[Xen-devel] [PATCH v2 6/6] raisin: build linux

[Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>]

Add a component, disabled by default, to build a linux kernel with the
Xen kconfig options enabled.

Signed-off-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
Acked-by: George Dunlap <george.dunlap@xxxxxxxxxxxxx>
---
 components/linux  |  120 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 components/series |    1 +
 defconfig         |    4 +-
 3 files changed, 124 insertions(+), 1 deletion(-)
 create mode 100644 components/linux

diff --git a/components/linux b/components/linux
new file mode 100644
index 0000000..f90a894
--- /dev/null
+++ b/components/linux
@@ -0,0 +1,120 @@
+#!/usr/bin/env bash
+
+function linux_check_package() {
+    local DEP_Debian_common="build-essential bc openssl"
+    local DEP_Debian_x86_32="$DEP_Debian_common"
+    local DEP_Debian_x86_64="$DEP_Debian_common"
+    local DEP_Debian_arm32="$DEP_Debian_common"
+    local DEP_Debian_arm64="$DEP_Debian_common"
+
+    local DEP_Fedora_common="make gcc bc openssl"
+    local DEP_Fedora_x86_32="$DEP_Fedora_common"
+    local DEP_Fedora_x86_64="$DEP_Fedora_common"
+
+    local DEP_CentOS_common="$DEP_Fedora_common"
+    local DEP_CentOS_x86_32="$DEP_Fedora_x86_32"
+    local DEP_CentOS_x86_64="$DEP_Fedora_x86_64"
+
+    echo Checking Linux dependencies
+    eval check-package \$DEP_"$DISTRO"_"$RAISIN_ARCH"
+}
+
+function _xenify_config() {
+    echo "CONFIG_HYPERVISOR_GUEST=y" >> $1
+    echo "CONFIG_PARAVIRT=y" >> $1
+    echo "CONFIG_PARAVIRT_SPINLOCKS=y" >> $1
+    echo "CONFIG_XEN=y" >> $1
+    echo "CONFIG_XEN_DOM0=y" >> $1
+    echo "CONFIG_XEN_PVHVM=y" >> $1
+    echo "CONFIG_XEN_SAVE_RESTORE=y" >> $1
+    echo "CONFIG_XEN_DEBUG_FS=y" >> $1
+    echo "CONFIG_XEN_PVH=y" >> $1
+    echo "CONFIG_PARAVIRT_CLOCK=y" >> $1
+    echo "CONFIG_BALLOON_COMPACTION=y" >> $1
+    echo "CONFIG_XEN_PCIDEV_FRONTEND=y" >> $1
+    echo "CONFIG_XEN_BLKDEV_FRONTEND=y" >> $1
+    echo "CONFIG_XEN_BLKDEV_BACKEND=y" >> $1
+    echo "CONFIG_XEN_SCSI_FRONTEND=y" >> $1
+    echo "CONFIG_XEN_NETDEV_FRONTEND=y" >> $1
+    echo "CONFIG_XEN_NETDEV_BACKEND=y" >> $1
+    echo "CONFIG_INPUT_XEN_KBDDEV_FRONTEND=y" >> $1
+    echo "CONFIG_XEN_FBDEV_FRONTEND=y" >> $1
+    echo "CONFIG_HVC_XEN=y" >> $1
+    echo "CONFIG_HVC_XEN_FRONTEND=y" >> $1
+    echo "CONFIG_XEN_BALLOON=y" >> $1
+    echo "CONFIG_XEN_SCRUB_PAGES=y" >> $1
+    echo "CONFIG_XEN_DEV_EVTCHN=y" >> $1
+    echo "CONFIG_XEN_BACKEND=y" >> $1
+    echo "CONFIG_XENFS=y" >> $1
+    echo "CONFIG_XEN_COMPAT_XENFS=y" >> $1
+    echo "CONFIG_XEN_SYS_HYPERVISOR=y" >> $1
+    echo "CONFIG_XEN_XENBUS_FRONTEND=y" >> $1
+    echo "CONFIG_XEN_GNTDEV=y" >> $1
+    echo "CONFIG_XEN_GRANT_DEV_ALLOC=y" >> $1
+    echo "CONFIG_SWIOTLB_XEN=y" >> $1
+    echo "CONFIG_XEN_PCIDEV_BACKEND=y" >> $1
+    echo "CONFIG_XEN_PRIVCMD=y" >> $1
+    echo "CONFIG_XEN_HAVE_PVMMU=y" >> $1
+    echo "CONFIG_XEN_ACPI_PROCESSOR=y" >> $1
+    echo "CONFIG_XEN_EFI=y" >> $1
+    echo "CONFIG_XEN_AUTO_XLATE=y" >> $1
+    echo "CONFIG_BRIDGE=y" >> $1
+}
+
+function linux_build() {
+    local vmlinuz
+
+    cd "$BASEDIR"
+    git-checkout $LINUX_URL $LINUX_REVISION linux-dir
+    cd linux-dir
+
+    if [[ ! -e .config ]]
+    then
+        if [[ -e /boot/config-`uname -r` ]]
+        then
+            cp /boot/config-`uname -r` .config
+        else
+            $RAISIN_MAKE defconfig
+        fi
+        _xenify_config .config
+        $RAISIN_MAKE olddefconfig
+    fi
+
+    $RAISIN_MAKE
+    $RAISIN_MAKE modules_install INSTALL_MOD_PATH="$INST_DIR"
+
+    mkdir -p "$INST_DIR"/boot/xen
+    vmlinuz="$INST_DIR"/boot/xen/vmlinuz-$RAISIN_ARCH-$LINUX_REVISION-`date 
+"%Y%m%d.%H%M%S"`
+
+    if [[ $RAISIN_ARCH = "x86_64" || $RAISIN_ARCH = "x86_32" ]]
+    then
+        cp arch/x86/boot/bzImage "$vmlinuz"
+    elif [[ $RAISIN_ARCH = "arm32" ]]
+    then
+        cp arch/arm/boot/zImage "$vmlinuz"
+    elif [[ $RAISIN_ARCH = "arm64" ]]
+    then
+        cp arch/x86/boot/Image.gz "$vmlinuz"
+    fi
+
+    cd ..
+}
+
+function linux_clean() {
+    cd "$BASEDIR"
+    if [[ -d linux-dir ]]
+    then
+        cd linux-dir
+        $RAISIN_MAKE distclean
+        cd ..
+        rm -rf linux-dir
+    fi
+}
+
+function linux_configure() {
+    :
+}
+
+function linux_unconfigure() {
+    :
+}
diff --git a/components/series b/components/series
index fe9092a..928e78e 100644
--- a/components/series
+++ b/components/series
@@ -5,3 +5,4 @@ qemu
 qemu_traditional
 grub
 libvirt
+linux
diff --git a/defconfig b/defconfig
index 7d2a3f7..b4ed94d 100644
--- a/defconfig
+++ b/defconfig
@@ -1,7 +1,7 @@
 # Config variables for raisin
 
 # Components
-## All components: seabios ovmf xen qemu qemu_traditional grub libvirt
+## All components: seabios ovmf xen qemu qemu_traditional grub libvirt linux
 ## Core xen functionality: xen
 ## Remove a component from the list below, if you want to disable it
 ## You can manually overwrite this list using the COMPONENTS
@@ -28,6 +28,7 @@ SEABIOS_URL="git://xenbits.xen.org/seabios.git"
 GRUB_URL="git://git.savannah.gnu.org/grub.git"
 LIBVIRT_URL="git://libvirt.org/libvirt.git"
 OVMF_URL="git://xenbits.xen.org/ovmf.git"
+LINUX_URL="git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git"
 
 # Software versions.
 XEN_REVISION="master"
@@ -37,3 +38,4 @@ SEABIOS_REVISION="master"
 GRUB_REVISION="master"
 LIBVIRT_REVISION="master"
 OVMF_REVISION="master"
+LINUX_REVISION="master"
-- 
1.7.10.4


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