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 help !! 6 bool 'Compiled-in Kernel Boot Parameter'
7 Enable this to turn on TLB sanity ch <<
8 This check can spot missing TLB inva <<
9 premature page freeing. <<
10 7
11 If unsure, say N. !! 8 config BOOTPARAM_STRING
>> 9 string 'Kernel Boot Parameter'
>> 10 default 'console=ttyS0,19200'
>> 11 depends on BOOTPARAM
12 12
13 config LD_NO_RELAX !! 13 config EARLY_PRINTK
14 bool "Disable linker relaxation" !! 14 bool "Early printk" if EMBEDDED
>> 15 depends on MVME16x || MAC
15 default y 16 default y
16 help 17 help
17 Enable this function to disable link !! 18 Write kernel log output directly to a serial port.
18 The default linker behavior is to co <<
19 values to reduce code size and remov <<
20 assembler-generated 'longcall' seque <<
21 Enabling this option improves the li <<
22 code size, and possibly execution ti <<
23 19
24 config S32C1I_SELFTEST !! 20 This is useful for kernel debugging when your machine crashes very
25 bool "Perform S32C1I instruction self- !! 21 early before the console code is initialized.
26 default y !! 22 You should normally say N here, unless you want to debug such a crash.
>> 23
>> 24 if !MMU
>> 25
>> 26 config FULLDEBUG
>> 27 bool "Full Symbolic/Source Debugging support"
27 help 28 help
28 Enable this option to test S32C1I in !! 29 Enable debugging symbols on kernel build.
29 Correct operation of this instructio !! 30
30 external to the processor (such as b !! 31 config HIGHPROFILE
31 It is easy to make wrong hardware co !! 32 bool "Use fast second timer for profiling"
32 !! 33 depends on COLDFIRE
33 Say 'N' on stable hardware. !! 34 help
34 !! 35 Use a fast secondary clock to produce profiling information.
35 config PRINT_STACK_DEPTH !! 36
36 int "Stack depth to print" if DEBUG_KE !! 37 config NO_KERNEL_MSG
37 default 64 !! 38 bool "Suppress Kernel BUG Messages"
38 help 39 help
39 This option allows you to set the st !! 40 Do not output any debug BUG messages within the kernel.
40 prints in stack traces. <<
41 41
42 config PRINT_USER_CODE_ON_UNHANDLED_EXCEPTION !! 42 config BDM_DISABLE
43 bool "Dump user code around unhandled !! 43 bool "Disable BDM signals"
>> 44 depends on COLDFIRE
44 help 45 help
45 Enable this option to display user c !! 46 Disable the ColdFire CPU's BDM signals.
46 exception (starting at address align !! 47
47 This may simplify finding faulting c !! 48 endif
48 debug facilities. !! 49
>> 50 endmenu
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