QEMU on Windows

QEMU is an emulator for various CPUs. It works on Linux, Windows, FreeBSD and Mac OS X. Windows version is in an alpha stage. I hope I can provide useful information on development and usage of the software.

What's New!

Created binary package for Qemu 0.9.1 based on the work found in http://www.h7.dion.ne.jp/~qemu-win/

Links

Windows binaries (includes preliminary USB support, FMOD support and SDL 1.2.13):
Qemu-0.9.1-windows.zip or Qemu-0.9.1-windows-Lite.zip

QEMU
http://fabrice.bellard.free.fr/qemu/
SDL library
http://www.libsdl.org/
Cygwin
http://www.cygwin.com/

How to build

Main choice was to build everything from cygwin by using the mingw versions of gcc.
You need the following packages (available from the cygwin setup program):

gcc-mingw-core gcc-mingw-core-20050522-1.tar.bz2

gcc-mingw-g++ gcc-mingw-g++-20050522-1.tar.bz2

mingw-runtime mingw-runtime-3.14-1.tar.bz2

mingw-zlib mingw-zlib-1.2.3-2.tar.bz2

w32api w32api-3.11-1.tar.bz2

SDL : based on http://www.libsdl.org/extras/win32/cygwin/README.txt

- Fetch the source code (SDL-1.2.13.tar.gz was used) and untar.

- Fetch the DirectX development headers and libraries (new version rebuild with gcc –mno-cygwin and –O4 –march=i686 available here: mingw-directx-5.0-EL.tar.bz2) : http://www.libsdl.org/extras/win32/cygwin/directx-devel.tar.gz

- Fetch nasm (http://www.libsdl.org/extras/win32/cygwin/nasm.exe or here: nasm.exe), put it in your path.

- Fetch libunicows.a: http://libunicows.sourceforge.net/ (installable version build with gcc –mno-cygwin and –O4 –march=i686 available here: mingw-libunicows-1.1.1-EL.tar.bz2)

- Insert patch for Qemu (available here: http://www.h7.dion.ne.jp/~qemu-win/download/sdl-1.2.11-keyboard.zip or here: sdl-1.2.11-keyboard.zip):

patch -b -z.orig -p1 -i ../sdl-1.2.11-keyboard/sdl-1.2.11-keyboard.patch

- Compile SDL and install:

CPPFLAGS="-I/usr/include/mingw -I../../src/video/windx5" CFLAGS="-O4 -march=i686 -fomit-frame-pointer -funroll-loops -DFORCE_32BPP -DDO_NOT_HANDLE_IM -DJP106_KLUDGE -I/include/w32api" CC="gcc -mno-cygwin" CXXFLAGS="-O4 -march=i686 -fomit-frame-pointer -funroll-loops -DFORCE_32BPP -DDO_NOT_HANDLE_IM -DJP106_KLUDGE -I/include/w32api" CXX="g++ -mno-cygwin" ./configure --disable-dependency-tracking LDFLAGS="-mno-cygwin"
make
make install

- A complete package (reworked with mingw compatibility in mind) is available here: mingw-SDL-1.2.13-EL.tar.bz2)

Qemu:

- Fetch the source code: http://fabrice.bellard.free.fr/qemu/qemu-0.9.1.tar.gz

- Optionally fetch the fmod library: http://www.fmod.org/index.php/release/version/fmodapi375win.zip (or here: fmodapi375win.zip)

- Fetch and install the patches: qemu-0.9.1-patch.zip. This patch is based on the original patches found here: http://www.h7.dion.ne.jp/~qemu-win/download/qemu-0.9.0-patches.zip plus my additional work.

- Fetch LibUsb-Win32, currently http://downloads.sourceforge.net/libusb-win32/libusb-win32-device-bin-0.1.12.1.tar.gz, or here: libusb-win32-device-bin-0.1.12.1.tar.gz and untar.

- Untar Qemu, apply the patch (patch –p1 –i ../qemu-0.9.1-patch) and configure:

CFLAGS="-O4 -march=i686" LIBUSB_CFLAGS="-I/home/lassauge/MyDocuments/Qemu/libusb-win32-device-bin-0.1.12.1/include" LDFLAGS="-L/home/lassauge/MyDocuments/Qemu/libusb-win32-device-bin-0.1.12.1/lib/gcc" ./configure --target-list="i386-softmmu" --enable-dsound --enable-fmod --fmod-lib=/home/lassauge/MyDocuments/Qemu/fmodapi375win/api/lib/libfmod.a --fmod-inc=/home/lassauge/MyDocuments/Qemu/fmodapi375win/api/inc --prefix="/home/lassauge/MyDocuments/Qemu-0.9.1-windows" --extra-cflags="-I/home/lassauge/MyDocuments/Qemu/libusb-win32-device-bin-0.1.12.1/include" --extra-ldflags="-L/home/lassauge/MyDocuments/Qemu/libusb-win32-device-bin-0.1.12.1/lib/gcc"

- Special tweak: I had to manually modify the config-host.mak file for CFLAGS. You should have something like that (check HOST_USB and CONFIG_FMOD):

# Automatically generated by configure - do not modify

# Configured with: ./configure --target-list=i386-softmmu --enable-dsound --enable-fmod --fmod-lib=/home/lassauge/MyDocuments/Qemu/fmodapi375win/api/lib/libfmod.a --fmod-inc=/home/lassauge/MyDocuments/Qemu/fmodapi375win/api/inc --prefix=/home/lassauge/MyDocuments/Qemu-0.9.1-windows --extra-cflags=-I/home/lassauge/MyDocuments/Qemu/libusb-win32-device-bin-0.1.12.1/include --extra-ldflags=-L/home/lassauge/MyDocuments/Qemu/libusb-win32-device-bin-0.1.12.1/lib/gcc

prefix=/home/lassauge/MyDocuments/Qemu-0.9.1-windows

bindir=${prefix}

mandir=${prefix}

datadir=${prefix}

docdir=${prefix}

MAKE=make

INSTALL=install

CC=gcc

HOST_CC=gcc

AR=ar

STRIP=strip -s -R .comment -R .note

OS_CFLAGS=-mno-cygwin

OS_LDFLAGS=-mno-cygwin

VL_OS_LDFLAGS=-mno-cygwin

ARCH_CFLAGS=

ARCH_LDFLAGS=

CFLAGS= -O4 –march=i686 -I/home/lassauge/MyDocuments/Qemu/libusb-win32-device-bin-0.1.12.1/include -Wall ~~-O2 -g~~ -fno-strict-aliasing

LDFLAGS=-L/home/lassauge/MyDocuments/Qemu/libusb-win32-device-bin-0.1.12.1/lib/gcc -g

EXESUF=.exe

AIOLIBS=

ARCH=i386

CONFIG_WIN32=yes

CONFIG_GDBSTUB=yes

CONFIG_SLIRP=yes

CONFIG_DSOUND=yes

CONFIG_FMOD=yes

CONFIG_FMOD_LIB=/home/lassauge/MyDocuments/Qemu/fmodapi375win/api/lib/libfmod.a

CONFIG_FMOD_INC=/home/lassauge/MyDocuments/Qemu/fmodapi375win/api/inc

VERSION=0.9.1

SRC_PATH=/home/lassauge/MyDocuments/Qemu/qemu-0.9.1

TARGET_DIRS=i386-softmmu

CONFIG_SDL=yes

SDL_LIBS=-L/usr/lib/mingw -lmingw32 -lSDLmain -lSDL -mno-cygwin -mwindows

SDL_CFLAGS=-I/usr/include/mingw/SDL -I/usr/include/mingw -mno-cygwin -Dmain=SDL_main

TOOLS=qemu-img$(EXESUF)

HOST_USB=libusb

LIBUSB_LIBS=-lusb

- One important erroneous compilation warning: printf formats for int64 objects from mingw include file are not recognized by the compiler (bug?) but it works as expected. You can verify with the following file compiled on cygwin with and without -mno-cygwin:

#include <stdio.h>

#include <basetsd.h>/* required typedef __int64 for gcc */

typedef char TCHAR;

#define TEXT(x) x

unsigned __int64 atou64(const TCHAR *s) ;

int main()

{

unsigned __int64 value;

TCHAR *test = "1234567890123456789";

printf("in main(): test = <%s>\n", test);

printf("sizeof(__int64) = %d\n", sizeof(__int64));

value = atou64(test);

printf("value using I64d: %I64d\n", value); /* for Borland BCC or Microsoft VC++ */

printf("value using Ld: %Ld\n", value); /* for Borland BCC */

printf("value using lld: %lld\n", value); /* for gcc */

printf("value using I64x: %016I64x(hex)\n", value);/* for Borland BCC or Microsoft VC++ */

printf("value using Lx: %016Lx(hex)\n", value);/* for Borland BCC */

printf("value using llx: %016llx(hex)\n", value); /* for gcc */

return 0;

}

unsigned __int64 atou64(const TCHAR *s)

{

const unsigned __int64 max64 = (unsigned __int64)0-1;

unsigned __int64 v = 0;

int digit;

while (*s>=TEXT('0') && *s<=TEXT('9'))

{

digit = *s++ - TEXT('0');

if (v > (max64-digit)/10)

return 0; /* overflow */

v = 10*v + digit;

}

return v;

}

- Make (BTW arm-softmmu does not build, and option –march=i686 has to be removed for each compilation of helper.c or op_helper.c)

- Install: don’t forget to add fmod.dll, SDL.dll, mgwz.dll and libusb0.dll

- Bugs:
Pathnames in the options when starting Qemu are not recognized completely: each ‘\’ has to be prefixed by ‘\’.
Wheel mouse buttons are not recognized when SDL_VIDEODRIVER=directx

This program is provided as is and without any warranty.