feat(ke): logging and consoles

src/kern/panic.zig

@@ -5,15 +5,8 @@ const ki = ke.private;
 
 /// Panics!
 pub fn panic(comptime fmt: []const u8, args: anytype) noreturn {
-    ki.log.debug_lock.acquire_no_ipl();
+    // FIXME: this is probably broken.
+    std.log.err("KERNEL PANIC: " ++ fmt, args);
 
-    var buf: [1024]u8 = undefined;
-
-    const str = std.fmt.bufPrint(&buf, fmt, args) catch unreachable;
-
-    ki.log.print("Panic!\n");
-    ki.log.print(str);
-
-    ki.log.debug_lock.release_no_ipl();
     while (true) {}
 }