[mirror_ubuntu-bionic-kernel.git] / arch / alpha / Kconfig.debug

# SPDX-License-Identifier: GPL-2.0
menu "Kernel hacking"

source "lib/Kconfig.debug"

config EARLY_PRINTK
	bool
	depends on ALPHA_GENERIC || ALPHA_SRM
	default y

config ALPHA_LEGACY_START_ADDRESS
	bool "Legacy kernel start address"
	depends on ALPHA_GENERIC
	default n
	---help---
	  The 2.4 kernel changed the kernel start address from 0x310000
	  to 0x810000 to make room for the Wildfire's larger SRM console.
	  Recent consoles on Titan and Marvel machines also require the
	  extra room.

	  If you're using aboot 0.7 or later, the bootloader will examine the
	  ELF headers to determine where to transfer control. Unfortunately,
	  most older bootloaders -- APB or MILO -- hardcoded the kernel start
	  address rather than examining the ELF headers, and the result is a
	  hard lockup.

	  Say Y if you have a broken bootloader.  Say N if you do not, or if
	  you wish to run on Wildfire, Titan, or Marvel.

config ALPHA_LEGACY_START_ADDRESS
	bool
	depends on !ALPHA_GENERIC && !ALPHA_TITAN && !ALPHA_MARVEL && !ALPHA_WILDFIRE
	default y

config MATHEMU
	tristate "Kernel FP software completion" if DEBUG_KERNEL && !SMP
	default y if !DEBUG_KERNEL || SMP
	help
	  This option is required for IEEE compliant floating point arithmetic
	  on the Alpha. The only time you would ever not say Y is to say M in
	  order to debug the code. Say Y unless you know what you are doing.

endmenu
Commit	Line	Data
b2441318	1	# SPDX-License-Identifier: GPL-2.0
1da177e4 LT	2	menu "Kernel hacking"
	3
	4	source "lib/Kconfig.debug"
	5
	6	config EARLY_PRINTK
	7	bool
	8	depends on ALPHA_GENERIC \|\| ALPHA_SRM
	9	default y
	10
1da177e4 LT	11	config ALPHA_LEGACY_START_ADDRESS
	12	bool "Legacy kernel start address"
	13	depends on ALPHA_GENERIC
	14	default n
	15	---help---
	16	The 2.4 kernel changed the kernel start address from 0x310000
	17	to 0x810000 to make room for the Wildfire's larger SRM console.
	18	Recent consoles on Titan and Marvel machines also require the
	19	extra room.
	20
	21	If you're using aboot 0.7 or later, the bootloader will examine the
	22	ELF headers to determine where to transfer control. Unfortunately,
	23	most older bootloaders -- APB or MILO -- hardcoded the kernel start
	24	address rather than examining the ELF headers, and the result is a
	25	hard lockup.
	26
	27	Say Y if you have a broken bootloader. Say N if you do not, or if
	28	you wish to run on Wildfire, Titan, or Marvel.
	29
	30	config ALPHA_LEGACY_START_ADDRESS
	31	bool
	32	depends on !ALPHA_GENERIC && !ALPHA_TITAN && !ALPHA_MARVEL && !ALPHA_WILDFIRE
	33	default y
	34
	35	config MATHEMU
	36	tristate "Kernel FP software completion" if DEBUG_KERNEL && !SMP
	37	default y if !DEBUG_KERNEL \|\| SMP
	38	help
	39	This option is required for IEEE compliant floating point arithmetic
	40	on the Alpha. The only time you would ever not say Y is to say M in
	41	order to debug the code. Say Y unless you know what you are doing.
	42
	43	endmenu