1 # SPDX-License-Identifier: GPL-2.0 1 # SPDX-License-Identifier: GPL-2.0
2 2
3 config GPROF <<
4 bool "Enable gprof support" <<
5 depends on DEBUG_INFO && FRAME_POINTER <<
6 help <<
7 This allows profiling of a User-Mode <<
8 utility. <<
9 <<
10 See <http://user-mode-linux.sourcefo <<
11 details. <<
12 <<
13 If you're involved in UML kernel dev <<
14 say Y. If you're unsure, say N. <<
15 <<
16 config GCOV <<
17 bool "Enable gcov support" <<
18 depends on DEBUG_INFO <<
19 depends on !KCOV <<
20 depends on !MODULES <<
21 help <<
22 This option allows developers to ret <<
23 session. <<
24 <<
25 See <http://user-mode-linux.sourcefo <<
26 details. <<
27 <<
28 If you're involved in UML kernel dev <<
29 say Y. If you're unsure, say N. <<
30 <<
31 config EARLY_PRINTK 3 config EARLY_PRINTK
32 bool "Early printk" !! 4 bool
>> 5 depends on ALPHA_GENERIC || ALPHA_SRM
33 default y 6 default y
>> 7
>> 8 config ALPHA_LEGACY_START_ADDRESS
>> 9 bool "Legacy kernel start address"
>> 10 depends on ALPHA_GENERIC
>> 11 default n
34 help 12 help
35 Write kernel log output directly to !! 13 The 2.4 kernel changed the kernel start address from 0x310000
>> 14 to 0x810000 to make room for the Wildfire's larger SRM console.
>> 15 Recent consoles on Titan and Marvel machines also require the
>> 16 extra room.
>> 17
>> 18 If you're using aboot 0.7 or later, the bootloader will examine the
>> 19 ELF headers to determine where to transfer control. Unfortunately,
>> 20 most older bootloaders -- APB or MILO -- hardcoded the kernel start
>> 21 address rather than examining the ELF headers, and the result is a
>> 22 hard lockup.
>> 23
>> 24 Say Y if you have a broken bootloader. Say N if you do not, or if
>> 25 you wish to run on Wildfire, Titan, or Marvel.
>> 26
>> 27 config ALPHA_LEGACY_START_ADDRESS
>> 28 bool
>> 29 depends on !ALPHA_GENERIC && !ALPHA_TITAN && !ALPHA_MARVEL && !ALPHA_WILDFIRE
>> 30 default y
36 31
37 This is useful for kernel debugging !! 32 config MATHEMU
38 early before the console code is ini !! 33 tristate "Kernel FP software completion" if DEBUG_KERNEL && !SMP
>> 34 default y if !DEBUG_KERNEL || SMP
>> 35 help
>> 36 This option is required for IEEE compliant floating point arithmetic
>> 37 on the Alpha. The only time you would ever not say Y is to say M in
>> 38 order to debug the code. Say Y unless you know what you are doing.
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