CODEWITHSUNDEEP
linux-kernelx86-64
shodanex
shodanex

Reputation: 15406

Developing a 64 bit kernel module on a 32 bit distro

My development machine has a 64 bit proc, running a 32 bit distribution. I would like to compile and test a kernel module with a 64 bit kernel. My question is :

Upvotes: 1

Views: 1152

Answers (3)

qdot
qdot

Reputation: 6335

It might be more technical than you would want to try, but, if you can get a 64bit toolchain installed, you should be able to compile the kernel through:

make ARCH=amd64 CROSS_COMPILE=x86_64-pc-linux-gnu- menuconfig

You should be able to boot your regular 32bit userland with a 64bit kernel (if you select the appropriate binary compatibility options)

Cheers!

Upvotes: 1

MarkR
MarkR

Reputation: 63538

You can install a 64-bit VM on a 32-bit operating system, provided the CPU supports it. I know this is possible with VMWare, don't know about anything else.

If you're doing any system development nowadays, I'd say use a VM, regardless of the target platform. Just use a VM.

Upvotes: 2

sarnold
sarnold

Reputation: 104060

http://www.ubuntu.com/desktop/get-ubuntu/download has links for 64-bit download, and the "make USB on windows" option includes screenshots showing how to make a bootable 64-bit ubuntu USB memory stick. (None of the other options in the {CD, USB} x {Windows, Mac, Ubuntu} instructions mention anything about only working for x86 vs x86-64.)

Upvotes: 0

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