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|
#!/bin/bash
prefix=/usr/local
kerneldir=/lib/modules/$(uname -r)/build
cc=gcc
ld=ld
objcopy=objcopy
ar=ar
want_module=1
qemu_cflags=
qemu_ldflags=
kvm_trace=
qemu_opts=()
cross_prefix=
arch=`uname -m`
target_exec=
# don't use uname if kerneldir is set
no_uname=
if [ -z "TMPDIR" ] ; then
TMPDIR=.
fi
if [ ! -e kernel/Makefile ]; then
want_module=
fi
usage() {
cat <<-EOF
Usage: $0 [options]
Options include:
--arch=ARCH architecture to compile for ($arch)
--cross-prefix=PREFIX prefix for cross compile
--prefix=PREFIX where to install things ($prefix)
--with-patched-kernel don't use external module
--with-kvm-trace Enable kvm_trace
--kerneldir=DIR kernel build directory ($kerneldir)
--qemu-cflags=CFLAGS CFLAGS to add to qemu configuration
--qemu-ldflags=LDFLAGS LDFLAGS to add to qemu configuration
Any additional option is given to qemu's configure verbatim; including:
EOF
cd qemu
./configure --help | egrep "enable-|disable-" \
| grep -v user | grep -v system | grep -v kqemu | grep -v kvm \
| sed -e "s/^ / /g" \
| sed -e"s/ enable/enable/g" | sed -e "s/ disable/disable/g"
exit 1
}
while [[ "$1" = -* ]]; do
opt="$1"; shift
arg=
hasarg=
if [[ "$opt" = *=* ]]; then
arg="${opt#*=}"
opt="${opt%%=*}"
hasarg=1
fi
case "$opt" in
--prefix)
prefix="$arg"
;;
--kerneldir)
kerneldir="$arg"
no_uname=1
;;
--with-patched-kernel)
want_module=
;;
--with-kvm-trace)
kvm_trace=y
;;
--qemu-cflags)
qemu_cflags="$arg"
;;
--qemu-ldflags)
qemu_ldflags="$arg"
;;
--arch)
arch="$arg"
;;
--cross-prefix)
cross_prefix="$arg"
;;
--help)
usage
;;
*)
qemu_opts=("${qemu_opts[@]}" "$opt${hasarg:+=$arg}")
;;
esac
done
#set kenel directory
libkvm_kerneldir=$(readlink -f kernel)
case $arch in
i?86*|x86_64*)
arch=${arch/#i?86/i386}
target_exec="x86_64-softmmu"
qemu_cflags="$qemu_cflags -DCONFIG_X86"
;;
ia64*)
target_exec="ia64-softmmu"
;;
powerpc*)
target_exec="ppcemb-softmmu"
qemu_cflags="$qemu_cflags -I $PWD/libfdt"
qemu_ldflags="$qemu_ldflags -L $PWD/libfdt"
;;
esac
processor=${arch#*-}
arch=${arch%%-*}
#configure kernel module
[ -e kernel/Makefile ] && (cd kernel;
./configure \
--kerneldir="$kerneldir" \
--arch="$arch" \
$([ -z ${want_module} ] && echo "--with-patched-kernel") \
${cross_prefix:+"--cross-prefix=$cross_prefix"} \
${kvm_trace:+"--with-kvm-trace"}
)
#configure user dir
(cd user; ./configure --prefix="$prefix" --kerneldir="$libkvm_kerneldir" \
--arch="$arch" --processor="$processor" \
${cross_prefix:+"--cross-prefix=$cross_prefix"})
#configure qemu
(cd qemu; ./configure --target-list=$target_exec \
--disable-kqemu \
--extra-cflags="-I $PWD/../libkvm $qemu_cflags" \
--extra-ldflags="-L $PWD/../libkvm $qemu_ldflags" \
--kerneldir="$libkvm_kerneldir" \
--prefix="$prefix" \
${cross_prefix:+"--cross-prefix=$cross_prefix"} \
${cross_prefix:+"--cpu=$arch"} "${qemu_opts[@]}"
) || usage
cat <<EOF > config.mak
ARCH=$arch
PROCESSOR=$processor
PREFIX=$prefix
KERNELDIR=$kerneldir
KERNELSOURCEDIR=$kernelsourcedir
LIBKVM_KERNELDIR=$libkvm_kerneldir
WANT_MODULE=$want_module
CROSS_COMPILE=$cross_prefix
CC=$cross_prefix$cc
LD=$cross_prefix$ld
OBJCOPY=$cross_prefix$objcopy
AR=$cross_prefix$ar
EOF
|
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