documentation/kernel/utils/logger.h.md

logger.h

Functionalities to write logs to QEMU's serial port.

DEBUG(string, ...) - macro

calls log with log_level Debug. Puts filename and line number in front of the format text.

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.