2 files changed, 27 insertions, 0 deletions
diff --git a/kernel/lib/fputc.c b/kernel/lib/fputc.c
new file mode 100644
index 0000000..ef9b6f6
--- /dev/null
+++ b/kernel/lib/fputc.c
@@ -0,0 +1,11 @@
+#include <lib.h>
+#include <comus/drivers/tty.h>
+#include <comus/drivers/uart.h>
+
+void fputc(FILE *stream, char c)
+{
+	(void)stream; // TODO: manage stream
+	uart_out(c);
+	tty_out(c);
+}
+
diff --git a/kernel/lib/panic.c b/kernel/lib/panic.c
new file mode 100644
index 0000000..403418f
--- /dev/null
+++ b/kernel/lib/panic.c
@@ -0,0 +1,16 @@
+#include <lib.h>
+#include <stdarg.h>
+#include <comus/asm.h>
+
+__attribute__((noreturn)) void panic(const char *format, ...)
+{
+	cli();
+	va_list list;
+	va_start(list, format);
+	printf("\n\n!!! PANIC !!!\n");
+	vprintf(format, list);
+	printf("\n\n");
+
+	while (1)
+		halt();
+}