---
title: "logger.h"
summary: "functionalities to write logs to QEMU's serial port."
---

# `log_level_E` - enum
- **None** - Logs just the message without a prefix
- **Info** - General information, that could be useful
- **Debug** - Should only be used to find bugs and removed (or commented out) after the bug is found
- **Warning** - Used for warnings and not important errors
- **Error** - Used for Fatal Errors / Will be printed to the screen (graphics driver is not Implemented yet)

# `log(log_level, string, ...)` - function (void)
Logs the given string to QEMU's log port, the string is prefixed with the log type.
Format strings are supported.