Re: [PATCH] x86: Use CONFIG_64BIT to select between 32 and 64 bit in Kconfig

Randy Dunlap
2007-11-10T22:19:56Z

On Sat, 10 Nov 2007 21:43:27 +0100 Sam Ravnborg wrote:

> This change allow us to use the new syntax:
> make K64BIT={n,y} to select between 32 and 64 bit.
>
> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
> ---
> arch/x86/Kconfig | 26 ++++++++------------------
> 1 files changed, 8 insertions(+), 18 deletions(-)
>
> diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
> index 153c26c..0d86611 100644
> --- a/arch/x86/Kconfig
> +++ b/arch/x86/Kconfig
> @@ -1,34 +1,24 @@
> # x86 configuration
>
> # Select 32 or 64 bit
> -choice
> - bool "Select 32 or 64 bit"
> - default X86_32
> +config 64BIT
> + bool "64 Bit kernel"

bool "64-bit kernel"

> + default n
> + help
> + Say yes to build a 64 bit kernel - formerly known as x86_64

64-bit

> + Say no to build a 32 bit kernel - formerly known as i386

32-bit

>
> config X86_32
> - bool "32 bit (former ARCH=i386)"
> - help
> - This is Linux's home port. Linux was originally native to the Intel
> - 386, and runs on all the later x86 processors including the Intel
> - 486, 586, Pentiums, and various instruction-set-compatible chips by
> - AMD, Cyrix, and others.
> + def_bool !64BIT
>
> config X86_64
> - bool "64 bit (former ARCH=x86_64)"
> - help
> - Port to the x86-64 architecture. x86-64 is a 64-bit extension to the
> - classical 32-bit x86 architecture. For details see
> - <http://www.x86-64.org/>.
> -endchoice
> + def_bool 64BIT
>
> ### Arch settings
> config X86
> bool
> default y
>
> -config 64BIT
> - def_bool X86_64
> -
> config GENERIC_TIME
> bool
> default y
> --

---
~Randy