From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?ISO-8859-1?Q?Stefan_Fr=F6berg?= Date: Tue, 22 Jan 2013 01:38:25 +0200 Subject: [Buildroot] [PATCH 3/3] initramfs: add support for LZO and XZ compression methods In-Reply-To: <1358808943-17063-3-git-send-email-gustavo@zacarias.com.ar> References: <1358808943-17063-1-git-send-email-gustavo@zacarias.com.ar> <1358808943-17063-3-git-send-email-gustavo@zacarias.com.ar> Message-ID: <50FDD171.60804@petroprogram.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: buildroot@busybox.net Hi Gustavo 22.1.2013 0:55, Gustavo Zacarias kirjoitti: > Signed-off-by: Gustavo Zacarias > --- > fs/common.mk | 8 +++++++- > fs/cpio/Config.in | 18 ++++++++++++++---- > 2 files changed, 21 insertions(+), 5 deletions(-) > > diff --git a/fs/common.mk b/fs/common.mk > index 8b5b2f2..0c171fc 100644 > --- a/fs/common.mk > +++ b/fs/common.mk > @@ -39,7 +39,7 @@ ROOTFS_DEVICE_TABLES = $(call qstrip,$(BR2_ROOTFS_DEVICE_TABLE)) \ > define ROOTFS_TARGET_INTERNAL > > # extra deps > -ROOTFS_$(2)_DEPENDENCIES += host-fakeroot host-makedevs $$(if $$(BR2_TARGET_ROOTFS_$(2)_LZMA),host-lzma) > +ROOTFS_$(2)_DEPENDENCIES += host-fakeroot host-makedevs $$(if $$(BR2_TARGET_ROOTFS_$(2)_LZMA),host-lzma) $$(if $$(BR2_TARGET_ROOTFS_$(2)_LZO),host-lzop) $$(if $$(BR2_TARGET_ROOTFS_$(2)_XZ),host-xz) > > $$(BINARIES_DIR)/rootfs.$(1): $$(ROOTFS_$(2)_DEPENDENCIES) > @$$(call MESSAGE,"Generating root filesystem image rootfs.$(1)") > @@ -70,6 +70,12 @@ endif > ifeq ($$(BR2_TARGET_ROOTFS_$(2)_LZMA),y) > $$(LZMA) -9 -c $$@ > $$@.lzma > endif > +ifeq ($$(BR2_TARGET_ROOTFS_$(2)_LZO),y) > + $$(LZOP) -9 -c $$@ > $$@.lzo > +endif > +ifeq ($$(BR2_TARGET_ROOTFS_$(2)_XZ),y) > + $$(XZ) -9 -c $$@ > $$@.xz > +endif You will probably need --check=crc32 with that xz-compression. I have had difficulties booting linux 3.3.1 kernel (don't know about later versions) with xz-compressed initramfs without that option. Regards Stefan