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ARM

Last edited by Alexandre Julliard

ARM support

Motivation

Windows apps are mostly compiled for x86 and they won't run on ARM with bare Wine, likewise ARM applications won't run on x86(_64) with bare Wine, so this is not our motivation.

The original motivation was to be able to run winelib-apps on ARM, that even was before it got public that win8 will run on ARM devices. Meanwhile we support these new ARM PEs for win8!

Status

  • Yes, It works! (TM)
  • Running win8 ARM PEs also works.
  • Already ported Putty to ARM as winelib application.
  • Wine on ARM already gets packaged by Debian (since 1.7.35), Fedora, Maemo and openSUSE.
  • Good debugger/disassembler support.
  • Relay tracing.
  • Relocation.
  • Linux Kernel patched upstream for running Windows RT applications see #31322

Todo

  • wine-gecko ARM port (waiting for mingw-w64-arm).
  • wine-mono ARM port (requires JIT/seh code modification, and a few non-essential support libraries fail to build).
  • DCOM

How to help

  • Run winetest and report your results.
  • Fix test failures or analyse them, see below.
  • Report bugs with winelib or Windows RT applications.
  • Write tests for missing functions.

Compiling

Toolchains: Every toolchain with Thumb support should work as we are independent from the crti.o mode since wine-1.5.8

Compiling on the ARM Device is recommended:

../configure && make

Anyway here is a crosscompiling example:

../configure --host=arm-linux-gnueabihf host_alias=arm-linux-gnueabihf --with-wine-tools=../path/to/your/native/wine/build && make

Maybe you also should append something like:

CFLAGS="-mcpu=yourcpu -g -O2" LDFLAGS="-mcpu=yourcpu"

Fixme/Todo: Compiling inside a chroot

Running Windows RT Applications

You can find a list of such ported applications at forum.xda-developers.com. To run them you'll need a recent Wine and a Linux Kernel with the tpidrurw patch, it's included since Kernel 3.11-rc1. When you're unsure if the Kernel you are using supports it, you can clone, make and run tpidrurw-test, it'll tell you if your Kernel is suitable.

Running Windows CE Applications

That's still pre-alpha/proof-of-concept and not part of official Wine, don't expect any success. WineCE can be found at github.

Running Windows/x86 Applications

See Emulation

Analyzed/Known Test Failures

  • d3dx9_36:mesh
  • mscoree:mscoree
    • no wine-mono for arm, bug #43937
  • mshtml:* (FIXME: also applies to several others)
    • no wine-gecko for arm, bug #43938
  • msi:action
  • msvcr100:msvcr100
    • softfloat vs. hardfloat
  • rpcrt4:cstub
  • user32:class
    • per dissonant compile time checks the testsuite expects the x86 value for cbWndExtra, whereas the code uses the pointer size

Wine and Valgrind

Currently a work in progress - Austin English

See also