Initial commit

1 files changed, 40 insertions, 0 deletions

diff --git a/kern/panic.c b/kern/panic.c
new file mode 100644
index 0000000..7615850
--- /dev/null
+++ b/kern/panic.c
@@ -0,0 +1,40 @@
+/*
+ * Copyright (c) 2010 Richard Braun.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <stdarg.h>
+
+#include <kern/panic.h>
+#include <kern/printk.h>
+#include <machine/cpu.h>
+
+void
+panic(const char *format, ...)
+{
+  va_list list;
+
+  cpu_intr_disable();
+
+  printk("\nkernel panic: ");
+  va_start(list, format);
+  vprintk(format, list);
+
+  cpu_halt();
+
+  /*
+   * Never reached.
+   */
+}