1# SPDX-License-Identifier: GPL-2.0 2 3config EARLY_PRINTK 4 def_bool DEBUG_OCD 5 help 6 Write kernel log output directly into the ocd or to a serial port. 7 8 This is useful for kernel debugging when your machine crashes very 9 early before the console code is initialized. For normal operation 10 it is not recommended because it looks ugly and doesn't cooperate 11 with klogd/syslogd or the X server. You should normally N here, 12 unless you want to debug such a crash. 13 14# These options are only for real kernel hackers who want to get their hands dirty. 15config DEBUG_LL 16 bool "Kernel low-level debugging functions" 17 depends on DEBUG_KERNEL 18 help 19 Say Y here to include definitions of printascii, printch, printhex 20 in the kernel. This is helpful if you are debugging code that 21 executes before the console is initialized. 22 23config DEBUG_OCD 24 bool "Kernel low-level debugging via On-Chip-Debugger" 25 depends on DEBUG_LL 26 default y 27 help 28 Say Y here if you want the debug print routines to direct their 29 output to the UniCore On-Chip-Debugger channel using CP #1. 30