1 # SPDX-License-Identifier: GPL-2.0 1 # SPDX-License-Identifier: GPL-2.0
2 2
3 config EARLY_PRINTK 3 config EARLY_PRINTK
4 bool "Activate early kernel debugging" !! 4 bool
>> 5 depends on ALPHA_GENERIC || ALPHA_SRM
5 default y 6 default y
6 depends on TTY !! 7
7 select SERIAL_CORE_CONSOLE !! 8 config ALPHA_LEGACY_START_ADDRESS
>> 9 bool "Legacy kernel start address"
>> 10 depends on ALPHA_GENERIC
>> 11 default n
8 help 12 help
9 Enable early printk on console. !! 13 The 2.4 kernel changed the kernel start address from 0x310000
10 This is useful for kernel debugging !! 14 to 0x810000 to make room for the Wildfire's larger SRM console.
11 early before the console code is ini !! 15 Recent consoles on Titan and Marvel machines also require the
12 You should normally say N here, unle !! 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
>> 31
>> 32 config MATHEMU
>> 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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