1 # SPDX-License-Identifier: GPL-2.0 !! 1 menu "Kernel hacking"
2 2
3 config DEBUG_TLB_SANITY !! 3 source "lib/Kconfig.debug"
4 bool "Debug TLB sanity" !! 4
5 depends on DEBUG_KERNEL && MMU !! 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
>> 12
>> 13 config EARLY_PRINTK
>> 14 bool "Early printk"
>> 15 depends on !(SUN3 || M68000 || COLDFIRE)
6 help 16 help
7 Enable this to turn on TLB sanity ch !! 17 Write kernel log output directly to a serial port.
8 This check can spot missing TLB inva !! 18 Where implemented, output goes to the framebuffer as well.
9 premature page freeing. !! 19 PROM console functionality on Sun 3x is not affected by this option.
10 !! 20
11 If unsure, say N. !! 21 Pass "earlyprintk" on the kernel command line to get a
12 !! 22 boot console.
13 config LD_NO_RELAX !! 23
14 bool "Disable linker relaxation" !! 24 This is useful for kernel debugging when your machine crashes very
15 default y !! 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
>> 29
>> 30 config FULLDEBUG
>> 31 bool "Full Symbolic/Source Debugging support"
16 help 32 help
17 Enable this function to disable link !! 33 Enable debugging symbols on kernel build.
18 The default linker behavior is to co !! 34
19 values to reduce code size and remov !! 35 config HIGHPROFILE
20 assembler-generated 'longcall' seque !! 36 bool "Use fast second timer for profiling"
21 Enabling this option improves the li !! 37 depends on COLDFIRE
22 code size, and possibly execution ti <<
23 <<
24 config S32C1I_SELFTEST <<
25 bool "Perform S32C1I instruction self- <<
26 default y <<
27 help 38 help
28 Enable this option to test S32C1I in !! 39 Use a fast secondary clock to produce profiling information.
29 Correct operation of this instructio !! 40
30 external to the processor (such as b !! 41 config NO_KERNEL_MSG
31 It is easy to make wrong hardware co !! 42 bool "Suppress Kernel BUG Messages"
32 <<
33 Say 'N' on stable hardware. <<
34 <<
35 config PRINT_STACK_DEPTH <<
36 int "Stack depth to print" if DEBUG_KE <<
37 default 64 <<
38 help 43 help
39 This option allows you to set the st !! 44 Do not output any debug BUG messages within the kernel.
40 prints in stack traces. <<
41 45
42 config PRINT_USER_CODE_ON_UNHANDLED_EXCEPTION !! 46 config BDM_DISABLE
43 bool "Dump user code around unhandled !! 47 bool "Disable BDM signals"
>> 48 depends on COLDFIRE
44 help 49 help
45 Enable this option to display user c !! 50 Disable the ColdFire CPU's BDM signals.
46 exception (starting at address align !! 51
47 This may simplify finding faulting c !! 52 endif
48 debug facilities. !! 53
>> 54 endmenu
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.