Add serial loggingHEADtrunkdev

1 files changed, 31 insertions, 0 deletions

diff --git a/kernel/io/logger/base.h b/kernel/io/logger/base.h
new file mode 100644
index 0000000..7aa9e2d
--- /dev/null
+++ b/kernel/io/logger/base.h
@@ -0,0 +1,31 @@
+#ifndef HOS_IO_BASE_H
+#define HOS_IO_BASE_H
+
+namespace hos::io
+{
+    enum log_level
+    {
+        DEBUG,
+        INFO,
+        WARN,
+        ERROR,
+        FATAL
+    };
+
+    /// Ah, the glorious CRTP...
+    template <typename concrete_logger>
+    class logger
+    {
+    public:
+        logger  (enum log_level level);
+
+        void            set_level   (enum log_level level);
+        void            write       (enum log_level level, const char *message, ...);
+    protected:
+        char            buffer[512];
+    private:
+        enum log_level  level;
+    };
+}
+
+#endif