linux/arch/alpha/Kconfig.debug
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   1# SPDX-License-Identifier: GPL-2.0
   2
   3config EARLY_PRINTK
   4        bool
   5        depends on ALPHA_GENERIC || ALPHA_SRM
   6        default y
   7
   8config ALPHA_LEGACY_START_ADDRESS
   9        bool "Legacy kernel start address"
  10        depends on ALPHA_GENERIC
  11        default n
  12        help
  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
  27config ALPHA_LEGACY_START_ADDRESS
  28        bool
  29        depends on !ALPHA_GENERIC && !ALPHA_TITAN && !ALPHA_MARVEL && !ALPHA_WILDFIRE
  30        default y
  31
  32config 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.
  39