1 # SPDX-License-Identifier: GPL-2.0
4 source "lib/Kconfig.debug"
7 bool 'Compiled-in Kernel Boot Parameter'
9 config BOOTPARAM_STRING
10 string 'Kernel Boot Parameter'
11 default 'console=ttyS0,19200'
16 depends on !(SUN3 || M68000 || COLDFIRE)
18 Write kernel log output directly to a serial port.
19 Where implemented, output goes to the framebuffer as well.
20 PROM console functionality on Sun 3x is not affected by this option.
22 Pass "earlyprintk" on the kernel command line to get a
25 This is useful for kernel debugging when your machine crashes very
26 early, i.e. before the normal console driver is loaded.
27 You should normally say N here, unless you want to debug such a crash.
32 bool "Full Symbolic/Source Debugging support"
34 Enable debugging symbols on kernel build.
37 bool "Use fast second timer for profiling"
40 Use a fast secondary clock to produce profiling information.
43 bool "Suppress Kernel BUG Messages"
45 Do not output any debug BUG messages within the kernel.
48 bool "Disable BDM signals"
51 Disable the ColdFire CPU's BDM signals.