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 def_bool y !! 4 bool
>> 5 depends on ALPHA_GENERIC || ALPHA_SRM
>> 6 default y
5 7
6 config DEBUG_ENTRY !! 8 config ALPHA_LEGACY_START_ADDRESS
7 bool "Debug low-level entry code" !! 9 bool "Legacy kernel start address"
8 depends on DEBUG_KERNEL !! 10 depends on ALPHA_GENERIC
>> 11 default n
9 help 12 help
10 This option enables sanity checks in !! 13 The 2.4 kernel changed the kernel start address from 0x310000
11 Some of these sanity checks may slow !! 14 to 0x810000 to make room for the Wildfire's larger SRM console.
12 exits or otherwise impact performanc !! 15 Recent consoles on Titan and Marvel machines also require the
>> 16 extra room.
13 17
14 If unsure, say N. !! 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.
15 23
16 config CIO_INJECT !! 24 Say Y if you have a broken bootloader. Say N if you do not, or if
17 bool "CIO Inject interfaces" !! 25 you wish to run on Wildfire, Titan, or Marvel.
18 depends on DEBUG_KERNEL && DEBUG_FS !! 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
19 help 35 help
20 This option provides a debugging fac !! 36 This option is required for IEEE compliant floating point arithmetic
21 and instruction responses to the CIO !! 37 on the Alpha. The only time you would ever not say Y is to say M in
22 debugfs user-interfaces will be at / !! 38 order to debug the code. Say Y unless you know what you are doing.
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