1 # SPDX-License-Identifier: GPL-2.0 !! 1 menu "Kernel hacking"
>> 2
>> 3 source "lib/Kconfig.debug"
>> 4
>> 5 config BOOTPARAM
>> 6 bool 'Compiled-in Kernel Boot Parameter'
>> 7
>> 8 config BOOTPARAM_STRING
>> 9 string 'Kernel Boot Parameter'
>> 10 default 'console=ttyS0,19200'
>> 11 depends on BOOTPARAM
2 12
3 config EARLY_PRINTK 13 config EARLY_PRINTK
4 def_bool y !! 14 bool "Early printk"
>> 15 depends on !(SUN3 || M68000 || COLDFIRE)
>> 16 help
>> 17 Write kernel log output directly to a serial port.
>> 18 Where implemented, output goes to the framebuffer as well.
>> 19 PROM console functionality on Sun 3x is not affected by this option.
>> 20
>> 21 Pass "earlyprintk" on the kernel command line to get a
>> 22 boot console.
>> 23
>> 24 This is useful for kernel debugging when your machine crashes very
>> 25 early, i.e. before the normal console driver is loaded.
>> 26 You should normally say N here, unless you want to debug such a crash.
>> 27
>> 28 if !MMU
5 29
6 config DEBUG_ENTRY !! 30 config FULLDEBUG
7 bool "Debug low-level entry code" !! 31 bool "Full Symbolic/Source Debugging support"
8 depends on DEBUG_KERNEL <<
9 help 32 help
10 This option enables sanity checks in !! 33 Enable debugging symbols on kernel build.
11 Some of these sanity checks may slow !! 34
12 exits or otherwise impact performanc !! 35 config HIGHPROFILE
13 !! 36 bool "Use fast second timer for profiling"
14 If unsure, say N. !! 37 depends on COLDFIRE
15 !! 38 help
16 config CIO_INJECT !! 39 Use a fast secondary clock to produce profiling information.
17 bool "CIO Inject interfaces" !! 40
18 depends on DEBUG_KERNEL && DEBUG_FS !! 41 config NO_KERNEL_MSG
>> 42 bool "Suppress Kernel BUG Messages"
19 help 43 help
20 This option provides a debugging fac !! 44 Do not output any debug BUG messages within the kernel.
21 and instruction responses to the CIO !! 45
22 debugfs user-interfaces will be at / !! 46 config BDM_DISABLE
>> 47 bool "Disable BDM signals"
>> 48 depends on COLDFIRE
>> 49 help
>> 50 Disable the ColdFire CPU's BDM signals.
>> 51
>> 52 endif
>> 53
>> 54 endmenu
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