Index: kernel/generic/src/debug/panic.c
===================================================================
--- kernel/generic/src/debug/panic.c	(revision 62baed17f97fa5cbf73d7c95444db3460ce28b36)
+++ kernel/generic/src/debug/panic.c	(revision 62baed17f97fa5cbf73d7c95444db3460ce28b36)
@@ -0,0 +1,88 @@
+/*
+ * Copyright (c) 2010 Jakub Jermar
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ * - The name of the author may not be used to endorse or promote products
+ *   derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/** @addtogroup genericdebug
+ * @{
+ */
+/** @file
+ */
+
+#include <panic.h>
+#include <print.h>
+#include <stacktrace.h>
+#include <func.h>
+#include <typedefs.h>
+#include <mm/as.h>
+#include <stdarg.h>
+#include <interrupt.h>
+
+void panic_common(panic_category_t cat, istate_t *istate, int access,
+    uintptr_t address, const char *fmt, ...)
+{
+	va_list args;
+
+	silent = false;
+
+	printf("\nKERNEL PANIC ON cpu%d DUE TO ", CPU->id);
+	va_start(args, fmt);
+	if (cat == PANIC_ASSERT) {
+		printf("A FAILED ASSERTION:\n");
+		vprintf(fmt, args);
+		printf("\n");
+	} else if (cat == PANIC_BADTRAP) {
+		printf("BAD TRAP %ld.\n", address);
+	} else if (cat == PANIC_MEMTRAP) {
+		printf("A BAD MEMORY ACCESS WHILE ");
+		if (access == PF_ACCESS_READ)
+			printf("LOADING FROM");
+		else if (access == PF_ACCESS_WRITE)
+			printf("STORING TO");
+		else if (access == PF_ACCESS_EXEC)
+			printf("BRANCHING TO");
+		else
+			printf("REFERENCING");
+		printf(" ADDRESS %p.\n", address); 
+	} else {
+		printf("THE FOLLOWING REASON:\n");
+		vprintf(fmt, args);
+	}
+	va_end(args);
+
+	printf("\n");
+
+	if (istate) {
+		decode_istate(istate);
+		printf("\n");
+	}
+
+	stack_trace();
+	halt();
+}
+
+/** @}
+ */