() to here. I wonder if it has something to do with object
-     * initialization? Should probably investigate some.
-     */
     volatile int foo = 0;
-    int j = 0;
     int i = 0;
     for (;;) {
-        if (j == 0) {
+        if (i == 0) {
             console.writeString("--- MARK ---\n");
         }
         console.writeChar('a' + i);
         console.writeChar('\n');
         i = (i + 1) % 26;
-        j = (j + 1) % 500;
 
         for (uint32_t k = 0; k < (2u << 20) - 1; k++) {
             foo /= 2;
         }
     }
 }
+
+
+/** The beginning of the world... */
+extern "C"
+void
+kmain()
+{ }