pluto/src/kernel/log.zig

const serial = @import("serial.zig");
const fmt = @import("std").fmt;

pub const Level = enum {
    INFO,
    DEBUG,
    WARNING,
    ERROR,
};

fn logCallback(context: void, str: []const u8) anyerror!void {
    serial.writeString(str, serial.Port.COM1);
}

pub fn log(comptime level: Level, comptime format: []const u8, args: ...) void {
    fmt.format({}, anyerror, logCallback, "[" ++ @tagName(level) ++ "] " ++ format, args) catch unreachable;
}

pub fn logInfo(comptime format: []const u8, args: ...) void {
    log(Level.INFO, format, args);
}

pub fn logDebug(comptime format: []const u8, args: ...) void {
    log(Level.DEBUG, format, args);
}

pub fn logWarning(comptime format: []const u8, args: ...) void {
    log(Level.WARNING, format, args);
}

pub fn logError(comptime format: []const u8, args: ...) void {
    log(Level.ERROR, format, args);
}