1 # SPDX-License-Identifier: GPL-2.0 !! 1 menu "Kernel hacking"
2 2
3 config 16KSTACKS !! 3 source "lib/Kconfig.debug"
4 bool "Use 16Kb for kernel stacks inste !! 4
>> 5 config EARLY_PRINTK
>> 6 bool
>> 7 depends on ALPHA_GENERIC || ALPHA_SRM
>> 8 default y
>> 9
>> 10 config ALPHA_LEGACY_START_ADDRESS
>> 11 bool "Legacy kernel start address"
>> 12 depends on ALPHA_GENERIC
>> 13 default n
>> 14 ---help---
>> 15 The 2.4 kernel changed the kernel start address from 0x310000
>> 16 to 0x810000 to make room for the Wildfire's larger SRM console.
>> 17 Recent consoles on Titan and Marvel machines also require the
>> 18 extra room.
>> 19
>> 20 If you're using aboot 0.7 or later, the bootloader will examine the
>> 21 ELF headers to determine where to transfer control. Unfortunately,
>> 22 most older bootloaders -- APB or MILO -- hardcoded the kernel start
>> 23 address rather than examining the ELF headers, and the result is a
>> 24 hard lockup.
>> 25
>> 26 Say Y if you have a broken bootloader. Say N if you do not, or if
>> 27 you wish to run on Wildfire, Titan, or Marvel.
>> 28
>> 29 config ALPHA_LEGACY_START_ADDRESS
>> 30 bool
>> 31 depends on !ALPHA_GENERIC && !ALPHA_TITAN && !ALPHA_MARVEL && !ALPHA_WILDFIRE
>> 32 default y
>> 33
>> 34 config MATHEMU
>> 35 tristate "Kernel FP software completion" if DEBUG_KERNEL && !SMP
>> 36 default y if !DEBUG_KERNEL || SMP
5 help 37 help
6 If you say Y here the kernel will us !! 38 This option is required for IEEE compliant floating point arithmetic
7 kernel stack attached to each proces !! 39 on the Alpha. The only time you would ever not say Y is to say M in
8 This increases the resident kernel f !! 40 order to debug the code. Say Y unless you know what you are doing.
9 threads to run on the system and als !! 41
10 on the VM subsystem for higher order !! 42 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.